initial import

1 files changed, 166 insertions, 0 deletions

diff --git a/src/FbTk/Color.cc b/src/FbTk/Color.cc
new file mode 100644
index 0000000..2e69f1c
--- /dev/null
+++ b/src/FbTk/Color.cc
@@ -0,0 +1,166 @@
+// Color.cc for Fluxbox window manager
+// Copyright (c) 2002 Henrik Kinnunen (fluxgen@users.sourceforge.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: Color.cc,v 1.1 2002/11/26 16:01:27 fluxgen Exp $
+
+#include "Color.hh"
+
+#include "App.hh"
+
+#include <iostream>
+using namespace std;
+
+namespace {
+unsigned char maxValue(unsigned short colval) {
+        if (colval == 65535) 
+                return 0xFF;
+
+        return static_cast<unsigned char>(colval/0xFF);
+}
+
+};
+
+namespace FbTk {
+Color::Color():
+m_allocated(false),
+m_screen(0) {
+
+}
+
+Color::Color(const Color &col_copy) {
+        copy(col_copy);
+}
+
+Color::Color(unsigned char red, unsigned char green, unsigned char blue, int screen):
+m_red(red),     m_green(green), m_blue(blue), 
+m_pixel(0), m_allocated(false),
+m_screen(screen) { 
+        allocate(red, green, blue, screen);
+}
+
+Color::Color(const char *color_string, int screen):
+m_allocated(false),
+m_screen(screen) {
+        setFromString(color_string, screen);
+}
+
+Color::~Color() {
+        free();
+}
+
+bool Color::setFromString(const char *color_string, int screen) {
+
+        if (color_string == 0) {
+                free();
+                return false;
+        }
+
+        Display *disp = App::instance()->display();
+        Colormap colm = DefaultColormap(disp, screen);
+
+        XColor color;
+
+        if (! XParseColor(disp, colm, color_string, &color))
+                cerr<<"FbTk::Color: Parse color error: \""<<color_string<<"\""<<endl;
+        else if (! XAllocColor(disp, colm, &color))
+                cerr<<"FbTk::Color: Allocation error: \""<<color_string<<"\""<<endl;
+
+
+
+        setPixel(color.pixel);
+        setRGB(maxValue(color.red), 
+                maxValue(color.green),
+                maxValue(color.blue));
+        setAllocated(true);
+        m_screen = screen;
+
+        return true;
+}
+
+/*
+Color &Color::Color::operator  = (const Color &col_copy) {
+        // check for aliasing
+        if (this == &col_copy)
+                return *this;
+
+        copy(col_copy);
+        return *this;
+}
+*/
+
+void Color::free() {
+        if (isAllocated()) {
+                unsigned long pixel = m_pixel;
+                Display *disp = App::instance()->display();
+                XFreeColors(disp, DefaultColormap(disp, m_screen), &pixel, 1, 0);
+                setPixel(0);
+                setRGB(0, 0, 0);
+                setAllocated(false);
+        }       
+}
+
+void Color::copy(const Color &col_copy) {
+        if (!col_copy.isAllocated()) {
+                free();
+                setRGB(col_copy.red(), col_copy.green(), col_copy.blue());
+                setPixel(col_copy.pixel());
+                return;
+        }
+
+        free();
+                
+        allocate(col_copy.red(), 
+                col_copy.green(),
+                col_copy.blue(),
+                col_copy.m_screen);
+        
+}
+
+void Color::allocate(unsigned char red, unsigned char green, unsigned char blue, int screen) {
+
+        Display *disp = App::instance()->display();
+        XColor color;
+        // fill xcolor structure
+        color.red = red;
+        color.green = green;    
+        color.blue = blue;
+        
+        
+        if (!XAllocColor(disp, DefaultColormap(disp, screen), &color)) {
+                cerr<<"FbTk::Color: Allocation error."<<endl;
+        } else {
+                setRGB(maxValue(color.red),
+                        maxValue(color.green),
+                        maxValue(color.blue));
+                setPixel(color.pixel);
+                setAllocated(true);
+        }
+        
+        m_screen = screen;
+}
+
+void Color::setRGB(unsigned char red, unsigned char green, unsigned char blue) {
+        m_red = red;
+        m_green = green;
+        m_blue = blue;
+}
+
+};