def __call__(self, ok):
from PyQt5.Qt import QImage, QPainter, QByteArray, QBuffer
try:
if not ok:
raise RuntimeError('Rendering of HTML failed.')
de = self.page.mainFrame().documentElement()
pe = de.findFirst('parsererror')
if not pe.isNull():
raise ParserError(pe.toPlainText())
image = QImage(self.page.viewportSize(), QImage.Format_ARGB32)
image.setDotsPerMeterX(96*(100/2.54))
image.setDotsPerMeterY(96*(100/2.54))
painter = QPainter(image)
self.page.mainFrame().render(painter)
painter.end()
ba = QByteArray()
buf = QBuffer(ba)
buf.open(QBuffer.WriteOnly)
image.save(buf, 'JPEG')
self.data = bytes(ba.data())
except Exception as e:
self.exception = e
self.traceback = traceback.format_exc()
finally:
self.loop.exit(0)
def __call__(self, ok):
from PyQt5.Qt import QImage, QPainter, QByteArray, QBuffer
try:
if not ok:
raise RuntimeError('Rendering of HTML failed.')
de = self.page.mainFrame().documentElement()
pe = de.findFirst('parsererror')
if not pe.isNull():
raise ParserError(pe.toPlainText())
image = QImage(self.page.viewportSize(), QImage.Format_ARGB32)
image.setDotsPerMeterX(96*(100/2.54))
image.setDotsPerMeterY(96*(100/2.54))
painter = QPainter(image)
self.page.mainFrame().render(painter)
painter.end()
ba = QByteArray()
buf = QBuffer(ba)
buf.open(QBuffer.WriteOnly)
image.save(buf, 'JPEG')
self.data = str(ba.data())
except Exception as e:
self.exception = e
self.traceback = traceback.format_exc()
finally:
self.loop.exit(0)
def createThumb (self,path_to_perso):
list_pic = os.listdir (path_to_perso)
if len(list_pic) > 0 :
find = False
for pic in list_pic :
self.success = True
if self.thumb_ext not in pic :
if "portrait" in pic :
find = True
thumbnail = QImage(os.path.join(path_to_perso,pic))
if (thumbnail.isNull()):
print ('IMAGE NULL',os.path.join(path_to_perso,pic))
thumbnail = thumbnail.scaledToWidth(self.thumb_width)
pic_basename = pic.split(".")
result = thumbnail.save(os.path.join(path_to_perso,self.thumb_ext+".jpg"))
try:
os.rename(os.path.join(path_to_perso,pic),os.path.join(path_to_perso,self.portrait_ext+".jpg"))
self.nb_rename[1] = self.nb_rename[1]+1
except FileExistsError :
self.nb_rename_failed[1] = self.nb_rename_failed[1]+1
pass
if result == False :
self.nb_echec_thumb_creation[1] = self.nb_echec_thumb_creation[1]+ 1
try :
qDebug("Echec de la creation de la miniature :"+os.path.join(path_to_perso,self.thumb_ext+".jpg"))
self.echec_list.append("FAILED save"+str(os.path.join(path_to_perso,self.thumb_ext+".jpg")))
except UnicodeEncodeError :
qDebug("echec sauvegarde ****")
else:
self.nb_success_thumb_creation[1] = self.nb_success_thumb_creation[1]+1
else :
pass
#une image principale n existe pas
if find == False :
#on fait l hypothese que portrai_ext et thumb_ext contienne tous 2 le mot "portrait"
thumbnail = QImage(os.path.join(path_to_perso,pic))
thumbnail = thumbnail.scaledToWidth(self.thumb_width)
pic_basename = pic.split(".")
result = thumbnail.save(os.path.join(path_to_perso,self.thumb_ext+".jpg"))
if result == False :
try :
qDebug("Echec de la creation de la miniature :"+str(os.path.join(path_to_perso,self.thumb_ext+".jpg")))
self.echec_list.append("FAILED save"+str(os.path.join(path_to_perso,self.thumb_ext+".jpg")))
except UnicodeEncodeError :
qDebug("echec sauvegarde ****")
self.nb_echec_thumb_creation[1] = self.nb_echec_thumb_creation[1]+1
else:
self.nb_success_thumb_creation[1] = self.nb_success_thumb_creation[1] + 1
try:
os.rename(os.path.join(path_to_perso,pic), os.path.join(path_to_perso,self.portrait_ext+".jpg"))
self.nb_rename[1] = self.nb_rename[1] + 1
except FileExistsError :
self.nb_rename_failed[1] = self.nb_rename_failed[1] + 1
pass
else:
self.echec_list.append("FAILED no portrait found"+str(path_to_perso))
def add_image(self, img, cache_key):
ref = self.get_image(cache_key)
if ref is not None:
return ref
fmt = img.format()
image = QImage(img)
if (image.depth() == 1 and img.colorTable().size() == 2 and
img.colorTable().at(0) == QColor(Qt.black).rgba() and
img.colorTable().at(1) == QColor(Qt.white).rgba()):
if fmt == QImage.Format_MonoLSB:
image = image.convertToFormat(QImage.Format_Mono)
fmt = QImage.Format_Mono
else:
if (fmt != QImage.Format_RGB32 and fmt != QImage.Format_ARGB32):
image = image.convertToFormat(QImage.Format_ARGB32)
fmt = QImage.Format_ARGB32
w = image.width()
h = image.height()
d = image.depth()
if fmt == QImage.Format_Mono:
bytes_per_line = (w + 7) >> 3
data = image.constBits().asstring(bytes_per_line * h)
return self.write_image(data, w, h, d, cache_key=cache_key)
has_alpha = False
soft_mask = None
if fmt == QImage.Format_ARGB32:
tmask = image.constBits().asstring(4*w*h)[self.alpha_bit::4]
sdata = bytearray(tmask)
vals = set(sdata)
vals.discard(255) # discard opaque pixels
has_alpha = bool(vals)
if has_alpha:
# Blend image onto a white background as otherwise Qt will render
# transparent pixels as black
background = QImage(image.size(), QImage.Format_ARGB32_Premultiplied)
background.fill(Qt.white)
painter = QPainter(background)
painter.drawImage(0, 0, image)
painter.end()
image = background
ba = QByteArray()
buf = QBuffer(ba)
image.save(buf, 'jpeg', 94)
data = ba.data()
if has_alpha:
soft_mask = self.write_image(tmask, w, h, 8)
return self.write_image(data, w, h, 32, dct=True,
soft_mask=soft_mask, cache_key=cache_key)
def add_image(self, img, cache_key):
ref = self.get_image(cache_key)
if ref is not None:
return ref
fmt = img.format()
image = QImage(img)
if (image.depth() == 1 and img.colorTable().size() == 2 and
img.colorTable().at(0) == QColor(Qt.black).rgba() and
img.colorTable().at(1) == QColor(Qt.white).rgba()):
if fmt == QImage.Format_MonoLSB:
image = image.convertToFormat(QImage.Format_Mono)
fmt = QImage.Format_Mono
else:
if (fmt != QImage.Format_RGB32 and fmt != QImage.Format_ARGB32):
image = image.convertToFormat(QImage.Format_ARGB32)
fmt = QImage.Format_ARGB32
w = image.width()
h = image.height()
d = image.depth()
if fmt == QImage.Format_Mono:
bytes_per_line = (w + 7) >> 3
data = image.constBits().asstring(bytes_per_line * h)
return self.write_image(data, w, h, d, cache_key=cache_key)
has_alpha = False
soft_mask = None
if fmt == QImage.Format_ARGB32:
tmask = image.constBits().asstring(4*w*h)[self.alpha_bit::4]
sdata = bytearray(tmask)
vals = set(sdata)
vals.discard(255) # discard opaque pixels
has_alpha = bool(vals)
if has_alpha:
# Blend image onto a white background as otherwise Qt will render
# transparent pixels as black
background = QImage(image.size(), QImage.Format_ARGB32_Premultiplied)
background.fill(Qt.white)
painter = QPainter(background)
painter.drawImage(0, 0, image)
painter.end()
image = background
ba = QByteArray()
buf = QBuffer(ba)
image.save(buf, 'jpeg', 94)
data = bytes(ba.data())
if has_alpha:
soft_mask = self.write_image(tmask, w, h, 8)
return self.write_image(data, w, h, 32, dct=True,
soft_mask=soft_mask, cache_key=cache_key)
def processPendingDatagrams(self):
while self.udpSocket.hasPendingDatagrams():
datagram, host, port = self.udpSocket.readDatagram(
self.udpSocket.pendingDatagramSize())
buf = QBuffer()
b = buf.write(self.udpSocket.readAll())
buf.seek(buf.pos() - b)
image = QImage()
image.loadFromData(buf.buffer())
image.save(r"D:\test.png")
def to_png(bmp):
from PyQt5.Qt import QImage, QByteArray, QBuffer
i = QImage()
if not i.loadFromData(bmp):
raise ValueError('Invalid image data')
ba = QByteArray()
buf = QBuffer(ba)
buf.open(QBuffer.WriteOnly)
i.save(buf, 'png')
return bytes(ba.data())
def to_png(bmp):
from PyQt5.Qt import QImage, QByteArray, QBuffer
i = QImage()
if not i.loadFromData(bmp):
raise ValueError('Invalid image data')
ba = QByteArray()
buf = QBuffer(ba)
buf.open(QBuffer.WriteOnly)
i.save(buf, 'png')
return ba.data()
def screenshot(self, file_name):
# while self.load_status == "started":
# time.sleep(0.15)
self.page().setViewportSize(self.page().mainFrame().contentsSize())
image = QImage(self.page().viewportSize(), QImage.Format_ARGB32)
painter = QPainter(image)
self.page().mainFrame().render(painter)
painter.end()
image.save(file_name)
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 [_f for _f in re.split('[, ]', view_box) if _f]
]
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 scale_image(data, width=60, height=80, compression_quality=70, as_png=False, preserve_aspect_ratio=True):
''' Scale an image, returning it as either JPEG or PNG data (bytestring).
Transparency is alpha blended with white when converting to JPEG. Is thread
safe and does not require a QApplication. '''
# We use Qt instead of ImageMagick here because ImageMagick seems to use
# some kind of memory pool, causing memory consumption to sky rocket.
if isinstance(data, QImage):
img = data
else:
img = QImage()
if not img.loadFromData(data):
raise ValueError('Could not load image for thumbnail generation')
if preserve_aspect_ratio:
scaled, nwidth, nheight = fit_image(img.width(), img.height(), width, height)
if scaled:
img = img.scaled(nwidth, nheight, Qt.KeepAspectRatio, Qt.SmoothTransformation)
else:
if img.width() != width or img.height() != height:
img = img.scaled(width, height, Qt.IgnoreAspectRatio, Qt.SmoothTransformation)
if not as_png and img.hasAlphaChannel():
nimg = QImage(img.size(), QImage.Format_RGB32)
nimg.fill(Qt.white)
p = QPainter(nimg)
p.drawImage(0, 0, img)
p.end()
img = nimg
ba = QByteArray()
buf = QBuffer(ba)
buf.open(QBuffer.WriteOnly)
fmt = 'PNG' if as_png else 'JPEG'
if not img.save(buf, fmt, quality=compression_quality):
raise ValueError('Failed to export thumbnail image to: ' + fmt)
return img.width(), img.height(), ba.data()
def capture(self, fullScreen = False, filename = ''):
if fullScreen:
image = QApplication.primaryScreen().grabWindow(0)
else:
image = QImage(self.webView.mainFrame.contentsSize(), QImage.Format_ARGB32)
painter = QPainter(image)
self.webView.mainFrame.render(painter)
painter.end()
if filename:
return image.save(filename)
else:
data = QByteArray()
buffer = QBuffer(data)
buffer.open(QBuffer.WriteOnly)
image.save(buffer, 'PNG')
return bytes(data.toBase64()).decode()
def save(self, filename, chart_size, legend_width=None):
""" save graph as file
"""
if not filename:
""" if filename is not specified, open a save file dialog
"""
filename = QFileDialog.getSaveFileName(None, 'Save File')[0]
if not filename[-4:] in ['.png', '.jpg',]:
""" TODO : cleaner extension manager
"""
filename += ".png"
image_size = chart_size
if legend_width:
image_size = image_size + QSize(legend_width, 0)
image = QImage(image_size, QImage.Format_ARGB32_Premultiplied)
painter = QPainter(image)
painter.setRenderHint(QPainter.Antialiasing)
painter.fillRect(image.rect(), Qt.white)
self.draw(painter, QRect(QPoint(0, 0), chart_size))
if legend_width:
legendRect = QRect(QPoint(chart_size.width(), 10),
QSize(legend_width, chart_size.height()))
self.draw_legend(painter, legendRect)
painter.end()
return image.save(filename)
def capture(self, fullScreen = False, filename = ''):
if fullScreen:
image = QApplication.primaryScreen().grabWindow(0)
else:
image = QImage(self.webView.mainFrame.contentsSize(), QImage.Format_ARGB32)
painter = QPainter(image)
self.webView.mainFrame.render(painter)
painter.end()
if filename:
return image.save(filename)
else:
data = QByteArray()
buffer = QBuffer(data)
buffer.open(QBuffer.WriteOnly)
image.save(buffer, 'PNG')
return bytes(data.toBase64()).decode()
def to_png(bmp):
# ImageMagick does not convert some bmp files correctly, while Qt does,
# so try Qt first. See for instance:
# https://bugs.launchpad.net/calibre/+bug/934167
# ImageMagick bug report:
# http://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=20350
from PyQt5.Qt import QImage, QByteArray, QBuffer
i = QImage()
if i.loadFromData(bmp):
ba = QByteArray()
buf = QBuffer(ba)
buf.open(QBuffer.WriteOnly)
i.save(buf, 'png')
return bytes(ba.data())
from calibre.utils.magick import Image
img = Image()
img.load(bmp)
return img.export('png')
def to_png(bmp):
# ImageMagick does not convert some bmp files correctly, while Qt does,
# so try Qt first. See for instance:
# https://bugs.launchpad.net/calibre/+bug/934167
# ImageMagick bug report:
# http://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=20350
from PyQt5.Qt import QImage, QByteArray, QBuffer
i = QImage()
if i.loadFromData(bmp):
ba = QByteArray()
buf = QBuffer(ba)
buf.open(QBuffer.WriteOnly)
i.save(buf, 'png')
return bytes(ba.data())
from calibre.utils.magick import Image
img = Image()
img.load(bmp)
return img.export('png')
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 main():
app = QApplication([])
app
tdir = os.path.abspath('.')
pdf = os.path.join(tdir, 'painter.pdf')
func = full
dpi = 100
with open(pdf, 'wb') as f:
dev = PdfDevice(f, xdpi=dpi, ydpi=dpi, compress=False)
img = QImage(dev.width(), dev.height(),
QImage.Format_ARGB32_Premultiplied)
img.setDotsPerMeterX(dpi*39.37)
img.setDotsPerMeterY(dpi*39.37)
img.fill(Qt.white)
run(dev, func)
run(img, func)
path = os.path.join(tdir, 'painter.png')
img.save(path)
print('PDF written to:', pdf)
print('Image written to:', path)
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)
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)
def encode_jpeg(file_path, quality=80):
from calibre.utils.speedups import ReadOnlyFileBuffer
quality = max(0, min(100, int(quality)))
exe = get_exe_path('cjpeg')
cmd = [exe] + '-optimize -progressive -maxmemory 100M -quality'.split() + [str(quality)]
img = QImage()
if not img.load(file_path):
raise ValueError('%s is not a valid image file' % file_path)
ba = QByteArray()
buf = QBuffer(ba)
buf.open(QBuffer.WriteOnly)
if not img.save(buf, 'PPM'):
raise ValueError('Failed to export image to PPM')
return run_optimizer(file_path, cmd, as_filter=True, input_data=ReadOnlyFileBuffer(ba.data()))
def encode_jpeg(file_path, quality=80):
from calibre.utils.speedups import ReadOnlyFileBuffer
quality = max(0, min(100, int(quality)))
exe = get_exe_path('cjpeg')
cmd = [exe] + '-optimize -progressive -maxmemory 100M -quality'.split() + [str(quality)]
img = QImage()
if not img.load(file_path):
raise ValueError('%s is not a valid image file' % file_path)
ba = QByteArray()
buf = QBuffer(ba)
buf.open(QBuffer.WriteOnly)
if not img.save(buf, 'PPM'):
raise ValueError('Failed to export image to PPM')
return run_optimizer(file_path, cmd, as_filter=True, input_data=ReadOnlyFileBuffer(ba.data()))
def scale_image(data,
width=60,
height=80,
compression_quality=70,
as_png=False,
preserve_aspect_ratio=True):
''' Scale an image, returning it as either JPEG or PNG data (bytestring).
Transparency is alpha blended with white when converting to JPEG. Is thread
safe and does not require a QApplication. '''
# We use Qt instead of ImageMagick here because ImageMagick seems to use
# some kind of memory pool, causing memory consumption to sky rocket.
if isinstance(data, QImage):
img = data
else:
img = QImage()
if not img.loadFromData(data):
raise ValueError('Could not load image for thumbnail generation')
if preserve_aspect_ratio:
scaled, nwidth, nheight = fit_image(img.width(), img.height(), width,
height)
if scaled:
img = img.scaled(nwidth, nheight, Qt.KeepAspectRatio,
Qt.SmoothTransformation)
else:
if img.width() != width or img.height() != height:
img = img.scaled(width, height, Qt.IgnoreAspectRatio,
Qt.SmoothTransformation)
if not as_png and img.hasAlphaChannel():
nimg = QImage(img.size(), QImage.Format_RGB32)
nimg.fill(Qt.white)
p = QPainter(nimg)
p.drawImage(0, 0, img)
p.end()
img = nimg
ba = QByteArray()
buf = QBuffer(ba)
buf.open(QBuffer.WriteOnly)
fmt = 'PNG' if as_png else 'JPEG'
if not img.save(buf, fmt, quality=compression_quality):
raise ValueError('Failed to export thumbnail image to: ' + fmt)
return img.width(), img.height(), ba.data()
def render_img(image, dest, width=128, height=128):
from PyQt5.Qt import QImage, Qt
img = QImage(I(image)).scaled(width, height, Qt.IgnoreAspectRatio,
Qt.SmoothTransformation)
img.save(dest)
def render_svg(filepath):
must_use_qt(headless=False)
pngpath = filepath[:-4] + '.png'
i = QImage(filepath)
i.save(pngpath)
def render_img(image, dest, width=128, height=128):
from PyQt5.Qt import QImage, Qt
img = QImage(I(image)).scaled(width, height, Qt.IgnoreAspectRatio, Qt.SmoothTransformation)
img.save(dest)
def render_svg(filepath):
must_use_qt(headless=False)
pngpath = filepath[:-4] + '.png'
i = QImage(filepath)
i.save(pngpath)
# -*- coding: utf-8 -*-
__author__ = 'ipetrash'
# SOURCE: https://stackoverflow.com/a/8551810/5909792
from PyQt5.Qt import QApplication, QSvgRenderer, QImage, Qt, QPainter
# A QApplication instance is necessary if fonts are used in the SVG
app = QApplication([])
# Load your SVG
renderer = QSvgRenderer("input.svg")
for width, height in [(32, 32), (64, 64), (512, 512), (4096, 4096)]:
# Prepare a QImage with desired characteritisc
image = QImage(width, height, QImage.Format_ARGB32)
# Partly transparent red-ish background
image.fill(Qt.transparent)
# Get QPainter that paints to the image
painter = QPainter(image)
renderer.render(painter)
# Save, image format based on file extension
image.save("output_{}x{}.png".format(width, height))
# FIX error: "Process finished with exit code -1073741819 (0xC0000005)"
painter.end()
