1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
3 render.c for the Openbox window manager
4 Copyright (c) 2006 Mikael Magnusson
5 Copyright (c) 2003-2007 Dana Jansens
6 Copyright (c) 2003 Derek Foreman
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 See the COPYING file for a copy of the GNU General Public License.
31 #include <X11/Xutil.h>
32 #include <X11/Xft/Xft.h>
38 static void pixel_data_to_pixmap(RrAppearance *l,
39 gint x, gint y, gint w, gint h);
41 Pixmap RrPaintPixmap(RrAppearance *a, gint w, gint h)
43 gint i, transferred = 0, force_transfer = 0;
45 RrRect tarea; /* area in which to draw textures */
48 if (w <= 0 || h <= 0) return None;
50 if (a->surface.parentx < 0 || a->surface.parenty < 0) {
51 /* ob_debug("Invalid parent co-ordinates\n"); */
55 if (a->surface.grad == RR_SURFACE_PARENTREL &&
56 (a->surface.parentx >= a->surface.parent->w ||
57 a->surface.parenty >= a->surface.parent->h))
62 resized = (a->w != w || a->h != h);
64 oldp = a->pixmap; /* save to free after changing the visible pixmap */
65 a->pixmap = XCreatePixmap(RrDisplay(a->inst),
66 RrRootWindow(a->inst),
67 w, h, RrDepth(a->inst));
69 g_assert(a->pixmap != None);
73 if (a->xftdraw != NULL)
74 XftDrawDestroy(a->xftdraw);
75 a->xftdraw = XftDrawCreate(RrDisplay(a->inst), a->pixmap,
76 RrVisual(a->inst), RrColormap(a->inst));
77 g_assert(a->xftdraw != NULL);
80 g_free(a->surface.pixel_data);
81 a->surface.pixel_data = g_new(RrPixel32, w * h);
88 RrMargins(a, &l, &t, &r, &b);
89 RECT_SET(tarea, l, t, w - l - r, h - t - b);
92 for (i = 0; i < a->textures; i++) {
93 switch (a->texture[i].type) {
99 if ((a->surface.grad != RR_SURFACE_SOLID)
100 || (a->surface.interlaced))
101 pixel_data_to_pixmap(a, 0, 0, w, h);
103 if (a->xftdraw == NULL) {
104 a->xftdraw = XftDrawCreate(RrDisplay(a->inst), a->pixmap,
106 RrColormap(a->inst));
108 RrFontDraw(a->xftdraw, &a->texture[i].data.text, &tarea);
110 case RR_TEXTURE_LINE_ART:
113 if ((a->surface.grad != RR_SURFACE_SOLID)
114 || (a->surface.interlaced))
115 pixel_data_to_pixmap(a, 0, 0, w, h);
117 XDrawLine(RrDisplay(a->inst), a->pixmap,
118 RrColorGC(a->texture[i].data.lineart.color),
119 a->texture[i].data.lineart.x1,
120 a->texture[i].data.lineart.y1,
121 a->texture[i].data.lineart.x2,
122 a->texture[i].data.lineart.y2);
124 case RR_TEXTURE_MASK:
127 if ((a->surface.grad != RR_SURFACE_SOLID)
128 || (a->surface.interlaced))
129 pixel_data_to_pixmap(a, 0, 0, w, h);
131 RrPixmapMaskDraw(a->pixmap, &a->texture[i].data.mask, &tarea);
133 case RR_TEXTURE_RGBA:
134 g_assert(!transferred);
135 RrImageDraw(a->surface.pixel_data,
136 &a->texture[i].data.rgba,
146 if ((a->surface.grad != RR_SURFACE_SOLID) || (a->surface.interlaced) ||
149 pixel_data_to_pixmap(a, 0, 0, w, h);
156 void RrPaint(RrAppearance *a, Window win, gint w, gint h)
160 oldp = RrPaintPixmap(a, w, h);
161 XSetWindowBackgroundPixmap(RrDisplay(a->inst), win, a->pixmap);
162 XClearWindow(RrDisplay(a->inst), win);
163 /* free this after changing the visible pixmap */
164 if (oldp) XFreePixmap(RrDisplay(a->inst), oldp);
167 RrAppearance *RrAppearanceNew(const RrInstance *inst, gint numtex)
171 out = g_new0(RrAppearance, 1);
173 out->textures = numtex;
174 if (numtex) out->texture = g_new0(RrTexture, numtex);
179 void RrAppearanceAddTextures(RrAppearance *a, gint numtex)
181 g_assert(a->textures == 0);
183 a->textures = numtex;
184 if (numtex) a->texture = g_new0(RrTexture, numtex);
187 RrAppearance *RrAppearanceCopy(RrAppearance *orig)
189 RrSurface *spo, *spc;
190 RrAppearance *copy = g_new(RrAppearance, 1);
193 copy->inst = orig->inst;
195 spo = &(orig->surface);
196 spc = &(copy->surface);
197 spc->grad = spo->grad;
198 spc->relief = spo->relief;
199 spc->bevel = spo->bevel;
200 if (spo->primary != NULL)
201 spc->primary = RrColorNew(copy->inst,
205 else spc->primary = NULL;
207 if (spo->secondary != NULL)
208 spc->secondary = RrColorNew(copy->inst,
212 else spc->secondary = NULL;
214 if (spo->border_color != NULL)
215 spc->border_color = RrColorNew(copy->inst,
216 spo->border_color->r,
217 spo->border_color->g,
218 spo->border_color->b);
219 else spc->border_color = NULL;
221 if (spo->interlace_color != NULL)
222 spc->interlace_color = RrColorNew(copy->inst,
223 spo->interlace_color->r,
224 spo->interlace_color->g,
225 spo->interlace_color->b);
226 else spc->interlace_color = NULL;
228 if (spo->bevel_dark != NULL)
229 spc->bevel_dark = RrColorNew(copy->inst,
233 else spc->bevel_dark = NULL;
235 if (spo->bevel_light != NULL)
236 spc->bevel_light = RrColorNew(copy->inst,
239 spo->bevel_light->b);
240 else spc->bevel_light = NULL;
242 spc->interlaced = spo->interlaced;
243 spc->border = spo->border;
245 spc->parentx = spc->parenty = 0;
246 spc->pixel_data = NULL;
248 copy->textures = orig->textures;
249 copy->texture = g_memdup(orig->texture,
250 orig->textures * sizeof(RrTexture));
251 for (i = 0; i < copy->textures; ++i)
252 if (copy->texture[i].type == RR_TEXTURE_RGBA) {
253 copy->texture[i].data.rgba.cache = NULL;
256 copy->xftdraw = NULL;
257 copy->w = copy->h = 0;
261 void RrAppearanceFree(RrAppearance *a)
267 if (a->pixmap != None) XFreePixmap(RrDisplay(a->inst), a->pixmap);
268 if (a->xftdraw != NULL) XftDrawDestroy(a->xftdraw);
269 for (i = 0; i < a->textures; ++i)
270 if (a->texture[i].type == RR_TEXTURE_RGBA) {
271 g_free(a->texture[i].data.rgba.cache);
272 a->texture[i].data.rgba.cache = NULL;
277 RrColorFree(p->primary);
278 RrColorFree(p->secondary);
279 RrColorFree(p->border_color);
280 RrColorFree(p->interlace_color);
281 RrColorFree(p->bevel_dark);
282 RrColorFree(p->bevel_light);
283 g_free(p->pixel_data);
284 p->pixel_data = NULL;
290 static void pixel_data_to_pixmap(RrAppearance *l,
291 gint x, gint y, gint w, gint h)
293 RrPixel32 *in, *scratch;
296 im = XCreateImage(RrDisplay(l->inst), RrVisual(l->inst), RrDepth(l->inst),
297 ZPixmap, 0, NULL, w, h, 32, 0);
298 g_assert(im != NULL);
300 in = l->surface.pixel_data;
303 /* this malloc is a complete waste of time on normal 32bpp
304 as reduce_depth just sets im->data = data and returns
306 scratch = g_new(RrPixel32, im->width * im->height);
307 im->data = (gchar*) scratch;
308 RrReduceDepth(l->inst, in, im);
309 XPutImage(RrDisplay(l->inst), out,
310 DefaultGC(RrDisplay(l->inst), RrScreen(l->inst)),
311 im, 0, 0, x, y, w, h);
317 void RrMargins (RrAppearance *a, gint *l, gint *t, gint *r, gint *b)
319 *l = *t = *r = *b = 0;
321 if (a->surface.grad != RR_SURFACE_PARENTREL) {
322 if (a->surface.relief != RR_RELIEF_FLAT) {
323 switch (a->surface.bevel) {
325 *l = *t = *r = *b = 1;
328 *l = *t = *r = *b = 2;
331 } else if (a->surface.border) {
332 *l = *t = *r = *b = 1;
337 void RrMinSize(RrAppearance *a, gint *w, gint *h)
343 gint RrMinWidth(RrAppearance *a)
350 for (i = 0; i < a->textures; ++i) {
351 switch (a->texture[i].type) {
352 case RR_TEXTURE_NONE:
354 case RR_TEXTURE_MASK:
355 w = MAX(w, a->texture[i].data.mask.mask->width);
357 case RR_TEXTURE_TEXT:
358 m = RrFontMeasureString(a->texture[i].data.text.font,
359 a->texture[i].data.text.string,
360 a->texture[i].data.text.shadow_offset_x,
361 a->texture[i].data.text.shadow_offset_y);
362 w = MAX(w, m->width);
365 case RR_TEXTURE_RGBA:
366 w += MAX(w, a->texture[i].data.rgba.width);
368 case RR_TEXTURE_LINE_ART:
369 w += MAX(w, MAX(a->texture[i].data.lineart.x1,
370 a->texture[i].data.lineart.x2));
375 RrMargins(a, &l, &t, &r, &b);
383 gint RrMinHeight(RrAppearance *a)
389 for (i = 0; i < a->textures; ++i) {
390 switch (a->texture[i].type) {
391 case RR_TEXTURE_NONE:
393 case RR_TEXTURE_MASK:
394 h = MAX(h, a->texture[i].data.mask.mask->height);
396 case RR_TEXTURE_TEXT:
397 h += MAX(h, RrFontHeight(a->texture[i].data.text.font,
398 a->texture[i].data.text.shadow_offset_y));
400 case RR_TEXTURE_RGBA:
401 h += MAX(h, a->texture[i].data.rgba.height);
403 case RR_TEXTURE_LINE_ART:
404 h += MAX(h, MAX(a->texture[i].data.lineart.y1,
405 a->texture[i].data.lineart.y2));
410 RrMargins(a, &l, &t, &r, &b);
418 static void reverse_bits(gchar *c, gint n)
421 for (i = 0; i < n; i++, c++)
422 *c = (((*c * 0x0802UL & 0x22110UL) |
423 (*c * 0x8020UL & 0x88440UL)) * 0x10101UL) >> 16;
426 gboolean RrPixmapToRGBA(const RrInstance *inst,
427 Pixmap pmap, Pixmap mask,
428 gint *w, gint *h, RrPixel32 **data)
432 guint pw, ph, mw, mh, xb, xd, i, x, y, di;
433 XImage *xi, *xm = NULL;
435 if (!XGetGeometry(RrDisplay(inst), pmap,
436 &xr, &xx, &xy, &pw, &ph, &xb, &xd))
440 if (!XGetGeometry(RrDisplay(inst), mask,
441 &xr, &xx, &xy, &mw, &mh, &xb, &xd))
443 if (pw != mw || ph != mh || xd != 1)
447 xi = XGetImage(RrDisplay(inst), pmap,
448 0, 0, pw, ph, 0xffffffff, ZPixmap);
453 xm = XGetImage(RrDisplay(inst), mask,
454 0, 0, mw, mh, 0xffffffff, ZPixmap);
459 if ((xm->bits_per_pixel == 1) && (xm->bitmap_bit_order != LSBFirst))
460 reverse_bits(xm->data, xm->bytes_per_line * xm->height);
463 if ((xi->bits_per_pixel == 1) && (xi->bitmap_bit_order != LSBFirst))
464 reverse_bits(xi->data, xi->bytes_per_line * xi->height);
466 *data = g_new(RrPixel32, pw * ph);
467 RrIncreaseDepth(inst, *data, xi);
470 /* apply transparency from the mask */
472 for (i = 0, y = 0; y < ph; ++y) {
473 for (x = 0; x < pw; ++x, ++i) {
474 if (!((((unsigned)xm->data[di + x / 8]) >> (x % 8)) & 0x1))
475 (*data)[i] &= ~(0xff << RrDefaultAlphaOffset);
477 di += xm->bytes_per_line;