Fixed formatting of SDL_shape.c post-merge again.
This commit is contained in:
Eli Gottlieb
parent
4e4cf1cebe
commit
f294cf6a4c
1 changed files with 224 additions and 214 deletions
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@ -30,237 +30,247 @@
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#include "SDL_shape.h"
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#include "SDL_shape_internals.h"
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SDL_Window* SDL_CreateShapedWindow(const char *title,unsigned int x,unsigned int y,unsigned int w,unsigned int h,Uint32 flags) {
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SDL_Window *result = SDL_CreateWindow(title,x,y,w,h,SDL_WINDOW_BORDERLESS | flags & !SDL_WINDOW_FULLSCREEN & !SDL_WINDOW_SHOWN);
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if(result != NULL) {
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result->shaper = result->display->device->shape_driver.CreateShaper(result);
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if(result->shaper != NULL) {
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result->shaper->usershownflag = flags & SDL_WINDOW_SHOWN;
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result->shaper->mode.mode = ShapeModeDefault;
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result->shaper->mode.parameters.binarizationCutoff = 1;
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result->shaper->hasshape = SDL_FALSE;
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return result;
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}
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else {
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SDL_DestroyWindow(result);
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return NULL;
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}
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}
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else
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return NULL;
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SDL_Window*
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SDL_CreateShapedWindow(const char *title,unsigned int x,unsigned int y,unsigned int w,unsigned int h,Uint32 flags) {
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SDL_Window *result = SDL_CreateWindow(title,x,y,w,h,SDL_WINDOW_BORDERLESS | flags & !SDL_WINDOW_FULLSCREEN & !SDL_WINDOW_SHOWN);
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if(result != NULL) {
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result->shaper = result->display->device->shape_driver.CreateShaper(result);
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if(result->shaper != NULL) {
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result->shaper->usershownflag = flags & SDL_WINDOW_SHOWN;
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result->shaper->mode.mode = ShapeModeDefault;
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result->shaper->mode.parameters.binarizationCutoff = 1;
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result->shaper->hasshape = SDL_FALSE;
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return result;
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}
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else {
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SDL_DestroyWindow(result);
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return NULL;
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}
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}
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else
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return NULL;
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}
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SDL_bool SDL_IsShapedWindow(const SDL_Window *window) {
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if(window == NULL)
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return SDL_FALSE;
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else
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return (SDL_bool)(window->shaper != NULL);
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SDL_bool
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SDL_IsShapedWindow(const SDL_Window *window) {
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if(window == NULL)
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return SDL_FALSE;
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else
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return (SDL_bool)(window->shaper != NULL);
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}
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/* REQUIRES that bitmap point to a w-by-h bitmap with ppb pixels-per-byte. */
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void SDL_CalculateShapeBitmap(SDL_WindowShapeMode mode,SDL_Surface *shape,Uint8* bitmap,Uint8 ppb) {
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int x = 0;
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int y = 0;
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Uint8 r = 0,g = 0,b = 0,alpha = 0;
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Uint8* pixel = NULL;
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Uint32 bitmap_pixel,pixel_value = 0,mask_value = 0;
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SDL_Color key;
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if(SDL_MUSTLOCK(shape))
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SDL_LockSurface(shape);
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pixel = (Uint8*)shape->pixels;
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for(y = 0;y<shape->h;y++) {
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for(x=0;x<shape->w;x++) {
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alpha = 0;
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pixel_value = 0;
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pixel = (Uint8 *)(shape->pixels) + (y*shape->pitch) + (x*shape->format->BytesPerPixel);
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switch(shape->format->BytesPerPixel) {
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case(1):
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pixel_value = *(Uint8*)pixel;
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break;
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case(2):
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pixel_value = *(Uint16*)pixel;
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break;
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case(3):
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pixel_value = *(Uint32*)pixel & (~shape->format->Amask);
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break;
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case(4):
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pixel_value = *(Uint32*)pixel;
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break;
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}
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SDL_GetRGBA(pixel_value,shape->format,&r,&g,&b,&alpha);
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bitmap_pixel = y*shape->w + x;
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switch(mode.mode) {
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case(ShapeModeDefault):
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mask_value = (alpha >= 1 ? 1 : 0);
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break;
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case(ShapeModeBinarizeAlpha):
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mask_value = (alpha >= mode.parameters.binarizationCutoff ? 1 : 0);
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break;
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case(ShapeModeReverseBinarizeAlpha):
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mask_value = (alpha <= mode.parameters.binarizationCutoff ? 1 : 0);
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break;
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case(ShapeModeColorKey):
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key = mode.parameters.colorKey;
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mask_value = ((key.r != r && key.g != g && key.b != b) ? 1 : 0);
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break;
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}
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bitmap[bitmap_pixel / ppb] |= mask_value << (7 - ((ppb - 1) - (bitmap_pixel % ppb)));
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}
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}
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if(SDL_MUSTLOCK(shape))
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SDL_UnlockSurface(shape);
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void
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SDL_CalculateShapeBitmap(SDL_WindowShapeMode mode,SDL_Surface *shape,Uint8* bitmap,Uint8 ppb) {
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int x = 0;
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int y = 0;
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Uint8 r = 0,g = 0,b = 0,alpha = 0;
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Uint8* pixel = NULL;
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Uint32 bitmap_pixel,pixel_value = 0,mask_value = 0;
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SDL_Color key;
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if(SDL_MUSTLOCK(shape))
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SDL_LockSurface(shape);
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pixel = (Uint8*)shape->pixels;
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for(y = 0;y<shape->h;y++) {
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for(x=0;x<shape->w;x++) {
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alpha = 0;
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pixel_value = 0;
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pixel = (Uint8 *)(shape->pixels) + (y*shape->pitch) + (x*shape->format->BytesPerPixel);
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switch(shape->format->BytesPerPixel) {
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case(1):
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pixel_value = *(Uint8*)pixel;
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break;
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case(2):
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pixel_value = *(Uint16*)pixel;
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break;
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case(3):
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pixel_value = *(Uint32*)pixel & (~shape->format->Amask);
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break;
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case(4):
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pixel_value = *(Uint32*)pixel;
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break;
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}
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SDL_GetRGBA(pixel_value,shape->format,&r,&g,&b,&alpha);
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bitmap_pixel = y*shape->w + x;
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switch(mode.mode) {
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case(ShapeModeDefault):
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mask_value = (alpha >= 1 ? 1 : 0);
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break;
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case(ShapeModeBinarizeAlpha):
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mask_value = (alpha >= mode.parameters.binarizationCutoff ? 1 : 0);
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break;
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case(ShapeModeReverseBinarizeAlpha):
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mask_value = (alpha <= mode.parameters.binarizationCutoff ? 1 : 0);
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break;
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case(ShapeModeColorKey):
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key = mode.parameters.colorKey;
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mask_value = ((key.r != r && key.g != g && key.b != b) ? 1 : 0);
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break;
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}
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bitmap[bitmap_pixel / ppb] |= mask_value << (7 - ((ppb - 1) - (bitmap_pixel % ppb)));
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}
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}
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if(SDL_MUSTLOCK(shape))
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SDL_UnlockSurface(shape);
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}
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SDL_ShapeTree* RecursivelyCalculateShapeTree(SDL_WindowShapeMode mode,SDL_Surface* mask,SDL_Rect dimensions) {
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int x = 0,y = 0;
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Uint8* pixel = NULL;
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Uint32 pixel_value = 0;
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Uint8 r = 0,g = 0,b = 0,a = 0;
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SDL_bool pixel_opaque = SDL_FALSE;
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int last_opaque = -1;
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SDL_Color key;
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SDL_ShapeTree* result = (SDL_ShapeTree*)SDL_malloc(sizeof(SDL_ShapeTree));
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SDL_Rect next = {0,0,0,0};
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for(y=dimensions.y;y<dimensions.y + dimensions.h;y++)
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for(x=dimensions.x;x<dimensions.x + dimensions.w;x++) {
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pixel_value = 0;
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pixel = (Uint8 *)(mask->pixels) + (y*mask->pitch) + (x*mask->format->BytesPerPixel);
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switch(mask->format->BytesPerPixel) {
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case(1):
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pixel_value = *(Uint8*)pixel;
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break;
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case(2):
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pixel_value = *(Uint16*)pixel;
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break;
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case(3):
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pixel_value = *(Uint32*)pixel & (~mask->format->Amask);
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break;
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case(4):
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pixel_value = *(Uint32*)pixel;
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break;
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}
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SDL_GetRGBA(pixel_value,mask->format,&r,&g,&b,&a);
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switch(mode.mode) {
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case(ShapeModeDefault):
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pixel_opaque = (a >= 1 ? SDL_TRUE : SDL_FALSE);
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break;
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case(ShapeModeBinarizeAlpha):
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pixel_opaque = (a >= mode.parameters.binarizationCutoff ? SDL_TRUE : SDL_FALSE);
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break;
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case(ShapeModeReverseBinarizeAlpha):
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pixel_opaque = (a <= mode.parameters.binarizationCutoff ? SDL_TRUE : SDL_FALSE);
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break;
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case(ShapeModeColorKey):
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key = mode.parameters.colorKey;
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pixel_opaque = ((key.r == r && key.g == g && key.b == b) ? SDL_TRUE : SDL_FALSE);
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break;
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}
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if(last_opaque == -1)
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last_opaque = pixel_opaque;
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if(last_opaque != pixel_opaque) {
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result->kind = QuadShape;
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//These will stay the same.
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next.w = dimensions.w / 2;
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next.h = dimensions.h / 2;
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//These will change from recursion to recursion.
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next.x = dimensions.x;
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next.y = dimensions.y;
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result->data.children.upleft = (struct SDL_ShapeTree *)RecursivelyCalculateShapeTree(mode,mask,next);
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next.x = dimensions.w / 2;
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//Unneeded: next.y = dimensions.y;
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result->data.children.upright = (struct SDL_ShapeTree *)RecursivelyCalculateShapeTree(mode,mask,next);
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next.x = dimensions.x;
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next.y = dimensions.h / 2;
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result->data.children.downleft = (struct SDL_ShapeTree *)RecursivelyCalculateShapeTree(mode,mask,next);
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next.x = dimensions.w / 2;
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//Unneeded: next.y = dimensions.h / 2 + 1;
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result->data.children.downright = (struct SDL_ShapeTree *)RecursivelyCalculateShapeTree(mode,mask,next);
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return result;
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}
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}
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//If we never recursed, all the pixels in this quadrant have the same "value".
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result->kind = (last_opaque == SDL_TRUE ? OpaqueShape : TransparentShape);
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result->data.shape = dimensions;
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return result;
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SDL_ShapeTree*
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RecursivelyCalculateShapeTree(SDL_WindowShapeMode mode,SDL_Surface* mask,SDL_Rect dimensions) {
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int x = 0,y = 0;
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Uint8* pixel = NULL;
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Uint32 pixel_value = 0;
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Uint8 r = 0,g = 0,b = 0,a = 0;
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SDL_bool pixel_opaque = SDL_FALSE;
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int last_opaque = -1;
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SDL_Color key;
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SDL_ShapeTree* result = (SDL_ShapeTree*)SDL_malloc(sizeof(SDL_ShapeTree));
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SDL_Rect next = {0,0,0,0};
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for(y=dimensions.y;y<dimensions.y + dimensions.h;y++)
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for(x=dimensions.x;x<dimensions.x + dimensions.w;x++) {
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pixel_value = 0;
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pixel = (Uint8 *)(mask->pixels) + (y*mask->pitch) + (x*mask->format->BytesPerPixel);
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switch(mask->format->BytesPerPixel) {
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case(1):
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pixel_value = *(Uint8*)pixel;
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break;
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case(2):
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pixel_value = *(Uint16*)pixel;
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break;
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case(3):
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pixel_value = *(Uint32*)pixel & (~mask->format->Amask);
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break;
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case(4):
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pixel_value = *(Uint32*)pixel;
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break;
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}
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SDL_GetRGBA(pixel_value,mask->format,&r,&g,&b,&a);
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switch(mode.mode) {
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case(ShapeModeDefault):
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pixel_opaque = (a >= 1 ? SDL_TRUE : SDL_FALSE);
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break;
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case(ShapeModeBinarizeAlpha):
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pixel_opaque = (a >= mode.parameters.binarizationCutoff ? SDL_TRUE : SDL_FALSE);
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break;
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case(ShapeModeReverseBinarizeAlpha):
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pixel_opaque = (a <= mode.parameters.binarizationCutoff ? SDL_TRUE : SDL_FALSE);
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break;
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case(ShapeModeColorKey):
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key = mode.parameters.colorKey;
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pixel_opaque = ((key.r == r && key.g == g && key.b == b) ? SDL_TRUE : SDL_FALSE);
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break;
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}
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if(last_opaque == -1)
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last_opaque = pixel_opaque;
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if(last_opaque != pixel_opaque) {
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result->kind = QuadShape;
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//These will stay the same.
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next.w = dimensions.w / 2;
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next.h = dimensions.h / 2;
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//These will change from recursion to recursion.
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next.x = dimensions.x;
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next.y = dimensions.y;
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result->data.children.upleft = (struct SDL_ShapeTree *)RecursivelyCalculateShapeTree(mode,mask,next);
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next.x = dimensions.w / 2;
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//Unneeded: next.y = dimensions.y;
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result->data.children.upright = (struct SDL_ShapeTree *)RecursivelyCalculateShapeTree(mode,mask,next);
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next.x = dimensions.x;
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next.y = dimensions.h / 2;
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result->data.children.downleft = (struct SDL_ShapeTree *)RecursivelyCalculateShapeTree(mode,mask,next);
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next.x = dimensions.w / 2;
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//Unneeded: next.y = dimensions.h / 2 + 1;
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result->data.children.downright = (struct SDL_ShapeTree *)RecursivelyCalculateShapeTree(mode,mask,next);
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return result;
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}
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}
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//If we never recursed, all the pixels in this quadrant have the same "value".
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result->kind = (last_opaque == SDL_TRUE ? OpaqueShape : TransparentShape);
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result->data.shape = dimensions;
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return result;
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}
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SDL_ShapeTree* SDL_CalculateShapeTree(SDL_WindowShapeMode mode,SDL_Surface* shape) {
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SDL_Rect dimensions = {0,0,shape->w,shape->h};
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SDL_ShapeTree* result = NULL;
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if(SDL_MUSTLOCK(shape))
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SDL_LockSurface(shape);
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result = RecursivelyCalculateShapeTree(mode,shape,dimensions);
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if(SDL_MUSTLOCK(shape))
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SDL_UnlockSurface(shape);
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return result;
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SDL_ShapeTree*
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SDL_CalculateShapeTree(SDL_WindowShapeMode mode,SDL_Surface* shape) {
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SDL_Rect dimensions = {0,0,shape->w,shape->h};
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SDL_ShapeTree* result = NULL;
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if(SDL_MUSTLOCK(shape))
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SDL_LockSurface(shape);
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result = RecursivelyCalculateShapeTree(mode,shape,dimensions);
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if(SDL_MUSTLOCK(shape))
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SDL_UnlockSurface(shape);
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return result;
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}
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void SDL_TraverseShapeTree(SDL_ShapeTree *tree,SDL_TraversalFunction function,void* closure) {
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SDL_assert(tree != NULL);
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if(tree->kind == QuadShape) {
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SDL_TraverseShapeTree((SDL_ShapeTree *)tree->data.children.upleft,function,closure);
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SDL_TraverseShapeTree((SDL_ShapeTree *)tree->data.children.upright,function,closure);
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SDL_TraverseShapeTree((SDL_ShapeTree *)tree->data.children.downleft,function,closure);
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SDL_TraverseShapeTree((SDL_ShapeTree *)tree->data.children.downright,function,closure);
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}
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else
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function(tree,closure);
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void
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SDL_TraverseShapeTree(SDL_ShapeTree *tree,SDL_TraversalFunction function,void* closure) {
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SDL_assert(tree != NULL);
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if(tree->kind == QuadShape) {
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SDL_TraverseShapeTree((SDL_ShapeTree *)tree->data.children.upleft,function,closure);
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SDL_TraverseShapeTree((SDL_ShapeTree *)tree->data.children.upright,function,closure);
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SDL_TraverseShapeTree((SDL_ShapeTree *)tree->data.children.downleft,function,closure);
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SDL_TraverseShapeTree((SDL_ShapeTree *)tree->data.children.downright,function,closure);
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}
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else
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function(tree,closure);
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}
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void SDL_FreeShapeTree(SDL_ShapeTree** shapeTree) {
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if((*shapeTree)->kind == QuadShape) {
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SDL_FreeShapeTree((SDL_ShapeTree **)&(*shapeTree)->data.children.upleft);
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SDL_FreeShapeTree((SDL_ShapeTree **)&(*shapeTree)->data.children.upright);
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SDL_FreeShapeTree((SDL_ShapeTree **)&(*shapeTree)->data.children.downleft);
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SDL_FreeShapeTree((SDL_ShapeTree **)&(*shapeTree)->data.children.downright);
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}
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SDL_free(*shapeTree);
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*shapeTree = NULL;
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void
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SDL_FreeShapeTree(SDL_ShapeTree** shapeTree) {
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if((*shapeTree)->kind == QuadShape) {
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SDL_FreeShapeTree((SDL_ShapeTree **)&(*shapeTree)->data.children.upleft);
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SDL_FreeShapeTree((SDL_ShapeTree **)&(*shapeTree)->data.children.upright);
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SDL_FreeShapeTree((SDL_ShapeTree **)&(*shapeTree)->data.children.downleft);
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SDL_FreeShapeTree((SDL_ShapeTree **)&(*shapeTree)->data.children.downright);
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}
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SDL_free(*shapeTree);
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*shapeTree = NULL;
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}
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int SDL_SetWindowShape(SDL_Window *window,SDL_Surface *shape,SDL_WindowShapeMode *shapeMode) {
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int result;
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if(window == NULL || !SDL_IsShapedWindow(window))
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//The window given was not a shapeable window.
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return SDL_NONSHAPEABLE_WINDOW;
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if(shape == NULL)
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//Invalid shape argument.
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return SDL_INVALID_SHAPE_ARGUMENT;
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if(shapeMode != NULL)
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window->shaper->mode = *shapeMode;
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//TODO: Platform-specific implementations of SetWindowShape. X11 is finished. Win32 is finished. Debugging is in progress on both.
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result = window->display->device->shape_driver.SetWindowShape(window->shaper,shape,shapeMode);
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window->shaper->hasshape = SDL_TRUE;
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if((window->shaper->usershownflag & SDL_WINDOW_SHOWN) == SDL_WINDOW_SHOWN) {
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SDL_ShowWindow(window);
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window->shaper->usershownflag &= !SDL_WINDOW_SHOWN;
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}
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return result;
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int
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SDL_SetWindowShape(SDL_Window *window,SDL_Surface *shape,SDL_WindowShapeMode *shapeMode) {
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int result;
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if(window == NULL || !SDL_IsShapedWindow(window))
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//The window given was not a shapeable window.
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return SDL_NONSHAPEABLE_WINDOW;
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if(shape == NULL)
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//Invalid shape argument.
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return SDL_INVALID_SHAPE_ARGUMENT;
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if(shapeMode != NULL)
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window->shaper->mode = *shapeMode;
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//TODO: Platform-specific implementations of SetWindowShape. X11 is finished. Win32 is finished. Debugging is in progress on both.
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result = window->display->device->shape_driver.SetWindowShape(window->shaper,shape,shapeMode);
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window->shaper->hasshape = SDL_TRUE;
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if((window->shaper->usershownflag & SDL_WINDOW_SHOWN) == SDL_WINDOW_SHOWN) {
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SDL_ShowWindow(window);
|
||||
window->shaper->usershownflag &= !SDL_WINDOW_SHOWN;
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
SDL_bool SDL_WindowHasAShape(SDL_Window *window) {
|
||||
if (window == NULL || !SDL_IsShapedWindow(window))
|
||||
return SDL_FALSE;
|
||||
return window->shaper->hasshape;
|
||||
SDL_bool
|
||||
SDL_WindowHasAShape(SDL_Window *window) {
|
||||
if (window == NULL || !SDL_IsShapedWindow(window))
|
||||
return SDL_FALSE;
|
||||
return window->shaper->hasshape;
|
||||
}
|
||||
|
||||
int SDL_GetShapedWindowMode(SDL_Window *window,SDL_WindowShapeMode *shapeMode) {
|
||||
if(window != NULL && SDL_IsShapedWindow(window)) {
|
||||
if(shapeMode == NULL) {
|
||||
if(SDL_WindowHasAShape(window))
|
||||
//The window given has a shape.
|
||||
return 0;
|
||||
else
|
||||
//The window given is shapeable but lacks a shape.
|
||||
return SDL_WINDOW_LACKS_SHAPE;
|
||||
}
|
||||
else {
|
||||
*shapeMode = window->shaper->mode;
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
else
|
||||
//The window given is not a valid shapeable window.
|
||||
return SDL_NONSHAPEABLE_WINDOW;
|
||||
int
|
||||
SDL_GetShapedWindowMode(SDL_Window *window,SDL_WindowShapeMode *shapeMode) {
|
||||
if(window != NULL && SDL_IsShapedWindow(window)) {
|
||||
if(shapeMode == NULL) {
|
||||
if(SDL_WindowHasAShape(window))
|
||||
//The window given has a shape.
|
||||
return 0;
|
||||
else
|
||||
//The window given is shapeable but lacks a shape.
|
||||
return SDL_WINDOW_LACKS_SHAPE;
|
||||
}
|
||||
else {
|
||||
*shapeMode = window->shaper->mode;
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
else
|
||||
//The window given is not a valid shapeable window.
|
||||
return SDL_NONSHAPEABLE_WINDOW;
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue