fluxbox/src/FbTk/FbPixmap.cc

// FbPixmap.cc for FbTk - Fluxbox ToolKit
// Copyright (c) 2003 Henrik Kinnunen (fluxgen at 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: FbPixmap.cc,v 1.2 2003/04/27 00:12:17 fluxgen Exp $

#include "FbPixmap.hh"
#include "App.hh"

namespace FbTk {

FbPixmap::FbPixmap():m_pm(0), 
                     m_width(0), m_height(0), 
                     m_depth(0) { }

FbPixmap::FbPixmap(const FbPixmap &the_copy):m_pm(0), 
                                             m_width(0), m_height(0), 
                                             m_depth(0) {
    copy(the_copy);
}

FbPixmap::FbPixmap(Pixmap pm):m_pm(0), 
                              m_width(0), m_height(0),
                              m_depth(0) {
    if (pm == 0)
        return;
    // assign X pixmap to this
    (*this) = pm;
}

FbPixmap::FbPixmap(Drawable src, 
                   unsigned int width, unsigned int height,
                   int depth):m_pm(0), 
                              m_width(0), m_height(0), 
                              m_depth(0) {

    create(src, width, height, depth);
}

FbPixmap::~FbPixmap() {
    free();
}

void FbPixmap::copyArea(Drawable src, GC gc,
                        int src_x, int src_y,
                        int dest_x, int dest_y,
                        unsigned int width, unsigned int height) {
    if (m_pm == 0 || src == 0 || gc == 0)
        return;
    XCopyArea(FbTk::App::instance()->display(),
              src, m_pm, gc,
              src_x, src_y,
              dest_x, dest_y,
              width, height);
}

void FbPixmap::fillRectangle(GC gc, int x, int y,
                             unsigned int width, unsigned int height) {
    if (m_pm == 0 || gc == 0)
        return;
    XFillRectangle(FbTk::App::instance()->display(),
                   m_pm, gc,
                   x, y,
                   width, height);
}

void FbPixmap::drawRectangle(GC gc, int x, int y, 
                             unsigned int width, unsigned int height) {
    if (m_pm == 0 || gc == 0)
        return;
    XDrawRectangle(FbTk::App::instance()->display(),
                   m_pm, gc,
                   x, y,
                   width, height);
}

void FbPixmap::fillPolygon(GC gc, XPoint *points, int npoints,
                           int shape, int mode) {
    if (m_pm == 0 || gc == 0 || points == 0 || npoints == 0)
        return;
    XFillPolygon(FbTk::App::instance()->display(),
                 m_pm, gc, points, npoints,
                 shape, mode);
}

FbPixmap &FbPixmap::operator = (const FbPixmap &the_copy) {
    copy(the_copy);
    return *this;
}

FbPixmap &FbPixmap::operator = (Pixmap pm) {
    // free pixmap before we set new
    free();

    if (pm == 0)
        return *this;

    // get width, height and depth for the pixmap
    Window root;
    int x, y;
    unsigned int border_width, bpp;    
    XGetGeometry(FbTk::App::instance()->display(),
                 pm,
                 &root,
                 &x, &y,
                 &m_width, &m_height,
                 &border_width,
                 &bpp);

    m_depth = bpp;

    m_pm = pm;

    return *this;
}

void FbPixmap::copy(const FbPixmap &the_copy) {

    bool create_new = false;

    if (the_copy.width() != width() ||
        the_copy.height() != height() ||
        the_copy.depth() != depth() ||
        drawable() == 0)
        create_new = true;
    
    if (create_new)    
        free();

    if (the_copy.drawable() != 0) {
        if (create_new) {
            create(the_copy.drawable(), 
                   the_copy.width(), the_copy.height(),
                   the_copy.depth());
        }
        
        if (drawable()) {
            Display *dpy = FbTk::App::instance()->display();
            GC temp_gc = XCreateGC(dpy,
                                   drawable(),
                                   0, 0);
            
            copyArea(the_copy.drawable(),
                     temp_gc,
                     0, 0,
                     0, 0,
                     width(), height());
            
            XFreeGC(dpy, temp_gc);
                               
        }
         
    }
}

void FbPixmap::free() {
    if (m_pm != 0) {
        XFreePixmap(FbTk::App::instance()->display(), m_pm);
        m_pm = 0;
    }
    m_width = 0;
    m_height = 0;
    m_depth = 0;
}

void FbPixmap::create(Drawable src, 
                      unsigned int width, unsigned int height, 
                      int depth) {
    if (src == 0)
        return;

    m_pm = XCreatePixmap(FbTk::App::instance()->display(),
                         src, width, height, depth);
    if (m_pm == 0)
        return;

    m_width = width;
    m_height = height;
    m_depth = depth;
}

}; // end namespace FbTk