def createBufferSettings(self):
s = QgsTextBufferSettings()
s.setEnabled(True)
s.setSize(5)
s.setSizeUnit(QgsUnitTypes.RenderPixels)
s.setSizeMapUnitScale(QgsMapUnitScale(1, 2))
s.setColor(QColor(255, 0, 0))
s.setFillBufferInterior(True)
s.setOpacity(0.5)
s.setJoinStyle(Qt.RoundJoin)
s.setBlendMode(QPainter.CompositionMode_Difference)
return s
def createBufferSettings(self):
s = QgsTextBufferSettings()
s.setEnabled(True)
s.setSize(5)
s.setSizeUnit(QgsUnitTypes.RenderPixels)
s.setSizeMapUnitScale(QgsMapUnitScale(1, 2))
s.setColor(QColor(255, 0, 0))
s.setFillBufferInterior(True)
s.setOpacity(0.5)
s.setJoinStyle(Qt.RoundJoin)
s.setBlendMode(QPainter.CompositionMode_Difference)
return s
def createBufferSettings(self):
s = QgsTextBufferSettings()
s.setEnabled(True)
s.setSize(5)
s.setSizeUnit(QgsUnitTypes.RenderPixels)
s.setSizeMapUnitScale(QgsMapUnitScale(1, 2))
s.setColor(QColor(255, 0, 0))
s.setFillBufferInterior(True)
s.setOpacity(0.5)
s.setJoinStyle(Qt.RoundJoin)
s.setBlendMode(QPainter.CompositionMode_Difference)
s.setPaintEffect(QgsBlurEffect.create({'blur_level': '2.0', 'blur_unit': QgsUnitTypes.encodeUnit(QgsUnitTypes.RenderMillimeters), 'enabled': '1'}))
return s
def createBufferSettings(self):
s = QgsTextBufferSettings()
s.setEnabled(True)
s.setSize(5)
s.setSizeUnit(QgsUnitTypes.RenderPixels)
s.setSizeMapUnitScale(QgsMapUnitScale(1, 2))
s.setColor(QColor(255, 0, 0))
s.setFillBufferInterior(True)
s.setOpacity(0.5)
s.setJoinStyle(Qt.RoundJoin)
s.setBlendMode(QPainter.CompositionMode_Difference)
s.setPaintEffect(QgsBlurEffect.create({'blur_level': '2.0', 'blur_unit': QgsUnitTypes.encodeUnit(QgsUnitTypes.RenderMillimeters), 'enabled': '1'}))
return s
def text_symbol_to_qgstextformat(
text_symbol: TextSymbol, # pylint: disable=too-many-locals,too-many-branches,too-many-statements
context,
reference_scale=None):
"""
Converts TextSymbol to QgsTextFormat
"""
text_format = QgsTextFormat()
font = TextSymbolConverter.std_font_to_qfont(text_symbol.font)
if context.unsupported_object_callback and font.family(
) not in QFontDatabase().families():
if isinstance(text_symbol, TextSymbol):
context.unsupported_object_callback(
'Font {} not available on system'.format(
text_symbol.font.font_name))
if Qgis.QGIS_VERSION_INT >= 30900:
font.setKerning(text_symbol.kerning)
conversion_factor = reference_scale * 0.000352778 if reference_scale is not None else 1
# why 5.55? why not! It's based on rendering match with ArcGIS -- there's no documentation
# about what the ArcGIS character spacing value actually means!
font.setLetterSpacing(
QFont.AbsoluteSpacing,
conversion_factor * (text_symbol.character_spacing or 0) / 5.55)
# may need tweaking
font.setWordSpacing(conversion_factor *
((text_symbol.word_spacing / 100) - 1))
if isinstance(text_symbol, TextSymbol):
font.setCapitalization(
TextSymbolConverter.CAPITALIZATION_MAP[text_symbol.case])
if Qgis.QGIS_VERSION_INT >= 31600:
text_format.setCapitalization(
TextSymbolConverter.TEXT_CAPITALIZATION_MAP[
text_symbol.case])
if isinstance(text_symbol, TextSymbol):
text_format.setLineHeight(1 + text_symbol.leading /
text_symbol.font_size)
text_format.setFont(font)
if reference_scale is None:
text_format.setSize(text_symbol.font_size)
text_format.setSizeUnit(QgsUnitTypes.RenderPoints)
else:
text_format.setSize(text_symbol.font_size * reference_scale *
0.000352778)
# todo - use normal map units
text_format.setSizeUnit(QgsUnitTypes.RenderMetersInMapUnits)
if Qgis.QGIS_VERSION_INT >= 32300 and text_symbol.character_width != 100:
text_format.setStretchFactor(text_symbol.character_width)
opacity = 1
if isinstance(text_symbol, TextSymbol):
color = ColorConverter.color_to_qcolor(text_symbol.color)
# need to move opacity setting from color to dedicated setter
opacity = color.alphaF()
color.setAlpha(255)
text_format.setColor(color)
text_format.setOpacity(opacity)
# shadow
if text_symbol.shadow_x_offset or text_symbol.shadow_y_offset:
shadow = QgsTextShadowSettings()
shadow.setEnabled(True)
shadow_color = ColorConverter.color_to_qcolor(
text_symbol.shadow_color)
# need to move opacity setting from color to dedicated setter
shadow_opacity = shadow_color.alphaF()
shadow_color.setAlpha(255)
shadow.setColor(shadow_color)
shadow.setOpacity(shadow_opacity)
shadow_angle = math.degrees(
math.atan2(text_symbol.shadow_y_offset,
text_symbol.shadow_x_offset))
shadow_dist = math.sqrt(text_symbol.shadow_x_offset**2 +
text_symbol.shadow_y_offset**2)
shadow.setOffsetAngle(int(round(90 - shadow_angle)))
if reference_scale is None:
shadow.setOffsetDistance(context.convert_size(shadow_dist))
shadow.setOffsetUnit(context.units)
else:
shadow.setOffsetDistance(shadow_dist * reference_scale *
0.000352778)
shadow.setOffsetUnit(QgsUnitTypes.RenderMetersInMapUnits)
shadow.setBlendMode(QPainter.CompositionMode_SourceOver)
# arc has no option for blurring shadows - we convert with a slight blur (because it's UGLY if we don't,
# but use a lower blur then the default to give a somewhat closer match)
shadow.setBlurRadius(0.5)
text_format.setShadow(shadow)
# halo
buffer = QgsTextBufferSettings()
if isinstance(text_symbol, TextSymbol):
buffer.setEnabled(text_symbol.halo_enabled)
else:
buffer.setEnabled(bool(text_symbol.halo_symbol))
if reference_scale is None:
buffer.setSize(context.convert_size(text_symbol.halo_size))
buffer.setSizeUnit(context.units)
else:
buffer.setSize(2 * text_symbol.halo_size * reference_scale *
0.000352778)
buffer.setSizeUnit(QgsUnitTypes.RenderMetersInMapUnits)
# QGIS has no option for halo symbols. Instead, we just get the color from the symbol
if text_symbol.halo_symbol:
from .symbols import SymbolConverter # pylint: disable=import-outside-toplevel,cyclic-import
halo_symbol = SymbolConverter.Symbol_to_QgsSymbol(
text_symbol.halo_symbol, context)
if halo_symbol:
buffer_color = halo_symbol.color()
# need to move opacity setting from color to dedicated setter
buffer_opacity = buffer_color.alphaF()
buffer_color.setAlpha(255)
buffer.setColor(buffer_color)
# in ArcMap buffer inherits text opacity, shadow does not
buffer.setOpacity(buffer_opacity * opacity)
text_format.setBuffer(buffer)
if text_symbol.background_symbol:
background = TextSymbolConverter.convert_background_symbol(
text_symbol.background_symbol, context, reference_scale)
if background:
text_format.setBackground(background)
if isinstance(text_symbol, TextSymbol):
if text_symbol.cjk_orientation:
if Qgis.QGIS_VERSION_INT < 30900:
if context.unsupported_object_callback:
context.unsupported_object_callback(
'Vertical text orientation requires QGIS 3.10 or later',
level=Context.WARNING)
else:
raise NotImplementedException(
'Vertical text orientation requires QGIS 3.10 or later'
)
else:
text_format.setOrientation(
QgsTextFormat.VerticalOrientation)
else:
pass
return text_format