質問編集履歴
2
追加
test
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File without changes
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test
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@@ -259,3 +259,91 @@
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win.mainloop()
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```
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**追記（subsample()による縮小、scaleが0以下だと拡大が意図した動作とは違う動作になる）**
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```
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def zoom_up(self, e, app):
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if self.img_disp_flag == True:
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self.canvas.delete(self.disp_image)
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self.scale -= 1
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self.img_zoom_up = self.img.subsample(self.scale, self.scale)
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#self.img_zoom_up = self.img.zoom(x=self.scale, y=self.scale)
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self.disp_image = self.canvas.create_image(0, 0, image=self.img_zoom_up, anchor=tk.NW)
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self.img_x_zoom_up = self.img_zoom_up.width()
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self.img_y_zoom_up = self.img_zoom_up.height()
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print("size:", self.img_x_zoom_up, self.img_y_zoom_up)
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print("scale:", self.scale)
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else:
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print("Not displaying an image yet!")
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def zoom_down(self, e, app):
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if self.img_disp_flag == True:
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self.canvas.delete(self.disp_image)
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self.scale += 1
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self.img_zoom_down = self.img.subsample(self.scale, self.scale)
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self.disp_image = self.canvas.create_image(0, 0, image=self.img_zoom_down, anchor=tk.NW)
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self.img_x_zoom_down = self.img_zoom_down.width()
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self.img_y_zoom_down = self.img_zoom_down.height()
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print("size:", self.img_x_zoom_down, self.img_y_zoom_down)
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print("scale:", self.scale)
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else:
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print("Not displaying an image yet!")
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def zoom_default(self, e, app):
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if self.img_disp_flag == True:
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self.canvas.delete(self.disp_image)
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self.scale = 1
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self.img_zoom_default = self.img.subsample(self.scale, self.scale)
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self.disp_image = self.canvas.create_image(0, 0, image=self.img_zoom_default, anchor=tk.NW)
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print("size:", self.img_x, self.img_y)
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print("scale:", self.scale)
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else:
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print("Not displaying an image yet!")
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```
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1
追加
test
CHANGED
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File without changes
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test
CHANGED
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@@ -122,7 +122,7 @@
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-
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# バインド
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def bind_event(self):
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@@ -140,7 +140,7 @@
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-
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# 画像上でマウスホイールを動かしたとき
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def wheel_rotated(self, e, app):
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@@ -152,7 +152,7 @@
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-
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# 画像の拡大
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def zoom_up(self, e, app):
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@@ -164,7 +164,7 @@
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-
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# 画像の縮小
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def zoom_down(self, e, app):
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@@ -176,7 +176,7 @@
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-
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# 倍率をデフォルトに戻す
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def zoom_default(self, e, app):
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@@ -206,7 +206,7 @@
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-
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# 画像の表示
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def img_disp(self, e, app):
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@@ -228,7 +228,7 @@
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-
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# 画像の非表示
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def img_hide(self, e, app):
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