fenix/PDF4QT
1
0
Fork 0
mirror of https://github.com/JakubMelka/PDF4QT.git synced 2025-06-05 21:59:17 +02:00
Code Issues Packages Projects Releases Wiki Activity

Basic support for transparency

Browse Source
This commit is contained in:
Jakub Melka
2019-09-29 15:44:35 +02:00
parent b09f9eff21
commit c1dfe0280c
10 changed files with 344 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
PdfForQtLib/sources/pdfpattern.cpp
View File

@ -1002,7 +1002,7 @@ PDFMesh PDFAxialShading::createMesh(const PDFMeshQualitySettings& settings) cons
return mesh;
}
void PDFMesh::paint(QPainter* painter) const
void PDFMesh::paint(QPainter* painter, PDFReal alpha) const
{
if (m_triangles.empty())
{
@ -1021,7 +1021,9 @@ void PDFMesh::paint(QPainter* painter) const
if (!m_backgroundPath.isEmpty() && m_backgroundColor.isValid())
{
painter->setBrush(QBrush(m_backgroundColor, Qt::SolidPattern));
QColor backgroundColor = m_backgroundColor;
backgroundColor.setAlphaF(alpha);
painter->setBrush(QBrush(backgroundColor, Qt::SolidPattern));
painter->drawPath(m_backgroundPath);
}
@ -1032,9 +1034,11 @@ void PDFMesh::paint(QPainter* painter) const
{
if (color != triangle.color)
{
painter->setPen(QColor(triangle.color));
painter->setBrush(QBrush(triangle.color, Qt::SolidPattern));
color = triangle.color;
QColor newColor(triangle.color);
newColor.setAlphaF(alpha);
painter->setPen(newColor);
painter->setBrush(QBrush(newColor, Qt::SolidPattern));
color = newColor;
}
std::array<QPointF, 3> triangleCorners = { m_vertices[triangle.v1], m_vertices[triangle.v2], m_vertices[triangle.v3] };