mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-22 18:02:05 +00:00
156 lines
3.5 KiB
C++
156 lines
3.5 KiB
C++
/* ScummVM - Scumm Interpreter
|
|
* Copyright (C) 2004-2005 The ScummVM project
|
|
*
|
|
* The ReInherit Engine is (C)2000-2003 by Daniel Balsom.
|
|
*
|
|
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*
|
|
* $Header$
|
|
*
|
|
*/
|
|
|
|
// Graphics maniuplation routines - private header file
|
|
|
|
#ifndef SAGA_GFX_H_
|
|
#define SAGA_GFX_H_
|
|
|
|
#include "graphics/surface.h"
|
|
|
|
namespace Saga {
|
|
|
|
using Common::Point;
|
|
using Common::Rect;
|
|
|
|
struct ClipData {
|
|
// input members
|
|
Rect sourceRect;
|
|
Rect destRect;
|
|
Point destPoint;
|
|
|
|
// output members
|
|
Point drawSource;
|
|
Point drawDest;
|
|
int drawWidth;
|
|
int drawHeight;
|
|
|
|
bool calcClip() {
|
|
Common::Rect s;
|
|
|
|
// Adjust the rect to draw to its screen coordinates
|
|
s = sourceRect;
|
|
s.left += destPoint.x;
|
|
s.right += destPoint.x;
|
|
s.top += destPoint.y;
|
|
s.bottom += destPoint.y;
|
|
|
|
s.clip(destRect);
|
|
|
|
if ((s.width() <= 0) || (s.height() <= 0)) {
|
|
return false;
|
|
}
|
|
|
|
drawSource.x = s.left - sourceRect.left - destPoint.x;
|
|
drawSource.y = s.top - sourceRect.top - destPoint.y;
|
|
drawDest.x = s.left;
|
|
drawDest.y = s.top;
|
|
drawWidth = s.width();
|
|
drawHeight = s.height();
|
|
|
|
return true;
|
|
}
|
|
};
|
|
|
|
#pragma START_PACK_STRUCTS
|
|
struct PalEntry {
|
|
byte red;
|
|
byte green;
|
|
byte blue;
|
|
} GCC_PACK;
|
|
|
|
#pragma END_PACK_STRUCTS
|
|
|
|
struct Color {
|
|
int red;
|
|
int green;
|
|
int blue;
|
|
int alpha;
|
|
};
|
|
|
|
struct Surface : Graphics::Surface {
|
|
|
|
void transitionDissolve(const byte *sourceBuffer, const Common::Rect &sourceRect, int flags, double percent);
|
|
void drawPalette();
|
|
void drawPolyLine(const Point *points, int count, int color);
|
|
void blit(const Common::Rect &destRect, const byte *sourceBuffer);
|
|
|
|
void getRect(Common::Rect &rect) {
|
|
rect.left = rect.top = 0;
|
|
rect.right = w;
|
|
rect.bottom = h;
|
|
}
|
|
void drawFrame(const Common::Point &p1, const Common::Point &p2, int color) {
|
|
Common::Rect rect(MIN(p1.x, p2.x), MIN(p1.y, p2.y), MAX(p1.x, p2.x) + 1, MAX(p1.y, p2.y) + 1);
|
|
frameRect(rect, color);
|
|
}
|
|
void drawRect(const Common::Rect &destRect, int color) {
|
|
Common::Rect rect(w , h);
|
|
rect.clip(destRect);
|
|
|
|
if (rect.isValidRect()) {
|
|
fillRect(rect, color);
|
|
}
|
|
}
|
|
};
|
|
|
|
#define PAL_ENTRIES 256
|
|
|
|
#define CURSOR_W 7
|
|
#define CURSOR_H 7
|
|
|
|
#define CURSOR_ORIGIN_X 4
|
|
#define CURSOR_ORIGIN_Y 4
|
|
|
|
bool hitTestPoly(const Point *points, unsigned int npoints, const Point& test_point);
|
|
class SagaEngine;
|
|
|
|
class Gfx {
|
|
public:
|
|
|
|
Gfx(SagaEngine *vm, OSystem *system, int width, int height, GameDetector &detector);
|
|
~Gfx();
|
|
Surface *getBackBuffer() {
|
|
return &_backBuffer;
|
|
}
|
|
|
|
void setPalette(PalEntry *pal);
|
|
void getCurrentPal(PalEntry *src_pal);
|
|
void palToBlack(PalEntry *src_pal, double percent);
|
|
void blackToPal(PalEntry *src_pal, double percent);
|
|
void updateCursor() { setCursor(); }
|
|
void showCursor(bool state);
|
|
|
|
private:
|
|
void setCursor();
|
|
int _init;
|
|
Surface _backBuffer;
|
|
byte _currentPal[PAL_ENTRIES * 4];
|
|
OSystem *_system;
|
|
SagaEngine *_vm;
|
|
};
|
|
|
|
} // End of namespace Saga
|
|
|
|
#endif
|