mcga_graphics.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/>.
 *
 */

#ifndef CHEWY_MCGA_GRAPHICS_H
#define CHEWY_MCGA_GRAPHICS_H

#include "graphics/screen.h"

namespace Chewy {

class McgaGraphics {
public:
    McgaGraphics();
    ~McgaGraphics();

    void init();

    void setPointer(byte *ptr);

    void setPalette(byte *palette);
    void raster_col(int16 c, int16 r, int16 g, int16 b);
    void fadeIn(byte *palette);
    void fadeOut();
    void set_partialpalette(const byte *palette, int16 startCol, int16 nr);

    void cls();
    void drawLine(int16 x1, int16 y1, int16 x2, int16 y2, int16 color);
    void box(int16 x1, int16 y1, int16 x2, int16 y2, int16 color);
    void boxFill(int16 x1, int16 y1, int16 x2, int16 y2, int16 color);
    void pop_box(int16 x, int16 y, int16 x1, int16 y1,
                 int16 col1, int16 col2, int16 back_col);

    void copyToScreen();

    void spriteSave(byte *spritePtr, int16 x, int16 y, int16 width,
                    int16 height);
    void spriteSet(byte *sptr, int16 x, int16 y, int16 scrWidth, uint16 spriteWidth = 0, uint16 spriteHeight = 0);
    void scale_set(byte *sptr, int16 x, int16 y, int16 xdiff,
                   int16 ydiff, int16 scrwidth);
    void map_spr2screen(byte *sptr, int16 x, int16 y);

    void plot_scan_cur(int16 x, int16 y, int16 fcol, int16 bcol, int16 scrwidth,
                       char cursor);
    int16 scanxy(int16 x, int16 y, int16 fcol, int16 bcol, int16 cur_col, int16 scrwidth, const char *string, ...);
    void printxy(int16 x, int16 y, int16 fgCol, int16 bgCol, int16 scrwidth,
        const char *format);
    void move(int16 x, int16 y);
    int16 findHotspot(const Common::Rect *hotspots);

private:
    int16 devices();
    void putz(unsigned char c, int16 fgCol, int16 bgCol, int16 scrWidth);

    // Zoom related
    void setXVals();
    void setYVals(int spriteHeight);
    void clip(byte *&source, byte *&dest, int16 &x, int16 &y);
    void zoom_set(byte *source, int16 x, int16 y, int16 xDiff, int16 yDiff, int16 scrWidth);

    byte _palTable[PALETTE_SIZE];
    uint8 _einfuegen = 0;

    int _zoomSpriteDeltaX2;
    int _zoomSpriteDeltaY2;
    int _zoomSpriteXVal1, _zoomSpriteXVal2;
    int _zoomSpriteYVal1, _zoomSpriteYVal2;
};

} // namespace Chewy

#endif