| /* |
| Simple DirectMedia Layer |
| Copyright (C) 1997-2020 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_COCOA |
| |
| #include "SDL_cocoavideo.h" |
| #include "SDL_shape.h" |
| #include "SDL_cocoashape.h" |
| #include "../SDL_sysvideo.h" |
| #include "SDL_assert.h" |
| |
| SDL_WindowShaper* |
| Cocoa_CreateShaper(SDL_Window* window) |
| { |
| SDL_WindowData* windata = (SDL_WindowData*)window->driverdata; |
| [windata->nswindow setOpaque:NO]; |
| |
| [windata->nswindow setStyleMask:NSWindowStyleMaskBorderless]; |
| |
| SDL_WindowShaper* result = result = malloc(sizeof(SDL_WindowShaper)); |
| result->window = window; |
| result->mode.mode = ShapeModeDefault; |
| result->mode.parameters.binarizationCutoff = 1; |
| result->userx = result->usery = 0; |
| window->shaper = result; |
| |
| SDL_ShapeData* data = malloc(sizeof(SDL_ShapeData)); |
| result->driverdata = data; |
| data->context = [windata->nswindow graphicsContext]; |
| data->saved = SDL_FALSE; |
| data->shape = NULL; |
| |
| int resized_properly = Cocoa_ResizeWindowShape(window); |
| SDL_assert(resized_properly == 0); |
| return result; |
| } |
| |
| typedef struct { |
| NSView* view; |
| NSBezierPath* path; |
| SDL_Window* window; |
| } SDL_CocoaClosure; |
| |
| void |
| ConvertRects(SDL_ShapeTree* tree, void* closure) |
| { |
| SDL_CocoaClosure* data = (SDL_CocoaClosure*)closure; |
| if(tree->kind == OpaqueShape) { |
| NSRect rect = NSMakeRect(tree->data.shape.x,data->window->h - tree->data.shape.y,tree->data.shape.w,tree->data.shape.h); |
| [data->path appendBezierPathWithRect:[data->view convertRect:rect toView:nil]]; |
| } |
| } |
| |
| int |
| Cocoa_SetWindowShape(SDL_WindowShaper *shaper, SDL_Surface *shape, SDL_WindowShapeMode *shape_mode) |
| { @autoreleasepool |
| { |
| SDL_ShapeData* data = (SDL_ShapeData*)shaper->driverdata; |
| SDL_WindowData* windata = (SDL_WindowData*)shaper->window->driverdata; |
| SDL_CocoaClosure closure; |
| if(data->saved == SDL_TRUE) { |
| [data->context restoreGraphicsState]; |
| data->saved = SDL_FALSE; |
| } |
| |
| /*[data->context saveGraphicsState];*/ |
| /*data->saved = SDL_TRUE;*/ |
| [NSGraphicsContext setCurrentContext:data->context]; |
| |
| [[NSColor clearColor] set]; |
| NSRectFill([windata->sdlContentView frame]); |
| data->shape = SDL_CalculateShapeTree(*shape_mode,shape); |
| |
| closure.view = windata->sdlContentView; |
| closure.path = [NSBezierPath bezierPath]; |
| closure.window = shaper->window; |
| SDL_TraverseShapeTree(data->shape,&ConvertRects,&closure); |
| [closure.path addClip]; |
| |
| return 0; |
| }} |
| |
| int |
| Cocoa_ResizeWindowShape(SDL_Window *window) |
| { |
| SDL_ShapeData* data = window->shaper->driverdata; |
| SDL_assert(data != NULL); |
| return 0; |
| } |
| |
| #endif /* SDL_VIDEO_DRIVER_COCOA */ |
| |
| /* vi: set ts=4 sw=4 expandtab: */ |