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 along
  17  *  with this program; if not, write to the Free Software Foundation, Inc.,
  18  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  */
  20
  21 #include "wconfig.h"
  22
  23 #include <X11/Xlib.h>
  24 #include <X11/Xutil.h>
  25
  26 #include <wraster.h>
  27
  28 #include <stdlib.h>
  29 #include <string.h>
  30 #include "WindowMaker.h"
  31 #include "pixmap.h"
  32
  33 /*
  34  *----------------------------------------------------------------------
  35  * wPixmapCreateFromXPMData--
  36  *      Creates a WPixmap structure and initializes it with the supplied
  37  * XPM structure data.
  38  *
  39  * Returns:
  40  *      A WPixmap structure or NULL on failure.
  41  *
  42  * Notes:
  43  *      DEF_XPM_CLOSENESS specifies the XpmCloseness
  44  *----------------------------------------------------------------------
  45  */
  46 WPixmap *wPixmapCreateFromXPMData(WScreen * scr, char **data)
  47 {
  48         RImage *image;
  49         WPixmap *pix;
  50
  51         image = RGetImageFromXPMData(scr->rcontext, data);
  52         if (!image)
  53                 return NULL;
  54
  55         pix = wmalloc(sizeof(WPixmap));
  56         memset(pix, 0, sizeof(WPixmap));
  57
  58         RConvertImageMask(scr->rcontext, image, &pix->image, &pix->mask, 128);
  59
  60         pix->width = image->width;
  61         pix->height = image->height;
  62         pix->depth = scr->w_depth;
  63
  64         RReleaseImage(image);
  65
  66         return pix;
  67 }
  68
  69 /*
  70  *----------------------------------------------------------------------
  71  * wPixmapCreateFromXBMData--
  72  *      Creates a WPixmap structure and initializes it with the supplied
  73  * XBM structure data, size and mask.
  74  *
  75  * Returns:
  76  *      A WPixmap structure or NULL on failure.
  77  *
  78  *----------------------------------------------------------------------
  79  */
  80 WPixmap *wPixmapCreateFromXBMData(WScreen * scr, char *data, char *mask,
  81                                   int width, int height, unsigned long fg, unsigned long bg)
  82 {
  83         WPixmap *pix;
  84
  85         pix = wmalloc(sizeof(WPixmap));
  86         memset(pix, 0, sizeof(WPixmap));
  87         pix->image = XCreatePixmapFromBitmapData(dpy, scr->w_win, data, width, height, fg, bg, scr->w_depth);
  88         if (pix->image == None) {
  89                 wfree(pix);
  90                 return NULL;
  91         }
  92         if (mask) {
  93                 pix->mask = XCreateBitmapFromData(dpy, scr->w_win, mask, width, height);
  94         } else {
  95                 pix->mask = None;
  96         }
  97         pix->width = width;
  98         pix->height = height;
  99         pix->depth = scr->w_depth;
 100         return pix;
 101 }
 102
 103 WPixmap *wPixmapCreate(WScreen * scr, Pixmap image, Pixmap mask)
 104 {
 105         WPixmap *pix;
 106         Window foo;
 107         int bar;
 108         unsigned int width, height, depth, baz;
 109
 110         pix = wmalloc(sizeof(WPixmap));
 111         memset(pix, 0, sizeof(WPixmap));
 112         pix->image = image;
 113         pix->mask = mask;
 114         if (!XGetGeometry(dpy, image, &foo, &bar, &bar, &width, &height, &baz, &depth)) {
 115                 wwarning("XGetGeometry() failed during wPixmapCreate()");
 116                 wfree(pix);
 117                 return NULL;
 118         }
 119         pix->width = width;
 120         pix->height = height;
 121         pix->depth = depth;
 122         return pix;
 123 }
 124
 125 /*
 126  *----------------------------------------------------------------------
 127  * wPixmapDestroy--
 128  *      Destroys a WPixmap structure and the pixmap/mask it holds.
 129  *
 130  * Returns:
 131  *      None
 132  *----------------------------------------------------------------------
 133  */
 134 void wPixmapDestroy(WPixmap * pix)
 135 {
 136         if (!pix->shared) {
 137                 if (pix->mask && !pix->client_owned_mask) {
 138                         XFreePixmap(dpy, pix->mask);
 139                 }
 140
 141                 if (pix->image && !pix->client_owned) {
 142                         XFreePixmap(dpy, pix->image);
 143                 }
 144         }
 145         wfree(pix);
 146 }