1 /*--------------------------------*-C-*---------------------------------*
3 *----------------------------------------------------------------------*
5 * All portions of code are copyright by their respective author/s.
6 * Copyright (c) 1997 Carsten Haitzler <raster@zip.com.au>
7 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
8 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 *---------------------------------------------------------------------*/
25 #include "../config.h" /* NECESSARY */
26 #include "rxvt.h" /* NECESSARY */
30 static void rxvt_pixmap_incr (unsigned int *wh, unsigned int *xy, float *incr, float *p, unsigned int widthheight, unsigned int xpmwidthheight);
33 * These GEOM strings indicate absolute size/position:
36 * @ `WxH' -> Y = X = 50
38 * @ `W+X' -> H = W, Y = X
39 * @ `W' -> H = W, X = Y = 50
40 * @ `0xH' -> H *= H/100, X = Y = 50 (W unchanged)
41 * @ `Wx0' -> W *= W/100, X = Y = 50 (H unchanged)
42 * @ `=+X+Y' -> (H, W unchanged)
43 * @ `=+X' -> Y = X (H, W unchanged)
45 * These GEOM strings adjust position relative to current position:
49 * And this GEOM string is for querying current scale/position:
53 rxvt_term::scale_pixmap (const char *geom)
55 int flags, changed = 0;
57 unsigned int w = 0, h = 0;
60 bgPixmap_t *bgpixmap = & (bgPixmap);
62 #define MAXLEN_GEOM sizeof("[1000x1000+1000+1000]")
66 str = (char *)rxvt_malloc (MAXLEN_GEOM + 1);
67 if (!strcmp (geom, "?"))
69 sprintf (str, "[%dx%d+%d+%d]", /* can't presume snprintf () ! */
70 min (bgpixmap->w, 9999), min (bgpixmap->h, 9999),
71 min (bgpixmap->x, 9999), min (bgpixmap->y, 9999));
72 process_xterm_seq (XTerm_title, str, CHAR_ST);
77 if ((p = strchr (geom, ';')) == NULL)
78 p = strchr (geom, '\0');
82 strncpy (str, geom, n);
85 flags = XParseGeometry (str, &x, &y, &w, &h);
90 } /* default is tile */
91 if (flags & WidthValue)
93 if (! (flags & XValue))
95 if (! (flags & HeightValue))
99 w = (bgpixmap->w * w) / 100;
105 h = (bgpixmap->h * h) / 100;
111 if (bgpixmap->w != (short)w)
113 bgpixmap->w = (short)w;
116 if (bgpixmap->h != (short)h)
118 bgpixmap->h = (short)h;
122 if (! (flags & YValue))
124 if (flags & XNegative)
129 if (! (flags & WidthValue) && geom[0] != '=')
136 if (flags & XNegative)
138 if (flags & YNegative)
145 if (bgpixmap->x != x)
150 if (bgpixmap->y != y)
161 rxvt_term::resize_pixmap ()
168 XFreePixmap (disp, pixmap);
170 if (bgPixmap.pixmap == None)
171 { /* So be it: I'm not using pixmaps */
174 if (!OPTION (Opt_transparent) || !am_transparent)
175 XSetWindowBackground (disp, vt, pix_colors[Color_bg]);
180 gcvalue.foreground = pix_colors[Color_bg];
181 gc = XCreateGC (disp, vt, GCForeground, &gcvalue);
183 if (bgPixmap.pixmap != None)
184 { /* we have a specified pixmap */
185 unsigned int w = bgPixmap.w, h = bgPixmap.h,
186 x = bgPixmap.x, y = bgPixmap.y;
187 unsigned int xpmh = xpmAttr.height,
188 xpmw = xpmAttr.width;
191 * don't zoom pixmap too much nor expand really small pixmaps
193 if (w > 1000 || h > 1000)
195 else if (width > (10 * xpmw)
196 || height > (10 * xpmh))
201 /* basic X tiling - let the X server do it */
202 pixmap = XCreatePixmap (disp, vt, xpmw, xpmh,
203 (unsigned int)display->depth);
204 XCopyArea (disp, bgPixmap.pixmap, pixmap, gc,
205 0, 0, xpmw, xpmh, 0, 0);
212 pixmap = XCreatePixmap (disp, vt, width, height,
213 (unsigned int)display->depth);
217 rxvt_pixmap_incr (&w, &x, &incr, &p, width, xpmw);
219 tmp = XCreatePixmap (disp, vt, width, xpmh, (unsigned int)display->depth);
220 XFillRectangle (disp, tmp, gc, 0, 0, width, xpmh);
222 for ( /*nil */ ; x < w; x++, p += incr)
226 /* copy one column from the original pixmap to the tmp pixmap */
227 XCopyArea (disp, bgPixmap.pixmap, tmp, gc,
228 (int)p, 0, 1, xpmh, (int)x, 0);
234 rxvt_pixmap_incr (&h, &y, &incr, &p, height, xpmh);
237 XFillRectangle (disp, pixmap, gc, 0, 0, width, y);
240 XFillRectangle (disp, pixmap, gc, 0, (int)h, width, height - h + 1);
242 for ( /*nil */ ; y < h; y++, p += incr)
247 /* copy one row from the tmp pixmap to the main pixmap */
248 XCopyArea (disp, tmp, pixmap, gc,
249 0, (int)p, width, 1, 0, (int)y);
252 XFreePixmap (disp, tmp);
256 XSetWindowBackgroundPixmap (disp, vt, pixmap);
262 * Calculate tiling sizes and increments
263 * At start, p == 0, incr == xpmwidthheight
266 rxvt_pixmap_incr (unsigned int *wh, unsigned int *xy, float *incr, float *p, unsigned int widthheight, unsigned int xpmwidthheight)
268 unsigned int cwh, cxy;
272 cincr = (float)xpmwidthheight;
276 { /* display one image, no horizontal/vertical scaling */
277 cincr = (float)widthheight;
278 if (xpmwidthheight <= widthheight)
280 cwh = xpmwidthheight;
281 cxy = (cxy * (widthheight - cwh)) / 100; /* beware! order */
291 { /* fit WH images across/down screen */
298 cincr *= 100.0 / cwh;
303 cwh = (cwh * widthheight) / 100;
304 pos = (float)cxy / 100 * widthheight - (cwh / 2);
306 cxy = (widthheight - cwh);
319 pos = (float)cxy / 100 * xpmwidthheight - (cincr / 2);
320 cp = xpmwidthheight - cincr;
330 cincr /= widthheight;
338 rxvt_term::set_bgPixmap (const char *file)
342 assert (file != NULL);
344 if (bgPixmap.pixmap != None)
346 XFreePixmap (display->display, bgPixmap.pixmap);
347 bgPixmap.pixmap = None;
350 XSetWindowBackground (display->display, vt, pix_colors[Color_bg]);
354 /* XWindowAttributes attr; */
357 * we already have the required attributes
359 /* XGetWindowAttributes (display->display, vt, &attr); */
361 xpmAttr.closeness = 30000;
362 xpmAttr.colormap = display->cmap;
363 xpmAttr.visual = display->visual;
364 xpmAttr.depth = display->depth;
365 xpmAttr.valuemask = (XpmCloseness | XpmColormap | XpmVisual |
366 XpmDepth | XpmSize | XpmReturnPixels);
368 /* search environment variables here too */
369 f = (char *)rxvt_File_find (file, ".xpm", rs[Rs_path]);
371 || XpmReadFileToPixmap (display->display, display->root, f,
372 &bgPixmap.pixmap, NULL,
377 /* semi-colon delimited */
378 if ((p = strchr (file, ';')) == NULL)
379 p = strchr (file, '\0');
381 rxvt_warn ("couldn't load XPM file \"%.*s\", ignoring.\n", (p - file), file);
388 return bgPixmap.pixmap;
391 #endif /* XPM_BACKGROUND */