def shadowTemplatePixmap(color, length):
"""
Returns 1 pixel wide, `length` pixels long linear-gradient.
Args:
color (QColor): shadow color
length (int): length of cast shadow
"""
key = "InnerShadowTemplate " + \
color.name() + " " + \
str(length)
# get cached template
shadowPixmap = QPixmapCache.find(key)
if shadowPixmap:
return shadowPixmap
shadowPixmap = QPixmap(1, length)
shadowPixmap.fill(Qt.transparent)
grad = QLinearGradient(0, 0, 0, length)
grad.setColorAt(0, color)
grad.setColorAt(1, Qt.transparent)
painter = QPainter()
painter.begin(shadowPixmap)
painter.fillRect(shadowPixmap.rect(), grad)
painter.end()
# cache template
QPixmapCache.insert(key, shadowPixmap)
return shadowPixmap
def createContPalettePixmap(width, height, color1, color2, passThroughBlack):
p = QPainter()
img = QPixmap(width, height)
p.begin(img)
#p.eraseRect(0, 0, w, h)
p.setPen(QPen(Qt.NoPen))
g = QLinearGradient(0, 0, width, height)
g.setColorAt(0, color1)
g.setColorAt(1, color2)
if passThroughBlack:
g.setColorAt(0.5, Qt.black)
p.fillRect(img.rect(), QBrush(g))
return img
def createExContPalettePixmap(width, height, color1, color2, passThroughColors):
p = QPainter()
img = QPixmap(width, height)
p.begin(img)
#p.eraseRect(0, 0, w, h)
p.setPen(QPen(Qt.NoPen))
g = QLinearGradient(0, 0, width, height)
g.setColorAt(0, color1)
g.setColorAt(1, color2)
for i, color in enumerate(passThroughColors):
g.setColorAt(float(i + 1) / (len(passThroughColors) + 1), color)
p.fillRect(img.rect(), QBrush(g))
return img
def createContPalettePixmap(width, height, color1, color2, passThroughBlack):
p = QPainter()
img = QPixmap(width, height)
p.begin(img)
#p.eraseRect(0, 0, w, h)
p.setPen(QPen(Qt.NoPen))
g = QLinearGradient(0, 0, width, height)
g.setColorAt(0, color1)
g.setColorAt(1, color2)
if passThroughBlack:
g.setColorAt(0.5, Qt.black)
p.fillRect(img.rect(), QBrush(g))
return img
def createExContPalettePixmap(width, height, color1, color2, passThroughColors):
p = QPainter()
img = QPixmap(width, height)
p.begin(img)
#p.eraseRect(0, 0, w, h)
p.setPen(QPen(Qt.NoPen))
g = QLinearGradient(0, 0, width, height)
g.setColorAt(0, color1)
g.setColorAt(1, color2)
for i, color in enumerate(passThroughColors):
g.setColorAt(float(i + 1) / (len(passThroughColors) + 1), color)
p.fillRect(img.rect(), QBrush(g))
return img
def __preview_color(self):
"""
Shows selected colors in two QLabel widgets.
The first shows true color, while the second presents the color
with an opacity as seen in the timeline and with some dummy text
to preview readability.
"""
pixmap = QPixmap(50, 25)
color = QColor(*self.color.getRgb())
# Preview color
color.setAlpha(int(255 * 1.0))
pixmap.fill(color)
self._ui.label_color.setPixmap(pixmap)
# Preview color with transparency and some text
color.setAlpha(int(255 * 0.5))
pixmap.fill(color)
painter = QPainter(pixmap)
painter.setFont(QFont('Decorative', 8))
painter.drawText(pixmap.rect(), QtCore.Qt.AlignCenter, "Text")
painter.end()
self._ui.label_color_alpha.setPixmap(pixmap)