forked from mia/Aegisub
82 lines
No EOL
2.3 KiB
C++
82 lines
No EOL
2.3 KiB
C++
/*
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* Copyright (C) 2003-2006 Gabest
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* http://www.gabest.org
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*
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* This Program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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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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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Make; see the file COPYING. If not, write to
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* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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*/
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#pragma once
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#include <atlcoll.h>
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#include "SubtitleFile.h"
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#include "Array.h"
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#include "GlyphPath.h"
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#include "../SubPic/ISubPic.h"
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namespace ssf
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{
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class Rasterizer
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{
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bool fFirstSet;
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CPoint firstp, lastp;
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private:
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int mWidth, mHeight;
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union Span
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{
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struct {int x1, y1, x2, y2;};
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struct {unsigned __int64 first, second;};
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union Span() {}
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union Span(int _x1, int _y1, int _x2, int _y2) {x1 = _x1; y1 = _y1; x2 = _x2; y2 = _y2;}
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union Span(unsigned __int64 _first, unsigned __int64 _second) {first = _first; second = _second;}
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};
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Array<Span> mOutline, mWideOutline, mWideOutlineTmp;
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int mWideBorder;
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struct Edge {int next, posandflag;}* mpEdgeBuffer;
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unsigned int mEdgeHeapSize;
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unsigned int mEdgeNext;
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unsigned int* mpScanBuffer;
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protected:
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BYTE* mpOverlayBuffer;
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int mOverlayWidth, mOverlayHeight;
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int mPathOffsetX, mPathOffsetY;
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int mOffsetX, mOffsetY;
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private:
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void _TrashOverlay();
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void _ReallocEdgeBuffer(int edges);
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void _EvaluateBezier(const CPoint& p0, const CPoint& p1, const CPoint& p2, const CPoint& p3);
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void _EvaluateLine(CPoint p0, CPoint p1);
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void _OverlapRegion(Array<Span>& dst, Array<Span>& src, int dx, int dy);
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public:
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Rasterizer();
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virtual ~Rasterizer();
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bool ScanConvert(GlyphPath& path, const CRect& bbox);
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bool CreateWidenedRegion(int r);
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bool Rasterize(int xsub, int ysub);
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void Reuse(Rasterizer& r);
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void Blur(float n, int plane);
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CRect Draw(const SubPicDesc& spd, const CRect& clip, int xsub, int ysub, const DWORD* switchpts, int plane);
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};
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} |