diff options
| author | Marius Nita <marius@cs.pdx.edu> | 2002-11-01 03:30:18 +0000 |
|---|---|---|
| committer | Marius Nita <marius@cs.pdx.edu> | 2002-11-01 03:30:18 +0000 |
| commit | 110a1eeed9b5d0deb127a02364cf6c6fe29a9de8 (patch) | |
| tree | 93f4bbe6f757ec830988e1aa7de80a4447b99962 /src/color.cc | |
| parent | 9247a7a616809e45bd26774d5aed7d24c618e6f2 (diff) | |
moved files into otk
Diffstat (limited to 'src/color.cc')
| -rw-r--r-- | src/color.cc | 223 |
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; -} |
