src/pixmap.c

   1 /*
   2  *  Window Maker window manager
   3  *
   4  *  Copyright (c) 1997-2003 Alfredo K. Kojima
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19  *  USA.
  20  */
  21
  22 #include "wconfig.h"
  23
  24 #include <X11/Xlib.h>
  25 #include <X11/Xutil.h>
  26
  27 #include <wraster.h>
  28
  29 #include <stdlib.h>
  30 #include <string.h>
  31 #include "WindowMaker.h"
  32 #include "pixmap.h"
  33
  34 /*
  35  *----------------------------------------------------------------------
  36  * wPixmapCreateFromXPMData--
  37  *      Creates a WPixmap structure and initializes it with the supplied
  38  * XPM structure data.
  39  *
  40  * Returns:
  41  *      A WPixmap structure or NULL on failure.
  42  *
  43  * Notes:
  44  *      DEF_XPM_CLOSENESS specifies the XpmCloseness
  45  *----------------------------------------------------------------------
  46  */
  47 WPixmap *wPixmapCreateFromXPMData(WScreen * scr, char **data)
  48 {
  49         RImage *image;
  50         WPixmap *pix;
  51
  52         image = RGetImageFromXPMData(scr->rcontext, data);
  53         if (!image)
  54                 return NULL;
  55
  56         pix = wmalloc(sizeof(WPixmap));
  57         memset(pix, 0, sizeof(WPixmap));
  58
  59         RConvertImageMask(scr->rcontext, image, &pix->image, &pix->mask, 128);
  60
  61         pix->width = image->width;
  62         pix->height = image->height;
  63         pix->depth = scr->w_depth;
  64
  65         RReleaseImage(image);
  66
  67         return pix;
  68 }
  69
  70 /*
  71  *----------------------------------------------------------------------
  72  * wPixmapCreateFromXBMData--
  73  *      Creates a WPixmap structure and initializes it with the supplied
  74  * XBM structure data, size and mask.
  75  *
  76  * Returns:
  77  *      A WPixmap structure or NULL on failure.
  78  *
  79  *----------------------------------------------------------------------
  80  */
  81 WPixmap *wPixmapCreateFromXBMData(WScreen * scr, char *data, char *mask,
  82                                   int width, int height, unsigned long fg, unsigned long bg)
  83 {
  84         WPixmap *pix;
  85
  86         pix = wmalloc(sizeof(WPixmap));
  87         memset(pix, 0, sizeof(WPixmap));
  88         pix->image = XCreatePixmapFromBitmapData(dpy, scr->w_win, data, width, height, fg, bg, scr->w_depth);
  89         if (pix->image == None) {
  90                 wfree(pix);
  91                 return NULL;
  92         }
  93         if (mask) {
  94                 pix->mask = XCreateBitmapFromData(dpy, scr->w_win, mask, width, height);
  95         } else {
  96                 pix->mask = None;
  97         }
  98         pix->width = width;
  99         pix->height = height;
 100         pix->depth = scr->w_depth;
 101         return pix;
 102 }
 103
 104 WPixmap *wPixmapCreate(WScreen * scr, Pixmap image, Pixmap mask)
 105 {
 106         WPixmap *pix;
 107         Window foo;
 108         int bar;
 109         unsigned int width, height, depth, baz;
 110
 111         pix = wmalloc(sizeof(WPixmap));
 112         memset(pix, 0, sizeof(WPixmap));
 113         pix->image = image;
 114         pix->mask = mask;
 115         if (!XGetGeometry(dpy, image, &foo, &bar, &bar, &width, &height, &baz, &depth)) {
 116                 wwarning("XGetGeometry() failed during wPixmapCreate()");
 117                 wfree(pix);
 118                 return NULL;
 119         }
 120         pix->width = width;
 121         pix->height = height;
 122         pix->depth = depth;
 123         return pix;
 124 }
 125
 126 /*
 127  *----------------------------------------------------------------------
 128  * wPixmapDestroy--
 129  *      Destroys a WPixmap structure and the pixmap/mask it holds.
 130  *
 131  * Returns:
 132  *      None
 133  *----------------------------------------------------------------------
 134  */
 135 void wPixmapDestroy(WPixmap * pix)
 136 {
 137         if (!pix->shared) {
 138                 if (pix->mask && !pix->client_owned_mask) {
 139                         XFreePixmap(dpy, pix->mask);
 140                 }
 141
 142                 if (pix->image && !pix->client_owned) {
 143                         XFreePixmap(dpy, pix->image);
 144                 }
 145         }
 146         wfree(pix);
 147 }