class svg_size(QDialog):
def showEvent(self, event):
#self.grview.fitInView(self.scene.sceneRect(), Qt.KeepAspectRatio)
pass
def standard_size(self):
# size in sqares times squaresize, minus distance from square borders
w = self.ui.spin_width.value() * self.squaresize - 10
h = self.ui.spin_height.value() * self.squaresize - 10
standard_size = QRectF(0, 0, w, h)
start_pos = QPointF(self.startpos + 5, self.startpos + 5)
self.start_bounding_rect = QRectF(self.startpos + 5, self.startpos + 5,
w, h)
self.accept_rect(standard_size, start_pos)
self.user_rect.setRect(self.start_bounding_rect)
def __init__(self,
parent=None,
original_path=None,
icon_path=None,
xmax=1100,
ymax=1100,
squaresize=100):
super(svg_size, self).__init__(parent)
# boilerplate initialization
self.xmax = xmax
self.ymax = ymax
self.squaresize = squaresize
self.ui = size_gui()
self.ui.setupUi(self)
self.startpos = 5 * self.squaresize
self.icon_path = Path(icon_path) if icon_path else None
self.original_path = Path(original_path) if original_path else None
self.outfilepath = None
# set up grahpicsView
self.grview = MyQGraphicsView(self)
self.grview.setGeometry(QRect(0, 0, 571, 571))
self.grview.setContextMenuPolicy(Qt.NoContextMenu)
self.grview.setFrameShadow(QFrame.Plain)
self.grview.setSizeAdjustPolicy(QAbstractScrollArea.AdjustIgnored)
self.grview.setObjectName("graphicsView")
#self.ui.graphicsView.wheelEvent = my_mouse_wheel_event
self.scene = myGraphicsScene(
) # use my own scene class with the added signal
self.scene.setSceneRect(0, 0, self.xmax, self.ymax)
# Paint the grid lines every 100 "svg_points"
for i in range(0, self.xmax + 1, self.squaresize):
self.line(i, hori=False)
for i in range(0, self.ymax + 1, self.squaresize):
self.line(i, hori=True)
# start rect and svg with some standard numbers
self.svg = QGraphicsSvgItem(str(icon_path))
self.user_rect = GraphicsRectItem(
QRectF(self.startpos + 5, self.startpos + 5, self.squaresize - 10,
self.squaresize - 10))
# add svg and rect to scene
self.scene.addItem(self.svg)
self.scene.addItem(self.user_rect)
# set sizes according to spinboxes
start_bounding_rect = self.standard_size()
# connect interactive elements
self.ui.spin_height.valueChanged.connect(self.standard_size)
self.ui.spin_width.valueChanged.connect(self.standard_size)
self.scene.rect_changed.connect(self.accept_rect)
# put the graphics on the screen and show
self.grview.setScene(self.scene)
#self.grview.fitInView(self.scene.sceneRect(), Qt.KeepAspectRatio)
self.grview.show()
def retranslateUI(self):
_translate = QtCore.QCoreApplication.translate
self.graphicsView.setToolTip(
_translate(
"dialog_symbol_sizing",
"After width and height are entered, do the last adjustments in this window"
))
def line(self, coord, hori=True):
if hori:
self.scene.addLine(0, coord, self.xmax, coord, QPen())
else:
self.scene.addLine(coord, 0, coord, self.ymax, QPen())
def accept_rect(self, rect, pos):
''' takes the new coordinates from the moved rectangle and applies them to the svg graphic'''
br = self.svg.boundingRect()
relative = min(br.width(), br.height())
rect_min = min(rect.width(), rect.height())
scale = rect_min / relative
self.svg.setScale(scale)
self.svg_scale = scale
pos_x = pos.x() + rect.x()
pos_y = pos.y() + rect.y()
self.svg.setX(pos_x)
self.svg.setY(pos_y)
self.svg_pos = (pos_x % self.squaresize, pos_y % self.squaresize)
