renderedimage.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program 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 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

/*
 * This code is based on Broken Sword 2.5 engine
 *
 * Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsdoerfer
 *
 * Licensed under GNU GPL v2
 *
 */

#ifndef SWORD25_RENDERED_IMAGE_H
#define SWORD25_RENDERED_IMAGE_H

// -----------------------------------------------------------------------------
// INCLUDES
// -----------------------------------------------------------------------------

#include "sword25/kernel/common.h"
#include "sword25/gfx/image/image.h"
#include "sword25/gfx/graphicengine.h"
#include "graphics/managed_surface.h"

namespace Sword25 {

class RenderedImage : public Image {
private:
    RenderedImage(const RenderedImage &) : Image(), _doCleanup(false) {}
    RenderedImage &operator=(const RenderedImage &) { return *this; }
public:
    RenderedImage(const Common::String &filename, bool &result);

    RenderedImage(uint width, uint height, bool &result);
    RenderedImage();

    ~RenderedImage() override;

    int getWidth() const override {
        return _surface.w;
    }
    int getHeight() const override {
        return _surface.h;
    }

    void copyDirectly(int posX, int posY);

    bool blit(int posX = 0, int posY = 0,
                      int flipping = Graphics::FLIP_NONE,
                      Common::Rect *pPartRect = NULL,
                      uint color = BS_ARGB(255, 255, 255, 255),
                      int width = -1, int height = -1,
                      RectangleList *updateRects = 0) override;
    bool fill(const Common::Rect *pFillRect, uint color) override;
    bool setContent(const byte *pixeldata, uint size, uint offset = 0, uint stride = 0) override;
    void replaceContent(byte *pixeldata, int width, int height);
    uint getPixel(int x, int y) override;

    bool isBlitSource() const override {
        return true;
    }
    bool isBlitTarget() const override {
        return false;
    }
    bool isScalingAllowed() const override {
        return true;
    }
    bool isFillingAllowed() const override {
        return false;
    }
    bool isAlphaAllowed() const override {
        return true;
    }
    bool isColorModulationAllowed() const override {
        return true;
    }
    bool isSetContentAllowed() const override {
        return true;
    }

    void setAlphaType(Graphics::AlphaType alphaType) { _alphaType = alphaType; }
    bool isSolid() const override { return _alphaType == Graphics::ALPHA_OPAQUE; }

private:
    Graphics::ManagedSurface _surface;
    Graphics::AlphaType _alphaType;
    bool _doCleanup;

    Graphics::ManagedSurface *_backSurface;
};

} // End of namespace Sword25

#endif