--- /dev/null
+/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
+
+ render.c for the Openbox window manager
+ Copyright (c) 2006 Mikael Magnusson
+ Copyright (c) 2003-2007 Dana Jansens
+ Copyright (c) 2003 Derek Foreman
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ See the COPYING file for a copy of the GNU General Public License.
+*/
+
+#include "render.h"
+#include "gradient.h"
+#include "font.h"
+#include "mask.h"
+#include "color.h"
+#include "image.h"
+#include "theme.h"
+
+#include <glib.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/Xft/Xft.h>
+
+#ifdef HAVE_STDLIB_H
+# include <stdlib.h>
+#endif
+
+static void pixel_data_to_pixmap(RrAppearance *l,
+ gint x, gint y, gint w, gint h);
+
+Pixmap RrPaintPixmap(RrAppearance *a, gint w, gint h)
+{
+ gint i, transferred = 0, force_transfer = 0;
+ Pixmap oldp = None;
+ RrRect tarea; /* area in which to draw textures */
+ gboolean resized;
+
+ if (w <= 0 || h <= 0) return None;
+
+ if (a->surface.parentx < 0 || a->surface.parenty < 0) {
+ /* ob_debug("Invalid parent co-ordinates\n"); */
+ return None;
+ }
+
+ if (a->surface.grad == RR_SURFACE_PARENTREL &&
+ (a->surface.parentx >= a->surface.parent->w ||
+ a->surface.parenty >= a->surface.parent->h))
+ {
+ return None;
+ }
+
+ resized = (a->w != w || a->h != h);
+
+ oldp = a->pixmap; /* save to free after changing the visible pixmap */
+ a->pixmap = XCreatePixmap(RrDisplay(a->inst),
+ RrRootWindow(a->inst),
+ w, h, RrDepth(a->inst));
+
+ g_assert(a->pixmap != None);
+ a->w = w;
+ a->h = h;
+
+ if (a->xftdraw != NULL)
+ XftDrawDestroy(a->xftdraw);
+ a->xftdraw = XftDrawCreate(RrDisplay(a->inst), a->pixmap,
+ RrVisual(a->inst), RrColormap(a->inst));
+ g_assert(a->xftdraw != NULL);
+
+ if (resized) {
+ g_free(a->surface.pixel_data);
+ a->surface.pixel_data = g_new(RrPixel32, w * h);
+ }
+
+ RrRender(a, w, h);
+
+ {
+ gint l, t, r, b;
+ RrMargins(a, &l, &t, &r, &b);
+ RECT_SET(tarea, l, t, w - l - r, h - t - b);
+ }
+
+ for (i = 0; i < a->textures; i++) {
+ switch (a->texture[i].type) {
+ case RR_TEXTURE_NONE:
+ break;
+ case RR_TEXTURE_TEXT:
+ if (!transferred) {
+ transferred = 1;
+ if ((a->surface.grad != RR_SURFACE_SOLID)
+ || (a->surface.interlaced))
+ pixel_data_to_pixmap(a, 0, 0, w, h);
+ }
+ if (a->xftdraw == NULL) {
+ a->xftdraw = XftDrawCreate(RrDisplay(a->inst), a->pixmap,
+ RrVisual(a->inst),
+ RrColormap(a->inst));
+ }
+ RrFontDraw(a->xftdraw, &a->texture[i].data.text, &tarea);
+ break;
+ case RR_TEXTURE_LINE_ART:
+ if (!transferred) {
+ transferred = 1;
+ if ((a->surface.grad != RR_SURFACE_SOLID)
+ || (a->surface.interlaced))
+ pixel_data_to_pixmap(a, 0, 0, w, h);
+ }
+ XDrawLine(RrDisplay(a->inst), a->pixmap,
+ RrColorGC(a->texture[i].data.lineart.color),
+ a->texture[i].data.lineart.x1,
+ a->texture[i].data.lineart.y1,
+ a->texture[i].data.lineart.x2,
+ a->texture[i].data.lineart.y2);
+ break;
+ case RR_TEXTURE_MASK:
+ if (!transferred) {
+ transferred = 1;
+ if ((a->surface.grad != RR_SURFACE_SOLID)
+ || (a->surface.interlaced))
+ pixel_data_to_pixmap(a, 0, 0, w, h);
+ }
+ RrPixmapMaskDraw(a->pixmap, &a->texture[i].data.mask, &tarea);
+ break;
+ case RR_TEXTURE_IMAGE:
+ g_assert(!transferred);
+ {
+ RrRect narea = tarea;
+ RrTextureImage *img = &a->texture[i].data.image;
+ narea.x += img->tx;
+ narea.width -= img->tx;
+ narea.y += img->ty;
+ narea.height -= img->ty;
+ if (img->twidth)
+ narea.width = MIN(narea.width, img->twidth);
+ if (img->theight)
+ narea.height = MIN(narea.height, img->theight);
+ RrImageDrawImage(a->surface.pixel_data,
+ &a->texture[i].data.image,
+ a->w, a->h,
+ &narea);
+ }
+ force_transfer = 1;
+ break;
+ case RR_TEXTURE_RGBA:
+ g_assert(!transferred);
+ {
+ RrRect narea = tarea;
+ RrTextureRGBA *rgb = &a->texture[i].data.rgba;
+ narea.x += rgb->tx;
+ narea.width -= rgb->tx;
+ narea.y += rgb->ty;
+ narea.height -= rgb->ty;
+ if (rgb->twidth)
+ narea.width = MIN(narea.width, rgb->twidth);
+ if (rgb->theight)
+ narea.height = MIN(narea.height, rgb->theight);
+ RrImageDrawRGBA(a->surface.pixel_data,
+ &a->texture[i].data.rgba,
+ a->w, a->h,
+ &narea);
+ }
+ force_transfer = 1;
+ break;
+ }
+ }
+
+ if (!transferred) {
+ transferred = 1;
+ if ((a->surface.grad != RR_SURFACE_SOLID) || (a->surface.interlaced) ||
+ force_transfer)
+ {
+ pixel_data_to_pixmap(a, 0, 0, w, h);
+ }
+ }
+
+ return oldp;
+}
+
+void RrPaint(RrAppearance *a, Window win, gint w, gint h)
+{
+ Pixmap oldp;
+
+ oldp = RrPaintPixmap(a, w, h);
+ XSetWindowBackgroundPixmap(RrDisplay(a->inst), win, a->pixmap);
+ XClearWindow(RrDisplay(a->inst), win);
+ /* free this after changing the visible pixmap */
+ if (oldp) XFreePixmap(RrDisplay(a->inst), oldp);
+}
+
+RrAppearance *RrAppearanceNew(const RrInstance *inst, gint numtex)
+{
+ RrAppearance *out;
+
+ out = g_new0(RrAppearance, 1);
+ out->inst = inst;
+ out->textures = numtex;
+ out->surface.bevel_light_adjust = 128;
+ out->surface.bevel_dark_adjust = 64;
+ if (numtex) out->texture = g_new0(RrTexture, numtex);
+
+ return out;
+}
+
+void RrAppearanceRemoveTextures(RrAppearance *a)
+{
+ g_free(a->texture);
+ a->textures = 0;
+}
+
+void RrAppearanceAddTextures(RrAppearance *a, gint numtex)
+{
+ g_assert(a->textures == 0);
+
+ a->textures = numtex;
+ if (numtex) a->texture = g_new0(RrTexture, numtex);
+}
+
+void RrAppearanceClearTextures(RrAppearance *a)
+{
+ memset(a->texture, 0, a->textures * sizeof(RrTexture));
+}
+
+RrAppearance *RrAppearanceCopy(RrAppearance *orig)
+{
+ RrSurface *spo, *spc;
+ RrAppearance *copy = g_new(RrAppearance, 1);
+
+ copy->inst = orig->inst;
+
+ spo = &(orig->surface);
+ spc = &(copy->surface);
+ spc->grad = spo->grad;
+ spc->relief = spo->relief;
+ spc->bevel = spo->bevel;
+ if (spo->primary != NULL)
+ spc->primary = RrColorNew(copy->inst,
+ spo->primary->r,
+ spo->primary->g,
+ spo->primary->b);
+ else spc->primary = NULL;
+
+ if (spo->secondary != NULL)
+ spc->secondary = RrColorNew(copy->inst,
+ spo->secondary->r,
+ spo->secondary->g,
+ spo->secondary->b);
+ else spc->secondary = NULL;
+
+ if (spo->border_color != NULL)
+ spc->border_color = RrColorNew(copy->inst,
+ spo->border_color->r,
+ spo->border_color->g,
+ spo->border_color->b);
+ else spc->border_color = NULL;
+
+ if (spo->interlace_color != NULL)
+ spc->interlace_color = RrColorNew(copy->inst,
+ spo->interlace_color->r,
+ spo->interlace_color->g,
+ spo->interlace_color->b);
+ else spc->interlace_color = NULL;
+
+ if (spo->bevel_dark != NULL)
+ spc->bevel_dark = RrColorNew(copy->inst,
+ spo->bevel_dark->r,
+ spo->bevel_dark->g,
+ spo->bevel_dark->b);
+ else spc->bevel_dark = NULL;
+
+ if (spo->bevel_light != NULL)
+ spc->bevel_light = RrColorNew(copy->inst,
+ spo->bevel_light->r,
+ spo->bevel_light->g,
+ spo->bevel_light->b);
+ else spc->bevel_light = NULL;
+
+ if (spo->split_primary != NULL)
+ spc->split_primary = RrColorNew(copy->inst,
+ spo->split_primary->r,
+ spo->split_primary->g,
+ spo->split_primary->b);
+ else spc->split_primary = NULL;
+
+ if (spo->split_secondary != NULL)
+ spc->split_secondary = RrColorNew(copy->inst,
+ spo->split_secondary->r,
+ spo->split_secondary->g,
+ spo->split_secondary->b);
+ else spc->split_secondary = NULL;
+
+ spc->interlaced = spo->interlaced;
+ spc->bevel_light_adjust = spo->bevel_light_adjust;
+ spc->bevel_dark_adjust = spo->bevel_dark_adjust;
+ spc->border = spo->border;
+ spc->parent = NULL;
+ spc->parentx = spc->parenty = 0;
+ spc->pixel_data = NULL;
+
+ copy->textures = orig->textures;
+ copy->texture = g_memdup(orig->texture,
+ orig->textures * sizeof(RrTexture));
+ copy->pixmap = None;
+ copy->xftdraw = NULL;
+ copy->w = copy->h = 0;
+ return copy;
+}
+
+void RrAppearanceFree(RrAppearance *a)
+{
+ if (a) {
+ RrSurface *p;
+ if (a->pixmap != None) XFreePixmap(RrDisplay(a->inst), a->pixmap);
+ if (a->xftdraw != NULL) XftDrawDestroy(a->xftdraw);
+ if (a->textures)
+ g_free(a->texture);
+ p = &a->surface;
+ RrColorFree(p->primary);
+ RrColorFree(p->secondary);
+ RrColorFree(p->border_color);
+ RrColorFree(p->interlace_color);
+ RrColorFree(p->bevel_dark);
+ RrColorFree(p->bevel_light);
+ RrColorFree(p->split_primary);
+ RrColorFree(p->split_secondary);
+ g_free(p->pixel_data);
+ p->pixel_data = NULL;
+ g_free(a);
+ }
+}
+
+static void pixel_data_to_pixmap(RrAppearance *l,
+ gint x, gint y, gint w, gint h)
+{
+ RrPixel32 *in, *scratch;
+ Pixmap out;
+ XImage *im = NULL;
+ im = XCreateImage(RrDisplay(l->inst), RrVisual(l->inst), RrDepth(l->inst),
+ ZPixmap, 0, NULL, w, h, 32, 0);
+ g_assert(im != NULL);
+
+ in = l->surface.pixel_data;
+ out = l->pixmap;
+
+/* this malloc is a complete waste of time on normal 32bpp
+ as reduce_depth just sets im->data = data and returns
+*/
+ scratch = g_new(RrPixel32, im->width * im->height);
+ im->data = (gchar*) scratch;
+ RrReduceDepth(l->inst, in, im);
+ XPutImage(RrDisplay(l->inst), out,
+ DefaultGC(RrDisplay(l->inst), RrScreen(l->inst)),
+ im, 0, 0, x, y, w, h);
+ im->data = NULL;
+ XDestroyImage(im);
+ g_free(scratch);
+}
+
+void RrMargins (RrAppearance *a, gint *l, gint *t, gint *r, gint *b)
+{
+ *l = *t = *r = *b = 0;
+
+ if (a->surface.grad != RR_SURFACE_PARENTREL) {
+ if (a->surface.relief != RR_RELIEF_FLAT) {
+ switch (a->surface.bevel) {
+ case RR_BEVEL_1:
+ *l = *t = *r = *b = 1;
+ break;
+ case RR_BEVEL_2:
+ *l = *t = *r = *b = 2;
+ break;
+ }
+ } else if (a->surface.border) {
+ *l = *t = *r = *b = 1;
+ }
+ }
+}
+
+void RrMinSize(RrAppearance *a, gint *w, gint *h)
+{
+ *w = RrMinWidth(a);
+ *h = RrMinHeight(a);
+}
+
+gint RrMinWidth(RrAppearance *a)
+{
+ gint i;
+ RrSize *m;
+ gint l, t, r, b;
+ gint w = 0;
+
+ RrMargins(a, &l, &t, &r, &b);
+
+ for (i = 0; i < a->textures; ++i) {
+ switch (a->texture[i].type) {
+ case RR_TEXTURE_NONE:
+ break;
+ case RR_TEXTURE_MASK:
+ w = MAX(w, a->texture[i].data.mask.mask->width);
+ break;
+ case RR_TEXTURE_TEXT:
+ m = RrFontMeasureString(a->texture[i].data.text.font,
+ a->texture[i].data.text.string,
+ a->texture[i].data.text.shadow_offset_x,
+ a->texture[i].data.text.shadow_offset_y,
+ a->texture[i].data.text.flow,
+ a->texture[i].data.text.maxwidth);
+ w = MAX(w, m->width);
+ g_free(m);
+ break;
+ case RR_TEXTURE_RGBA:
+ w += MAX(w, a->texture[i].data.rgba.width);
+ break;
+ case RR_TEXTURE_IMAGE:
+ /* images resize so they don't contribute anything to the min */
+ break;
+ case RR_TEXTURE_LINE_ART:
+ w = MAX(w, MAX(a->texture[i].data.lineart.x1 - l - r,
+ a->texture[i].data.lineart.x2 - l - r));
+ break;
+ }
+ }
+
+ w += l + r;
+
+ if (w < 1) w = 1;
+ return w;
+}
+
+gint RrMinHeight(RrAppearance *a)
+{
+ gint i;
+ gint l, t, r, b;
+ RrSize *m;
+ gint h = 0;
+
+ RrMargins(a, &l, &t, &r, &b);
+
+ for (i = 0; i < a->textures; ++i) {
+ switch (a->texture[i].type) {
+ case RR_TEXTURE_NONE:
+ break;
+ case RR_TEXTURE_MASK:
+ h = MAX(h, a->texture[i].data.mask.mask->height);
+ break;
+ case RR_TEXTURE_TEXT:
+ if (a->texture[i].data.text.flow) {
+ g_assert(a->texture[i].data.text.string != NULL);
+
+ m = RrFontMeasureString
+ (a->texture[i].data.text.font,
+ a->texture[i].data.text.string,
+ a->texture[i].data.text.shadow_offset_x,
+ a->texture[i].data.text.shadow_offset_y,
+ a->texture[i].data.text.flow,
+ a->texture[i].data.text.maxwidth);
+ h += MAX(h, m->height);
+ g_free(m);
+ }
+ else
+ h += MAX(h,
+ RrFontHeight
+ (a->texture[i].data.text.font,
+ a->texture[i].data.text.shadow_offset_y));
+ break;
+ case RR_TEXTURE_RGBA:
+ h += MAX(h, a->texture[i].data.rgba.height);
+ break;
+ case RR_TEXTURE_IMAGE:
+ /* images resize so they don't contribute anything to the min */
+ break;
+ case RR_TEXTURE_LINE_ART:
+ h = MAX(h, MAX(a->texture[i].data.lineart.y1 - t - b,
+ a->texture[i].data.lineart.y2 - t - b));
+ break;
+ }
+ }
+
+ h += t + b;
+
+ if (h < 1) h = 1;
+ return h;
+}
+
+static void reverse_bits(gchar *c, gint n)
+{
+ gint i;
+ for (i = 0; i < n; i++, c++)
+ *c = (((*c * 0x0802UL & 0x22110UL) |
+ (*c * 0x8020UL & 0x88440UL)) * 0x10101UL) >> 16;
+}
+
+gboolean RrPixmapToRGBA(const RrInstance *inst,
+ Pixmap pmap, Pixmap mask,
+ gint *w, gint *h, RrPixel32 **data)
+{
+ Window xr;
+ gint xx, xy;
+ guint pw, ph, mw, mh, xb, xd, i, x, y, di;
+ XImage *xi, *xm = NULL;
+
+ if (!XGetGeometry(RrDisplay(inst), pmap,
+ &xr, &xx, &xy, &pw, &ph, &xb, &xd))
+ return FALSE;
+
+ if (mask) {
+ if (!XGetGeometry(RrDisplay(inst), mask,
+ &xr, &xx, &xy, &mw, &mh, &xb, &xd))
+ return FALSE;
+ if (pw != mw || ph != mh || xd != 1)
+ return FALSE;
+ }
+
+ xi = XGetImage(RrDisplay(inst), pmap,
+ 0, 0, pw, ph, 0xffffffff, ZPixmap);
+ if (!xi)
+ return FALSE;
+
+ if (mask) {
+ xm = XGetImage(RrDisplay(inst), mask,
+ 0, 0, mw, mh, 0xffffffff, ZPixmap);
+ if (!xm) {
+ XDestroyImage(xi);
+ return FALSE;
+ }
+ if ((xm->bits_per_pixel == 1) && (xm->bitmap_bit_order != LSBFirst))
+ reverse_bits(xm->data, xm->bytes_per_line * xm->height);
+ }
+
+ if ((xi->bits_per_pixel == 1) && (xi->bitmap_bit_order != LSBFirst))
+ reverse_bits(xi->data, xi->bytes_per_line * xi->height);
+
+ *data = g_new(RrPixel32, pw * ph);
+ RrIncreaseDepth(inst, *data, xi);
+
+ if (mask) {
+ /* apply transparency from the mask */
+ di = 0;
+ for (i = 0, y = 0; y < ph; ++y) {
+ for (x = 0; x < pw; ++x, ++i) {
+ if (!((((unsigned)xm->data[di + x / 8]) >> (x % 8)) & 0x1))
+ (*data)[i] &= ~(0xff << RrDefaultAlphaOffset);
+ }
+ di += xm->bytes_per_line;
+ }
+ }
+
+ *w = pw;
+ *h = ph;
+
+ XDestroyImage(xi);
+ if (mask)
+ XDestroyImage(xm);
+
+ return TRUE;
+}
projects / chaz / openbox / blobdiff