High quality png export of bar figures. Save file dialog added for bar figures.

This commit is contained in:
Anne de Jong 2018-10-03 20:14:33 +02:00 committed by J.A. de Jong - ASCEE
parent 6b4e5fba9b
commit 38d1cfe435

View File

@ -36,11 +36,13 @@ DEFAULT_COLORS = [ASCEEColors.blue, ASCEEColors.green, Qt.red, Qt.cyan,
Qt.darkYellow, Qt.darkYellow,
Qt.darkMagenta] Qt.darkMagenta]
def graphicsTextItem(label): def graphicsTextItem(label):
item = QGraphicsTextItem(label) item = QGraphicsTextItem(label)
item.setFont(Branding.figureFont()) item.setFont(Branding.figureFont())
return item return item
class BarScene(QGraphicsScene): class BarScene(QGraphicsScene):
""" """
Graphhics Scene for plotting bars Graphhics Scene for plotting bars
@ -231,18 +233,22 @@ class BarScene(QGraphicsScene):
Returns: Returns:
True on success True on success
""" """
image = QImage(*self.size, size = self.size
pixelsx = max(1200, size[0])
pixelsy = int(pixelsx*size[1]/size[0])
imagesize = (pixelsx, pixelsy)
image = QImage(pixelsx,
pixelsy,
QImage.Format_ARGB32_Premultiplied) QImage.Format_ARGB32_Premultiplied)
painter = QPainter(image) painter = QPainter(image)
# painter.begin() painter.setRenderHint(QPainter.Antialiasing)
# painter.setRenderHint(QPainter.Antialiasing)
painter.setBrush(Qt.white) painter.setBrush(Qt.white)
painter.setPen(Qt.white) painter.setPen(Qt.white)
painter.drawRect(QRect(0, 0, *self.size)) painter.drawRect(QRect(0, 0, *imagesize))
targetrect = QRectF(0, 0, *self.size) targetrect = QRectF(0, 0, *imagesize)
sourcerect = QRectF(0, 0, *self.size) sourcerect = QRectF(0, 0, *size)
self.render(painter, targetrect, sourcerect) self.render(painter, targetrect, sourcerect)
painter.end() painter.end()