qmlcolorpicker.cpp

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//#
//# Copyright (C) 2020-2025 QuasarApp.
//# Distributed under the GPLv3 software license, see the accompanying
//# Everyone is permitted to copy and distribute verbatim copies
//# of this license document, but changing it is not allowed.
//#
 
#include "qmlcolorpicker.h"
 
#include <QQmlApplicationEngine>
#include <QQuickAsyncImageProvider>
namespace ViewSolutions {
 
QMLColorPicker::QMLColorPicker(QObject *parent) :
    QObject(parent) {
 
}
 
QColor QMLColorPicker::pick(const QString &img) const {
 
    if (img.left(6) == "image:") {
        int urlBegin = img.indexOf('/', 8);
        QString id = img.mid(8, urlBegin - 8);
 
        if (auto eng = engine()) {
            QQuickImageProvider* provider = dynamic_cast<QQuickImageProvider*>(eng->imageProvider(id));
 
            if (!provider) {
                return {};
            }
 
            QString url = img.mid(urlBegin + 1);
 
            if (provider->imageType() & QQmlImageProviderBase::ImageResponse) {
                auto async = static_cast<QQuickAsyncImageProvider*>(provider);
                auto textureFacrory = async->requestImageResponse(url, {})->textureFactory();
 
                if (!textureFacrory) {
                    return {};
                }
 
                QColor responce = ColorPicker::pick(textureFacrory->image());
 
                delete textureFacrory;
 
                return responce;
            }
 
            if (provider->imageType() == QQmlImageProviderBase::Texture) {
                return ColorPicker::pick(provider->requestTexture(url, nullptr, {})->image());
            }
 
            if (provider->imageType() == QQmlImageProviderBase::Pixmap) {
                return ColorPicker::pick(provider->requestPixmap(url, nullptr, {}).toImage());
            }
 
            if (provider->imageType() == QQmlImageProviderBase::Image) {
                return ColorPicker::pick(provider->requestImage(url, nullptr, {}));
            }
 
            return {};
        }
 
    }
 
    return ColorPicker::pick(img);
}
 
QString QMLColorPicker::modelId() const {
    return "ColorPicker";
}
 
}