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 Ben 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.
22 #include <X11/Xutil.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, sw, sh, partial_w, partial_h;
44 RrPixel32 *source, *dest;
46 RrRect tarea; /* area in which to draw textures */
49 if (w <= 0 || h <= 0) return None;
51 if (a->surface.parentx < 0 || a->surface.parenty < 0) {
52 /* ob_debug("Invalid parent co-ordinates\n"); */
56 if (a->surface.grad == RR_SURFACE_PARENTREL &&
57 (a->surface.parentx >= a->surface.parent->w ||
58 a->surface.parenty >= a->surface.parent->h))
63 resized = (a->w != w || a->h != h);
65 oldp = a->pixmap; /* save to free after changing the visible pixmap */
66 a->pixmap = XCreatePixmap(RrDisplay(a->inst),
67 RrRootWindow(a->inst),
68 w, h, RrDepth(a->inst));
70 g_assert(a->pixmap != None);
74 if (a->xftdraw != NULL)
75 XftDrawDestroy(a->xftdraw);
76 a->xftdraw = XftDrawCreate(RrDisplay(a->inst), a->pixmap,
77 RrVisual(a->inst), RrColormap(a->inst));
78 g_assert(a->xftdraw != NULL);
80 g_free(a->surface.pixel_data);
81 a->surface.pixel_data = g_new(RrPixel32, w * h);
83 if (a->surface.grad == RR_SURFACE_PARENTREL) {
84 g_assert (a->surface.parent);
85 g_assert (a->surface.parent->w);
87 sw = a->surface.parent->w;
88 sh = a->surface.parent->h;
90 source = (a->surface.parent->surface.pixel_data +
91 a->surface.parentx + sw * a->surface.parenty);
92 dest = a->surface.pixel_data;
94 if (a->surface.parentx + w > sw) {
95 partial_w = sw - a->surface.parentx;
98 if (a->surface.parenty + h > sh) {
99 partial_h = sh - a->surface.parenty;
100 } else partial_h = h;
102 for (i = 0; i < partial_h; i++, source += sw, dest += w) {
103 memcpy(dest, source, partial_w * sizeof(RrPixel32));
110 RrMargins(a, &l, &t, &r, &b);
111 RECT_SET(tarea, l, t, w - l - r, h - t - b);
114 for (i = 0; i < a->textures; i++) {
115 switch (a->texture[i].type) {
116 case RR_TEXTURE_NONE:
118 case RR_TEXTURE_TEXT:
121 if ((a->surface.grad != RR_SURFACE_SOLID)
122 || (a->surface.interlaced))
123 pixel_data_to_pixmap(a, 0, 0, w, h);
125 if (a->xftdraw == NULL) {
126 a->xftdraw = XftDrawCreate(RrDisplay(a->inst), a->pixmap,
128 RrColormap(a->inst));
130 RrFontDraw(a->xftdraw, &a->texture[i].data.text, &tarea);
132 case RR_TEXTURE_LINE_ART:
135 if ((a->surface.grad != RR_SURFACE_SOLID)
136 || (a->surface.interlaced))
137 pixel_data_to_pixmap(a, 0, 0, w, h);
139 XDrawLine(RrDisplay(a->inst), a->pixmap,
140 RrColorGC(a->texture[i].data.lineart.color),
141 a->texture[i].data.lineart.x1,
142 a->texture[i].data.lineart.y1,
143 a->texture[i].data.lineart.x2,
144 a->texture[i].data.lineart.y2);
146 case RR_TEXTURE_MASK:
149 if ((a->surface.grad != RR_SURFACE_SOLID)
150 || (a->surface.interlaced))
151 pixel_data_to_pixmap(a, 0, 0, w, h);
153 RrPixmapMaskDraw(a->pixmap, &a->texture[i].data.mask, &tarea);
155 case RR_TEXTURE_RGBA:
156 g_assert(!transferred);
157 RrImageDraw(a->surface.pixel_data,
158 &a->texture[i].data.rgba,
167 if ((a->surface.grad != RR_SURFACE_SOLID) || (a->surface.interlaced))
168 pixel_data_to_pixmap(a, 0, 0, w, h);
174 void RrPaint(RrAppearance *a, Window win, gint w, gint h)
178 oldp = RrPaintPixmap(a, w, h);
179 XSetWindowBackgroundPixmap(RrDisplay(a->inst), win, a->pixmap);
180 XClearWindow(RrDisplay(a->inst), win);
181 /* free this after changing the visible pixmap */
182 if (oldp) XFreePixmap(RrDisplay(a->inst), oldp);
185 RrAppearance *RrAppearanceNew(const RrInstance *inst, gint numtex)
189 out = g_new0(RrAppearance, 1);
191 out->textures = numtex;
192 if (numtex) out->texture = g_new0(RrTexture, numtex);
197 RrAppearance *RrAppearanceCopy(RrAppearance *orig)
199 RrSurface *spo, *spc;
200 RrAppearance *copy = g_new(RrAppearance, 1);
203 copy->inst = orig->inst;
205 spo = &(orig->surface);
206 spc = &(copy->surface);
207 spc->grad = spo->grad;
208 spc->relief = spo->relief;
209 spc->bevel = spo->bevel;
210 if (spo->primary != NULL)
211 spc->primary = RrColorNew(copy->inst,
215 else spc->primary = NULL;
217 if (spo->secondary != NULL)
218 spc->secondary = RrColorNew(copy->inst,
222 else spc->secondary = NULL;
224 if (spo->border_color != NULL)
225 spc->border_color = RrColorNew(copy->inst,
226 spo->border_color->r,
227 spo->border_color->g,
228 spo->border_color->b);
229 else spc->border_color = NULL;
231 if (spo->interlace_color != NULL)
232 spc->interlace_color = RrColorNew(copy->inst,
233 spo->interlace_color->r,
234 spo->interlace_color->g,
235 spo->interlace_color->b);
236 else spc->interlace_color = NULL;
238 if (spo->bevel_dark != NULL)
239 spc->bevel_dark = RrColorNew(copy->inst,
243 else spc->bevel_dark = NULL;
245 if (spo->bevel_light != NULL)
246 spc->bevel_light = RrColorNew(copy->inst,
249 spo->bevel_light->b);
250 else spc->bevel_light = NULL;
252 spc->interlaced = spo->interlaced;
253 spc->border = spo->border;
255 spc->parentx = spc->parenty = 0;
256 spc->pixel_data = NULL;
258 copy->textures = orig->textures;
259 copy->texture = g_memdup(orig->texture,
260 orig->textures * sizeof(RrTexture));
261 for (i = 0; i < copy->textures; ++i)
262 if (copy->texture[i].type == RR_TEXTURE_RGBA) {
263 copy->texture[i].data.rgba.cache = NULL;
266 copy->xftdraw = NULL;
267 copy->w = copy->h = 0;
271 void RrAppearanceFree(RrAppearance *a)
277 if (a->pixmap != None) XFreePixmap(RrDisplay(a->inst), a->pixmap);
278 if (a->xftdraw != NULL) XftDrawDestroy(a->xftdraw);
279 for (i = 0; i < a->textures; ++i)
280 if (a->texture[i].type == RR_TEXTURE_RGBA) {
281 g_free(a->texture[i].data.rgba.cache);
282 a->texture[i].data.rgba.cache = NULL;
287 RrColorFree(p->primary);
288 RrColorFree(p->secondary);
289 RrColorFree(p->border_color);
290 RrColorFree(p->interlace_color);
291 RrColorFree(p->bevel_dark);
292 RrColorFree(p->bevel_light);
293 g_free(p->pixel_data);
294 p->pixel_data = NULL;
300 static void pixel_data_to_pixmap(RrAppearance *l,
301 gint x, gint y, gint w, gint h)
303 RrPixel32 *in, *scratch;
306 im = XCreateImage(RrDisplay(l->inst), RrVisual(l->inst), RrDepth(l->inst),
307 ZPixmap, 0, NULL, w, h, 32, 0);
308 g_assert(im != NULL);
310 in = l->surface.pixel_data;
313 /* this malloc is a complete waste of time on normal 32bpp
314 as reduce_depth just sets im->data = data and returns
316 scratch = g_new(RrPixel32, im->width * im->height);
317 im->data = (gchar*) scratch;
318 RrReduceDepth(l->inst, in, im);
319 XPutImage(RrDisplay(l->inst), out,
320 DefaultGC(RrDisplay(l->inst), RrScreen(l->inst)),
321 im, 0, 0, x, y, w, h);
327 void RrMargins (RrAppearance *a, gint *l, gint *t, gint *r, gint *b)
329 *l = *t = *r = *b = 0;
331 if (a->surface.grad != RR_SURFACE_PARENTREL) {
332 if (a->surface.relief != RR_RELIEF_FLAT) {
333 switch (a->surface.bevel) {
335 *l = *t = *r = *b = 1;
338 *l = *t = *r = *b = 2;
341 } else if (a->surface.border) {
342 *l = *t = *r = *b = 1;
347 void RrMinsize(RrAppearance *a, gint *w, gint *h)
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);
360 *h = MAX(*h, a->texture[i].data.mask.mask->height);
362 case RR_TEXTURE_TEXT:
363 m = RrFontMeasureString(a->texture[i].data.text.font,
364 a->texture[i].data.text.string,
365 a->texture[i].data.text.shadow_offset_x,
366 a->texture[i].data.text.shadow_offset_y);
367 *w = MAX(*w, m->width + 4);
368 m->height = RrFontHeight(a->texture[i].data.text.font,
369 a->texture[i].data.text.shadow_offset_y);
370 *h += MAX(*h, m->height);
373 case RR_TEXTURE_RGBA:
374 *w += MAX(*w, a->texture[i].data.rgba.width);
375 *h += MAX(*h, a->texture[i].data.rgba.height);
377 case RR_TEXTURE_LINE_ART:
378 *w += MAX(*w, MAX(a->texture[i].data.lineart.x1,
379 a->texture[i].data.lineart.x2));
380 *h += MAX(*h, MAX(a->texture[i].data.lineart.y1,
381 a->texture[i].data.lineart.y2));
386 RrMargins(a, &l, &t, &r, &b);
395 static void reverse_bits(gchar *c, gint n)
398 for (i = 0; i < n; i++, c++)
399 *c = (((*c * 0x0802UL & 0x22110UL) |
400 (*c * 0x8020UL & 0x88440UL)) * 0x10101UL) >> 16;
403 gboolean RrPixmapToRGBA(const RrInstance *inst,
404 Pixmap pmap, Pixmap mask,
405 gint *w, gint *h, RrPixel32 **data)
409 guint pw, ph, mw, mh, xb, xd, i, x, y, di;
410 XImage *xi, *xm = NULL;
412 if (!XGetGeometry(RrDisplay(inst), pmap,
413 &xr, &xx, &xy, &pw, &ph, &xb, &xd))
417 if (!XGetGeometry(RrDisplay(inst), mask,
418 &xr, &xx, &xy, &mw, &mh, &xb, &xd))
420 if (pw != mw || ph != mh || xd != 1)
424 xi = XGetImage(RrDisplay(inst), pmap,
425 0, 0, pw, ph, 0xffffffff, ZPixmap);
430 xm = XGetImage(RrDisplay(inst), mask,
431 0, 0, mw, mh, 0xffffffff, ZPixmap);
436 if ((xm->bits_per_pixel == 1) && (xm->bitmap_bit_order != LSBFirst))
437 reverse_bits(xm->data, xm->bytes_per_line * xm->height);
440 if ((xi->bits_per_pixel == 1) && (xi->bitmap_bit_order != LSBFirst))
441 reverse_bits(xi->data, xi->bytes_per_line * xi->height);
443 *data = g_new(RrPixel32, pw * ph);
444 RrIncreaseDepth(inst, *data, xi);
447 /* apply transparency from the mask */
449 for (i = 0, y = 0; y < ph; ++y) {
450 for (x = 0; x < pw; ++x, ++i) {
451 if (!((((unsigned)xm->data[di + x / 8]) >> (x % 8)) & 0x1))
452 (*data)[i] &= ~(0xff << RrDefaultAlphaOffset);
454 di += xm->bytes_per_line;