Change to the linux kernel coding style
[wmaker-crm.git] / 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 "wcore.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 #ifdef unused
105 WPixmap *wPixmapCreateFromBitmap(WScreen * scr, Pixmap bitmap, Pixmap mask, unsigned long fg, unsigned long bg)
106 {
107         WPixmap *pix;
108         XImage *img, *img2;
109         Window foo;
110         int bar, x, y;
111         Pixmap pixmap;
112         unsigned int width, height, baz, d;
113
114         if (!XGetGeometry(dpy, bitmap, &foo, &bar, &bar, &width, &height, &baz, &d) || d != 1) {
115                 return NULL;
116         }
117         img = XGetImage(dpy, bitmap, 0, 0, width, height, AllPlanes, XYPixmap);
118         if (!img)
119                 return NULL;
120
121         img2 = XCreateImage(dpy, scr->w_visual, scr->w_depth, ZPixmap, 0, NULL, width, height, 8, 0);
122         if (!img2) {
123                 XDestroyImage(img);
124                 return NULL;
125         }
126
127         pixmap = XCreatePixmap(dpy, scr->w_win, width, height, scr->w_depth);
128         if (pixmap == None) {
129                 XDestroyImage(img);
130                 XDestroyImage(img2);
131                 return NULL;
132         }
133
134         img2->data = wmalloc(height * img2->bytes_per_line);
135
136         for (y = 0; y < height; y++) {
137                 for (x = 0; x < width; x++) {
138                         if (XGetPixel(img, x, y) == 0) {
139                                 XPutPixel(img2, x, y, bg);
140                         } else {
141                                 XPutPixel(img2, x, y, fg);
142                         }
143                 }
144         }
145         XSetClipMask(dpy, scr->copy_gc, None);
146         XPutImage(dpy, pixmap, scr->copy_gc, img2, 0, 0, 0, 0, width, height);
147         XDestroyImage(img);
148         XDestroyImage(img2);
149
150         pix = wmalloc(sizeof(WPixmap));
151         memset(pix, 0, sizeof(WPixmap));
152         pix->image = pixmap;
153         pix->mask = mask;
154         pix->width = width;
155         pix->height = height;
156         pix->depth = scr->w_depth;
157         return pix;
158 }
159 #endif                          /* unused */
160
161 WPixmap *wPixmapCreate(WScreen * scr, Pixmap image, Pixmap mask)
162 {
163         WPixmap *pix;
164         Window foo;
165         int bar;
166         unsigned int width, height, depth, baz;
167
168         pix = wmalloc(sizeof(WPixmap));
169         memset(pix, 0, sizeof(WPixmap));
170         pix->image = image;
171         pix->mask = mask;
172         if (!XGetGeometry(dpy, image, &foo, &bar, &bar, &width, &height, &baz, &depth)) {
173                 wwarning("XGetGeometry() failed during wPixmapCreate()");
174                 wfree(pix);
175                 return NULL;
176         }
177         pix->width = width;
178         pix->height = height;
179         pix->depth = depth;
180         return pix;
181 }
182
183 #if 0
184 /*
185  *----------------------------------------------------------------------
186  * wPixmapLoadXBMFile--
187  *      Creates a WPixmap structure and loads a XBM file into it with
188  * an optional mask file. If a mask is not wanted, mask_path should be
189  * NULL.
190  *
191  * Returns:
192  *      A WPixmap structure or NULL on failure.
193  *
194  * Notes:
195  *      If the mask bitmap is not successfully loaded the operation
196  * continues as no mask was supplied.
197  *----------------------------------------------------------------------
198  */
199 WPixmap *wPixmapLoadXBMFile(WScreen * scr, char *path, char *mask_path)
200 {
201         WPixmap *pix;
202         int junk;
203
204         if (!path)
205                 return NULL;
206
207         pix = wmalloc(sizeof(WPixmap));
208         memset(pix, 0, sizeof(WPixmap));
209
210         if (XReadBitmapFile(dpy, scr->w_win, path, (unsigned *)&(pix->width),
211                             (unsigned *)&(pix->height), &(pix->image), &junk, &junk) != BitmapSuccess) {
212                 wfree(pix);
213                 return NULL;
214         }
215         if (mask_path != NULL) {
216                 if (XReadBitmapFile(dpy, scr->w_win, path, (unsigned *)&junk,
217                                     (unsigned *)&junk, &(pix->mask), &junk, &junk) != BitmapSuccess) {
218                         wwarning(_("could not load mask bitmap file \"%s\". Won't use mask"), mask_path);
219                         pix->mask = None;
220                 }
221         } else {
222                 pix->mask = None;
223         }
224         pix->depth = 1;
225         return pix;
226 }
227
228 #endif
229
230 /*
231  *----------------------------------------------------------------------
232  * wPixmapDestroy--
233  *      Destroys a WPixmap structure and the pixmap/mask it holds.
234  *
235  * Returns:
236  *      None
237  *----------------------------------------------------------------------
238  */
239 void wPixmapDestroy(WPixmap * pix)
240 {
241         if (!pix->shared) {
242                 if (pix->mask && !pix->client_owned_mask) {
243                         XFreePixmap(dpy, pix->mask);
244                 }
245
246                 if (pix->image && !pix->client_owned) {
247                         XFreePixmap(dpy, pix->image);
248                 }
249         }
250         wfree(pix);
251 }