//Copyright Paul Reiche, Fred Ford. 1992-2002

/*
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#ifndef TFB_DRAW_H
#define TFB_DRAW_H

#include "libs/threadlib.h"


typedef void *TFB_Canvas;

typedef enum {
	TFB_SCREEN_MAIN,
	TFB_SCREEN_EXTRA,
	TFB_SCREEN_TRANSITION,

	TFB_GFX_NUMSCREENS
} SCREEN;

#include "libs/graphics/gfx_common.h"
#include "libs/graphics/cmap.h"

typedef struct tfb_image
{
	TFB_Canvas NormalImg;
	TFB_Canvas ScaledImg;
	TFB_Canvas MipmapImg;
	TFB_Canvas FilledImg;
	int colormap_index;
	int colormap_version;
	HOT_SPOT NormalHs;
	HOT_SPOT MipmapHs;
	HOT_SPOT last_scale_hs;
	int last_scale;
	int last_scale_type;
	Color last_fill;
	EXTENT extent;
	Mutex mutex;
	BOOLEAN dirty;
} TFB_Image;

typedef struct tfb_char
{
	EXTENT extent;
	EXTENT disp;
		// Display extent
	HOT_SPOT HotSpot;
	BYTE* data;
	DWORD pitch;
		// Pitch is for storing all chars of a page
		// in one rectangular pixel matrix
} TFB_Char;

// we do not support paletted format for now
typedef struct tfb_pixelformat
{
	int BitsPerPixel;
	int BytesPerPixel;
	DWORD Rmask, Gmask, Bmask, Amask;
	DWORD Rshift, Gshift, Bshift, Ashift;
	DWORD Rloss, Gloss, Bloss, Aloss;
} TFB_PixelFormat;

// Drawing commands

void TFB_DrawScreen_Line (int x1, int y1, int x2, int y2, Color color,
		DrawMode, SCREEN dest);
void TFB_DrawScreen_Rect (RECT *rect, Color, DrawMode, SCREEN dest);
void TFB_DrawScreen_Image (TFB_Image *img, int x, int y, int scale,
		int scaleMode, TFB_ColorMap *, DrawMode, SCREEN dest);
void TFB_DrawScreen_Copy (const RECT *r, SCREEN src, SCREEN dest);
void TFB_DrawScreen_FilledImage (TFB_Image *img, int x, int y, int scale,
		int scaleMode, Color, DrawMode, SCREEN dest);
void TFB_DrawScreen_FontChar (TFB_Char *, TFB_Image *backing, int x, int y,
		DrawMode, SCREEN dest);

void TFB_DrawScreen_CopyToImage (TFB_Image *img, const RECT *r, SCREEN src);
void TFB_DrawScreen_SetMipmap (TFB_Image *img, TFB_Image *mmimg, int hotx,
		int hoty);
void TFB_DrawScreen_DeleteImage (TFB_Image *img);
void TFB_DrawScreen_DeleteData (void *);
void TFB_DrawScreen_WaitForSignal (void);
void TFB_DrawScreen_ReinitVideo (int driver, int flags, int width, int height);
void TFB_DrawScreen_Callback (void (*callback) (void *arg), void *arg);

TFB_Image *TFB_DrawImage_New (TFB_Canvas canvas);
TFB_Image *TFB_DrawImage_CreateForScreen (int w, int h, BOOLEAN withalpha);
TFB_Image *TFB_DrawImage_New_Rotated (TFB_Image *img, int angle);
void TFB_DrawImage_SetMipmap (TFB_Image *img, TFB_Image *mmimg, int hotx,
		int hoty);
void TFB_DrawImage_Delete (TFB_Image *image);
void TFB_DrawImage_FixScaling (TFB_Image *image, int target, int type);
BOOLEAN TFB_DrawImage_Intersect (TFB_Image *img1, POINT img1org,
		TFB_Image *img2, POINT img2org, const RECT *interRect);
void TFB_DrawImage_CopyRect (TFB_Image *source, const RECT *srcRect,
		TFB_Image *target, POINT dstPt);

void TFB_DrawImage_Line (int x1, int y1, int x2, int y2, Color color,
		DrawMode, TFB_Image *target);
void TFB_DrawImage_Rect (RECT *rect, Color, DrawMode, TFB_Image *target);
void TFB_DrawImage_Image (TFB_Image *img, int x, int y, int scale,
		int scaleMode, TFB_ColorMap *, DrawMode, TFB_Image *target);
void TFB_DrawImage_FilledImage (TFB_Image *img, int x, int y, int scale,
		int scaleMode, Color, DrawMode, TFB_Image *target);
void TFB_DrawImage_FontChar (TFB_Char *, TFB_Image *backing, int x, int y,
		DrawMode, TFB_Image *target);

TFB_Canvas TFB_DrawCanvas_LoadFromFile (void *dir, const char *fileName);
TFB_Canvas TFB_DrawCanvas_New_TrueColor (int w, int h, BOOLEAN hasalpha);
TFB_Canvas TFB_DrawCanvas_New_ForScreen (int w, int h, BOOLEAN withalpha);
TFB_Canvas TFB_DrawCanvas_New_Paletted (int w, int h, Color palette[256],
		int transparent_index);
TFB_Canvas TFB_DrawCanvas_New_ScaleTarget (TFB_Canvas canvas,
		TFB_Canvas oldcanvas, int type, int last_type);
TFB_Canvas TFB_DrawCanvas_New_RotationTarget (TFB_Canvas src, int angle);
TFB_Canvas TFB_DrawCanvas_ToScreenFormat (TFB_Canvas canvas);
BOOLEAN TFB_DrawCanvas_IsPaletted (TFB_Canvas canvas);
void TFB_DrawCanvas_Rescale_Nearest (TFB_Canvas src, TFB_Canvas dst,
		int scale, HOT_SPOT* src_hs, EXTENT* size, HOT_SPOT* dst_hs);
void TFB_DrawCanvas_Rescale_Bilinear (TFB_Canvas src, TFB_Canvas dst,
		int scale, HOT_SPOT* src_hs, EXTENT* size, HOT_SPOT* dst_hs);
void TFB_DrawCanvas_Rescale_Trilinear (TFB_Canvas src, TFB_Canvas mipmap,
		TFB_Canvas dst, int scale, HOT_SPOT* src_hs, HOT_SPOT* mm_hs,
		EXTENT* size, HOT_SPOT* dst_hs);
void TFB_DrawCanvas_GetScaledExtent (TFB_Canvas src_canvas, HOT_SPOT* src_hs,
		TFB_Canvas src_mipmap, HOT_SPOT* mm_hs,
		int scale, int type, EXTENT *size, HOT_SPOT *hs);
void TFB_DrawCanvas_Rotate (TFB_Canvas src, TFB_Canvas dst, int angle,
		EXTENT size);
void TFB_DrawCanvas_GetRotatedExtent (TFB_Canvas src, int angle, EXTENT *size);
void TFB_DrawCanvas_GetExtent (TFB_Canvas canvas, EXTENT *size);
void TFB_DrawCanvas_SetClipRect (TFB_Canvas canvas, const RECT *clipRect);

void TFB_DrawCanvas_Delete (TFB_Canvas canvas);

void TFB_DrawCanvas_Line (int x1, int y1, int x2, int y2, Color color,
		DrawMode, TFB_Canvas target);
void TFB_DrawCanvas_Rect (RECT *rect, Color, DrawMode, TFB_Canvas target);
void TFB_DrawCanvas_Image (TFB_Image *img, int x, int y, int scale,
		int scaleMode, TFB_ColorMap *, DrawMode, TFB_Canvas target);
void TFB_DrawCanvas_FilledImage (TFB_Image *img, int x, int y, int scale,
		int scaleMode, Color, DrawMode, TFB_Canvas target);
void TFB_DrawCanvas_FontChar (TFB_Char *, TFB_Image *backing, int x, int y,
		DrawMode, TFB_Canvas target);
void TFB_DrawCanvas_CopyRect (TFB_Canvas source, const RECT *srcRect,
		TFB_Canvas target, POINT dstPt);

BOOLEAN TFB_DrawCanvas_GetFontCharData (TFB_Canvas canvas, BYTE *outData,
		unsigned dataPitch);
Color *TFB_DrawCanvas_ExtractPalette (TFB_Canvas canvas);
void TFB_DrawCanvas_SetPalette (TFB_Canvas target, Color palette[256]);
int TFB_DrawCanvas_GetTransparentIndex (TFB_Canvas canvas);
void TFB_DrawCanvas_SetTransparentIndex (TFB_Canvas canvas, int i,
		BOOLEAN rleaccel);
BOOLEAN TFB_DrawCanvas_GetTransparentColor (TFB_Canvas canvas,
		Color *color);
void TFB_DrawCanvas_SetTransparentColor (TFB_Canvas canvas,
		Color color, BOOLEAN rleaccel);
void TFB_DrawCanvas_CopyTransparencyInfo (TFB_Canvas src, TFB_Canvas dst);
void TFB_DrawCanvas_Initialize (void);
void TFB_DrawCanvas_Lock (TFB_Canvas canvas);
void TFB_DrawCanvas_Unlock (TFB_Canvas canvas);
void TFB_DrawCanvas_GetScreenFormat (TFB_PixelFormat *fmt);
int TFB_DrawCanvas_GetStride (TFB_Canvas canvas);
void *TFB_DrawCanvas_GetLine (TFB_Canvas canvas, int line);
Color TFB_DrawCanvas_GetPixel (TFB_Canvas canvas, int x, int y);
BOOLEAN TFB_DrawCanvas_Intersect (TFB_Canvas canvas1, POINT c1org,
		TFB_Canvas canvas2, POINT c2org, const RECT *interRect);

BOOLEAN TFB_DrawCanvas_GetPixelColors (TFB_Canvas, Color *pixels,
		int width, int height);
BOOLEAN TFB_DrawCanvas_SetPixelColors (TFB_Canvas, const Color *pixels,
		int width, int height);
BOOLEAN TFB_DrawCanvas_GetPixelIndexes (TFB_Canvas, BYTE *data,
		int width, int height);
BOOLEAN TFB_DrawCanvas_SetPixelIndexes (TFB_Canvas, const BYTE *data,
		int width, int height);

const char *TFB_DrawCanvas_GetError (void);

TFB_Canvas TFB_GetScreenCanvas (SCREEN screen);

#endif