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);
136 RrRect narea = tarea;
137 RrTextureRGBA *rgb = &a->texture[i].data.rgba;
139 narea.width = MIN(tarea.width, rgb->twidth);
141 narea.height = MIN(tarea.height, rgb->theight);
144 RrImageDraw(a->surface.pixel_data,
145 &a->texture[i].data.rgba,
156 if ((a->surface.grad != RR_SURFACE_SOLID) || (a->surface.interlaced) ||
159 pixel_data_to_pixmap(a, 0, 0, w, h);
166 void RrPaint(RrAppearance *a, Window win, gint w, gint h)
170 oldp = RrPaintPixmap(a, w, h);
171 XSetWindowBackgroundPixmap(RrDisplay(a->inst), win, a->pixmap);
172 XClearWindow(RrDisplay(a->inst), win);
173 /* free this after changing the visible pixmap */
174 if (oldp) XFreePixmap(RrDisplay(a->inst), oldp);
177 RrAppearance *RrAppearanceNew(const RrInstance *inst, gint numtex)
181 out = g_new0(RrAppearance, 1);
183 out->textures = numtex;
184 out->surface.bevel_light_adjust = 128;
185 out->surface.bevel_dark_adjust = 64;
186 if (numtex) out->texture = g_new0(RrTexture, numtex);
191 void RrAppearanceRemoveTextures(RrAppearance *a)
197 void RrAppearanceAddTextures(RrAppearance *a, gint numtex)
199 g_assert(a->textures == 0);
201 a->textures = numtex;
202 if (numtex) a->texture = g_new0(RrTexture, numtex);
205 RrAppearance *RrAppearanceCopy(RrAppearance *orig)
207 RrSurface *spo, *spc;
208 RrAppearance *copy = g_new(RrAppearance, 1);
211 copy->inst = orig->inst;
213 spo = &(orig->surface);
214 spc = &(copy->surface);
215 spc->grad = spo->grad;
216 spc->relief = spo->relief;
217 spc->bevel = spo->bevel;
218 if (spo->primary != NULL)
219 spc->primary = RrColorNew(copy->inst,
223 else spc->primary = NULL;
225 if (spo->secondary != NULL)
226 spc->secondary = RrColorNew(copy->inst,
230 else spc->secondary = NULL;
232 if (spo->border_color != NULL)
233 spc->border_color = RrColorNew(copy->inst,
234 spo->border_color->r,
235 spo->border_color->g,
236 spo->border_color->b);
237 else spc->border_color = NULL;
239 if (spo->interlace_color != NULL)
240 spc->interlace_color = RrColorNew(copy->inst,
241 spo->interlace_color->r,
242 spo->interlace_color->g,
243 spo->interlace_color->b);
244 else spc->interlace_color = NULL;
246 if (spo->bevel_dark != NULL)
247 spc->bevel_dark = RrColorNew(copy->inst,
251 else spc->bevel_dark = NULL;
253 if (spo->bevel_light != NULL)
254 spc->bevel_light = RrColorNew(copy->inst,
257 spo->bevel_light->b);
258 else spc->bevel_light = NULL;
260 if (spo->split_primary != NULL)
261 spc->split_primary = RrColorNew(copy->inst,
262 spo->split_primary->r,
263 spo->split_primary->g,
264 spo->split_primary->b);
265 else spc->split_primary = NULL;
267 if (spo->split_secondary != NULL)
268 spc->split_secondary = RrColorNew(copy->inst,
269 spo->split_secondary->r,
270 spo->split_secondary->g,
271 spo->split_secondary->b);
272 else spc->split_secondary = NULL;
274 spc->interlaced = spo->interlaced;
275 spc->bevel_light_adjust = spo->bevel_light_adjust;
276 spc->bevel_dark_adjust = spo->bevel_dark_adjust;
277 spc->border = spo->border;
279 spc->parentx = spc->parenty = 0;
280 spc->pixel_data = NULL;
282 copy->textures = orig->textures;
283 copy->texture = g_memdup(orig->texture,
284 orig->textures * sizeof(RrTexture));
285 for (i = 0; i < copy->textures; ++i)
286 if (copy->texture[i].type == RR_TEXTURE_RGBA) {
287 copy->texture[i].data.rgba.cache = NULL;
290 copy->xftdraw = NULL;
291 copy->w = copy->h = 0;
295 void RrAppearanceFree(RrAppearance *a)
301 if (a->pixmap != None) XFreePixmap(RrDisplay(a->inst), a->pixmap);
302 if (a->xftdraw != NULL) XftDrawDestroy(a->xftdraw);
303 for (i = 0; i < a->textures; ++i)
304 if (a->texture[i].type == RR_TEXTURE_RGBA) {
305 g_free(a->texture[i].data.rgba.cache);
306 a->texture[i].data.rgba.cache = NULL;
311 RrColorFree(p->primary);
312 RrColorFree(p->secondary);
313 RrColorFree(p->border_color);
314 RrColorFree(p->interlace_color);
315 RrColorFree(p->bevel_dark);
316 RrColorFree(p->bevel_light);
317 RrColorFree(p->split_primary);
318 RrColorFree(p->split_secondary);
319 g_free(p->pixel_data);
320 p->pixel_data = NULL;
326 static void pixel_data_to_pixmap(RrAppearance *l,
327 gint x, gint y, gint w, gint h)
329 RrPixel32 *in, *scratch;
332 im = XCreateImage(RrDisplay(l->inst), RrVisual(l->inst), RrDepth(l->inst),
333 ZPixmap, 0, NULL, w, h, 32, 0);
334 g_assert(im != NULL);
336 in = l->surface.pixel_data;
339 /* this malloc is a complete waste of time on normal 32bpp
340 as reduce_depth just sets im->data = data and returns
342 scratch = g_new(RrPixel32, im->width * im->height);
343 im->data = (gchar*) scratch;
344 RrReduceDepth(l->inst, in, im);
345 XPutImage(RrDisplay(l->inst), out,
346 DefaultGC(RrDisplay(l->inst), RrScreen(l->inst)),
347 im, 0, 0, x, y, w, h);
353 void RrMargins (RrAppearance *a, gint *l, gint *t, gint *r, gint *b)
355 *l = *t = *r = *b = 0;
357 if (a->surface.grad != RR_SURFACE_PARENTREL) {
358 if (a->surface.relief != RR_RELIEF_FLAT) {
359 switch (a->surface.bevel) {
361 *l = *t = *r = *b = 1;
364 *l = *t = *r = *b = 2;
367 } else if (a->surface.border) {
368 *l = *t = *r = *b = 1;
373 void RrMinSize(RrAppearance *a, gint *w, gint *h)
379 gint RrMinWidth(RrAppearance *a)
386 for (i = 0; i < a->textures; ++i) {
387 switch (a->texture[i].type) {
388 case RR_TEXTURE_NONE:
390 case RR_TEXTURE_MASK:
391 w = MAX(w, a->texture[i].data.mask.mask->width);
393 case RR_TEXTURE_TEXT:
394 m = RrFontMeasureString(a->texture[i].data.text.font,
395 a->texture[i].data.text.string,
396 a->texture[i].data.text.shadow_offset_x,
397 a->texture[i].data.text.shadow_offset_y,
398 a->texture[i].data.text.flow,
399 a->texture[i].data.text.maxwidth);
400 w = MAX(w, m->width);
403 case RR_TEXTURE_RGBA:
404 w += MAX(w, a->texture[i].data.rgba.width);
406 case RR_TEXTURE_LINE_ART:
407 w += MAX(w, MAX(a->texture[i].data.lineart.x1,
408 a->texture[i].data.lineart.x2));
413 RrMargins(a, &l, &t, &r, &b);
421 gint RrMinHeight(RrAppearance *a)
428 for (i = 0; i < a->textures; ++i) {
429 switch (a->texture[i].type) {
430 case RR_TEXTURE_NONE:
432 case RR_TEXTURE_MASK:
433 h = MAX(h, a->texture[i].data.mask.mask->height);
435 case RR_TEXTURE_TEXT:
436 if (a->texture[i].data.text.flow) {
437 g_assert(a->texture[i].data.text.string != NULL);
439 m = RrFontMeasureString
440 (a->texture[i].data.text.font,
441 a->texture[i].data.text.string,
442 a->texture[i].data.text.shadow_offset_x,
443 a->texture[i].data.text.shadow_offset_y,
444 a->texture[i].data.text.flow,
445 a->texture[i].data.text.maxwidth);
446 h += MAX(h, m->height);
452 (a->texture[i].data.text.font,
453 a->texture[i].data.text.shadow_offset_y));
455 case RR_TEXTURE_RGBA:
456 h += MAX(h, a->texture[i].data.rgba.height);
458 case RR_TEXTURE_LINE_ART:
459 h += MAX(h, MAX(a->texture[i].data.lineart.y1,
460 a->texture[i].data.lineart.y2));
465 RrMargins(a, &l, &t, &r, &b);
473 static void reverse_bits(gchar *c, gint n)
476 for (i = 0; i < n; i++, c++)
477 *c = (((*c * 0x0802UL & 0x22110UL) |
478 (*c * 0x8020UL & 0x88440UL)) * 0x10101UL) >> 16;
481 gboolean RrPixmapToRGBA(const RrInstance *inst,
482 Pixmap pmap, Pixmap mask,
483 gint *w, gint *h, RrPixel32 **data)
487 guint pw, ph, mw, mh, xb, xd, i, x, y, di;
488 XImage *xi, *xm = NULL;
490 if (!XGetGeometry(RrDisplay(inst), pmap,
491 &xr, &xx, &xy, &pw, &ph, &xb, &xd))
495 if (!XGetGeometry(RrDisplay(inst), mask,
496 &xr, &xx, &xy, &mw, &mh, &xb, &xd))
498 if (pw != mw || ph != mh || xd != 1)
502 xi = XGetImage(RrDisplay(inst), pmap,
503 0, 0, pw, ph, 0xffffffff, ZPixmap);
508 xm = XGetImage(RrDisplay(inst), mask,
509 0, 0, mw, mh, 0xffffffff, ZPixmap);
514 if ((xm->bits_per_pixel == 1) && (xm->bitmap_bit_order != LSBFirst))
515 reverse_bits(xm->data, xm->bytes_per_line * xm->height);
518 if ((xi->bits_per_pixel == 1) && (xi->bitmap_bit_order != LSBFirst))
519 reverse_bits(xi->data, xi->bytes_per_line * xi->height);
521 *data = g_new(RrPixel32, pw * ph);
522 RrIncreaseDepth(inst, *data, xi);
525 /* apply transparency from the mask */
527 for (i = 0, y = 0; y < ph; ++y) {
528 for (x = 0; x < pw; ++x, ++i) {
529 if (!((((unsigned)xm->data[di + x / 8]) >> (x % 8)) & 0x1))
530 (*data)[i] &= ~(0xff << RrDefaultAlphaOffset);
532 di += xm->bytes_per_line;