def requestPixmap(self, id, size, requestedSize):
head = """<svg
viewBox=\"0 -1 512 2\"
xmlns=\"http://www.w3.org/2000/svg\"
xmlns:xlink=\"http://www.w3.org/1999/xlink\"
preserveAspectRatio=\"none\">\n"""
s1 = self._callback(0)
s2 = self._callback(1)
beginpoly = "<polyline points=\""
def endpoly(color):
return "\" style=\"fill:none;stroke:"+color+";stroke-width:0.03\"></polyline>"
bytes = QByteArray(head + beginpoly + s1 + endpoly("green") + beginpoly + s2 + endpoly("red") + "</svg>")
#self._iter = (self._iter + 1) % 256
#f = open('./waveforms/instantaneousWaveform%03d.svg' % self._iter, 'w')
#f.write(head + beginpoly + s1 + endpoly("green") + beginpoly + s2 + endpoly("red") + "</svg>")
#f.close()
renderer = QSvgRenderer()
worked = renderer.load(bytes)
if not worked:
print("SVG parse failed.")
size = renderer.defaultSize()
image = QPixmap(requestedSize)
image.fill(QColor(0,0,0))
painter = QPainter(image)
renderer.render(painter)
return image
class GPSMarker(QgsMapCanvasItem):
def __init__(self, canvas):
QgsMapCanvasItem.__init__(self, canvas)
self.canvas = canvas
self.size = 24
self.map_pos = QgsPoint(0.0, 0.0)
self.svgrender = QSvgRenderer(":/icons/gps_marker")
def setSize(self, size):
self.size = size
def paint(self, painter, xxx, xxx2):
self.setPos(self.toCanvasCoordinates(self.map_pos))
halfSize = self.size / 2.0
self.svgrender.render(painter, QRectF(0 - halfSize, 0 - halfSize, self.size, self.size ) )
def boundingRect(self):
halfSize = self.size / 2.0
return QRectF(-halfSize, -halfSize, 2.0 * halfSize, 2.0 * halfSize)
def setCenter(self, map_pos):
self.map_pos = map_pos
self.setPos(self.toCanvasCoordinates(self.map_pos))
def updatePosition(self):
self.setCenter(self.map_pos)
def requestPixmap(self, id, size, requestedSize): bytes = QByteArray(id) renderer = QSvgRenderer() renderer.load(bytes) size = renderer.defaultSize() image = QPixmap(requestedSize) painter = QPainter(image) renderer.render(painter) return image
def _get_composer_svg_image(self, width, height, dpi):
# from qgscomposer.cpp, QgsComposer::on_mActionExportAsSVG_triggered,
# line 1909, near end of function
svgpath = getTempfilePath('svg')
temp_size = os.path.getsize(svgpath)
svg_g = QSvgGenerator()
# noinspection PyArgumentList
svg_g.setTitle(QgsProject.instance().title())
svg_g.setFileName(svgpath)
# width and height in pixels
# svg_w = int(self._c.paperWidth() * self._c.printResolution() / 25.4)
# svg_h = int(self._c.paperHeight() * self._c.printResolution() / 25.4)
svg_w = width
svg_h = height
svg_g.setSize(QSize(svg_w, svg_h))
svg_g.setViewBox(QRect(0, 0, svg_w, svg_h))
# because the rendering is done in mm, convert the dpi
# svg_g.setResolution(self._c.printResolution())
svg_g.setResolution(dpi)
sp = QPainter(svg_g)
self._c.renderPage(sp, 0)
sp.end()
if temp_size == os.path.getsize(svgpath):
# something went pear-shaped
return False, ''
image = QImage(width, height, QImage.Format_ARGB32)
image.fill(QColor(152, 219, 249).rgb())
image.setDotsPerMeterX(dpi / 25.4 * 1000)
image.setDotsPerMeterY(dpi / 25.4 * 1000)
svgr = QSvgRenderer(svgpath)
p = QPainter(image)
svgr.render(p)
p.end()
filepath = getTempfilePath('png')
res = image.save(filepath, 'png')
if not res:
os.unlink(filepath)
filepath = ''
# TODO: remove .svg file as well?
return res, filepath
def paintEvent(self, e):
"""This event handler is reimplemented in this subclass to receive
paint events passed in event. A paint event is a request to repaint all
or part of a widget. It can happen for one of the following reasons:
repaint() or update() was invoked,the widget was obscured and has
now been uncovered, or many other reasons. """
qp = QPainter()
qp.begin(self)
# if no steos have been receive draw last_diagram_bytes
if not self.steps and self.last_diagram_bytes:
diagram_bytes = self.last_diagram_bytes
else:
diagram = self.build_graph()
diagram_bytes = diagram.pipe('svg')
self.last_diagram_bytes = diagram_bytes
svg = QSvgRenderer(diagram_bytes)
svg.render(qp)
qp.end()
def _get_composer_svg_image(self, width, height, dpi):
# from qgscomposer.cpp, QgsComposer::on_mActionExportAsSVG_triggered,
# near end of function
svgpath = getTempfilePath('svg')
temp_size = os.path.getsize(svgpath)
svg_g = QSvgGenerator()
# noinspection PyArgumentList
svg_g.setTitle(QgsProject.instance().title())
svg_g.setFileName(svgpath)
svg_g.setSize(QSize(width, height))
svg_g.setViewBox(QRect(0, 0, width, height))
svg_g.setResolution(dpi)
sp = QPainter(svg_g)
self._c.renderPage(sp, 0)
sp.end()
if temp_size == os.path.getsize(svgpath):
return False, ''
image = QImage(width, height, self._TestMapSettings.outputImageFormat())
image.fill(QColor(152, 219, 249).rgb())
image.setDotsPerMeterX(dpi / 25.4 * 1000)
image.setDotsPerMeterY(dpi / 25.4 * 1000)
svgr = QSvgRenderer(svgpath)
p = QPainter(image)
p.setRenderHint(
QPainter.Antialiasing,
self._TestMapSettings.testFlag(QgsMapSettings.Antialiasing)
)
p.setRenderHint(QPainter.TextAntialiasing)
svgr.render(p)
p.end()
filepath = getTempfilePath('png')
res = image.save(filepath, 'png')
if not res:
os.unlink(filepath)
filepath = ''
# TODO: remove .svg file as well?
return res, filepath
def rasterize_svg(self, elem, width=0, height=0, format='PNG'):
view_box = elem.get('viewBox', elem.get('viewbox', None))
sizes = None
logger = self.oeb.logger
if view_box is not None:
try:
box = [float(x) for x in filter(None, re.split('[, ]', view_box))]
sizes = [box[2]-box[0], box[3] - box[1]]
except (TypeError, ValueError, IndexError):
logger.warn('SVG image has invalid viewBox="%s", ignoring the viewBox' % view_box)
else:
for image in elem.xpath('descendant::*[local-name()="image" and '
'@height and contains(@height, "%")]'):
logger.info('Found SVG image height in %, trying to convert...')
try:
h = float(image.get('height').replace('%', ''))/100.
image.set('height', str(h*sizes[1]))
except:
logger.exception('Failed to convert percentage height:',
image.get('height'))
data = QByteArray(xml2str(elem, with_tail=False))
svg = QSvgRenderer(data)
size = svg.defaultSize()
if size.width() == 100 and size.height() == 100 and sizes:
size.setWidth(sizes[0])
size.setHeight(sizes[1])
if width or height:
size.scale(width, height, Qt.KeepAspectRatio)
logger.info('Rasterizing %r to %dx%d'
% (elem, size.width(), size.height()))
image = QImage(size, QImage.Format_ARGB32_Premultiplied)
image.fill(QColor("white").rgb())
painter = QPainter(image)
svg.render(painter)
painter.end()
array = QByteArray()
buffer = QBuffer(array)
buffer.open(QIODevice.WriteOnly)
image.save(buffer, format)
return str(array)
def rasterize_external(self, elem, style, item, svgitem):
width = style['width']
height = style['height']
width = (width / 72) * self.profile.dpi
height = (height / 72) * self.profile.dpi
data = QByteArray(str(svgitem))
svg = QSvgRenderer(data)
size = svg.defaultSize()
size.scale(width, height, Qt.KeepAspectRatio)
key = (svgitem.href, size.width(), size.height())
if key in self.images:
href = self.images[key]
else:
logger = self.oeb.logger
logger.info('Rasterizing %r to %dx%d'
% (svgitem.href, size.width(), size.height()))
image = QImage(size, QImage.Format_ARGB32_Premultiplied)
image.fill(QColor("white").rgb())
painter = QPainter(image)
svg.render(painter)
painter.end()
array = QByteArray()
buffer = QBuffer(array)
buffer.open(QIODevice.WriteOnly)
image.save(buffer, 'PNG')
data = str(array)
manifest = self.oeb.manifest
href = os.path.splitext(svgitem.href)[0] + '.png'
id, href = manifest.generate(svgitem.id, href)
manifest.add(id, href, PNG_MIME, data=data)
self.images[key] = href
elem.tag = XHTML('img')
for attr in elem.attrib:
if attr not in KEEP_ATTRS:
del elem.attrib[attr]
elem.attrib['src'] = item.relhref(href)
if elem.text:
elem.attrib['alt'] = elem.text
elem.text = None
for child in elem:
elem.remove(child)
class BoardView(QWidget):
message = pyqtSignal(QString)
computerMove = pyqtSignal()
PANEL = ":/images/panel.svg"
HIT = ":/images/hit.svg"
MISS = ":/images/miss.svg"
SHIPS = [':/images/carrier.svg', ':/images/battleship.svg', ':/images/destroyer.svg',
':/images/submarine.svg', ':/images/patrol boat.svg']
def __init__(self, player, visible, parent = None):
super(BoardView, self).__init__(parent)
self.player = player
self.visible = visible
self.panel = QSvgRenderer(self.PANEL, self)
self.hit = QSvgRenderer(self.HIT, self)
self.miss = QSvgRenderer(self.MISS, self)
self.ship = [QSvgRenderer(filename, self) for filename in self.SHIPS]
self.moving, self.x0, self.y0, self.dx, self.dy = None, 0, 0, 0, 0
def setBoard(self, value):
self.player = value
self.update()
def paintEvent(self, e):
w, h = self.width() / Player.N, self.height() / Player.N
painter = QPainter(self)
for j in range(0, Player.N):
for i in range(0, Player.N):
self.panel.render(painter, QRectF(i * w, j * h, w, h))
if self.visible:
for i in range(0, self.ship.__len__()):
ship = self.ship[i]
x, y, vertical = self.player.getShip(i)
if not i == self.moving:
dx, dy = 0, 0
else:
dx, dy = self.dx, self.dy
if not vertical:
ship.render(painter, QRectF(x * w + dx, y * h + dy, w * Player.LENGTH[i], h))
else:
painter.setTransform(QTransform(0, 1, 1, 0, 0, 0))
ship.render(painter, QRectF(y * h + dy, x * w + dx, h * Player.LENGTH[i], w))
painter.resetTransform()
def rasterize_svg(self, elem, width=0, height=0, format='PNG'):
view_box = elem.get('viewBox', elem.get('viewbox', None))
sizes = None
logger = self.oeb.logger
if view_box is not None:
box = [float(x) for x in view_box.split()]
sizes = [box[2] - box[0], box[3] - box[1]]
for image in elem.xpath('descendant::*[local-name()="image" and '
'@height and contains(@height, "%")]'):
logger.info(
'Found SVG image height in %, trying to convert...')
try:
h = float(image.get('height').replace('%', '')) / 100.
image.set('height', str(h * sizes[1]))
except:
logger.exception('Failed to convert percentage height:',
image.get('height'))
data = QByteArray(xml2str(elem, with_tail=False))
svg = QSvgRenderer(data)
size = svg.defaultSize()
if size.width() == 100 and size.height() == 100 and sizes:
size.setWidth(sizes[0])
size.setHeight(sizes[1])
if width or height:
size.scale(width, height, Qt.KeepAspectRatio)
logger.info('Rasterizing %r to %dx%d' %
(elem, size.width(), size.height()))
image = QImage(size, QImage.Format_ARGB32_Premultiplied)
image.fill(QColor("white").rgb())
painter = QPainter(image)
svg.render(painter)
painter.end()
array = QByteArray()
buffer = QBuffer(array)
buffer.open(QIODevice.WriteOnly)
image.save(buffer, format)
return str(array)
def qt_svg_to_png_renderer(impact_report, component):
"""Render SVG into PNG.
:param impact_report: ImpactReport contains data about the report that is
going to be generated.
:type impact_report: safe.report.impact_report.ImpactReport
:param component: Contains the component metadata and context for
rendering the output.
:type component:
safe.report.report_metadata.QgisComposerComponentsMetadata
:return: Whatever type of output the component should be.
.. versionadded:: 4.0
"""
context = component.context
filepath = context['filepath']
width = component.extra_args['width']
height = component.extra_args['height']
image_format = QImage.Format_ARGB32
qimage = QImage(width, height, image_format)
qimage.fill(0x00000000)
renderer = QSvgRenderer(filepath)
painter = QPainter(qimage)
renderer.render(painter)
# Should call painter.end() so that QImage is not used
painter.end()
# in case output folder not specified
if impact_report.output_folder is None:
impact_report.output_folder = mkdtemp(dir=temp_dir())
output_path = impact_report.component_absolute_output_path(
component.key)
qimage.save(output_path)
component.output = output_path
return component.output
def _get_composer_svg_image(self, width, height, dpi):
# from qgscomposer.cpp, QgsComposer::on_mActionExportAsSVG_triggered,
# near end of function
svgpath = getTempfilePath('svg')
temp_size = os.path.getsize(svgpath)
svg_g = QSvgGenerator()
# noinspection PyArgumentList
svg_g.setTitle(QgsProject.instance().title())
svg_g.setFileName(svgpath)
svg_g.setSize(QSize(width, height))
svg_g.setViewBox(QRect(0, 0, width, height))
svg_g.setResolution(dpi)
sp = QPainter(svg_g)
self._c.renderPage(sp, 0)
sp.end()
if temp_size == os.path.getsize(svgpath):
return False, ''
image = QImage(width, height, QImage.Format_ARGB32)
image.fill(QColor(152, 219, 249).rgb())
image.setDotsPerMeterX(dpi / 25.4 * 1000)
image.setDotsPerMeterY(dpi / 25.4 * 1000)
svgr = QSvgRenderer(svgpath)
p = QPainter(image)
svgr.render(p)
p.end()
filepath = getTempfilePath('png')
res = image.save(filepath, 'png')
if not res:
os.unlink(filepath)
filepath = ''
# TODO: remove .svg file as well?
return res, filepath
def qt_svg_to_png_renderer(impact_report, component):
"""Render SVG into PNG.
:param impact_report: ImpactReport contains data about the report that is
going to be generated
:type impact_report: safe.report.impact_report.ImpactReport
:param component: Contains the component metadata and context for
rendering the output
:type component:
safe.report.report_metadata.QgisComposerComponentsMetadata
:return: whatever type of output the component should be
.. versionadded:: 4.0
"""
context = component.context
filepath = context['filepath']
width = component.extra_args['width']
height = component.extra_args['height']
image_format = QImage.Format_ARGB32
qimage = QImage(width, height, image_format)
qimage.fill(0x00000000)
renderer = QSvgRenderer(filepath)
painter = QPainter(qimage)
renderer.render(painter)
# Should call painter.end() so that QImage is not used
painter.end()
# in case output folder not specified
if impact_report.output_folder is None:
impact_report.output_folder = mkdtemp(dir=temp_dir())
output_path = impact_report.component_absolute_output_path(
component.key)
qimage.save(output_path)
component.output = output_path
return component.output
def Printout(self):
# Version utilisant QSvg
# Fixme: l'alpha n'est pas bien rendu
# (le fond des polygones est absent)
# Le fond est bien présent après export avec matplotlib pourtant.
printer = QPrinter(QPrinter.HighResolution)
dialog = QPrintDialog(printer, self)
dialog.setOption(QPrintDialog.PrintPageRange, False)
dialog.setOption(QPrintDialog.PrintToFile, True)
dialog.setOption(QPrintDialog.PrintShowPageSize, True)
dialog.setWindowTitle("Imprimer le document")
if (dialog.exec_() == QDialog.Accepted):
painter = QPainter(printer)
try:
output = StringIO()
self.onglet_actuel.canvas.exporter(output, format='svg')
svg = QSvgRenderer(QByteArray(output.getvalue()), self)
size = svg.defaultSize()
size.scale(painter.viewport().size(), Qt.KeepAspectRatio)
rect = QRectF(0, 0, size.width(), size.height())
svg.render(painter, rect)
finally:
painter.end()
def pixmap(self, size):
"""returns a background pixmap or None for isPlain"""
self.__pmap = None
if not self.isPlain:
width = size.width()
height = size.height()
if self.tiled:
width = self.imageWidth
height = self.imageHeight
cachekey = QString("%1W%2H%3") \
.arg(self.name).arg(width).arg(height)
self.__pmap = QPixmapCache.find(cachekey)
if not self.__pmap:
renderer = QSvgRenderer(self.__graphicspath)
if not renderer.isValid():
logException(BackgroundException( \
m18n('file <filename>%1</filename> contains no valid SVG', self.__graphicspath)))
self.__pmap = QPixmap(width, height)
self.__pmap.fill(Qt.transparent)
painter = QPainter(self.__pmap)
renderer.render(painter)
QPixmapCache.insert(cachekey, self.__pmap)
return self.__pmap
def save_png(filename, sc, background=(255, 255, 255, 0)):
"""Create a png image from a scene
:Parameters:
- `filename` (str) - name to write the image
- `sc` (SVGScene)
- `background` (int, int, int, int) - background color
as (R, G, B, alpha) 0-255 tuple
"""
qapp = QApplication.instance()
if qapp is None:
qapp = QApplication([])
r = QSvgRenderer(None)
data = QByteArray(str(to_xml(sc)))
r.load(data)
pix = QPixmap(r.defaultSize())
pix.fill(QColor(*background))
painter = QPainter(pix)
r.render(painter)
painter.end()
pix.save(filename)
def pixmap(self, size):
"""returns a background pixmap or None for isPlain"""
self.__pmap = None
if not self.isPlain:
width = size.width()
height = size.height()
if self.tiled:
width = self.imageWidth
height = self.imageHeight
cachekey = QString("%1W%2H%3") \
.arg(self.name).arg(width).arg(height)
self.__pmap = QPixmapCache.find(cachekey)
if not self.__pmap:
renderer = QSvgRenderer(self.__graphicspath)
if not renderer.isValid():
logException(BackgroundException( \
m18n('file <filename>%1</filename> contains no valid SVG', self.__graphicspath)))
self.__pmap = QPixmap(width, height)
self.__pmap.fill(Qt.transparent)
painter = QPainter(self.__pmap)
renderer.render(painter)
QPixmapCache.insert(cachekey, self.__pmap)
return self.__pmap
def save_png (filename, sc, background = (255,255,255, 0) ) : """Create a png image from a scene :Parameters: - `filename` (str) - name to write the image - `sc` (SVGScene) - `background` (int, int, int, int) - background color as (R, G, B, alpha) 0-255 tuple """ qapp = QApplication.instance() if qapp is None : qapp = QApplication([]) r = QSvgRenderer(None) data = QByteArray(str(to_xml(sc) ) ) r.load(data) pix = QPixmap(r.defaultSize() ) pix.fill(QColor(*background) ) painter = QPainter(pix) r.render(painter) painter.end() pix.save(filename)
class QtSvgDialGauge(QWidget):
def __init__(self, parent, skin):
QWidget.__init__(self, parent)
self.m_minimum=0
self.m_maximum=100
self.m_value=0
self.m_startAngle=0
self.m_endAngle=100
self.m_originX=0.5
self.m_originY=0.5
self.m_showOverlay=True
self.m_skin=skin
self.init()
self.setSizePolicy(QSizePolicy.Maximum, QSizePolicy.Maximum)
def init(self):
self.m_backgroundRenderer = QSvgRenderer("images/"+self.m_skin+"/background.svg", self)
self.m_needleShadowRenderer = QSvgRenderer("images/"+self.m_skin+"/needle_shadow.svg", self)
self.m_needleRenderer = QSvgRenderer("images/"+self.m_skin+"/needle.svg", self)
self.m_overlayRenderer = QSvgRenderer("images/"+self.m_skin+"/overlay.svg", self)
self.updateGeometry()
self.update()
def setValue(self, value):
if value < self.m_minimum:
value = self.m_minimum
elif value > self.m_maximum:
value = self.m_maximum
self.m_value = value
self.update()
def setMinimum(self, minimum):
self.m_minimum = minimum
if self.m_value < self.m_minimum:
self.m_value = self.m_minimum;
self.update()
def setMaximum(self, maximum):
self.m_maximum = maximum;
if self.m_value > self.m_maximum:
self.m_value = self.m_maximum
self.update()
def setNeedleOrigin(self, x, y):
self.m_originX = min(1.0, max(0.0, x))
self.m_originY = min(1.0, max(0.0, y))
def setStartAngle(self, angle):
self.m_startAngle = angle
def setEndAngle(self, angle):
self.m_endAngle = angle
def value(self):
return self.m_value
def minimum(self):
return self.m_minimum
def maximum(self):
return self.m_maximum
def needleOriginX(self):
return self.m_originX
def needleOriginY(self):
return self.m_originY
def startAngle(self):
return self.m_startAngle
def endAngle(self):
return self.m_endAngle
def availableRect(self, renderObject):
svgSize = renderObject.defaultSize()
svgSize.scale(self.size(), Qt.KeepAspectRatio)
return QRectF(0.0, 0.0, svgSize.width(), svgSize.height())
def paintEvent(self, event):
painter=QPainter(self)
angleSpan = self.m_endAngle - self.m_startAngle
valueSpan = self.m_maximum - self.m_minimum
rotate = (self.m_value - self.m_minimum) / valueSpan * angleSpan + self.m_startAngle
targetRect = self.availableRect(self.m_backgroundRenderer)
painter.translate((self.width() - targetRect.width()) / 2.0, (self.height() - targetRect.height()) / 2.0)
painter.save()
self.m_backgroundRenderer.render(painter, targetRect)
targetRect = self.availableRect(self.m_needleRenderer)
targetRect.moveTopLeft(QPointF(-targetRect.width() * self.m_originX,
-targetRect.height() * self.m_originY))
painter.translate(targetRect.width() * self.m_originX,
targetRect.height() * self.m_originY)
painter.save()
painter.translate(2, 4)
painter.rotate(rotate)
self.m_needleShadowRenderer.render(painter, targetRect)
painter.restore()
painter.rotate(rotate)
self.m_needleRenderer.render(painter, targetRect)
painter.restore();
if self.m_showOverlay:
targetRect = self.availableRect(self.m_overlayRenderer)
self.m_overlayRenderer.render(painter, targetRect)
def minimumSizeHint(self):
return QSize(100, 100)
def sizeHint(self):
return QSize(400, 400)
def setShowOverlay(self, show):
self.m_showOverlay = show
self.update();
class QLed(QWidget):
Circle = 1
Round = 2
Square = 3
Triangle = 4
Red = 1
Green = 2
Yellow = 3
Grey = 4
Orange = 5
Purple = 6
Blue = 7
shapes={
Circle:"""
<svg height="50.000000px" id="svg9493" width="50.000000px" xmlns="http://www.w3.org/2000/svg">
<defs id="defs9495">
<linearGradient gradientUnits="userSpaceOnUse" id="linearGradient6650" x1="23.402565" x2="23.389874" xlink:href="#linearGradient6506" y1="44.066776" y2="42.883698"/>
<linearGradient id="linearGradient6494">
<stop id="stop6496" offset="0.0000000" style="stop-color:%s;stop-opacity:1.0000000;"/>
<stop id="stop6498" offset="1.0000000" style="stop-color:%s;stop-opacity:1.0000000;"/>
</linearGradient>
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}
colours={Red : (0xCF, 0x00, 0x00),
Green : (0x0f, 0x69, 0x00),
Yellow : (0xd2, 0xcd, 0x00),
Grey : (0x5a, 0x5a, 0x5a),
Orange : (0xda, 0x46, 0x15),
Purple : (0x87, 0x00, 0x83),
Blue : (0x00, 0x03, 0x9a)}
clicked=pyqtSignal()
def __init__(self, parent=None, **kwargs):
self.m_value=False
self.m_onColour=QLed.Red
self.m_offColour=QLed.Grey
self.m_shape=QLed.Circle
QWidget.__init__(self, parent, **kwargs)
self._pressed=False
self.renderer=QSvgRenderer()
def value(self): return self.m_value
def setValue(self, value):
self.m_value=value
self.update()
value=pyqtProperty(bool, value, setValue)
def onColour(self): return self.m_onColour
def setOnColour(self, newColour):
self.m_onColour=newColour
self.update()
onColour=pyqtProperty(int, onColour, setOnColour)
def offColour(self): return self.m_offColour
def setOffColour(self, newColour):
self.m_offColour=newColour
self.update()
offColour=pyqtProperty(int, offColour, setOffColour)
def shape(self): return self.m_shape
def setShape(self, newShape):
self.m_shape=newShape
self.update()
shape=pyqtProperty(int, shape, setShape)
def sizeHint(self):
if self.m_shape==QLed.Triangle: return QSize(64,48)
elif self.m_shape==QLed.Round: return QSize(96, 48)
return QSize(48,48)
def adjust(self, r, g, b):
def normalise(x): return x/255.0
def denormalise(x): return int(x*255.0)
(h,l,s)=rgb_to_hls(normalise(r),normalise(g),normalise(b))
(nr,ng,nb)=hls_to_rgb(h,l*1.5,s)
return (denormalise(nr),denormalise(ng),denormalise(nb))
def paintEvent(self, event):
option=QStyleOption()
option.initFrom(self)
h=option.rect.height()
w=option.rect.width()
if self.m_shape in (QLed.Triangle, QLed.Round):
aspect=(4/3.0) if self.m_shape==QLed.Triangle else 2.0
ah=w/aspect
aw=w
if ah>h:
ah=h
aw=h*aspect
x=abs(aw-w)/2.0
y=abs(ah-h)/2.0
bounds=QRectF(x,y,aw,ah)
else:
size=min(w,h)
x=abs(size-w)/2.0
y=abs(size-h)/2.0
bounds=QRectF(x,y,size,size)
painter=QPainter(self);
painter.setRenderHint(QPainter.Antialiasing, True);
(dark_r,dark_g,dark_b)=self.colours[self.m_onColour if self.m_value else self.m_offColour]
dark_str="rgb(%d,%d,%d)" % (dark_r,dark_g,dark_b)
light_str="rgb(%d,%d,%d)" % self.adjust(dark_r,dark_g,dark_b)
self.renderer.load(QByteArray(self.shapes[self.m_shape] % (dark_str,light_str)))
self.renderer.render(painter, bounds)
def mousePressEvent(self, event):
self._pressed=True
QWidget.mousePressEvent(self, event)
def mouseReleaseEvent(self, event):
if self._pressed:
self._pressed=False
self.clicked.emit()
QWidget.mouseReleaseEvent(self, event)
def toggleValue(self):
self.m_value=not self.m_value;
self.update()
from PyQt4.QtCore import Qt
from PyQt4.QtCore import QByteArray
from PyQt4.QtCore import QBuffer
from PyQt4.QtCore import QIODevice, QFile
from PyQt4.QtGui import QColor
from PyQt4.QtGui import QImage
from PyQt4.QtGui import QPainter
from PyQt4.QtSvg import QSvgRenderer
from PyQt4.QtGui import QApplication
import sys, os
app = QApplication(sys.argv)
svg = QSvgRenderer()
current = os.getcwd()
os.chdir(os.path.dirname(sys.argv[1]))
svg.load(os.path.basename(sys.argv[1]))
size = svg.defaultSize()
size.scale(600, 800, Qt.KeepAspectRatio)
image = QImage(size, QImage.Format_ARGB32_Premultiplied)
image.fill(QColor("white").rgb())
painter = QPainter(image)
svg.render(painter)
painter.end()
os.chdir(current)
f = QFile(sys.argv[2])
f.open(QIODevice.WriteOnly)
image.save(f, 'PNG')
class ChessBoard(QWidget):
def __init__(self, main_view):
super().__init__()
self.board_svg = QSvgRenderer("assets/boards/blue.svg")
self.main_view = main_view
self.board = chess.Board()
self.piece_images = {}
self.ranks = "87654321"
self.files = "abcdefgh"
self.move = WHITE
self.board_size = 0
self.tile_size = 0
self.selected = None
self.engine_handler = EngineHandler(self)
self.best_move = None
self.show_best_move = True
self.move_history = []
self.arrows = []
self.dragging = False
self.dragX = 0
self.dragY = 0
for c in "QRPBNK":
self.piece_images[WHITE + c] = QSvgRenderer("assets/pieces/w" + c +
".svg")
self.piece_images[BLACK + c] = QSvgRenderer("assets/pieces/b" + c +
".svg")
def paintEvent(self, event):
self.board_size = min(self.width(), self.height())
self.tile_size = self.board_size / 8
painter = QPainter()
painter.begin(self)
painter.setRenderHint(QPainter.Antialiasing)
self.board_svg.render(painter,
QRectF(0, 0, self.board_size, self.board_size))
if self.selected != None:
painter.setBrush(QBrush(QColor(0, 120, 255, 100), Qt.SolidPattern))
painter.setPen(QPen(QColor(0, 120, 255, 100), Qt.SolidLine))
sx = self.selected[0]
sy = self.selected[1]
painter.drawRect(sx * self.tile_size, sy * self.tile_size,
self.tile_size, self.tile_size)
for f in range(len(self.files)):
for r in range(len(self.ranks)):
if sx == f and sy == r:
continue
if self.islegalmove(sx, sy, f, r):
x = f * self.tile_size + self.tile_size / 4
y = r * self.tile_size + self.tile_size / 4
painter.drawEllipse(x, y, self.tile_size / 2,
self.tile_size / 2)
for f in range(len(self.files)):
for r in range(len(self.ranks)):
sn = self.files[f] + self.ranks[r]
s = chess.parse_square(sn)
piece = self.board.piece_at(s)
if piece != None:
ps = piece.symbol()
color = WHITE if ps.isupper() else BLACK
renderer = self.piece_images[color + ps.upper()]
bounds = QRectF(f * self.tile_size, r * self.tile_size,
self.tile_size, self.tile_size)
renderer.render(painter, bounds)
for arrow in self.arrows:
fx = arrow[0] * self.tile_size + self.tile_size / 2
fy = arrow[1] * self.tile_size + self.tile_size / 2
tx = arrow[2] * self.tile_size + self.tile_size / 2
ty = arrow[3] * self.tile_size + self.tile_size / 2
painter.setBrush(QBrush(QColor(34, 139, 34, 130), Qt.SolidPattern))
painter.setPen(Qt.NoPen)
painter.drawPolygon(draw_arrow(fx, fy, tx, ty, 40, 10))
if self.best_move != None and self.show_best_move:
bm = self.best_move
fx, fy = self.coordsofsquare(bm.from_square)
tx, ty = self.coordsofsquare(bm.to_square)
fx = fx * self.tile_size + self.tile_size / 2
fy = fy * self.tile_size + self.tile_size / 2
tx = tx * self.tile_size + self.tile_size / 2
ty = ty * self.tile_size + self.tile_size / 2
painter.setBrush(QBrush(QColor(0, 92, 153, 130), Qt.SolidPattern))
painter.setPen(Qt.NoPen)
painter.drawPolygon(draw_arrow(fx, fy, tx, ty, 70, 15))
painter.end()
self.update()
def mouse_press(self, event):
if event.button() == Qt.RightButton:
x = event.x()
y = event.y()
if x <= self.board_size and y <= self.board_size:
tx = floor(x / self.tile_size)
ty = floor(y / self.tile_size)
self.dragging = True
self.dragX = tx
self.dragY = ty
else:
self.dragging = False
self.arrows.clear()
def mouse_release(self, event):
if event.button() == Qt.RightButton and self.dragging:
x = event.x()
y = event.y()
if x <= self.board_size and y <= self.board_size:
tx = floor(x / self.tile_size)
ty = floor(y / self.tile_size)
if self.dragX != tx or self.dragY != ty:
already_arr = False
for arr in self.arrows:
# if arrow already exists, remove it
if arr[0] == self.dragX and arr[
1] == self.dragY and arr[2] == tx and arr[
3] == ty:
already_arr = True
self.arrows.remove(arr)
if not already_arr:
self.arrows.append((self.dragX, self.dragY, tx, ty))
else:
self.dragging = False
if event.button() != Qt.LeftButton:
return
x = event.x()
y = event.y()
if x <= self.board_size and y <= self.board_size:
tx = floor(x / self.tile_size)
ty = floor(y / self.tile_size)
pc = self.getpiece(tx, ty)
if self.selected == None:
if pc != None and pc.color == self.board.turn:
self.selected = (tx, ty)
else:
if pc != None:
if pc.color == self.board.turn:
self.selected = (tx, ty)
else:
self.makemoveiflegal(tx, ty)
else:
self.makemoveiflegal(tx, ty)
else:
self.selected = None
def islegalmove(self, fx, fy, tx, ty):
lm = self.board.legal_moves
f = self.coordstopos(fx, fy)
t = self.coordstopos(tx, ty)
move = chess.Move.from_uci(f + t)
return move in lm
def makemove(self, move):
self.board.push(move)
self.selected = None
self.engine_handler.analyze(self.board)
self.main_view.fen_field.setText(self.fen())
self.arrows.clear()
def makemoveiflegal(self, x, y):
lm = self.board.legal_moves
sx = self.selected[0]
sy = self.selected[1]
f = self.coordstopos(sx, sy)
t = self.coordstopos(x, y)
move = chess.Move.from_uci(f + t)
if move in lm:
self.makemove(move)
else:
# try with promotion
move = chess.Move.from_uci(f + t + "q")
if move in lm:
self.makemove(move)
def haspiece(self, x, y):
return self.getpiece(x, y) != None
def getpiece(self, x, y):
s = chess.parse_square(self.files[x] + self.ranks[y])
piece = self.board.piece_at(s)
return piece
def coordsofsquare(self, sq):
return (chess.square_file(sq), 7 - chess.square_rank(sq))
def coordstopos(self, x, y):
return self.files[x] + self.ranks[y]
def _domove(self):
mv = self.move_history.pop()
if mv != None:
self.board.push(mv)
self.main_view.fen_field.setText(self.board.fen())
self.engine_handler.analyze(self.board)
self.arrows.clear()
def _undomove(self):
try:
self.move_history.append(self.board.pop())
except:
pass
self.engine_handler.analyze(self.board)
self.main_view.fen_field.setText(self.board.fen())
self.arrows.clear()
def startpos(self):
self.loadfen(chess.STARTING_FEN)
def loadfen(self, fen):
self.move_history = []
self.board.set_fen(fen)
self.engine_handler.analyze(self.board)
self.main_view.fen_field.setText(self.board.fen())
def fen(self):
return self.board.fen()
def show_best_move_changed(self, state):
self.show_best_move = state == Qt.Checked
def change_engine(self, engine):
self.engine_handler.change_engine(engine)
self.engine_handler.stop_current()
self.engine_handler.analyze(self.board)
def set_best_move(self, best_move):
self.best_move = best_move
def next_move(self):
if len(self.move_history) > 0:
self._domove()
else:
if self.best_move != None:
self.makemove(self.best_move)
def back_move(self):
self._undomove()
def set_thoughts(self, pv):
if len(pv) > 0:
thoughts = "Engine thoughts: " + pv[0].uci()
if len(pv) > 1:
for m in range(1, len(pv)):
move = pv[m].uci()
thoughts += "->" + move
self.main_view.engine_thoughts.setText(thoughts)
def set_score(self, score):
self.main_view.game_score.setText("Score: " + score)
