8b9e502480
Change-Id: I1992d1ffbbc80efe9749ebd254971a0a92a10019 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/124386 Tested-by: Jenkins Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
289 lines
10 KiB
C++
289 lines
10 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 "PresenterCanvasHelper.hxx"
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#include "PresenterGeometryHelper.hxx"
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#include <com/sun/star/rendering/CompositeOperation.hpp>
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#include <osl/diagnose.h>
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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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PresenterCanvasHelper::PresenterCanvasHelper()
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: maDefaultViewState(
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geometry::AffineMatrix2D(1,0,0, 0,1,0),
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nullptr),
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maDefaultRenderState(
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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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{
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}
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PresenterCanvasHelper::~PresenterCanvasHelper()
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{
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}
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void PresenterCanvasHelper::Paint (
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const SharedBitmapDescriptor& rpBitmap,
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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& rOuterBoundingBox,
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const css::awt::Rectangle& rContentBoundingBox) const
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{
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PaintRectangle(rpBitmap,rxCanvas,rRepaintBox,rOuterBoundingBox,rContentBoundingBox,
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maDefaultViewState, maDefaultRenderState);
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}
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void PresenterCanvasHelper::PaintRectangle (
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const SharedBitmapDescriptor& rpBitmap,
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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& rOuterBoundingBox,
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const css::awt::Rectangle& rContentBoundingBox,
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const css::rendering::ViewState& rDefaultViewState,
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const css::rendering::RenderState& rDefaultRenderState)
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{
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if (!rpBitmap)
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return;
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if ( ! rxCanvas.is() || ! rxCanvas->getDevice().is())
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return;
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// Create a clip polypolygon that has the content box as hole.
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::std::vector<awt::Rectangle> aRectangles;
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aRectangles.reserve(2);
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aRectangles.push_back(
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PresenterGeometryHelper::Intersection(rRepaintBox, rOuterBoundingBox));
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if (rContentBoundingBox.Width > 0 && rContentBoundingBox.Height > 0)
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aRectangles.push_back(
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PresenterGeometryHelper::Intersection(rRepaintBox, rContentBoundingBox));
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Reference<rendering::XPolyPolygon2D> xPolyPolygon (
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PresenterGeometryHelper::CreatePolygon(
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aRectangles,
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rxCanvas->getDevice()));
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if ( ! xPolyPolygon.is())
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return;
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xPolyPolygon->setFillRule(rendering::FillRule_EVEN_ODD);
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if (rpBitmap->GetNormalBitmap().is())
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{
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if (rpBitmap->meHorizontalTexturingMode == PresenterBitmapDescriptor::Repeat
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|| rpBitmap->meVerticalTexturingMode == PresenterBitmapDescriptor::Repeat)
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{
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PaintTiledBitmap(
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rpBitmap->GetNormalBitmap(),
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rxCanvas,
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rRepaintBox,
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xPolyPolygon,
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rContentBoundingBox,
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rDefaultViewState,
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rDefaultRenderState);
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}
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else
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{
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PaintBitmap(
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rpBitmap->GetNormalBitmap(),
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awt::Point(rOuterBoundingBox.X, rOuterBoundingBox.Y),
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rxCanvas,
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rRepaintBox,
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xPolyPolygon,
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rDefaultViewState,
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rDefaultRenderState);
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}
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}
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else
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{
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PaintColor(
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rpBitmap->maReplacementColor,
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rxCanvas,
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rRepaintBox,
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xPolyPolygon,
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rDefaultViewState,
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rDefaultRenderState);
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}
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}
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void PresenterCanvasHelper::PaintTiledBitmap (
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const css::uno::Reference<css::rendering::XBitmap>& rxTexture,
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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::uno::Reference<css::rendering::XPolyPolygon2D>& rxPolygon,
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const css::awt::Rectangle& rHole,
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const css::rendering::ViewState& rDefaultViewState,
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const css::rendering::RenderState& rDefaultRenderState)
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{
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if ( ! rxCanvas.is() || ! rxCanvas->getDevice().is())
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return;
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if ( ! rxTexture.is())
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return;
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if ( ! rxPolygon.is())
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return;
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rendering::ViewState aViewState (rDefaultViewState);
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aViewState.Clip = rxPolygon;
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// Create a local render state at which the location of the bitmap is
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// set.
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rendering::RenderState aRenderState (rDefaultRenderState);
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// Tile the bitmap over the repaint box.
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const geometry::IntegerSize2D aBitmapSize (rxTexture->getSize());
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if( aBitmapSize.Width < 1 || aBitmapSize.Height < 1)
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return;
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const sal_Int32 nLeft = (rRepaintBox.X / aBitmapSize.Width) * aBitmapSize.Width;
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const sal_Int32 nTop = (rRepaintBox.Y / aBitmapSize.Height) * aBitmapSize.Height;
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const sal_Int32 nRight = ((rRepaintBox.X + rRepaintBox.Width - 1 + aBitmapSize.Width - 1)
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/ aBitmapSize.Width) * aBitmapSize.Width;
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const sal_Int32 nBottom = ((rRepaintBox.Y + rRepaintBox.Height - 1 + aBitmapSize.Height - 1)
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/ aBitmapSize.Height) * aBitmapSize.Height;
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for (sal_Int32 nY=nTop; nY<=nBottom; nY+=aBitmapSize.Height)
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for (sal_Int32 nX=nLeft; nX<=nRight; nX+=aBitmapSize.Width)
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{
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if (PresenterGeometryHelper::IsInside(
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awt::Rectangle(nX,nY,aBitmapSize.Width,aBitmapSize.Height),
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rHole))
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{
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continue;
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}
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aRenderState.AffineTransform.m02 = nX;
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aRenderState.AffineTransform.m12 = nY;
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rxCanvas->drawBitmap(
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rxTexture,
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aViewState,
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aRenderState);
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}
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}
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void PresenterCanvasHelper::PaintBitmap (
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const css::uno::Reference<css::rendering::XBitmap>& rxBitmap,
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const awt::Point& rLocation,
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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::uno::Reference<css::rendering::XPolyPolygon2D>& rxPolygon,
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const css::rendering::ViewState& rDefaultViewState,
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const css::rendering::RenderState& rDefaultRenderState)
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{
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if ( ! rxCanvas.is() || ! rxCanvas->getDevice().is())
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return;
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if ( ! rxBitmap.is())
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return;
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if ( ! rxPolygon.is())
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return;
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// Set the repaint box as clip rectangle at the view state.
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rendering::ViewState aViewState (rDefaultViewState);
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aViewState.Clip = PresenterGeometryHelper::CreatePolygon(rRepaintBox, rxCanvas->getDevice());
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// Setup the rendering state so that the bitmap is painted top left in
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// the polygon bounding box.
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rendering::RenderState aRenderState (rDefaultRenderState);
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aRenderState.AffineTransform = geometry::AffineMatrix2D(1,0, rLocation.X, 0,1,rLocation.Y);
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aRenderState.Clip = rxPolygon;
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rxCanvas->drawBitmap(
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rxBitmap,
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aViewState,
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aRenderState);
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}
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void PresenterCanvasHelper::PaintColor (
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const css::util::Color nColor,
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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::uno::Reference<css::rendering::XPolyPolygon2D>& rxPolygon,
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const css::rendering::ViewState& rDefaultViewState,
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const css::rendering::RenderState& rDefaultRenderState)
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{
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if ( ! rxCanvas.is() || ! rxCanvas->getDevice().is())
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return;
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if ( ! rxPolygon.is())
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return;
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// Set the repaint box as clip rectangle at the view state.
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rendering::ViewState aViewState (rDefaultViewState);
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aViewState.Clip = PresenterGeometryHelper::CreatePolygon(rRepaintBox, rxCanvas->getDevice());
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// Setup the rendering state to use the given color.
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rendering::RenderState aRenderState (rDefaultRenderState);
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SetDeviceColor(aRenderState, nColor);
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rxCanvas->fillPolyPolygon(
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rxPolygon,
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aViewState,
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aRenderState);
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}
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void PresenterCanvasHelper::SetDeviceColor(
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rendering::RenderState& rRenderState,
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const util::Color aColor)
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{
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// Other component counts then 4 (RGBA) are not accepted (anymore).
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OSL_ASSERT(rRenderState.DeviceColor.getLength() == 4);
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if (rRenderState.DeviceColor.getLength() == 4)
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{
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auto pDeviceColor = rRenderState.DeviceColor.getArray();
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pDeviceColor[0] = ((aColor >> 16) & 0x0ff) / 255.0;
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pDeviceColor[1] = ((aColor >> 8) & 0x0ff) / 255.0;
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pDeviceColor[2] = ((aColor >> 0) & 0x0ff) / 255.0;
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pDeviceColor[3] = 1.0 - ((aColor >> 24) & 0x0ff) / 255.0;
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}
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}
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css::geometry::RealRectangle2D PresenterCanvasHelper::GetTextBoundingBox (
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const css::uno::Reference<css::rendering::XCanvasFont>& rxFont,
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const OUString& rsText,
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const sal_Int8 nTextDirection)
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{
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if (rxFont.is() && !rsText.isEmpty())
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{
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rendering::StringContext aContext (rsText, 0, rsText.getLength());
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Reference<rendering::XTextLayout> xLayout (
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rxFont->createTextLayout(aContext, nTextDirection, 0));
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return xLayout->queryTextBounds();
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}
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else
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{
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return geometry::RealRectangle2D(0,0,0,0);
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}
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}
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css::geometry::RealSize2D PresenterCanvasHelper::GetTextSize (
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const css::uno::Reference<css::rendering::XCanvasFont>& rxFont,
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const OUString& rsText)
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{
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const geometry::RealRectangle2D aTextBBox (GetTextBoundingBox(rxFont, rsText));
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return css::geometry::RealSize2D(aTextBBox.X2 - aTextBBox.X1, aTextBBox.Y2 - aTextBBox.Y1);
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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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