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DrawOnYourScreen
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color-picker extension support 

The color picker use the ["Color Picker" extensions](https://github.com/tuberry/color-picker) if it is available thanks to `pickAsync` "api". In comparaison to the GS color picker, it provides a colored cursor and a menu to adjust the color.
This commit is contained in:
abakkk 2020-09-20 04:54:01 +02:00
parent af694382c8
commit 737bc856c4
1 changed files with 19 additions and 6 deletions
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25
area.js
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@ -50,6 +50,7 @@ const SVG_DEBUG_EXTENDS = false;
const TEXT_CURSOR_TIME = 600; // ms
const ELEMENT_GRABBER_TIME = 80; // ms, default is about 16 ms
const GRID_TILES_HORIZONTAL_NUMBER = 30;
const COLOR_PICKER_EXTENSION_UUID = 'color-picker@tuberry';
const { Shapes, Transformations } = Elements;
const { DisplayStrings } = Menu;
@ -75,10 +76,6 @@ const getColorFromString = function(string, fallback) {
return color;
};
const getColorFromRGB = function(red, green, blue) {
return getColorFromString(`rgb(${red},${green},${blue})`, 'White');
};
// DrawingArea is the widget in which we draw, thanks to Cairo.
// It creates and manages a DrawingElement for each "brushstroke".
// It handles pointer/mouse/(touch?) events and some keyboard events.
@ -1038,8 +1035,10 @@ var DrawingArea = new Lang.Class({
},
_onColorPicked: function(color) {
let { red, green, blue } = color;
this.currentColor = getColorFromRGB(red, green, blue);
if (color instanceof Clutter.Color)
color = color.to_string().slice(0, -2);
this.currentColor = getColorFromString(color);
if (this.currentElement) {
this.currentElement.color = this.currentColor;
this._redisplay();
@ -1056,6 +1055,20 @@ var DrawingArea = new Lang.Class({
// Translators: It is displayed in an OSD notification to ask the user to start picking, so it should use the imperative mood.
this.emit('show-osd', Files.Icons.COLOR_PICKER, pgettext("osd-notification", "Pick a color"), "", -1, false);
let extension = Main.extensionManager && Main.extensionManager.lookup(COLOR_PICKER_EXTENSION_UUID);
if (extension && extension.state == ExtensionUtils.ExtensionState.ENABLED && extension.stateObj && extension.stateObj.pickAsync) {
extension.stateObj.pickAsync().then(result => {
if (typeof result == 'string')
this._onColorPicked(result);
else
this.initPointerCursor();
}).catch(e => {
this.initPointerCursor();
});
return;
}
try {
let screenshot = new Shell.Screenshot();
let pickPixel = new Screenshot.PickPixel(screenshot);