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// cfdgimpl.h
// this file is part of Context Free
// ---------------------
// Copyright (C) 2006-2008 Mark Lentczner - markl@glyphic.com
// Copyright (C) 2006-2016 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
//
// Mark Lentczner can be contacted at markl@glyphic.com or at
// Mark Lentczner, 1209 Villa St., Mountain View, CA 94041-1123, USA
//
//
#ifndef INCLUDE_CFDGIMPL_H
#define INCLUDE_CFDGIMPL_H
#include <string>
#include <vector>
#include <list>
#include <map>
#include <deque>
#include <type_traits>
#include "agg2/agg_color_rgba.h"
#include "cfdg.h"
#include "shape.h"
#include "astreplacement.h"
#include "config.h"
#include "stacktype.h"
class Builder;
class CFDGImpl : public CFDG {
enum consts_t: int { NoParameter = std::numeric_limits<int>::max() };
public:
enum {newShape = 0, ruleType = 1, pathType = 2};
private:
struct PostDtorCleanup {
AbstractSystem* msys;
PostDtorCleanup(AbstractSystem* s) : msys(s) {}
~PostDtorCleanup() {
#ifdef EXTREME_PARAM_DEBUG
for (auto &p: StackRule::ParamMap) {
if (p.second > 0)
msys->message("Parameter at %p is still alive, it is param number %d\n", p.first, p.second);
}
#endif
}
};
PostDtorCleanup mPostDtorCleanup;
agg::rgba m_backgroundColor = {1, 1, 1, 1};
int mStackSize = 0;
int mDefaultShape = -1;
struct ShapeType {
std::string name;
std::wstring canonicalName;
yy::location firstUse;
bool hasRules;
bool isShape;
int shapeType;
// Heap allocated so that address survives vector reallocations
std::unique_ptr<AST::ASTparameters> parameters;
int argSize;
bool shouldHaveNoParams;
ShapeType(std::string s, std::wstring cname, const yy::location& where)
: name(std::move(s)), canonicalName(std::move(cname)), firstUse(where), hasRules(false),
isShape(false), shapeType(newShape), parameters(nullptr), argSize(0),
shouldHaveNoParams(false) { }
ShapeType(ShapeType&& from) noexcept = default;
ShapeType& operator=(ShapeType&& from) noexcept(std::is_nothrow_move_assignable<std::string>::value)
{
name = std::move(from.name);
canonicalName = std::move(from.canonicalName);
firstUse = from.firstUse;
hasRules = from.hasRules;
isShape = from.isShape;
parameters = std::move(from.parameters);
argSize = from.argSize;
shouldHaveNoParams = from.shouldHaveNoParams;
return *this;
}
ShapeType(const ShapeType&) = delete;
ShapeType& operator=(const ShapeType&) = delete;
};
std::vector<ShapeType> m_shapeTypes;
void initVariables();
public:
AST::rep_ptr mInitShape;
std::vector<AST::ASTrule*> mRules;
std::map<int, AST::ASTdefine*> mFunctions;
AbstractSystem* m_system = nullptr;
Builder* m_builder = nullptr;
bool m_impure = false;
int m_Parameters = 0;
CfgArray<int> ParamDepth = NoParameter;
CfgArray<AST::exp_ptr> ParamExp;
Modification mTileMod;
Modification mSizeMod;
Modification mTimeMod;
agg::point_d mTileOffset = {0, 0};
AST::ASTrule needle = {0, CfdgError::Default};
public:
CFDGImpl(AbstractSystem*);
~CFDGImpl() override;
renderer_ptr renderer(const cfdg_ptr& ptr,
int width, int height, double minSize,
int variation, double border = 2.0) override final;
bool isTiled(agg::trans_affine* tr = nullptr, double* x = nullptr, double* y = nullptr) const override final;
frieze_t isFrieze(agg::trans_affine* tr = nullptr, double* x = nullptr, double* y = nullptr) const override final;
virtual bool isTiledOrFrieze() const override final;
bool isSized(double* x = nullptr, double* y = nullptr) const override final;
bool isTimed(agg::trans_affine_time* t = nullptr) const override final;
const agg::rgba& getBackgroundColor() override final;
void serialize(std::ostream&) override final;
void setBackgroundColor(RendererAST* r);
void getSymmetry(AST::SymmList& syms, RendererAST* r);
const AST::ASTexpression* hasParameter(CFG name) const;
bool hasParameter(CFG name, double& value, RendererAST* r) const;
bool hasParameter(CFG name, Modification& value, RendererAST* r) const;
bool hasParameter(CFG name, AST::expType t, yy::location& where) const;
public:
AbstractSystem* system() { return m_system; }
Shape getInitialShape(RendererAST* r);
RGBA8 getColor(const HSBColor& hsb);
bool addRule(AST::ASTrule* r);
void rulesLoaded();
int numRules();
const AST::ASTrule* findRule(int shapetype, double r);
const AST::ASTrule* findRule(int shapetype);
std::string decodeShapeName(int shapetype);
const yy::location& decodeShapeLocation(int shapetype);
int encodeShapeName(const std::string& s, const yy::location& where);
int tryEncodeShapeName(const std::string& s) const;
int tryEncodeShapeName(const std::wstring& s) const;
int getShapeType(int shapetype);
bool shapeHasRules(int shapetype);
const char* setShapeParams(int shapetype, AST::ASTrepContainer& p, int size, bool isPath);
void setShapeHasNoParams(int shapetype, const AST::ASTexpression* args);
bool getShapeHasNoParams(int shapetype);
const AST::ASTparameters* getShapeParams(int shapetype) const;
int getShapeParamSize(int shapetype);
int reportStackDepth(int size = 0);
void resetCachedPaths();
AST::ASTdefine* declareFunction(int nameIndex, AST::ASTdefine* def);
AST::ASTdefine* findFunction(int nameIndex);
enum Parameter {Color = 1, Alpha = 2, Time = 4, FrameTime = 8, Blend = 16};
void addParameter(Parameter);
void addParameter(CFG var, AST::exp_ptr e, int depth);
AST::ASTrepContainer mCFDGcontents;
std::list<std::string> fileNames;
};
using cfdgi_ptr = std::shared_ptr<CFDGImpl>;
#endif // INCLUDE_CFDGIMPL_H
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