def renderDocument(self,
plot,
filename,
sizeMM=(300, 200),
resolution=85,
format_=None):
if isinstance(sizeMM, tuple):
sizeMM = QSizeF(*sizeMM)
if format_ is None:
ext = osp.splitext(filename)[1]
if not ext:
raise TypeError(
"Unable to determine target format from filename")
format_ = ext[1:]
if plot is None or sizeMM.isEmpty() or resolution <= 0:
return
title = plot.title().text()
if not title:
title = "Plot Document"
mmToInch = 1. / 25.4
size = sizeMM * mmToInch * resolution
documentRect = QRectF(0.0, 0.0, size.width(), size.height())
fmt = format_.lower()
if fmt in ("pdf", "ps"):
printer = QPrinter()
if fmt == "pdf":
printer.setOutputFormat(QPrinter.PdfFormat)
else:
printer.setOutputFormat(QPrinter.PostScriptFormat)
printer.setColorMode(QPrinter.Color)
printer.setFullPage(True)
printer.setPaperSize(sizeMM, QPrinter.Millimeter)
printer.setDocName(title)
printer.setOutputFileName(filename)
printer.setResolution(resolution)
painter = QPainter(printer)
self.render(plot, painter, documentRect)
painter.end()
elif fmt == "svg":
generator = QSvgGenerator()
generator.setTitle(title)
generator.setFileName(filename)
generator.setResolution(resolution)
generator.setViewBox(documentRect)
painter = QPainter(generator)
self.render(plot, painter, documentRect)
painter.end()
elif fmt in QImageWriter.supportedImageFormats():
imageRect = documentRect.toRect()
dotsPerMeter = int(round(resolution * mmToInch * 1000.))
image = QImage(imageRect.size(), QImage.Format_ARGB32)
image.setDotsPerMeterX(dotsPerMeter)
image.setDotsPerMeterY(dotsPerMeter)
image.fill(QColor(Qt.white).rgb())
painter = QPainter(image)
self.render(plot, painter, imageRect)
painter.end()
image.save(filename, fmt)
else:
raise TypeError("Unsupported file format '%s'" % fmt)
def renderDocument(self, plot, filename, sizeMM=(300, 200), resolution=85,
format_=None):
if isinstance(sizeMM, tuple):
sizeMM = QSizeF(*sizeMM)
if format_ is None:
ext = osp.splitext(filename)[1]
if not ext:
raise TypeError("Unable to determine target format from filename")
format_ = ext[1:]
if plot is None or sizeMM.isEmpty() or resolution <= 0:
return
title = plot.title().text()
if not title:
title = "Plot Document"
mmToInch = 1./25.4
size = sizeMM * mmToInch * resolution
documentRect = QRectF(0.0, 0.0, size.width(), size.height())
fmt = format_.lower()
if fmt in ("pdf", "ps"):
printer = QPrinter()
if fmt == "pdf":
printer.setOutputFormat(QPrinter.PdfFormat)
else:
printer.setOutputFormat(QPrinter.PostScriptFormat)
printer.setColorMode(QPrinter.Color)
printer.setFullPage(True)
printer.setPaperSize(sizeMM, QPrinter.Millimeter)
printer.setDocName(title)
printer.setOutputFileName(filename)
printer.setResolution(resolution)
painter = QPainter(printer)
self.render(plot, painter, documentRect)
painter.end()
elif fmt == "svg":
generator = QSvgGenerator()
generator.setTitle(title)
generator.setFileName(filename)
generator.setResolution(resolution)
generator.setViewBox(documentRect)
painter = QPainter(generator)
self.render(plot, painter, documentRect)
painter.end()
elif fmt in QImageWriter.supportedImageFormats():
imageRect = documentRect.toRect()
dotsPerMeter = int(round(resolution*mmToInch*1000.))
image = QImage(imageRect.size(), QImage.Format_ARGB32)
image.setDotsPerMeterX(dotsPerMeter)
image.setDotsPerMeterY(dotsPerMeter)
image.fill(QColor(Qt.white).rgb())
painter = QPainter(image)
self.render(plot, painter, imageRect)
painter.end()
image.save(filename, fmt)
else:
raise TypeError("Unsupported file format '%s'" % fmt)
def activate(self, plot, plotRect, options=0x00):
self.invalidate()
rect = QRectF(plotRect)
self.__data.layoutData.init(plot, rect)
if not (options & self.IgnoreLegend) and plot.legend() and\
not plot.legend().isEmpty():
self.__data.legendRect = self.layoutLegend(options, rect)
region = QRegion(rect.toRect())
rect = region.subtracted(QRegion(
self.__data.legendRect.toRect())).boundingRect()
if self.__data.legendPos == QwtPlot.LeftLegend:
rect.setLeft(rect.left() + self.__data.spacing)
elif self.__data.legendPos == QwtPlot.RightLegend:
rect.setRight(rect.right() - self.__data.spacing)
elif self.__data.legendPos == QwtPlot.TopLegend:
rect.setTop(rect.top() + self.__data.spacing)
elif self.__data.legendPos == QwtPlot.BottomLegend:
rect.setBottom(rect.bottom() - self.__data.spacing)
# +---+-----------+---+
# | Title |
# +---+-----------+---+
# | | Axis | |
# +---+-----------+---+
# | A | | A |
# | x | Canvas | x |
# | i | | i |
# | s | | s |
# +---+-----------+---+
# | | Axis | |
# +---+-----------+---+
# | Footer |
# +---+-----------+---+
dimTitle, dimFooter, dimAxes = self.expandLineBreaks(options, rect)
if dimTitle > 0:
self.__data.titleRect.setRect(rect.left(), rect.top(),
rect.width(), dimTitle)
rect.setTop(self.__data.titleRect.bottom() + self.__data.spacing)
if self.__data.layoutData.scale[QwtPlot.yLeft].isEnabled !=\
self.__data.layoutData.scale[QwtPlot.yRight].isEnabled:
self.__data.titleRect.setX(rect.left() +
dimAxes[QwtPlot.yLeft])
self.__data.titleRect.setWidth(rect.width()\
-dimAxes[QwtPlot.yLeft]-dimAxes[QwtPlot.yRight])
if dimFooter > 0:
self.__data.footerRect.setRect(rect.left(),
rect.bottom() - dimFooter,
rect.width(), dimFooter)
rect.setBottom(self.__data.footerRect.top() - self.__data.spacing)
if self.__data.layoutData.scale[QwtPlot.yLeft].isEnabled !=\
self.__data.layoutData.scale[QwtPlot.yRight].isEnabled:
self.__data.footerRect.setX(rect.left() +
dimAxes[QwtPlot.yLeft])
self.__data.footerRect.setWidth(rect.width()\
-dimAxes[QwtPlot.yLeft]-dimAxes[QwtPlot.yRight])
self.__data.canvasRect.setRect(
rect.x() + dimAxes[QwtPlot.yLeft],
rect.y() + dimAxes[QwtPlot.xTop],
rect.width() - dimAxes[QwtPlot.yRight] - dimAxes[QwtPlot.yLeft],
rect.height() - dimAxes[QwtPlot.xBottom] - dimAxes[QwtPlot.xTop])
for axis in range(QwtPlot.axisCnt):
if dimAxes[axis]:
dim = dimAxes[axis]
scaleRect = self.__data.scaleRect[axis]
scaleRect.setRect(*self.__data.canvasRect.getRect())
if axis == QwtPlot.yLeft:
scaleRect.setX(self.__data.canvasRect.left() - dim)
scaleRect.setWidth(dim)
elif axis == QwtPlot.yRight:
scaleRect.setX(self.__data.canvasRect.right())
scaleRect.setWidth(dim)
elif axis == QwtPlot.xBottom:
scaleRect.setY(self.__data.canvasRect.bottom())
scaleRect.setHeight(dim)
elif axis == QwtPlot.xTop:
scaleRect.setY(self.__data.canvasRect.top() - dim)
scaleRect.setHeight(dim)
scaleRect = scaleRect.normalized()
# +---+-----------+---+
# | <- Axis -> |
# +-^-+-----------+-^-+
# | | | | | |
# | | | |
# | A | | A |
# | x | Canvas | x |
# | i | | i |
# | s | | s |
# | | | |
# | | | | | |
# +-V-+-----------+-V-+
# | <- Axis -> |
# +---+-----------+---+
self.alignScales(options, self.__data.canvasRect,
self.__data.scaleRect)
if not self.__data.legendRect.isEmpty():
self.__data.legendRect = self.alignLegend(self.__data.canvasRect,
self.__data.legendRect)
def activate(self, plot, plotRect, options=0x00):
"""
Recalculate the geometry of all components.
:param qwt.plot.QwtPlot plot: Plot to be layout
:param QRectF plotRect: Rectangle where to place the components
:param options: Layout options
"""
self.invalidate()
rect = QRectF(plotRect)
self.__data.layoutData.init(plot, rect)
if not (options & self.IgnoreLegend) and plot.legend() and\
not plot.legend().isEmpty():
self.__data.legendRect = self.layoutLegend(options, rect)
region = QRegion(rect.toRect())
rect = region.subtracted(QRegion(self.__data.legendRect.toRect())
).boundingRect()
if self.__data.legendPos == QwtPlot.LeftLegend:
rect.setLeft(rect.left()+self.__data.spacing)
elif self.__data.legendPos == QwtPlot.RightLegend:
rect.setRight(rect.right()-self.__data.spacing)
elif self.__data.legendPos == QwtPlot.TopLegend:
rect.setTop(rect.top()+self.__data.spacing)
elif self.__data.legendPos == QwtPlot.BottomLegend:
rect.setBottom(rect.bottom()-self.__data.spacing)
# +---+-----------+---+
# | Title |
# +---+-----------+---+
# | | Axis | |
# +---+-----------+---+
# | A | | A |
# | x | Canvas | x |
# | i | | i |
# | s | | s |
# +---+-----------+---+
# | | Axis | |
# +---+-----------+---+
# | Footer |
# +---+-----------+---+
# title, footer and axes include text labels. The height of each
# label depends on its line breaks, that depend on the width
# for the label. A line break in a horizontal text will reduce
# the available width for vertical texts and vice versa.
# expandLineBreaks finds the height/width for title, footer and axes
# including all line breaks.
dimTitle, dimFooter, dimAxes = self.expandLineBreaks(options, rect)
if dimTitle > 0:
self.__data.titleRect.setRect(rect.left(), rect.top(),
rect.width(), dimTitle)
rect.setTop(self.__data.titleRect.bottom()+self.__data.spacing)
if self.__data.layoutData.scale[QwtPlot.yLeft].isEnabled !=\
self.__data.layoutData.scale[QwtPlot.yRight].isEnabled:
self.__data.titleRect.setX(rect.left()+dimAxes[QwtPlot.yLeft])
self.__data.titleRect.setWidth(rect.width()\
-dimAxes[QwtPlot.yLeft]-dimAxes[QwtPlot.yRight])
if dimFooter > 0:
self.__data.footerRect.setRect(rect.left(),
rect.bottom()-dimFooter, rect.width(), dimFooter)
rect.setBottom(self.__data.footerRect.top()-self.__data.spacing)
if self.__data.layoutData.scale[QwtPlot.yLeft].isEnabled !=\
self.__data.layoutData.scale[QwtPlot.yRight].isEnabled:
self.__data.footerRect.setX(rect.left()+dimAxes[QwtPlot.yLeft])
self.__data.footerRect.setWidth(rect.width()\
-dimAxes[QwtPlot.yLeft]-dimAxes[QwtPlot.yRight])
self.__data.canvasRect.setRect(
rect.x()+dimAxes[QwtPlot.yLeft],
rect.y()+dimAxes[QwtPlot.xTop],
rect.width()-dimAxes[QwtPlot.yRight]-dimAxes[QwtPlot.yLeft],
rect.height()-dimAxes[QwtPlot.xBottom]-dimAxes[QwtPlot.xTop])
for axis in QwtPlot.validAxes:
if dimAxes[axis]:
dim = dimAxes[axis]
scaleRect = self.__data.scaleRect[axis]
scaleRect.setRect(*self.__data.canvasRect.getRect())
if axis == QwtPlot.yLeft:
scaleRect.setX(self.__data.canvasRect.left()-dim)
scaleRect.setWidth(dim)
elif axis == QwtPlot.yRight:
scaleRect.setX(self.__data.canvasRect.right())
scaleRect.setWidth(dim)
elif axis == QwtPlot.xBottom:
scaleRect.setY(self.__data.canvasRect.bottom())
scaleRect.setHeight(dim)
elif axis == QwtPlot.xTop:
scaleRect.setY(self.__data.canvasRect.top()-dim)
scaleRect.setHeight(dim)
scaleRect = scaleRect.normalized()
# +---+-----------+---+
# | <- Axis -> |
# +-^-+-----------+-^-+
# | | | | | |
# | | | |
# | A | | A |
# | x | Canvas | x |
# | i | | i |
# | s | | s |
# | | | |
# | | | | | |
# +-V-+-----------+-V-+
# | <- Axis -> |
# +---+-----------+---+
# The ticks of the axes - not the labels above - should
# be aligned to the canvas. So we try to use the empty
# corners to extend the axes, so that the label texts
# left/right of the min/max ticks are moved into them.
self.alignScales(options, self.__data.canvasRect,
self.__data.scaleRect)
if not self.__data.legendRect.isEmpty():
self.__data.legendRect = self.alignLegend(self.__data.canvasRect,
self.__data.legendRect)
def activate(self, plot, plotRect, options=0x00):
self.invalidate()
rect = QRectF(plotRect)
self.__data.layoutData.init(plot, rect)
if not (options & self.IgnoreLegend) and plot.legend() and\
not plot.legend().isEmpty():
self.__data.legendRect = self.layoutLegend(options, rect)
region = QRegion(rect.toRect())
rect = region.subtracted(QRegion(self.__data.legendRect.toRect())
).boundingRect()
if self.__data.legendPos == QwtPlot.LeftLegend:
rect.setLeft(rect.left()+self.__data.spacing)
elif self.__data.legendPos == QwtPlot.RightLegend:
rect.setRight(rect.right()-self.__data.spacing)
elif self.__data.legendPos == QwtPlot.TopLegend:
rect.setTop(rect.top()+self.__data.spacing)
elif self.__data.legendPos == QwtPlot.BottomLegend:
rect.setBottom(rect.bottom()-self.__data.spacing)
# +---+-----------+---+
# | Title |
# +---+-----------+---+
# | | Axis | |
# +---+-----------+---+
# | A | | A |
# | x | Canvas | x |
# | i | | i |
# | s | | s |
# +---+-----------+---+
# | | Axis | |
# +---+-----------+---+
# | Footer |
# +---+-----------+---+
dimTitle, dimFooter, dimAxes = self.expandLineBreaks(options, rect)
if dimTitle > 0:
self.__data.titleRect.setRect(rect.left(), rect.top(),
rect.width(), dimTitle)
rect.setTop(self.__data.titleRect.bottom()+self.__data.spacing)
if self.__data.layoutData.scale[QwtPlot.yLeft].isEnabled !=\
self.__data.layoutData.scale[QwtPlot.yRight].isEnabled:
self.__data.titleRect.setX(rect.left()+dimAxes[QwtPlot.yLeft])
self.__data.titleRect.setWidth(rect.width()\
-dimAxes[QwtPlot.yLeft]-dimAxes[QwtPlot.yRight])
if dimFooter > 0:
self.__data.footerRect.setRect(rect.left(),
rect.bottom()-dimFooter, rect.width(), dimFooter)
rect.setBottom(self.__data.footerRect.top()-self.__data.spacing)
if self.__data.layoutData.scale[QwtPlot.yLeft].isEnabled !=\
self.__data.layoutData.scale[QwtPlot.yRight].isEnabled:
self.__data.footerRect.setX(rect.left()+dimAxes[QwtPlot.yLeft])
self.__data.footerRect.setWidth(rect.width()\
-dimAxes[QwtPlot.yLeft]-dimAxes[QwtPlot.yRight])
self.__data.canvasRect.setRect(
rect.x()+dimAxes[QwtPlot.yLeft],
rect.y()+dimAxes[QwtPlot.xTop],
rect.width()-dimAxes[QwtPlot.yRight]-dimAxes[QwtPlot.yLeft],
rect.height()-dimAxes[QwtPlot.xBottom]-dimAxes[QwtPlot.xTop])
for axis in range(QwtPlot.axisCnt):
if dimAxes[axis]:
dim = dimAxes[axis]
scaleRect = self.__data.scaleRect[axis]
scaleRect.setRect(*self.__data.canvasRect.getRect())
if axis == QwtPlot.yLeft:
scaleRect.setX(self.__data.canvasRect.left()-dim)
scaleRect.setWidth(dim)
elif axis == QwtPlot.yRight:
scaleRect.setX(self.__data.canvasRect.right())
scaleRect.setWidth(dim)
elif axis == QwtPlot.xBottom:
scaleRect.setY(self.__data.canvasRect.bottom())
scaleRect.setHeight(dim)
elif axis == QwtPlot.xTop:
scaleRect.setY(self.__data.canvasRect.top()-dim)
scaleRect.setHeight(dim)
scaleRect = scaleRect.normalized()
# +---+-----------+---+
# | <- Axis -> |
# +-^-+-----------+-^-+
# | | | | | |
# | | | |
# | A | | A |
# | x | Canvas | x |
# | i | | i |
# | s | | s |
# | | | |
# | | | | | |
# +-V-+-----------+-V-+
# | <- Axis -> |
# +---+-----------+---+
self.alignScales(options, self.__data.canvasRect,
self.__data.scaleRect)
if not self.__data.legendRect.isEmpty():
self.__data.legendRect = self.alignLegend(self.__data.canvasRect,
self.__data.legendRect)
