/*
 *  Copyright 2007-2010  Parker Coates <coates@kde.org>
 *
 *  This file is part of Killbots.
 *
 *  Killbots is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  Killbots is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with Killbots. If not, see <http://www.gnu.org/licenses/>.
 */

#include "renderer.h"

#include "settings.h"

#include <KgTheme>
#include <KgThemeProvider>
#include <KGameRenderer>

#include <QCursor>

static KgThemeProvider *provider()
{
    KgThemeProvider *prov = new KgThemeProvider;
    prov->discoverThemes(
        "appdata", QStringLiteral("themes"), //theme file location
        QStringLiteral("robotkill")          //default theme file name
    );
    return prov;
}

static Killbots::Renderer *r = nullptr;

Killbots::Renderer *Killbots::Renderer::self()
{
    if (!r) {
        r = new Killbots::Renderer();
    }
    return r;
}

void Killbots::Renderer::cleanup()
{
    delete r;
    r = nullptr;
}

Killbots::Renderer::Renderer()
    : KGameRenderer(provider())
{
}

QCursor Killbots::Renderer::cursorFromAction(int direction)
{
    QString element = QStringLiteral("cursor%1").arg(direction);
    QPixmap pixmap = spritePixmap(element, QSize(42, 42));
    return QCursor(pixmap);
}

QColor Killbots::Renderer::textColor()
{
    if (m_cachedTheme != theme()->identifier()) {
        m_textColor = spritePixmap(QStringLiteral("textcolor"), QSize(3, 3)).toImage().pixel(1, 1);
        m_cachedTheme = theme()->identifier();
    }
    return m_textColor;
}

qreal Killbots::Renderer::aspectRatio()
{
    const QRectF tileRect = boundsOnSprite(QStringLiteral("cell"));
    return qBound<qreal>(0.3333, tileRect.width() / tileRect.height(), 3.0);
}
