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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 */
void reset() {
flen = 0;
rdata = nullptr;
}
AgiPicture() { reset(); }
};
// AGI picture version
enum AgiPictureVersion {
AGIPIC_C64,
AGIPIC_V1,
AGIPIC_V15,
AGIPIC_V2,
AGIPIC_256
};
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;
public:
PictureMgr(AgiBase *agi, GfxMgr *gfx);
int16 getResourceNr() { return _resourceNr; };
private:
void draw_xCorner(bool skipOtherCoords = false);
void yCorner(bool skipOtherCoords = false);
int plotPatternPoint(int x, int y, int bitpos);
void plotBrush();
byte getNextByte();
byte getNextNibble();
public:
void putVirtPixel(int x, int y);
int decodePicture(int16 resourceNr, bool clearScreen, bool agi256 = false, int16 pic_width = _DEFAULT_WIDTH, int16 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();
private:
void drawPictureC64();
void drawPictureV1();
void drawPictureV15();
void drawPictureV2();
void drawPictureAGI256();
void draw_SetColor();
void draw_SetPriority();
void draw_SetNibbleColor();
void draw_SetNibblePriority();
void draw_Line(int16 x1, int16 y1, int16 x2, int16 y2);
void draw_LineShort();
void draw_LineAbsolute();
int draw_FillCheck(int16 x, int16 y);
void draw_Fill(int16 x, int16 y);
void draw_Fill();
public:
void showPic(); // <-- for regular AGI games
void showPic(int16 x, int16 y, int16 pic_width, int16 pic_height); // <-- for preAGI games
void showPicWithTransition();
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;
}
private:
int16 _resourceNr;
uint8 *_data;
uint32 _dataSize;
uint32 _dataOffset;
bool _dataOffsetNibble;
uint8 _patCode;
uint8 _patNum;
uint8 _priOn;
uint8 _scrOn;
uint8 _scrColor;
uint8 _priColor;
uint8 _minCommand;
AgiPictureVersion _pictureVersion;
int16 _width, _height;
int16 _xOffset, _yOffset;
int _flags;
int _currentStep;
};
} // End of namespace Agi
#endif /* AGI_PICTURE_H */
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