16 #ifndef MOLDRAW2DCAIRO_H
17 #define MOLDRAW2DCAIRO_H
32 int panelHeight = -1,
bool noFreetype =
false)
33 :
MolDraw2D(width, height, panelWidth, panelHeight), dp_cr(cr) {
34 cairo_reference(dp_cr);
36 initTextDrawer(noFreetype);
39 int panelHeight = -1,
bool noFreetype =
false)
40 :
MolDraw2D(width, height, panelWidth, panelHeight) {
41 cairo_surface_t *surf =
42 cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
43 dp_cr = cairo_create(surf);
44 cairo_surface_destroy(surf);
46 initTextDrawer(noFreetype);
50 if (cairo_get_reference_count(dp_cr) > 0) {
71 unsigned int nSegments = 16,
72 double vertOffset = 0.05)
override;
79 #if defined(WIN32) && !defined(RDK_BUILD_FREETYPE_SUPPORT)
80 bool supportsAnnotations()
override {
return false; }
86 void updateMetadata(
const ROMol &mol,
int confId)
override;
89 void initDrawing()
override;
90 void initTextDrawer(
bool noFreetype)
override;
91 std::string addMetadataToPNG(
const std::string &png)
const;
92 void updateMetadata(
const ROMol &mol)
const;
This is a class for storing and applying general chemical reactions.
void drawPolygon(const std::vector< Point2D > &cds) override
void setColour(const DrawColour &col) override
sets the current draw color
void drawWavyLine(const Point2D &cds1, const Point2D &cds2, const DrawColour &col1, const DrawColour &col2, unsigned int nSegments=16, double vertOffset=0.05) override
draw a wavy line like that used to indicate unknown stereochemistry
void clearDrawing() override
clears the contents of the drawing
void drawLine(const Point2D &cds1, const Point2D &cds2) override
void writeDrawingText(const std::string &fName) const
MolDraw2DCairo(int width, int height, int panelWidth=-1, int panelHeight=-1, bool noFreetype=false)
std::string getDrawingText() const
MolDraw2DCairo(int width, int height, cairo_t *cr, int panelWidth=-1, int panelHeight=-1, bool noFreetype=false)
MolDraw2D is the base class for doing 2D renderings of molecules.
#define RDKIT_MOLDRAW2D_EXPORT