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139f57a29d
interpreter. Supposedly these colours will stay fairly constant throughout the game, in which case we no longer need to repaint it with the "best white" colour every time the palette changes. svn-id: r16561
126 lines
3.1 KiB
C++
126 lines
3.1 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2004-2005 The ScummVM project
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*
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* The ReInherit Engine is (C)2000-2003 by Daniel Balsom.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*
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*/
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// Graphics maniuplation routines - private header file
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#ifndef SAGA_GFX_H_
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#define SAGA_GFX_H_
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#include <graphics/surface.h>
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namespace Saga {
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using Common::Point;
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using Common::Rect;
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struct CLIPINFO {
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// input members
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const Rect *src_rect;
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const Rect *dst_rect;
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const Point *dst_pt;
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// output members
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int nodraw;
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int src_draw_x;
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int src_draw_y;
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int dst_draw_x;
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int dst_draw_y;
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int draw_w;
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int draw_h;
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};
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struct PALENTRY {
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byte red;
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byte green;
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byte blue;
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};
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struct COLOR {
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int red;
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int green;
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int blue;
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int alpha;
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};
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struct SURFACE : Graphics::Surface {
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Rect clip_rect;
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};
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#define PAL_ENTRIES 256
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#define RGB_RED 0x00FF0000UL
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#define RGB_GREEN 0x0000FF00UL
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#define RGB_BLUE 0x000000FFUL
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#define CURSOR_W 7
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#define CURSOR_H 7
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#define CURSOR_ORIGIN_X 4
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#define CURSOR_ORIGIN_Y 4
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#define RED_WEIGHT 0.299
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#define GREEN_WEIGHT 0.587
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#define BLUE_WEIGHT 0.114
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int drawPalette(SURFACE *dst_s);
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int bufToSurface(SURFACE *ds, const byte *src, int src_w, int src_h, Rect *src_rect, Point *dst_pt);
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int bufToBuffer(byte * dst_buf, int dst_w, int dst_h, const byte *src,
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int src_w, int src_h, Rect *src_rect, Point *dst_pt);
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int getClipInfo(CLIPINFO *clipinfo);
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int drawRect(SURFACE *ds, const Rect *dst_rect, int color);
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int drawFrame(SURFACE *ds, const Point *p1, const Point *p2, int color);
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int drawPolyLine(SURFACE *ds, const Point *pts, int pt_ct, int draw_color);
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int clipLine(SURFACE *ds, const Point *src_p1, const Point *src_p2, Point *dst_p1, Point *dst_p2);
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void drawLine(SURFACE * ds, const Point *p1, const Point *p2, int color);
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bool hitTestPoly(const Point *points, unsigned int npoints, const Point& test_point);
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class Gfx {
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public:
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Gfx(OSystem *system, int width, int height, GameDetector &detector);
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SURFACE *getBackBuffer();
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int getWhite();
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int getBlack();
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int matchColor(unsigned long colormask);
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int setPalette(SURFACE *surface, PALENTRY *pal);
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int getCurrentPal(PALENTRY *src_pal);
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int palToBlack(SURFACE *surface, PALENTRY *src_pal, double percent);
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int blackToPal(SURFACE *surface, PALENTRY *src_pal, double percent);
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void updateCursor() { setCursor(); }
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void showCursor(bool state);
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private:
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void setCursor();
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int _init;
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SURFACE _back_buf;
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int _white_index;
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int _black_index;
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byte _cur_pal[PAL_ENTRIES * 4];
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OSystem *_system;
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};
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} // End of namespace Saga
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#endif
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