def paintEvent(self, ev):
color = self.palette().color(QPalette.Highlight)
painter = QPainter(self)
# Filled rectangle.
painter.setClipRect(self.rect())
color.setAlpha(50)
painter.fillRect(self.rect().adjusted(2,2,-2,-2), color)
# Thin rectangle outside.
color.setAlpha(150)
painter.setPen(color)
painter.drawRect(self.rect().adjusted(0,0,-1,-1))
# Pseudo-handles at the corners and sides
color.setAlpha(100)
pen = QPen(color)
pen.setWidth(8)
painter.setPen(pen)
painter.setBackgroundMode(Qt.OpaqueMode)
# Clip at 4 corners
region = QRegion(QRect(0,0,20,20))
region += QRect(self.rect().width()-20, 0, 20, 20)
region += QRect(self.rect().width()-20, self.rect().height()-20, 20, 20)
region += QRect(0, self.rect().height()-20, 20, 20)
# Clip middles
region += QRect(0, self.rect().height()/2-10, self.rect().width(), 20)
region += QRect(self.rect().width()/2-10, 0, 20, self.rect().height())
# Draw thicker rectangles, clipped at corners and sides.
painter.setClipRegion(region)
painter.drawRect(self.rect())
def _render_qwebpage_full(web_page, logger, viewport_size, image_size):
image = QImage(image_size, QImage.Format_ARGB32)
image.fill(0)
painter = QPainter(image)
try:
painter.setRenderHint(QPainter.Antialiasing, True)
painter.setRenderHint(QPainter.TextAntialiasing, True)
painter.setRenderHint(QPainter.SmoothPixmapTransform, True)
painter.setWindow(QRect(QPoint(0, 0), web_page.viewportSize()))
painter.setViewport(QRect(QPoint(0, 0), viewport_size))
if image_size != viewport_size:
# Try not to draw stuff that won't fit into the image. Clipping
# must be specified in input (aka logical) coordinates, but we know
# it in output (aka physical) coordinates, so we have to do an
# inverse transformation. If, for some reason, we cannot, skip the
# clipping altogether.
clip_rect = QRect(QPoint(0, 0), viewport_size)
inv_transform, invertible = painter.combinedTransform().inverted()
if invertible:
painter.setClipRect(inv_transform.mapRect(clip_rect))
web_page.mainFrame().render(painter)
finally:
# It is important to end painter explicitly in python code, because
# Python finalizer invocation order, unlike C++ destructors, is not
# deterministic and there is a possibility of image's finalizer running
# before painter's which may break tests and kill your cat.
painter.end()
return qimage_to_pil_image(image)
def _render_qwebpage_full(self, web_rect, render_rect, canvas_size):
"""Render web page in one step."""
if self._qpainter_needs_tiling(render_rect, canvas_size):
# If this condition is true, this function may get stuck.
raise ValueError("Rendering region is too large to be drawn"
" in one step, use tile-by-tile renderer instead")
canvas = QImage(canvas_size, self.qt_image_format)
if self.is_jpeg():
# White background for JPEG images, same as we have in all browsers.
canvas.fill(Qt.white)
else:
# Preserve old behaviour for PNG format.
canvas.fill(0)
painter = QPainter(canvas)
try:
painter.setRenderHint(QPainter.Antialiasing, True)
painter.setRenderHint(QPainter.TextAntialiasing, True)
painter.setRenderHint(QPainter.SmoothPixmapTransform, True)
painter.setWindow(web_rect)
painter.setViewport(render_rect)
painter.setClipRect(web_rect)
self.web_page.mainFrame().render(painter)
finally:
painter.end()
return WrappedQImage(canvas)
def _plot(self, width, height, paint_device, plot_object = None, plot_method = None):
if not plot_object:
plot_object = self.controller
if not plot_method:
plot_method = plot_object.plot
plot_object.setPlotWindow(width, height)
canvas = DiPaintGLCanvas(paint_device)
glpainter = DiPaintGLPainter(canvas)
painter = QPainter()
painter.begin(canvas.device())
glpainter.begin(painter)
painter.setRenderHints(self.renderHints)
painter.setClipRect(QRect(0, 0, width, height))
glpainter.Viewport(0, 0, width, height)
value = plot_method(glpainter)
transform = glpainter.transform
glpainter.end()
painter.end()
return paint_device, value, transform
def paintEvent(self, event):
"""
Paint the interpolated pixmap image.
"""
p = QPainter(self)
p.setClipRect(event.rect())
factor = self.blendingFactor_ ** 2
if self.pixmap1 and 1. - factor:
p.setOpacity(1. - factor)
p.drawPixmap(QPoint(0, 0), self.pixmap1)
if self.pixmap2 and factor:
p.setOpacity(factor)
p.drawPixmap(QPoint(0, 0), self.pixmap2)
def paintEvent(self, ev):
rect = ev.rect()
s = self._square
rows = range(rect.top() // s, rect.bottom() // s + 1)
cols = range(rect.left() // s, rect.right() // s + 1)
painter = QPainter(self)
painter.setPen(QPen(self.palette().color(QPalette.Window)))
painter.setFont(self._font)
metrics = QFontMetrics(self._font)
# draw characters on white tiles
tile = self.palette().color(QPalette.Base)
selected_tile = self.palette().color(QPalette.Highlight)
selected_tile.setAlpha(96)
selected_box = self.palette().color(QPalette.Highlight)
text_pen = QPen(self.palette().text())
disabled_pen = QPen(self.palette().color(QPalette.Disabled,
QPalette.Text))
selection_pen = QPen(selected_box)
for row in rows:
for col in cols:
char = row * self._column_count + col + self._range[0]
if char > self._range[1]:
break
printable = self.isprint(char)
painter.setClipRect(col * s, row * s, s, s)
if char == self._selected:
painter.fillRect(col * s + 1, row * s + 1, s - 2, s - 2,
selected_tile)
painter.setPen(selection_pen)
painter.drawRect(col * s, row * s, s - 1, s - 1)
elif printable:
painter.fillRect(col * s + 1, row * s + 1, s - 2, s - 2,
tile)
painter.setPen(text_pen if printable else disabled_pen)
t = chr(char)
x = col * s + s // 2 - metrics.width(t) // 2
y = row * s + 4 + metrics.ascent()
painter.drawText(x, y, t)
else:
continue
break
def paintEvent(self, ev):
rect = ev.rect()
s = self._square
rows = range(rect.top() // s, rect.bottom() // s + 1)
cols = range(rect.left() // s, rect.right() // s + 1)
painter = QPainter(self)
painter.setPen(QPen(self.palette().color(QPalette.Window)))
painter.setFont(self._font)
metrics = QFontMetrics(self._font)
# draw characters on white tiles
tile = self.palette().color(QPalette.Base)
selected_tile = self.palette().color(QPalette.Highlight)
selected_tile.setAlpha(96)
selected_box = self.palette().color(QPalette.Highlight)
text_pen = QPen(self.palette().text())
disabled_pen = QPen(self.palette().color(QPalette.Disabled, QPalette.Text))
selection_pen = QPen(selected_box)
for row in rows:
for col in cols:
char = row * self._column_count + col + self._range[0]
if char > self._range[1]:
break
printable = self.isprint(char)
painter.setClipRect(col * s, row * s, s, s)
if char == self._selected:
painter.fillRect(col * s + 1, row * s + 1, s - 2, s - 2, selected_tile)
painter.setPen(selection_pen)
painter.drawRect(col * s, row * s, s - 1, s - 1)
elif printable:
painter.fillRect(col * s + 1, row * s + 1, s - 2, s - 2, tile)
painter.setPen(text_pen if printable else disabled_pen)
t = chr(char)
x = col * s + s // 2 - metrics.width(t) // 2
y = row * s + 4 + metrics.ascent()
painter.drawText(x, y, t)
else:
continue
break
def _render_qwebpage_full(web_page, logger,
web_rect, render_rect, canvas_size):
"""Render web page in one step."""
if _qpainter_needs_tiling(render_rect, canvas_size):
# If this condition is true, this function may get stuck.
raise ValueError("Rendering region is too large to be drawn"
" in one step, use tile-by-tile renderer instead")
canvas = QImage(canvas_size, QImage.Format_ARGB32)
canvas.fill(0)
painter = QPainter(canvas)
try:
painter.setRenderHint(QPainter.Antialiasing, True)
painter.setRenderHint(QPainter.TextAntialiasing, True)
painter.setRenderHint(QPainter.SmoothPixmapTransform, True)
painter.setWindow(web_rect)
painter.setViewport(render_rect)
painter.setClipRect(web_rect)
web_page.mainFrame().render(painter)
finally:
painter.end()
return WrappedQImage(canvas)
def paintEvent(self, ev):
color = self.palette().color(QPalette.Highlight)
painter = QPainter(self)
# Filled rectangle.
painter.setClipRect(self.rect())
color.setAlpha(50)
painter.fillRect(self.rect().adjusted(2, 2, -2, -2), color)
# Thin rectangle outside.
color.setAlpha(150)
painter.setPen(color)
painter.drawRect(self.rect().adjusted(0, 0, -1, -1))
# Pseudo-handles at the corners and sides
color.setAlpha(100)
pen = QPen(color)
pen.setWidth(8)
painter.setPen(pen)
painter.setBackgroundMode(Qt.OpaqueMode)
# Clip at 4 corners
region = QRegion(QRect(0, 0, 20, 20))
region += QRect(self.rect().width() - 20, 0, 20, 20)
region += QRect(self.rect().width() - 20,
self.rect().height() - 20, 20, 20)
region += QRect(0, self.rect().height() - 20, 20, 20)
# Clip middles
region += QRect(0,
self.rect().height() / 2 - 10,
self.rect().width(), 20)
region += QRect(self.rect().width() / 2 - 10, 0, 20,
self.rect().height())
# Draw thicker rectangles, clipped at corners and sides.
painter.setClipRegion(region)
painter.drawRect(self.rect())
