1 files changed, 105 insertions, 0 deletions

diff --git a/util/fbcompose/XRenderWindow.cc b/util/fbcompose/XRenderWindow.cc
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+/** XRenderWindow.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 "XRenderWindow.hh"
+
+#include "Atoms.hh"
+#include "Logging.hh"
+#include "XRenderScreen.hh"
+
+using namespace FbCompositor;
+
+
+//--- CONSTRUCTORS AND DESTRUCTORS ---------------------------------------------
+
+// Constructor.
+XRenderWindow::XRenderWindow(const XRenderScreen &screen, Window window_xid, const char *pict_filter) :
+    BaseCompWindow(static_cast<const BaseScreen&>(screen), window_xid, false),
+    m_pict_filter(pict_filter) {
+
+    XRenderPictFormat *content_pict_format = XRenderFindVisualFormat(display(), visual());
+    m_content_picture = new XRenderPicture(screen, content_pict_format, m_pict_filter);
+
+    XRenderPictFormat *mask_pict_format = XRenderFindStandardFormat(display(), PictStandardARGB32);
+    m_mask_picture = new XRenderPicture(screen, mask_pict_format, m_pict_filter);
+}
+
+// Destructor.
+XRenderWindow::~XRenderWindow() { }
+
+
+//--- WINDOW MANIPULATION ------------------------------------------------------
+
+// Update the window's contents.
+void XRenderWindow::updateContents() {
+    updateContentPixmap();
+    if (contentPixmap()) {
+        XRenderPictureAttributes pa;
+        pa.subwindow_mode = IncludeInferiors;
+        long pa_mask = CPSubwindowMode;
+
+        m_content_picture->setPictFormat(XRenderFindVisualFormat(display(), visual()));
+        m_content_picture->setPixmap(contentPixmap(), false, pa, pa_mask);
+    }
+
+    if (clipShapeChanged()) {
+        updateShape();
+    }
+
+    clearDamage();
+}
+
+// Update window's property.
+void XRenderWindow::updateProperty(Atom property, int state) {
+    BaseCompWindow::updateProperty(property, state);
+
+    if (property == Atoms::opacityAtom()) {
+        updateMaskPicture();
+    }
+}
+
+
+//--- PROTECTED WINDOW MANIPULATION --------------------------------------------
+
+// Update the window's clip shape.
+void XRenderWindow::updateShape() {
+    BaseCompWindow::updateShape();
+    updateMaskPicture();
+}
+
+
+//--- INTERNAL FUNCTIONS -------------------------------------------------------
+
+// Update the window's mask picture.
+void XRenderWindow::updateMaskPicture() {
+    if ((m_mask_picture->pictureHandle() == None) || isResized()) {
+        Pixmap mask_pixmap = XCreatePixmap(display(), window(), realWidth(), realHeight(), 32);
+        m_mask_picture->setPixmap(mask_pixmap, true);
+    }
+
+    XRenderColor color = { 0, 0, 0, 0 };
+    XRenderFillRectangle(display(), PictOpSrc, m_mask_picture->pictureHandle(), &color, 0, 0, realWidth(), realHeight());
+
+    color.alpha = (unsigned long)((alpha() * 0xffff) / 255.0);
+    XRenderFillRectangles(display(), PictOpSrc, m_mask_picture->pictureHandle(), &color, clipShapeRects(), clipShapeRectCount());
+}