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Mesh quality settings

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This commit is contained in:
Jakub Melka
2019-09-28 18:26:31 +02:00
parent 9941438e99
commit b09f9eff21
17 changed files with 335 additions and 68 deletions
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15
PdfForQtLib/sources/pdfpattern.cpp
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@ -903,7 +903,7 @@ PDFMesh PDFAxialShading::createMesh(const PDFMeshQualitySettings& settings) cons
{
// We will skip this coordinate, if both of meshing criteria have been met:
// 1) Color difference is small (lesser than tolerance)
// 2) Distance from previous and next point is less than preffered meshing resolution OR colors are equal
// 2) Distance from previous and next point is less than preferred meshing resolution OR colors are equal
if (it != coloredCoordinates.cbegin() && std::next(it) != coloredCoordinates.cend())
{
@ -1083,15 +1083,12 @@ QPointF PDFMesh::getTriangleCenter(const PDFMesh::Triangle& triangle) const
return (m_vertices[triangle.v1] + m_vertices[triangle.v2] + m_vertices[triangle.v3]) / 3.0;
}
void PDFMeshQualitySettings::initDefaultResolution()
void PDFMeshQualitySettings::initResolution()
{
// We will take 0.5% percent of device space meshing area as minimal resolution (it is ~1.5 mm for
// A4 page) and default resolution 4x number of that.
Q_ASSERT(deviceSpaceMeshingArea.isValid());
PDFReal size = qMax(deviceSpaceMeshingArea.width(), deviceSpaceMeshingArea.height());
minimalMeshResolution = size * 0.005;
preferredMeshResolution = minimalMeshResolution * 4;
minimalMeshResolution = size * minimalMeshResolutionRatio;
preferredMeshResolution = size * qMax(preferredMeshResolutionRatio, minimalMeshResolutionRatio);
}
ShadingType PDFRadialShading::getShadingType() const
@ -1272,7 +1269,7 @@ PDFMesh PDFRadialShading::createMesh(const PDFMeshQualitySettings& settings) con
{
// We will skip this coordinate, if both of meshing criteria have been met:
// 1) Color difference is small (lesser than tolerance)
// 2) Distance from previous and next point is less than preffered meshing resolution OR colors are equal
// 2) Distance from previous and next point is less than preferred meshing resolution OR colors are equal
if (it != coloredCoordinates.cbegin() && std::next(it) != coloredCoordinates.cend())
{
@ -2610,6 +2607,4 @@ PDFMesh PDFCoonsPatchShading::createMesh(const PDFMeshQualitySettings& settings)
return mesh;
}
// TODO: Implement settings of meshing in the settings dialog
} // namespace pdf