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draw trigon to different image which is painter over background with clipping

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This commit is contained in:
iLLiCiTiT 2021-06-12 12:30:39 +02:00
parent fbea4e4f9d
commit c9b30f2768
1 changed files with 19 additions and 3 deletions
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22
openpype/widgets/color_widgets/color_triangle.py
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@ -241,7 +241,11 @@ class QtColorTriangle(QtWidgets.QWidget):
# Blit the static generated background with the hue gradient onto
# the double buffer.
buf = QtGui.QImage(self.bg_image.copy())
buf = QtGui.QImage(
self.bg_image.width(),
self.bg_image.height(),
QtGui.QImage.Format_RGB32
)
# Draw the trigon
# Find the color with only the hue, and max value and saturation
@ -254,9 +258,21 @@ class QtColorTriangle(QtWidgets.QWidget):
)
# Slow step: convert the image to a pixmap
pix = QtGui.QPixmap.fromImage(buf)
pix = self.bg_image.copy()
pix_painter = QtGui.QPainter(pix)
pix_painter.setRenderHint(QtGui.QPainter.Antialiasing)
pix_painter.setRenderHint(QtGui.QPainter.HighQualityAntialiasing)
trigon_path = QtGui.QPainterPath()
trigon_path.moveTo(self.point_a)
trigon_path.lineTo(self.point_b)
trigon_path.lineTo(self.point_c)
trigon_path.closeSubpath()
pix_painter.setClipPath(trigon_path)
pix_painter.drawImage(0, 0, buf)
pix_painter.setClipping(False)
# Draw an outline of the triangle
pix_painter.setPen(self._triangle_outline_pen)