Pycairo C API

This manual documents the API used by C and C++ programmers who want to write extension modules that use pycairo.

To access the Pycairo C API

Edit the client module file to add the following lines:

/* All function, type and macro definitions needed to use the Pycairo/C API
 * are included in your code by the following line
 */
#include "Pycairo.h"

/* define a variable for the C API */
static Pycairo_CAPI_t *Pycairo_CAPI;

/* import pycairo - add to the init<module> function */
Pycairo_IMPORT;

Pycairo Objects

Objects:

PycairoContext
PycairoFontFace
PycairoToyFontFace
PycairoFontOptions
PycairoMatrix
PycairoPath
PycairoPattern
PycairoSolidPattern
PycairoSurfacePattern
PycairoGradient
PycairoLinearGradient
PycairoRadialGradient
PycairoScaledFont
PycairoSurface
PycairoImageSurface
PycairoPDFSurface
PycairoPSSurface
PycairoSVGSurface
PycairoWin32Surface
PycairoXCBSurface
PycairoXlibSurface

Pycairo Types

Types:

PyTypeObject *Context_Type;
PyTypeObject *FontFace_Type;
PyTypeObject *ToyFontFace_Type;
PyTypeObject *FontOptions_Type;
PyTypeObject *Matrix_Type;
PyTypeObject *Path_Type;
PyTypeObject *Pattern_Type;
PyTypeObject *SolidPattern_Type;
PyTypeObject *SurfacePattern_Type;
PyTypeObject *Gradient_Type;
PyTypeObject *LinearGradient_Type;
PyTypeObject *RadialGradient_Type;
PyTypeObject *ScaledFont_Type;
PyTypeObject *Surface_Type;
PyTypeObject *ImageSurface_Type;
PyTypeObject *PDFSurface_Type;
PyTypeObject *PSSurface_Type;
PyTypeObject *SVGSurface_Type;
PyTypeObject *Win32Surface_Type;
PyTypeObject *XCBSurface_Type;
PyTypeObject *XlibSurface_Type;

Functions

cairo_t * PycairoContext_GET(obj)

get the C cairo_t * object out of the PycairoContext *obj

PyObject * PycairoContext_FromContext(cairo_t *ctx, PyTypeObject *type, PyObject *base)
PyObject * PycairoFontFace_FromFontFace(cairo_font_face_t *font_face)
PyObject * PycairoFontOptions_FromFontOptions(cairo_font_options_t *font_options)
PyObject * PycairoMatrix_FromMatrix(const cairo_matrix_t *matrix)
PyObject * PycairoPath_FromPath(cairo_path_t *path)
PyObject * PycairoPattern_FromPattern(cairo_pattern_t *pattern, PyObject *base)
PyObject * PycairoScaledFont_FromScaledFont(cairo_scaled_font_t *scaled_font)
PyObject * PycairoSurface_FromSurface(cairo_surface_t *surface, PyObject *base)
int PycairoCheck_Status(cairo_status_t status)

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