mirror of
https://github.com/libretro/scummvm.git
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133 lines
3.1 KiB
C++
133 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 ClipData {
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// input members
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Rect sourceRect;
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Rect destRect;
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Point destPoint;
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// output members
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Point sourceDraw;
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Point destDraw;
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int width;
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int height;
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bool calcClip() {
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Common::Rect s;
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// Adjust the rect to draw to its screen coordinates
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s = sourceRect;
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s.left += destPoint.x;
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s.right += destPoint.x;
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s.top += destPoint.y;
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s.bottom += destPoint.y;
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s.clip(destRect);
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if ((s.width() <= 0) || (s.height() <= 0)) {
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return false;
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}
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sourceDraw.x = s.left - sourceRect.left - destPoint.x;
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sourceDraw.y = s.top - sourceRect.top - destPoint.y;
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destDraw.x = s.left;
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destDraw.y = s.top;
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width = s.width();
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height = s.height();
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return true;
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}
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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 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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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 drawRect(SURFACE *ds, 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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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 setPalette(PALENTRY *pal);
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int getCurrentPal(PALENTRY *src_pal);
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int palToBlack(PALENTRY *src_pal, double percent);
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int blackToPal(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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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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