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_IMAGE:
134 g_assert(!transferred);
136 RrRect narea = tarea;
137 RrTextureImage *img = &a->texture[i].data.image;
139 narea.width -= img->tx;
141 narea.height -= img->ty;
143 narea.width = MIN(narea.width, img->twidth);
145 narea.height = MIN(narea.height, img->theight);
146 RrImageDrawImage(a->surface.pixel_data,
147 &a->texture[i].data.image,
153 case RR_TEXTURE_RGBA:
154 g_assert(!transferred);
156 RrRect narea = tarea;
157 RrTextureRGBA *rgb = &a->texture[i].data.rgba;
159 narea.width -= rgb->tx;
161 narea.height -= rgb->ty;
163 narea.width = MIN(narea.width, rgb->twidth);
165 narea.height = MIN(narea.height, rgb->theight);
166 RrImageDrawRGBA(a->surface.pixel_data,
167 &a->texture[i].data.rgba,
173 case RR_TEXTURE_NUM_TYPES:
174 g_assert_not_reached();
180 if ((a->surface.grad != RR_SURFACE_SOLID) || (a->surface.interlaced) ||
183 pixel_data_to_pixmap(a, 0, 0, w, h);
190 void RrPaint(RrAppearance *a, Window win, gint w, gint h)
194 oldp = RrPaintPixmap(a, w, h);
195 XSetWindowBackgroundPixmap(RrDisplay(a->inst), win, a->pixmap);
196 XClearWindow(RrDisplay(a->inst), win);
197 /* free this after changing the visible pixmap */
198 if (oldp) XFreePixmap(RrDisplay(a->inst), oldp);
201 RrAppearance *RrAppearanceNew(const RrInstance *inst, gint numtex)
205 out = g_slice_new0(RrAppearance);
208 out->textures = numtex;
209 out->surface.bevel_light_adjust = 128;
210 out->surface.bevel_dark_adjust = 64;
211 if (numtex) out->texture = g_new0(RrTexture, numtex);
216 void RrAppearanceRemoveTextures(RrAppearance *a)
222 void RrAppearanceAddTextures(RrAppearance *a, gint numtex)
224 g_assert(a->textures == 0);
226 a->textures = numtex;
227 if (numtex) a->texture = g_new0(RrTexture, numtex);
230 void RrAppearanceClearTextures(RrAppearance *a)
232 memset(a->texture, 0, a->textures * sizeof(RrTexture));
235 /* shallow copy means up the ref count and return it */
236 RrAppearance *RrAppearanceCopyShallow(RrAppearance *orig)
242 /* deep copy of orig, means reset ref to 1 on copy
243 * and copy each thing memwise. */
244 RrAppearance *RrAppearanceCopy(RrAppearance *orig)
246 RrSurface *spo, *spc;
247 RrAppearance *copy = g_slice_new(RrAppearance);
249 copy->inst = orig->inst;
252 spo = &(orig->surface);
253 spc = &(copy->surface);
254 spc->grad = spo->grad;
255 spc->relief = spo->relief;
256 spc->bevel = spo->bevel;
257 if (spo->primary != NULL)
258 spc->primary = RrColorNew(copy->inst,
262 else spc->primary = NULL;
264 if (spo->secondary != NULL)
265 spc->secondary = RrColorNew(copy->inst,
269 else spc->secondary = NULL;
271 if (spo->border_color != NULL)
272 spc->border_color = RrColorNew(copy->inst,
273 spo->border_color->r,
274 spo->border_color->g,
275 spo->border_color->b);
276 else spc->border_color = NULL;
278 if (spo->interlace_color != NULL)
279 spc->interlace_color = RrColorNew(copy->inst,
280 spo->interlace_color->r,
281 spo->interlace_color->g,
282 spo->interlace_color->b);
283 else spc->interlace_color = NULL;
285 if (spo->bevel_dark != NULL)
286 spc->bevel_dark = RrColorNew(copy->inst,
290 else spc->bevel_dark = NULL;
292 if (spo->bevel_light != NULL)
293 spc->bevel_light = RrColorNew(copy->inst,
296 spo->bevel_light->b);
297 else spc->bevel_light = NULL;
299 if (spo->split_primary != NULL)
300 spc->split_primary = RrColorNew(copy->inst,
301 spo->split_primary->r,
302 spo->split_primary->g,
303 spo->split_primary->b);
304 else spc->split_primary = NULL;
306 if (spo->split_secondary != NULL)
307 spc->split_secondary = RrColorNew(copy->inst,
308 spo->split_secondary->r,
309 spo->split_secondary->g,
310 spo->split_secondary->b);
311 else spc->split_secondary = NULL;
313 spc->interlaced = spo->interlaced;
314 spc->bevel_light_adjust = spo->bevel_light_adjust;
315 spc->bevel_dark_adjust = spo->bevel_dark_adjust;
316 spc->border = spo->border;
318 spc->parentx = spc->parenty = 0;
319 spc->pixel_data = NULL;
321 copy->textures = orig->textures;
322 copy->texture = g_memdup(orig->texture,
323 orig->textures * sizeof(RrTexture));
325 copy->xftdraw = NULL;
326 copy->w = copy->h = 0;
330 /* now decrements ref counter, and frees only if ref <= 0 */
331 void RrAppearanceFree(RrAppearance *a)
335 if (a->pixmap != None) XFreePixmap(RrDisplay(a->inst), a->pixmap);
336 if (a->xftdraw != NULL) XftDrawDestroy(a->xftdraw);
340 RrColorFree(p->primary);
341 RrColorFree(p->secondary);
342 RrColorFree(p->border_color);
343 RrColorFree(p->interlace_color);
344 RrColorFree(p->bevel_dark);
345 RrColorFree(p->bevel_light);
346 RrColorFree(p->split_primary);
347 RrColorFree(p->split_secondary);
348 g_free(p->pixel_data);
349 p->pixel_data = NULL;
350 g_slice_free(RrAppearance, a);
354 static void pixel_data_to_pixmap(RrAppearance *l,
355 gint x, gint y, gint w, gint h)
357 RrPixel32 *in, *scratch;
360 im = XCreateImage(RrDisplay(l->inst), RrVisual(l->inst), RrDepth(l->inst),
361 ZPixmap, 0, NULL, w, h, 32, 0);
362 g_assert(im != NULL);
364 in = l->surface.pixel_data;
367 /* this malloc is a complete waste of time on normal 32bpp
368 as reduce_depth just sets im->data = data and returns
370 scratch = g_new(RrPixel32, im->width * im->height);
371 im->data = (gchar*) scratch;
372 RrReduceDepth(l->inst, in, im);
373 XPutImage(RrDisplay(l->inst), out,
374 DefaultGC(RrDisplay(l->inst), RrScreen(l->inst)),
375 im, 0, 0, x, y, w, h);
381 void RrMargins (RrAppearance *a, gint *l, gint *t, gint *r, gint *b)
383 *l = *t = *r = *b = 0;
385 if (a->surface.grad != RR_SURFACE_PARENTREL) {
386 if (a->surface.relief != RR_RELIEF_FLAT) {
387 switch (a->surface.bevel) {
389 *l = *t = *r = *b = 1;
392 *l = *t = *r = *b = 2;
394 case RR_BEVEL_NUM_TYPES:
395 g_assert_not_reached();
397 } else if (a->surface.border) {
398 *l = *t = *r = *b = 1;
403 void RrMinSize(RrAppearance *a, gint *w, gint *h)
409 gint RrMinWidth(RrAppearance *a)
416 RrMargins(a, &l, &t, &r, &b);
418 for (i = 0; i < a->textures; ++i) {
419 switch (a->texture[i].type) {
420 case RR_TEXTURE_NONE:
422 case RR_TEXTURE_MASK:
423 w = MAX(w, a->texture[i].data.mask.mask->width);
425 case RR_TEXTURE_TEXT:
426 m = RrFontMeasureString(a->texture[i].data.text.font,
427 a->texture[i].data.text.string,
428 a->texture[i].data.text.shadow_offset_x,
429 a->texture[i].data.text.shadow_offset_y,
430 a->texture[i].data.text.flow,
431 a->texture[i].data.text.maxwidth);
432 w = MAX(w, m->width);
433 g_slice_free(RrSize, m);
435 case RR_TEXTURE_RGBA:
436 w += MAX(w, a->texture[i].data.rgba.width);
438 case RR_TEXTURE_IMAGE:
439 /* images resize so they don't contribute anything to the min */
441 case RR_TEXTURE_LINE_ART:
442 w = MAX(w, MAX(a->texture[i].data.lineart.x1 - l - r,
443 a->texture[i].data.lineart.x2 - l - r));
445 case RR_TEXTURE_NUM_TYPES:
446 g_assert_not_reached();
456 gint RrMinHeight(RrAppearance *a)
463 RrMargins(a, &l, &t, &r, &b);
465 for (i = 0; i < a->textures; ++i) {
466 switch (a->texture[i].type) {
467 case RR_TEXTURE_NONE:
469 case RR_TEXTURE_MASK:
470 h = MAX(h, a->texture[i].data.mask.mask->height);
472 case RR_TEXTURE_TEXT:
473 if (a->texture[i].data.text.flow) {
474 g_assert(a->texture[i].data.text.string != NULL);
476 m = RrFontMeasureString
477 (a->texture[i].data.text.font,
478 a->texture[i].data.text.string,
479 a->texture[i].data.text.shadow_offset_x,
480 a->texture[i].data.text.shadow_offset_y,
481 a->texture[i].data.text.flow,
482 a->texture[i].data.text.maxwidth);
483 h += MAX(h, m->height);
484 g_slice_free(RrSize, m);
489 (a->texture[i].data.text.font,
490 a->texture[i].data.text.shadow_offset_y));
492 case RR_TEXTURE_RGBA:
493 h += MAX(h, a->texture[i].data.rgba.height);
495 case RR_TEXTURE_IMAGE:
496 /* images resize so they don't contribute anything to the min */
498 case RR_TEXTURE_LINE_ART:
499 h = MAX(h, MAX(a->texture[i].data.lineart.y1 - t - b,
500 a->texture[i].data.lineart.y2 - t - b));
502 case RR_TEXTURE_NUM_TYPES:
503 g_assert_not_reached();
513 static void reverse_bits(gchar *c, gint n)
516 for (i = 0; i < n; i++, c++)
517 *c = (((*c * 0x0802UL & 0x22110UL) |
518 (*c * 0x8020UL & 0x88440UL)) * 0x10101UL) >> 16;
521 gboolean RrPixmapToRGBA(const RrInstance *inst,
522 Pixmap pmap, Pixmap mask,
523 gint *w, gint *h, RrPixel32 **data)
527 guint pw, ph, mw, mh, xb, xd, i, x, y, di;
528 XImage *xi, *xm = NULL;
530 if (!XGetGeometry(RrDisplay(inst), pmap,
531 &xr, &xx, &xy, &pw, &ph, &xb, &xd))
535 if (!XGetGeometry(RrDisplay(inst), mask,
536 &xr, &xx, &xy, &mw, &mh, &xb, &xd))
538 if (pw != mw || ph != mh || xd != 1)
542 xi = XGetImage(RrDisplay(inst), pmap,
543 0, 0, pw, ph, 0xffffffff, ZPixmap);
548 xm = XGetImage(RrDisplay(inst), mask,
549 0, 0, mw, mh, 0xffffffff, ZPixmap);
554 if ((xm->bits_per_pixel == 1) && (xm->bitmap_bit_order != LSBFirst))
555 reverse_bits(xm->data, xm->bytes_per_line * xm->height);
558 if ((xi->bits_per_pixel == 1) && (xi->bitmap_bit_order != LSBFirst))
559 reverse_bits(xi->data, xi->bytes_per_line * xi->height);
561 *data = g_new(RrPixel32, pw * ph);
562 RrIncreaseDepth(inst, *data, xi);
565 /* apply transparency from the mask */
567 for (i = 0, y = 0; y < ph; ++y) {
568 for (x = 0; x < pw; ++x, ++i) {
569 if (!((((unsigned)xm->data[di + x / 8]) >> (x % 8)) & 0x1))
570 (*data)[i] &= ~(0xff << RrDefaultAlphaOffset);
572 di += xm->bytes_per_line;