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comparison src/video/win32/SDL_win32shape.c @ 4822:55f32099a4b5

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Worked on Windows implementation and the quad-trees.
author egottlieb
date Mon, 02 Aug 2010 01:54:59 -0400
parents 93402b9dd20c
children 2e446923c9fb 1f9915666afd
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4821:1fd1b7a2ba8b 4822:55f32099a4b5
28 SDL_WindowShaper* result = (SDL_WindowShaper *)SDL_malloc(sizeof(SDL_WindowShaper)); 28 SDL_WindowShaper* result = (SDL_WindowShaper *)SDL_malloc(sizeof(SDL_WindowShaper));
29 result->window = window; 29 result->window = window;
30 result->mode.mode = ShapeModeDefault; 30 result->mode.mode = ShapeModeDefault;
31 result->mode.parameters.binarizationCutoff = 1; 31 result->mode.parameters.binarizationCutoff = 1;
32 result->usershownflag = 0; 32 result->usershownflag = 0;
33 result->driverdata = (SDL_ShapeData*)SDL_malloc(sizeof(SDL_ShapeData));
34 ((SDL_ShapeData*)result->driverdata)->mask_tree = NULL;
33 //Put some driver-data here. 35 //Put some driver-data here.
34 window->shaper = result; 36 window->shaper = result;
35 resized_properly = Win32_ResizeWindowShape(window); 37 resized_properly = Win32_ResizeWindowShape(window);
36 if (resized_properly != 0) 38 if (resized_properly != 0)
37 return NULL; 39 return NULL;
54 SDL_WindowData *windowdata; 56 SDL_WindowData *windowdata;
55 HWND hwnd; 57 HWND hwnd;
56 58
57 if (shaper == NULL || shape == NULL) 59 if (shaper == NULL || shape == NULL)
58 return SDL_INVALID_SHAPE_ARGUMENT; 60 return SDL_INVALID_SHAPE_ARGUMENT;
59 if(!SDL_ISPIXELFORMAT_ALPHA(SDL_MasksToPixelFormatEnum(shape->format->BitsPerPixel,shape->format->Rmask,shape->format->Gmask,shape->format->Bmask,shape->format->Amask)) && shapeMode->mode != ShapeModeColorKey || shape->w != shaper->window->w || shape->h != shaper->window->h) 61 if(shape->format->Amask == 0 && shapeMode->mode != ShapeModeColorKey || shape->w != shaper->window->w || shape->h != shaper->window->h)
60 return SDL_INVALID_SHAPE_ARGUMENT; 62 return SDL_INVALID_SHAPE_ARGUMENT;
61 63
62 data = (SDL_ShapeData*)shaper->driverdata; 64 data = (SDL_ShapeData*)shaper->driverdata;
65 if(data->mask_tree != NULL)
66 SDL_FreeShapeTree(&data->mask_tree);
63 data->mask_tree = SDL_CalculateShapeTree(*shapeMode,shape,SDL_FALSE); 67 data->mask_tree = SDL_CalculateShapeTree(*shapeMode,shape,SDL_FALSE);
64 68
65 /* 69 /*
66 * Start with empty region 70 * Start with empty region
67 */ 71 */