mieki256's diary

sudo apt install xdg-user-dirs-gtk
LANG=C xdg-user-dirs-gtk-update

cat ~/.config/user-dirs.dirs

# This file is written by xdg-user-dirs-update
# If you want to change or add directories, just edit the line you're
# interested in. All local changes will be retained on the next run.
# Format is XDG_xxx_DIR="$HOME/yyy", where yyy is a shell-escaped
# homedir-relative path, or XDG_xxx_DIR="/yyy", where /yyy is an
# absolute path. No other format is supported.
#
XDG_DESKTOP_DIR="$HOME/デスクトップ"
XDG_DOWNLOAD_DIR="$HOME/ダウンロード"
XDG_TEMPLATES_DIR="$HOME/テンプレート"
XDG_PUBLICSHARE_DIR="$HOME/公開"
XDG_DOCUMENTS_DIR="$HOME/ドキュメント"
XDG_MUSIC_DIR="$HOME/音楽"
XDG_PICTURES_DIR="$HOME/画像"
XDG_VIDEOS_DIR="$HOME/ビデオ"

XDG_DESKTOP_DIR="$HOME/Desktop"
XDG_DOWNLOAD_DIR="$HOME/Downloads"
XDG_TEMPLATES_DIR="$HOME/Templates"
XDG_PUBLICSHARE_DIR="$HOME/Public"
XDG_DOCUMENTS_DIR="$HOME/Documents"
XDG_MUSIC_DIR="$HOME/Music"
XDG_PICTURES_DIR="$HOME/Pictures"
XDG_VIDEOS_DIR="$HOME/Videos"

cat ~/.config/user-dirs.locale

ja_JP

en_GB

mv デスクトップ/ Desktop/
mv ダウンロード/ Downloads/
mv テンプレート/ Templates/
mv 公開/ Public/
mv ドキュメント/ Documents/
mv 音楽/ Music/
mv 画像/ Pictures/
mv ビデオ/ Videos/

LC_ALL=C xdg-user-dirs-gtk-update

python -m pip install --upgrade pip wheel setuptools
python -m pip install --upgrade docutils pygments pypiwin32 kivy-deps.sdl2 kivy-deps.glew
python -m pip install kivy-deps.gstreamer
python -m pip install kivy-deps.angle
python -m pip install Kivy
python -m pip install kivy-examples

from PIL import Image
from kivy.app import App
from kivy.uix.widget import Widget
from kivy.properties import StringProperty, ObjectProperty
from kivy.graphics.texture import Texture
from kivy.config import Config
Config.set('graphics', 'width', '640')
Config.set('graphics', 'height', '640')


image_files = [
    "./sample1.png",
    "./sample2.png",
    "./sample3.png",
]


class ImagechgWidget(Widget):
    image_texture = ObjectProperty(None)
    text = StringProperty('')

    def __init__(self, **kwargs):
        super(ImagechgWidget, self).__init__(**kwargs)
        self.image_texture = Texture.create(size=(512, 512))

    def buttonClicked(self):
        self.loadimage(image_files[0])

    def buttonClicked2(self):
        self.loadimage(image_files[1])

    def buttonClicked3(self):
        self.loadimage(image_files[2])

    def loadimage(self, fn):
        self.text = fn
        self.image_texture = image_to_texture(fn)


class Imagechg2App(App):
    def __init__(self, **kwargs):
        super(Imagechg2App, self).__init__(**kwargs)
        self.title = 'Image change'

    def build(self):
        return ImagechgWidget()


def image_to_texture(filepath):
    """Convert Piloow Image to Kivy Texture."""
    img = Image.open(filepath, 'r')

    # convert grayscale for Pillow
    img = img.convert('L').convert('RGB')

    tex = Texture.create(size=img.size)
    tex.blit_buffer(img.tobytes())
    tex.flip_vertical()
    return tex


if __name__ == "__main__":
    Imagechg2App().run()

#:kivy 1.10.1
#
# add comment

ImagechgWidget:

<ImagechgWidget>:
    BoxLayout:
        size: root.size
        orientation: "vertical"

        Image:
            id: image1
            size_hint_y: 0.9
            texture: root.image_texture

            canvas.before:
                Color:
                    rgba: 0, 0, 0, 1
                Rectangle:
                    pos: self.pos
                    size: self.size

        Label:
            id: label_pathname
            text: root.text
            font_size: 16
            size_hint_y: 0.05
            color: 0.8, 0.8, 0.8, 1

            canvas.before:
                Color:
                    rgba: 0.2, 0.2, 0.2, 1
                Rectangle:
                    pos: self.pos
                    size: self.size

        BoxLayout:
            size_hint_y: 0.05

            Button:
                id: button1
                text: "Image 1"
                on_press: root.buttonClicked()

            Button:
                id: button2
                text: "Image 2"
                on_press: root.buttonClicked2()

            Button:
                id: button3
                text: "Image 3"
                on_press: root.buttonClicked3()