def testSvgMarkerUnitDefault(self):
symbol = QgsSvgMarkerSymbolLayer('symbols/star.svg', 10, 90)
symbol.setFillColor(QColor("blue"))
symbol.setStrokeWidth(1)
symbol.setStrokeColor(QColor('red'))
symbol.setPath('symbols/star.svg')
symbol.setOffset(QPointF(5, 10))
dom, root = self.symbolToSld(symbol)
# print("Svg marker mm: " + dom.toString())
self.assertExternalGraphic(
root, 0,
'symbols/star.svg?fill=%230000ff&fill-opacity=1&outline=%23ff0000&outline-opacity=1&outline-width=4',
'image/svg+xml')
self.assertExternalGraphic(root, 1, 'symbols/star.svg',
'image/svg+xml')
self.assertWellKnownMark(root, 0, 'square', '#0000ff', '#ff0000', 4)
# Check the size has been rescaled
self.assertStaticSize(root, '36')
# Check rotation for good measure
self.assertStaticRotation(root, '90')
self.assertStaticDisplacement(root, 18, 36)
def testSvgMarkerUnitPixels(self):
symbol = QgsSvgMarkerSymbolLayer('symbols/star.svg', 10, 0)
symbol.setFillColor(QColor("blue"))
symbol.setStrokeWidth(1)
symbol.setStrokeColor(QColor('red'))
symbol.setPath('symbols/star.svg')
symbol.setOffset(QPointF(5, 10))
symbol.setOutputUnit(QgsUnitTypes.RenderPixels)
dom, root = self.symbolToSld(symbol)
# print("Svg marker unit px: " + dom.toString())
self.assertExternalGraphic(root, 0,
'symbols/star.svg?fill=%230000ff&fill-opacity=1&outline=%23ff0000&outline-opacity=1&outline-width=1', 'image/svg+xml')
self.assertExternalGraphic(root, 1,
'symbols/star.svg', 'image/svg+xml')
self.assertWellKnownMark(root, 0, 'square', '#0000ff', '#ff0000', 1)
# Check the size has not been rescaled
self.assertStaticSize(root, '10')
self.assertStaticDisplacement(root, 5, 10)
def testSvgMarkerUnitPixels(self):
symbol = QgsSvgMarkerSymbolLayer('symbols/star.svg', 10, 0)
symbol.setFillColor(QColor("blue"))
symbol.setStrokeWidth(1)
symbol.setStrokeColor(QColor('red'))
symbol.setPath('symbols/star.svg')
symbol.setOffset(QPointF(5, 10))
symbol.setOutputUnit(QgsUnitTypes.RenderPixels)
dom, root = self.symbolToSld(symbol)
# print("Svg marker unit px: " + dom.toString())
self.assertExternalGraphic(root, 0,
'symbols/star.svg?fill=%230000ff&fill-opacity=1&outline=%23ff0000&outline-opacity=1&outline-width=1', 'image/svg+xml')
self.assertExternalGraphic(root, 1,
'symbols/star.svg', 'image/svg+xml')
self.assertWellKnownMark(root, 0, 'square', '#0000ff', '#ff0000', 1)
# Check the size has not been rescaled
self.assertStaticSize(root, '10')
self.assertStaticDisplacement(root, 5, 10)
def testSvgMarkerUnitDefault(self):
symbol = QgsSvgMarkerSymbolLayer('symbols/star.svg', 10, 90)
symbol.setFillColor(QColor("blue"))
symbol.setStrokeWidth(1)
symbol.setStrokeColor(QColor('red'))
symbol.setPath('symbols/star.svg')
symbol.setOffset(QPointF(5, 10))
dom, root = self.symbolToSld(symbol)
# print("Svg marker mm: " + dom.toString())
self.assertExternalGraphic(root, 0,
'symbols/star.svg?fill=%230000ff&fill-opacity=1&outline=%23ff0000&outline-opacity=1&outline-width=4', 'image/svg+xml')
self.assertExternalGraphic(root, 1,
'symbols/star.svg', 'image/svg+xml')
self.assertWellKnownMark(root, 0, 'square', '#0000ff', '#ff0000', 4)
# Check the size has been rescaled
self.assertStaticSize(root, '36')
# Check rotation for good measure
self.assertStaticRotation(root, '90')
self.assertStaticDisplacement(root, 18, 36)
def append_CharacterMarkerSymbolLayerAsSvg(symbol, layer, context: Context): # pylint: disable=too-many-locals
"""
Appends a CharacterMarkerSymbolLayer to a symbol, rendering the font character
to an SVG file.
"""
font_family = layer.font
character = chr(layer.unicode)
color = symbol_color_to_qcolor(layer.color)
angle = convert_angle(layer.angle)
font = QFont(font_family)
font.setPointSizeF(layer.size)
# Using the rect of a painter path gives better results then using font metrics
path = QPainterPath()
path.setFillRule(Qt.WindingFill)
path.addText(0, 0, font, character)
rect = path.boundingRect()
font_bounding_rect = QFontMetricsF(font).boundingRect(character)
# adjust size -- marker size in esri is the font size, svg marker size in qgis is the svg rect size
scale = rect.width() / font_bounding_rect.width()
gen = QSvgGenerator()
svg_path = symbol_name_to_filename(context.symbol_name,
context.picture_folder, 'svg')
gen.setFileName(svg_path)
gen.setViewBox(rect)
painter = QPainter(gen)
painter.setFont(font)
# todo -- size!
if context.parameterise_svg:
painter.setBrush(QBrush(QColor(255, 0, 0)))
else:
painter.setBrush(QBrush(color))
painter.setPen(Qt.NoPen)
painter.drawPath(path)
painter.end()
if context.parameterise_svg:
with open(svg_path, 'r') as f:
t = f.read()
t = t.replace('#ff0000', 'param(fill)')
t = t.replace('fill-opacity="1" ',
'fill-opacity="param(fill-opacity)"')
t = t.replace(
'stroke="none"',
'stroke="param(outline)" stroke-opacity="param(outline-opacity) 1" stroke-width="param(outline-width) 0"'
)
with open(svg_path, 'w') as f:
f.write(t)
svg_path = context.convert_path(svg_path)
out = QgsSvgMarkerSymbolLayer(svg_path)
out.setSizeUnit(context.units)
out.setSize(context.convert_size(scale * rect.width()))
out.setAngle(angle)
out.setFillColor(color)
out.setStrokeWidth(0)
out.setEnabled(layer.enabled)
out.setLocked(layer.locked)
out.setOffset(
adjust_offset_for_rotation(
QPointF(context.convert_size(layer.x_offset),
-context.convert_size(layer.y_offset)), layer.angle))
out.setOffsetUnit(context.units)
symbol.appendSymbolLayer(out)
