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authorBartosz Kosiorek <gang65@poczta.onet.pl>2017-05-11 22:58:06 +0200
committerBartosz Kosiorek <gang65@poczta.onet.pl>2017-05-12 14:38:35 +0200
commit43f5268c6fa394b0d219f8653ef827bdd531b4e4 (patch)
tree6a25a0fe8a95c7487d4f859ff18ed9b80fdf0430 /cppcanvas/source/mtfrenderer
parent016e4d0e2650b2fb350068d86e8d392a7ef5acb1 (diff)
EMF+ tdf#31814 Add support of reading EmfPlusBoundaryPointData
The EmfPlusBoundaryPointData object specifies a closed cardinal spline boundary for a gradient brush. This data is starting point for displaying correctly gradients. Change-Id: I91b01417c6dc00a04dabfc5a035afe9085999240 Reviewed-on: https://gerrit.libreoffice.org/37519 Tested-by: Jenkins <ci@libreoffice.org> Reviewed-by: Bartosz Kosiorek <gang65@poczta.onet.pl>
Diffstat (limited to 'cppcanvas/source/mtfrenderer')
-rwxr-xr-xcppcanvas/source/mtfrenderer/emfpbrush.cxx112
-rwxr-xr-xcppcanvas/source/mtfrenderer/emfpbrush.hxx9
-rw-r--r--cppcanvas/source/mtfrenderer/emfplus.cxx34
3 files changed, 87 insertions, 68 deletions
diff --git a/cppcanvas/source/mtfrenderer/emfpbrush.cxx b/cppcanvas/source/mtfrenderer/emfpbrush.cxx
index 72bbc7131d56..051859d33549 100755
--- a/cppcanvas/source/mtfrenderer/emfpbrush.cxx
+++ b/cppcanvas/source/mtfrenderer/emfpbrush.cxx
@@ -43,16 +43,6 @@ namespace cppcanvas
{
namespace internal
{
-
- enum EmfPlusBrushType
- {
- BrushTypeSolidColor = 0x00000000,
- BrushTypeHatchFill = 0x00000001,
- BrushTypeTextureFill = 0x00000002,
- BrushTypePathGradient = 0x00000003,
- BrushTypeLinearGradient = 0x00000004
- };
-
EMFPBrush::EMFPBrush()
: type(0)
, additionalFlags(0)
@@ -154,7 +144,7 @@ namespace cppcanvas
SAL_INFO("cppcanvas.emf", "EMF+\tcenter point: " << areaX << "," << areaY);
s.ReadInt32(surroundColorsNumber);
- SAL_INFO("cppcanvas.emf", "EMF+\tsurround colors: " << surroundColorsNumber);
+ SAL_INFO("cppcanvas.emf", "EMF+\t number of surround colors: " << surroundColorsNumber);
if (surroundColorsNumber<0 || sal_uInt32(surroundColorsNumber)>SAL_MAX_INT32 / sizeof(::Color))
surroundColorsNumber = SAL_MAX_INT32 / sizeof(::Color);
@@ -191,57 +181,73 @@ namespace cppcanvas
const ::basegfx::B2DRectangle aBounds(::basegfx::tools::getRange(path->GetPolygon(rR, false)));
areaWidth = aBounds.getWidth();
areaHeight = aBounds.getHeight();
+ SAL_INFO("cppcanvas.emf", "EMF+\t polygon bounding box: " << aBounds.getMinX() << "," << aBounds.getMinY() << " " << aBounds.getWidth() << "x" << aBounds.getHeight());
+ }
+ else
+ {
+ sal_Int32 boundaryPointCount;
+ s.ReadInt32(boundaryPointCount);
+
+ sal_uInt64 const pos = s.Tell();
+ SAL_INFO("cppcanvas.emf", "EMF+\t use boundary, points: " << boundaryPointCount);
+ path = new EMFPPath(boundaryPointCount);
+ path->Read(s, 0x0, rR);
- SAL_INFO("cppcanvas.emf", "EMF+\tpolygon bounding box: " << aBounds.getMinX() << "," << aBounds.getMinY() << " " << aBounds.getWidth() << "x" << aBounds.getHeight());
+ s.Seek(pos + 8 * boundaryPointCount);
+ const ::basegfx::B2DRectangle aBounds(::basegfx::tools::getRange(path->GetPolygon(rR, false)));
+ areaWidth = aBounds.getWidth();
+ areaHeight = aBounds.getHeight();
+ SAL_INFO("cppcanvas.emf", "EMF+\t polygon bounding box: " << aBounds.getMinX() << "," << aBounds.getMinY() << " " << aBounds.getWidth() << "x" << aBounds.getHeight());
+ }
- if (additionalFlags & 0x02) {
- SAL_INFO("cppcanvas.emf", "EMF+\tuse transformation");
- ReadXForm(s, brush_transformation);
- hasTransformation = true;
- SAL_INFO("cppcanvas.emf",
- "EMF+\tm11: " << brush_transformation.eM11 << " m12: " << brush_transformation.eM12 <<
- "\nEMF+\tm21: " << brush_transformation.eM21 << " m22: " << brush_transformation.eM22 <<
- "\nEMF+\tdx: " << brush_transformation.eDx << " dy: " << brush_transformation.eDy);
+ if (additionalFlags & 0x02) {
+ SAL_INFO("cppcanvas.emf", "EMF+\tuse transformation");
+ ReadXForm(s, brush_transformation);
+ hasTransformation = true;
+ SAL_INFO("cppcanvas.emf",
+ "EMF+\tm11: " << brush_transformation.eM11 << " m12: " << brush_transformation.eM12 <<
+ "\nEMF+\tm21: " << brush_transformation.eM21 << " m22: " << brush_transformation.eM22 <<
+ "\nEMF+\tdx: " << brush_transformation.eDx << " dy: " << brush_transformation.eDy);
+ }
+ if (additionalFlags & 0x08) {
+ s.ReadInt32(blendPoints);
+ SAL_INFO("cppcanvas.emf", "EMF+\tuse blend, points: " << blendPoints);
+ if (blendPoints<0 || sal_uInt32(blendPoints)>SAL_MAX_INT32 / (2 * sizeof(float)))
+ blendPoints = SAL_MAX_INT32 / (2 * sizeof(float));
+ blendPositions = new float[2 * blendPoints];
+ blendFactors = blendPositions + blendPoints;
+ for (int i = 0; i < blendPoints; i++) {
+ s.ReadFloat(blendPositions[i]);
+ SAL_INFO("cppcanvas.emf", "EMF+\tposition[" << i << "]: " << blendPositions[i]);
}
- if (additionalFlags & 0x08) {
- s.ReadInt32(blendPoints);
- SAL_INFO("cppcanvas.emf", "EMF+\tuse blend, points: " << blendPoints);
- if (blendPoints<0 || sal_uInt32(blendPoints)>SAL_MAX_INT32 / (2 * sizeof(float)))
- blendPoints = SAL_MAX_INT32 / (2 * sizeof(float));
- blendPositions = new float[2 * blendPoints];
- blendFactors = blendPositions + blendPoints;
- for (int i = 0; i < blendPoints; i++) {
- s.ReadFloat(blendPositions[i]);
- SAL_INFO("cppcanvas.emf", "EMF+\tposition[" << i << "]: " << blendPositions[i]);
- }
- for (int i = 0; i < blendPoints; i++) {
- s.ReadFloat(blendFactors[i]);
- SAL_INFO("cppcanvas.emf", "EMF+\tfactor[" << i << "]: " << blendFactors[i]);
- }
+ for (int i = 0; i < blendPoints; i++) {
+ s.ReadFloat(blendFactors[i]);
+ SAL_INFO("cppcanvas.emf", "EMF+\tfactor[" << i << "]: " << blendFactors[i]);
}
+ }
- if (additionalFlags & 0x04) {
- s.ReadInt32(colorblendPoints);
- SAL_INFO("cppcanvas.emf", "EMF+\tuse color blend, points: " << colorblendPoints);
- if (colorblendPoints<0 || sal_uInt32(colorblendPoints)>SAL_MAX_INT32 / sizeof(float))
- colorblendPoints = SAL_MAX_INT32 / sizeof(float);
- if (sal_uInt32(colorblendPoints)>SAL_MAX_INT32 / sizeof(::Color))
- colorblendPoints = SAL_MAX_INT32 / sizeof(::Color);
- colorblendPositions = new float[colorblendPoints];
- colorblendColors = new ::Color[colorblendPoints];
- for (int i = 0; i < colorblendPoints; i++) {
- s.ReadFloat(colorblendPositions[i]);
- SAL_INFO("cppcanvas.emf", "EMF+\tposition[" << i << "]: " << colorblendPositions[i]);
- }
- for (int i = 0; i < colorblendPoints; i++) {
- s.ReadUInt32(color);
- colorblendColors[i] = ::Color(0xff - (color >> 24), (color >> 16) & 0xff, (color >> 8) & 0xff, color & 0xff);
- SAL_INFO("cppcanvas.emf", "EMF+\tcolor[" << i << "]: 0x" << std::hex << color << std::dec);
- }
+ if (additionalFlags & 0x04) {
+ s.ReadInt32(colorblendPoints);
+ SAL_INFO("cppcanvas.emf", "EMF+\tuse color blend, points: " << colorblendPoints);
+ if (colorblendPoints<0 || sal_uInt32(colorblendPoints)>SAL_MAX_INT32 / sizeof(float))
+ colorblendPoints = SAL_MAX_INT32 / sizeof(float);
+ if (sal_uInt32(colorblendPoints)>SAL_MAX_INT32 / sizeof(::Color))
+ colorblendPoints = SAL_MAX_INT32 / sizeof(::Color);
+ colorblendPositions = new float[colorblendPoints];
+ colorblendColors = new ::Color[colorblendPoints];
+ for (int i = 0; i < colorblendPoints; i++) {
+ s.ReadFloat(colorblendPositions[i]);
+ SAL_INFO("cppcanvas.emf", "EMF+\tposition[" << i << "]: " << colorblendPositions[i]);
+ }
+ for (int i = 0; i < colorblendPoints; i++) {
+ s.ReadUInt32(color);
+ colorblendColors[i] = ::Color(0xff - (color >> 24), (color >> 16) & 0xff, (color >> 8) & 0xff, color & 0xff);
+ SAL_INFO("cppcanvas.emf", "EMF+\tcolor[" << i << "]: 0x" << std::hex << color << std::dec);
}
}
+
break;
}
case BrushTypeLinearGradient:
diff --git a/cppcanvas/source/mtfrenderer/emfpbrush.hxx b/cppcanvas/source/mtfrenderer/emfpbrush.hxx
index 88fe7b840961..3d5561b55846 100755
--- a/cppcanvas/source/mtfrenderer/emfpbrush.hxx
+++ b/cppcanvas/source/mtfrenderer/emfpbrush.hxx
@@ -81,6 +81,15 @@ namespace cppcanvas
HatchStyleSolidDiamond = 0x00000034
};
+ enum EmfPlusBrushType
+ {
+ BrushTypeSolidColor = 0x00000000,
+ BrushTypeHatchFill = 0x00000001,
+ BrushTypeTextureFill = 0x00000002,
+ BrushTypePathGradient = 0x00000003,
+ BrushTypeLinearGradient = 0x00000004
+ };
+
struct EMFPPath;
struct EMFPBrush : public EMFPObject
diff --git a/cppcanvas/source/mtfrenderer/emfplus.cxx b/cppcanvas/source/mtfrenderer/emfplus.cxx
index 6b4cf6eb4240..aea0aef58a95 100644
--- a/cppcanvas/source/mtfrenderer/emfplus.cxx
+++ b/cppcanvas/source/mtfrenderer/emfplus.cxx
@@ -330,7 +330,7 @@ namespace cppcanvas
rState.isFillColorSet = false;
rState.isLineColorSet = false;
- if (brush->type == 1)
+ if (brush->type == BrushTypeHatchFill)
{
// EMF+ like hatching is currently not supported. These are just color blends which serve as an approximation for some of them
// for the others the hatch "background" color (secondColor in brush) is used.
@@ -371,11 +371,16 @@ namespace cppcanvas
rState.fillColor = vcl::unotools::colorToDoubleSequence(fillColor, rCanvas->getUNOCanvas()->getDevice()->getDeviceColorSpace());
pPolyAction = ActionSharedPtr ( internal::PolyPolyActionFactory::createPolyPolyAction( localPolygon, rParms.mrCanvas, rState ) );
}
- else if (brush->type == 3 || brush->type == 4)
+ else if (brush->type == BrushTypeTextureFill)
{
- if (brush->type == 3 && !(brush->additionalFlags & 0x1))
- return; // we are unable to parse these brushes yet
-
+ SAL_WARN("cppcanvas.emf", "EMF+\tTODO: implement BrushTypeTextureFill brush");
+ }
+ else if (brush->type == BrushTypePathGradient || brush->type == BrushTypeLinearGradient)
+ {
+ if (brush->type == BrushTypePathGradient && !(brush->additionalFlags & 0x1))
+ {
+ SAL_WARN("cppcanvas.emf", "EMF+\t TODO Verify proper displaying of BrushTypePathGradient with flags: " << std::hex << brush->additionalFlags << std::dec);
+ }
::basegfx::B2DHomMatrix aTextureTransformation;
::basegfx::B2DHomMatrix aWorldTransformation;
::basegfx::B2DHomMatrix aBaseTransformation;
@@ -395,14 +400,13 @@ namespace cppcanvas
aBaseTransformation.set (1, 1, aBaseTransform.eM22);
aBaseTransformation.set (1, 2, aBaseTransform.eDy);
- if (brush->type == 4) {
- aTextureTransformation.scale (brush->areaWidth, brush->areaHeight);
- aTextureTransformation.translate (brush->areaX, brush->areaY);
- } else {
+ // TODO Verify on example image, why there is shift (-0.5, -0.5)
+ if (brush->type == BrushTypePathGradient && (brush->additionalFlags & 0x1))
+ {
aTextureTransformation.translate (-0.5, -0.5);
- aTextureTransformation.scale (brush->areaWidth, brush->areaHeight);
- aTextureTransformation.translate (brush->areaX,brush->areaY);
}
+ aTextureTransformation.scale (brush->areaWidth, brush->areaHeight);
+ aTextureTransformation.translate (brush->areaX, brush->areaY);
if (brush->hasTransformation) {
::basegfx::B2DHomMatrix aTransformation;
@@ -452,7 +456,7 @@ namespace cppcanvas
aStops[i] = brush->blendPositions [i];
for (int j = 0; j < length; j++) {
- if (brush->type == 4) {
+ if (brush->type == BrushTypeLinearGradient) {
aColor [j] = aStartColor [j]*(1 - brush->blendFactors[i]) + aEndColor [j]*brush->blendFactors[i];
} else
aColor [j] = aStartColor [j]*brush->blendFactors[i] + aEndColor [j]*(1 - brush->blendFactors[i]);
@@ -467,14 +471,14 @@ namespace cppcanvas
for (int i = 0; i < brush->colorblendPoints; i++) {
aStops[i] = brush->colorblendPositions [i];
- aColors[(brush->type == 4) ? i : brush->colorblendPoints - 1 - i] = vcl::unotools::colorToDoubleSequence( brush->colorblendColors [i],
+ aColors[(brush->type == BrushTypeLinearGradient) ? i : brush->colorblendPoints - 1 - i] = vcl::unotools::colorToDoubleSequence( brush->colorblendColors [i],
rParms.mrCanvas->getUNOCanvas()->getDevice()->getDeviceColorSpace() );
}
} else {
aStops[0] = 0.0;
aStops[1] = 1.0;
- if (brush->type == 4) {
+ if (brush->type == BrushTypeLinearGradient) {
aColors[0] = aStartColor;
aColors[1] = aEndColor;
} else {
@@ -485,7 +489,7 @@ namespace cppcanvas
SAL_INFO("cppcanvas.emf", "EMF+\t\tset gradient");
basegfx::B2DRange aBoundsRectangle (0, 0, 1, 1);
- if (brush->type == 4) {
+ if (brush->type == BrushTypeLinearGradient) {
aGradientService = "LinearGradient";
aGradInfo = basegfx::tools::createLinearODFGradientInfo(
aBoundsRectangle,