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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <algorithm>
+
+#include "PresenterUIPainter.hxx"
+
+#include "PresenterGeometryHelper.hxx"
+#include <com/sun/star/rendering/CompositeOperation.hpp>
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+
+namespace sdext::presenter {
+
+void PresenterUIPainter::PaintHorizontalBitmapComposite (
+ const css::uno::Reference<css::rendering::XCanvas>& rxCanvas,
+ const css::awt::Rectangle& rRepaintBox,
+ const css::awt::Rectangle& rBoundingBox,
+ const css::uno::Reference<css::rendering::XBitmap>& rxLeftBitmap,
+ const css::uno::Reference<css::rendering::XBitmap>& rxRepeatableCenterBitmap,
+ const css::uno::Reference<css::rendering::XBitmap>& rxRightBitmap)
+{
+ if (PresenterGeometryHelper::AreRectanglesDisjoint(rRepaintBox, rBoundingBox))
+ {
+ // The bounding box lies completely outside the repaint area.
+ // Nothing has to be repainted.
+ return;
+ }
+
+ // Get bitmap sizes.
+ geometry::IntegerSize2D aLeftBitmapSize;
+ if (rxLeftBitmap.is())
+ aLeftBitmapSize = rxLeftBitmap->getSize();
+ geometry::IntegerSize2D aCenterBitmapSize;
+ if (rxRepeatableCenterBitmap.is())
+ aCenterBitmapSize = rxRepeatableCenterBitmap->getSize();
+ geometry::IntegerSize2D aRightBitmapSize;
+ if (rxRightBitmap.is())
+ aRightBitmapSize = rxRightBitmap->getSize();
+
+ // Prepare painting.
+ rendering::ViewState aViewState (
+ geometry::AffineMatrix2D(1,0,0, 0,1,0),
+ nullptr);
+
+ rendering::RenderState aRenderState (
+ geometry::AffineMatrix2D(1,0,0, 0,1,0),
+ nullptr,
+ Sequence<double>(4),
+ rendering::CompositeOperation::SOURCE);
+
+ // Paint the left bitmap once.
+ if (rxLeftBitmap.is())
+ {
+ const awt::Rectangle aLeftBoundingBox (
+ rBoundingBox.X,
+ rBoundingBox.Y,
+ ::std::min(aLeftBitmapSize.Width, rBoundingBox.Width),
+ rBoundingBox.Height);
+ aViewState.Clip.set(
+ PresenterGeometryHelper::CreatePolygon(
+ PresenterGeometryHelper::Intersection(rRepaintBox, aLeftBoundingBox),
+ rxCanvas->getDevice()));
+ aRenderState.AffineTransform.m02 = aLeftBoundingBox.X;
+ aRenderState.AffineTransform.m12
+ = aLeftBoundingBox.Y + (aLeftBoundingBox.Height - aLeftBitmapSize.Height) / 2;
+ rxCanvas->drawBitmap(rxLeftBitmap, aViewState, aRenderState);
+ }
+
+ // Paint the right bitmap once.
+ if (rxRightBitmap.is())
+ {
+ const awt::Rectangle aRightBoundingBox (
+ rBoundingBox.X + rBoundingBox.Width - aRightBitmapSize.Width,
+ rBoundingBox.Y,
+ ::std::min(aRightBitmapSize.Width, rBoundingBox.Width),
+ rBoundingBox.Height);
+ aViewState.Clip.set(
+ PresenterGeometryHelper::CreatePolygon(
+ PresenterGeometryHelper::Intersection(rRepaintBox, aRightBoundingBox),
+ rxCanvas->getDevice()));
+ aRenderState.AffineTransform.m02
+ = aRightBoundingBox.X + aRightBoundingBox.Width - aRightBitmapSize.Width;
+ aRenderState.AffineTransform.m12
+ = aRightBoundingBox.Y + (aRightBoundingBox.Height - aRightBitmapSize.Height) / 2;
+ rxCanvas->drawBitmap(rxRightBitmap, aViewState, aRenderState);
+ }
+
+ // Paint the center bitmap to fill the remaining space.
+ if (!rxRepeatableCenterBitmap.is())
+ return;
+
+ const awt::Rectangle aCenterBoundingBox (
+ rBoundingBox.X + aLeftBitmapSize.Width,
+ rBoundingBox.Y,
+ rBoundingBox.Width - aLeftBitmapSize.Width - aRightBitmapSize.Width,
+ rBoundingBox.Height);
+ if (aCenterBoundingBox.Width <= 0)
+ return;
+
+ aViewState.Clip.set(
+ PresenterGeometryHelper::CreatePolygon(
+ PresenterGeometryHelper::Intersection(rRepaintBox, aCenterBoundingBox),
+ rxCanvas->getDevice()));
+ sal_Int32 nX (aCenterBoundingBox.X);
+ const sal_Int32 nRight (aCenterBoundingBox.X + aCenterBoundingBox.Width - 1);
+ aRenderState.AffineTransform.m12
+ = aCenterBoundingBox.Y + (aCenterBoundingBox.Height-aCenterBitmapSize.Height) / 2;
+ while(nX <= nRight)
+ {
+ aRenderState.AffineTransform.m02 = nX;
+ rxCanvas->drawBitmap(rxRepeatableCenterBitmap, aViewState, aRenderState);
+ nX += aCenterBitmapSize.Width;
+ }
+}
+
+void PresenterUIPainter::PaintVerticalBitmapComposite (
+ const css::uno::Reference<css::rendering::XCanvas>& rxCanvas,
+ const css::awt::Rectangle& rRepaintBox,
+ const css::awt::Rectangle& rBoundingBox,
+ const css::uno::Reference<css::rendering::XBitmap>& rxTopBitmap,
+ const css::uno::Reference<css::rendering::XBitmap>& rxRepeatableCenterBitmap,
+ const css::uno::Reference<css::rendering::XBitmap>& rxBottomBitmap)
+{
+ if (PresenterGeometryHelper::AreRectanglesDisjoint(rRepaintBox, rBoundingBox))
+ {
+ // The bounding box lies completely outside the repaint area.
+ // Nothing has to be repainted.
+ return;
+ }
+
+ // Get bitmap sizes.
+ geometry::IntegerSize2D aTopBitmapSize;
+ if (rxTopBitmap.is())
+ aTopBitmapSize = rxTopBitmap->getSize();
+ geometry::IntegerSize2D aCenterBitmapSize;
+ if (rxRepeatableCenterBitmap.is())
+ aCenterBitmapSize = rxRepeatableCenterBitmap->getSize();
+ geometry::IntegerSize2D aBottomBitmapSize;
+ if (rxBottomBitmap.is())
+ aBottomBitmapSize = rxBottomBitmap->getSize();
+
+ // Prepare painting.
+ rendering::ViewState aViewState (
+ geometry::AffineMatrix2D(1,0,0, 0,1,0),
+ nullptr);
+
+ rendering::RenderState aRenderState (
+ geometry::AffineMatrix2D(1,0,0, 0,1,0),
+ nullptr,
+ Sequence<double>(4),
+ rendering::CompositeOperation::SOURCE);
+
+ // Paint the top bitmap once.
+ if (rxTopBitmap.is())
+ {
+ const awt::Rectangle aTopBoundingBox (
+ rBoundingBox.X,
+ rBoundingBox.Y,
+ rBoundingBox.Width,
+ ::std::min(aTopBitmapSize.Height, rBoundingBox.Height));
+ aViewState.Clip.set(
+ PresenterGeometryHelper::CreatePolygon(
+ PresenterGeometryHelper::Intersection(rRepaintBox, aTopBoundingBox),
+ rxCanvas->getDevice()));
+ aRenderState.AffineTransform.m02
+ = aTopBoundingBox.X + (aTopBoundingBox.Width - aTopBitmapSize.Width) / 2;
+ aRenderState.AffineTransform.m12 = aTopBoundingBox.Y;
+ rxCanvas->drawBitmap(rxTopBitmap, aViewState, aRenderState);
+ }
+
+ // Paint the bottom bitmap once.
+ if (rxBottomBitmap.is())
+ {
+ const sal_Int32 nBBoxHeight (::std::min(aBottomBitmapSize.Height, rBoundingBox.Height));
+ const awt::Rectangle aBottomBoundingBox (
+ rBoundingBox.X,
+ rBoundingBox.Y + rBoundingBox.Height - nBBoxHeight,
+ rBoundingBox.Width,
+ nBBoxHeight);
+ aViewState.Clip.set(
+ PresenterGeometryHelper::CreatePolygon(
+ PresenterGeometryHelper::Intersection(rRepaintBox, aBottomBoundingBox),
+ rxCanvas->getDevice()));
+ aRenderState.AffineTransform.m02
+ = aBottomBoundingBox.X + (aBottomBoundingBox.Width - aBottomBitmapSize.Width) / 2;
+ aRenderState.AffineTransform.m12
+ = aBottomBoundingBox.Y + aBottomBoundingBox.Height - aBottomBitmapSize.Height;
+ rxCanvas->drawBitmap(rxBottomBitmap, aViewState, aRenderState);
+ }
+
+ // Paint the center bitmap to fill the remaining space.
+ if (!rxRepeatableCenterBitmap.is())
+ return;
+
+ const awt::Rectangle aCenterBoundingBox (
+ rBoundingBox.X,
+ rBoundingBox.Y + aTopBitmapSize.Height,
+ rBoundingBox.Width,
+ rBoundingBox.Height - aTopBitmapSize.Height - aBottomBitmapSize.Height);
+ if (aCenterBoundingBox.Height <= 0)
+ return;
+
+ aViewState.Clip.set(
+ PresenterGeometryHelper::CreatePolygon(
+ PresenterGeometryHelper::Intersection(rRepaintBox, aCenterBoundingBox),
+ rxCanvas->getDevice()));
+ sal_Int32 nY (aCenterBoundingBox.Y);
+ const sal_Int32 nBottom (aCenterBoundingBox.Y + aCenterBoundingBox.Height - 1);
+ aRenderState.AffineTransform.m02
+ = aCenterBoundingBox.X + (aCenterBoundingBox.Width-aCenterBitmapSize.Width) / 2;
+ while(nY <= nBottom)
+ {
+ aRenderState.AffineTransform.m12 = nY;
+ rxCanvas->drawBitmap(rxRepeatableCenterBitmap, aViewState, aRenderState);
+ nY += aCenterBitmapSize.Height;
+ }
+}
+
+} // end of namespace sdext::presenter
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-11 12:25:36 +0000