From ea1947ffcc606d757357398b24e74a3f4ecefa07 Mon Sep 17 00:00:00 2001 From: neonloop Date: Wed, 20 Oct 2021 14:54:27 +0000 Subject: Initial commit from steward-fu release --- modules/libblit/Makefile | 626 ++++++++ modules/libblit/Makefile.am | 14 + modules/libblit/Makefile.in | 626 ++++++++ modules/libblit/g_blit.c | 2959 +++++++++++++++++++++++++++++++++++++ modules/libblit/g_blit.h | 62 + modules/libblit/g_pixel.c | 271 ++++ modules/libblit/g_pixel.h | 67 + modules/libblit/libblit.c | 37 + modules/libblit/libblit.h | 37 + modules/libblit/libblit_exports.h | 61 + 10 files changed, 4760 insertions(+) create mode 100644 modules/libblit/Makefile create mode 100644 modules/libblit/Makefile.am create mode 100644 modules/libblit/Makefile.in create mode 100644 modules/libblit/g_blit.c create mode 100644 modules/libblit/g_blit.h create mode 100644 modules/libblit/g_pixel.c create mode 100644 modules/libblit/g_pixel.h create mode 100644 modules/libblit/libblit.c create mode 100644 modules/libblit/libblit.h create mode 100644 modules/libblit/libblit_exports.h (limited to 'modules/libblit') diff --git a/modules/libblit/Makefile b/modules/libblit/Makefile new file mode 100644 index 0000000..cfc55f5 --- /dev/null +++ b/modules/libblit/Makefile @@ -0,0 +1,626 @@ +# Makefile.in generated by automake 1.12.1 from Makefile.am. +# libblit/Makefile. 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In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * + * 3. This notice may not be removed or altered from any source + * distribution. + * + */ + +/* --------------------------------------------------------------------------- */ + +#include +#include +#include +#include + +/*#include +typedef long int fixed ; +#define FIXED_PREC 10000 +#define fixtof(a) (( ( float ) a ) / FIXED_PREC ) +#define fcos(a) (cos(a* M_PI / 180000.0)*FIXED_PREC) +#define fsin(a) (sin(a* M_PI / 180000.0)*FIXED_PREC) +#ifndef M_PI +#define M_PI 3.14159265358979323846 +#endif +*/ +#include "libblit.h" + +/* --------------------------------------------------------------------------- */ + +/* Define some constants and structs used by the blitter */ + +typedef struct +{ + int x, y; +} +_POINT; + +typedef struct +{ + float x, y; +} +_POINTF; + +typedef struct +{ + int x; + int y; + float s; + float t; +} +VERTEX; + +/* --------------------------------------------------------------------------- */ + +typedef _POINTF VECTOR; + +typedef void ( DRAW_SPAN )( GRAPH *, GRAPH *, int, int, int, int, int, int, int ); +typedef void ( DRAW_HSPAN )( void *, void *, int, int, int, int, int ); +typedef int ( BLEND_FUNC )( int, int ); + +/* --------------------------------------------------------------------------- */ + +/* Conversion tables used by transparency /blending + * + * In 16 bits, this two lookup tables will be used as: + * + * Dest_color = ghost1[screen_color] + ghost2[graphic_color] + * + * In transparency mode, both tables are the assigned to the ghostcolor global table + * (a table that reduces all color components to half) + */ + +uint16_t * ghost1; +uint16_t * ghost2; +uint8_t * ghost8; + +uint32_t * pcolorequiv = NULL ; + +uint32_t _factor ; +uint32_t _factor2 ; + +/* --------------------------------------------------------------------------- */ + +/* Calculates additive blend value */ + +static BLEND_FUNC * blend_func; + +/* --------------------------------------------------------------------------- */ + +static int substractive_blend8( int A, int B ) +{ + int32_t r, g, b, r2, g2, b2; + + gr_get_rgb( B, &r, &g, &b ); + gr_get_rgb( A, &r2, &g2, &b2 ); + + r += ( r2 - 256 ); if ( r < 0 ) r = 0; + g += ( g2 - 256 ); if ( g < 0 ) g = 0; + b += ( b2 - 256 ); if ( b < 0 ) b = 0; + + return gr_find_nearest_color( r, g, b ); +} + +static int substractive_blend16( int A, int B ) +{ + int32_t r, g, b; + + r = ( B & 0x0000F800 ) + (( A & 0x0000F800 ) - 0x00010000 ); + g = ( B & 0x000007e0 ) + (( A & 0x000007e0 ) - 0x00000800 ); + b = ( B & 0x0000001f ) + (( A & 0x0000001f ) - 0x00000020 ); + + if ( r & 0xFFFF07FF ) r = 0 ; + if ( g & 0xFFFFF81F ) g = 0 ; + if ( b & 0xFFFFFFE0 ) b = 0 ; + + return ( r | g | b ); +} + +static int substractive_blend32( int A, int B ) +{ + uint32_t r, g, b/*, a*/; + + /* NOTE: ~ and << are expensive */ + + r = ( B & 0x00ff0000 ) + ( A & 0x00ff0000 ) - 0x01000000 ; + g = ( B & 0x0000ff00 ) + ( A & 0x0000ff00 ) - 0x00010000 ; + b = ( B & 0x000000ff ) + ( A & 0x000000ff ) - 0x00000100 ; +// a = ( B & 0xff000000 ) + ( A & 0xff000000 ) - 0x00000001 ; + + if ( r & 0xFF00FFFF ) r = 0 ; + if ( g & 0xFFFF00FF ) g = 0 ; + if ( b & 0xFFFFFF00 ) b = 0 ; +// if ( a & 0x00FFFFFF ) a = 0 ; + + return ( r | g | b /*| a*/ ); +} + +static int additive_blend8( int A, int B ) +{ + int32_t r, g, b, r2, g2, b2; + + gr_get_rgb( B, &r, &g, &b ); + gr_get_rgb( A, &r2, &g2, &b2 ); + + r += r2; if ( r > 255 ) r = 255; + g += g2; if ( g > 255 ) g = 255; + b += b2; if ( b > 255 ) b = 255; + + return gr_find_nearest_color( r, g, b ); +} + +static int additive_blend16( int A, int B ) +{ + int32_t r, g, b; + + r = ( B & 0x0000F800 ) + ( A & 0x0000F800 ) ; + g = ( B & 0x000007e0 ) + ( A & 0x000007e0 ) ; + b = ( B & 0x0000001f ) + ( A & 0x0000001f ) ; + + if ( r & 0xFFFF07FF ) r = 0x0000F800 ; + if ( g & 0xFFFFF81F ) g = 0x000007e0 ; + if ( b & 0xFFFFFFE0 ) b = 0x0000001f ; + + return ( r | g | b ); +} + +static int additive_blend32( int A, int B ) +{ + uint32_t r, g, b/*, a*/; + + r = ( B & 0x00ff0000 ) + ( A & 0x00ff0000 ) ; + g = ( B & 0x0000ff00 ) + ( A & 0x0000ff00 ) ; + b = ( B & 0x000000ff ) + ( A & 0x000000ff ) ; +// a = ( B & 0xff000000 ) + ( A & 0xff000000 ) ; + + if ( r & 0xFF00FFFF ) r = 0x00ff0000 ; + if ( g & 0xFFFF00FF ) g = 0x0000ff00 ; + if ( b & 0xFFFFFF00 ) b = 0x000000ff ; +// if ( a & 0x00FFFFFF ) b = 0xFF000000 ; + + return ( r | g | b /*| a*/ ); +} + +/* --------------------------------------------------------------------------- */ + +/* Routine to sort vertexes in y, x order */ +static int compare_vertex_y( const VERTEX * a, const VERTEX * b ) +{ + return ( a->y == b->y ) ? a->x - b->x : a->y - b->y; +} + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : gr_draw_span_XXX + * + * Draw a textures span line into a bitmap. Those functions + * represent the inner loop of the blitter. + * + * This file includes unoptimized C versions of those functions + * + * There is one version of this function for each bit depth + * and blend effect configuration + * + * PARAMS : + * dest Destination bitmap or NULL for screen + * orig Pointer to the graphic object to draw + * x, y Pixel coordinates of the destination leftmost point + * pixels Number of pixels to draw + * s, t Texture coordinates of the leftmost point + * s2, t2 Texture coordinates of the rightmost point + * + * RETURN VALUE : + * None + * + */ +/* --------------------------------------------------------------------------- */ + +/* +static void draw_span_1to1(GRAPH * dest, GRAPH * orig, int x, int y, int pixels, int s, int t, int incs, int inct) +{ + uint8_t *ptr = (uint8_t *)dest->data + dest->pitch * y + x/8 ; + int cs = s, ct = t, i; + + for (i = 0 ; i < pixels ; i++) + { + uint8_t * tex = (uint8_t *)orig->data + orig->pitch *(ct >> 16)/8 + (cs >> 16)/8; + uint8_t mask = (0x80 >> ((cs >> 16)/8 & 7)); + + *ptr |= (*tex & mask); + + if (ct%8==7) ptr++; + + cs += incs, ct += inct; + } +} + +static void draw_span_1to1_nocolorkey(GRAPH * dest, GRAPH * orig, int x, int y, int pixels, int s, int t, int incs, int inct) +{ + uint8_t *ptr = (uint8_t *)dest->data + dest->pitch * y + x/8 ; + int cs = s, ct = t, i; + + for (i = 0 ; i < pixels ; i++) + { + uint8_t * tex = (uint8_t *)orig->data + orig->pitch *(ct >> 16)/8 + (cs >> 16)/8; + uint8_t mask = (0x80 >> ((cs >> 16)/8 & 7)); + + *ptr &= ~mask; + *ptr |= (*tex & mask); + + if (ct%8==7) ptr++; + + cs += incs, ct += inct; + } +} +*/ + +/* --------------------------------------------------------------------------- */ +/* 1 to 8 */ +/* --------------------------------------------------------------------------- */ + +static void draw_span_1to8( GRAPH * dest, GRAPH * orig, int x, int y, int pixels, int s, int t, int incs, int inct ) +{ + uint8_t *ptr = ( uint8_t * ) dest->data + dest->pitch * y + x ; + int cs = s, ct = t; + + while ( pixels-- ) + { + uint8_t * tex = ( uint8_t * ) orig->data + orig->pitch * ( ct >> 16 ) + ( cs >> 16 ) / 8; + uint8_t mask = ( 0x80 >> (( cs >> 16 ) & 7 ) ); + if ( *tex & mask ) *ptr++ = pixel_color8; + else ptr++; + cs += incs, ct += inct; + } +} + +/* --------------------------------------------------------------------------- */ +/* 8 to 8 */ +/* --------------------------------------------------------------------------- */ + +static void draw_span_8to8_nocolorkey( GRAPH * dest, GRAPH * orig, int x, int y, int pixels, int s, int t, int incs, int inct ) +{ + uint8_t *ptr = ( uint8_t * ) dest->data + dest->pitch * y + x; + int cs = s, ct = t; + + while ( pixels-- ) + { + uint8_t * tex = ( uint8_t * ) orig->data + orig->pitch * ( ct >> 16 ) + ( cs >> 16 ); + *ptr++ = *tex; + cs += incs, ct += inct; + } +} + +static void draw_span_8to8_translucent( GRAPH * dest, GRAPH * orig, int x, int y, int pixels, int s, int t, int incs, int inct ) +{ + uint8_t *ptr = ( uint8_t * ) dest->data + dest->pitch * y + x; + int cs = s, ct = t; + + while ( pixels-- ) + { + uint8_t * tex = ( uint8_t * ) orig->data + orig->pitch * ( ct >> 16 ) + ( cs >> 16 ); + if ( *tex ) *ptr = ghost8[( *tex << 8 ) + *ptr]; + ptr++; + cs += incs, ct += inct; + } +} + +static void draw_span_8to8( GRAPH * dest, GRAPH * orig, int x, int y, int pixels, int s, int t, int incs, int inct ) +{ + uint8_t *ptr = ( uint8_t * ) dest->data + dest->pitch * y + x; + int cs = s, ct = t; + + while ( pixels-- ) + { + uint8_t * tex = ( uint8_t * ) orig->data + orig->pitch * ( ct >> 16 ) + ( cs >> 16 ); + if ( *tex ) *ptr = *tex; + ptr++; + cs += incs, ct += inct; + } +} + +static void draw_span_8to8_ablend( GRAPH * dest, GRAPH * orig, int x, int y, int pixels, int s, int t, int incs, int inct ) +{ + uint8_t *ptr = ( uint8_t * ) dest->data + dest->pitch * y + x; + int cs = s, ct = t; + + while ( pixels-- ) + { + uint8_t * tex = ( uint8_t * ) orig->data + orig->pitch * ( ct >> 16 ) + ( cs >> 16 ); + + if ( *tex ) *ptr = ( uint8_t ) blend_func( *tex, *ptr ); + ptr++; + cs += incs, ct += inct; + } +} + +static void draw_span_8to8_tablend( GRAPH * dest, GRAPH * orig, int x, int y, int pixels, int s, int t, int incs, int inct ) +{ + uint8_t *ptr = ( uint8_t * ) dest->data + dest->pitch * y + x; + int cs = s, ct = t; + + while ( pixels-- ) + { + uint8_t * tex = ( uint8_t * ) orig->data + orig->pitch * ( ct >> 16 ) + ( cs >> 16 ); + if ( *tex ) *ptr = ( uint8_t ) ghost8[(blend_func( *tex, *ptr ) << 8 )+ *ptr ]; + ptr++; + cs += incs, ct += inct; + } +} + +/* --------------------------------------------------------------------------- */ +/* 1 to 16 */ +/* --------------------------------------------------------------------------- */ + +static void draw_span_1to16( GRAPH * dest, GRAPH * orig, int x, int y, int pixels, int s, int t, int incs, int inct ) +{ + uint16_t *ptr = ( uint16_t * ) dest->data + ( dest->pitch * y >> 1 ) + x ; + int cs = s, ct = t; + + while ( pixels-- ) + { + uint8_t * tex = ( uint8_t * ) orig->data + orig->pitch * ( ct >> 16 ) + ( cs >> 16 ) / 8; + uint8_t mask = ( 0x80 >> (( cs >> 16 ) & 7 ) ); + if ( *tex & mask ) *ptr++ = pixel_color16; + else ptr++; + cs += incs, ct += inct; + } +} + +/* --------------------------------------------------------------------------- */ +/* 8 to 16 */ +/* --------------------------------------------------------------------------- */ + +static void draw_span_8to16( GRAPH * dest, GRAPH * orig, int x, int y, int pixels, int s, int t, int incs, int inct ) +{ + uint16_t *ptr = ( uint16_t * ) dest->data + ( dest->pitch * y >> 1 ) + x; + int cs = s, ct = t; + + while ( pixels-- ) + { + uint8_t * tex = ( uint8_t * ) orig->data + orig->pitch * ( ct >> 16 ) + ( cs >> 16 ); + if ( *tex ) *ptr = pcolorequiv[*tex]; + ptr++; + cs += incs, ct += inct; + } +} + +static void draw_span_8to16_ablend( GRAPH * dest, GRAPH * orig, int x, int y, int pixels, int s, int t, int incs, int inct ) +{ + uint16_t *ptr = ( uint16_t * ) dest->data + ( dest->pitch * y >> 1 ) + x; + int cs = s, ct = t; + + while ( pixels-- ) + { + uint8_t * tex = ( uint8_t * ) orig->data + orig->pitch * ( ct >> 16 ) + ( cs >> 16 ); + if ( *tex ) *ptr = blend_func( pcolorequiv[*tex], *ptr ); + ptr++; + cs += incs, ct += inct; + } +} + +static void draw_span_8to16_tablend( GRAPH * dest, GRAPH * orig, int x, int y, int pixels, int s, int t, int incs, int inct ) +{ + uint16_t *ptr = ( uint16_t * ) dest->data + ( dest->pitch * y >> 1 ) + x; + int cs = s, ct = t; + + while ( pixels-- ) + { + uint8_t * tex = ( uint8_t * ) orig->data + orig->pitch * ( ct >> 16 ) + ( cs >> 16 ); + if ( *tex ) *ptr = ( uint16_t )( ghost1[blend_func( pcolorequiv[*tex], *ptr )] + ghost2[*ptr] ); + ptr++; + cs += incs, ct += inct; + } +} + +static void draw_span_8to16_translucent( GRAPH * dest, GRAPH * orig, int x, int y, int pixels, int s, int t, int incs, int inct ) +{ + uint16_t *ptr = ( uint16_t * ) dest->data + ( dest->pitch * y >> 1 ) + x; + int cs = s, ct = t; + + while ( pixels-- ) + { + uint8_t * tex = ( uint8_t * ) orig->data + orig->pitch * ( ct >> 16 ) + ( cs >> 16 ); + if ( *tex ) *ptr = ghost1[pcolorequiv[*tex]] + ghost2[*ptr]; + ptr++; + cs += incs, ct += inct; + } +} + +static void draw_span_8to16_nocolorkey( GRAPH * dest, GRAPH * orig, int x, int y, int pixels, int s, int t, int incs, int inct ) +{ + uint16_t *ptr = ( uint16_t * ) dest->data + ( dest->pitch * y >> 1 ) + x; + int cs = s, ct = t; + + while ( pixels-- ) + { + uint8_t * tex = ( uint8_t * ) orig->data + orig->pitch * ( ct >> 16 ) + ( cs >> 16 ); + *ptr++ = pcolorequiv[*tex]; + cs += incs, ct += inct; + } +} + +/* --------------------------------------------------------------------------- */ +/* 8 to 32 */ +/* --------------------------------------------------------------------------- */ + +static void draw_span_8to32( GRAPH * dest, GRAPH * orig, int x, int y, int pixels, int s, int t, int incs, int inct ) +{ + uint32_t *ptr = ( uint32_t * ) dest->data + ( dest->pitch * y >> 2 ) + x; + int cs = s, ct = t; + + while ( pixels-- ) + { + uint8_t * tex = ( uint8_t * ) orig->data + orig->pitch * ( ct >> 16 ) + ( cs >> 16 ); + if ( *tex ) *ptr = ( *ptr & 0xff000000 ) | pcolorequiv[*tex]; + ptr++; + cs += incs, ct += inct; + } +} + +static void draw_span_8to32_ablend( GRAPH * dest, GRAPH * orig, int x, int y, int pixels, int s, int t, int incs, int inct ) +{ + uint32_t *ptr = ( uint32_t * ) dest->data + ( dest->pitch * y >> 2 ) + x; + int cs = s, ct = t; + + while ( pixels-- ) + { + uint8_t * tex = ( uint8_t * ) orig->data + orig->pitch * ( ct >> 16 ) + ( cs >> 16 ); + if ( *tex ) *ptr = ( *ptr & 0xff000000 ) | blend_func( pcolorequiv[*tex], *ptr ); + ptr++; + cs += incs, ct += inct; + } +} + +static void draw_span_8to32_tablend( GRAPH * dest, GRAPH * orig, int x, int y, int pixels, int s, int t, int incs, int inct ) +{ + uint32_t *ptr = ( uint32_t * ) dest->data + ( dest->pitch * y >> 2 ) + x; + int cs = s, ct = t; + uint32_t r, g, b, c; + + while ( pixels-- ) + { + uint8_t * tex = ( uint8_t * ) orig->data + orig->pitch * ( ct >> 16 ) + ( cs >> 16 ); + if ( *tex ) + { + c = blend_func( pcolorequiv[*tex], *ptr ) ; + + r = ((( c & 0x00ff0000 ) * _factor ) + (( *ptr & 0x00ff0000 ) * _factor2 ) ) >> 8 ; + g = ((( c & 0x0000ff00 ) * _factor ) + (( *ptr & 0x0000ff00 ) * _factor2 ) ) >> 8 ; + b = ((( c & 0x000000ff ) * _factor ) + (( *ptr & 0x000000ff ) * _factor2 ) ) >> 8 ; + + if ( r > 0x00ff0000 ) r = 0x00ff0000 ; else r &= 0x00ff0000 ; + if ( g > 0x0000ff00 ) g = 0x0000ff00 ; else g &= 0x0000ff00 ; + if ( b > 0x000000ff ) b = 0x000000ff ; else b &= 0x000000ff ; + + *ptr = ( *ptr & 0xff000000 ) | r | g | b ; + } + + ptr++; + cs += incs, ct += inct; + } +} + +static void draw_span_8to32_translucent( GRAPH * dest, GRAPH * orig, int x, int y, int pixels, int s, int t, int incs, int inct ) +{ + uint32_t *ptr = ( uint32_t * ) dest->data + ( dest->pitch * y >> 2 ) + x; + int cs = s, ct = t; + uint32_t r, g, b, c; + + while ( pixels-- ) + { + uint8_t * tex = ( uint8_t * ) orig->data + orig->pitch * ( ct >> 16 ) + ( cs >> 16 ); + if ( *tex ) + { + c = pcolorequiv[*tex]; + + r = ((( c & 0x00ff0000 ) * _factor ) + (( *ptr & 0x00ff0000 ) * _factor2 ) ) >> 8 ; + g = ((( c & 0x0000ff00 ) * _factor ) + (( *ptr & 0x0000ff00 ) * _factor2 ) ) >> 8 ; + b = ((( c & 0x000000ff ) * _factor ) + (( *ptr & 0x000000ff ) * _factor2 ) ) >> 8 ; + + if ( r > 0x00ff0000 ) r = 0x00ff0000 ; else r &= 0x00ff0000 ; + if ( g > 0x0000ff00 ) g = 0x0000ff00 ; else g &= 0x0000ff00 ; + if ( b > 0x000000ff ) b = 0x000000ff ; else b &= 0x000000ff ; + + *ptr = ( *ptr & 0xff000000 ) | r | g | b ; + } + + ptr++; + cs += incs, ct += inct; + } +} + +static void draw_span_8to32_nocolorkey( GRAPH * dest, GRAPH * orig, int x, int y, int pixels, int s, int t, int incs, int inct ) +{ + uint32_t *ptr = ( uint32_t * ) dest->data + ( dest->pitch * y >> 2 ) + x; + int cs = s, ct = t; + + while ( pixels-- ) + { + uint8_t * tex = ( uint8_t * ) orig->data + orig->pitch * ( ct >> 16 ) + ( cs >> 16 ); + *ptr = ( *ptr & 0xff000000 ) | pcolorequiv[*tex]; + ptr++; + cs += incs, ct += inct; + } +} + +/* --------------------------------------------------------------------------- */ +/* 16 to 16 */ +/* --------------------------------------------------------------------------- */ + +static void draw_span_16to16( GRAPH * dest, GRAPH * orig, int x, int y, int pixels, int s, int t, int incs, int inct ) +{ + uint16_t *ptr = ( uint16_t * ) dest->data + ( dest->pitch * y >> 1 ) + x; + int cs = s, ct = t; + uint16_t * tex ; + + while ( pixels-- ) + { + tex = ( uint16_t * ) orig->data + ( orig->pitch * ( ct >> 16 ) >> 1 ) + ( cs >> 16 ); + if ( *tex ) *ptr = *tex; + ptr++; + cs += incs, ct += inct; + } +} + +static void draw_span_16to16_ablend( GRAPH * dest, GRAPH * orig, int x, int y, int pixels, int s, int t, int incs, int inct ) +{ + uint16_t *ptr = ( uint16_t * ) dest->data + ( dest->pitch * y >> 1 ) + x; + int cs = s, ct = t; + uint16_t * tex ; + + while ( pixels-- ) + { + tex = ( uint16_t * ) orig->data + ( orig->pitch * ( ct >> 16 ) >> 1 ) + ( cs >> 16 ); + if ( *tex ) *ptr = blend_func( *tex, *ptr ); + ptr++; + cs += incs, ct += inct; + } +} + +static void draw_span_16to16_tablend( GRAPH * dest, GRAPH * orig, int x, int y, int pixels, int s, int t, int incs, int inct ) +{ + uint16_t *ptr = ( uint16_t * ) dest->data + ( dest->pitch * y >> 1 ) + x; + int cs = s, ct = t; + uint16_t * tex ; + + while ( pixels-- ) + { + tex = ( uint16_t * ) orig->data + ( orig->pitch * ( ct >> 16 ) >> 1 ) + ( cs >> 16 ); + if ( *tex ) *ptr = ( uint16_t )( ghost1[blend_func( *tex,*ptr )] + ghost2[*ptr] ); + ptr++; + cs += incs, ct += inct; + } +} + +static void draw_span_16to16_translucent( GRAPH * dest, GRAPH * orig, int x, int y, int pixels, int s, int t, int incs, int inct ) +{ + uint16_t *ptr = ( uint16_t * ) dest->data + ( dest->pitch * y >> 1 ) + x; + int cs = s, ct = t; + uint16_t * tex ; + + while ( pixels-- ) + { + tex = ( uint16_t * ) orig->data + ( orig->pitch * ( ct >> 16 ) >> 1 ) + ( cs >> 16 ); + if ( *tex ) *ptr = ghost1[*tex] + ghost2[*ptr]; + ptr++; + cs += incs, ct += inct; + } +} + +static void draw_span_16to16_nocolorkey( GRAPH * dest, GRAPH * orig, int x, int y, int pixels, int s, int t, int incs, int inct ) +{ + uint16_t *ptr = ( uint16_t * ) dest->data + ( dest->pitch * y >> 1 ) + x; + int cs = s, ct = t; + uint16_t * tex ; + + while ( pixels-- ) + { + tex = ( uint16_t * ) orig->data + ( orig->pitch * ( ct >> 16 ) >> 1 ) + ( cs >> 16 ); + *ptr++ = *tex; + cs += incs, ct += inct; + } +} + +/* --------------------------------------------------------------------------- */ +/* 16 to 32 */ +/* --------------------------------------------------------------------------- */ + +static void draw_span_16to32( GRAPH * dest, GRAPH * orig, int x, int y, int pixels, int s, int t, int incs, int inct ) +{ + uint32_t *ptr = ( uint32_t * ) dest->data + ( dest->pitch * y >> 2 ) + x; + int cs = s, ct = t; + uint16_t * tex ; + + while ( pixels-- ) + { + tex = ( uint16_t * ) orig->data + ( orig->pitch * ( ct >> 16 ) >> 1 ) + ( cs >> 16 ); + if ( *tex ) *ptr = ( *ptr & 0xff000000 ) | (( * tex & 0xf800 ) << 8 ) | (( * tex & 0x07e0 ) << 5 ) | (( * tex & 0x001f ) << 3 ) ; + ptr++; + cs += incs, ct += inct; + } +} + +static void draw_span_16to32_ablend( GRAPH * dest, GRAPH * orig, int x, int y, int pixels, int s, int t, int incs, int inct ) +{ + uint32_t *ptr = ( uint32_t * ) dest->data + ( dest->pitch * y >> 2 ) + x; + int cs = s, ct = t; + uint16_t * tex ; + + while ( pixels-- ) + { + tex = ( uint16_t * ) orig->data + ( orig->pitch * ( ct >> 16 ) >> 1 ) + ( cs >> 16 ); + if ( *tex ) *ptr = ( *ptr & 0xff000000 ) | blend_func((( * tex & 0xf800 ) << 8 ) | (( * tex & 0x07e0 ) << 5 ) | (( * tex & 0x001f ) << 3 ), *ptr ); + ptr++; + cs += incs, ct += inct; + } +} + +static void draw_span_16to32_tablend( GRAPH * dest, GRAPH * orig, int x, int y, int pixels, int s, int t, int incs, int inct ) +{ + uint32_t *ptr = ( uint32_t * ) dest->data + ( dest->pitch * y >> 2 ) + x; + int cs = s, ct = t; + uint16_t * tex ; + uint32_t r, g, b, c; + + while ( pixels-- ) + { + tex = ( uint16_t * ) orig->data + ( orig->pitch * ( ct >> 16 ) >> 1 ) + ( cs >> 16 ); + if ( *tex ) + { + c = blend_func((( * tex & 0xf800 ) << 8 ) | (( * tex & 0x07e0 ) << 5 ) | (( * tex & 0x001f ) << 3 ), *ptr ) ; + + r = ((( c & 0x00ff0000 ) * _factor ) + (( *ptr & 0x00ff0000 ) * _factor2 ) ) >> 8 ; + g = ((( c & 0x0000ff00 ) * _factor ) + (( *ptr & 0x0000ff00 ) * _factor2 ) ) >> 8 ; + b = ((( c & 0x000000ff ) * _factor ) + (( *ptr & 0x000000ff ) * _factor2 ) ) >> 8 ; + + if ( r > 0x00ff0000 ) r = 0x00ff0000 ; else r &= 0x00ff0000 ; + if ( g > 0x0000ff00 ) g = 0x0000ff00 ; else g &= 0x0000ff00 ; + if ( b > 0x000000ff ) b = 0x000000ff ; else b &= 0x000000ff ; + + *ptr = ( *ptr & 0xff000000 ) | r | g | b ; + } + + ptr++; + cs += incs, ct += inct; + } +} + +static void draw_span_16to32_translucent( GRAPH * dest, GRAPH * orig, int x, int y, int pixels, int s, int t, int incs, int inct ) +{ + uint32_t *ptr = ( uint32_t * ) dest->data + ( dest->pitch * y >> 2 ) + x; + int cs = s, ct = t; + uint16_t * tex ; + int r, g, b, c; + + while ( pixels-- ) + { + tex = ( uint16_t * ) orig->data + ( orig->pitch * ( ct >> 16 ) >> 1 ) + ( cs >> 16 ); + if ( *tex ) + { + c = (( * tex & 0xf800 ) << 8 ) | (( * tex & 0x07e0 ) << 5 ) | (( * tex & 0x001f ) << 3 ); + + r = ((( c & 0x00ff0000 ) * _factor ) + (( *ptr & 0x00ff0000 ) * _factor2 ) ) >> 8 ; + g = ((( c & 0x0000ff00 ) * _factor ) + (( *ptr & 0x0000ff00 ) * _factor2 ) ) >> 8 ; + b = ((( c & 0x000000ff ) * _factor ) + (( *ptr & 0x000000ff ) * _factor2 ) ) >> 8 ; + + if ( r > 0x00ff0000 ) r = 0x00ff0000 ; else r &= 0x00ff0000 ; + if ( g > 0x0000ff00 ) g = 0x0000ff00 ; else g &= 0x0000ff00 ; + if ( b > 0x000000ff ) b = 0x000000ff ; else b &= 0x000000ff ; + + *ptr = ( *ptr & 0xff000000 ) | r | g | b ; + } + + ptr++; + cs += incs, ct += inct; + } +} + +static void draw_span_16to32_nocolorkey( GRAPH * dest, GRAPH * orig, int x, int y, int pixels, int s, int t, int incs, int inct ) +{ + uint32_t *ptr = ( uint32_t * ) dest->data + ( dest->pitch * y >> 2 ) + x; + int cs = s, ct = t; + uint16_t * tex ; + + while ( pixels-- ) + { + tex = ( uint16_t * ) orig->data + ( orig->pitch * ( ct >> 16 ) >> 1 ) + ( cs >> 16 ); + *ptr = ( *ptr & 0xff000000 ) | (( * tex & 0xf800 ) << 8 ) | (( * tex & 0x07e0 ) << 5 ) | (( * tex & 0x001f ) << 3 ); + ptr++; + cs += incs, ct += inct; + } +} + +/* --------------------------------------------------------------------------- */ +/* 1 to 32 */ +/* --------------------------------------------------------------------------- */ + +static void draw_span_1to32( GRAPH * dest, GRAPH * orig, int x, int y, int pixels, int s, int t, int incs, int inct ) +{ + uint32_t *ptr = ( uint32_t * ) dest->data + ( dest->pitch * y >> 2 ) + x ; + int cs = s, ct = t; + + while ( pixels-- ) + { + uint8_t * tex = ( uint8_t * ) orig->data + orig->pitch * ( ct >> 16 ) + ( cs >> 16 ) / 8; + uint8_t mask = ( 0x80 >> (( cs >> 16 ) & 7 ) ); + if ( *tex & mask ) *ptr = ( *ptr & 0xff000000 ) | pixel_color32; + ptr++; + cs += incs, ct += inct; + } +} + +/* --------------------------------------------------------------------------- */ +/* 32 to 32 */ +/* --------------------------------------------------------------------------- */ + +static void draw_span_32to32( GRAPH * dest, GRAPH * orig, int x, int y, int pixels, int s, int t, int incs, int inct ) +{ + uint32_t *ptr = ( uint32_t * ) dest->data + ( dest->pitch * y >> 2 ) + x; + int cs = s, ct = t; + uint32_t * tex ; + int r, g, b, c; + + while ( pixels-- ) + { + tex = ( uint32_t * ) orig->data + ( orig->pitch * ( ct >> 16 ) >> 2 ) + ( cs >> 16 ); + if ( *tex ) + { + if ( *tex ^ 0xff000000 ) + { + c = *tex; + _factor = ( c & 0xff000000 ) >> 24; + _factor2 = 255 - _factor; + + r = ((( c & 0x00ff0000 ) * _factor ) + (( *ptr & 0x00ff0000 ) * _factor2 ) ) >> 8 ; + g = ((( c & 0x0000ff00 ) * _factor ) + (( *ptr & 0x0000ff00 ) * _factor2 ) ) >> 8 ; + b = ((( c & 0x000000ff ) * _factor ) + (( *ptr & 0x000000ff ) * _factor2 ) ) >> 8 ; + + if ( r > 0x00ff0000 ) r = 0x00ff0000 ; else r &= 0x00ff0000 ; + if ( g > 0x0000ff00 ) g = 0x0000ff00 ; else g &= 0x0000ff00 ; + if ( b > 0x000000ff ) b = 0x000000ff ; else b &= 0x000000ff ; + + *ptr = ( MAX( c & 0xff000000, *ptr & 0xff000000 ) ) | r | g | b ; + } + else if ( *tex ) + *ptr = *tex; + } + ptr++; + cs += incs, ct += inct; + } +} + +static void draw_span_32to32_ablend( GRAPH * dest, GRAPH * orig, int x, int y, int pixels, int s, int t, int incs, int inct ) +{ + uint32_t *ptr = ( uint32_t * ) dest->data + ( dest->pitch * y >> 2 ) + x; + int cs = s, ct = t; + uint32_t * tex ; + uint32_t r, g, b, c; + + while ( pixels-- ) + { + tex = ( uint32_t * ) orig->data + ( orig->pitch * ( ct >> 16 ) >> 2 ) + ( cs >> 16 ); + if ( *tex ) + { + if ( *tex ^ 0xff000000 ) + { + c = blend_func( *tex, *ptr ); + _factor = ( *tex & 0xff000000 ) >> 24; + _factor2 = 255 - _factor; + + r = ((( c & 0x00ff0000 ) * _factor ) + (( *ptr & 0x00ff0000 ) * _factor2 ) ) >> 8 ; + g = ((( c & 0x0000ff00 ) * _factor ) + (( *ptr & 0x0000ff00 ) * _factor2 ) ) >> 8 ; + b = ((( c & 0x000000ff ) * _factor ) + (( *ptr & 0x000000ff ) * _factor2 ) ) >> 8 ; + + if ( r > 0x00ff0000 ) r = 0x00ff0000 ; else r &= 0x00ff0000 ; + if ( g > 0x0000ff00 ) g = 0x0000ff00 ; else g &= 0x0000ff00 ; + if ( b > 0x000000ff ) b = 0x000000ff ; else b &= 0x000000ff ; + + *ptr = ( MAX( c & 0xff000000, *ptr & 0xff000000 ) ) | r | g | b ; + } + else if ( *tex ) + *ptr = ( MAX( *tex & 0xff000000, *ptr & 0xff000000 ) ) | blend_func( *tex, *ptr ); + } + ptr++; + cs += incs, ct += inct; + } +} + +static void draw_span_32to32_tablend( GRAPH * dest, GRAPH * orig, int x, int y, int pixels, int s, int t, int incs, int inct ) +{ + uint32_t *ptr = ( uint32_t * ) dest->data + ( dest->pitch * y >> 2 ) + x; + int cs = s, ct = t; + uint32_t * tex ; + uint32_t r, g, b; + unsigned int c, _f, _f2; + + while ( pixels-- ) + { + tex = ( uint32_t * ) orig->data + ( orig->pitch * ( ct >> 16 ) >> 2 ) + ( cs >> 16 ); + + if ( *tex ) + { + c = blend_func( *tex, *ptr ) ; + _f = (( unsigned int ) * tex ) & 0xff000000; + if ( _f != 0xff000000 ) + { + _f = ( _f >> 24 ) * _factor / 255 ; + _f2 = 255 - _f ; + + r = ((( c & 0x00ff0000 ) * _f ) + (( *ptr & 0x00ff0000 ) * _f2 ) ) >> 8 ; + g = ((( c & 0x0000ff00 ) * _f ) + (( *ptr & 0x0000ff00 ) * _f2 ) ) >> 8 ; + b = ((( c & 0x000000ff ) * _f ) + (( *ptr & 0x000000ff ) * _f2 ) ) >> 8 ; + } + else + { + r = ((( c & 0x00ff0000 ) * _factor ) + (( *ptr & 0x00ff0000 ) * _factor2 ) ) >> 8 ; + g = ((( c & 0x0000ff00 ) * _factor ) + (( *ptr & 0x0000ff00 ) * _factor2 ) ) >> 8 ; + b = ((( c & 0x000000ff ) * _factor ) + (( *ptr & 0x000000ff ) * _factor2 ) ) >> 8 ; + } + + if ( r > 0x00ff0000 ) r = 0x00ff0000 ; else r &= 0x00ff0000 ; + if ( g > 0x0000ff00 ) g = 0x0000ff00 ; else g &= 0x0000ff00 ; + if ( b > 0x000000ff ) b = 0x000000ff ; else b &= 0x000000ff ; + + *ptr = ( MAX( c & 0xff000000, *ptr & 0xff000000 ) ) | r | g | b ; + } + ptr++; + cs += incs, ct += inct; + } +} + +static void draw_span_32to32_translucent( GRAPH * dest, GRAPH * orig, int x, int y, int pixels, int s, int t, int incs, int inct ) +{ + uint32_t *ptr = ( uint32_t * ) dest->data + ( dest->pitch * y >> 2 ) + x; + int cs = s, ct = t; + uint32_t * tex ; + int r, g, b; + unsigned int c, _f, _f2; + + while ( pixels-- ) + { + tex = ( uint32_t * ) orig->data + ( orig->pitch * ( ct >> 16 ) >> 2 ) + ( cs >> 16 ); + + if ( *tex ) + { + c = *tex ; + _f = c & 0xff000000; + if ( _f != 0xff000000 ) + { + _f = ( _f >> 24 ) * _factor / 255 ; + _f2 = 255 - _f ; + + r = ((( c & 0x00ff0000 ) * _f ) + (( *ptr & 0x00ff0000 ) * _f2 ) ) >> 8 ; + g = ((( c & 0x0000ff00 ) * _f ) + (( *ptr & 0x0000ff00 ) * _f2 ) ) >> 8 ; + b = ((( c & 0x000000ff ) * _f ) + (( *ptr & 0x000000ff ) * _f2 ) ) >> 8 ; + } + else + { + r = ((( c & 0x00ff0000 ) * _factor ) + (( *ptr & 0x00ff0000 ) * _factor2 ) ) >> 8 ; + g = ((( c & 0x0000ff00 ) * _factor ) + (( *ptr & 0x0000ff00 ) * _factor2 ) ) >> 8 ; + b = ((( c & 0x000000ff ) * _factor ) + (( *ptr & 0x000000ff ) * _factor2 ) ) >> 8 ; + } + + if ( r > 0x00ff0000 ) r = 0x00ff0000 ; else r &= 0x00ff0000 ; + if ( g > 0x0000ff00 ) g = 0x0000ff00 ; else g &= 0x0000ff00 ; + if ( b > 0x000000ff ) b = 0x000000ff ; else b &= 0x000000ff ; + + *ptr = ( MAX( c & 0xff000000, *ptr & 0xff000000 ) ) | r | g | b ; + } + ptr++; + cs += incs, ct += inct; + } +} + +static void draw_span_32to32_nocolorkey( GRAPH * dest, GRAPH * orig, int x, int y, int pixels, int s, int t, int incs, int inct ) +{ + uint32_t *ptr = ( uint32_t * ) dest->data + ( dest->pitch * y >> 2 ) + x; + int cs = s, ct = t; + uint32_t * tex ; + + while ( pixels-- ) + { + tex = ( uint32_t * ) orig->data + ( orig->pitch * ( ct >> 16 ) >> 2 ) + ( cs >> 16 ); + *ptr++ = *tex; + cs += incs, ct += inct; + } +} + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : gr_draw_hspan_XXX + * + * Draw a textures span line into a bitmap. Those functions + * represent the inner loop of the blitter, but in an + * unscaled, non-rotated case (for gr_blit). Texture/screen + * coordinates are already calculated in origin/dest pointers. + * + * This file includes unoptimized C versions of those functions + * + * There is one version of this function for each bit depth + * and blend effect configuration + * + * PARAMS : + * dest Destination pointer + * tex Origin pointer + * pixels Number of pixels to draw + * incs Texture increment: must be 1 or -1 + * + * RETURN VALUE : + * None + * + */ + +/* Parameter for 1to8 and 16to8 */ +static int posx; + +/* --------------------------------------------------------------------------- */ +/* 1 to 8 */ +/* --------------------------------------------------------------------------- */ + +static void draw_hspan_1to8( uint8_t *scr, uint8_t * tex, int pixels, int incs, int l, int scr_inc, int tex_inc ) +{ + int mask, omask = ( 0x80 >> ( posx & 7 ) ); + int i; + uint8_t * _scr = ( uint8_t * ) scr, * _tex = ( uint8_t * ) tex; + + while ( l-- ) + { + mask = omask; + for ( i = pixels; i--; ) + { + if ( *tex & mask ) *scr++ = pixel_color8; + else scr++; + if ( incs < 0 ) + { + if ( mask == 0x80 ) mask = 0x01, tex--; + else mask <<= 1; + } + else + { + if ( mask == 0x01 ) mask = 0x80, tex++; + else mask >>= 1; + } + } + scr = _scr += scr_inc; tex = _tex += tex_inc; + } +} + +/* --------------------------------------------------------------------------- */ +/* 8 to 8 */ +/* --------------------------------------------------------------------------- */ + +static void draw_hspan_8to8_nocolorkey( uint8_t *scr, uint8_t * tex, int pixels, int incs, int l, int scr_inc, int tex_inc ) +{ + int i; + uint8_t * _scr = ( uint8_t * ) scr, * _tex = ( uint8_t * ) tex; + + while ( l-- ) + { + for ( i = pixels; i--; ) + { + *scr++ = *tex; + tex += incs; + } + scr = _scr += scr_inc; tex = _tex += tex_inc; + } +} + +static void draw_hspan_8to8_translucent( uint8_t *scr, uint8_t * tex, int pixels, int incs, int l, int scr_inc, int tex_inc ) +{ + int i; + uint8_t * _scr = ( uint8_t * ) scr, * _tex = ( uint8_t * ) tex; + + while ( l-- ) + { + for ( i = pixels; i--; ) + { + if ( *tex ) *scr = ghost8[( *tex << 8 ) + *scr]; + scr++; + tex += incs; + } + scr = _scr += scr_inc; tex = _tex += tex_inc; + } +} + +static void draw_hspan_8to8_tablend( uint8_t *scr, uint8_t * tex, int pixels, int incs, int l, int scr_inc, int tex_inc ) +{ + int i; + uint8_t * _scr = ( uint8_t * ) scr, * _tex = ( uint8_t * ) tex; + + while ( l-- ) + { + for ( i = pixels; i--; ) + { + if ( *tex ) *scr = ( uint8_t ) ghost8[(blend_func( *tex,*scr ) << 8 )+ *scr ]; + scr++; + tex += incs; + } + scr = _scr += scr_inc; tex = _tex += tex_inc; + } +} + +static void draw_hspan_8to8_ablend( uint8_t *scr, uint8_t * tex, int pixels, int incs, int l, int scr_inc, int tex_inc ) +{ + int i; + uint8_t * _scr = ( uint8_t * ) scr, * _tex = ( uint8_t * ) tex; + + while ( l-- ) + { + for ( i = pixels; i--; ) + { + if ( *tex ) *scr = ( uint8_t ) blend_func( *tex, *scr ); + scr++; + tex += incs; + } + scr = _scr += scr_inc; tex = _tex += tex_inc; + } +} + +static void draw_hspan_8to8( uint8_t *scr, uint8_t * tex, int pixels, int incs, int l, int scr_inc, int tex_inc ) +{ + int i; + uint8_t * _scr = ( uint8_t * ) scr, * _tex = ( uint8_t * ) tex; + + while ( l-- ) + { + for ( i = pixels; i--; ) + { + if ( *tex ) *scr = *tex; + scr++; + tex += incs; + } + scr = _scr += scr_inc; tex = _tex += tex_inc; + } +} + +/* --------------------------------------------------------------------------- */ +/* 1 to 16 */ +/* --------------------------------------------------------------------------- */ + +static void draw_hspan_1to16( uint16_t *scr, uint8_t * tex, int pixels, int incs, int l, int scr_inc, int tex_inc ) +{ + int mask, omask = ( 0x80 >> ( posx & 7 ) ); + int i; + uint8_t * _scr = ( uint8_t * ) scr, * _tex = ( uint8_t * ) tex; + + while ( l-- ) + { + mask = omask; + for ( i = pixels; i--; ) + { + if ( *tex & mask ) *scr++ = pixel_color16; + else scr++; + if ( incs < 0 ) + { + if ( mask == 0x80 ) mask = 0x01, tex--; + else mask <<= 1; + } + else + { + if ( mask == 0x01 ) mask = 0x80, tex++; + else mask >>= 1; + } + } + scr = ( uint16_t * )( _scr += scr_inc ); tex = _tex += tex_inc; + } +} + +/* --------------------------------------------------------------------------- */ +/* 8 to 16 */ +/* --------------------------------------------------------------------------- */ + +static void draw_hspan_8to16( uint16_t *scr, uint8_t * tex, int pixels, int incs, int l, int scr_inc, int tex_inc ) +{ + int i; + uint8_t * _scr = ( uint8_t * ) scr, * _tex = ( uint8_t * ) tex; + + while ( l-- ) + { + for ( i = pixels; i--; ) + { + if ( *tex ) *scr = pcolorequiv[*tex]; + scr++; + tex += incs; + } + scr = ( uint16_t * )( _scr += scr_inc ); tex = _tex += tex_inc; + } +} + +static void draw_hspan_8to16_ablend( uint16_t *scr, uint8_t * tex, int pixels, int incs, int l, int scr_inc, int tex_inc ) +{ + int i; + uint8_t * _scr = ( uint8_t * ) scr, * _tex = ( uint8_t * ) tex; + + while ( l-- ) + { + for ( i = pixels; i--; ) + { + if ( *tex ) *scr = blend_func( pcolorequiv[*tex], *scr ); + scr++; + tex += incs; + } + scr = ( uint16_t * )( _scr += scr_inc ); tex = _tex += tex_inc; + } +} + +static void draw_hspan_8to16_tablend( uint16_t *scr, uint8_t * tex, int pixels, int incs, int l, int scr_inc, int tex_inc ) +{ + int i; + uint8_t * _scr = ( uint8_t * ) scr, * _tex = ( uint8_t * ) tex; + + while ( l-- ) + { + for ( i = pixels; i--; ) + { + if ( *tex ) *scr = ( uint16_t )( ghost1[blend_func( pcolorequiv[*tex], *scr )] + ghost2[*scr] ); + scr++; + tex += incs; + } + scr = ( uint16_t * )( _scr += scr_inc ); tex = _tex += tex_inc; + } +} + +static void draw_hspan_8to16_translucent( uint16_t *scr, uint8_t * tex, int pixels, int incs, int l, int scr_inc, int tex_inc ) +{ + int i; + uint8_t * _scr = ( uint8_t * ) scr, * _tex = ( uint8_t * ) tex; + + while ( l-- ) + { + for ( i = pixels; i--; ) + { + if ( *tex ) *scr = ghost1[pcolorequiv[*tex]] + ghost2[*scr]; + scr++; + tex += incs; + } + scr = ( uint16_t * )( _scr += scr_inc ); tex = _tex += tex_inc; + } +} + +static void draw_hspan_8to16_nocolorkey( uint16_t *scr, uint8_t * tex, int pixels, int incs, int l, int scr_inc, int tex_inc ) +{ + int i; + uint8_t * _scr = ( uint8_t * ) scr, * _tex = ( uint8_t * ) tex; + + while ( l-- ) + { + for ( i = pixels; i--; ) + { + *scr++ = pcolorequiv[*tex]; + tex += incs; + } + scr = ( uint16_t * )( _scr += scr_inc ); tex = _tex += tex_inc; + } +} + +/* --------------------------------------------------------------------------- */ +/* 16 to 16 */ +/* --------------------------------------------------------------------------- */ + +static void draw_hspan_16to16( uint16_t *scr, uint16_t * tex, int pixels, int incs, int l, int scr_inc, int tex_inc ) +{ + int i; + uint8_t * _scr = ( uint8_t * ) scr, * _tex = ( uint8_t * ) tex; + + while ( l-- ) + { + for ( i = pixels; i--; ) + { + if ( *tex ) *scr = *tex; + scr++ ; + tex += incs; + } + scr = ( uint16_t * )( _scr += scr_inc ); tex = ( uint16_t * )( _tex += tex_inc ); + } +} + +static void draw_hspan_16to16_ablend( uint16_t *scr, uint16_t * tex, int pixels, int incs, int l, int scr_inc, int tex_inc ) +{ + int i; + uint8_t * _scr = ( uint8_t * ) scr, * _tex = ( uint8_t * ) tex; + + while ( l-- ) + { + for ( i = pixels; i--; ) + { + if ( *tex ) *scr = blend_func( *tex, *scr ); + scr++ ; + tex += incs; + } + scr = ( uint16_t * )( _scr += scr_inc ); tex = ( uint16_t * )( _tex += tex_inc ); + } +} + +static void draw_hspan_16to16_tablend( uint16_t *scr, uint16_t * tex, int pixels, int incs, int l, int scr_inc, int tex_inc ) +{ + int i; + uint8_t * _scr = ( uint8_t * ) scr, * _tex = ( uint8_t * ) tex; + + while ( l-- ) + { + for ( i = pixels; i--; ) + { + if ( *tex ) *scr = ( uint16_t )( ghost1[blend_func( *tex,*scr )] + ghost2[*scr] ); + scr++; + tex += incs; + } + scr = ( uint16_t * )( _scr += scr_inc ); tex = ( uint16_t * )( _tex += tex_inc ); + } +} + +static void draw_hspan_16to16_translucent( uint16_t *scr, uint16_t * tex, int pixels, int incs, int l, int scr_inc, int tex_inc ) +{ + int i; + uint8_t * _scr = ( uint8_t * ) scr, * _tex = ( uint8_t * ) tex; + + while ( l-- ) + { + for ( i = pixels; i--; ) + { + if ( *tex ) *scr = ghost1[*tex] + ghost2[*scr]; + scr++; + tex += incs; + } + scr = ( uint16_t * )( _scr += scr_inc ); tex = ( uint16_t * )( _tex += tex_inc ); + } +} + +static void draw_hspan_16to16_nocolorkey( uint16_t *scr, uint16_t * tex, int pixels, int incs, int l, int scr_inc, int tex_inc ) +{ + int i; + uint8_t * _scr = ( uint8_t * ) scr, * _tex = ( uint8_t * ) tex; + + while ( l-- ) + { + for ( i = pixels; i--; ) + { + *scr++ = *tex; + tex += incs; + } + scr = ( uint16_t * )( _scr += scr_inc ); tex = ( uint16_t * )( _tex += tex_inc ); + } +} + +/* --------------------------------------------------------------------------- */ +/* 1 to 32 */ +/* --------------------------------------------------------------------------- */ + +static void draw_hspan_1to32( uint32_t *scr, uint8_t * tex, int pixels, int incs, int l, int scr_inc, int tex_inc ) +{ + int mask, omask = ( 0x80 >> ( posx & 7 ) ); + int i; + uint8_t * _scr = ( uint8_t * ) scr, * _tex = ( uint8_t * ) tex; + + while ( l-- ) + { + mask = omask; + for ( i = pixels; i--; ) + { + if ( *tex & mask ) *scr = ( *scr & 0xff000000 ) | pixel_color32; + scr++; + if ( incs < 0 ) + { + if ( mask == 0x80 ) mask = 0x01, tex--; + else mask <<= 1; + } + else + { + if ( mask == 0x01 ) mask = 0x80, tex++; + else mask >>= 1; + } + } + scr = ( uint32_t * )( _scr += scr_inc ); tex = _tex += tex_inc; + } +} + +/* --------------------------------------------------------------------------- */ +/* 8 to 32 */ +/* --------------------------------------------------------------------------- */ + +static void draw_hspan_8to32( uint32_t *scr, uint8_t * tex, int pixels, int incs, int l, int scr_inc, int tex_inc ) +{ + int i; + uint8_t * _scr = ( uint8_t * ) scr, * _tex = ( uint8_t * ) tex; + + while ( l-- ) + { + for ( i = pixels; i--; ) + { + if ( *tex ) *scr = ( *scr & 0xff000000 ) | pcolorequiv[*tex]; + scr++; + tex += incs; + } + scr = ( uint32_t * )( _scr += scr_inc ); tex = _tex += tex_inc; + } +} + +static void draw_hspan_8to32_ablend( uint32_t *scr, uint8_t * tex, int pixels, int incs, int l, int scr_inc, int tex_inc ) +{ + int i; + uint8_t * _scr = ( uint8_t * ) scr, * _tex = ( uint8_t * ) tex; + + while ( l-- ) + { + for ( i = pixels; i--; ) + { + if ( *tex ) *scr = ( *scr & 0xff000000 ) | blend_func( pcolorequiv[*tex], *scr ); + scr++; + tex += incs; + } + scr = ( uint32_t * )( _scr += scr_inc ); tex = _tex += tex_inc; + } +} + +static void draw_hspan_8to32_tablend( uint32_t *scr, uint8_t * tex, int pixels, int incs, int l, int scr_inc, int tex_inc ) +{ + int i; + uint8_t * _scr = ( uint8_t * ) scr, * _tex = ( uint8_t * ) tex; + uint32_t r, g, b, c; + + while ( l-- ) + { + for ( i = pixels; i--; ) + { + if ( *tex ) + { + c = blend_func( pcolorequiv[*tex], *scr ) ; + + r = ((( c & 0x00ff0000 ) * _factor ) + (( *scr & 0x00ff0000 ) * _factor2 ) ) >> 8 ; + g = ((( c & 0x0000ff00 ) * _factor ) + (( *scr & 0x0000ff00 ) * _factor2 ) ) >> 8 ; + b = ((( c & 0x000000ff ) * _factor ) + (( *scr & 0x000000ff ) * _factor2 ) ) >> 8 ; + + if ( r > 0x00ff0000 ) r = 0x00ff0000 ; else r &= 0x00ff0000 ; + if ( g > 0x0000ff00 ) g = 0x0000ff00 ; else g &= 0x0000ff00 ; + if ( b > 0x000000ff ) b = 0x000000ff ; else b &= 0x000000ff ; + + *scr = ( *scr & 0xff000000 ) | r | g | b ; + } + scr++; + tex += incs; + } + scr = ( uint32_t * )( _scr += scr_inc ); tex = _tex += tex_inc; + } +} + +static void draw_hspan_8to32_translucent( uint32_t *scr, uint8_t * tex, int pixels, int incs, int l, int scr_inc, int tex_inc ) +{ + int i; + uint8_t * _scr = ( uint8_t * ) scr, * _tex = ( uint8_t * ) tex; + uint32_t r, g, b, c; + + while ( l-- ) + { + for ( i = pixels; i--; ) + { + if ( *tex ) + { + c = ( pcolorequiv[*tex] ); + + r = ((( c & 0x00ff0000 ) * _factor ) + (( *scr & 0x00ff0000 ) * _factor2 ) ) >> 8 ; + g = ((( c & 0x0000ff00 ) * _factor ) + (( *scr & 0x0000ff00 ) * _factor2 ) ) >> 8 ; + b = ((( c & 0x000000ff ) * _factor ) + (( *scr & 0x000000ff ) * _factor2 ) ) >> 8 ; + + if ( r > 0x00ff0000 ) r = 0x00ff0000 ; else r &= 0x00ff0000 ; + if ( g > 0x0000ff00 ) g = 0x0000ff00 ; else g &= 0x0000ff00 ; + if ( b > 0x000000ff ) b = 0x000000ff ; else b &= 0x000000ff ; + + *scr = ( *scr & 0xff000000 ) | r | g | b ; + } + scr++; + tex += incs; + } + scr = ( uint32_t * )( _scr += scr_inc ); tex = _tex += tex_inc; + } +} + +static void draw_hspan_8to32_nocolorkey( uint32_t *scr, uint8_t * tex, int pixels, int incs, int l, int scr_inc, int tex_inc ) +{ + int i; + uint8_t * _scr = ( uint8_t * ) scr, * _tex = ( uint8_t * ) tex; + + while ( l-- ) + { + for ( i = pixels; i--; ) + { + *scr = ( *scr & 0xff000000 ) | pcolorequiv[*tex]; + scr++; + tex += incs; + } + scr = ( uint32_t * )( _scr += scr_inc ); tex = _tex += tex_inc; + } +} + +/* --------------------------------------------------------------------------- */ +/* 16 to 32 */ +/* --------------------------------------------------------------------------- */ + +static void draw_hspan_16to32( uint32_t *scr, uint16_t * tex, int pixels, int incs, int l, int scr_inc, int tex_inc ) +{ + int i; + uint8_t * _scr = ( uint8_t * ) scr, * _tex = ( uint8_t * ) tex; + + while ( l-- ) + { + for ( i = pixels; i--; ) + { + if ( *tex ) *scr = ( *scr & 0xff000000 ) | (( * tex & 0xf800 ) << 8 ) | (( * tex & 0x07e0 ) << 5 ) | (( * tex & 0x001f ) << 3 ) ; + scr++ ; + tex += incs; + } + scr = ( uint32_t * )( _scr += scr_inc ); tex = ( uint16_t * )( _tex += tex_inc ); + } +} + +static void draw_hspan_16to32_ablend( uint32_t *scr, uint16_t * tex, int pixels, int incs, int l, int scr_inc, int tex_inc ) +{ + int i; + uint8_t * _scr = ( uint8_t * ) scr, * _tex = ( uint8_t * ) tex; + + while ( l-- ) + { + for ( i = pixels; i--; ) + { + if ( *tex ) *scr = ( *scr & 0xff000000 ) | blend_func((( * tex & 0xf800 ) << 8 ) | (( * tex & 0x07e0 ) << 5 ) | (( * tex & 0x001f ) << 3 ), *scr ); + scr++ ; + tex += incs; + } + scr = ( uint32_t * )( _scr += scr_inc ); tex = ( uint16_t * )( _tex += tex_inc ); + } +} + +static void draw_hspan_16to32_tablend( uint32_t *scr, uint16_t * tex, int pixels, int incs, int l, int scr_inc, int tex_inc ) +{ + int i; + uint8_t * _scr = ( uint8_t * ) scr, * _tex = ( uint8_t * ) tex; + uint32_t r, g, b, c; + + while ( l-- ) + { + for ( i = pixels; i--; ) + { + if ( *tex ) + { + c = blend_func((( * tex & 0xf800 ) << 8 ) | (( * tex & 0x07e0 ) << 5 ) | (( * tex & 0x001f ) << 3 ), *scr ) ; + + r = ((( c & 0x00ff0000 ) * _factor ) + (( *scr & 0x00ff0000 ) * _factor2 ) ) >> 8 ; + g = ((( c & 0x0000ff00 ) * _factor ) + (( *scr & 0x0000ff00 ) * _factor2 ) ) >> 8 ; + b = ((( c & 0x000000ff ) * _factor ) + (( *scr & 0x000000ff ) * _factor2 ) ) >> 8 ; + + if ( r > 0x00ff0000 ) r = 0x00ff0000 ; else r &= 0x00ff0000 ; + if ( g > 0x0000ff00 ) g = 0x0000ff00 ; else g &= 0x0000ff00 ; + if ( b > 0x000000ff ) b = 0x000000ff ; else b &= 0x000000ff ; + + *scr = ( *scr & 0xff000000 ) | r | g | b ; + } + scr++; + tex += incs; + } + scr = ( uint32_t * )( _scr += scr_inc ); tex = ( uint16_t * )( _tex += tex_inc ); + } +} + +static void draw_hspan_16to32_translucent( uint32_t *scr, uint16_t * tex, int pixels, int incs, int l, int scr_inc, int tex_inc ) +{ + int i; + uint8_t * _scr = ( uint8_t * ) scr, * _tex = ( uint8_t * ) tex; + uint32_t r, g, b, c; + + while ( l-- ) + { + for ( i = pixels; i--; ) + { + if ( *tex ) + { + c = (( * tex & 0xf800 ) << 8 ) | (( * tex & 0x07e0 ) << 5 ) | (( * tex & 0x001f ) << 3 ); + + r = ((( c & 0x00ff0000 ) * _factor ) + (( *scr & 0x00ff0000 ) * _factor2 ) ) >> 8 ; + g = ((( c & 0x0000ff00 ) * _factor ) + (( *scr & 0x0000ff00 ) * _factor2 ) ) >> 8 ; + b = ((( c & 0x000000ff ) * _factor ) + (( *scr & 0x000000ff ) * _factor2 ) ) >> 8 ; + + if ( r > 0x00ff0000 ) r = 0x00ff0000 ; else r &= 0x00ff0000 ; + if ( g > 0x0000ff00 ) g = 0x0000ff00 ; else g &= 0x0000ff00 ; + if ( b > 0x000000ff ) b = 0x000000ff ; else b &= 0x000000ff ; + + *scr = ( *scr & 0xff000000 ) | r | g | b ; + } + scr++; + tex += incs; + } + scr = ( uint32_t * )( _scr += scr_inc ); tex = ( uint16_t * )( _tex += tex_inc ); + } +} + +static void draw_hspan_16to32_nocolorkey( uint32_t *scr, uint16_t * tex, int pixels, int incs, int l, int scr_inc, int tex_inc ) +{ + int i; + uint8_t * _scr = ( uint8_t * ) scr, * _tex = ( uint8_t * ) tex; + + while ( l-- ) + { + for ( i = pixels; i--; ) + { + *scr = ( *scr & 0xff000000 ) | (( * tex & 0xf800 ) << 8 ) | (( * tex & 0x07e0 ) << 5 ) | (( * tex & 0x001f ) << 3 ); + scr++; + tex += incs; + } + scr = ( uint32_t * )( _scr += scr_inc ); tex = ( uint16_t * )( _tex += tex_inc ); + } +} + +/* --------------------------------------------------------------------------- */ +/* 32 to 32 */ +/* --------------------------------------------------------------------------- */ + +static void draw_hspan_32to32( uint32_t *scr, uint32_t * tex, int pixels, int incs, int l, int scr_inc, int tex_inc ) +{ + int i; + uint8_t * _scr = ( uint8_t * ) scr, * _tex = ( uint8_t * ) tex; + uint32_t r, g, b, c; + + while ( l-- ) + { + for ( i = pixels; i--; ) + { + if ( *tex ) + { + if ( *tex ^ 0xff000000 ) + { + c = *tex; + _factor = ( c & 0xff000000 ) >> 24; + _factor2 = 255 - _factor; + + r = ((( c & 0x00ff0000 ) * _factor ) + (( *scr & 0x00ff0000 ) * _factor2 ) ) >> 8 ; + g = ((( c & 0x0000ff00 ) * _factor ) + (( *scr & 0x0000ff00 ) * _factor2 ) ) >> 8 ; + b = ((( c & 0x000000ff ) * _factor ) + (( *scr & 0x000000ff ) * _factor2 ) ) >> 8 ; + + if ( r > 0x00ff0000 ) r = 0x00ff0000 ; else r &= 0x00ff0000 ; + if ( g > 0x0000ff00 ) g = 0x0000ff00 ; else g &= 0x0000ff00 ; + if ( b > 0x000000ff ) b = 0x000000ff ; else b &= 0x000000ff ; + + *scr = ( MAX( c & 0xff000000, *scr & 0xff000000 ) ) | r | g | b ; + } + else if ( *tex ) + *scr = *tex; + } + scr++ ; + tex += incs; + } + scr = ( uint32_t * )( _scr += scr_inc ); tex = ( uint32_t * )( _tex += tex_inc ); + } +} + +static void draw_hspan_32to32_ablend( uint32_t *scr, uint32_t * tex, int pixels, int incs, int l, int scr_inc, int tex_inc ) +{ + int i; + uint8_t * _scr = ( uint8_t * ) scr, * _tex = ( uint8_t * ) tex; + uint32_t r, g, b, c; + + while ( l-- ) + { + for ( i = pixels; i--; ) + { + if ( *tex ) + { + if ( *tex ^ 0xff000000 ) + { + c = blend_func( *tex, *scr ); + _factor = ( *tex & 0xff000000 ) >> 24; + _factor2 = 255 - _factor; + + r = ((( c & 0x00ff0000 ) * _factor ) + (( *scr & 0x00ff0000 ) * _factor2 ) ) >> 8 ; + g = ((( c & 0x0000ff00 ) * _factor ) + (( *scr & 0x0000ff00 ) * _factor2 ) ) >> 8 ; + b = ((( c & 0x000000ff ) * _factor ) + (( *scr & 0x000000ff ) * _factor2 ) ) >> 8 ; + + if ( r > 0x00ff0000 ) r = 0x00ff0000 ; else r &= 0x00ff0000 ; + if ( g > 0x0000ff00 ) g = 0x0000ff00 ; else g &= 0x0000ff00 ; + if ( b > 0x000000ff ) b = 0x000000ff ; else b &= 0x000000ff ; + + *scr = ( MAX( c & 0xff000000, *scr & 0xff000000 ) ) | r | g | b ; + } + else if ( *tex ) + *scr = ( MAX( *tex & 0xff000000, *scr & 0xff000000 ) ) | blend_func( *tex, *scr ); + } + scr++ ; + tex += incs; + } + scr = ( uint32_t * )( _scr += scr_inc ); tex = ( uint32_t * )( _tex += tex_inc ); + } +} + +static void draw_hspan_32to32_tablend( uint32_t *scr, uint32_t * tex, int pixels, int incs, int l, int scr_inc, int tex_inc ) +{ + int i; + uint8_t * _scr = ( uint8_t * ) scr, * _tex = ( uint8_t * ) tex; + uint32_t r, g, b; + unsigned int c, _f, _f2; + + while ( l-- ) + { + for ( i = pixels; i--; ) + { + if ( *tex ) + { + c = blend_func( *tex, *scr ) ; + _f = (( unsigned int ) * tex ) & 0xff000000; + if ( _f != 0xff000000 ) + { + _f = ( _f >> 24 ) * _factor / 255 ; + _f2 = 255 - _f ; + + r = ((( c & 0x00ff0000 ) * _f ) + (( *scr & 0x00ff0000 ) * _f2 ) ) >> 8 ; + g = ((( c & 0x0000ff00 ) * _f ) + (( *scr & 0x0000ff00 ) * _f2 ) ) >> 8 ; + b = ((( c & 0x000000ff ) * _f ) + (( *scr & 0x000000ff ) * _f2 ) ) >> 8 ; + } + else + { + r = ((( c & 0x00ff0000 ) * _factor ) + (( *scr & 0x00ff0000 ) * _factor2 ) ) >> 8 ; + g = ((( c & 0x0000ff00 ) * _factor ) + (( *scr & 0x0000ff00 ) * _factor2 ) ) >> 8 ; + b = ((( c & 0x000000ff ) * _factor ) + (( *scr & 0x000000ff ) * _factor2 ) ) >> 8 ; + } + if ( r > 0x00ff0000 ) r = 0x00ff0000 ; else r &= 0x00ff0000 ; + if ( g > 0x0000ff00 ) g = 0x0000ff00 ; else g &= 0x0000ff00 ; + if ( b > 0x000000ff ) b = 0x000000ff ; else b &= 0x000000ff ; + + *scr = ( MAX( c & 0xff000000, *scr & 0xff000000 ) ) | r | g | b ; + } + scr++; + tex += incs; + } + scr = ( uint32_t * )( _scr += scr_inc ); tex = ( uint32_t * )( _tex += tex_inc ); + } +} + +static void draw_hspan_32to32_translucent( uint32_t *scr, uint32_t * tex, int pixels, int incs, int l, int scr_inc, int tex_inc ) +{ + int i; + uint8_t * _scr = ( uint8_t * ) scr, * _tex = ( uint8_t * ) tex; + int r, g, b; + unsigned int c, _f, _f2; + + while ( l-- ) + { + for ( i = pixels; i--; ) + { + if ( *tex ) + { + c = *tex ; + _f = c & 0xff000000; + if ( _f != 0xff000000 ) + { + _f = ( _f >> 24 ) * _factor / 255 ; + _f2 = 255 - _f ; + + r = ((( c & 0x00ff0000 ) * _f ) + (( *scr & 0x00ff0000 ) * _f2 ) ) >> 8 ; + g = ((( c & 0x0000ff00 ) * _f ) + (( *scr & 0x0000ff00 ) * _f2 ) ) >> 8 ; + b = ((( c & 0x000000ff ) * _f ) + (( *scr & 0x000000ff ) * _f2 ) ) >> 8 ; + } + else + { + r = ((( c & 0x00ff0000 ) * _factor ) + (( *scr & 0x00ff0000 ) * _factor2 ) ) >> 8 ; + g = ((( c & 0x0000ff00 ) * _factor ) + (( *scr & 0x0000ff00 ) * _factor2 ) ) >> 8 ; + b = ((( c & 0x000000ff ) * _factor ) + (( *scr & 0x000000ff ) * _factor2 ) ) >> 8 ; + } + + if ( r > 0x00ff0000 ) r = 0x00ff0000 ; else r &= 0x00ff0000 ; + if ( g > 0x0000ff00 ) g = 0x0000ff00 ; else g &= 0x0000ff00 ; + if ( b > 0x000000ff ) b = 0x000000ff ; else b &= 0x000000ff ; + + *scr = ( MAX( c & 0xff000000, *scr & 0xff000000 ) ) | r | g | b ; + } + scr++; + tex += incs; + } + scr = ( uint32_t * )( _scr += scr_inc ); tex = ( uint32_t * )( _tex += tex_inc ); + } +} + +static void draw_hspan_32to32_nocolorkey( uint32_t *scr, uint32_t * tex, int pixels, int incs, int l, int scr_inc, int tex_inc ) +{ + int i; + uint8_t * _scr = ( uint8_t * ) scr, * _tex = ( uint8_t * ) tex; + + while ( l-- ) + { + for ( i = pixels; i--; ) + { + *scr++ = *tex; + tex += incs; + } + scr = ( uint32_t * )( _scr += scr_inc ); tex = ( uint32_t * )( _tex += tex_inc ); + } +} + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : gr_calculate_corners + * + * Calculate the screen coordinates of the corners of a graphic + * when rotated and scaled in an specific angle + * + * PARAMS : + * graph Pointer to the graphic object + * x, y Pixel coordinates of the center on screen + * angle Angle of rotation in miliangles + * scalex, scaley Scaling ratio in percentaje (100 for original size) + * corners Pointer to the output array of 4 points + * + * RETURN VALUE : + * The screen coordinates of the points will be written + * into the "corners" array + * + */ + +static void gr_calculate_corners( GRAPH * dest, int screen_x, int screen_y, int flags, int angle, int scalex, int scaley, _POINT * corners ) +{ + float center_x, center_y, sx = 1, sy = -1; + + if ( scalex < 0 ) scalex = 0; + if ( scaley < 0 ) scaley = 0; + + /* Calculate the graphic center */ + + if ( dest->ncpoints && dest->cpoints[0].x != CPOINT_UNDEFINED ) + { + center_x = dest->cpoints[0].x + 0.5; + center_y = dest->cpoints[0].y + 0.5; + } + else + { + center_x = dest->width / 2.0; + center_y = dest->height / 2.0; + } + + if ( flags & B_HMIRROR ) sx = -1; + if ( flags & B_VMIRROR ) sy = 1; + + /* Rotate the coordinates */ + + float cos_angle = fixtof( fcos( angle ) ); + float sin_angle = fixtof( fsin( angle ) ); + + /* Top-left, top-right, bottom-left, bottom-right */ + + float x0 = ( (float)screen_x + 0.5 ) * 100.0, + y0 = ( (float)screen_y + 0.5 ) * 100.0; + + float lef_x, top_y, rig_x, bot_y; +/* + lef_x = - ( scalex * center_x - 0.5 ) ; + rig_x = ( scalex * ( dest->width - center_x ) - 0.5 ) ; + + top_y = - ( scaley * center_y - 0.5 ) ; + bot_y = ( scaley * ( dest->height - center_y ) - 0.5 ) ; +*/ + + lef_x = - ( (float) scalex * center_x ) ; + rig_x = ( (float) scalex * ( dest->width - center_x ) ) ; + + top_y = - ( (float) scaley * center_y ) ; + bot_y = ( (float) scaley * ( dest->height - center_y ) ) ; + + if ( (int) lef_x != (int) rig_x ) + { + lef_x += 0.5; + rig_x -= 0.5; + } + + if ( (int) top_y != (int) bot_y ) + { + top_y += 0.5; + bot_y -= 0.5; + } + + corners[0].x = ( lef_x * cos_angle + top_y * sin_angle ) * sx + x0; + corners[0].y = ( lef_x * sin_angle - top_y * cos_angle ) * sy + y0; + corners[1].x = ( rig_x * cos_angle + top_y * sin_angle ) * sx + x0; + corners[1].y = ( rig_x * sin_angle - top_y * cos_angle ) * sy + y0; + corners[2].x = ( lef_x * cos_angle + bot_y * sin_angle ) * sx + x0; + corners[2].y = ( lef_x * sin_angle - bot_y * cos_angle ) * sy + y0; + corners[3].x = ( rig_x * cos_angle + bot_y * sin_angle ) * sx + x0; + corners[3].y = ( rig_x * sin_angle - bot_y * cos_angle ) * sy + y0; +} + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : gr_get_bbox + * + * Calculate the bounding box of a graphic, when drawing it with + * the gr_rotated_blit function + * + * PARAMS : + * dest Destination bitmap or NULL for screen + * clip Clipping region or NULL for the whole screen + * scrx, scry Pixel coordinates of the center on screen + * angle Angle of rotation in miliangles + * scalex, scaley Scaling ratio in percentaje (100 for original size) + * gr Pointer to the graphic object to draw + * + * RETURN VALUE : + * None + * + */ + +void gr_get_bbox( REGION * dest, REGION * clip, int x, int y, int flags, int angle, int scalex, int scaley, GRAPH * gr ) +{ + _POINT corners[4]; + _POINT min, max; + int i; + + /* Calculate the coordinates of each corner in the graphic */ + + gr_calculate_corners( gr, x, y, flags, angle, scalex, scaley, corners ); + + /* Calculate the bounding box */ + + min.x = max.x = corners[0].x; + min.y = max.y = corners[0].y; + + for ( i = 1 ; i < 4 ; i++ ) + { + if ( min.x > corners[i].x ) min.x = corners[i].x; + if ( max.x < corners[i].x ) max.x = corners[i].x; + if ( min.y > corners[i].y ) min.y = corners[i].y; + if ( max.y < corners[i].y ) max.y = corners[i].y; + } + + dest->x = min.x / 100 ; + dest->y = min.y / 100 ; + dest->x2 = max.x / 100 ; + dest->y2 = max.y / 100 ; +} + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : gr_rotated_blit + * + * Draw a rotated and/or scaled bitmap + * + * PARAMS : + * dest Destination bitmap or NULL for screen + * clip Clipping region or NULL for the whole screen + * scrx, scry Pixel coordinates of the center on screen + * angle Angle of rotation in miliangles + * scalex, scaley Scaling ratio in percentaje (100 for original size) + * gr Pointer to the graphic object to draw + * + * RETURN VALUE : + * None + * + */ + +void gr_rotated_blit( + GRAPH * dest, + REGION * clip, + int scrx, + int scry, + int flags, + int angle, + int scalex, + int scaley, + GRAPH * gr ) +{ + _POINT corners[4]; + _POINT min, max; + VERTEX vertex[4]; + int i; + + float half_texel_size_x = 0.0; + float half_texel_size_y = 0.0; + + /* Data for the left line */ + int left_steps; + int left_pos; + VECTOR left_texture_increment; + VERTEX* left_start; + VERTEX* left_end; + + /* Data for the right line */ + int right_steps; + int right_pos; + VECTOR right_texture_increment; + VERTEX* right_start; + VERTEX* right_end; + + /* Pointer to the line drawing function */ + DRAW_SPAN * draw_span = NULL; + + if ( !dest ) dest = scrbitmap; + + if ( !dest->data || !gr->data ) return; + if ( scalex <= 0 || scaley <= 0 ) return; + + /* Analize the bitmap if needed (find if no color key used */ + + if ( gr->modified > 1 ) bitmap_analize( gr ) ; + + if ( gr->info_flags & GI_NOCOLORKEY ) flags |= B_NOCOLORKEY ; + + /* Setup the 16 bits translucency tables if necessay */ + + if ( gr->blend_table ) + { + if ( dest->format->depth == 32 ) return ; + ghost1 = ( uint16_t * ) gr->blend_table ; + ghost2 = ( uint16_t * )( gr->blend_table + 65536 ) ; + flags |= B_TRANSLUCENT ; + } + else if ( flags & B_ALPHA ) + { + if ( dest->format->depth == 32 ) + { + if ( flags & B_TRANSLUCENT ) + { + _factor = ((( flags & B_ALPHA_MASK ) >> B_ALPHA_SHIFT ) ) >> 1; + } + else + { + _factor = ((( flags & B_ALPHA_MASK ) >> B_ALPHA_SHIFT ) ) ; + } + + _factor2 = 255 - _factor ; + } + else if ( dest->format->depth == 16 ) + { + if ( flags & B_TRANSLUCENT ) + { + ghost1 = gr_alpha16((( flags & B_ALPHA_MASK ) >> B_ALPHA_SHIFT ) >> 1 ); + ghost2 = gr_alpha16( 255 - ((( flags & B_ALPHA_MASK ) >> B_ALPHA_SHIFT ) >> 1 ) ); + } + else + { + ghost1 = gr_alpha16(( flags & B_ALPHA_MASK ) >> B_ALPHA_SHIFT ); + ghost2 = gr_alpha16( 255 - (( flags & B_ALPHA_MASK ) >> B_ALPHA_SHIFT ) ); + } + } + else if ( dest->format->depth == 8 ) + { + if ( flags & B_TRANSLUCENT ) + { + ghost8 = gr_alpha8((( flags & B_ALPHA_MASK ) >> B_ALPHA_SHIFT ) >> 1 ); + } + else + { + ghost8 = gr_alpha8(( flags & B_ALPHA_MASK ) >> B_ALPHA_SHIFT ); + } + } + + flags |= B_TRANSLUCENT ; + } + else if ( flags & B_TRANSLUCENT ) + { + _factor = 128 ; + _factor2 = 128 ; + ghost1 = ghost2 = colorghost ; + ghost8 = ( uint8_t * ) trans_table ; + } + + if ((flags & B_TRANSLUCENT) && !trans_table_updated) gr_make_trans_table() ; + + blend_func = ( BLEND_FUNC * ) NULL; + + /* Choose a line drawing function */ + + if ( dest->format->depth == 8 ) /* 8 bits target */ + { + if ( gr->format->depth == 8 ) + { + if ( flags & B_TRANSLUCENT ) + { + if ( flags & B_ABLEND ) + { + blend_func = additive_blend8; + draw_span = ( DRAW_SPAN * )draw_span_8to8_tablend; + } + else if ( flags & B_SBLEND ) + { + blend_func = substractive_blend8; + draw_span = ( DRAW_SPAN * )draw_span_8to8_tablend; + } + else + { + draw_span = ( DRAW_SPAN * )draw_span_8to8_translucent; + } + } + else if ( flags & B_ABLEND ) + { + blend_func = additive_blend8; + draw_span = ( DRAW_SPAN * )draw_span_8to8_ablend; + } + else if ( flags & B_SBLEND ) + { + blend_func = substractive_blend8; + draw_span = ( DRAW_SPAN * )draw_span_8to8_ablend; + } + else if ( flags & B_NOCOLORKEY ) + { + draw_span = ( DRAW_SPAN * )draw_span_8to8_nocolorkey; + } + else + { + draw_span = ( DRAW_SPAN * )draw_span_8to8; + } + } + else if ( gr->format->depth == 1 ) + { + draw_span = ( DRAW_SPAN * )draw_span_1to8; + } + else + return; + } + else if ( dest->format->depth == 16 ) /* 16 bits target */ + { + if ( gr->format->depth == 8 ) + { + pcolorequiv = gr->format->palette ? gr->format->palette->colorequiv : sys_pixel_format->palette ? sys_pixel_format->palette->colorequiv : default_colorequiv ; + + if ( flags & B_TRANSLUCENT ) + { + if ( flags & B_ABLEND ) + { + blend_func = additive_blend16; + draw_span = ( DRAW_SPAN * )draw_span_8to16_tablend; + } + else if ( flags & B_SBLEND ) + { + blend_func = substractive_blend16; + draw_span = ( DRAW_SPAN * )draw_span_8to16_tablend; + } + else + { + draw_span = ( DRAW_SPAN * )draw_span_8to16_translucent; + } + } + else if ( flags & B_ABLEND ) + { + blend_func = additive_blend16; + draw_span = ( DRAW_SPAN * )draw_span_8to16_ablend; + } + else if ( flags & B_SBLEND ) + { + blend_func = substractive_blend16; + draw_span = ( DRAW_SPAN * )draw_span_8to16_ablend; + } + else if ( flags & B_NOCOLORKEY ) + { + draw_span = ( DRAW_SPAN * )draw_span_8to16_nocolorkey; + } + else + { + draw_span = ( DRAW_SPAN * )draw_span_8to16; + } + } + else if ( gr->format->depth == 16 ) + { + if ( flags & B_TRANSLUCENT ) + { + if ( flags & B_ABLEND ) + { + blend_func = additive_blend16; + draw_span = ( DRAW_SPAN * )draw_span_16to16_tablend; + } + else if ( flags & B_SBLEND ) + { + blend_func = substractive_blend16; + draw_span = ( DRAW_SPAN * )draw_span_16to16_tablend; + } + else + { + draw_span = ( DRAW_SPAN * )draw_span_16to16_translucent; + } + } + else if ( flags & B_ABLEND ) + { + blend_func = additive_blend16; + draw_span = ( DRAW_SPAN * )draw_span_16to16_ablend; + } + else if ( flags & B_SBLEND ) + { + blend_func = substractive_blend16; + draw_span = ( DRAW_SPAN * )draw_span_16to16_ablend; + } + else if ( flags & B_NOCOLORKEY ) + { + draw_span = ( DRAW_SPAN * )draw_span_16to16_nocolorkey; + } + else + { + draw_span = ( DRAW_SPAN * )draw_span_16to16; + } + } + else if ( gr->format->depth == 1 ) + { + draw_span = ( DRAW_SPAN * )draw_span_1to16; + } + else + { + return ; //Profundidad de color no soportada + } + } + else if ( dest->format->depth == 32 ) /* 32 bits target */ + { + if ( gr->format->depth == 8 ) + { + pcolorequiv = gr->format->palette ? gr->format->palette->colorequiv : sys_pixel_format->palette ? sys_pixel_format->palette->colorequiv : default_colorequiv ; + + if ( flags & B_TRANSLUCENT ) + { + if ( flags & B_ABLEND ) + { + blend_func = additive_blend32; + draw_span = ( DRAW_SPAN * )draw_span_8to32_tablend; + } + else if ( flags & B_SBLEND ) + { + blend_func = substractive_blend32; + draw_span = ( DRAW_SPAN * )draw_span_8to32_tablend; + } + else + { + draw_span = ( DRAW_SPAN * )draw_span_8to32_translucent; + } + } + else if ( flags & B_ABLEND ) + { + blend_func = additive_blend32; + draw_span = ( DRAW_SPAN * )draw_span_8to32_ablend; + } + else if ( flags & B_SBLEND ) + { + blend_func = substractive_blend32; + draw_span = ( DRAW_SPAN * )draw_span_8to32_ablend; + } + else if ( flags & B_NOCOLORKEY ) + { + draw_span = ( DRAW_SPAN * )draw_span_8to32_nocolorkey; + } + else + { + draw_span = ( DRAW_SPAN * )draw_span_8to32; + } + } + else if ( gr->format->depth == 16 ) + { + if ( flags & B_TRANSLUCENT ) + { + if ( flags & B_ABLEND ) + { + blend_func = additive_blend32; + draw_span = ( DRAW_SPAN * )draw_span_16to32_tablend; + } + else if ( flags & B_SBLEND ) + { + blend_func = substractive_blend32; + draw_span = ( DRAW_SPAN * )draw_span_16to32_tablend; + } + else + { + draw_span = ( DRAW_SPAN * )draw_span_16to32_translucent; + } + } + else if ( flags & B_ABLEND ) + { + blend_func = additive_blend32; + draw_span = ( DRAW_SPAN * )draw_span_16to32_ablend; + } + else if ( flags & B_SBLEND ) + { + blend_func = substractive_blend32; + draw_span = ( DRAW_SPAN * )draw_span_16to32_ablend; + } + else if ( flags & B_NOCOLORKEY ) + { + draw_span = ( DRAW_SPAN * )draw_span_16to32_nocolorkey; + } + else + { + draw_span = ( DRAW_SPAN * )draw_span_16to32; + } + } + else if ( gr->format->depth == 32 ) + { + if ( flags & B_TRANSLUCENT ) + { + if ( flags & B_ABLEND ) + { + blend_func = additive_blend32; + draw_span = ( DRAW_SPAN * )draw_span_32to32_tablend; + } + else if ( flags & B_SBLEND ) + { + blend_func = substractive_blend32; + draw_span = ( DRAW_SPAN * )draw_span_32to32_tablend; + } + else + { + draw_span = ( DRAW_SPAN * )draw_span_32to32_translucent; + } + } + else if ( flags & B_ABLEND ) + { + blend_func = additive_blend32; + draw_span = ( DRAW_SPAN * )draw_span_32to32_ablend; + } + else if ( flags & B_SBLEND ) + { + blend_func = substractive_blend32; + draw_span = ( DRAW_SPAN * )draw_span_32to32_ablend; + } + else if ( flags & B_NOCOLORKEY ) + { + draw_span = ( DRAW_SPAN * )draw_span_32to32_nocolorkey; + } + else + { + draw_span = ( DRAW_SPAN * )draw_span_32to32; + } + } + else if ( gr->format->depth == 1 ) + { + draw_span = ( DRAW_SPAN * )draw_span_1to32; + } + else + { + return ; //Profundidad de color no soportada + } + } + else + { + return ; //Profundidad de color no soportada + } + + /* Calculate the coordinates of each corner in the graphic */ + + gr_calculate_corners( gr, scrx, scry, flags, angle, scalex, scaley, corners ); + + /* Calculate the clipping coordinates */ + + if ( clip ) + { + min.x = MAX( clip->x, 0 ); + min.y = MAX( clip->y, 0 ); + max.x = MIN( clip->x2, dest->width - 1 ); + max.y = MIN( clip->y2, dest->height - 1 ); + } + else + { + min.x = 0; + min.y = 0; + max.x = dest->width - 1; + max.y = dest->height - 1; + } + + /* The texture coordinates of each corner point are displaced + to the center of the texel to sidestep precision errors */ + + half_texel_size_x = 50.0 / ( float ) scalex; + half_texel_size_y = 50.0 / ( float ) scaley; +// half_texel_size_x = 0.5 / ( float ) scalex; +// half_texel_size_y = 0.5 / ( float ) scaley; + + /* Fill the vertex array with the four obtained points */ + + for ( i = 0; i < 4; i++ ) + { + vertex[i].x = corners[i].x ; + vertex[i].y = corners[i].y ; + } + + /* if ( flags & B_VMIRROR ) + { + vertex[1].s = vertex[3].s = half_texel_size_y ; + vertex[0].s = vertex[2].s = gr->width - half_texel_size_x ; + } + else + {*/ + vertex[0].s = vertex[2].s = half_texel_size_y; + vertex[1].s = vertex[3].s = gr->width - half_texel_size_x; + //} + + /*if ( flags & B_HMIRROR ) + { + vertex[2].t = vertex[3].t = half_texel_size_x; + vertex[0].t = vertex[1].t = gr->height - half_texel_size_y ; + } + else + {*/ + vertex[0].t = vertex[1].t = half_texel_size_x; + vertex[2].t = vertex[3].t = gr->height - half_texel_size_y; + // } + + /* Sort the vertex list in y coordinate order */ + + qsort( vertex, 4, sizeof( VERTEX ), compare_vertex_y ); + + /* Create the first two left and right line segments */ + + left_start = &vertex[0]; + left_end = &vertex[1]; + + right_start = &vertex[2]; + right_end = &vertex[3]; + + if ( right_start->x < right_end->x ) + { + left_end = &vertex[2]; + right_start = &vertex[1]; + } + + if ( right_start->x > right_end->x ) + { + right_end = right_start; + right_start = &vertex[0]; + } + + left_steps = ( left_end->y - left_start->y ) / 100 ; + left_texture_increment.x = ( left_end->s - left_start->s ) / ( float )( left_steps ) ; + left_texture_increment.y = ( left_end->t - left_start->t ) / ( float )( left_steps ) ; + + right_steps = ( right_end->y - right_start->y ) / 100; + right_texture_increment.x = ( right_end->s - right_start->s ) / ( float )( right_steps ) ; + right_texture_increment.y = ( right_end->t - right_start->t ) / ( float )( right_steps ) ; + + left_pos = -1 ; + right_pos = -1 ; + + /* Draw the graphic a line each time, navigating through the + * left and right line segments until reaching the graphic bottom */ + + int x, x2; + float s, t, s2, t2; + int y, y2 = vertex[3].y / 100; + + for ( y = vertex[0].y / 100 ; y <= y2; y++ ) + { + left_pos++; + right_pos++; + + /* Calculate the left point coordinates in screen and texture */ + x = left_start->x / 100 ; + s = left_start->s; + t = left_start->t; + if ( left_pos > 0 && left_steps > 0 ) + { + x += (( left_end->x - left_start->x ) / 100 ) * left_pos / left_steps; + s += left_texture_increment.x * left_pos ; + t += left_texture_increment.y * left_pos ; + } + + /* Calculate the right point coordinates in screen and texture */ + x2 = right_start->x / 100; + s2 = right_start->s; + t2 = right_start->t; + if ( right_pos > 0 && right_steps > 0 ) + { + x2 += (( right_end->x - right_start->x ) / 100 ) * right_pos / right_steps; + s2 += right_texture_increment.x * right_pos ; + t2 += right_texture_increment.y * right_pos ; + } + + /* We don't calculate y /y2 coordinate positions, because they + should be equal to i. However, precision errors may prevent it. */ + + /* Clip the resulting coordinates */ + if ( y >= min.y && y <= max.y ) + { + if ( x < min.x && x2 > x ) + { + s += ( min.x - x ) * (( s2 - s ) / ( x2 - x ) ); + t += ( min.x - x ) * (( t2 - t ) / ( x2 - x ) ); + x = min.x; + } + + if ( x2 > max.x && x2 > x ) + { + s2 -= ( x2 - max.x ) * (( s2 - s ) / ( x2 - x ) ); + t2 -= ( x2 - max.x ) * (( t2 - t ) / ( x2 - x ) ); + x2 = max.x; + } + + /* Draw the resulting line */ + if ( x2 > x ) + { + draw_span + ( + dest, + gr, + x, + y, + x2 - x + 1, + ( int )( s * 65536 ), + ( int )( t * 65536 ), + ( int )(( s2 - s ) / ( x2 - x ) * 65536 ), //increm destino + ( int )(( t2 - t ) / ( x2 - x ) * 65536 ) //increm text + ); + } + } + + /* If there is no more steps in the left vector, + * advance to the next segment */ + + if ( left_pos == left_steps ) + { + left_start = left_end; + left_end = &vertex[3]; + left_pos = -1 ; + left_steps = ( left_end->y - left_start->y ) / 100; + if ( left_steps > 0 ) + { + left_texture_increment.x = ( left_end->s - left_start->s ) / ( float )( left_steps ) ; + left_texture_increment.y = ( left_end->t - left_start->t ) / ( float )( left_steps ) ; + } + } + + /* Same for the right vector */ + + if ( right_pos == right_steps ) + { + right_start = right_end; + right_end = &vertex[3]; + right_pos = -1 ; + right_steps = ( right_end->y - right_start->y ) / 100; + if ( right_steps > 0 ) + { + right_texture_increment.x = ( right_end->s - right_start->s ) / ( float )( right_steps ) ; + right_texture_increment.y = ( right_end->t - right_start->t ) / ( float )( right_steps ) ; + } + } + } + + dest->info_flags &= ~GI_CLEAN; + dest->modified = 2 ; +} + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : gr_blit + * + * Draw a bitmap (with no rotation or scaling, but with flags & clipping) + * + * PARAMS : + * dest Destination bitmap or NULL for screen + * clip Clipping region or NULL for the whole screen + * scrx, scry Pixel coordinates of the center on screen + * gr Pointer to the graphic object to draw + * + * RETURN VALUE : + * None + * + */ + +void gr_blit( GRAPH * dest, REGION * clip, int scrx, int scry, int flags, GRAPH * gr ) +{ + _POINT min, max; + _POINT center; + int x, y, s, t, p, l; + void * tex; + void * scr; + int tex_inc; + int scr_inc; + int direction; + + DRAW_HSPAN * draw_hspan = ( DRAW_HSPAN * )NULL; + + if ( !dest ) dest = scrbitmap ; + if ( !dest->data || !gr->data ) return; + + /* Calculate the clipping coordinates */ + + if ( clip ) + { + min.x = MAX( clip->x, 0 ); + min.y = MAX( clip->y, 0 ); + max.x = MIN( clip->x2, ( int ) dest->width - 1 ); + max.y = MIN( clip->y2, ( int ) dest->height - 1 ); + } + else + { + min.x = 0; + min.y = 0; + max.x = dest->width - 1; + max.y = dest->height - 1; + } + + /* Analize the bitmap if needed (find if no color key used */ + + if ( gr->modified > 1 ) bitmap_analize( gr ) ; + + if ( gr->info_flags & GI_NOCOLORKEY ) flags |= B_NOCOLORKEY ; + + /* Setup the 16 bits translucency tables if necessay */ + + if ( gr->blend_table ) + { + if ( dest->format->depth == 32 ) return ; + ghost1 = ( uint16_t * ) gr->blend_table ; + ghost2 = ( uint16_t * )( gr->blend_table + 65536 ); + flags |= B_TRANSLUCENT ; + } + else if ( flags & B_ALPHA ) + { + if ( dest->format->depth == 32 ) + { + if ( flags & B_TRANSLUCENT ) + { + _factor = ((( flags & B_ALPHA_MASK ) >> B_ALPHA_SHIFT ) ) >> 1; + } + else + { + _factor = ((( flags & B_ALPHA_MASK ) >> B_ALPHA_SHIFT ) ) ; + } + + _factor2 = 255 - _factor ; + } + else if ( dest->format->depth == 16 ) + { + if ( flags & B_TRANSLUCENT ) + { + ghost1 = gr_alpha16((( flags & B_ALPHA_MASK ) >> B_ALPHA_SHIFT ) >> 1 ); + ghost2 = gr_alpha16( 255 - ((( flags & B_ALPHA_MASK ) >> B_ALPHA_SHIFT ) >> 1 ) ); + } + else + { + ghost1 = gr_alpha16(( flags & B_ALPHA_MASK ) >> B_ALPHA_SHIFT ); + ghost2 = gr_alpha16( 255 - (( flags & B_ALPHA_MASK ) >> B_ALPHA_SHIFT ) ); + } + } + else if ( dest->format->depth == 8 ) + { + if ( flags & B_TRANSLUCENT ) + { + ghost8 = gr_alpha8((( flags & B_ALPHA_MASK ) >> B_ALPHA_SHIFT ) >> 1 ); + } + else + { + ghost8 = gr_alpha8(( flags & B_ALPHA_MASK ) >> B_ALPHA_SHIFT ); + } + } + + flags |= B_TRANSLUCENT ; + } + else if ( flags & B_TRANSLUCENT ) + { + _factor = 128 ; + _factor2 = 128 ; + ghost1 = ghost2 = colorghost ; + ghost8 = ( uint8_t * ) trans_table ; + } + + if ((flags & B_TRANSLUCENT) && !trans_table_updated) gr_make_trans_table() ; + + blend_func = ( BLEND_FUNC * ) NULL; + + /* Choose a line drawing function */ + + if ( dest->format->depth == 8 ) /* 8 bits target */ + { + if ( gr->format->depth == 8 ) + { + if ( flags & B_TRANSLUCENT ) + { + if ( flags & B_ABLEND ) + { + blend_func = additive_blend8; + draw_hspan = ( DRAW_HSPAN * )draw_hspan_8to8_tablend; + } + else if ( flags & B_SBLEND ) + { + blend_func = substractive_blend8; + draw_hspan = ( DRAW_HSPAN * )draw_hspan_8to8_tablend; + } + else + { + draw_hspan = ( DRAW_HSPAN * )draw_hspan_8to8_translucent; + } + } + else if ( flags & B_ABLEND ) + { + blend_func = additive_blend8; + draw_hspan = ( DRAW_HSPAN * )draw_hspan_8to8_ablend; + } + else if ( flags & B_SBLEND ) + { + blend_func = substractive_blend8; + draw_hspan = ( DRAW_HSPAN * )draw_hspan_8to8_ablend; + } + else if ( flags & B_NOCOLORKEY ) + { + draw_hspan = ( DRAW_HSPAN * )draw_hspan_8to8_nocolorkey; + } + else + { + draw_hspan = ( DRAW_HSPAN * )draw_hspan_8to8; + } + } + else if ( gr->format->depth == 1 ) + { + draw_hspan = ( DRAW_HSPAN * )draw_hspan_1to8; + } + else + return; + } + else if ( dest->format->depth == 16 ) /* 16 bits target */ + { + if ( gr->format->depth == 8 ) + { + pcolorequiv = gr->format->palette ? gr->format->palette->colorequiv : sys_pixel_format->palette ? sys_pixel_format->palette->colorequiv : default_colorequiv ; + + if ( flags & B_TRANSLUCENT ) + { + if ( flags & B_ABLEND ) + { + blend_func = additive_blend16; + draw_hspan = ( DRAW_HSPAN * )draw_hspan_8to16_tablend; + } + else if ( flags & B_SBLEND ) + { + blend_func = substractive_blend16; + draw_hspan = ( DRAW_HSPAN * )draw_hspan_8to16_tablend; + } + else + { + draw_hspan = ( DRAW_HSPAN * )draw_hspan_8to16_translucent; + } + } + else if ( flags & B_ABLEND ) + { + blend_func = additive_blend16; + draw_hspan = ( DRAW_HSPAN * )draw_hspan_8to16_ablend; + } + else if ( flags & B_SBLEND ) + { + blend_func = substractive_blend16; + draw_hspan = ( DRAW_HSPAN * )draw_hspan_8to16_ablend; + } + else if ( flags & B_NOCOLORKEY ) + { + draw_hspan = ( DRAW_HSPAN * )draw_hspan_8to16_nocolorkey; + } + else + { + draw_hspan = ( DRAW_HSPAN * )draw_hspan_8to16; + } + } + else if ( gr->format->depth == 16 ) + { + if ( flags & B_TRANSLUCENT ) + { + if ( flags & B_ABLEND ) + { + blend_func = additive_blend16; + draw_hspan = ( DRAW_HSPAN * )draw_hspan_16to16_tablend; + } + else if ( flags & B_SBLEND ) + { + blend_func = substractive_blend16; + draw_hspan = ( DRAW_HSPAN * )draw_hspan_16to16_tablend; + } + else + { + draw_hspan = ( DRAW_HSPAN * )draw_hspan_16to16_translucent; + } + } + else if ( flags & B_ABLEND ) + { + blend_func = additive_blend16; + draw_hspan = ( DRAW_HSPAN * )draw_hspan_16to16_ablend; + } + else if ( flags & B_SBLEND ) + { + blend_func = substractive_blend16; + draw_hspan = ( DRAW_HSPAN * )draw_hspan_16to16_ablend; + } + else if ( flags & B_NOCOLORKEY ) + { + draw_hspan = ( DRAW_HSPAN * )draw_hspan_16to16_nocolorkey; + } + else + { + draw_hspan = ( DRAW_HSPAN * )draw_hspan_16to16; + } + } + else if ( gr->format->depth == 1 ) + { + draw_hspan = ( DRAW_HSPAN * )draw_hspan_1to16; + } + else + { + return ; //Profundidad de color no soportada + } + } + else if ( dest->format->depth == 32 ) /* 32 bits target */ + { + if ( gr->format->depth == 8 ) + { + pcolorequiv = gr->format->palette ? gr->format->palette->colorequiv : sys_pixel_format->palette ? sys_pixel_format->palette->colorequiv : default_colorequiv ; + + if ( flags & B_TRANSLUCENT ) + { + if ( flags & B_ABLEND ) + { + blend_func = additive_blend32; + draw_hspan = ( DRAW_HSPAN * )draw_hspan_8to32_tablend; + } + else if ( flags & B_SBLEND ) + { + blend_func = substractive_blend32; + draw_hspan = ( DRAW_HSPAN * )draw_hspan_8to32_tablend; + } + else + { + draw_hspan = ( DRAW_HSPAN * )draw_hspan_8to32_translucent; + } + } + else if ( flags & B_ABLEND ) + { + blend_func = additive_blend32; + draw_hspan = ( DRAW_HSPAN * )draw_hspan_8to32_ablend; + } + else if ( flags & B_SBLEND ) + { + blend_func = substractive_blend32; + draw_hspan = ( DRAW_HSPAN * )draw_hspan_8to32_ablend; + } + else if ( flags & B_NOCOLORKEY ) + { + draw_hspan = ( DRAW_HSPAN * )draw_hspan_8to32_nocolorkey; + } + else + { + draw_hspan = ( DRAW_HSPAN * )draw_hspan_8to32; + } + } + else if ( gr->format->depth == 16 ) + { + if ( flags & B_TRANSLUCENT ) + { + if ( flags & B_ABLEND ) + { + blend_func = additive_blend32; + draw_hspan = ( DRAW_HSPAN * )draw_hspan_16to32_tablend; + } + else if ( flags & B_SBLEND ) + { + blend_func = substractive_blend32; + draw_hspan = ( DRAW_HSPAN * )draw_hspan_16to32_tablend; + } + else + { + draw_hspan = ( DRAW_HSPAN * )draw_hspan_16to32_translucent; + } + } + else if ( flags & B_ABLEND ) + { + blend_func = additive_blend32; + draw_hspan = ( DRAW_HSPAN * )draw_hspan_16to32_ablend; + } + else if ( flags & B_SBLEND ) + { + blend_func = substractive_blend32; + draw_hspan = ( DRAW_HSPAN * )draw_hspan_16to32_ablend; + } + else if ( flags & B_NOCOLORKEY ) + { + draw_hspan = ( DRAW_HSPAN * )draw_hspan_16to32_nocolorkey; + } + else + { + draw_hspan = ( DRAW_HSPAN * )draw_hspan_16to32; + } + } + else if ( gr->format->depth == 32 ) + { + if ( flags & B_TRANSLUCENT ) + { + if ( flags & B_ABLEND ) + { + blend_func = additive_blend32; + draw_hspan = ( DRAW_HSPAN * )draw_hspan_32to32_tablend; + } + else if ( flags & B_SBLEND ) + { + blend_func = substractive_blend32; + draw_hspan = ( DRAW_HSPAN * )draw_hspan_32to32_tablend; + } + else + { + draw_hspan = ( DRAW_HSPAN * )draw_hspan_32to32_translucent; + } + } + else if ( flags & B_ABLEND ) + { + blend_func = additive_blend32; + draw_hspan = ( DRAW_HSPAN * )draw_hspan_32to32_ablend; + } + else if ( flags & B_SBLEND ) + { + blend_func = substractive_blend32; + draw_hspan = ( DRAW_HSPAN * )draw_hspan_32to32_ablend; + } + else if ( flags & B_NOCOLORKEY ) + { + draw_hspan = ( DRAW_HSPAN * )draw_hspan_32to32_nocolorkey; + } + else + { + draw_hspan = ( DRAW_HSPAN * )draw_hspan_32to32; + } + } + else if ( gr->format->depth == 1 ) + { + draw_hspan = ( DRAW_HSPAN * )draw_hspan_1to32; + } + else + { + return ; //Profundidad de color no soportada + } + } + else + { + return ; //Profundidad de color no soportada + } + + /* Calculate the graphic center */ + + if ( gr->ncpoints && gr->cpoints[0].x != CPOINT_UNDEFINED ) + { + center.x = gr->cpoints[0].x ; + center.y = gr->cpoints[0].y ; + } + else + { + center.x = gr->width / 2; + center.y = gr->height / 2; + } + + if ( flags & B_HMIRROR ) center.x = gr->width - 1 - center.x; + if ( flags & B_VMIRROR ) center.y = gr->height - 1 - center.y; + + /* Calculate the initial texture and screen coordinates */ + + x = scrx - center.x; + y = scry - center.y; + p = gr->width; + l = gr->height; + s = t = 0; + + /* Clip the coordinates */ + + if ( y < min.y ) + { + l -= min.y - y; + t += min.y - y; + y = min.y; + } + + if ( y + l - 1 > max.y ) l -= y + l - 1 - max.y ; + + if ( x < min.x ) + { + p -= min.x - x; + s += min.x - x; + x = min.x; + } + + if ( x + p - 1 > max.x ) p -= x + p - 1 - max.x; + + if ( p < 1 || l < 1 ) return; + + /* Mirror the texture coordinates if needed */ + + if ( flags & B_HMIRROR ) s = gr->width - 1 - s; + if ( flags & B_VMIRROR ) t = gr->height - 1 - t; + + /* Calculate the initial pointers and advances */ + + posx = s; + if ( dest->format->depth == 1 ) + scr = ( uint8_t * ) dest->data + dest->pitch * y + x / 8; + else + scr = ( uint8_t * ) dest->data + dest->pitch * y + x * dest->format->depthb; + + //s,t -> x,y para lectura de textura... + if ( gr->format->depth == 1 ) + tex = ( uint8_t * ) gr->data + gr->pitch * t + s / 8; + else + tex = ( uint8_t * ) gr->data + gr->pitch * t + s * gr->format->depthb; + + scr_inc = dest->pitch ; + + + if ( flags & B_VMIRROR ) tex_inc = -gr->pitch; else tex_inc = gr->pitch ; + if ( flags & B_HMIRROR ) direction = -1; else direction = 1; + + if ( p > 0 ) draw_hspan( scr, tex, p, direction, l, scr_inc, tex_inc ); + + dest->info_flags &= ~GI_CLEAN; + dest->modified = 2 ; +} + +/* --------------------------------------------------------------------------- */ diff --git a/modules/libblit/g_blit.h b/modules/libblit/g_blit.h new file mode 100644 index 0000000..2240321 --- /dev/null +++ b/modules/libblit/g_blit.h @@ -0,0 +1,62 @@ +/* + * Copyright © 2006-2013 SplinterGU (Fenix/Bennugd) + * Copyright © 2002-2006 Fenix Team (Fenix) + * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix) + * + * This file is part of Bennu - Game Development + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * + * 3. This notice may not be removed or altered from any source + * distribution. + * + */ + +#ifndef __BLIT_H +#define __BLIT_H + +/* --------------------------------------------------------------------------- */ + +/* Flags para gr_blit */ + +#define B_HMIRROR 0x0001 +#define B_VMIRROR 0x0002 +#define B_TRANSLUCENT 0x0004 +#define B_ALPHA 0x0008 +#define B_ABLEND 0x0010 +#define B_SBLEND 0x0020 +#define B_NOCOLORKEY 0x0080 + +#define B_ALPHA_MASK 0xFF00 +#define B_ALPHA_SHIFT 8 + +/* --------------------------------------------------------------------------- */ + +#ifndef __BGDC__ + +#include "libgrbase.h" + +/* --------------------------------------------------------------------------- */ + +extern void gr_blit( GRAPH * dest, REGION * clip, int x, int y, int flags, GRAPH * gr ) ; +extern void gr_get_bbox( REGION * dest, REGION * clip, int x, int y, int flags, int angle, int scalex, int scaley, GRAPH * gr ) ; +extern void gr_rotated_blit( GRAPH * dest, REGION * clip, int x, int y, int flags, int angle, int scalex, int scaley, GRAPH * gr ) ; + +/* --------------------------------------------------------------------------- */ +#endif + +#endif diff --git a/modules/libblit/g_pixel.c b/modules/libblit/g_pixel.c new file mode 100644 index 0000000..07238c8 --- /dev/null +++ b/modules/libblit/g_pixel.c @@ -0,0 +1,271 @@ +/* + * Copyright © 2006-2016 SplinterGU (Fenix/Bennugd) + * Copyright © 2002-2006 Fenix Team (Fenix) + * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix) + * + * This file is part of Bennu - Game Development + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * + * 3. This notice may not be removed or altered from any source + * distribution. + * + */ + +#include + +#include "libblit.h" + +/* --------------------------------------------------------------------------- */ + +int pixel_color8 = 15 ; +uint16_t pixel_color16 = 0xFFFF ; +uint32_t pixel_color32 = 0xFFFFFFFF ; + +uint16_t pixel_color16_alpha = 0xFFFF ; + +int pixel_alpha = 255; +uint8_t * pixel_alpha8 = NULL ; +uint16_t * pixel_alpha16 = NULL ; + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : gr_get_pixel + * + * Read a pixel from a bitmap + * + * PARAMS : + * dest Destination bitmap + * x, y Pixel coordinates + * + * RETURN VALUE : + * 1, 8 or 16-bit integer with the pixel value + * + */ + +int gr_get_pixel( GRAPH * dest, int x, int y ) +{ + if ( x < 0 || y < 0 || x >= ( int ) dest->width || y >= ( int ) dest->height ) return -1 ; + + switch ( dest->format->depth ) + { + case 1: + return (( *( uint8_t * )( dest->data + dest->pitch * y + ( x >> 3 ) ) ) & ( 0x80 >> ( x & 7 ) ) ) ? 1 : 0; + + case 8: + return *(( uint8_t * ) dest->data + dest->pitch * y + x ) ; + + case 16: + return *( uint16_t * )(( uint8_t * ) dest->data + dest->pitch * y + ( x << 1 ) ) ; + + case 32: + return *( uint32_t * )(( uint8_t * ) dest->data + dest->pitch * y + ( x << 2 ) ) ; + } + return -1; +} + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : gr_put_pixel + * + * Paint a pixel with no clipping whatsoever, except by + * the bitmap's dimensions + * + * PARAMS : + * dest Destination bitmap + * x, y Pixel coordinates + * color 1, 8 or 16-bit pixel value + * + * RETURN VALUE : + * None + * + */ + +void gr_put_pixel( GRAPH * dest, int x, int y, int color ) +{ + if ( x < 0 || y < 0 || x >= ( int ) dest->width || y >= ( int ) dest->height ) return ; + + switch ( dest->format->depth ) + { + case 1: + if ( color ) + *(( uint8_t * ) dest->data + dest->pitch * y + ( x >> 3 ) ) |= ( 0x80 >> ( x & 7 ) ) ; + else + *(( uint8_t * ) dest->data + dest->pitch * y + ( x >> 3 ) ) &= ~( 0x80 >> ( x & 7 ) ) ; + break; + + case 8: + _Pixel8(( uint8_t * ) dest->data + dest->pitch * y + x , color ); + break; + + case 16: + _Pixel16(( uint8_t * ) dest->data + dest->pitch * y + ( x << 1 ), color, gr_alpha16( pixel_alpha )[ color ] ) ; + break; + + case 32: + { + uint32_t * ptr = ( uint32_t * ) (( uint8_t * ) dest->data + dest->pitch * y + ( x << 2 )) ; + + if ( pixel_alpha == 255 && ( color & 0xff000000 ) == 0xff000000 ) + { + *ptr = color ; + } + else + { + unsigned int _f = color & 0xff000000, _f2 ; + unsigned int r, g, b ; + + _f = ( _f >> 24 ) * pixel_alpha / 255 ; + _f2 = 255 - _f ; + + if ( _f != 0x000000ff ) + { + r = ( ( color & 0x00ff0000 ) * _f + (( *ptr & 0x00ff0000 ) * _f2 ) ) >> 8 ; + g = ( ( color & 0x0000ff00 ) * _f + (( *ptr & 0x0000ff00 ) * _f2 ) ) >> 8 ; + b = ( ( color & 0x000000ff ) * _f + (( *ptr & 0x000000ff ) * _f2 ) ) >> 8 ; + + if ( r > 0x00ff0000 ) r = 0x00ff0000 ; else r &= 0x00ff0000 ; + if ( g > 0x0000ff00 ) g = 0x0000ff00 ; else g &= 0x0000ff00 ; + if ( b > 0x000000ff ) b = 0x000000ff ; else b &= 0x000000ff ; + + *ptr = ( _f << 24 ) | r | g | b ; + } + else + { + r = ( ( color & 0x00ff0000 ) * pixel_alpha + (( *ptr & 0x00ff0000 ) * _f2 ) ) >> 8 ; + g = ( ( color & 0x0000ff00 ) * pixel_alpha + (( *ptr & 0x0000ff00 ) * _f2 ) ) >> 8 ; + b = ( ( color & 0x000000ff ) * pixel_alpha + (( *ptr & 0x000000ff ) * _f2 ) ) >> 8 ; + + if ( r > 0x00ff0000 ) r = 0x00ff0000 ; else r &= 0x00ff0000 ; + if ( g > 0x0000ff00 ) g = 0x0000ff00 ; else g &= 0x0000ff00 ; + if ( b > 0x000000ff ) b = 0x000000ff ; else b &= 0x000000ff ; + + *ptr = 0xff000000 | r | g | b ; + } + } + } + break; + } + + if ( color ) + { + dest->modified = 2 ; + dest->info_flags &= ~GI_CLEAN; + } + else + { + dest->modified = 1 ; /* Don't needs analysis */ + dest->info_flags &= ~GI_NOCOLORKEY; + } +} + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : gr_put_pixelc + * + * Paint a pixel using a clipping region + * + * PARAMS : + * dest Destination bitmap + * x, y Pixel coordinates + * color 1, 8 or 16-bit pixel value + * + * RETURN VALUE : + * None + * + */ + +void gr_put_pixelc( GRAPH * dest, REGION * clip, int x, int y, int color ) +{ + if ( clip && x >= clip->x && x <= clip->x2 && y >= clip->y && y <= clip->y2 ) + gr_put_pixel( dest, x, y, color ); +} + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : gr_setcolor + * + * Sets the drawing color + * + * PARAMS : + * alpha New color (16 bits if 16 bits enabled) + * + * RETURN VALUE : + * None + * + */ + +void gr_setcolor( int c ) +{ +/* + int r, g, b; + + if ( c ) + { + if ( sys_pixel_format->depth != 8 ) + { + gr_get_rgb( c, &r, &g, &b ); + pixel_color8 = gr_find_nearest_color( r, g, b ); + } + else + { + + } + } + else + pixel_color8 = 0; +*/ + /* Fix this */ + pixel_color8 = c; + pixel_color16 = c ; + pixel_color32 = c ; + + if ( sys_pixel_format->depth == 16 && pixel_alpha != 255 ) pixel_color16_alpha = gr_alpha16( pixel_alpha )[ pixel_color16 ]; +} + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : gr_setalpha + * + * Sets the drawing alpha value for primitives + * + * PARAMS : + * alpha New alpha (0-255) + * + * RETURN VALUE : + * None + * + */ + +void gr_setalpha( int value ) +{ + value &= 0xFF; + pixel_alpha = value; + + if ( sys_pixel_format->depth == 16 ) + { + pixel_alpha8 = gr_alpha8( value ); + pixel_alpha16 = gr_alpha16( 255 - value ); + pixel_color16_alpha = gr_alpha16( value )[ pixel_color16 ]; + } + else + { + pixel_alpha8 = gr_alpha8( value ); + } +} + +/* --------------------------------------------------------------------------- */ diff --git a/modules/libblit/g_pixel.h b/modules/libblit/g_pixel.h new file mode 100644 index 0000000..07362c3 --- /dev/null +++ b/modules/libblit/g_pixel.h @@ -0,0 +1,67 @@ +/* + * Copyright © 2006-2013 SplinterGU (Fenix/Bennugd) + * Copyright © 2002-2006 Fenix Team (Fenix) + * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix) + * + * This file is part of Bennu - Game Development + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * + * 3. This notice may not be removed or altered from any source + * distribution. + * + */ + +#ifndef __PIXEL_H +#define __PIXEL_H + +/* --------------------------------------------------------------------------- */ + +#include + +/* --------------------------------------------------------------------------- */ + +extern int pixel_color8 ; +extern uint16_t pixel_color16 ; +extern uint32_t pixel_color32 ; + +extern uint16_t pixel_color16_alpha ; + +extern int pixel_alpha ; +extern uint8_t * pixel_alpha8 ; +extern uint16_t * pixel_alpha16 ; + +/* --------------------------------------------------------------------------- */ +/* Pixels */ +/* ------ */ + +/* --------------------------------------------------------------------------- */ + +#define _Pixel8(ptr,color) * ((uint8_t *)(ptr)) = (( pixel_alpha == 255 ) ? (color) : (pixel_alpha8[(uint8_t)(((color) << 8) + *(ptr))])) +#define _Pixel16(ptr,color,color_alpha) * ((uint16_t *)(ptr)) = (( pixel_alpha == 255 ) ? (color) : (pixel_alpha16[(uint16_t)*(ptr)] + (color_alpha))) +#define _Pixel32(ptr,color) * ((uint32_t *)(ptr)) = (( pixel_alpha == 255 ) ? (color) : (color)) + +/* --------------------------------------------------------------------------- */ + +extern int gr_get_pixel( GRAPH * dest, int x, int y ); +extern void gr_put_pixel( GRAPH * dest, int x, int y, int color ); +extern void gr_put_pixelc( GRAPH * dest, REGION * clip, int x, int y, int color ); +extern void gr_setalpha( int value ); +extern void gr_setcolor( int c ); + +/* --------------------------------------------------------------------------- */ +#endif diff --git a/modules/libblit/libblit.c b/modules/libblit/libblit.c new file mode 100644 index 0000000..7927fde --- /dev/null +++ b/modules/libblit/libblit.c @@ -0,0 +1,37 @@ +/* + * Copyright © 2006-2016 SplinterGU (Fenix/Bennugd) + * Copyright © 2002-2006 Fenix Team (Fenix) + * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix) + * + * This file is part of Bennu - Game Development + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * + * 3. This notice may not be removed or altered from any source + * distribution. + * + */ + +/* --------------------------------------------------------------------------- */ +/* exports */ +/* --------------------------------------------------------------------------- */ + +#include "libblit.h" + +#include "libblit_exports.h" + +/* --------------------------------------------------------------------------- */ diff --git a/modules/libblit/libblit.h b/modules/libblit/libblit.h new file mode 100644 index 0000000..e63ec63 --- /dev/null +++ b/modules/libblit/libblit.h @@ -0,0 +1,37 @@ +/* + * Copyright © 2006-2013 SplinterGU (Fenix/Bennugd) + * Copyright © 2002-2006 Fenix Team (Fenix) + * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix) + * + * This file is part of Bennu - Game Development + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * + * 3. This notice may not be removed or altered from any source + * distribution. + * + */ + +#ifndef __LIBBLIT_H +#define __LIBBLIT_H + +#include "libgrbase.h" + +#include "g_blit.h" +#include "g_pixel.h" + +#endif diff --git a/modules/libblit/libblit_exports.h b/modules/libblit/libblit_exports.h new file mode 100644 index 0000000..171f29b --- /dev/null +++ b/modules/libblit/libblit_exports.h @@ -0,0 +1,61 @@ +/* + * Copyright © 2006-2013 SplinterGU (Fenix/Bennugd) + * Copyright © 2002-2006 Fenix Team (Fenix) + * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix) + * + * This file is part of Bennu - Game Development + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * + * 3. This notice may not be removed or altered from any source + * distribution. + * + */ + +#ifndef __LIBBLIT_EXPORTS +#define __LIBBLIT_EXPORTS + +/* --------------------------------------------------------------------------- */ + +#if defined(__BGDC__) || !defined(__STATIC__) + +/* --------------------------------------------------------------------------- */ + +#include "bgddl.h" +#include "g_blit.h" + +/* --------------------------------------------------------------------------- */ + +DLCONSTANT __bgdexport( libblit, constants_def )[] = +{ + /* Flags para gr_blit */ + { "B_HMIRROR" , TYPE_DWORD, B_HMIRROR }, + { "B_VMIRROR" , TYPE_DWORD, B_VMIRROR }, + { "B_TRANSLUCENT" , TYPE_DWORD, B_TRANSLUCENT }, + { "B_ALPHA" , TYPE_DWORD, B_ALPHA }, + { "B_ABLEND" , TYPE_DWORD, B_ABLEND }, + { "B_SBLEND" , TYPE_DWORD, B_SBLEND }, + { "B_NOCOLORKEY" , TYPE_DWORD, B_NOCOLORKEY }, + + { NULL , 0 , 0 } +} ; + +/* --------------------------------------------------------------------------- */ + +#endif + +#endif -- cgit v1.2.3