Mercurial > sdl-ios-xcode

annotate src/video/cocoa/SDL_cocoashape.m @ 5282:8e421890cdb8

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Fixed bug #1117 There's a new event that's always sent when the window changes size, and that event is what the renderers listen for to determine if they need to rebind their context.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 12 Feb 2011 19:02:14 -0800
parents 514f811a4887
children
rev   line source
4809
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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1 /*
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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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
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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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.
Eli Gottlieb <eligottlieb@gmail.com>
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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.
Eli Gottlieb <eligottlieb@gmail.com>
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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.
Eli Gottlieb <eligottlieb@gmail.com>
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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>
parents:
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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.
Eli Gottlieb <eligottlieb@gmail.com>
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.
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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 "../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 #if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_6
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33 [windata->nswindow setStyleMask:NSBorderlessWindowMask];
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34 #endif
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35 SDL_WindowShaper* result = result = malloc(sizeof(SDL_WindowShaper));
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36 result->window = window;
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37 result->mode.mode = ShapeModeDefault;
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38 result->mode.parameters.binarizationCutoff = 1;
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39 result->userx = result->usery = 0;
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40 window->shaper = result;
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41
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42 SDL_ShapeData* data = malloc(sizeof(SDL_ShapeData));
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43 result->driverdata = data;
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44 data->context = [windata->nswindow graphicsContext];
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45 data->saved = SDL_FALSE;
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46 data->shape = NULL;
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47
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48 int resized_properly = Cocoa_ResizeWindowShape(window);
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49 assert(resized_properly == 0);
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50 return result;
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51 }
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52
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53 typedef struct {
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54 NSView* view;
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55 NSBezierPath* path;
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56 SDL_Window* window;
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57 } SDL_CocoaClosure;
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58
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59 void
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60 ConvertRects(SDL_ShapeTree* tree,void* closure) {
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61 SDL_CocoaClosure* data = (SDL_CocoaClosure*)closure;
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62 if(tree->kind == OpaqueShape) {
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63 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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64 [data->path appendBezierPathWithRect:[data->view convertRect:rect toView:nil]];
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65 }
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66 }
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67
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68 int
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69 Cocoa_SetWindowShape(SDL_WindowShaper *shaper,SDL_Surface *shape,SDL_WindowShapeMode *shape_mode) {
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70 SDL_ShapeData* data = (SDL_ShapeData*)shaper->driverdata;
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71 SDL_WindowData* windata = (SDL_WindowData*)shaper->window->driverdata;
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72 SDL_CocoaClosure closure;
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73 NSAutoreleasePool *pool = NULL;
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74 if(data->saved == SDL_TRUE) {
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75 [data->context restoreGraphicsState];
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76 data->saved = SDL_FALSE;
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77 }
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78
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79 //[data->context saveGraphicsState];
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80 //data->saved = SDL_TRUE;
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81 [NSGraphicsContext setCurrentContext:data->context];
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82
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83 [[NSColor clearColor] set];
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84 NSRectFill([[windata->nswindow contentView] frame]);
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85 data->shape = SDL_CalculateShapeTree(*shape_mode,shape);
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86
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87 pool = [[NSAutoreleasePool alloc] init];
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88 closure.view = [windata->nswindow contentView];
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89 closure.path = [[NSBezierPath bezierPath] autorelease];
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90 closure.window = shaper->window;
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91 SDL_TraverseShapeTree(data->shape,&ConvertRects,&closure);
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92 [closure.path addClip];
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93 }
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94
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95 int
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96 Cocoa_ResizeWindowShape(SDL_Window *window) {
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97 SDL_ShapeData* data = window->shaper->driverdata;
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98 assert(data != NULL);
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99 return 0;
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100 }