libdockapp/src/dapixmap.c

   1 /*
   2  * Copyright (c) 1999-2005 Alfredo K. Kojima, Alban Hertroys
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a copy
   5  * of this software and associated documentation files (the "Software"), to deal
   6  * in the Software without restriction, including without limitation the rights
   7  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   8  * copies of the Software, and to permit persons to whom the Software is
   9  * furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
  17  * AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  18  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  19  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  20
  21  */
  22
  23 #include <X11/Xlib.h>
  24 #include <X11/xpm.h>
  25 #include <X11/extensions/shape.h>
  26 #include <X11/Xatom.h>
  27
  28 #include "dockapp.h"
  29 #include "daargs.h"
  30
  31 extern struct DAContext *_daContext;
  32
  33 /* Local typedef */
  34 typedef enum {
  35     daXpmSourceData,
  36     daXpmSourceFile
  37 } daXpmSource;
  38
  39 /* Function prototype */
  40 Bool _daMakePixmap(daXpmSource source,
  41         char **data, Pixmap *pixmap, Pixmap *mask,
  42         unsigned short *width, unsigned short *height);
  43
  44
  45
  46 void
  47 DASetShapeWithOffset(Pixmap shapeMask, int x_ofs, int y_ofs)
  48 {
  49     DASetShapeWithOffsetForWindow(DAWindow, shapeMask, x_ofs, y_ofs);
  50 }
  51
  52 void
  53 DASetShapeWithOffsetForWindow(Window window, Pixmap shapeMask,
  54         int x_ofs, int y_ofs)
  55 {
  56     XShapeCombineMask(DADisplay, window, ShapeBounding, -x_ofs, -y_ofs,
  57             shapeMask, ShapeSet);
  58     XFlush(DADisplay);
  59 }
  60
  61 void
  62 DASetPixmap(Pixmap pixmap)
  63 {
  64     DASetPixmapForWindow(DAWindow, pixmap);
  65 }
  66
  67 void
  68 DASetPixmapForWindow(Window window, Pixmap pixmap)
  69 {
  70     XSetWindowBackgroundPixmap(DADisplay, window, pixmap);
  71     XClearWindow(DADisplay, window);
  72     XFlush(DADisplay);
  73 }
  74
  75 Pixmap
  76 DAMakePixmap(void)
  77 {
  78     return (XCreatePixmap(DADisplay, DAWindow,
  79                 _daContext->width, _daContext->height,
  80                 DADepth));
  81 }
  82
  83 Pixmap
  84 DAMakeShape(void)
  85 {
  86     return (XCreatePixmap(DADisplay, DAWindow,
  87                 _daContext->width, _daContext->height,
  88                 1));
  89 }
  90
  91 Bool
  92 DAMakePixmapFromData(char **data, Pixmap *pixmap, Pixmap *mask,
  93         unsigned short *width, unsigned short *height)
  94 {
  95     return _daMakePixmap(daXpmSourceData, data,
  96             pixmap, mask,
  97             width, height);
  98 }
  99
 100 Bool
 101 DAMakePixmapFromFile(char *filename, Pixmap *pixmap, Pixmap *mask,
 102         unsigned short *width, unsigned short *height)
 103 {
 104     if (access(filename, R_OK) < 0)
 105         return False;
 106
 107     return _daMakePixmap(daXpmSourceFile, (char**)filename,
 108             pixmap, mask,
 109             width, height);
 110 }
 111
 112
 113
 114 Bool
 115 _daMakePixmap(daXpmSource source,
 116         char **data, Pixmap *pixmap, Pixmap *mask,
 117         unsigned short *width, unsigned short *height)
 118 {
 119     XpmAttributes       xpmAttr;
 120
 121     xpmAttr.valuemask = XpmCloseness;
 122     xpmAttr.closeness = 40000;
 123
 124
 125     if (source == daXpmSourceData
 126             && (XpmCreatePixmapFromData(
 127                     DADisplay, DAWindow, data, pixmap, mask, &xpmAttr) != 0))
 128         return False;
 129
 130     else if (source == daXpmSourceFile
 131             && (XpmReadFileToPixmap(
 132                     DADisplay, DAWindow, (char*)data, pixmap, mask, &xpmAttr) != 0))
 133         return False;
 134
 135     *width = xpmAttr.width;
 136     *height = xpmAttr.height;
 137
 138     return True;
 139 }
 140