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Minor bugfixes. testshape now draws a shaped window with bizarre, pixellated gashes of transparency across it, and in doing so seems to hog a system resource and slow the rest of the video system down.

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This commit is contained in:
Eli Gottlieb 2010-07-18 23:05:40 -04:00
parent 4922edee74
commit 70ad6fd4e9
4 changed files with 23 additions and 49 deletions
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45
test/testshape.c
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@ -27,8 +27,8 @@ int main(int argc,char** argv) {
for(i=0;i<num_pictures;i++)
pictures[i] = NULL;
for(i=0;i<num_pictures;i++) {
SDL_Surface *original = SDL_LoadBMP(argv[i+1]);
if(original == NULL) {
pictures[i] = SDL_LoadBMP(argv[i+1]);
if(pictures[i] == NULL) {
int j = 0;
for(j=0;j<num_pictures;j++)
if(pictures[j] != NULL)
@ -38,43 +38,6 @@ int main(int argc,char** argv) {
printf("Could not load surface from named bitmap file.\n");
exit(-3);
}
//THIS CONVERSION ROUTINE IS FRAGILE! It relies in the fact that only certain portions of the format structure must be filled in to use it.
SDL_PixelFormat format = {NULL,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
int bpp = 0;
SDL_PixelFormatEnumToMasks(SDL_PIXELFORMAT_RGBA8888,&bpp,&format.Rmask,&format.Gmask,&format.Bmask,&format.Amask);
format.BitsPerPixel = bpp;
format.BytesPerPixel = format.BitsPerPixel / 8 + (format.BitsPerPixel % 8 > 0 ? 1 : 0);
pictures[i] = SDL_ConvertSurface(original,&format,0);
//We have no more need of the original now that we have our desired format.
SDL_FreeSurface(original);
if(pictures[i] == NULL) {
int j = 0;
for(j=0;j<num_pictures;j++)
if(pictures[j] != NULL)
SDL_FreeSurface(pictures[j]);
free(pictures);
SDL_VideoQuit();
printf("Could not convert bitmap surface to desired format.\n");
exit(-3);
}
if(SDL_MUSTLOCK(pictures[i]))
SDL_LockSurface(pictures[i]);
void* pixels = pictures[i]->pixels;
unsigned int pitch = pictures[i]->pitch;
int y =0,x = 0;
for(y=0;y<pictures[i]->h;y++)
for(x=0;x<pictures[i]->w;x++) {
Uint32* pixel = pixels + y * pitch + x * pictures[i]->format->BytesPerPixel;
Uint8 r = 0,g = 0,b = 0;
SDL_GetRGB(*pixel,pictures[i]->format,&r,&g,&b);
//if(r == g == b == 0xff)
// *pixel = SDL_MapRGBA(pictures[i]->format,r,g,b,0);
}
if(SDL_MUSTLOCK(pictures[i]))
SDL_UnlockSurface(pictures[i]);
}
SDL_Window *window = SDL_CreateShapedWindow("SDL_Shape test",SHAPED_WINDOW_X,SHAPED_WINDOW_Y,SHAPED_WINDOW_DIMENSION,SHAPED_WINDOW_DIMENSION,SDL_WINDOW_RESIZABLE | SDL_WINDOW_SHOWN);
@ -123,12 +86,12 @@ int main(int argc,char** argv) {
event_pending = SDL_PollEvent(&event);
unsigned int current_picture = 0;
SDL_WindowShapeMode mode = {ShapeModeDefault,1};
SDL_SetWindowShape(window,pictures[current_picture],&mode);
int mouse_down = 0;
Uint32 format,access;
Uint32 format = 0,access = 0;
SDL_Rect texture_dimensions = {0,0,0,0};
SDL_QueryTexture(textures[current_picture],&format,&access,&texture_dimensions.w,&texture_dimensions.h);
SDL_SetWindowSize(window,texture_dimensions.w,texture_dimensions.h);
SDL_SetWindowShape(window,pictures[current_picture],&mode);
while(should_exit == 0) {
event_pending = SDL_PollEvent(&event);
if(event_pending == 1) {