DRAWABLE
_request_drawable (COUNT NumFrames, DRAWABLE_TYPE DrawableType,
CREATE_FLAGS flags, SIZE width, SIZE height)
{
DRAWABLE Drawable;
Drawable = AllocDrawableImage (
NumFrames, DrawableType, flags, width, height
);
if (Drawable)
{
int imgw, imgh;
FRAME FramePtr;
Drawable->Flags = flags;
Drawable->MaxIndex = NumFrames - 1;
imgw = width;
imgh = height;
FramePtr = &Drawable->Frame[NumFrames - 1];
while (NumFrames--)
{
TFB_Image *Image;
if (DrawableType == RAM_DRAWABLE && imgw > 0 && imgh > 0
&& (Image = TFB_DrawImage_New (TFB_DrawCanvas_New_TrueColor (
imgw, imgh, (flags & WANT_ALPHA) ? TRUE : FALSE))))
{
FramePtr->image = Image;
}
FramePtr->Type = DrawableType;
FramePtr->Index = NumFrames;
SetFrameBounds (FramePtr, width, height);
--FramePtr;
}
}
return (Drawable);
}
static void
process_image (FRAME FramePtr, TFB_Canvas img[], AniData *ani, int cel_ct)
{
TFB_Image *tfbimg;
int hx, hy;
FramePtr->Type = ROM_DRAWABLE;
FramePtr->Index = cel_ct;
// handle transparency cases
if (TFB_DrawCanvas_IsPaletted (img[cel_ct]))
{ // indexed color image
if (ani[cel_ct].transparent_color >= 0)
{
TFB_DrawCanvas_SetTransparentIndex (img[cel_ct],
ani[cel_ct].transparent_color, FALSE);
}
}
else
{ // special transparency cases for truecolor images
if (ani[cel_ct].transparent_color == 0)
{ // make RGB=0,0,0 transparent
Color color = {0, 0, 0, 0};
TFB_DrawCanvas_SetTransparentColor (img[cel_ct], color, FALSE);
}
}
if (ani[cel_ct].transparent_color == -1)
{ // enforce -1 to mean 'no transparency'
TFB_DrawCanvas_SetTransparentIndex (img[cel_ct], -1, FALSE);
// set transparent_color == -2 to use PNG tRNS transparency
}
hx = ani[cel_ct].hotspot_x;
hy = ani[cel_ct].hotspot_y;
FramePtr->image = TFB_DrawImage_New (img[cel_ct]);
tfbimg = FramePtr->image;
tfbimg->colormap_index = ani[cel_ct].colormap_index;
img[cel_ct] = tfbimg->NormalImg;
FramePtr->HotSpot = MAKE_HOT_SPOT (hx, hy);
SetFrameBounds (FramePtr, tfbimg->extent.width, tfbimg->extent.height);
#ifdef CLIPDEBUG
{
/* for debugging clipping:
draws white (or most matching color from palette) pixels to
every corner of the image
*/
Color color = {0xff, 0xff, 0xff, 0xff};
RECT r = {{0, 0}, {1, 1}};
if (tfbimg->extent.width > 2 && tfbimg->extent.height > 2)
{
TFB_DrawImage_Rect (&r, color, tfbimg);
r.corner.x = tfbimg->extent.width - 1;
TFB_DrawImage_Rect (&r, color, tfbimg);
r.corner.y = tfbimg->extent.height - 1;
TFB_DrawImage_Rect (&r, color, tfbimg);
r.corner.x = 0;
TFB_DrawImage_Rect (&r, color, tfbimg);
}
}
#endif
}
static void
process_image (FRAME FramePtr, SDL_Surface *img[], AniData *ani, int cel_ct)
{
TFB_Image *tfbimg;
int hx, hy;
FramePtr->Type = ROM_DRAWABLE;
FramePtr->Index = cel_ct;
// handle transparency cases
if (img[cel_ct]->format->palette)
{ // indexed color image
if (ani[cel_ct].transparent_color >= 0)
SDL_SetColorKey (img[cel_ct], SDL_SRCCOLORKEY,
ani[cel_ct].transparent_color);
}
else if (img[cel_ct]->format->BitsPerPixel > 8)
{ // special transparency cases for truecolor images
if (ani[cel_ct].transparent_color == 0)
// make RGB=0,0,0 transparent
SDL_SetColorKey (img[cel_ct], SDL_SRCCOLORKEY,
SDL_MapRGBA (img[cel_ct]->format, 0, 0, 0, 0));
}
if (ani[cel_ct].transparent_color == -1)
{ // enforce -1 to mean 'no transparency'
SDL_SetColorKey (img[cel_ct], 0, 0);
// set transparent_color == -2 to use PNG tRNS transparency
}
hx = ani[cel_ct].hotspot_x;
hy = ani[cel_ct].hotspot_y;
FramePtr->image = TFB_DrawImage_New (img[cel_ct]);
tfbimg = FramePtr->image;
tfbimg->colormap_index = ani[cel_ct].colormap_index;
img[cel_ct] = (SDL_Surface *)tfbimg->NormalImg;
FramePtr->HotSpot = MAKE_HOT_SPOT (hx, hy);
SetFrameBounds (FramePtr, img[cel_ct]->w, img[cel_ct]->h);
#ifdef CLIPDEBUG
{
/* for debugging clipping:
draws white (or most matching color from palette) pixels to
every corner of the image
*/
Uint32 color = SDL_MapRGB (img[cel_ct]->format, 255, 255, 255);
SDL_Rect r = {0, 0, 1, 1};
if (img[cel_ct]->w > 2 && img[cel_ct]->h > 2)
{
SDL_FillRect (img[cel_ct], &r, color);
r.x = img[cel_ct]->w - 1;
SDL_FillRect (img[cel_ct], &r, color);
r.y = img[cel_ct]->h - 1;
SDL_FillRect (img[cel_ct], &r, color);
r.x = 0;
SDL_FillRect (img[cel_ct], &r, color);
}
}
#endif
}
