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// rendererAST.h
// this file is part of Context Free
// ---------------------
// Copyright (C) 2013-2014 John Horigan - john@glyphic.com
//
// 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.
//
// John Horigan can be contacted at john@glyphic.com or at
// John Horigan, 1209 Villa St., Mountain View, CA 94041-1123, USA
//
//
#ifndef INCLUDE_RENDERERAST_H
#define INCLUDE_RENDERERAST_H
#include "cfdg.h"
#include "CmdInfo.h"
#include <array>
class RendererAST : public Renderer {
public:
// AST interface
~RendererAST();
std::array<StackType, 8192> mCFstack;
const StackType* mLogicalStackTop;
size_t mStackSize;
void initStack(const StackRule* p);
void unwindStack(size_t oldsize, const std::vector<AST::ASTparameter>& params);
const StackType* stackItem(int offset) const {
return (offset < 0) ? (mLogicalStackTop + offset) : (mCFstack.data() + offset);
}
Rand64 mCurrentSeed;
bool mRandUsed;
double mMaxNatural;
bool mImpure;
double mCurrentTime;
double mCurrentFrame;
agg::point_d mLastPoint;
bool mStop;
bool mClosed;
bool mWantMoveTo;
bool mWantCommand;
bool mOpsOnly;
unsigned mIndex;
unsigned mNextIndex;
AST::cpath_ptr mCurrentPath;
AST::InfoCache::iterator mCurrentCommand;
void init();
static bool isNatural(RendererAST* r, double n);
static void ColorConflict(RendererAST* r, const yy::location& w);
virtual void processPathCommand(const Shape& s, const AST::CommandInfo* attr) = 0;
virtual void processShape(Shape& s) = 0;
virtual void processPrimShape(Shape& s, const AST::ASTrule* attr = nullptr) = 0;
virtual void processSubpath(const Shape& s, bool tr, int) = 0;
protected:
RendererAST(int w, int h);
virtual void colorConflict(const yy::location& w) = 0;
};
#endif // INCLUDE_RENDERERAST_H
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