summaryrefslogtreecommitdiffstats
path: root/cppcanvas/source/mtfrenderer/bitmapaction.cxx
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--cppcanvas/source/mtfrenderer/bitmapaction.cxx219
1 files changed, 219 insertions, 0 deletions
diff --git a/cppcanvas/source/mtfrenderer/bitmapaction.cxx b/cppcanvas/source/mtfrenderer/bitmapaction.cxx
new file mode 100644
index 000000000..8040c9a01
--- /dev/null
+++ b/cppcanvas/source/mtfrenderer/bitmapaction.cxx
@@ -0,0 +1,219 @@
+/* -*- 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 <com/sun/star/rendering/XBitmap.hpp>
+#include <com/sun/star/rendering/XCanvas.hpp>
+#include <com/sun/star/rendering/XCachedPrimitive.hpp>
+#include <vcl/bitmapex.hxx>
+#include <tools/gen.hxx>
+#include <vcl/canvastools.hxx>
+#include <canvas/canvastools.hxx>
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <basegfx/point/b2dpoint.hxx>
+#include <basegfx/range/b2drange.hxx>
+#include <sal/log.hxx>
+#include "cachedprimitivebase.hxx"
+#include "bitmapaction.hxx"
+#include <outdevstate.hxx>
+#include "mtftools.hxx"
+#include <basegfx/matrix/b2dhommatrixtools.hxx>
+
+
+using namespace ::com::sun::star;
+
+namespace cppcanvas::internal
+{
+ namespace
+ {
+
+ class BitmapAction : public CachedPrimitiveBase
+ {
+ public:
+ BitmapAction( const ::BitmapEx&,
+ const ::basegfx::B2DPoint& rDstPoint,
+ const CanvasSharedPtr&,
+ const OutDevState& );
+ BitmapAction( const ::BitmapEx&,
+ const ::basegfx::B2DPoint& rDstPoint,
+ const ::basegfx::B2DVector& rDstSize,
+ const CanvasSharedPtr&,
+ const OutDevState& );
+
+ virtual bool renderSubset( const ::basegfx::B2DHomMatrix& rTransformation,
+ const Subset& rSubset ) const override;
+
+ virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix& rTransformation ) const override;
+ virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix& rTransformation,
+ const Subset& rSubset ) const override;
+
+ virtual sal_Int32 getActionCount() const override;
+
+ private:
+ using Action::render;
+ virtual bool renderPrimitive( uno::Reference< rendering::XCachedPrimitive >& rCachedPrimitive,
+ const ::basegfx::B2DHomMatrix& rTransformation ) const override;
+
+ uno::Reference< rendering::XBitmap > mxBitmap;
+ CanvasSharedPtr mpCanvas;
+ rendering::RenderState maState;
+ };
+
+
+ BitmapAction::BitmapAction( const ::BitmapEx& rBmpEx,
+ const ::basegfx::B2DPoint& rDstPoint,
+ const CanvasSharedPtr& rCanvas,
+ const OutDevState& rState ) :
+ CachedPrimitiveBase( rCanvas, true ),
+ mxBitmap( vcl::unotools::xBitmapFromBitmapEx( rBmpEx ) ),
+ mpCanvas( rCanvas ),
+ maState()
+ {
+ tools::initRenderState(maState,rState);
+
+ // Setup transformation such that the next render call is
+ // moved rPoint away.
+ const basegfx::B2DHomMatrix aLocalTransformation(basegfx::utils::createTranslateB2DHomMatrix(rDstPoint));
+ ::canvas::tools::appendToRenderState( maState,
+ aLocalTransformation );
+
+ // correct clip (which is relative to original transform)
+ tools::modifyClip( maState,
+ rState,
+ rCanvas,
+ rDstPoint,
+ nullptr,
+ nullptr );
+ }
+
+ BitmapAction::BitmapAction( const ::BitmapEx& rBmpEx,
+ const ::basegfx::B2DPoint& rDstPoint,
+ const ::basegfx::B2DVector& rDstSize,
+ const CanvasSharedPtr& rCanvas,
+ const OutDevState& rState ) :
+ CachedPrimitiveBase( rCanvas, true ),
+ mxBitmap( vcl::unotools::xBitmapFromBitmapEx( rBmpEx ) ),
+ mpCanvas( rCanvas ),
+ maState()
+ {
+ tools::initRenderState(maState,rState);
+
+ // Setup transformation such that the next render call is
+ // moved rPoint away, and scaled according to the ratio
+ // given by src and dst size.
+ const ::Size aBmpSize( rBmpEx.GetSizePixel() );
+
+ const ::basegfx::B2DVector aScale( rDstSize.getX() / aBmpSize.Width(),
+ rDstSize.getY() / aBmpSize.Height() );
+ const basegfx::B2DHomMatrix aLocalTransformation(basegfx::utils::createScaleTranslateB2DHomMatrix(
+ aScale, rDstPoint));
+ ::canvas::tools::appendToRenderState( maState, aLocalTransformation );
+
+ // correct clip (which is relative to original transform)
+ tools::modifyClip( maState,
+ rState,
+ rCanvas,
+ rDstPoint,
+ &aScale,
+ nullptr );
+ }
+
+ bool BitmapAction::renderPrimitive( uno::Reference< rendering::XCachedPrimitive >& rCachedPrimitive,
+ const ::basegfx::B2DHomMatrix& rTransformation ) const
+ {
+ SAL_INFO( "cppcanvas.emf", "::cppcanvas::internal::BitmapAction::renderPrimitive()" );
+ SAL_INFO( "cppcanvas.emf", "::cppcanvas::internal::BitmapAction: 0x" << std::hex << this );
+
+ rendering::RenderState aLocalState( maState );
+ ::canvas::tools::prependToRenderState(aLocalState, rTransformation);
+
+ rCachedPrimitive = mpCanvas->getUNOCanvas()->drawBitmap( mxBitmap,
+ mpCanvas->getViewState(),
+ aLocalState );
+
+ return true;
+ }
+
+ bool BitmapAction::renderSubset( const ::basegfx::B2DHomMatrix& rTransformation,
+ const Subset& rSubset ) const
+ {
+ // bitmap only contains a single action, fail if subset
+ // requests different range
+ if( rSubset.mnSubsetBegin != 0 ||
+ rSubset.mnSubsetEnd != 1 )
+ return false;
+
+ return CachedPrimitiveBase::render( rTransformation );
+ }
+
+ ::basegfx::B2DRange BitmapAction::getBounds( const ::basegfx::B2DHomMatrix& rTransformation ) const
+ {
+ rendering::RenderState aLocalState( maState );
+ ::canvas::tools::prependToRenderState(aLocalState, rTransformation);
+
+ const geometry::IntegerSize2D aSize( mxBitmap->getSize() );
+
+ return tools::calcDevicePixelBounds( ::basegfx::B2DRange( 0,0,
+ aSize.Width,
+ aSize.Height ),
+ mpCanvas->getViewState(),
+ aLocalState );
+ }
+
+ ::basegfx::B2DRange BitmapAction::getBounds( const ::basegfx::B2DHomMatrix& rTransformation,
+ const Subset& rSubset ) const
+ {
+ // bitmap only contains a single action, empty bounds
+ // if subset requests different range
+ if( rSubset.mnSubsetBegin != 0 ||
+ rSubset.mnSubsetEnd != 1 )
+ return ::basegfx::B2DRange();
+
+ return getBounds( rTransformation );
+ }
+
+ sal_Int32 BitmapAction::getActionCount() const
+ {
+ return 1;
+ }
+ }
+
+ std::shared_ptr<Action> BitmapActionFactory::createBitmapAction( const ::BitmapEx& rBmpEx,
+ const ::basegfx::B2DPoint& rDstPoint,
+ const CanvasSharedPtr& rCanvas,
+ const OutDevState& rState )
+ {
+ return std::make_shared<BitmapAction>(rBmpEx, rDstPoint, rCanvas, rState );
+ }
+
+ std::shared_ptr<Action> BitmapActionFactory::createBitmapAction( const ::BitmapEx& rBmpEx,
+ const ::basegfx::B2DPoint& rDstPoint,
+ const ::basegfx::B2DVector& rDstSize,
+ const CanvasSharedPtr& rCanvas,
+ const OutDevState& rState )
+ {
+ return std::make_shared<BitmapAction>(rBmpEx,
+ rDstPoint,
+ rDstSize,
+ rCanvas,
+ rState );
+ }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-15 20:35:03 +0000