moved from Image.hh/cc
This commit is contained in:
parent
da452116d3
commit
49491d32b6
2 changed files with 761 additions and 0 deletions
636
src/ImageControl.cc
Normal file
636
src/ImageControl.cc
Normal file
|
@ -0,0 +1,636 @@
|
|||
// ImageControl.cc for Fluxbox Window Manager
|
||||
// Copyright (c) 2001 - 2002 Henrik Kinnunen (fluxbox at linuxmail.org)
|
||||
//
|
||||
// Image.cc for Blackbox - an X11 Window manager
|
||||
// Copyright (c) 1997 - 2000 Brad Hughes (bhughes at tcac.net)
|
||||
//
|
||||
// Permission is hereby granted, free of charge, to any person obtaining a
|
||||
// copy of this software and associated documentation files (the "Software"),
|
||||
// to deal in the Software without restriction, including without limitation
|
||||
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
||||
// and/or sell copies of the Software, and to permit persons to whom the
|
||||
// Software is furnished to do so, subject to the following conditions:
|
||||
//
|
||||
// The above copyright notice and this permission notice shall be included in
|
||||
// all copies or substantial portions of the Software.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
||||
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
||||
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
||||
// DEALINGS IN THE SOFTWARE.
|
||||
|
||||
// $Id: ImageControl.cc,v 1.1 2002/11/30 20:07:06 fluxgen Exp $
|
||||
|
||||
#include "ImageControl.hh"
|
||||
|
||||
#include "TextureRender.hh"
|
||||
#include "App.hh"
|
||||
|
||||
//use GNU extensions
|
||||
#ifndef _GNU_SOURCE
|
||||
#define _GNU_SOURCE
|
||||
#endif // _GNU_SOURCE
|
||||
|
||||
#include "i18n.hh"
|
||||
|
||||
#ifdef HAVE_CONFIG_H
|
||||
#include "config.h"
|
||||
#endif // HAVE_CONFIG_H
|
||||
|
||||
#ifdef HAVE_SYS_TYPES_H
|
||||
#include <sys/types.h>
|
||||
#endif // HAVE_SYS_TYPES_H
|
||||
|
||||
#include <cstdlib>
|
||||
#include <cstring>
|
||||
#include <cstdio>
|
||||
|
||||
#ifdef HAVE_CTYPE_H
|
||||
#include <ctype.h>
|
||||
#endif // HAVE_CTYPE_H
|
||||
|
||||
#include <iostream>
|
||||
|
||||
using namespace std;
|
||||
|
||||
// lookup table for texture
|
||||
unsigned long *BImageControl::sqrt_table = 0;
|
||||
|
||||
namespace { // anonymous
|
||||
|
||||
unsigned long bsqrt(unsigned long x) {
|
||||
if (x <= 0) return 0;
|
||||
if (x == 1) return 1;
|
||||
|
||||
unsigned long r = x >> 1;
|
||||
unsigned long q;
|
||||
|
||||
while (1) {
|
||||
q = x / r;
|
||||
if (q >= r) return r;
|
||||
r = (r + q) >> 1;
|
||||
}
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
|
||||
BImageControl::BImageControl(int screen_num, bool dither,
|
||||
int cpc, unsigned long cache_timeout, unsigned long cmax):
|
||||
m_dither(dither),
|
||||
m_timer(this),
|
||||
m_colors(0),
|
||||
m_num_colors(0),
|
||||
m_colors_per_channel(cpc) {
|
||||
|
||||
Display *disp = FbTk::App::instance()->display();
|
||||
|
||||
m_screen_depth = DefaultDepth(disp, screen_num);
|
||||
m_screen_num = screen_num;
|
||||
m_root_window = RootWindow(disp, screen_num);
|
||||
m_visual = DefaultVisual(disp, screen_num);
|
||||
m_colormap = DefaultColormap(disp, screen_num);
|
||||
|
||||
cache_max = cmax;
|
||||
#ifdef TIMEDCACHE
|
||||
if (cache_timeout) {
|
||||
m_timer.setTimeout(cache_timeout);
|
||||
m_timer.start();
|
||||
}
|
||||
#endif // TIMEDCACHE
|
||||
|
||||
createColorTable();
|
||||
}
|
||||
|
||||
|
||||
BImageControl::~BImageControl() {
|
||||
if (sqrt_table) {
|
||||
delete [] sqrt_table;
|
||||
}
|
||||
|
||||
if (grad_xbuffer) {
|
||||
delete [] grad_xbuffer;
|
||||
}
|
||||
|
||||
if (grad_ybuffer) {
|
||||
delete [] grad_ybuffer;
|
||||
}
|
||||
|
||||
if (m_colors) {
|
||||
unsigned long *pixels = new unsigned long [m_num_colors];
|
||||
|
||||
for (unsigned int color = 0; color < m_num_colors; color++)
|
||||
*(pixels + color) = (*(m_colors + color)).pixel;
|
||||
|
||||
XFreeColors(FbTk::App::instance()->display(), m_colormap, pixels, m_num_colors, 0);
|
||||
|
||||
delete [] m_colors;
|
||||
}
|
||||
|
||||
if (cache.size() > 0) {
|
||||
fprintf(stderr,
|
||||
I18n::instance()->
|
||||
getMessage(
|
||||
FBNLS::ImageSet, FBNLS::ImagePixmapRelease,
|
||||
"BImageContol::~BImageControl: pixmap cache - "
|
||||
"releasing %d pixmaps\n"), cache.size());
|
||||
|
||||
CacheList::iterator it = cache.begin();
|
||||
CacheList::iterator it_end = cache.end();
|
||||
Display *disp = FbTk::App::instance()->display();
|
||||
for (; it != it_end; ++it) {
|
||||
XFreePixmap(disp, (*it)->pixmap);
|
||||
delete (*it);
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Pixmap BImageControl::searchCache(unsigned int width, unsigned int height,
|
||||
unsigned long texture_type,
|
||||
const FbTk::Color &color, const FbTk::Color &color_to) const {
|
||||
CacheList::iterator it = cache.begin();
|
||||
CacheList::iterator it_end = cache.end();
|
||||
for (; it != it_end; ++it) {
|
||||
if (((*it)->width == width) &&
|
||||
((*it)->height == height) &&
|
||||
((*it)->texture == texture_type) &&
|
||||
((*it)->pixel1 == color.pixel())) {
|
||||
if (texture_type & FbTk::Texture::GRADIENT) {
|
||||
if ((*it)->pixel2 == color_to.pixel()) {
|
||||
(*it)->count++;
|
||||
return (*it)->pixmap;
|
||||
}
|
||||
} else {
|
||||
(*it)->count++;
|
||||
return (*it)->pixmap;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return None;
|
||||
}
|
||||
|
||||
|
||||
Pixmap BImageControl::renderImage(unsigned int width, unsigned int height,
|
||||
const FbTk::Texture &texture) {
|
||||
|
||||
if (texture.type() & FbTk::Texture::PARENTRELATIVE)
|
||||
return ParentRelative;
|
||||
|
||||
// search cache first
|
||||
Pixmap pixmap = searchCache(width, height, texture.type(),
|
||||
texture.color(), texture.colorTo());
|
||||
if (pixmap)
|
||||
return pixmap; // return cache item
|
||||
|
||||
// render new image
|
||||
TextureRender image(*this, width, height);
|
||||
pixmap = image.render(texture);
|
||||
|
||||
if (pixmap) {
|
||||
// create new cache item and add it to cache list
|
||||
|
||||
Cache *tmp = new Cache;
|
||||
|
||||
tmp->pixmap = pixmap;
|
||||
tmp->width = width;
|
||||
tmp->height = height;
|
||||
tmp->count = 1;
|
||||
tmp->texture = texture.type();
|
||||
tmp->pixel1 = texture.color().pixel();
|
||||
|
||||
if (texture.type() & FbTk::Texture::GRADIENT)
|
||||
tmp->pixel2 = texture.colorTo().pixel();
|
||||
else
|
||||
tmp->pixel2 = 0l;
|
||||
|
||||
cache.push_back(tmp);
|
||||
|
||||
if ((unsigned) cache.size() > cache_max) {
|
||||
#ifdef DEBUG
|
||||
cerr<<I18n::instance()->
|
||||
getMessage(
|
||||
FBNLS::ImageSet, FBNLS::ImagePixmapCacheLarge,
|
||||
"BImageControl::renderImage: cache is large, "
|
||||
"forcing cleanout\n")<<endl;
|
||||
#endif // DEBUG
|
||||
timeout();
|
||||
}
|
||||
|
||||
return pixmap;
|
||||
}
|
||||
|
||||
return None;
|
||||
}
|
||||
|
||||
|
||||
void BImageControl::removeImage(Pixmap pixmap) {
|
||||
if (!pixmap)
|
||||
return;
|
||||
|
||||
CacheList::iterator it = cache.begin();
|
||||
CacheList::iterator it_end = cache.end();
|
||||
for (; it != it_end; ++it) {
|
||||
if ((*it)->pixmap == pixmap) {
|
||||
if ((*it)->count) {
|
||||
(*it)->count--;
|
||||
|
||||
#ifdef TIMEDCACHE
|
||||
timeout();
|
||||
#else // !TIMEDCACHE
|
||||
if (! (*it)->count) timeout();
|
||||
#endif // TIMEDCACHE
|
||||
}
|
||||
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void BImageControl::colorTables(const unsigned char **rmt, const unsigned char **gmt,
|
||||
const unsigned char **bmt,
|
||||
int *roff, int *goff, int *boff,
|
||||
int *rbit, int *gbit, int *bbit) const {
|
||||
|
||||
if (rmt) *rmt = red_color_table;
|
||||
if (gmt) *gmt = green_color_table;
|
||||
if (bmt) *bmt = blue_color_table;
|
||||
|
||||
if (roff) *roff = red_offset;
|
||||
if (goff) *goff = green_offset;
|
||||
if (boff) *boff = blue_offset;
|
||||
|
||||
if (rbit) *rbit = red_bits;
|
||||
if (gbit) *gbit = green_bits;
|
||||
if (bbit) *bbit = blue_bits;
|
||||
}
|
||||
|
||||
|
||||
void BImageControl::getXColorTable(XColor **c, int *n) {
|
||||
if (c) *c = m_colors;
|
||||
if (n) *n = m_num_colors;
|
||||
}
|
||||
|
||||
|
||||
void BImageControl::getGradientBuffers(unsigned int w,
|
||||
unsigned int h,
|
||||
unsigned int **xbuf,
|
||||
unsigned int **ybuf) {
|
||||
|
||||
if (w > grad_buffer_width) {
|
||||
if (grad_xbuffer) {
|
||||
delete [] grad_xbuffer;
|
||||
}
|
||||
|
||||
grad_buffer_width = w;
|
||||
|
||||
grad_xbuffer = new unsigned int[grad_buffer_width * 3];
|
||||
}
|
||||
|
||||
if (h > grad_buffer_height) {
|
||||
if (grad_ybuffer) {
|
||||
delete [] grad_ybuffer;
|
||||
}
|
||||
|
||||
grad_buffer_height = h;
|
||||
|
||||
grad_ybuffer = new unsigned int[grad_buffer_height * 3];
|
||||
}
|
||||
|
||||
*xbuf = grad_xbuffer;
|
||||
*ybuf = grad_ybuffer;
|
||||
}
|
||||
|
||||
|
||||
void BImageControl::installRootColormap() {
|
||||
XGrabServer(FbTk::App::instance()->display());
|
||||
|
||||
|
||||
Display *disp = FbTk::App::instance()->display();
|
||||
bool install = true;
|
||||
int i = 0, ncmap = 0;
|
||||
Colormap *cmaps =
|
||||
XListInstalledColormaps(disp, m_root_window, &ncmap);
|
||||
|
||||
if (cmaps) {
|
||||
for (i = 0; i < ncmap; i++) {
|
||||
if (*(cmaps + i) == m_colormap)
|
||||
install = false;
|
||||
}
|
||||
|
||||
if (install)
|
||||
XInstallColormap(disp, m_colormap);
|
||||
|
||||
XFree(cmaps);
|
||||
}
|
||||
|
||||
XUngrabServer(FbTk::App::instance()->display());
|
||||
}
|
||||
|
||||
|
||||
void BImageControl::setColorsPerChannel(int cpc) {
|
||||
if (cpc < 2) cpc = 2;
|
||||
if (cpc > 6) cpc = 6;
|
||||
|
||||
m_colors_per_channel = cpc;
|
||||
}
|
||||
|
||||
|
||||
unsigned long BImageControl::getSqrt(unsigned int x) const {
|
||||
if (! sqrt_table) {
|
||||
// build sqrt table for use with elliptic gradient
|
||||
|
||||
sqrt_table = new unsigned long[(256 * 256 * 2) + 1];
|
||||
int i = 0;
|
||||
|
||||
for (; i < (256 * 256 * 2); i++)
|
||||
*(sqrt_table + i) = bsqrt(i);
|
||||
}
|
||||
|
||||
return (*(sqrt_table + x));
|
||||
}
|
||||
|
||||
void BImageControl::timeout() {
|
||||
Display *disp = FbTk::App::instance()->display();
|
||||
CacheList::iterator it = cache.begin();
|
||||
CacheList::iterator it_end = cache.end();
|
||||
for (; it != it_end; ++it) {
|
||||
Cache *tmp = (*it);
|
||||
|
||||
if (tmp->count <= 0) {
|
||||
XFreePixmap(disp, tmp->pixmap);
|
||||
it = cache.erase(it);
|
||||
delete tmp;
|
||||
if (it == it_end) break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void BImageControl::createColorTable() {
|
||||
Display *disp = FbTk::App::instance()->display();
|
||||
|
||||
grad_xbuffer = grad_ybuffer = (unsigned int *) 0;
|
||||
grad_buffer_width = grad_buffer_height = 0;
|
||||
|
||||
int count;
|
||||
XPixmapFormatValues *pmv = XListPixmapFormats(disp, &count);
|
||||
|
||||
if (pmv) {
|
||||
bits_per_pixel = 0;
|
||||
for (int i = 0; i < count; i++) {
|
||||
if (pmv[i].depth == m_screen_depth) {
|
||||
bits_per_pixel = pmv[i].bits_per_pixel;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
XFree(pmv);
|
||||
}
|
||||
|
||||
if (bits_per_pixel == 0)
|
||||
bits_per_pixel = m_screen_depth;
|
||||
if (bits_per_pixel >= 24)
|
||||
setDither(false);
|
||||
|
||||
red_offset = green_offset = blue_offset = 0;
|
||||
I18n *i18n = I18n::instance();
|
||||
switch (visual()->c_class) {
|
||||
case TrueColor: {
|
||||
int i;
|
||||
|
||||
// compute color tables
|
||||
unsigned long red_mask = visual()->red_mask,
|
||||
green_mask = visual()->green_mask,
|
||||
blue_mask = visual()->blue_mask;
|
||||
|
||||
while (! (red_mask & 1)) { red_offset++; red_mask >>= 1; }
|
||||
while (! (green_mask & 1)) { green_offset++; green_mask >>= 1; }
|
||||
while (! (blue_mask & 1)) { blue_offset++; blue_mask >>= 1; }
|
||||
|
||||
red_bits = 255 / red_mask;
|
||||
green_bits = 255 / green_mask;
|
||||
blue_bits = 255 / blue_mask;
|
||||
|
||||
for (i = 0; i < 256; i++) {
|
||||
red_color_table[i] = i / red_bits;
|
||||
green_color_table[i] = i / green_bits;
|
||||
blue_color_table[i] = i / blue_bits;
|
||||
}
|
||||
}
|
||||
|
||||
break;
|
||||
|
||||
case PseudoColor:
|
||||
case StaticColor: {
|
||||
|
||||
m_num_colors = m_colors_per_channel * m_colors_per_channel * m_colors_per_channel;
|
||||
|
||||
if (m_num_colors > static_cast<unsigned int>(1 << m_screen_depth)) {
|
||||
m_colors_per_channel = (1 << m_screen_depth) / 3;
|
||||
m_num_colors = m_colors_per_channel * m_colors_per_channel * m_colors_per_channel;
|
||||
}
|
||||
|
||||
if (m_colors_per_channel < 2 || m_num_colors > static_cast<unsigned int>(1 << m_screen_depth)) {
|
||||
fprintf(stderr,
|
||||
i18n->
|
||||
getMessage(
|
||||
FBNLS::ImageSet, FBNLS::ImageInvalidColormapSize,
|
||||
"BImageControl::BImageControl: invalid colormap size %d "
|
||||
"(%d/%d/%d) - reducing"),
|
||||
m_num_colors, m_colors_per_channel, m_colors_per_channel,
|
||||
m_colors_per_channel);
|
||||
|
||||
m_colors_per_channel = (1 << m_screen_depth) / 3;
|
||||
}
|
||||
|
||||
m_colors = new XColor[m_num_colors];
|
||||
|
||||
int bits = 256 / m_colors_per_channel;
|
||||
|
||||
#ifndef ORDEREDPSEUDO
|
||||
bits = 255 / (m_colors_per_channel - 1);
|
||||
#endif // ORDEREDPSEUDO
|
||||
|
||||
red_bits = green_bits = blue_bits = bits;
|
||||
|
||||
for (unsigned int i = 0; i < 256; i++) {
|
||||
red_color_table[i] = green_color_table[i] = blue_color_table[i] =
|
||||
i / bits;
|
||||
}
|
||||
|
||||
for (int r = 0, i = 0; r < m_colors_per_channel; r++) {
|
||||
for (int g = 0; g < m_colors_per_channel; g++) {
|
||||
for (int b = 0; b < m_colors_per_channel; b++, i++) {
|
||||
m_colors[i].red = (r * 0xffff) / (m_colors_per_channel - 1);
|
||||
m_colors[i].green = (g * 0xffff) / (m_colors_per_channel - 1);
|
||||
m_colors[i].blue = (b * 0xffff) / (m_colors_per_channel - 1);;
|
||||
m_colors[i].flags = DoRed|DoGreen|DoBlue;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
for (unsigned int i = 0; i < m_num_colors; i++) {
|
||||
if (! XAllocColor(disp, m_colormap, &m_colors[i])) {
|
||||
fprintf(stderr,
|
||||
i18n->getMessage(
|
||||
FBNLS::ImageSet, FBNLS::ImageColorAllocFail,
|
||||
"couldn't alloc color %i %i %i\n"),
|
||||
m_colors[i].red, m_colors[i].green, m_colors[i].blue);
|
||||
m_colors[i].flags = 0;
|
||||
} else
|
||||
m_colors[i].flags = DoRed|DoGreen|DoBlue;
|
||||
}
|
||||
|
||||
XColor icolors[256];
|
||||
unsigned int incolors = (((1 << m_screen_depth) > 256) ? 256 : (1 << m_screen_depth));
|
||||
|
||||
for (unsigned int i = 0; i < incolors; i++)
|
||||
icolors[i].pixel = i;
|
||||
|
||||
XQueryColors(disp, m_colormap, icolors, incolors);
|
||||
for (unsigned int i = 0; i < m_num_colors; i++) {
|
||||
if (! m_colors[i].flags) {
|
||||
unsigned long chk = 0xffffffff, pixel, close = 0;
|
||||
char p = 2;
|
||||
|
||||
while (p--) {
|
||||
for (unsigned int ii = 0; ii < incolors; ii++) {
|
||||
int r = (m_colors[i].red - icolors[i].red) >> 8;
|
||||
int g = (m_colors[i].green - icolors[i].green) >> 8;
|
||||
int b = (m_colors[i].blue - icolors[i].blue) >> 8;
|
||||
pixel = (r * r) + (g * g) + (b * b);
|
||||
|
||||
if (pixel < chk) {
|
||||
chk = pixel;
|
||||
close = ii;
|
||||
}
|
||||
|
||||
m_colors[i].red = icolors[close].red;
|
||||
m_colors[i].green = icolors[close].green;
|
||||
m_colors[i].blue = icolors[close].blue;
|
||||
|
||||
if (XAllocColor(disp, m_colormap,
|
||||
&m_colors[i])) {
|
||||
m_colors[i].flags = DoRed|DoGreen|DoBlue;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case GrayScale:
|
||||
case StaticGray:
|
||||
{
|
||||
|
||||
if (visual()->c_class == StaticGray) {
|
||||
m_num_colors = 1 << m_screen_depth;
|
||||
} else {
|
||||
m_num_colors = m_colors_per_channel * m_colors_per_channel * m_colors_per_channel;
|
||||
|
||||
if (m_num_colors > static_cast<unsigned int>(1 << m_screen_depth)) {
|
||||
m_colors_per_channel = (1 << m_screen_depth) / 3;
|
||||
m_num_colors = m_colors_per_channel * m_colors_per_channel * m_colors_per_channel;
|
||||
}
|
||||
}
|
||||
|
||||
if (m_colors_per_channel < 2 || m_num_colors > static_cast<unsigned int>(1 << m_screen_depth)) {
|
||||
fprintf(stderr,
|
||||
i18n->
|
||||
getMessage(
|
||||
FBNLS::ImageSet, FBNLS::ImageInvalidColormapSize,
|
||||
"BImageControl::BImageControl: invalid colormap size %d "
|
||||
"(%d/%d/%d) - reducing"),
|
||||
m_num_colors, m_colors_per_channel, m_colors_per_channel,
|
||||
m_colors_per_channel);
|
||||
|
||||
m_colors_per_channel = (1 << m_screen_depth) / 3;
|
||||
}
|
||||
|
||||
m_colors = new XColor[m_num_colors];
|
||||
|
||||
int p, bits = 255 / (m_colors_per_channel - 1);
|
||||
red_bits = green_bits = blue_bits = bits;
|
||||
|
||||
for (unsigned int i = 0; i < 256; i++)
|
||||
red_color_table[i] = green_color_table[i] = blue_color_table[i] =
|
||||
i / bits;
|
||||
|
||||
for (unsigned int i = 0; i < m_num_colors; i++) {
|
||||
m_colors[i].red = (i * 0xffff) / (m_colors_per_channel - 1);
|
||||
m_colors[i].green = (i * 0xffff) / (m_colors_per_channel - 1);
|
||||
m_colors[i].blue = (i * 0xffff) / (m_colors_per_channel - 1);;
|
||||
m_colors[i].flags = DoRed|DoGreen|DoBlue;
|
||||
|
||||
if (! XAllocColor(disp, m_colormap,
|
||||
&m_colors[i])) {
|
||||
fprintf(stderr,
|
||||
i18n->
|
||||
getMessage(
|
||||
FBNLS::ImageSet, FBNLS::ImageColorAllocFail,
|
||||
"couldn't alloc color %i %i %i\n"),
|
||||
m_colors[i].red, m_colors[i].green, m_colors[i].blue);
|
||||
m_colors[i].flags = 0;
|
||||
} else
|
||||
m_colors[i].flags = DoRed|DoGreen|DoBlue;
|
||||
}
|
||||
|
||||
|
||||
XColor icolors[256];
|
||||
unsigned int incolors = (((1 << m_screen_depth) > 256) ? 256 :
|
||||
(1 << m_screen_depth));
|
||||
|
||||
for (unsigned int i = 0; i < incolors; i++)
|
||||
icolors[i].pixel = i;
|
||||
|
||||
XQueryColors(disp, m_colormap, icolors, incolors);
|
||||
for (unsigned int i = 0; i < m_num_colors; i++) {
|
||||
if (! m_colors[i].flags) {
|
||||
unsigned long chk = 0xffffffff, pixel, close = 0;
|
||||
|
||||
p = 2;
|
||||
while (p--) {
|
||||
for (unsigned int ii = 0; ii < incolors; ii++) {
|
||||
int r = (m_colors[i].red - icolors[i].red) >> 8;
|
||||
int g = (m_colors[i].green - icolors[i].green) >> 8;
|
||||
int b = (m_colors[i].blue - icolors[i].blue) >> 8;
|
||||
pixel = (r * r) + (g * g) + (b * b);
|
||||
|
||||
if (pixel < chk) {
|
||||
chk = pixel;
|
||||
close = ii;
|
||||
}
|
||||
|
||||
m_colors[i].red = icolors[close].red;
|
||||
m_colors[i].green = icolors[close].green;
|
||||
m_colors[i].blue = icolors[close].blue;
|
||||
|
||||
if (XAllocColor(disp, m_colormap, &m_colors[i])) {
|
||||
m_colors[i].flags = DoRed|DoGreen|DoBlue;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
default:
|
||||
throw string(i18n->
|
||||
getMessage(
|
||||
FBNLS::ImageSet, FBNLS::ImageUnsupVisual,
|
||||
"BImageControl::BImageControl: unsupported visual"));
|
||||
|
||||
}
|
||||
}
|
125
src/ImageControl.hh
Normal file
125
src/ImageControl.hh
Normal file
|
@ -0,0 +1,125 @@
|
|||
// ImageControl.hh for Fluxbox Window Manager
|
||||
// Copyright (c) 2001 - 2002 Henrik Kinnunen (fluxbox at linuxmail.org)
|
||||
//
|
||||
// Image.hh for Blackbox - an X11 Window manager
|
||||
// Copyright (c) 1997 - 2000 Brad Hughes (bhughes at tcac.net)
|
||||
//
|
||||
// Permission is hereby granted, free of charge, to any person obtaining a
|
||||
// copy of this software and associated documentation files (the "Software"),
|
||||
// to deal in the Software without restriction, including without limitation
|
||||
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
||||
// and/or sell copies of the Software, and to permit persons to whom the
|
||||
// Software is furnished to do so, subject to the following conditions:
|
||||
//
|
||||
// The above copyright notice and this permission notice shall be included in
|
||||
// all copies or substantial portions of the Software.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
||||
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
||||
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
||||
// DEALINGS IN THE SOFTWARE.
|
||||
|
||||
// $Id: ImageControl.hh,v 1.1 2002/11/30 20:07:06 fluxgen Exp $
|
||||
|
||||
#ifndef IMAGECONTROL_HH
|
||||
#define IMAGECONTROL_HH
|
||||
|
||||
#include "Texture.hh"
|
||||
#include "Timer.hh"
|
||||
|
||||
#include <X11/Xlib.h>
|
||||
#include <X11/Xutil.h>
|
||||
#include <list>
|
||||
|
||||
/**
|
||||
Holds screen info and color tables
|
||||
*/
|
||||
class BImageControl : public TimeoutHandler {
|
||||
public:
|
||||
BImageControl(int screen_num, bool dither = false, int colors_per_channel = 4,
|
||||
unsigned long cache_timeout = 300000l, unsigned long cache_max = 200l);
|
||||
virtual ~BImageControl();
|
||||
|
||||
inline bool doDither() const { return m_dither; }
|
||||
inline int bitsPerPixel() const { return bits_per_pixel; }
|
||||
inline int depth() const { return m_screen_depth; }
|
||||
inline int colorsPerChannel() const { return m_colors_per_channel; }
|
||||
int screenNum() const { return m_screen_num; }
|
||||
Visual *visual() const { return m_visual; }
|
||||
unsigned long getSqrt(unsigned int val) const;
|
||||
|
||||
/**
|
||||
Render to pixmap
|
||||
@param width width of pixmap
|
||||
@param height height of pixmap
|
||||
@param src_texture texture type to render
|
||||
@return pixmap of the rendered image, on failure None
|
||||
*/
|
||||
Pixmap renderImage(unsigned int width, unsigned int height,
|
||||
const FbTk::Texture &src_texture);
|
||||
|
||||
void installRootColormap();
|
||||
void removeImage(Pixmap thepix);
|
||||
void colorTables(const unsigned char **, const unsigned char **, const unsigned char **,
|
||||
int *, int *, int *, int *, int *, int *) const;
|
||||
void getXColorTable(XColor **, int *);
|
||||
void getGradientBuffers(unsigned int, unsigned int,
|
||||
unsigned int **, unsigned int **);
|
||||
void setDither(bool d) { m_dither = d; }
|
||||
void setColorsPerChannel(int cpc);
|
||||
|
||||
virtual void timeout();
|
||||
|
||||
private:
|
||||
/**
|
||||
Search cache for a specific pixmap
|
||||
@return None if no cache was found
|
||||
*/
|
||||
Pixmap searchCache(unsigned int width, unsigned int height, unsigned long texture_type,
|
||||
const FbTk::Color &color, const FbTk::Color &color_to) const;
|
||||
|
||||
void createColorTable();
|
||||
bool m_dither;
|
||||
|
||||
BTimer m_timer;
|
||||
|
||||
Colormap m_colormap;
|
||||
|
||||
Window m_root_window;
|
||||
|
||||
XColor *m_colors; ///< color table
|
||||
unsigned int m_num_colors; ///< number of colors in color table
|
||||
|
||||
Visual *m_visual;
|
||||
|
||||
int bits_per_pixel, red_offset, green_offset, blue_offset,
|
||||
red_bits, green_bits, blue_bits;
|
||||
int m_colors_per_channel; ///< number of colors per channel
|
||||
int m_screen_depth; ///< bit depth of screen
|
||||
int m_screen_num; ///< screen number
|
||||
unsigned char red_color_table[256], green_color_table[256],
|
||||
blue_color_table[256];
|
||||
unsigned int *grad_xbuffer, *grad_ybuffer, grad_buffer_width,
|
||||
grad_buffer_height;
|
||||
|
||||
static unsigned long *sqrt_table; /// sqrt lookup table
|
||||
|
||||
typedef struct Cache {
|
||||
Pixmap pixmap;
|
||||
|
||||
unsigned int count, width, height;
|
||||
unsigned long pixel1, pixel2, texture;
|
||||
} Cache;
|
||||
|
||||
unsigned long cache_max;
|
||||
typedef std::list<Cache *> CacheList;
|
||||
|
||||
mutable CacheList cache;
|
||||
};
|
||||
|
||||
|
||||
#endif // IMAGECONTROL_HH
|
||||
|
Loading…
Reference in a new issue