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annotate src/video/cocoa/SDL_cocoashape.m @ 4830:3dfe779900f5

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Compiling for cocoa now works. Does it run? We'll see.
author egottlieb
date Tue, 03 Aug 2010 23:22:31 -0400
parents 7160e833c4ac
children 8dabd625079f
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>
parents:
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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.
Eli Gottlieb <eligottlieb@gmail.com>
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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.
Eli Gottlieb <eligottlieb@gmail.com>
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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.
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.
Eli Gottlieb <eligottlieb@gmail.com>
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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.
Eli Gottlieb <eligottlieb@gmail.com>
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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>
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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>
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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.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
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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.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
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20 eligottlieb@gmail.com
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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21 */
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22
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23 #include "SDL_stdinc.h"
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24 #include "SDL_cocoavideo.h"
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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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25 #include "SDL_shape.h"
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26 #include "SDL_cocoashape.h"
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27 #include "SDL_sysvideo.h"
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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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28
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7a602fd2121f OK, it appears that dramatic hacks are not necessary to make Cocoa work...
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29 SDL_WindowShaper* Cocoa_CreateShaper(SDL_Window* window) {
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30 SDL_WindowData* data = (SDL_WindowData*)window->driverdata;
7a602fd2121f OK, it appears that dramatic hacks are not necessary to make Cocoa work...
Eli Gottlieb <eligottlieb@gmail.com>
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31 [data->nswindow setAlpha:1.0];
7a602fd2121f OK, it appears that dramatic hacks are not necessary to make Cocoa work...
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32 [data->nswindow setOpaque:YES];
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33 [data->nswindow setStyleMask:NSBorderlessWindowMask];
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34 SDL_WindowShaper* result = SDL_malloc(sizeof(SDL_WindowShaper));
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Eli Gottlieb <eligottlieb@gmail.com>
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35 result->window = window;
7a602fd2121f OK, it appears that dramatic hacks are not necessary to make Cocoa work...
Eli Gottlieb <eligottlieb@gmail.com>
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36 result->mode.mode = ShapeModeDefault;
7a602fd2121f OK, it appears that dramatic hacks are not necessary to make Cocoa work...
Eli Gottlieb <eligottlieb@gmail.com>
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37 result->mode.parameters.binarizationCutoff = 1;
7a602fd2121f OK, it appears that dramatic hacks are not necessary to make Cocoa work...
Eli Gottlieb <eligottlieb@gmail.com>
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38 result->usershownflag = 0;
7a602fd2121f OK, it appears that dramatic hacks are not necessary to make Cocoa work...
Eli Gottlieb <eligottlieb@gmail.com>
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39 window->shaper = result;
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40
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41 SDL_ShapeData* shape_data = SDL_malloc(sizeof(SDL_ShapeData));
5660aac926e9 Got basic, pre-actually-writing-anything Cocoa to build.
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42 result->driverdata = shape_data;
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43 shape_data->context = [data->nswindow graphicsContext];
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egottlieb
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44 shape_data->saved = SDL_FALSE;
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45 shape_data->shape = NULL;
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46
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47 int resized_properly = Cocoa_ResizeWindowShape(window);
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Eli Gottlieb <eligottlieb@gmail.com>
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48 assert(resized_properly == 0);
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Eli Gottlieb <eligottlieb@gmail.com>
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49 return result;
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Eli Gottlieb <eligottlieb@gmail.com>
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50 }
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51
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52 typedef struct {
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53 NSBezierPath* clipPath;
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54 SDL_Window* window;
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55 } SDL_PathConglomeration;
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56
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57 NSRect convert_rect(SDL_Rect rect,SDL_Window* window) {
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58 NSRect nsrect = NSMakeRect(rect.x,window->h-(rect.y+rect.h),rect.w,rect.h);
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59 return [[((SDL_WindowData*)window->driverdata)->nswindow contentView] convertRectFromBase:nsrect];
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60 }
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61
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62 void ConglomerateShapeTree(SDL_ShapeTree* tree,SDL_PathConglomeration* cong) {
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63 if(tree->kind == OpaqueShape) {
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64 NSRect rect = convert_rect(tree->data.shape,cong->window);
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65 [cong->clipPath appendBezierPathWithRect:rect];
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66 }
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67 }
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68
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69 int Cocoa_SetWindowShape(SDL_WindowShaper *shaper,SDL_Surface *shape,SDL_WindowShapeMode *shapeMode) {
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70 SDL_ShapeData* data = (SDL_ShapeData*)shaper->driverdata;
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71 if(data->saved == SDL_TRUE) {
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72 [data->context restoreGraphicsState];
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73 data->saved = SDL_FALSE;
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74 }
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75
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76 [data->context saveGraphicsState];
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77 data->saved = SDL_TRUE;
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78
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79 //[[NSColor clearColor] set];
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80 //NSRectFill([[((SDL_WindowData*)shaper->window->driverdata)->nswindow contentView] frame]);
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81 /* TODO: It looks like Cocoa can set a clipping path based on a list of rectangles. That's what we get from the
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82 Windoze shape-calculation code: a list of rectangles. This will work... I think. */
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83 NSBezierPath* clipPath = [NSBezierPath bezierPath];
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84
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85 SDL_PathConglomeration cong = {clipPath,shaper->window};
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86
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87 SDL_TraverseShapeTree(data->shape,(SDL_TraversalFunction)&ConglomerateShapeTree,(void*)&cong);
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88
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89 [clipPath addClip];
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90 }
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91
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92 int Cocoa_ResizeWindowShape(SDL_Window *window) {
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93 SDL_ShapeData* data = window->shaper->driverdata;
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94 assert(data != NULL);
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95
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96 if(data->shape != NULL)
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97 SDL_FreeShapeTree(&data->shape);
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98
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99 return 0;
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100 }