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tdf#129532 tdf#98839 fixes for mirror of custom shapes

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tdf#98839 In case a sheared custom shape was mirrored, the shear
angle in draw:transform had a wrong sign in the saved file.
tdf#129532 Mirroring given in draw:transform in file or via macro
was wrongly applied. Errors:
1)Mirroring from draw:transform attribute had overwritten already
existing mirroring in the enhanced-geometry.
2)Mirroring from draw:transform attribute was set in enhanced-
geometry attributes but not really applied.

Change-Id: Ifa52f3606b5a33e6492a02d6e19c883d28752da8
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/85670
Tested-by: Jenkins
Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>
This commit is contained in:
Regina Henschel
2019-12-21 22:32:55 +01:00
committed by Tomaž Vajngerl
parent 79d396a2a6
commit b4a6977e05
6 changed files with 164 additions and 43 deletions
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sd/qa/unit/data/tdf98839_ShearVFlipH.odg Normal file
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31
sd/qa/unit/misc-tests.cxx
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@@ -53,7 +53,8 @@
#include <vcl/window.hxx>
#include <vcl/event.hxx>
#include <vcl/keycodes.hxx>
#include <svx/svdoashp.hxx>
#include <tools/gen.hxx>
using namespace ::com::sun::star;
@@ -76,6 +77,7 @@ public:
void testTdf67248();
void testTdf119956();
void testTdf120527();
void testTdf98839_ShearVFlipH();
CPPUNIT_TEST_SUITE(SdMiscTest);
CPPUNIT_TEST(testTdf96206);
@@ -93,6 +95,7 @@ public:
CPPUNIT_TEST(testTdf67248);
CPPUNIT_TEST(testTdf119956);
CPPUNIT_TEST(testTdf120527);
CPPUNIT_TEST(testTdf98839_ShearVFlipH);
CPPUNIT_TEST_SUITE_END();
virtual void registerNamespaces(xmlXPathContextPtr& pXmlXPathCtx) override
@@ -773,6 +776,32 @@ void SdMiscTest::testTdf119956()
xDocShRef->DoClose();
}
void SdMiscTest::testTdf98839_ShearVFlipH()
{
// Loads a document with a sheared shape and mirrors it
const OUString sURL = "sd/qa/unit/data/tdf98839_ShearVFlipH.odg";
sd::DrawDocShellRef xDocShRef = Load(m_directories.getURLFromSrc(sURL), ODG);
sd::GraphicViewShell* pViewShell = static_cast<sd::GraphicViewShell*>(xDocShRef->GetViewShell());
SdPage* pPage = pViewShell->GetActualPage();
SdrObjCustomShape* pShape = static_cast<SdrObjCustomShape*>(pPage->GetObj(0));
pShape->Mirror(Point(4000, 2000), Point(4000, 10000));
// Save and examine attribute draw:transform
utl::TempFile aTempFile;
aTempFile.EnableKillingFile();
save(xDocShRef.get(), getFormat(ODG), aTempFile);
xmlDocPtr pXmlDoc = parseExport(aTempFile, "content.xml");
CPPUNIT_ASSERT_MESSAGE("Failed to get 'content.xml'", pXmlDoc);
const OString sPathStart("/office:document-content/office:body/office:drawing/draw:page");
assertXPath(pXmlDoc, sPathStart);
const OUString sTransform = getXPath(pXmlDoc, sPathStart + "/draw:custom-shape","transform");
// Error was, that the shear angle had a wrong sign.
CPPUNIT_ASSERT_MESSAGE("expected: draw:transform='skewX (-0.64350...)", sTransform.startsWith("skewX (-"));
xDocShRef->DoClose();
}
CPPUNIT_TEST_SUITE_REGISTRATION(SdMiscTest);
CPPUNIT_PLUGIN_IMPLEMENT();

40
svx/qa/unit/customshapes.cxx
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@@ -631,6 +631,46 @@ CPPUNIT_TEST_FIXTURE(CustomshapesTest, testTdf128413_tbrlOnOff)
}
CPPUNIT_ASSERT_EQUAL(OUString(), sError);
}
CPPUNIT_TEST_FIXTURE(CustomshapesTest, testTdf129532_MatrixFlipV)
{
// The document contains two rotated shapes with the same geometry. For one of them
// "matrix(1 0 0 -1 0cm 0cm)" was manually added to the value of the draw:transform
// attribute. That should result in mirroring on the x-axis. Error was, that the lines
// which are drawn on the shape rectangle were mirrored, but not the rectangle itself.
// The rectangle was only shifted.
const OUString sFileName("tdf129532_MatrixFlipV.odg");
OUString sURL = m_directories.getURLFromSrc(sDataDirectory) + sFileName;
mxComponent = loadFromDesktop(sURL, "com.sun.star.comp.drawing.DrawingDocument");
CPPUNIT_ASSERT_MESSAGE("Could not load document", mxComponent.is());
OUString sErrors; // sErrors collects the errors and should be empty in case all is OK.
uno::Reference<drawing::XShape> xShape0(getShape(0));
uno::Reference<beans::XPropertySet> xShape0Props(xShape0, uno::UNO_QUERY);
CPPUNIT_ASSERT_MESSAGE("Could not get the shape properties", xShape0Props.is());
awt::Rectangle aBoundRect0;
xShape0Props->getPropertyValue(UNO_NAME_MISC_OBJ_BOUNDRECT) >>= aBoundRect0;
uno::Reference<drawing::XShape> xShape1(getShape(1));
uno::Reference<beans::XPropertySet> xShape1Props(xShape1, uno::UNO_QUERY);
CPPUNIT_ASSERT_MESSAGE("Could not get the shape properties", xShape1Props.is());
awt::Rectangle aBoundRect1;
xShape1Props->getPropertyValue(UNO_NAME_MISC_OBJ_BOUNDRECT) >>= aBoundRect1;
// The size of the two BoundRect rectangles are the same in case of correct
// vertical mirroring.
if (aBoundRect0.Width != aBoundRect1.Width)
{
sErrors += "\n Width expected: " + OUString::number(aBoundRect1.Width)
+ " actual: " + OUString::number(aBoundRect0.Width);
}
if (aBoundRect0.Height != aBoundRect1.Height)
{
sErrors += "\n Height expected: " + OUString::number(aBoundRect1.Height)
+ " actual: " + OUString::number(aBoundRect0.Height);
}
CPPUNIT_ASSERT_EQUAL(OUString(), sErrors);
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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65
svx/source/svdraw/svdoashp.cxx
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@@ -2987,21 +2987,29 @@ void SdrObjCustomShape::AdjustToMaxRect(const tools::Rectangle& rMaxRect, bool b
void SdrObjCustomShape::TRSetBaseGeometry(const basegfx::B2DHomMatrix& rMatrix, const basegfx::B2DPolyPolygon& /*rPolyPolygon*/)
{
// The shape might have already flipping in its enhanced geometry. LibreOffice applies
// such after all transformations. We remove it, but remember it to apply them later.
bool bIsMirroredX = IsMirroredX();
bool bIsMirroredY = IsMirroredY();
if (bIsMirroredX || bIsMirroredY)
{
Point aCurrentCenter = GetSnapRect().Center();
if (bIsMirroredX) // mirror on the y-axis
{
Mirror(aCurrentCenter, Point(aCurrentCenter.X(), aCurrentCenter.Y() + 1000));
}
if (bIsMirroredY) // mirror on the x-axis
{
Mirror(aCurrentCenter, Point(aCurrentCenter.X() + 1000, aCurrentCenter.Y()));
}
}
// break up matrix
basegfx::B2DTuple aScale;
basegfx::B2DTuple aTranslate;
double fRotate, fShearX;
rMatrix.decompose(aScale, aTranslate, fRotate, fShearX);
// #i75086# Old DrawingLayer (GeoStat and geometry) does not support holding negative scalings
// in X and Y which equal a 180 degree rotation. Recognize it and react accordingly
if(basegfx::fTools::less(aScale.getX(), 0.0) && basegfx::fTools::less(aScale.getY(), 0.0))
{
aScale.setX(fabs(aScale.getX()));
aScale.setY(fabs(aScale.getY()));
fRotate = fmod(fRotate + F_PI, F_2PI);
}
// reset object shear and rotations
fObjectRotation = 0.0;
aGeo.nRotationAngle = 0;
@@ -3018,14 +3026,19 @@ void SdrObjCustomShape::TRSetBaseGeometry(const basegfx::B2DHomMatrix& rMatrix,
}
}
// build and set BaseRect (use scale)
Size aSize(FRound(aScale.getX()), FRound(aScale.getY()));
// scale
Size aSize(FRound(fabs(aScale.getX())), FRound(fabs(aScale.getY())));
// fdo#47434 We need a valid rectangle here
if( !aSize.Height() ) aSize.setHeight( 1 );
if( !aSize.Width() ) aSize.setWidth( 1 );
tools::Rectangle aBaseRect(Point(), aSize);
SetSnapRect(aBaseRect);
SetLogicRect(aBaseRect);
// Apply flipping from Matrix, which is a transformation relative to origin
if (basegfx::fTools::less(aScale.getX(), 0.0))
Mirror(Point(0, 0), Point(0, 1000)); // mirror on the y-axis
if (basegfx::fTools::less(aScale.getY(), 0.0))
Mirror(Point(0, 0), Point(1000, 0)); // mirror on the x-axis
// shear?
if(!basegfx::fTools::equalZero(fShearX))
@@ -3057,6 +3070,30 @@ void SdrObjCustomShape::TRSetBaseGeometry(const basegfx::B2DHomMatrix& rMatrix,
{
Move(Size(FRound(aTranslate.getX()), FRound(aTranslate.getY())));
}
// Apply flipping from enhanced geometry at center of the shape.
if (bIsMirroredX || bIsMirroredY)
{
// create mathematically matrix for the applied transformations
// aScale was in most cases built from a rectangle including edge
// and is therefore mathematically too large by 1
if (aScale.getX() > 2.0 && aScale.getY() > 2.0)
aScale -= basegfx::B2DTuple(1.0, 1.0);
basegfx::B2DHomMatrix aMathMat = basegfx::utils::createScaleShearXRotateTranslateB2DHomMatrix(
aScale, -fShearX, basegfx::fTools::equalZero(fRotate) ? 0.0 : fRotate,
aTranslate);
// Use matrix to get current center
basegfx::B2DPoint aCenter(0.5,0.5);
aCenter = aMathMat * aCenter;
double fCenterX = aCenter.getX();
double fCenterY = aCenter.getY();
if (bIsMirroredX) // vertical axis
Mirror(Point(FRound(fCenterX),FRound(fCenterY)),
Point(FRound(fCenterX), FRound(fCenterY + 1000.0)));
if (bIsMirroredY) // horizontal axis
Mirror(Point(FRound(fCenterX),FRound(fCenterY)),
Point(FRound(fCenterX + 1000.0), FRound(fCenterY)));
}
}
// taking fObjectRotation instead of aGeo.nAngle
@@ -3078,6 +3115,7 @@ bool SdrObjCustomShape::TRGetBaseGeometry(basegfx::B2DHomMatrix& rMatrix, basegf
if ( bMirroredX )
{
fShearX = -fShearX;
tools::Polygon aPol = Rect2Poly(maRect, aNewGeo);
tools::Rectangle aBoundRect( aPol.GetBoundRect() );
@@ -3100,6 +3138,7 @@ bool SdrObjCustomShape::TRGetBaseGeometry(basegfx::B2DHomMatrix& rMatrix, basegf
}
if ( bMirroredY )
{
fShearX = -fShearX;
tools::Polygon aPol( Rect2Poly( aRectangle, aNewGeo ) );
tools::Rectangle aBoundRect( aPol.GetBoundRect() );

71
xmloff/source/draw/ximpshap.cxx
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@@ -3755,11 +3755,9 @@ void SdXMLCustomShapeContext::StartElement( const uno::Reference< xml::sax::XAtt
void SdXMLCustomShapeContext::EndElement()
{
// for backward compatibility, the above SetTransformation() may already have
// applied a call to SetMirroredX/SetMirroredY. This is not yet added to the
// beans::PropertyValues in maCustomShapeGeometry. When applying these now, this
// would be lost again.
// TTTT: Remove again after aw080
// Customshapes remember mirror state in its enhanced geometry.
// SetTransformation() in StartElement() may have applied mirroring, but that is not yet
// contained. Merge that information here before writing the property.
if(!maUsedTransformation.isIdentity())
{
basegfx::B2DVector aScale, aTranslate;
@@ -3767,43 +3765,58 @@ void SdXMLCustomShapeContext::EndElement()
maUsedTransformation.decompose(aScale, aTranslate, fRotate, fShearX);
bool bFlippedX(aScale.getX() < 0.0);
bool bFlippedY(aScale.getY() < 0.0);
if(bFlippedX && bFlippedY)
if (aScale.getX() < 0.0)
{
// when both are used it is the same as 180 degree rotation; reset
bFlippedX = bFlippedY = false;
}
if(bFlippedX || bFlippedY)
{
OUString sName;
if(bFlippedX)
sName = "MirroredX";
else
sName = "MirroredY";
//fdo#84043 overwrite the property if it already exists, otherwise append it
beans::PropertyValue* pItem;
const OUString sName("MirroredX");
//fdo#84043 Merge, if property exists, otherwise append it
auto aI = std::find_if(maCustomShapeGeometry.begin(), maCustomShapeGeometry.end(),
[&sName](beans::PropertyValue& rValue) { return rValue.Name == sName; });
if (aI != maCustomShapeGeometry.end())
{
beans::PropertyValue& rItem = *aI;
pItem = &rItem;
bool bMirroredX;
rItem.Value >>= bMirroredX;
rItem.Value <<= !bMirroredX;
rItem.Handle = -1;
rItem.State = beans::PropertyState_DIRECT_VALUE;
}
else
{
beans::PropertyValue* pItem;
maCustomShapeGeometry.emplace_back();
pItem = &maCustomShapeGeometry.back();
pItem->Name = sName;
pItem->Handle = -1;
pItem->Value <<= true;
pItem->State = beans::PropertyState_DIRECT_VALUE;
}
}
pItem->Name = sName;
pItem->Handle = -1;
pItem->Value <<= true;
pItem->State = beans::PropertyState_DIRECT_VALUE;
if (aScale.getY() < 0.0)
{
const OUString sName("MirroredY");
//fdo#84043 Merge, if property exists, otherwise append it
auto aI = std::find_if(maCustomShapeGeometry.begin(), maCustomShapeGeometry.end(),
[&sName](beans::PropertyValue& rValue) { return rValue.Name == sName; });
if (aI != maCustomShapeGeometry.end())
{
beans::PropertyValue& rItem = *aI;
bool bMirroredY;
rItem.Value >>= bMirroredY;
rItem.Value <<= !bMirroredY;
rItem.Handle = -1;
rItem.State = beans::PropertyState_DIRECT_VALUE;
}
else
{
beans::PropertyValue* pItem;
maCustomShapeGeometry.emplace_back();
pItem = &maCustomShapeGeometry.back();
pItem->Name = sName;
pItem->Handle = -1;
pItem->Value <<= true;
pItem->State = beans::PropertyState_DIRECT_VALUE;
}
}
}