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/* 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef AGI_PICTURE_H
#define AGI_PICTURE_H
namespace Agi {
#define _DEFAULT_WIDTH 160
#define _DEFAULT_HEIGHT 168
/**
* AGI picture resource.
*/
struct AgiPicture {
uint32 flen; /**< size of raw data */
uint8 *rdata; /**< raw vector image data */
};
// AGI picture version
enum AgiPictureVersion {
AGIPIC_C64,
AGIPIC_V1,
AGIPIC_V15,
AGIPIC_V2
};
enum AgiPictureFlags {
kPicFNone = (1 << 0),
kPicFCircle = (1 << 1),
kPicFStep = (1 << 2),
kPicFf3Stop = (1 << 3),
kPicFf3Cont = (1 << 4),
kPicFTrollMode = (1 << 5)
};
class AgiBase;
class GfxMgr;
class PictureMgr {
AgiBase *_vm;
GfxMgr *_gfx;
private:
void drawLine(int x1, int y1, int x2, int y2);
void dynamicDrawLine();
void absoluteDrawLine();
int isOkFillHere(int x, int y);
void agiFill(unsigned int x, unsigned int y);
void xCorner(bool skipOtherCoords = false);
void yCorner(bool skipOtherCoords = false);
void fill();
int plotPatternPoint(int x, int y, int bitpos);
void plotBrush();
uint8 nextByte() { return _data[_foffs++]; }
public:
PictureMgr(AgiBase *agi, GfxMgr *gfx);
void putVirtPixel(int x, int y);
int decodePicture(int n, int clear, bool agi256 = false, int pic_width = _DEFAULT_WIDTH, int pic_height = _DEFAULT_HEIGHT);
int decodePicture(byte* data, uint32 length, int clear, int pic_width = _DEFAULT_WIDTH, int pic_height = _DEFAULT_HEIGHT);
int unloadPicture(int);
void drawPicture();
void showPic(int x = 0, int y = 0, int pic_width = _DEFAULT_WIDTH, int pic_height = _DEFAULT_HEIGHT);
uint8 *convertV3Pic(uint8 *src, uint32 len);
void plotPattern(int x, int y); // public because it's used directly by preagi
void setPattern(uint8 code, uint8 num);
void setPictureVersion(AgiPictureVersion version);
void setPictureData(uint8 *data, int len = 4096);
void setPictureFlags(int flags) { _flags = flags; }
void clear();
void setOffset(int offX, int offY) {
_xOffset = offX;
_yOffset = offY;
}
void setDimensions(int w, int h) {
_width = w;
_height = h;
}
void putPixel(int x, int y, uint8 color) {
_scrColor = color;
_priOn = false;
_scrOn = true;
putVirtPixel(x, y);
}
bool isPictureLoaded() { return _data != NULL; }
private:
uint8 *_data;
uint32 _flen;
uint32 _foffs;
uint8 _patCode;
uint8 _patNum;
uint8 _priOn;
uint8 _scrOn;
uint8 _scrColor;
uint8 _priColor;
uint8 _minCommand;
AgiPictureVersion _pictureVersion;
int _width, _height;
int _xOffset, _yOffset;
int _flags;
int _currentStep;
};
} // End of namespace Agi
#endif /* AGI_PICTURE_H */
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