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authorMarius Nita <marius@cs.pdx.edu>2002-11-01 03:30:18 +0000
committerMarius Nita <marius@cs.pdx.edu>2002-11-01 03:30:18 +0000
commit110a1eeed9b5d0deb127a02364cf6c6fe29a9de8 (patch)
tree93f4bbe6f757ec830988e1aa7de80a4447b99962 /src/color.cc
parent9247a7a616809e45bd26774d5aed7d24c618e6f2 (diff)
moved files into otk
Diffstat (limited to 'src/color.cc')
-rw-r--r--src/color.cc223
1 files changed, 0 insertions, 223 deletions
diff --git a/src/color.cc b/src/color.cc
deleted file mode 100644
index ad30c7a3..00000000
--- a/src/color.cc
+++ /dev/null
@@ -1,223 +0,0 @@
-// -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
-
-#ifdef HAVE_CONFIG_H
-# include "../config.h"
-#endif // HAVE_CONFIG_H
-
-extern "C" {
-#include <stdio.h>
-}
-
-#include <assert.h>
-
-#include "color.hh"
-#include "basedisplay.hh"
-
-
-BColor::ColorCache BColor::colorcache;
-bool BColor::cleancache = false;
-
-BColor::BColor(const BaseDisplay * const _display, unsigned int _screen)
- : allocated(false), r(-1), g(-1), b(-1), p(0), dpy(_display), scrn(_screen)
-{}
-
-BColor::BColor(int _r, int _g, int _b,
- const BaseDisplay * const _display, unsigned int _screen)
- : allocated(false), r(_r), g(_g), b(_b), p(0), dpy(_display), scrn(_screen)
-{}
-
-
-BColor::BColor(const std::string &_name,
- const BaseDisplay * const _display, unsigned int _screen)
- : allocated(false), r(-1), g(-1), b(-1), p(0), dpy(_display), scrn(_screen),
- colorname(_name) {
- parseColorName();
-}
-
-
-BColor::~BColor(void) {
- deallocate();
-}
-
-
-void BColor::setDisplay(const BaseDisplay * const _display,
- unsigned int _screen) {
- if (_display == display() && _screen == screen()) {
- // nothing to do
- return;
- }
-
- deallocate();
-
- dpy = _display;
- scrn = _screen;
-
- if (! colorname.empty()) {
- parseColorName();
- }
-}
-
-
-unsigned long BColor::pixel(void) const {
- if (! allocated) {
- // mutable
- BColor *that = (BColor *) this;
- that->allocate();
- }
-
- return p;
-}
-
-
-void BColor::parseColorName(void) {
- assert(dpy != 0);
-
- if (colorname.empty()) {
- fprintf(stderr, "BColor: empty colorname, cannot parse (using black)\n");
- setRGB(0, 0, 0);
- }
-
- if (scrn == ~(0u))
- scrn = DefaultScreen(display()->getXDisplay());
- Colormap colormap = display()->getScreenInfo(scrn)->getColormap();
-
- // get rgb values from colorname
- XColor xcol;
- xcol.red = 0;
- xcol.green = 0;
- xcol.blue = 0;
- xcol.pixel = 0;
-
- if (! XParseColor(display()->getXDisplay(), colormap,
- colorname.c_str(), &xcol)) {
- fprintf(stderr, "BColor::allocate: color parse error: \"%s\"\n",
- colorname.c_str());
- setRGB(0, 0, 0);
- return;
- }
-
- setRGB(xcol.red >> 8, xcol.green >> 8, xcol.blue >> 8);
-}
-
-
-void BColor::allocate(void) {
- assert(dpy != 0);
-
- if (scrn == ~(0u)) scrn = DefaultScreen(display()->getXDisplay());
- Colormap colormap = display()->getScreenInfo(scrn)->getColormap();
-
- if (! isValid()) {
- if (colorname.empty()) {
- fprintf(stderr, "BColor: cannot allocate invalid color (using black)\n");
- setRGB(0, 0, 0);
- } else {
- parseColorName();
- }
- }
-
- // see if we have allocated this color before
- RGB rgb(display(), scrn, r, g, b);
- ColorCache::iterator it = colorcache.find(rgb);
- if (it != colorcache.end()) {
- // found
- allocated = true;
- p = (*it).second.p;
- (*it).second.count++;
- return;
- }
-
- // allocate color from rgb values
- XColor xcol;
- xcol.red = r | r << 8;
- xcol.green = g | g << 8;
- xcol.blue = b | b << 8;
- xcol.pixel = 0;
-
- if (! XAllocColor(display()->getXDisplay(), colormap, &xcol)) {
- fprintf(stderr, "BColor::allocate: color alloc error: rgb:%x/%x/%x\n",
- r, g, b);
- xcol.pixel = 0;
- }
-
- p = xcol.pixel;
- allocated = true;
-
- colorcache.insert(ColorCacheItem(rgb, PixelRef(p)));
-
- if (cleancache)
- doCacheCleanup();
-}
-
-
-void BColor::deallocate(void) {
- if (! allocated)
- return;
-
- assert(dpy != 0);
-
- ColorCache::iterator it = colorcache.find(RGB(display(), scrn, r, g, b));
- if (it != colorcache.end()) {
- if ((*it).second.count >= 1)
- (*it).second.count--;
- }
-
- if (cleancache)
- doCacheCleanup();
-
- allocated = false;
-}
-
-
-BColor &BColor::operator=(const BColor &c) {
- deallocate();
-
- setRGB(c.r, c.g, c.b);
- colorname = c.colorname;
- dpy = c.dpy;
- scrn = c.scrn;
- return *this;
-}
-
-
-void BColor::cleanupColorCache(void) {
- cleancache = true;
-}
-
-
-void BColor::doCacheCleanup(void) {
- // ### TODO - support multiple displays!
- ColorCache::iterator it = colorcache.begin();
- if (it == colorcache.end()) {
- // nothing to do
- return;
- }
-
- const BaseDisplay* const display = (*it).first.display;
- unsigned long *pixels = new unsigned long[ colorcache.size() ];
- unsigned int i, count;
-
- for (i = 0; i < display->getNumberOfScreens(); i++) {
- count = 0;
- it = colorcache.begin();
-
- while (it != colorcache.end()) {
- if ((*it).second.count != 0 || (*it).first.screen != i) {
- ++it;
- continue;
- }
-
- pixels[ count++ ] = (*it).second.p;
- ColorCache::iterator it2 = it;
- ++it;
- colorcache.erase(it2);
- }
-
- if (count > 0)
- XFreeColors(display->getXDisplay(),
- display->getScreenInfo(i)->getColormap(),
- pixels, count, 0);
- }
-
- delete [] pixels;
- cleancache = false;
-}