Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

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

1 files changed, 218 insertions, 0 deletions

diff --git a/drawinglayer/source/primitive2d/graphicprimitive2d.cxx b/drawinglayer/source/primitive2d/graphicprimitive2d.cxx
new file mode 100644
index 000000000..f86b1585b
--- /dev/null
+++ b/drawinglayer/source/primitive2d/graphicprimitive2d.cxx
@@ -0,0 +1,218 @@
+/* -*- 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 <drawinglayer/primitive2d/graphicprimitive2d.hxx>
+#include <primitive2d/cropprimitive2d.hxx>
+#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
+#include <primitive2d/graphicprimitivehelper2d.hxx>
+#include <drawinglayer/primitive2d/unifiedtransparenceprimitive2d.hxx>
+#include <basegfx/matrix/b2dhommatrixtools.hxx>
+
+namespace drawinglayer::primitive2d
+{
+void GraphicPrimitive2D::create2DDecomposition(Primitive2DContainer& rContainer,
+                                               const geometry::ViewInformation2D&) const
+{
+    if (255 == getGraphicAttr().GetTransparency())
+    {
+        // content is invisible, done
+        return;
+    }
+
+    // do not apply mirroring from GraphicAttr to the Metafile by calling
+    // GetTransformedGraphic, this will try to mirror the Metafile using Scale()
+    // at the Metafile. This again calls Scale at the single MetaFile actions,
+    // but this implementation never worked. I reworked that implementations,
+    // but for security reasons i will try not to use it.
+    basegfx::B2DHomMatrix aTransform(getTransform());
+
+    if (getGraphicAttr().IsMirrored())
+    {
+        // content needs mirroring
+        const bool bHMirr(getGraphicAttr().GetMirrorFlags() & BmpMirrorFlags::Horizontal);
+        const bool bVMirr(getGraphicAttr().GetMirrorFlags() & BmpMirrorFlags::Vertical);
+
+        // mirror by applying negative scale to the unit primitive and
+        // applying the object transformation on it.
+        aTransform
+            = basegfx::utils::createScaleB2DHomMatrix(bHMirr ? -1.0 : 1.0, bVMirr ? -1.0 : 1.0);
+        aTransform.translate(bHMirr ? 1.0 : 0.0, bVMirr ? 1.0 : 0.0);
+        aTransform = getTransform() * aTransform;
+    }
+
+    // Get transformed graphic. Suppress rotation and cropping, only filtering is needed
+    // here (and may be replaced later on). Cropping is handled below as mask primitive (if set).
+    // Also need to suppress mirroring, it is part of the transformation now (see above).
+    // Also move transparency handling to embedding to a UnifiedTransparencePrimitive2D; do
+    // that by remembering original transparency and applying that later if needed
+    GraphicAttr aSuppressGraphicAttr(getGraphicAttr());
+
+    aSuppressGraphicAttr.SetCrop(0, 0, 0, 0);
+    aSuppressGraphicAttr.SetRotation(0);
+    aSuppressGraphicAttr.SetMirrorFlags(BmpMirrorFlags::NONE);
+    aSuppressGraphicAttr.SetTransparency(0);
+
+    const GraphicObject& rGraphicObject = getGraphicObject();
+    Graphic aTransformedGraphic(rGraphicObject.GetGraphic());
+    const bool isBitmap(GraphicType::Bitmap == aTransformedGraphic.GetType()
+                        && !aTransformedGraphic.getVectorGraphicData());
+    const bool isAdjusted(getGraphicAttr().IsAdjusted());
+    const bool isDrawMode(GraphicDrawMode::Standard != getGraphicAttr().GetDrawMode());
+
+    if (isBitmap && (isAdjusted || isDrawMode))
+    {
+        // the pure primitive solution with the color modifiers works well, too, but when
+        // it is a bitmap graphic the old modification currently is faster; so use it here
+        // instead of creating all as in create2DColorModifierEmbeddingsAsNeeded (see below).
+        // Still, crop, rotation, mirroring and transparency is handled by primitives already
+        // (see above).
+        // This could even be done when vector graphic, but we explicitly want to have the
+        // pure primitive solution for this; this will allow vector graphics to stay vector
+        // graphics, independent from the color filtering stuff. This will enhance e.g.
+        // SVG and print quality while reducing data size at the same time.
+        // The other way around the old modifications when only used on already bitmap objects
+        // will not lose any quality.
+        aTransformedGraphic = rGraphicObject.GetTransformedGraphic(&aSuppressGraphicAttr);
+
+        // reset GraphicAttr after use to not apply double
+        aSuppressGraphicAttr = GraphicAttr();
+    }
+
+    // create sub-content; helper takes care of correct handling of
+    // bitmap, svg or metafile content
+    Primitive2DContainer aRetval;
+    create2DDecompositionOfGraphic(aRetval, aTransformedGraphic, aTransform);
+
+    if (aRetval.empty())
+    {
+        // content is invisible, done
+        return;
+    }
+
+    if (isAdjusted || isDrawMode)
+    {
+        // embed to needed ModifiedColorPrimitive2D's if necessary. Do this for
+        // adjustments and draw mode specials
+        aRetval = create2DColorModifierEmbeddingsAsNeeded(
+            aRetval, aSuppressGraphicAttr.GetDrawMode(),
+            std::clamp(aSuppressGraphicAttr.GetLuminance() * 0.01, -1.0, 1.0),
+            std::clamp(aSuppressGraphicAttr.GetContrast() * 0.01, -1.0, 1.0),
+            std::clamp(aSuppressGraphicAttr.GetChannelR() * 0.01, -1.0, 1.0),
+            std::clamp(aSuppressGraphicAttr.GetChannelG() * 0.01, -1.0, 1.0),
+            std::clamp(aSuppressGraphicAttr.GetChannelB() * 0.01, -1.0, 1.0),
+            std::clamp(aSuppressGraphicAttr.GetGamma(), 0.0, 10.0),
+            aSuppressGraphicAttr.IsInvert());
+
+        if (aRetval.empty())
+        {
+            // content is invisible, done
+            return;
+        }
+    }
+
+    if (getGraphicAttr().IsTransparent())
+    {
+        // check for transparency
+        const double fTransparency(
+            std::clamp(getGraphicAttr().GetTransparency() * (1.0 / 255.0), 0.0, 1.0));
+
+        if (!basegfx::fTools::equalZero(fTransparency))
+        {
+            const Primitive2DReference aUnifiedTransparence(
+                new UnifiedTransparencePrimitive2D(aRetval, fTransparency));
+
+            aRetval = Primitive2DContainer{ aUnifiedTransparence };
+        }
+    }
+
+    if (getGraphicAttr().IsCropped())
+    {
+        // check for cropping
+        // calculate scalings between real image size and logic object size. This
+        // is necessary since the crop values are relative to original bitmap size
+        const basegfx::B2DVector aObjectScale(aTransform * basegfx::B2DVector(1.0, 1.0));
+        const basegfx::B2DVector aCropScaleFactor(rGraphicObject.calculateCropScaling(
+            aObjectScale.getX(), aObjectScale.getY(), getGraphicAttr().GetLeftCrop(),
+            getGraphicAttr().GetTopCrop(), getGraphicAttr().GetRightCrop(),
+            getGraphicAttr().GetBottomCrop()));
+
+        // embed content in cropPrimitive
+        Primitive2DReference xPrimitive(new CropPrimitive2D(
+            aRetval, aTransform, getGraphicAttr().GetLeftCrop() * aCropScaleFactor.getX(),
+            getGraphicAttr().GetTopCrop() * aCropScaleFactor.getY(),
+            getGraphicAttr().GetRightCrop() * aCropScaleFactor.getX(),
+            getGraphicAttr().GetBottomCrop() * aCropScaleFactor.getY()));
+
+        aRetval = Primitive2DContainer{ xPrimitive };
+    }
+
+    rContainer.insert(rContainer.end(), aRetval.begin(), aRetval.end());
+}
+
+GraphicPrimitive2D::GraphicPrimitive2D(const basegfx::B2DHomMatrix& rTransform,
+                                       const GraphicObject& rGraphicObject,
+                                       const GraphicAttr& rGraphicAttr)
+    : BufferedDecompositionPrimitive2D()
+    , maTransform(rTransform)
+    , maGraphicObject(rGraphicObject)
+    , maGraphicAttr(rGraphicAttr)
+{
+}
+
+GraphicPrimitive2D::GraphicPrimitive2D(const basegfx::B2DHomMatrix& rTransform,
+                                       const GraphicObject& rGraphicObject)
+    : BufferedDecompositionPrimitive2D()
+    , maTransform(rTransform)
+    , maGraphicObject(rGraphicObject)
+    , maGraphicAttr()
+{
+}
+
+bool GraphicPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
+{
+    if (BufferedDecompositionPrimitive2D::operator==(rPrimitive))
+    {
+        const GraphicPrimitive2D& rCompare = static_cast<const GraphicPrimitive2D&>(rPrimitive);
+
+        return (getTransform() == rCompare.getTransform()
+                && getGraphicObject() == rCompare.getGraphicObject()
+                && getGraphicAttr() == rCompare.getGraphicAttr());
+    }
+
+    return false;
+}
+
+basegfx::B2DRange
+GraphicPrimitive2D::getB2DRange(const geometry::ViewInformation2D& /*rViewInformation*/) const
+{
+    basegfx::B2DRange aRetval(0.0, 0.0, 1.0, 1.0);
+    aRetval.transform(getTransform());
+    return aRetval;
+}
+
+// provide unique ID
+ImplPrimitive2DIDBlock(GraphicPrimitive2D, PRIMITIVE2D_ID_GRAPHICPRIMITIVE2D)
+
+} // end of namespace
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */