Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 199 insertions, 0 deletions

diff --git a/canvas/source/directx/dx_spritehelper.cxx b/canvas/source/directx/dx_spritehelper.cxx
new file mode 100644
index 000000000..135c59e3e
--- /dev/null
+++ b/canvas/source/directx/dx_spritehelper.cxx
@@ -0,0 +1,199 @@
+/* -*- 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 <sal/log.hxx>
+
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <basegfx/numeric/ftools.hxx>
+#include <basegfx/point/b2dpoint.hxx>
+#include <basegfx/polygon/b2dpolygoncutandtouch.hxx>
+#include <basegfx/polygon/b2dpolygontools.hxx>
+#include <basegfx/polygon/b2dpolygontriangulator.hxx>
+#include <basegfx/polygon/b2dpolypolygontools.hxx>
+#include <basegfx/utils/canvastools.hxx>
+#include <rtl/math.hxx>
+#include <tools/diagnose_ex.h>
+
+#include <canvas/canvastools.hxx>
+
+#include "dx_canvascustomsprite.hxx"
+#include "dx_impltools.hxx"
+#include "dx_spritehelper.hxx"
+
+using namespace ::com::sun::star;
+
+namespace dxcanvas
+{
+    SpriteHelper::SpriteHelper() :
+        mpSpriteCanvas(),
+        mpBitmap(),
+        mbTextureDirty( true ),
+        mbShowSpriteBounds( false )
+    {
+    }
+
+    void SpriteHelper::init( const geometry::RealSize2D&     rSpriteSize,
+                             const SpriteCanvasRef&          rSpriteCanvas,
+                             const IDXRenderModuleSharedPtr& rRenderModule,
+                             const DXSurfaceBitmapSharedPtr& rBitmap,
+                             bool                            bShowSpriteBounds )
+    {
+        ENSURE_OR_THROW( rSpriteCanvas &&
+                          rRenderModule &&
+                          rBitmap,
+                          "SpriteHelper::init(): Invalid device, sprite canvas or surface" );
+
+        mpSpriteCanvas     = rSpriteCanvas;
+        mpBitmap           = rBitmap;
+        mbTextureDirty     = true;
+        mbShowSpriteBounds = bShowSpriteBounds;
+
+        // also init base class
+        CanvasCustomSpriteHelper::init( rSpriteSize,
+                                        rSpriteCanvas );
+    }
+
+    void SpriteHelper::disposing()
+    {
+        mpBitmap.reset();
+        mpSpriteCanvas.clear();
+
+        // forward to parent
+        CanvasCustomSpriteHelper::disposing();
+    }
+
+    ::basegfx::B2DPolyPolygon SpriteHelper::polyPolygonFromXPolyPolygon2D( uno::Reference< rendering::XPolyPolygon2D >& xPoly ) const
+    {
+        return tools::polyPolygonFromXPolyPolygon2D( xPoly );
+    }
+
+    bool SpriteHelper::needRedraw() const
+    {
+        if( !mpBitmap ||
+            !mpSpriteCanvas )
+        {
+            return false; // we're disposed, no redraw necessary
+        }
+
+        if( !isActive() ||
+            ::basegfx::fTools::equalZero( getAlpha() ) )
+        {
+            return false; // sprite is invisible
+        }
+
+        return true;
+    }
+
+    void SpriteHelper::redraw( bool& io_bSurfaceDirty ) const
+    {
+        if( !mpBitmap ||
+            !mpSpriteCanvas )
+        {
+            return; // we're disposed
+        }
+
+        const ::basegfx::B2DPoint& rPos( getPosPixel() );
+        const double               fAlpha( getAlpha() );
+
+        if( isActive() &&
+            !::basegfx::fTools::equalZero( fAlpha ) )
+        {
+
+            // TODO(Q2): For the time being, Device does not take a target
+            // surface, but always unconditionally renders to the
+            // background buffer.
+
+            // log output pos in device pixel
+            SAL_INFO("canvas.directx", "SpriteHelper::redraw(): output pos is (" <<
+                     rPos.getX() << "," << rPos.getY() << ")" );
+
+            const ::basegfx::B2DVector&                        rSize( getSizePixel() );
+            const ::basegfx::B2DHomMatrix&                     rTransform( getTransformation() );
+            const uno::Reference< rendering::XPolyPolygon2D >& xClip( getClip() );
+
+            mbTextureDirty   = false;
+            io_bSurfaceDirty = false; // state taken, and processed.
+
+            ::basegfx::B2DPolyPolygon   aClipPath; // empty for no clip
+            bool                        bIsClipRectangular( false ); // false, if no
+                                                                    // clip, or clip
+                                                                    // is complex
+
+            // setup and apply clip (if any)
+            // =================================
+
+            if( xClip.is() )
+            {
+                aClipPath = tools::polyPolygonFromXPolyPolygon2D( xClip );
+
+                const sal_Int32 nNumClipPolygons( aClipPath.count() );
+                if( nNumClipPolygons )
+                {
+                    // TODO(P2): hold rectangle attribute directly
+                    // at the XPolyPolygon2D
+
+                    // check whether the clip is rectangular
+                    if( nNumClipPolygons == 1 )
+                        if( ::basegfx::utils::isRectangle( aClipPath.getB2DPolygon( 0 ) ) )
+                            bIsClipRectangular = true;
+                }
+            }
+
+            const ::basegfx::B2DRectangle aSourceRect( 0.0,
+                                                       0.0,
+                                                       rSize.getX(),
+                                                       rSize.getY() );
+
+            // draw simple rectangular area if no clip is set.
+            if( !aClipPath.count() )
+            {
+                mpBitmap->draw(fAlpha,rPos,rTransform);
+            }
+            else if( bIsClipRectangular )
+            {
+                // apply a simple rect clip
+                // ========================
+
+                ::basegfx::B2DRectangle aClipBounds(
+                    ::basegfx::utils::getRange( aClipPath ) );
+                aClipBounds.intersect( aSourceRect );
+
+                mpBitmap->draw(fAlpha,rPos,aClipBounds,rTransform);
+            }
+            else
+            {
+                // apply clip the hard way
+                // =======================
+
+                mpBitmap->draw(fAlpha,rPos,aClipPath,rTransform);
+            }
+
+            if( mbShowSpriteBounds )
+            {
+                if( aClipPath.count() )
+                {
+                    // TODO(F2): Re-enable debug output
+                }
+            }
+        }
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */