Mercurial > sdl-ios-xcode

annotate src/video/cocoa/SDL_cocoashape.m @ 4829:7160e833c4ac

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Implemented shaped windows for Cocoa. Still need to see if they actually work.
author egottlieb
date Tue, 03 Aug 2010 21:56:05 -0400
parents 5660aac926e9
children 3dfe779900f5
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:
diff changeset
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.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
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>
parents:
diff changeset
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>
parents:
diff changeset
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>
parents:
diff changeset
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>
parents:
diff changeset
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>
parents:
diff changeset
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.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
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>
parents:
diff changeset
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>
parents:
diff changeset
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.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
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>
parents:
diff changeset
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:
diff changeset
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:
diff changeset
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:
diff changeset
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>
parents:
diff changeset
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>
parents:
diff changeset
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:
diff changeset
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:
diff changeset
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:
diff changeset
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.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
21 */
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:
diff changeset
22
4827
5660aac926e9 Got basic, pre-actually-writing-anything Cocoa to build.
egottlieb
parents: 4811
diff changeset
23 #include "SDL_stdinc.h"
4811
d79939f20c45 Working on Cocoa implementation.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
24 #include "SDL_cocoavideo.h"
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:
diff changeset
25 #include "SDL_shape.h"
4810
7a602fd2121f OK, it appears that dramatic hacks are not necessary to make Cocoa work...
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4809
diff changeset
26 #include "SDL_cocoashape.h"
4827
5660aac926e9 Got basic, pre-actually-writing-anything Cocoa to build.
egottlieb
parents: 4811
diff changeset
27 #include "SDL_sysvideo.h"
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:
diff changeset
28
4810
7a602fd2121f OK, it appears that dramatic hacks are not necessary to make Cocoa work...
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4809
diff changeset
29 SDL_WindowShaper* Cocoa_CreateShaper(SDL_Window* window) {
7a602fd2121f OK, it appears that dramatic hacks are not necessary to make Cocoa work...
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4809
diff changeset
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>
parents: 4809
diff changeset
31 [data->nswindow setAlpha:1.0];
7a602fd2121f OK, it appears that dramatic hacks are not necessary to make Cocoa work...
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4809
diff changeset
32 [data->nswindow setOpaque:YES];
4811
d79939f20c45 Working on Cocoa implementation.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
33 [data->nswindow setStyleMask:NSBorderlessWindowMask];
4827
5660aac926e9 Got basic, pre-actually-writing-anything Cocoa to build.
egottlieb
parents: 4811
diff changeset
34 SDL_WindowShaper* result = SDL_malloc(sizeof(SDL_WindowShaper));
4810
7a602fd2121f OK, it appears that dramatic hacks are not necessary to make Cocoa work...
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4809
diff changeset
35 result->window = window;
7a602fd2121f OK, it appears that dramatic hacks are not necessary to make Cocoa work...
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4809
diff changeset
36 result->mode.mode = ShapeModeDefault;
7a602fd2121f OK, it appears that dramatic hacks are not necessary to make Cocoa work...
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4809
diff changeset
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>
parents: 4809
diff changeset
38 result->usershownflag = 0;
7a602fd2121f OK, it appears that dramatic hacks are not necessary to make Cocoa work...
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4809
diff changeset
39 window->shaper = result;
4811
d79939f20c45 Working on Cocoa implementation.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
40
4827
5660aac926e9 Got basic, pre-actually-writing-anything Cocoa to build.
egottlieb
parents: 4811
diff changeset
41 SDL_ShapeData* shape_data = SDL_malloc(sizeof(SDL_ShapeData));
5660aac926e9 Got basic, pre-actually-writing-anything Cocoa to build.
egottlieb
parents: 4811
diff changeset
42 result->driverdata = shape_data;
5660aac926e9 Got basic, pre-actually-writing-anything Cocoa to build.
egottlieb
parents: 4811
diff changeset
43 shape_data->context = [data->nswindow graphicsContext];
5660aac926e9 Got basic, pre-actually-writing-anything Cocoa to build.
egottlieb
parents: 4811
diff changeset
44 shape_data->saved = SDL_FALSE;
5660aac926e9 Got basic, pre-actually-writing-anything Cocoa to build.
egottlieb
parents: 4811
diff changeset
45 shape_data->shape = NULL;
4811
d79939f20c45 Working on Cocoa implementation.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
46
4810
7a602fd2121f OK, it appears that dramatic hacks are not necessary to make Cocoa work...
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4809
diff changeset
47 int resized_properly = Cocoa_ResizeWindowShape(window);
7a602fd2121f OK, it appears that dramatic hacks are not necessary to make Cocoa work...
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4809
diff changeset
48 assert(resized_properly == 0);
7a602fd2121f OK, it appears that dramatic hacks are not necessary to make Cocoa work...
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4809
diff changeset
49 return result;
7a602fd2121f OK, it appears that dramatic hacks are not necessary to make Cocoa work...
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4809
diff changeset
50 }
7a602fd2121f OK, it appears that dramatic hacks are not necessary to make Cocoa work...
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4809
diff changeset
51
4829
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
52 typedef struct {
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
53 NSBezierPath* clipPath;
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
54 SDL_Window* window;
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
55 } SDL_PathConglomeration;
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
56
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
57 NSRect convert_rect(SDL_Rect rect,SDL_Window* window) {
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
58 NSRect nsrect = NSMakeRect(rect.x,window->h-(rect.y+rect.h),rect.w,rect.h);
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
59 return [[((SDL_WindowData*)window->driverdata)->nswindow contentView] convertRectFromBase:nsrect];
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
60 }
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
61
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
62 void ConglomerateShapeTree(SDL_ShapeTree* tree,SDL_PathConglomeration cong) {
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
63 if(tree->kind == OpaqueShape) {
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
64 NSRect rect = convert_rect(tree->data.shape,cong->window);
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
65 [cong->clipPath appendBezierPathWithRect:rect];
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
66 }
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
67 }
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
68
4811
d79939f20c45 Working on Cocoa implementation.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
69 int Cocoa_SetWindowShape(SDL_WindowShaper *shaper,SDL_Surface *shape,SDL_WindowShapeMode *shapeMode) {
4827
5660aac926e9 Got basic, pre-actually-writing-anything Cocoa to build.
egottlieb
parents: 4811
diff changeset
70 SDL_ShapeData* data = (SDL_ShapeData*)shaper->driverdata;
5660aac926e9 Got basic, pre-actually-writing-anything Cocoa to build.
egottlieb
parents: 4811
diff changeset
71 if(data->saved == SDL_TRUE) {
4811
d79939f20c45 Working on Cocoa implementation.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
72 [data->context restoreGraphicsState];
4827
5660aac926e9 Got basic, pre-actually-writing-anything Cocoa to build.
egottlieb
parents: 4811
diff changeset
73 data->saved = SDL_FALSE;
4811
d79939f20c45 Working on Cocoa implementation.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
74 }
d79939f20c45 Working on Cocoa implementation.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
75
d79939f20c45 Working on Cocoa implementation.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
76 [data->context saveGraphicsState];
4827
5660aac926e9 Got basic, pre-actually-writing-anything Cocoa to build.
egottlieb
parents: 4811
diff changeset
77 data->saved = SDL_TRUE;
4811
d79939f20c45 Working on Cocoa implementation.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
78
4829
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
79 //[[NSColor clearColor] set];
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
80 //NSRectFill([[((SDL_WindowData*)shaper->window->driverdata)->nswindow contentView] frame]);
4811
d79939f20c45 Working on Cocoa implementation.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
81 /* TODO: It looks like Cocoa can set a clipping path based on a list of rectangles. That's what we get from the
d79939f20c45 Working on Cocoa implementation.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
82 Windoze shape-calculation code: a list of rectangles. This will work... I think. */
4829
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
83 NSBezierPath* clipPath = [NSBezierPath bezierPath];
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
84
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
85 SDL_PathConglomeration cong = {clipPath,shaper->window};
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
86
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
87 SDL_TraverseShapeTree(data->shape,&ConglomerateShapeTree,cong);
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
88
7160e833c4ac Implemented shaped windows for Cocoa. Still need to see if they actually work.
egottlieb
parents: 4827
diff changeset
89 [clipPath addClip];
4811
d79939f20c45 Working on Cocoa implementation.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
90 }
d79939f20c45 Working on Cocoa implementation.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
91
d79939f20c45 Working on Cocoa implementation.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
92 int Cocoa_ResizeWindowShape(SDL_Window *window) {
d79939f20c45 Working on Cocoa implementation.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
93 SDL_ShapeData* data = window->shaper->driverdata;
d79939f20c45 Working on Cocoa implementation.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
94 assert(data != NULL);
4827
5660aac926e9 Got basic, pre-actually-writing-anything Cocoa to build.
egottlieb
parents: 4811
diff changeset
95
5660aac926e9 Got basic, pre-actually-writing-anything Cocoa to build.
egottlieb
parents: 4811
diff changeset
96 if(data->shape != NULL)
5660aac926e9 Got basic, pre-actually-writing-anything Cocoa to build.
egottlieb
parents: 4811
diff changeset
97 SDL_FreeShapeTree(&data->shape);
5660aac926e9 Got basic, pre-actually-writing-anything Cocoa to build.
egottlieb
parents: 4811
diff changeset
98
4811
d79939f20c45 Working on Cocoa implementation.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
99 return 0;
d79939f20c45 Working on Cocoa implementation.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
100 }