編集履歴

質問編集履歴

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2019/07/17 09:45

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@@ -16,7 +16,7 @@
-```python
+```clip
 import numpy as np
@@ -80,15 +80,381 @@
 #関数定義
-mask_and_alpha(base_img, mask_img, basename)
 ```
+```main
+# -*- coding: utf-8 -*-
+from random import random
+from kivy.app import App
+from kivy.config import Config
+import clip
+import cv2
+import os
+# 起動時の解像度の設定
+Config.set('graphics', 'width', '1024')
+Config.set('graphics', 'height', '768')  # 16:9
+Config.set('graphics', 'resizable', False)  # ウインドウリサイズ禁止
+from kivy.uix.widget import Widget
+from kivy.uix.button import Button
+from kivy.graphics import Color, Ellipse, Line
+from kivy.properties import ObjectProperty
+from kivy.uix.behaviors import ToggleButtonBehavior
+from kivy.uix.togglebutton import ToggleButton
+from kivy.utils import get_color_from_hex   # 色の16進数表示を可能にする
+from kivy.core.window import Window
+class MyPaintWidget(Widget):
+    #pass
+    last_color = '' # 画面クリアを押された場合の最後の色
+    line_width = 3  # 線の太さ
+    def on_touch_down(self, touch):
+        if Widget.on_touch_down(self, touch):
+            return
+        color = (random(), 1, 1)
+        with self.canvas:
+            touch.ud['line'] = Line(points=(touch.x, touch.y), width=self.line_width)
+    def set_line_width(self, line_width=3):
+        self.line_width = line_width
+    def on_touch_move(self, touch):
+        if touch.ud:    # スライダーを動かす際のエラーを解除するため
+            touch.ud['line'].points += [touch.x, touch.y]
+    def set_color(self, new_color):
+        self.last_color = new_color
+        self.canvas.add(Color(*new_color))
+class MyCanvasWidget(Widget):
+    def clear_canvas(self):
+        MyPaintWidget.clear_canvas(self)
+class MyPaintApp(App):
+    def __init__(self, **kwargs):
+        super(MyPaintApp, self).__init__(**kwargs)
+        self.title = '画像表示'
+    def build(self):
+        parent = Widget()
+        self.painter = MyCanvasWidget()
+        # 起動時の色の設定を行う
+        self.painter.ids['paint_area'].set_color(get_color_from_hex('#000000'))  #黒色を設定
+        return self.painter
+    def clear_canvas(self):
+        self.painter.ids['paint_area'].canvas.clear()
+        self.painter.ids['paint_area'].set_color(self.painter.ids['paint_area'].last_color)
+    def save_canvas(self):
+        filename_base = 'sample.png'
+        img_path = Window.screenshot("base\" + filename_base)   # スクリーンショットを保存する
-変数imgには読み込んだ画像がbasenameにはファイル名が入ります。
+        basename = os.path.basename(img_path)
+        img = cv2.imread("base\" + basename)
+        cv2.rectangle(img, (0, 0), (78, 39), (255, 255, 255), thickness=-1)
+        img = img[0:637, 0:1024]
+        clip.mask_and_alpha(img, clip.maskgenerate(img, basename), basename)
+class ColorButton(ToggleButton):
+    def _do_press(self):
+        if self.state == 'normal':
+            ToggleButtonBehavior._do_press(self)# ボタンを押されてない場合は状態を変更する
+if __name__ == '__main__':
+    Window.clearcolor = get_color_from_hex('#ffffff')   # ウィンドウの色を白色に変更する
+    MyPaintApp().run()
+```
+```mypaint
+#:import hex_color kivy.utils.get_color_from_hex
+<ColorButton>:
+    background_normal: 'color_button_normal.png'
+    background_down: 'color_button_down.png'
+    group: 'color'
+    border: (5, 5, 5, 5)
+    on_release: app.painter.ids['paint_area'].set_color(self.background_color)
+    #on_release: app.painter.paint_id.set_color(self.background_color) # こ�?�方法でもset_corlorにアクセス可能
+<MyCanvasWidget>:
+    paint_id:paint_area
+    id: canvas_area
+    test:button1
+    Button:
+        text: 'save'
+        color: 1, 1, 1 , 1
+        font_size: 20
+        on_release: app.save_canvas()
+        border: (2, 2, 2, 2)
+        x: 0
+        top: root.top
+        width: 80
+        height: 40
+    BoxLayout:
+        orientation: 'vertical'
+        height: root.height
+        width: root.width
+        MyPaintWidget:
+            id: paint_area
+            size_hint_y: 0.8
+        BoxLayout:
+            orientation: 'horizontal'
+            size_hint_y: 0.1
+            Label:
+                size_hint_x: 0.1
+                text: 'Line width %s' % int(s1.value) if s1.value else 'Line width not set'
+                color: 0,0,0,1
+            Slider:
+                id: s1
+                size_hint_x: 0.9
+                value: 3
+                range: (1,100)
+                step: 1
+                on_touch_down:app.painter.ids['paint_area'].set_line_width(self.value)
+        BoxLayout:
+            orientation: 'horizontal'
+            size_hint_y: 0.1
+            clear_btn:button1
+            Button:
+                id: button1
+                text: "Clear"
+                ont_size: 30
+                on_release: app.clear_canvas()
+            ColorButton:
+                text: "white "
+                color: 0, 0, 0 , 1
+                background_color: hex_color('#ffffff')
+            ColorButton:
+                text: "black "
+                state: 'down'
+                background_color: hex_color('#000000')
+            ColorButton:
+                text: "red "
+                background_color: hex_color('#ff0000')
+            ColorButton:
+                text: "biue "
+                background_color: hex_color('#0000ff')
+            ColorButton:
+                text: "green "
+                background_color: hex_color('#008000')
+            ColorButton:
+                text: "orange"
+                background_color: hex_color('#ff4500')
+            ColorButton:
+                text: "purple"
+                background_color: hex_color('#800080')
+```
+clip,mainにはそれぞれ拡張子として.py、mypaintには.kvが付きます![イメージ説明](027834afadb964c124192c606415d7dc.png)
+↑失敗例の切り抜き画像

プログラムの追記

2019/07/17 09:45

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@@ -76,9 +76,13 @@
     return clip
 #関数定義
+mask_and_alpha(base_img, mask_img, basename)
 ```