mirror of https://github.com/encounter/SDL.git
116 lines
3.6 KiB
Objective-C
116 lines
3.6 KiB
Objective-C
/*
|
|
Simple DirectMedia Layer
|
|
Copyright (C) 1997-2022 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"
|
|
|
|
SDL_WindowShaper*
|
|
Cocoa_CreateShaper(SDL_Window* window)
|
|
{ @autoreleasepool
|
|
{
|
|
SDL_WindowShaper* result;
|
|
SDL_ShapeData* data;
|
|
int resized_properly;
|
|
SDL_WindowData* windata = (__bridge SDL_WindowData*)window->driverdata;
|
|
[windata.nswindow setOpaque:NO];
|
|
|
|
[windata.nswindow setStyleMask:NSWindowStyleMaskBorderless];
|
|
|
|
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;
|
|
window->shaper = result;
|
|
|
|
data = (SDL_ShapeData *)SDL_malloc(sizeof(SDL_ShapeData));
|
|
result->driverdata = data;
|
|
data->context = [windata.nswindow graphicsContext];
|
|
data->saved = SDL_FALSE;
|
|
data->shape = NULL;
|
|
|
|
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 = (__bridge 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: */
|