diff options
Diffstat (limited to '3rdparty/SDL2/src/video/windows/SDL_windowsshape.c')
-rw-r--r-- | 3rdparty/SDL2/src/video/windows/SDL_windowsshape.c | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/3rdparty/SDL2/src/video/windows/SDL_windowsshape.c b/3rdparty/SDL2/src/video/windows/SDL_windowsshape.c deleted file mode 100644 index 0a50985a25d..00000000000 --- a/3rdparty/SDL2/src/video/windows/SDL_windowsshape.c +++ /dev/null @@ -1,110 +0,0 @@ -/* - Simple DirectMedia Layer - Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org> - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. -*/ -#include "../../SDL_internal.h" - -#if SDL_VIDEO_DRIVER_WINDOWS - -#include "SDL_assert.h" -#include "SDL_windowsshape.h" -#include "SDL_windowsvideo.h" - -SDL_WindowShaper* -Win32_CreateShaper(SDL_Window * window) { - int resized_properly; - SDL_WindowShaper* result = (SDL_WindowShaper *)SDL_malloc(sizeof(SDL_WindowShaper)); - result->window = window; - result->mode.mode = ShapeModeDefault; - result->mode.parameters.binarizationCutoff = 1; - result->userx = result->usery = 0; - result->driverdata = (SDL_ShapeData*)SDL_malloc(sizeof(SDL_ShapeData)); - ((SDL_ShapeData*)result->driverdata)->mask_tree = NULL; - /* Put some driver-data here. */ - window->shaper = result; - resized_properly = Win32_ResizeWindowShape(window); - if (resized_properly != 0) - return NULL; - - return result; -} - -void -CombineRectRegions(SDL_ShapeTree* node,void* closure) { - HRGN mask_region = *((HRGN*)closure),temp_region = NULL; - if(node->kind == OpaqueShape) { - /* Win32 API regions exclude their outline, so we widen the region by one pixel in each direction to include the real outline. */ - temp_region = CreateRectRgn(node->data.shape.x,node->data.shape.y,node->data.shape.x + node->data.shape.w + 1,node->data.shape.y + node->data.shape.h + 1); - if(mask_region != NULL) { - CombineRgn(mask_region,mask_region,temp_region,RGN_OR); - DeleteObject(temp_region); - } - else - *((HRGN*)closure) = temp_region; - } -} - -int -Win32_SetWindowShape(SDL_WindowShaper *shaper,SDL_Surface *shape,SDL_WindowShapeMode *shape_mode) { - SDL_ShapeData *data; - HRGN mask_region = NULL; - - if( (shaper == NULL) || - (shape == NULL) || - ((shape->format->Amask == 0) && (shape_mode->mode != ShapeModeColorKey)) || - (shape->w != shaper->window->w) || - (shape->h != shaper->window->h) ) { - return SDL_INVALID_SHAPE_ARGUMENT; - } - - data = (SDL_ShapeData*)shaper->driverdata; - if(data->mask_tree != NULL) - SDL_FreeShapeTree(&data->mask_tree); - data->mask_tree = SDL_CalculateShapeTree(*shape_mode,shape); - - SDL_TraverseShapeTree(data->mask_tree,&CombineRectRegions,&mask_region); - SDL_assert(mask_region != NULL); - - SetWindowRgn(((SDL_WindowData *)(shaper->window->driverdata))->hwnd, mask_region, TRUE); - - return 0; -} - -int -Win32_ResizeWindowShape(SDL_Window *window) { - SDL_ShapeData* data; - - if (window == NULL) - return -1; - data = (SDL_ShapeData *)window->shaper->driverdata; - if (data == NULL) - return -1; - - if(data->mask_tree != NULL) - SDL_FreeShapeTree(&data->mask_tree); - if(window->shaper->hasshape == SDL_TRUE) { - window->shaper->userx = window->x; - window->shaper->usery = window->y; - SDL_SetWindowPosition(window,-1000,-1000); - } - - return 0; -} - -#endif /* SDL_VIDEO_DRIVER_WINDOWS */ |