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// Copyright Michael Martin, 2003
/*
* 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.
*/
/* The original Primitive routines do various elaborate checks to
* ensure we're within bounds for the clipping. Since clipping is
* handled by the underlying TFB_Canvas implementation, we need not
* worry about this. */
#include "gfxintrn.h"
#include "gfx_common.h"
#include "tfb_draw.h"
#include "tfb_prim.h"
#include "cmap.h"
#include "libs/log.h"
void
TFB_Prim_Point (POINT *p, Color color, DrawMode mode, POINT ctxOrigin)
{
RECT r;
// The caller must scale the origin!
r.corner.x = p->x + ctxOrigin.x;
r.corner.y = p->y + ctxOrigin.y;
r.extent.width = r.extent.height = 1;
if (_CurFramePtr->Type == SCREEN_DRAWABLE)
TFB_DrawScreen_Rect (&r, color, mode, TFB_SCREEN_MAIN);
else
TFB_DrawImage_Rect (&r, color, mode, _CurFramePtr->image);
}
void
TFB_Prim_Rect (RECT *r, Color color, DrawMode mode, POINT ctxOrigin)
{
RECT arm;
int gscale;
// XXX: Rect prim scaling is currently unused
// We scale the rect size just to be consistent with stamp prim,
// which does same. The caller must scale the origin!
gscale = GetGraphicScale ();
arm = *r;
arm.extent.width = r->extent.width;
arm.extent.height = 1;
TFB_Prim_FillRect (&arm, color, mode, ctxOrigin);
arm.extent.height = r->extent.height;
arm.extent.width = 1;
TFB_Prim_FillRect (&arm, color, mode, ctxOrigin);
// rounding error correction here
arm.corner.x += ((r->extent.width * gscale + (GSCALE_IDENTITY >> 1))
/ GSCALE_IDENTITY) - 1;
TFB_Prim_FillRect (&arm, color, mode, ctxOrigin);
arm.corner.x = r->corner.x;
arm.corner.y += ((r->extent.height * gscale + (GSCALE_IDENTITY >> 1))
/ GSCALE_IDENTITY) - 1;
arm.extent.width = r->extent.width;
arm.extent.height = 1;
TFB_Prim_FillRect (&arm, color, mode, ctxOrigin);
}
void
TFB_Prim_FillRect (RECT *r, Color color, DrawMode mode, POINT ctxOrigin)
{
RECT rect;
int gscale;
rect.corner.x = r->corner.x + ctxOrigin.x;
rect.corner.y = r->corner.y + ctxOrigin.y;
rect.extent.width = r->extent.width;
rect.extent.height = r->extent.height;
// XXX: Rect prim scaling is currently unused
// We scale the rect size just to be consistent with stamp prim,
// which does same. The caller must scale the origin!
gscale = GetGraphicScale ();
if (gscale != GSCALE_IDENTITY)
{ // rounding error correction here
rect.extent.width = (rect.extent.width * gscale
+ (GSCALE_IDENTITY >> 1)) / GSCALE_IDENTITY;
rect.extent.height = (rect.extent.height * gscale
+ (GSCALE_IDENTITY >> 1)) / GSCALE_IDENTITY;
}
if (_CurFramePtr->Type == SCREEN_DRAWABLE)
TFB_DrawScreen_Rect (&rect, color, mode, TFB_SCREEN_MAIN);
else
TFB_DrawImage_Rect (&rect, color, mode, _CurFramePtr->image);
}
void
TFB_Prim_Line (LINE *line, Color color, DrawMode mode, POINT ctxOrigin)
{
int x1, y1, x2, y2;
// The caller must scale the origins!
x1=line->first.x + ctxOrigin.x;
y1=line->first.y + ctxOrigin.y;
x2=line->second.x + ctxOrigin.x;
y2=line->second.y + ctxOrigin.y;
if (_CurFramePtr->Type == SCREEN_DRAWABLE)
TFB_DrawScreen_Line (x1, y1, x2, y2, color, mode, TFB_SCREEN_MAIN);
else
TFB_DrawImage_Line (x1, y1, x2, y2, color, mode, _CurFramePtr->image);
}
void
TFB_Prim_Stamp (STAMP *stmp, DrawMode mode, POINT ctxOrigin)
{
int x, y;
FRAME SrcFramePtr;
TFB_Image *img;
TFB_ColorMap *cmap = NULL;
SrcFramePtr = stmp->frame;
if (!SrcFramePtr)
{
log_add (log_Warning, "TFB_Prim_Stamp: Tried to draw a NULL frame"
" (Stamp address = %p)", (void *) stmp);
return;
}
img = SrcFramePtr->image;
if (!img)
{
log_add (log_Warning, "Non-existent image to TFB_Prim_Stamp()");
return;
}
LockMutex (img->mutex);
img->NormalHs = SrcFramePtr->HotSpot;
// We scale the image size here, but the caller must scale the origin!
x = stmp->origin.x + ctxOrigin.x;
y = stmp->origin.y + ctxOrigin.y;
if (TFB_DrawCanvas_IsPaletted(img->NormalImg) && img->colormap_index != -1)
{
// returned cmap is addrefed, must release later
cmap = TFB_GetColorMap (img->colormap_index);
}
UnlockMutex (img->mutex);
if (_CurFramePtr->Type == SCREEN_DRAWABLE)
{
TFB_DrawScreen_Image (img, x, y, GetGraphicScale (),
GetGraphicScaleMode (), cmap, mode, TFB_SCREEN_MAIN);
}
else
{
TFB_DrawImage_Image (img, x, y, GetGraphicScale (),
GetGraphicScaleMode (), cmap, mode, _CurFramePtr->image);
}
}
void
TFB_Prim_StampFill (STAMP *stmp, Color color, DrawMode mode, POINT ctxOrigin)
{
int x, y;
FRAME SrcFramePtr;
TFB_Image *img;
SrcFramePtr = stmp->frame;
if (!SrcFramePtr)
{
log_add (log_Warning, "TFB_Prim_StampFill: Tried to draw a NULL frame"
" (Stamp address = %p)", (void *) stmp);
return;
}
img = SrcFramePtr->image;
if (!img)
{
log_add (log_Warning, "Non-existent image to TFB_Prim_StampFill()");
return;
}
LockMutex (img->mutex);
img->NormalHs = SrcFramePtr->HotSpot;
// We scale the image size here, but the caller must scale the origin!
x = stmp->origin.x + ctxOrigin.x;
y = stmp->origin.y + ctxOrigin.y;
UnlockMutex (img->mutex);
if (_CurFramePtr->Type == SCREEN_DRAWABLE)
{
TFB_DrawScreen_FilledImage (img, x, y, GetGraphicScale (),
GetGraphicScaleMode (), color, mode, TFB_SCREEN_MAIN);
}
else
{
TFB_DrawImage_FilledImage (img, x, y, GetGraphicScale (),
GetGraphicScaleMode (), color, mode, _CurFramePtr->image);
}
}
void
TFB_Prim_FontChar (POINT charOrigin, TFB_Char *fontChar, TFB_Image *backing,
DrawMode mode, POINT ctxOrigin)
{
int x, y;
// Text prim does not scale
x = charOrigin.x + ctxOrigin.x;
y = charOrigin.y + ctxOrigin.y;
if (_CurFramePtr->Type == SCREEN_DRAWABLE)
{
TFB_DrawScreen_FontChar (fontChar, backing, x, y, mode,
TFB_SCREEN_MAIN);
}
else
{
TFB_DrawImage_FontChar (fontChar, backing, x, y, mode,
_CurFramePtr->image);
}
}
// Text rendering is in font.c, under the name _text_blt
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