def testPreviewColorRampHorizontalNoCheckboard(self):
r = QgsGradientColorRamp(QColor(200, 0, 0, 200),
QColor(0, 200, 0, 255))
pix = QgsSymbolLayerUtils.colorRampPreviewPixmap(
r, QSize(200, 100), drawTransparentBackground=False)
img = QImage(pix)
self.assertTrue(
self.imageCheck('color_ramp_no_check', 'color_ramp_no_check', img))
def testPreviewColorRampHorizontal(self):
r = QgsGradientColorRamp(QColor(200, 0, 0, 200),
QColor(0, 200, 0, 255))
pix = QgsSymbolLayerUtils.colorRampPreviewPixmap(r, QSize(200, 100))
img = QImage(pix)
self.assertTrue(
self.imageCheck('color_ramp_horizontal', 'color_ramp_horizontal',
img))
def testPreviewColorRampVertical(self):
r = QgsGradientColorRamp(QColor(200, 0, 0, 200),
QColor(0, 200, 0, 255))
pix = QgsSymbolLayerUtils.colorRampPreviewPixmap(r,
QSize(100, 200),
direction=Qt.Vertical)
img = QImage(pix)
self.assertTrue(
self.imageCheck('color_ramp_vertical', 'color_ramp_vertical', img))
