annotate src/video/x11/SDL_x11shape.c @ 4789:a6bc01875d20

Fixed a pair of syntax errors.
author Eli Gottlieb <eligottlieb@gmail.com>
date Sun, 11 Jul 2010 17:11:22 -0400
parents e25ad8d97027
children e07cd9e86d7a
rev   line source
4777
6e03d73054d7 Fixed names of driver-specific implementation files.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
1 /*
6e03d73054d7 Fixed names of driver-specific implementation files.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
2 SDL - Simple DirectMedia Layer
6e03d73054d7 Fixed names of driver-specific implementation files.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
3 Copyright (C) 2010 Eli Gottlieb
6e03d73054d7 Fixed names of driver-specific implementation files.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
4
6e03d73054d7 Fixed names of driver-specific implementation files.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
5 This library is free software; you can redistribute it and/or
6e03d73054d7 Fixed names of driver-specific implementation files.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
6 modify it under the terms of the GNU Lesser General Public
6e03d73054d7 Fixed names of driver-specific implementation files.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
7 License as published by the Free Software Foundation; either
6e03d73054d7 Fixed names of driver-specific implementation files.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
8 version 2.1 of the License, or (at your option) any later version.
6e03d73054d7 Fixed names of driver-specific implementation files.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
9
6e03d73054d7 Fixed names of driver-specific implementation files.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
10 This library is distributed in the hope that it will be useful,
6e03d73054d7 Fixed names of driver-specific implementation files.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
6e03d73054d7 Fixed names of driver-specific implementation files.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
6e03d73054d7 Fixed names of driver-specific implementation files.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
13 Lesser General Public License for more details.
6e03d73054d7 Fixed names of driver-specific implementation files.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
14
6e03d73054d7 Fixed names of driver-specific implementation files.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
15 You should have received a copy of the GNU Lesser General Public
6e03d73054d7 Fixed names of driver-specific implementation files.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
16 License along with this library; if not, write to the Free Software
6e03d73054d7 Fixed names of driver-specific implementation files.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
6e03d73054d7 Fixed names of driver-specific implementation files.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
18
6e03d73054d7 Fixed names of driver-specific implementation files.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
19 Eli Gottlieb
6e03d73054d7 Fixed names of driver-specific implementation files.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
20 eligottlieb@gmail.com
6e03d73054d7 Fixed names of driver-specific implementation files.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
21 */
6e03d73054d7 Fixed names of driver-specific implementation files.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
22
4786
175da36d1342 Fixed up shape files as best I can.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4785
diff changeset
23 #include <assert.h>
4782
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
24 #include <X11/extensions/shape.h>
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
25 #include "SDL_x11shape.h"
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
26 #include "SDL_x11window.h"
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
27 #include "SDL_x11video.h"
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
28
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
29 SDL_WindowShaper* X11_CreateShaper(SDL_Window* window) {
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
30 SDL_WindowShaper* result = malloc(sizeof(SDL_WindowShaper));
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
31 result->window = window;
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
32 result->alphacutoff = 0;
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
33 result->usershownflag = 0;
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
34 result->driverdata = malloc(sizeof(SDL_ShapeData));
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
35 window->shaper = result;
4789
a6bc01875d20 Fixed a pair of syntax errors.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4787
diff changeset
36 int resized_properly = X11_ResizeWindowShape(window);
4782
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
37 assert(resized_properly == 0);
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
38 return result;
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
39 }
4777
6e03d73054d7 Fixed names of driver-specific implementation files.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
40
4782
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
41 int X11_ResizeWindowShape(SDL_Window* window) {
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
42 SDL_ShapeData* data = window->shaper->driverdata;
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
43 assert(data != NULL);
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
44
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
45 unsigned int bitmapsize = window->w / 8;
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
46 if(window->w % 8 > 0)
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
47 bitmapsize += 1;
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
48 bitmapsize *= window->h;
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
49 if(data->bitmapsize != bitmapsize || data->bitmap == NULL) {
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
50 data->bitmapsize = bitmapsize;
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
51 if(data->bitmap != NULL)
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
52 free(data->bitmap);
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
53 data->bitmap = malloc(data->bitmapsize);
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
54 if(data->bitmap == NULL) {
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
55 SDL_SetError("Could not allocate memory for shaped-window bitmap.");
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
56 return -1;
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
57 }
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
58 }
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
59
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
60 window->shaper->usershownflag = window->flags & SDL_WINDOW_SHOWN;
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
61
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
62 return 0;
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
63 }
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
64
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
65 int X11_SetWindowShape(SDL_WindowShaper *shaper,SDL_Surface *shape,SDL_WindowShapeMode *shapeMode) {
4787
e25ad8d97027 Ported over, to the best of my ability, the code for Win32 shaped windows and patched in the correct C syntax and coding conventions of SDL.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4786
diff changeset
66 if(shaper == NULL || shape == NULL || shaper->driverdata == NULL)
e25ad8d97027 Ported over, to the best of my ability, the code for Win32 shaped windows and patched in the correct C syntax and coding conventions of SDL.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4786
diff changeset
67 return -1;
4782
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
68 if(!SDL_ISPIXELFORMAT_ALPHA(SDL_MasksToPixelFormatEnum(shape->format->BitsPerPixel,shape->format->Rmask,shape->format->Gmask,shape->format->Bmask,shape->format->Amask)))
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
69 return -2;
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
70 if(shape->w != shaper->window->w || shape->h != shaper->window->h)
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
71 return -3;
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
72 SDL_ShapeData *data = shaper->driverdata;
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
73
4785
ef8b32ef9793 Updated test code, updated win32 code a bit (still not complete, but hopefully tonight), and removed the last vestiges of ellipse and polygon drawing support.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4784
diff changeset
74 /* Assume that shaper->alphacutoff already has a value, because SDL_SetWindowShape() should have given it one. */
ef8b32ef9793 Updated test code, updated win32 code a bit (still not complete, but hopefully tonight), and removed the last vestiges of ellipse and polygon drawing support.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4784
diff changeset
75 SDL_CalculateShapeBitmap(shaper->alphacutoff,shape,data->bitmap,8,1);
4782
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
76
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
77 SDL_WindowData *windowdata = (SDL_WindowData*)(shaper->window->driverdata);
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
78 Pixmap shapemask = XCreateBitmapFromData(windowdata->videodata->display,windowdata->xwindow,data->bitmap,shaper->window->w,shaper->window->h);
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
79
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
80 XShapeCombineMask(windowdata->videodata->display,windowdata->xwindow, ShapeBounding, 0, 0,shapemask, ShapeSet);
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
81 XSync(windowdata->videodata->display,False);
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
82
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
83 XFreePixmap(windowdata->videodata->display,shapemask);
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
84
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
85 return 0;
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4777
diff changeset
86 }