コード例 #1
0
ファイル: image_widget.py プロジェクト: cmbruns/schmereo
 def image_from_canvas(self, pos: CanvasPos) -> ImagePixelCoordinate:
     fip = FractionalImagePos.from_CanvasPos(pos, self.image.transform)
     img = self.image.image
     img_size = (1, 1)
     if img:
         img_size = (img.width, img.height)
     ip = ImagePixelCoordinate.from_FractionalImagePos(fip, img_size)
     return ip
コード例 #2
0
ファイル: __init__.py プロジェクト: cmbruns/schmereo
 def size(self) -> ImagePixelCoordinate:
     cp1 = CanvasPos(self.left, self.top)
     cp2 = CanvasPos(self.right, self.bottom)
     xform = self.images[0].transform
     img_size = self.images[0].size()
     fips = [
         FractionalImagePos.from_CanvasPos(pos, xform) for pos in (cp1, cp2)
     ]
     ipcs = [
         ImagePixelCoordinate.from_FractionalImagePos(pos, img_size)
         for pos in fips
     ]
     width = int(round(abs(ipcs[1].x - ipcs[0].x)) + 0.1)
     height = int(round(abs(ipcs[1].y - ipcs[0].y)) + 0.1)
     return ImagePixelCoordinate(width, height)
コード例 #3
0
ファイル: __init__.py プロジェクト: cmbruns/schmereo
 def recenter(self):
     center_x = 0.5 * (self.right + self.left)
     center_y = 0.5 * (self.bottom + self.top)
     if center_x == 0 and center_y == 0:
         return
     self._dirty = True
     # 1) change clip box
     self.right -= center_x
     self.left = -self.right
     self.top -= center_y
     self.bottom = -self.top
     # 2) change camera(s)
     dcp = CanvasPos(center_x, center_y)
     self.camera.center -= CanvasPos(center_x, center_y)
     # 3) change image center(s)
     for img in self.images:
         fpc = img.transform.center
         cpc = CanvasPos.from_FractionalImagePos(fpc, img.transform)
         cpc += dcp
         fpc = FractionalImagePos.from_CanvasPos(cpc, img.transform)
         img.transform.center = fpc
コード例 #4
0
ファイル: image_widget.py プロジェクト: cmbruns/schmereo
 def x_fract_from_canvas(self, pos: CanvasPos) -> FractionalImagePos:
     return FractionalImagePos.from_CanvasPos(pos, self.image.transform)