575 lines
18 KiB
C
575 lines
18 KiB
C
/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
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render.c for the Openbox window manager
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Copyright (c) 2006 Mikael Magnusson
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Copyright (c) 2003-2007 Dana Jansens
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Copyright (c) 2003 Derek Foreman
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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See the COPYING file for a copy of the GNU General Public License.
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*/
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#include "render.h"
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#include "gradient.h"
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#include "font.h"
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#include "mask.h"
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#include "color.h"
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#include "image.h"
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#include "theme.h"
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#include <glib.h>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/Xft/Xft.h>
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#ifdef HAVE_STDLIB_H
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# include <stdlib.h>
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#endif
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static void pixel_data_to_pixmap(RrAppearance *l,
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gint x, gint y, gint w, gint h);
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Pixmap RrPaintPixmap(RrAppearance *a, gint w, gint h)
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{
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gint i, transferred = 0, force_transfer = 0;
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Pixmap oldp = None;
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RrRect tarea; /* area in which to draw textures */
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gboolean resized;
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if (w <= 0 || h <= 0) return None;
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if (a->surface.parentx < 0 || a->surface.parenty < 0) {
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/* ob_debug("Invalid parent co-ordinates\n"); */
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return None;
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}
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if (a->surface.grad == RR_SURFACE_PARENTREL &&
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(a->surface.parentx >= a->surface.parent->w ||
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a->surface.parenty >= a->surface.parent->h))
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{
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return None;
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}
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resized = (a->w != w || a->h != h);
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oldp = a->pixmap; /* save to free after changing the visible pixmap */
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a->pixmap = XCreatePixmap(RrDisplay(a->inst),
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RrRootWindow(a->inst),
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w, h, RrDepth(a->inst));
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g_assert(a->pixmap != None);
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a->w = w;
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a->h = h;
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if (a->xftdraw != NULL)
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XftDrawDestroy(a->xftdraw);
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a->xftdraw = XftDrawCreate(RrDisplay(a->inst), a->pixmap,
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RrVisual(a->inst), RrColormap(a->inst));
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g_assert(a->xftdraw != NULL);
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if (resized) {
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g_free(a->surface.pixel_data);
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a->surface.pixel_data = g_new(RrPixel32, w * h);
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}
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RrRender(a, w, h);
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{
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gint l, t, r, b;
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RrMargins(a, &l, &t, &r, &b);
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RECT_SET(tarea, l, t, w - l - r, h - t - b);
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}
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for (i = 0; i < a->textures; i++) {
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switch (a->texture[i].type) {
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case RR_TEXTURE_NONE:
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break;
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case RR_TEXTURE_TEXT:
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if (!transferred) {
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transferred = 1;
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if ((a->surface.grad != RR_SURFACE_SOLID)
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|| (a->surface.interlaced))
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pixel_data_to_pixmap(a, 0, 0, w, h);
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}
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if (a->xftdraw == NULL) {
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a->xftdraw = XftDrawCreate(RrDisplay(a->inst), a->pixmap,
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RrVisual(a->inst),
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RrColormap(a->inst));
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}
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RrFontDraw(a->xftdraw, &a->texture[i].data.text, &tarea);
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break;
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case RR_TEXTURE_LINE_ART:
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if (!transferred) {
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transferred = 1;
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if ((a->surface.grad != RR_SURFACE_SOLID)
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|| (a->surface.interlaced))
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pixel_data_to_pixmap(a, 0, 0, w, h);
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}
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XDrawLine(RrDisplay(a->inst), a->pixmap,
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RrColorGC(a->texture[i].data.lineart.color),
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a->texture[i].data.lineart.x1,
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a->texture[i].data.lineart.y1,
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a->texture[i].data.lineart.x2,
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a->texture[i].data.lineart.y2);
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break;
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case RR_TEXTURE_MASK:
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if (!transferred) {
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transferred = 1;
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if ((a->surface.grad != RR_SURFACE_SOLID)
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|| (a->surface.interlaced))
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pixel_data_to_pixmap(a, 0, 0, w, h);
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}
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RrPixmapMaskDraw(a->pixmap, &a->texture[i].data.mask, &tarea);
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break;
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case RR_TEXTURE_IMAGE:
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g_assert(!transferred);
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{
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RrRect narea = tarea;
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RrTextureImage *img = &a->texture[i].data.image;
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narea.x += img->tx;
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narea.width -= img->tx;
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narea.y += img->ty;
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narea.height -= img->ty;
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if (img->twidth)
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narea.width = MIN(narea.width, img->twidth);
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if (img->theight)
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narea.height = MIN(narea.height, img->theight);
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RrImageDrawImage(a->surface.pixel_data,
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&a->texture[i].data.image,
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a->w, a->h,
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&narea);
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}
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force_transfer = 1;
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break;
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case RR_TEXTURE_RGBA:
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g_assert(!transferred);
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{
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RrRect narea = tarea;
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RrTextureRGBA *rgb = &a->texture[i].data.rgba;
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narea.x += rgb->tx;
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narea.width -= rgb->tx;
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narea.y += rgb->ty;
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narea.height -= rgb->ty;
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if (rgb->twidth)
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narea.width = MIN(narea.width, rgb->twidth);
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if (rgb->theight)
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narea.height = MIN(narea.height, rgb->theight);
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RrImageDrawRGBA(a->surface.pixel_data,
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&a->texture[i].data.rgba,
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a->w, a->h,
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&narea);
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}
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force_transfer = 1;
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break;
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case RR_TEXTURE_NUM_TYPES:
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g_assert_not_reached();
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}
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}
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if (!transferred) {
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transferred = 1;
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if ((a->surface.grad != RR_SURFACE_SOLID) || (a->surface.interlaced) ||
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force_transfer)
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{
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pixel_data_to_pixmap(a, 0, 0, w, h);
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}
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}
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return oldp;
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}
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void RrPaint(RrAppearance *a, Window win, gint w, gint h)
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{
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Pixmap oldp;
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oldp = RrPaintPixmap(a, w, h);
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XSetWindowBackgroundPixmap(RrDisplay(a->inst), win, a->pixmap);
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XClearWindow(RrDisplay(a->inst), win);
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/* free this after changing the visible pixmap */
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if (oldp) XFreePixmap(RrDisplay(a->inst), oldp);
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}
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RrAppearance *RrAppearanceNew(const RrInstance *inst, gint numtex)
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{
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RrAppearance *out;
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out = g_slice_new0(RrAppearance);
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out->inst = inst;
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out->textures = numtex;
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out->surface.bevel_light_adjust = 128;
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out->surface.bevel_dark_adjust = 64;
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if (numtex) out->texture = g_new0(RrTexture, numtex);
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return out;
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}
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void RrAppearanceRemoveTextures(RrAppearance *a)
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{
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g_free(a->texture);
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a->textures = 0;
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}
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void RrAppearanceAddTextures(RrAppearance *a, gint numtex)
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{
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g_assert(a->textures == 0);
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a->textures = numtex;
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if (numtex) a->texture = g_new0(RrTexture, numtex);
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}
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void RrAppearanceClearTextures(RrAppearance *a)
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{
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memset(a->texture, 0, a->textures * sizeof(RrTexture));
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}
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/* deep copy of orig, means reset ref to 1 on copy
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* and copy each thing memwise. */
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RrAppearance *RrAppearanceCopy(RrAppearance *orig)
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{
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RrSurface *spo, *spc;
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RrAppearance *copy = g_slice_new(RrAppearance);
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copy->inst = orig->inst;
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spo = &(orig->surface);
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spc = &(copy->surface);
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spc->grad = spo->grad;
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spc->relief = spo->relief;
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spc->bevel = spo->bevel;
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if (spo->primary != NULL)
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spc->primary = RrColorNew(copy->inst,
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spo->primary->r,
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spo->primary->g,
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spo->primary->b);
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else spc->primary = NULL;
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if (spo->secondary != NULL)
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spc->secondary = RrColorNew(copy->inst,
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spo->secondary->r,
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spo->secondary->g,
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spo->secondary->b);
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else spc->secondary = NULL;
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if (spo->border_color != NULL)
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spc->border_color = RrColorNew(copy->inst,
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spo->border_color->r,
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spo->border_color->g,
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spo->border_color->b);
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else spc->border_color = NULL;
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if (spo->interlace_color != NULL)
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spc->interlace_color = RrColorNew(copy->inst,
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spo->interlace_color->r,
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spo->interlace_color->g,
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spo->interlace_color->b);
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else spc->interlace_color = NULL;
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if (spo->bevel_dark != NULL)
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spc->bevel_dark = RrColorNew(copy->inst,
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spo->bevel_dark->r,
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spo->bevel_dark->g,
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spo->bevel_dark->b);
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else spc->bevel_dark = NULL;
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if (spo->bevel_light != NULL)
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spc->bevel_light = RrColorNew(copy->inst,
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spo->bevel_light->r,
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spo->bevel_light->g,
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spo->bevel_light->b);
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else spc->bevel_light = NULL;
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if (spo->split_primary != NULL)
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spc->split_primary = RrColorNew(copy->inst,
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spo->split_primary->r,
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spo->split_primary->g,
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spo->split_primary->b);
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else spc->split_primary = NULL;
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if (spo->split_secondary != NULL)
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spc->split_secondary = RrColorNew(copy->inst,
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spo->split_secondary->r,
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spo->split_secondary->g,
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spo->split_secondary->b);
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else spc->split_secondary = NULL;
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spc->interlaced = spo->interlaced;
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spc->bevel_light_adjust = spo->bevel_light_adjust;
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spc->bevel_dark_adjust = spo->bevel_dark_adjust;
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spc->border = spo->border;
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spc->parent = NULL;
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spc->parentx = spc->parenty = 0;
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spc->pixel_data = NULL;
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copy->textures = orig->textures;
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copy->texture = g_memdup(orig->texture,
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orig->textures * sizeof(RrTexture));
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copy->pixmap = None;
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copy->xftdraw = NULL;
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copy->w = copy->h = 0;
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return copy;
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}
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/* now decrements ref counter, and frees only if ref <= 0 */
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void RrAppearanceFree(RrAppearance *a)
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{
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if (a) {
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RrSurface *p;
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if (a->pixmap != None) XFreePixmap(RrDisplay(a->inst), a->pixmap);
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if (a->xftdraw != NULL) XftDrawDestroy(a->xftdraw);
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if (a->textures)
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g_free(a->texture);
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p = &a->surface;
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RrColorFree(p->primary);
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RrColorFree(p->secondary);
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RrColorFree(p->border_color);
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RrColorFree(p->interlace_color);
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RrColorFree(p->bevel_dark);
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RrColorFree(p->bevel_light);
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RrColorFree(p->split_primary);
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RrColorFree(p->split_secondary);
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g_free(p->pixel_data);
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p->pixel_data = NULL;
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g_slice_free(RrAppearance, a);
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}
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}
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static void pixel_data_to_pixmap(RrAppearance *l,
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gint x, gint y, gint w, gint h)
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{
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RrPixel32 *in, *scratch;
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Pixmap out;
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XImage *im = NULL;
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im = XCreateImage(RrDisplay(l->inst), RrVisual(l->inst), RrDepth(l->inst),
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ZPixmap, 0, NULL, w, h, 32, 0);
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g_assert(im != NULL);
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in = l->surface.pixel_data;
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out = l->pixmap;
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/* this malloc is a complete waste of time on normal 32bpp
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as reduce_depth just sets im->data = data and returns
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*/
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scratch = g_new(RrPixel32, im->width * im->height);
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im->data = (gchar*) scratch;
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RrReduceDepth(l->inst, in, im);
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XPutImage(RrDisplay(l->inst), out,
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DefaultGC(RrDisplay(l->inst), RrScreen(l->inst)),
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im, 0, 0, x, y, w, h);
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im->data = NULL;
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XDestroyImage(im);
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g_free(scratch);
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}
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void RrMargins (RrAppearance *a, gint *l, gint *t, gint *r, gint *b)
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{
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*l = *t = *r = *b = 0;
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if (a->surface.grad != RR_SURFACE_PARENTREL) {
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if (a->surface.relief != RR_RELIEF_FLAT) {
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switch (a->surface.bevel) {
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case RR_BEVEL_1:
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*l = *t = *r = *b = 1;
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break;
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case RR_BEVEL_2:
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*l = *t = *r = *b = 2;
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break;
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case RR_BEVEL_NUM_TYPES:
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g_assert_not_reached();
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}
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} else if (a->surface.border) {
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*l = *t = *r = *b = 1;
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}
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}
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}
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void RrMinSize(RrAppearance *a, gint *w, gint *h)
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{
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*w = RrMinWidth(a);
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*h = RrMinHeight(a);
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}
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gint RrMinWidth(RrAppearance *a)
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{
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gint i;
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RrSize *m;
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gint l, t, r, b;
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gint w = 0;
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RrMargins(a, &l, &t, &r, &b);
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for (i = 0; i < a->textures; ++i) {
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switch (a->texture[i].type) {
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case RR_TEXTURE_NONE:
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break;
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case RR_TEXTURE_MASK:
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w = MAX(w, a->texture[i].data.mask.mask->width);
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break;
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case RR_TEXTURE_TEXT:
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m = RrFontMeasureString(a->texture[i].data.text.font,
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a->texture[i].data.text.string,
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a->texture[i].data.text.shadow_offset_x,
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a->texture[i].data.text.shadow_offset_y,
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a->texture[i].data.text.flow,
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a->texture[i].data.text.maxwidth);
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w = MAX(w, m->width);
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g_slice_free(RrSize, m);
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break;
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case RR_TEXTURE_RGBA:
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w += MAX(w, a->texture[i].data.rgba.width);
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break;
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case RR_TEXTURE_IMAGE:
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/* images resize so they don't contribute anything to the min */
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break;
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case RR_TEXTURE_LINE_ART:
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w = MAX(w, MAX(a->texture[i].data.lineart.x1 - l - r,
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a->texture[i].data.lineart.x2 - l - r));
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break;
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case RR_TEXTURE_NUM_TYPES:
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g_assert_not_reached();
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}
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}
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w += l + r;
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if (w < 1) w = 1;
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return w;
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}
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gint RrMinHeight(RrAppearance *a)
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{
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gint i;
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gint l, t, r, b;
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RrSize *m;
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gint h = 0;
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RrMargins(a, &l, &t, &r, &b);
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for (i = 0; i < a->textures; ++i) {
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switch (a->texture[i].type) {
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case RR_TEXTURE_NONE:
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break;
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case RR_TEXTURE_MASK:
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h = MAX(h, a->texture[i].data.mask.mask->height);
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break;
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case RR_TEXTURE_TEXT:
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if (a->texture[i].data.text.flow) {
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g_assert(a->texture[i].data.text.string != NULL);
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m = RrFontMeasureString
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(a->texture[i].data.text.font,
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a->texture[i].data.text.string,
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a->texture[i].data.text.shadow_offset_x,
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a->texture[i].data.text.shadow_offset_y,
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a->texture[i].data.text.flow,
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a->texture[i].data.text.maxwidth);
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h += MAX(h, m->height);
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g_slice_free(RrSize, m);
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}
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else
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h += MAX(h,
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RrFontHeight
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(a->texture[i].data.text.font,
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a->texture[i].data.text.shadow_offset_y));
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break;
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case RR_TEXTURE_RGBA:
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h += MAX(h, a->texture[i].data.rgba.height);
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break;
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case RR_TEXTURE_IMAGE:
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/* images resize so they don't contribute anything to the min */
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break;
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case RR_TEXTURE_LINE_ART:
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h = MAX(h, MAX(a->texture[i].data.lineart.y1 - t - b,
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a->texture[i].data.lineart.y2 - t - b));
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break;
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case RR_TEXTURE_NUM_TYPES:
|
|
g_assert_not_reached();
|
|
}
|
|
}
|
|
|
|
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;
|
|
}
|