Mercurial > sdl-ios-xcode
annotate src/video/Xext/XmuStdCmap/DelCmap.c @ 4590:1ad70fb49fcb
Fix so many things that there is little place in this column to list them all but the result is that blending modes just work now for drawing primitives.
Fixes involved:
1. Fix handling of alpha channel when SDL_BLENDMODE_NONE is set.
2. Make xrendercolor use floating-point values for color channels and then convert to 16 bit ints.
3. Fix handling of visuals in SDL_x11modes.c so that a 32 bit ARGB visual is used.
4. Fix the background pixel value in SDL_x11window.c so that the window background has an alpha value of 0xFF and not 0.
author | Sunny Sachanandani <sunnysachanandani@gmail.com> |
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date | Fri, 09 Jul 2010 21:36:41 +0530 |
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This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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1 /* $Xorg: DelCmap.c,v 1.4 2001/02/09 02:03:52 xorgcvs Exp $ */ |
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2 |
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3 /* |
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4 |
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5 Copyright 1989, 1998 The Open Group |
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6 |
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7 Permission to use, copy, modify, distribute, and sell this software and its |
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8 documentation for any purpose is hereby granted without fee, provided that |
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9 the above copyright notice appear in all copies and that both that |
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10 copyright notice and this permission notice appear in supporting |
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11 documentation. |
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12 |
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13 The above copyright notice and this permission notice shall be included in |
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This code adds support for DirectColor visuals to SDL 1.3. The support uses part of the Xmu library. To ensure that the library is
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14 all copies or substantial portions of the Software. |
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15 |
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16 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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17 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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18 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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19 OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN |
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20 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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21 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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22 |
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23 Except as contained in this notice, the name of The Open Group shall not be |
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24 used in advertising or otherwise to promote the sale, use or other dealings |
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25 in this Software without prior written authorization from The Open Group. |
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26 |
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27 */ |
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28 /* $XFree86: xc/lib/Xmu/DelCmap.c,v 1.6 2001/01/17 19:42:54 dawes Exp $ */ |
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29 |
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30 /* |
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31 * Author: Donna Converse, MIT X Consortium |
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32 */ |
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33 |
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34 #ifdef HAVE_CONFIG_H |
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35 #include <config.h> |
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36 #endif |
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37 #include <X11/Xlib.h> |
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38 #include <X11/Xutil.h> |
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39 #include "../extensions/StdCmap.h" |
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40 |
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41 /* To remove any standard colormap property, use XmuDeleteStandardColormap(). |
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42 * XmuDeleteStandardColormap() will remove the specified property from the |
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43 * specified screen, releasing any resources used by the colormap(s) of the |
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44 * property if possible. |
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45 */ |
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46 |
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47 void |
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48 XmuDeleteStandardColormap(Display * dpy, int screen, Atom property) |
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49 /* dpy; - specifies the X server to connect to |
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50 * screen - specifies the screen of the display |
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51 * property - specifies the standard colormap property |
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52 */ |
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53 { |
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54 XStandardColormap *stdcmaps, *s; |
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55 int count = 0; |
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56 |
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57 if (XGetRGBColormaps(dpy, RootWindow(dpy, screen), &stdcmaps, &count, |
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58 property)) { |
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59 for (s = stdcmaps; count > 0; count--, s++) { |
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60 if ((s->killid == ReleaseByFreeingColormap) && |
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61 (s->colormap != None) && |
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62 (s->colormap != DefaultColormap(dpy, screen))) |
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63 XFreeColormap(dpy, s->colormap); |
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64 else if (s->killid != None) |
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65 XKillClient(dpy, s->killid); |
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66 } |
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67 XDeleteProperty(dpy, RootWindow(dpy, screen), property); |
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68 XFree((char *) stdcmaps); |
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69 XSync(dpy, False); |
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70 } |
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71 } |