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DrawTextCairo.h
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//
// Copyright (C) 2020-2022 David Cosgrove and other RDKit contributors
//
// @@ All Rights Reserved @@
// This file is part of the RDKit.
// The contents are covered by the terms of the BSD license
// which is included in the file license.txt, found at the root
// of the RDKit source tree.
//
// Original author: David Cosgrove (CozChemIx).
//
// A concrete class derived from DrawText that uses the Cairo
// toy API to draw text onto a surface.
#ifndef RDKIT_DRAWTEXTCAIRO_H
#define RDKIT_DRAWTEXTCAIRO_H
#include <cairo.h>
#include <GraphMol/MolDraw2D/DrawTextNotFT.h>
namespace RDKit {
class MolDraw2DCairo;
namespace MolDraw2D_detail {
// ****************************************************************************
class DrawTextCairo : public DrawTextNotFT {
public:
DrawTextCairo(double max_fnt_sz, double min_fnt_sz, cairo_t *dp_cr);
DrawTextCairo(const DrawTextCairo &) = delete;
DrawTextCairo(DrawTextCairo &&) = delete;
DrawTextCairo &operator=(const DrawTextCairo &) = delete;
DrawTextCairo &operator=(DrawTextCairo &&) = delete;
void drawChar(char c, const Point2D &cds) override;
void setCairoContext(cairo_t *cr);
private:
cairo_t *dp_cr_;
// return a vector of StringRects, one for each char in text, with
// super- and subscripts taken into account. Sizes in pixel coords,
// i.e. scaled by fontScale().
void getStringRects(const std::string &text,
std::vector<std::shared_ptr<StringRect>> &rects,
std::vector<TextDrawType> &draw_modes,
std::vector<char> &draw_chars) const override;
};
} // namespace MolDraw2D_detail
} // namespace RDKit
#endif // RDKIT_DRAWTEXTCAIRO_H
DrawTextNotFT.h
RDGeom::Point2D
Definition point.h:284
RDKit::MolDraw2D_detail::DrawTextCairo
Definition DrawTextCairo.h:28
RDKit::MolDraw2D_detail::DrawTextCairo::operator=
DrawTextCairo & operator=(DrawTextCairo &&)=delete
RDKit::MolDraw2D_detail::DrawTextCairo::DrawTextCairo
DrawTextCairo(const DrawTextCairo &)=delete
RDKit::MolDraw2D_detail::DrawTextCairo::operator=
DrawTextCairo & operator=(const DrawTextCairo &)=delete
RDKit::MolDraw2D_detail::DrawTextCairo::DrawTextCairo
DrawTextCairo(DrawTextCairo &&)=delete
RDKit::MolDraw2D_detail::DrawTextCairo::DrawTextCairo
DrawTextCairo(double max_fnt_sz, double min_fnt_sz, cairo_t *dp_cr)
RDKit::MolDraw2D_detail::DrawTextCairo::drawChar
void drawChar(char c, const Point2D &cds) override
RDKit::MolDraw2D_detail::DrawTextCairo::setCairoContext
void setCairoContext(cairo_t *cr)
RDKit::MolDraw2D_detail::DrawTextNotFT
Definition DrawTextNotFT.h:25
RDKit
Std stuff.
Definition Abbreviations.h:19
RDKit::rdvalue_is
bool rdvalue_is(const RDValue_cast_t)
Definition RDValue-doublemagic.h:372