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comparison src/video/SDL_shape.c @ 4796:e8caf178d082

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Added in Visual Studio patch.
author Eli Gottlieb <eligottlieb@gmail.com>
date Thu, 15 Jul 2010 01:41:38 -0400
parents 6f0bc179771c
children a0e096916474
comparison
equal deleted inserted replaced
4795:6f0bc179771c 4796:e8caf178d082
28 #include "SDL_surface.h" 28 #include "SDL_surface.h"
29 #include "SDL_shape.h" 29 #include "SDL_shape.h"
30 30
31 SDL_Window* SDL_CreateShapedWindow(const char *title,unsigned int x,unsigned int y,unsigned int w,unsigned int h,Uint32 flags) { 31 SDL_Window* SDL_CreateShapedWindow(const char *title,unsigned int x,unsigned int y,unsigned int w,unsigned int h,Uint32 flags) {
32 SDL_Window *result = SDL_CreateWindow(title,x,y,w,h,SDL_WINDOW_BORDERLESS | flags & !SDL_WINDOW_FULLSCREEN & !SDL_WINDOW_SHOWN); 32 SDL_Window *result = SDL_CreateWindow(title,x,y,w,h,SDL_WINDOW_BORDERLESS | flags & !SDL_WINDOW_FULLSCREEN & !SDL_WINDOW_SHOWN);
33 result->shaper = result->display->device->shape_driver.CreateShaper(result); 33 if(result != NULL) {
34 result->shaper->usershownflag = flags & SDL_WINDOW_SHOWN; 34 result->shaper = result->display->device->shape_driver.CreateShaper(result);
35 result->shaper->alphacutoff = 1; 35 if(result->shaper != NULL) {
36 result->shaper->hasshape = SDL_FALSE; 36 result->shaper->usershownflag = flags & SDL_WINDOW_SHOWN;
37 return result; 37 result->shaper->alphacutoff = 1;
38 result->shaper->hasshape = SDL_FALSE;
39 return result;
40 }
41 else {
42 SDL_DestroyWindow(result);
43 return NULL;
44 }
45 }
46 else
47 return NULL;
38 } 48 }
39 49
40 SDL_bool SDL_IsShapedWindow(const SDL_Window *window) { 50 SDL_bool SDL_IsShapedWindow(const SDL_Window *window) {
41 if(window == NULL) 51 if(window == NULL)
42 return SDL_FALSE; 52 return SDL_FALSE;
53 Uint32 bitmap_pixel; 63 Uint32 bitmap_pixel;
54 if(SDL_MUSTLOCK(shape)) 64 if(SDL_MUSTLOCK(shape))
55 SDL_LockSurface(shape); 65 SDL_LockSurface(shape);
56 for(x = 0;x<shape->w;x++) 66 for(x = 0;x<shape->w;x++)
57 for(y = 0;y<shape->h;y++) { 67 for(y = 0;y<shape->h;y++) {
58 pixel = shape->pixels + (y*shape->pitch) + (x*shape->format->BytesPerPixel); 68 pixel = (Uint8 *)(shape->pixels) + (y*shape->pitch) + (x*shape->format->BytesPerPixel);
59 alpha = 0; 69 alpha = 0;
60 SDL_GetRGBA(*(Uint32*)pixel,shape->format,&r,&g,&b,&alpha); 70 SDL_GetRGBA(*(Uint32*)pixel,shape->format,&r,&g,&b,&alpha);
61 Uint32 bitmap_pixel = y*shape->w + x; 71 bitmap_pixel = y*shape->w + x;
62 bitmap[bitmap_pixel / ppb] |= (alpha >= alphacutoff ? value : 0) << ((ppb - 1) - (bitmap_pixel % ppb)); 72 bitmap[bitmap_pixel / ppb] |= (alpha >= alphacutoff ? value : 0) << ((ppb - 1) - (bitmap_pixel % ppb));
63 } 73 }
64 if(SDL_MUSTLOCK(shape)) 74 if(SDL_MUSTLOCK(shape))
65 SDL_UnlockSurface(shape); 75 SDL_UnlockSurface(shape);
66 } 76 }