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 out->surface.bevel_light_adjust = 128;
175 out->surface.bevel_dark_adjust = 64;
176 if (numtex) out->texture = g_new0(RrTexture, numtex);
181 void RrAppearanceAddTextures(RrAppearance *a, gint numtex)
183 g_assert(a->textures == 0);
185 a->textures = numtex;
186 if (numtex) a->texture = g_new0(RrTexture, numtex);
189 RrAppearance *RrAppearanceCopy(RrAppearance *orig)
191 RrSurface *spo, *spc;
192 RrAppearance *copy = g_new(RrAppearance, 1);
195 copy->inst = orig->inst;
197 spo = &(orig->surface);
198 spc = &(copy->surface);
199 spc->grad = spo->grad;
200 spc->relief = spo->relief;
201 spc->bevel = spo->bevel;
202 if (spo->primary != NULL)
203 spc->primary = RrColorNew(copy->inst,
207 else spc->primary = NULL;
209 if (spo->secondary != NULL)
210 spc->secondary = RrColorNew(copy->inst,
214 else spc->secondary = NULL;
216 if (spo->border_color != NULL)
217 spc->border_color = RrColorNew(copy->inst,
218 spo->border_color->r,
219 spo->border_color->g,
220 spo->border_color->b);
221 else spc->border_color = NULL;
223 if (spo->interlace_color != NULL)
224 spc->interlace_color = RrColorNew(copy->inst,
225 spo->interlace_color->r,
226 spo->interlace_color->g,
227 spo->interlace_color->b);
228 else spc->interlace_color = NULL;
230 if (spo->bevel_dark != NULL)
231 spc->bevel_dark = RrColorNew(copy->inst,
235 else spc->bevel_dark = NULL;
237 if (spo->bevel_light != NULL)
238 spc->bevel_light = RrColorNew(copy->inst,
241 spo->bevel_light->b);
242 else spc->bevel_light = NULL;
244 spc->interlaced = spo->interlaced;
245 spc->bevel_light_adjust = spo->bevel_light_adjust;
246 spc->bevel_dark_adjust = spo->bevel_dark_adjust;
247 spc->border = spo->border;
249 spc->parentx = spc->parenty = 0;
250 spc->pixel_data = NULL;
252 copy->textures = orig->textures;
253 copy->texture = g_memdup(orig->texture,
254 orig->textures * sizeof(RrTexture));
255 for (i = 0; i < copy->textures; ++i)
256 if (copy->texture[i].type == RR_TEXTURE_RGBA) {
257 copy->texture[i].data.rgba.cache = NULL;
260 copy->xftdraw = NULL;
261 copy->w = copy->h = 0;
265 void RrAppearanceFree(RrAppearance *a)
271 if (a->pixmap != None) XFreePixmap(RrDisplay(a->inst), a->pixmap);
272 if (a->xftdraw != NULL) XftDrawDestroy(a->xftdraw);
273 for (i = 0; i < a->textures; ++i)
274 if (a->texture[i].type == RR_TEXTURE_RGBA) {
275 g_free(a->texture[i].data.rgba.cache);
276 a->texture[i].data.rgba.cache = NULL;
281 RrColorFree(p->primary);
282 RrColorFree(p->secondary);
283 RrColorFree(p->border_color);
284 RrColorFree(p->interlace_color);
285 RrColorFree(p->bevel_dark);
286 RrColorFree(p->bevel_light);
287 g_free(p->pixel_data);
288 p->pixel_data = NULL;
294 static void pixel_data_to_pixmap(RrAppearance *l,
295 gint x, gint y, gint w, gint h)
297 RrPixel32 *in, *scratch;
300 im = XCreateImage(RrDisplay(l->inst), RrVisual(l->inst), RrDepth(l->inst),
301 ZPixmap, 0, NULL, w, h, 32, 0);
302 g_assert(im != NULL);
304 in = l->surface.pixel_data;
307 /* this malloc is a complete waste of time on normal 32bpp
308 as reduce_depth just sets im->data = data and returns
310 scratch = g_new(RrPixel32, im->width * im->height);
311 im->data = (gchar*) scratch;
312 RrReduceDepth(l->inst, in, im);
313 XPutImage(RrDisplay(l->inst), out,
314 DefaultGC(RrDisplay(l->inst), RrScreen(l->inst)),
315 im, 0, 0, x, y, w, h);
321 void RrMargins (RrAppearance *a, gint *l, gint *t, gint *r, gint *b)
323 *l = *t = *r = *b = 0;
325 if (a->surface.grad != RR_SURFACE_PARENTREL) {
326 if (a->surface.relief != RR_RELIEF_FLAT) {
327 switch (a->surface.bevel) {
329 *l = *t = *r = *b = 1;
332 *l = *t = *r = *b = 2;
335 } else if (a->surface.border) {
336 *l = *t = *r = *b = 1;
341 void RrMinSize(RrAppearance *a, gint *w, gint *h)
347 gint RrMinWidth(RrAppearance *a)
354 for (i = 0; i < a->textures; ++i) {
355 switch (a->texture[i].type) {
356 case RR_TEXTURE_NONE:
358 case RR_TEXTURE_MASK:
359 w = MAX(w, a->texture[i].data.mask.mask->width);
361 case RR_TEXTURE_TEXT:
362 m = RrFontMeasureString(a->texture[i].data.text.font,
363 a->texture[i].data.text.string,
364 a->texture[i].data.text.shadow_offset_x,
365 a->texture[i].data.text.shadow_offset_y);
366 w = MAX(w, m->width);
369 case RR_TEXTURE_RGBA:
370 w += MAX(w, a->texture[i].data.rgba.width);
372 case RR_TEXTURE_LINE_ART:
373 w += MAX(w, MAX(a->texture[i].data.lineart.x1,
374 a->texture[i].data.lineart.x2));
379 RrMargins(a, &l, &t, &r, &b);
387 gint RrMinHeight(RrAppearance *a)
393 for (i = 0; i < a->textures; ++i) {
394 switch (a->texture[i].type) {
395 case RR_TEXTURE_NONE:
397 case RR_TEXTURE_MASK:
398 h = MAX(h, a->texture[i].data.mask.mask->height);
400 case RR_TEXTURE_TEXT:
401 h += MAX(h, RrFontHeight(a->texture[i].data.text.font,
402 a->texture[i].data.text.shadow_offset_y));
404 case RR_TEXTURE_RGBA:
405 h += MAX(h, a->texture[i].data.rgba.height);
407 case RR_TEXTURE_LINE_ART:
408 h += MAX(h, MAX(a->texture[i].data.lineart.y1,
409 a->texture[i].data.lineart.y2));
414 RrMargins(a, &l, &t, &r, &b);
422 static void reverse_bits(gchar *c, gint n)
425 for (i = 0; i < n; i++, c++)
426 *c = (((*c * 0x0802UL & 0x22110UL) |
427 (*c * 0x8020UL & 0x88440UL)) * 0x10101UL) >> 16;
430 gboolean RrPixmapToRGBA(const RrInstance *inst,
431 Pixmap pmap, Pixmap mask,
432 gint *w, gint *h, RrPixel32 **data)
436 guint pw, ph, mw, mh, xb, xd, i, x, y, di;
437 XImage *xi, *xm = NULL;
439 if (!XGetGeometry(RrDisplay(inst), pmap,
440 &xr, &xx, &xy, &pw, &ph, &xb, &xd))
444 if (!XGetGeometry(RrDisplay(inst), mask,
445 &xr, &xx, &xy, &mw, &mh, &xb, &xd))
447 if (pw != mw || ph != mh || xd != 1)
451 xi = XGetImage(RrDisplay(inst), pmap,
452 0, 0, pw, ph, 0xffffffff, ZPixmap);
457 xm = XGetImage(RrDisplay(inst), mask,
458 0, 0, mw, mh, 0xffffffff, ZPixmap);
463 if ((xm->bits_per_pixel == 1) && (xm->bitmap_bit_order != LSBFirst))
464 reverse_bits(xm->data, xm->bytes_per_line * xm->height);
467 if ((xi->bits_per_pixel == 1) && (xi->bitmap_bit_order != LSBFirst))
468 reverse_bits(xi->data, xi->bytes_per_line * xi->height);
470 *data = g_new(RrPixel32, pw * ph);
471 RrIncreaseDepth(inst, *data, xi);
474 /* apply transparency from the mask */
476 for (i = 0, y = 0; y < ph; ++y) {
477 for (x = 0; x < pw; ++x, ++i) {
478 if (!((((unsigned)xm->data[di + x / 8]) >> (x % 8)) & 0x1))
479 (*data)[i] &= ~(0xff << RrDefaultAlphaOffset);
481 di += xm->bytes_per_line;