Mercurial > sdl-ios-xcode

annotate src/video/cocoa/SDL_cocoashape.m @ 5081:f2d8e0b59cca

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Trying to close Andreas' branch again.
author Sam Lantinga <slouken@libsdl.org>
date Sun, 23 Jan 2011 22:34:19 -0800
parents 8f1994e8d886
children a2cf0174e5ab
rev   line source
4809
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1 /*
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2 SDL - Simple DirectMedia Layer
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
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3 Copyright (C) 2010 Eli Gottlieb
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4
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
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5 This library is free software; you can redistribute it and/or
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
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6 modify it under the terms of the GNU Lesser General Public
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
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7 License as published by the Free Software Foundation; either
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
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8 version 2.1 of the License, or (at your option) any later version.
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
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9
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
Eli Gottlieb <eligottlieb@gmail.com>
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10 This library is distributed in the hope that it will be useful,
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
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13 Lesser General Public License for more details.
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
Eli Gottlieb <eligottlieb@gmail.com>
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14
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
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15 You should have received a copy of the GNU Lesser General Public
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
Eli Gottlieb <eligottlieb@gmail.com>
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16 License along with this library; if not, write to the Free Software
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
Eli Gottlieb <eligottlieb@gmail.com>
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
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18
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
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parents:
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19 Eli Gottlieb
329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
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20 eligottlieb@gmail.com
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21 */
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22
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23 #include "SDL_cocoavideo.h"
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24 #include "SDL_shape.h"
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25 #include "SDL_cocoashape.h"
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26 #include "../src/video/SDL_sysvideo.h"
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27
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28 SDL_WindowShaper*
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29 Cocoa_CreateShaper(SDL_Window* window) {
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30 SDL_WindowData* windata = (SDL_WindowData*)window->driverdata;
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31 [windata->nswindow setOpaque:NO];
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32 [windata->nswindow setStyleMask:NSBorderlessWindowMask];
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33 SDL_WindowShaper* result = result = malloc(sizeof(SDL_WindowShaper));
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34 result->window = window;
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35 result->mode.mode = ShapeModeDefault;
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36 result->mode.parameters.binarizationCutoff = 1;
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37 result->userx = result->usery = 0;
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38 window->shaper = result;
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39
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40 SDL_ShapeData* data = malloc(sizeof(SDL_ShapeData));
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41 result->driverdata = data;
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42 data->context = [windata->nswindow graphicsContext];
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43 data->saved = SDL_FALSE;
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44 data->shape = NULL;
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45
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46 int resized_properly = Cocoa_ResizeWindowShape(window);
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47 assert(resized_properly == 0);
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48 return result;
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49 }
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50
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51 typedef struct {
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52 NSView* view;
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53 NSBezierPath* path;
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54 SDL_Window* window;
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55 } SDL_CocoaClosure;
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56
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57 void
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58 ConvertRects(SDL_ShapeTree* tree,void* closure) {
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59 SDL_CocoaClosure* data = (SDL_CocoaClosure*)closure;
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60 if(tree->kind == OpaqueShape) {
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61 NSRect rect = NSMakeRect(tree->data.shape.x,data->window->h - tree->data.shape.y,tree->data.shape.w,tree->data.shape.h);
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62 [data->path appendBezierPathWithRect:[data->view convertRect:rect toView:nil]];
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63 }
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64 }
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65
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66 int
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67 Cocoa_SetWindowShape(SDL_WindowShaper *shaper,SDL_Surface *shape,SDL_WindowShapeMode *shape_mode) {
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68 SDL_ShapeData* data = (SDL_ShapeData*)shaper->driverdata;
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69 SDL_WindowData* windata = (SDL_WindowData*)shaper->window->driverdata;
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70 SDL_CocoaClosure closure;
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71 NSAutoreleasePool *pool = NULL;
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72 if(data->saved == SDL_TRUE) {
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73 [data->context restoreGraphicsState];
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74 data->saved = SDL_FALSE;
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75 }
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76
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77 //[data->context saveGraphicsState];
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78 //data->saved = SDL_TRUE;
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79 [NSGraphicsContext setCurrentContext:data->context];
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80
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81 [[NSColor clearColor] set];
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82 NSRectFill([[windata->nswindow contentView] frame]);
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83 data->shape = SDL_CalculateShapeTree(*shape_mode,shape);
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84
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85 pool = [[NSAutoreleasePool alloc] init];
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86 closure.view = [windata->nswindow contentView];
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87 closure.path = [[NSBezierPath bezierPath] autorelease];
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88 closure.window = shaper->window;
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89 SDL_TraverseShapeTree(data->shape,&ConvertRects,&closure);
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90 [closure.path addClip];
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91 }
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92
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93 int
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94 Cocoa_ResizeWindowShape(SDL_Window *window) {
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95 SDL_ShapeData* data = window->shaper->driverdata;
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96 assert(data != NULL);
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97 return 0;
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98 }