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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_GRAPHICS_H
#define AGI_GRAPHICS_H
#include "agi/font.h"
namespace Agi {
#define SCRIPT_WIDTH 160
#define SCRIPT_HEIGHT 168
#define DISPLAY_WIDTH 320
#define DISPLAY_HEIGHT 200
#define GFX_WIDTH 320
#define GFX_HEIGHT 200
#define CHAR_COLS 8
#define CHAR_LINES 8
class AgiEngine;
enum GfxScreenMasks {
GFX_SCREEN_MASK_VISUAL = 1,
GFX_SCREEN_MASK_PRIORITY = 2,
GFX_SCREEN_MASK_ALL = GFX_SCREEN_MASK_VISUAL|GFX_SCREEN_MASK_PRIORITY
};
struct MouseCursorData {
const byte *bitmapData;
uint16 width;
uint16 height;
int hotspotX;
int hotspotY;
};
class GfxMgr {
private:
AgiBase *_vm;
uint8 _paletteGfxMode[256 * 3];
uint8 _paletteTextMode[256 * 3];
uint8 _agipalPalette[16 * 3];
int _agipalFileNum;
public:
GfxMgr(AgiBase *vm);
int initVideo();
int deinitVideo();
void initPalette(uint8 *destPalette, const uint8 *paletteData, uint colorCount = 16, uint fromBits = 6, uint toBits = 8);
void setAGIPal(int);
int getAGIPalFileNum();
void setPalette(bool GfxModePalette);
void initMouseCursor(MouseCursorData *mouseCursor, const byte *bitmapData, uint16 width, uint16 height, int hotspotX, int hotspotY);
void setMouseCursor(bool busy = false);
void setRenderStartOffset(uint16 offsetY);
uint16 getRenderStartOffsetY();
private:
uint _pixels;
//uint16 _displayWidth;
//uint16 _displayHeight;
uint _displayPixels;
byte *_activeScreen;
byte *_visualScreen; // 160x168
byte *_priorityScreen; // 160x168
byte *_displayScreen; // 320x200
bool _priorityTableSet;
uint8 _priorityTable[SCRIPT_HEIGHT]; /**< priority table */
MouseCursorData _mouseCursor;
MouseCursorData _mouseCursorBusy;
uint16 _renderStartOffsetY;
public:
void debugShowMap(int mapNr);
void clear(byte color, byte priority);
void clearDisplay(byte color, bool copyToScreen = true);
void putPixel(int16 x, int16 y, byte drawMask, byte color, byte priority);
void putPixelOnDisplay(int16 x, int16 y, byte color);
byte getColor(int16 x, int16 y);
byte getPriority(int16 x, int16 y);
bool checkControlPixel(int16 x, int16 y, byte newPriority);
byte getCGAMixtureColor(byte color);
void render_Block(int16 x, int16 y, int16 width, int16 height, bool copyToScreen = true);
bool render_Clip(int16 &x, int16 &y, int16 &width, int16 &height, int16 clipAgainstWidth = SCRIPT_WIDTH, int16 clipAgainstHeight = SCRIPT_HEIGHT);
private:
void render_BlockEGA(int16 x, int16 y, int16 width, int16 height, bool copyToScreen);
void render_BlockCGA(int16 x, int16 y, int16 width, int16 height, bool copyToScreen);
public:
void transition_Amiga();
void transition_AtariSt();
void block_save(int16 x, int16 y, int16 width, int16 height, byte *bufferPtr);
void block_restore(int16 x, int16 y, int16 width, int16 height, byte *bufferPtr);
void copyDisplayRectToScreen(int16 x, int16 y, int16 width, int16 height);
void drawBox(int16 x, int16 y, int16 width, int16 height, byte backgroundColor, byte lineColor);
void drawRect(int16 x, int16 y, int16 width, int16 height, byte color);
void drawDisplayRect(int16 x, int16 y, int16 width, int16 height, byte color);
private:
void drawDisplayRectEGA(int16 x, int16 y, int16 width, int16 height, byte color);
void drawDisplayRectCGA(int16 x, int16 y, int16 width, int16 height, byte color);
public:
void drawCharacter(int16 row, int16 column, byte character, byte foreground, byte background, bool disabledLook);
void shakeScreen(int16 repeatCount);
void updateScreen();
void initPriorityTable();
void setPriorityTable(int16 priorityBase);
void setPriority(int16 yPos, int16 priority);
int16 priorityToY(int16 priority);
int16 priorityFromY(int16 yPos);
};
} // End of namespace Agi
#endif /* AGI_GRAPHICS_H */
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