def draw(self, endPoint_x, endPoint_y):
painter = QPainter(self.image)
painter.setPen(QPen(
self.myPenColor, self.myPenWidth, QtCore.Qt.SolidLine,
QtCore.Qt.RoundCap, QtCore.Qt.RoundJoin))
painter.setClipping(True)
painter.setRenderHint(QPainter.SmoothPixmapTransform, True)
painter.setRenderHint(QPainter.HighQualityAntialiasing, True)
painter.setRenderHint(QPainter.Antialiasing, True)
painter.setCompositionMode(QPainter.CompositionMode())
if self.tools['circle']:
x1 = self.firstPoint_x
y1 = self.firstPoint_y
x2 = endPoint_x
y2 = endPoint_y
painter.drawEllipse(x1, y1, (x2 - x1), (y2 - y1))
if self.tools['eraser']:
painter.setPen(QPen(QtCore.Qt.white, 10, QtCore.Qt.SolidLine))
painter.drawLine(
self.firstPoint_x, self.firstPoint_y, endPoint_x, endPoint_y)
self.firstPoint_x = endPoint_x
self.firstPoint_y = endPoint_y
if self.tools['pen']:
painter.drawLine(
self.firstPoint_x, self.firstPoint_y, endPoint_x, endPoint_y)
self.firstPoint_x = endPoint_x
self.firstPoint_y = endPoint_y
if self.tools['line'] and self.flag:
painter.drawLine(
self.firstPoint_x, self.firstPoint_y, endPoint_x, endPoint_y)
if self.tools['rect']:
dx = endPoint_x - self.firstPoint_x
dy = endPoint_y - self.firstPoint_y
painter.drawRect(self.firstPoint_x, self.firstPoint_y, dx, dy)
if self.tools['roundRect']:
x1 = self.firstPoint_x
y1 = self.firstPoint_y
dx = endPoint_x - self.firstPoint_x
dy = endPoint_y - self.firstPoint_y
if x1 > endPoint_x and y1 > endPoint_y:
painter.drawRoundedRect(
endPoint_x, endPoint_y, -dx, -dy, 20, 20, 0)
else:
painter.drawRoundedRect(x1, y1, dx, dy, 20., 20.)
self.modified = True
self.update()
def paintEvent(self, event):
mouse_pos = self.mapFromGlobal(QCursor.pos())
is_hover = self.contentsRect().contains(mouse_pos)
QPushButton.paintEvent(self, event)
painter = QPainter(self)
painter.drawPixmap(2, 1, self.icon)
if is_hover:
painter.setCompositionMode(QPainter.CompositionMode_Screen)
painter.drawPixmap(2, 1, self.icon)
def paintEvent(self, event):
mouse_pos = self.mapFromGlobal(QCursor.pos())
is_hover = self.contentsRect().contains(mouse_pos)
if not self.new_ui:
QPushButton.paintEvent(self, event)
painter = QPainter(self)
if self.new_ui and self.isChecked():
painter.setRenderHint(QPainter.Antialiasing)
painter.setPen(QPen(Qt.NoPen))
painter.setBrush(self.highlight)
painter.drawRoundedRect(event.rect(), 2, 2)
painter.drawPixmap(2, 2, self.icon)
if is_hover:
painter.setCompositionMode(QPainter.CompositionMode_Screen)
painter.drawPixmap(2, 2, self.icon)
def fill_pixmap(self, pixmap, origin, position):
origin = self.snap_pos(origin)
pos = self.snap_pos(position)
ox, oy = origin.x(), origin.y()
cx, cy = pos.x(), pos.y()
p = QPainter(pixmap)
p.setCompositionMode(QPainter.CompositionMode_Source)
if self._connect_points:
## This method of extending a line between points works quite well
## but it is very slow when the radius of the circle is large, which
## essential results in a lot of duplicate drawing.
p.translate(ox, oy)
px, py = 0, 0
for x, y in zip(*ski.draw.line(0, 0, cx-ox, cy-oy)):
p.translate(x-px, y-py)
px, py = x, y
self._paint_cursor(p)
else:
p.translate(cx, cy)
self._paint_cursor(p)
p.end()
def drawIconWithShadow(icon, rect, p, iconMode, radius, color, offset):
cache = QPixmap()
pixmapName = "icon {0} {1} {2}".format(icon.cacheKey(), iconMode, rect.height())
if not QPixmapCache.find(pixmapName, cache):
px = icon.pixmap(rect.size())
cache = QPixmap(px.size() + QSize(radius * 2, radius * 2))
cache.fill(Qt.transparent)
cachePainter = QPainter(cache)
if iconMode == QIcon.Disabled:
im = px.toImage().convertToFormat(QImage.Format_ARGB32)
for y in range(im.height()):
scanLine = im.scanLine(y)
for x in range(im.width()):
pixel = scanLine
intensity = qGray(pixel)
scanLine = qRgba(intensity, intensity, intensity, qAlpha(pixel))
scanLine += 1
px = QPixmap.fromImage(im)
# Draw shadow
tmp = QImage(px.size() + QSize(radius * 2, radius * 2 + 1), QImage.Format_ARGB32_Premultiplied)
tmp.fill(Qt.transparent)
tmpPainter = QPainter(tmp)
tmpPainter.setCompositionMode(QPainter.CompositionMode_Source)
tmpPainter.drawPixmap(QPoint(radius, radius), px)
tmpPainter.end()
# blur the alpha channel
blurred = QImage(tmp.size(), QImage.Format_ARGB32_Premultiplied)
blurred.fill(Qt.transparent)
blurPainter = QPainter(blurred)
# todo : blur image
blurPainter.end()
tmp = blurred
# blacken the image
tmpPainter.begin(tmp)
tmpPainter.setCompositionMode(QPainter.CompositionMode_SourceIn)
tmpPainter.fillRect(tmp.rect(), color)
tmpPainter.end()
tmpPainter.begin(tmp)
tmpPainter.setCompositionMode(QPainter.CompositionMode_SourceIn)
tmpPainter.fillRect(tmp.rect(), color)
tmpPainter.end()
# draw the blurred drop shadow...
cachePainter.drawImage(QRect(0, 0, cache.rect().width(), cache.rect().height()), tmp)
# Draw the actual pixmap...
cachePainter.drawPixmap(QPoint(radius, radius) + offset, px)
QPixmapCache.insert(pixmapName, cache)
targetRect = cache.rect()
targetRect.moveCenter(rect.center())
p.drawPixmap(targetRect.topLeft() - offset, cache)
