02c4386a09
It really wants to part of the main sd UI where it can interact nicely with the existing logic, instead of using awkward UNO APIs. Change-Id: I6e0d486275515d48abe3438b88d4f58d4bee58fa Reviewed-on: https://gerrit.libreoffice.org/c/core/+/145913 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
241 lines
9.3 KiB
C++
241 lines
9.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <sal/config.h>
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#include <algorithm>
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#include "PresenterUIPainter.hxx"
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#include "PresenterGeometryHelper.hxx"
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#include <com/sun/star/rendering/CompositeOperation.hpp>
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using namespace ::com::sun::star;
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using namespace ::com::sun::star::uno;
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namespace sdext::presenter {
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void PresenterUIPainter::PaintHorizontalBitmapComposite (
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const css::uno::Reference<css::rendering::XCanvas>& rxCanvas,
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const css::awt::Rectangle& rRepaintBox,
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const css::awt::Rectangle& rBoundingBox,
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const css::uno::Reference<css::rendering::XBitmap>& rxLeftBitmap,
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const css::uno::Reference<css::rendering::XBitmap>& rxRepeatableCenterBitmap,
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const css::uno::Reference<css::rendering::XBitmap>& rxRightBitmap)
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{
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if (PresenterGeometryHelper::AreRectanglesDisjoint(rRepaintBox, rBoundingBox))
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{
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// The bounding box lies completely outside the repaint area.
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// Nothing has to be repainted.
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return;
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}
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// Get bitmap sizes.
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geometry::IntegerSize2D aLeftBitmapSize;
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if (rxLeftBitmap.is())
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aLeftBitmapSize = rxLeftBitmap->getSize();
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geometry::IntegerSize2D aCenterBitmapSize;
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if (rxRepeatableCenterBitmap.is())
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aCenterBitmapSize = rxRepeatableCenterBitmap->getSize();
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geometry::IntegerSize2D aRightBitmapSize;
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if (rxRightBitmap.is())
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aRightBitmapSize = rxRightBitmap->getSize();
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// Prepare painting.
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rendering::ViewState aViewState (
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geometry::AffineMatrix2D(1,0,0, 0,1,0),
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nullptr);
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rendering::RenderState aRenderState (
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geometry::AffineMatrix2D(1,0,0, 0,1,0),
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nullptr,
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Sequence<double>(4),
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rendering::CompositeOperation::SOURCE);
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// Paint the left bitmap once.
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if (rxLeftBitmap.is())
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{
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const awt::Rectangle aLeftBoundingBox (
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rBoundingBox.X,
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rBoundingBox.Y,
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::std::min(aLeftBitmapSize.Width, rBoundingBox.Width),
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rBoundingBox.Height);
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aViewState.Clip.set(
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PresenterGeometryHelper::CreatePolygon(
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PresenterGeometryHelper::Intersection(rRepaintBox, aLeftBoundingBox),
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rxCanvas->getDevice()));
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aRenderState.AffineTransform.m02 = aLeftBoundingBox.X;
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aRenderState.AffineTransform.m12
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= aLeftBoundingBox.Y + (aLeftBoundingBox.Height - aLeftBitmapSize.Height) / 2;
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rxCanvas->drawBitmap(rxLeftBitmap, aViewState, aRenderState);
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}
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// Paint the right bitmap once.
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if (rxRightBitmap.is())
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{
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const awt::Rectangle aRightBoundingBox (
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rBoundingBox.X + rBoundingBox.Width - aRightBitmapSize.Width,
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rBoundingBox.Y,
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::std::min(aRightBitmapSize.Width, rBoundingBox.Width),
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rBoundingBox.Height);
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aViewState.Clip.set(
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PresenterGeometryHelper::CreatePolygon(
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PresenterGeometryHelper::Intersection(rRepaintBox, aRightBoundingBox),
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rxCanvas->getDevice()));
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aRenderState.AffineTransform.m02
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= aRightBoundingBox.X + aRightBoundingBox.Width - aRightBitmapSize.Width;
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aRenderState.AffineTransform.m12
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= aRightBoundingBox.Y + (aRightBoundingBox.Height - aRightBitmapSize.Height) / 2;
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rxCanvas->drawBitmap(rxRightBitmap, aViewState, aRenderState);
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}
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// Paint the center bitmap to fill the remaining space.
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if (!rxRepeatableCenterBitmap.is())
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return;
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const awt::Rectangle aCenterBoundingBox (
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rBoundingBox.X + aLeftBitmapSize.Width,
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rBoundingBox.Y,
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rBoundingBox.Width - aLeftBitmapSize.Width - aRightBitmapSize.Width,
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rBoundingBox.Height);
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if (aCenterBoundingBox.Width <= 0)
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return;
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aViewState.Clip.set(
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PresenterGeometryHelper::CreatePolygon(
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PresenterGeometryHelper::Intersection(rRepaintBox, aCenterBoundingBox),
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rxCanvas->getDevice()));
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sal_Int32 nX (aCenterBoundingBox.X);
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const sal_Int32 nRight (aCenterBoundingBox.X + aCenterBoundingBox.Width - 1);
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aRenderState.AffineTransform.m12
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= aCenterBoundingBox.Y + (aCenterBoundingBox.Height-aCenterBitmapSize.Height) / 2;
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while(nX <= nRight)
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{
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aRenderState.AffineTransform.m02 = nX;
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rxCanvas->drawBitmap(rxRepeatableCenterBitmap, aViewState, aRenderState);
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nX += aCenterBitmapSize.Width;
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}
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}
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void PresenterUIPainter::PaintVerticalBitmapComposite (
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const css::uno::Reference<css::rendering::XCanvas>& rxCanvas,
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const css::awt::Rectangle& rRepaintBox,
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const css::awt::Rectangle& rBoundingBox,
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const css::uno::Reference<css::rendering::XBitmap>& rxTopBitmap,
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const css::uno::Reference<css::rendering::XBitmap>& rxRepeatableCenterBitmap,
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const css::uno::Reference<css::rendering::XBitmap>& rxBottomBitmap)
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{
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if (PresenterGeometryHelper::AreRectanglesDisjoint(rRepaintBox, rBoundingBox))
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{
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// The bounding box lies completely outside the repaint area.
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// Nothing has to be repainted.
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return;
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}
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// Get bitmap sizes.
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geometry::IntegerSize2D aTopBitmapSize;
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if (rxTopBitmap.is())
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aTopBitmapSize = rxTopBitmap->getSize();
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geometry::IntegerSize2D aCenterBitmapSize;
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if (rxRepeatableCenterBitmap.is())
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aCenterBitmapSize = rxRepeatableCenterBitmap->getSize();
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geometry::IntegerSize2D aBottomBitmapSize;
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if (rxBottomBitmap.is())
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aBottomBitmapSize = rxBottomBitmap->getSize();
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// Prepare painting.
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rendering::ViewState aViewState (
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geometry::AffineMatrix2D(1,0,0, 0,1,0),
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nullptr);
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rendering::RenderState aRenderState (
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geometry::AffineMatrix2D(1,0,0, 0,1,0),
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nullptr,
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Sequence<double>(4),
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rendering::CompositeOperation::SOURCE);
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// Paint the top bitmap once.
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if (rxTopBitmap.is())
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{
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const awt::Rectangle aTopBoundingBox (
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rBoundingBox.X,
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rBoundingBox.Y,
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rBoundingBox.Width,
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::std::min(aTopBitmapSize.Height, rBoundingBox.Height));
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aViewState.Clip.set(
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PresenterGeometryHelper::CreatePolygon(
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PresenterGeometryHelper::Intersection(rRepaintBox, aTopBoundingBox),
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rxCanvas->getDevice()));
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aRenderState.AffineTransform.m02
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= aTopBoundingBox.X + (aTopBoundingBox.Width - aTopBitmapSize.Width) / 2;
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aRenderState.AffineTransform.m12 = aTopBoundingBox.Y;
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rxCanvas->drawBitmap(rxTopBitmap, aViewState, aRenderState);
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}
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// Paint the bottom bitmap once.
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if (rxBottomBitmap.is())
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{
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const sal_Int32 nBBoxHeight (::std::min(aBottomBitmapSize.Height, rBoundingBox.Height));
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const awt::Rectangle aBottomBoundingBox (
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rBoundingBox.X,
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rBoundingBox.Y + rBoundingBox.Height - nBBoxHeight,
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rBoundingBox.Width,
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nBBoxHeight);
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aViewState.Clip.set(
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PresenterGeometryHelper::CreatePolygon(
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PresenterGeometryHelper::Intersection(rRepaintBox, aBottomBoundingBox),
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rxCanvas->getDevice()));
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aRenderState.AffineTransform.m02
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= aBottomBoundingBox.X + (aBottomBoundingBox.Width - aBottomBitmapSize.Width) / 2;
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aRenderState.AffineTransform.m12
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= aBottomBoundingBox.Y + aBottomBoundingBox.Height - aBottomBitmapSize.Height;
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rxCanvas->drawBitmap(rxBottomBitmap, aViewState, aRenderState);
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}
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// Paint the center bitmap to fill the remaining space.
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if (!rxRepeatableCenterBitmap.is())
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return;
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const awt::Rectangle aCenterBoundingBox (
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rBoundingBox.X,
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rBoundingBox.Y + aTopBitmapSize.Height,
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rBoundingBox.Width,
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rBoundingBox.Height - aTopBitmapSize.Height - aBottomBitmapSize.Height);
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if (aCenterBoundingBox.Height <= 0)
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return;
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aViewState.Clip.set(
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PresenterGeometryHelper::CreatePolygon(
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PresenterGeometryHelper::Intersection(rRepaintBox, aCenterBoundingBox),
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rxCanvas->getDevice()));
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sal_Int32 nY (aCenterBoundingBox.Y);
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const sal_Int32 nBottom (aCenterBoundingBox.Y + aCenterBoundingBox.Height - 1);
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aRenderState.AffineTransform.m02
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= aCenterBoundingBox.X + (aCenterBoundingBox.Width-aCenterBitmapSize.Width) / 2;
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while(nY <= nBottom)
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{
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aRenderState.AffineTransform.m12 = nY;
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rxCanvas->drawBitmap(rxRepeatableCenterBitmap, aViewState, aRenderState);
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nY += aCenterBitmapSize.Height;
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}
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}
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} // end of namespace sdext::presenter
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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