🪲 Fix some effects on GNOME 48

src/effects/Matrix.js

@@ -20,9 +20,6 @@ import * as utils from '../utils.js';
 // preferences process. They are used only in the creator function of the ShaderFactory
 // which is only called within GNOME Shell's process.
 const ShaderFactory = await utils.importInShellOnly('./ShaderFactory.js');
-const St            = await utils.importInShellOnly('gi://St');
-const GdkPixbuf     = await utils.importInShellOnly('gi://GdkPixbuf');
-const Cogl          = await utils.importInShellOnly('gi://Cogl');
 
 const _ = await utils.importGettext();
 
@@ -47,12 +44,7 @@ export default class Effect {
     this.shaderFactory = new ShaderFactory(Effect.getNick(), (shader) => {
       // Create the texture in the first call.
       if (!this._fontTexture) {
-        const fontData    = GdkPixbuf.Pixbuf.new_from_resource('/img/matrixFont.png');
-        this._fontTexture = new St.ImageContent();
-        this._fontTexture.set_data(
-          fontData.get_pixels(),
-          fontData.has_alpha ? Cogl.PixelFormat.RGBA_8888 : Cogl.PixelFormat.RGB_888,
-          fontData.width, fontData.height, fontData.rowstride);
+        this._fontTexture = utils.getImageResource('/img/matrixFont.png');
       }
 
       // Store uniform locations of newly created shaders.