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Add MaxSize limit to ScaledBitmap drawing

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This commit is contained in:
Kazuya O'moto
2025-06-28 03:24:49 +09:00
parent 1327ebdef9
commit 0185bc025b
1 changed files with 10 additions and 6 deletions
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16
wx/lib/floatcanvas/FCObjects.py
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@@ -2139,6 +2139,7 @@ class ScaledBitmap(TextObjectMixin, DrawObject):
self.CalcBoundingBox()
self.ScaledBitmap = None
self.ScaledHeight = None
self.MaxSize = 20e6 # cf. FHD 1,920 x 1,080
def CalcBoundingBox(self):
"""Calculate the bounding box."""
@@ -2152,13 +2153,16 @@ class ScaledBitmap(TextObjectMixin, DrawObject):
XY = WorldToPixel(self.XY)
H = ScaleWorldToPixel(self.Height)[0]
W = int(H * (self.bmpWidth / self.bmpHeight))
if (self.ScaledBitmap is None) or (H != self.ScaledHeight) :
self.ScaledHeight = H
Img = self.Image.Scale(W, H)
self.ScaledBitmap = wx.Bitmap(Img)
XY = self.ShiftFun(XY[0], XY[1], W, H)
dc.DrawBitmap(self.ScaledBitmap, XY, True)
if 0 < H * float(W) < self.MaxSize:
if (self.ScaledBitmap is None) or (H != self.ScaledHeight):
Img = self.Image.Scale(W, H)
self.ScaledHeight = H
self.ScaledBitmap = wx.Bitmap(Img)
dc.DrawBitmap(self.ScaledBitmap, XY, True)
else:
gc = wx.GraphicsContext.Create(dc)
gc.DrawBitmap(self.ScaledBitmap, *XY, W, H)
if HTdc and self.HitAble:
HTdc.SetPen(self.HitPen)
HTdc.SetBrush(self.HitBrush)