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/** XRenderResources.cc file for the fluxbox compositor. */
// Copyright (c) 2011 Gediminas Liktaras (gliktaras at gmail dot com)
//
// 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.
#include "XRenderResources.hh"
#include "XRenderScreen.hh"
using namespace FbCompositor;
//--- XRENDER PICTURE WRAPPER --------------------------------------------------
//------- CONSTRUCTORS AND DESTRUCTORS -----------------------------------------
// Constructor.
XRenderPicture::XRenderPicture(const XRenderScreen &screen, XRenderPictFormat *pict_format, const char *pict_filter) :
m_drawable(None),
m_gc(None),
m_picture(None),
m_resources_managed(false),
m_pict_filter(pict_filter),
m_pict_format(pict_format),
m_screen(screen) {
m_display = (Display*)(screen.display());
}
// Destructor.
XRenderPicture::~XRenderPicture() {
freeResources();
}
//------- MUTATORS -------------------------------------------------------------
// Associate the picture with the given pixmap.
void XRenderPicture::setPixmap(Pixmap pixmap, bool manage_pixmap, XRenderPictureAttributes pa, long pa_mask) {
if (m_drawable != pixmap) {
freeResources();
m_drawable = pixmap;
m_gc = XCreateGC(m_display, pixmap, 0, NULL);
m_picture = XRenderCreatePicture(m_display, pixmap, m_pict_format, pa_mask, &pa);
XRenderSetPictureFilter(m_display, m_picture, m_pict_filter, NULL, 0);
}
m_resources_managed = manage_pixmap;
}
// Associate the picture with the given window.
void XRenderPicture::setWindow(Window window, XRenderPictureAttributes pa, long pa_mask) {
if (m_drawable != window) {
freeResources();
m_drawable = window;
m_gc = XCreateGC(m_display, window, 0, NULL);
m_picture = XRenderCreatePicture(m_display, window, m_pict_format, pa_mask, &pa);
XRenderSetPictureFilter(m_display, m_picture, m_pict_filter, NULL, 0);
}
m_resources_managed = false;
}
// Reset the picture's transformation matrix.
void XRenderPicture::resetPictureTransform() {
XTransform transform = { {
{ XDoubleToFixed(1.0), XDoubleToFixed(0.0), XDoubleToFixed(0.0) },
{ XDoubleToFixed(0.0), XDoubleToFixed(1.0), XDoubleToFixed(0.0) },
{ XDoubleToFixed(0.0), XDoubleToFixed(0.0), XDoubleToFixed(1.0) }
} };
setPictureTransform(transform);
}
// Scale the picture by the given inverse quotients.
void XRenderPicture::scalePicture(double x_factor_inv, double y_factor_inv) {
XTransform transform = { {
{ XDoubleToFixed(x_factor_inv), XDoubleToFixed(0.0), XDoubleToFixed(0.0) },
{ XDoubleToFixed(0.0), XDoubleToFixed(y_factor_inv), XDoubleToFixed(0.0) },
{ XDoubleToFixed(0.0), XDoubleToFixed(0.0), XDoubleToFixed(1.0) }
} };
setPictureTransform(transform);
}
// Set the picture's transformation matrix.
void XRenderPicture::setPictureTransform(const XTransform &transform) {
XRenderSetPictureTransform(m_display, m_picture, (XTransform*)(&transform));
}
//--- OTHER FUNCTIONS ----------------------------------------------------------
// Free held resources, if any.
void XRenderPicture::freeResources() {
if (m_picture) {
XRenderFreePicture(m_display, m_picture);
m_picture = None;
}
if (m_gc) {
XFreeGC(m_display, m_gc);
m_gc = None;
}
if (m_resources_managed && m_drawable) {
XFreePixmap(m_display, m_drawable); // Windows will never be managed.
m_drawable = None;
}
}
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