+++ /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;
-}