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/* -*- mode: C; c-basic-offset: 2 -*-
*
* Copyright © 2003,2010 James Henstridge, Steven Chaplin
*
* This file is part of pycairo.
*
* Pycairo is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License version 3 as published
* by the Free Software Foundation.
*
* Pycairo 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 Lesser General Public License for
* more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with pycairo. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _PYCAIRO_H_
#define _PYCAIRO_H_
#include <Python.h>
#include <cairo.h>
typedef struct {
PyObject_HEAD
cairo_t *ctx;
PyObject *base; /* base object used to create context, or NULL */
} PycairoContext;
typedef struct {
PyObject_HEAD
cairo_font_face_t *font_face;
} PycairoFontFace;
#define PycairoToyFontFace PycairoFontFace
typedef struct {
PyObject_HEAD
cairo_font_options_t *font_options;
} PycairoFontOptions;
typedef struct {
PyObject_HEAD
cairo_matrix_t matrix;
} PycairoMatrix;
typedef struct {
PyObject_HEAD
cairo_path_t *path;
} PycairoPath;
typedef struct {
PyObject_HEAD
cairo_pattern_t *pattern;
PyObject *base; /* base object used to create pattern, or NULL */
} PycairoPattern;
#define PycairoSolidPattern PycairoPattern
#define PycairoSurfacePattern PycairoPattern
#define PycairoGradient PycairoPattern
#define PycairoLinearGradient PycairoPattern
#define PycairoRadialGradient PycairoPattern
typedef struct {
PyObject_HEAD
cairo_scaled_font_t *scaled_font;
} PycairoScaledFont;
typedef struct {
PyObject_HEAD
cairo_surface_t *surface;
PyObject *base; /* base object used to create surface, or NULL */
} PycairoSurface;
#define PycairoImageSurface PycairoSurface
#define PycairoPDFSurface PycairoSurface
#define PycairoPSSurface PycairoSurface
#define PycairoSVGSurface PycairoSurface
#define PycairoWin32Surface PycairoSurface
#define PycairoWin32PrintingSurface PycairoSurface
#define PycairoXCBSurface PycairoSurface
#define PycairoXlibSurface PycairoSurface
/* get C object out of the Python wrapper */
#define PycairoContext_GET(obj) (((PycairoContext *)(obj))->ctx)
/* Define structure for C API. */
typedef struct {
/* (type object, constructor) pairs */
PyTypeObject *Context_Type;
PyObject *(*Context_FromContext)(cairo_t *ctx, PyTypeObject *type,
PyObject *base);
PyTypeObject *FontFace_Type;
PyTypeObject *ToyFontFace_Type;
PyObject *(*FontFace_FromFontFace)(cairo_font_face_t *font_face);
PyTypeObject *FontOptions_Type;
PyObject *(*FontOptions_FromFontOptions)(
cairo_font_options_t *font_options);
PyTypeObject *Matrix_Type;
PyObject *(*Matrix_FromMatrix)(const cairo_matrix_t *matrix);
PyTypeObject *Path_Type;
PyObject *(*Path_FromPath)(cairo_path_t *path);
PyTypeObject *Pattern_Type;
PyTypeObject *SolidPattern_Type;
PyTypeObject *SurfacePattern_Type;
PyTypeObject *Gradient_Type;
PyTypeObject *LinearGradient_Type;
PyTypeObject *RadialGradient_Type;
PyObject *(*Pattern_FromPattern)(cairo_pattern_t *pattern, PyObject *base);
PyTypeObject *ScaledFont_Type;
PyObject *(*ScaledFont_FromScaledFont)(cairo_scaled_font_t *scaled_font);
PyTypeObject *Surface_Type;
PyTypeObject *ImageSurface_Type;
PyTypeObject *PDFSurface_Type;
PyTypeObject *PSSurface_Type;
PyTypeObject *SVGSurface_Type;
PyTypeObject *Win32Surface_Type;
PyTypeObject *Win32PrintingSurface_Type;
PyTypeObject *XCBSurface_Type;
PyTypeObject *XlibSurface_Type;
PyObject *(*Surface_FromSurface)(cairo_surface_t *surface, PyObject *base);
/* misc functions */
int (*Check_Status)(cairo_status_t status);
} Pycairo_CAPI_t;
#ifndef _INSIDE_PYCAIRO_
/* Macros for accessing the C API */
#define PycairoContext_Type *(Pycairo_CAPI->Context_Type)
#define PycairoContext_FromContext (Pycairo_CAPI->Context_FromContext)
#define PycairoFontFace_Type *(Pycairo_CAPI->FontFace_Type)
#define PycairoToyFontFace_Type *(Pycairo_CAPI->ToyFontFace_Type)
#define PycairoFontFace_FromFontFace (Pycairo_CAPI->FontFace_FromFontFace)
#define PycairoFontOptions_Type *(Pycairo_CAPI->FontOptions_Type)
#define PycairoFontOptions_FromFontOptions \
(Pycairo_CAPI->FontOptions_FromFontOptions)
#define PycairoMatrix_Type *(Pycairo_CAPI->Matrix_Type)
#define PycairoMatrix_FromMatrix (Pycairo_CAPI->Matrix_FromMatrix)
#define PycairoPath_Type *(Pycairo_CAPI->Path_Type)
#define PycairoPath_FromPath (Pycairo_CAPI->Path_FromPath)
#define PycairoPattern_Type *(Pycairo_CAPI->Pattern_Type)
#define PycairoSolidPattern_Type *(Pycairo_CAPI->SolidPattern_Type)
#define PycairoSurfacePattern_Type *(Pycairo_CAPI->SurfacePattern_Type)
#define PycairoGradient_Type *(Pycairo_CAPI->Gradient_Type)
#define PycairoLinearGradient_Type *(Pycairo_CAPI->LinearGradient_Type)
#define PycairoRadialGradient_Type *(Pycairo_CAPI->RadialGradient_Type)
#define PycairoPattern_FromPattern (Pycairo_CAPI->Pattern_FromPattern)
#define PycairoScaledFont_Type *(Pycairo_CAPI->ScaledFont_Type)
#define PycairoScaledFont_FromScaledFont \
(Pycairo_CAPI->ScaledFont_FromScaledFont)
#define PycairoSurface_Type *(Pycairo_CAPI->Surface_Type)
#define PycairoImageSurface_Type *(Pycairo_CAPI->ImageSurface_Type)
#if CAIRO_HAS_PDF_SURFACE
#define PycairoPDFSurface_Type *(Pycairo_CAPI->PDFSurface_Type)
#endif
#if CAIRO_HAS_PS_SURFACE
#define PycairoPSSurface_Type *(Pycairo_CAPI->PSSurface_Type)
#endif
#if CAIRO_HAS_SVG_SURFACE
#define PycairoSVGSurface_Type *(Pycairo_CAPI->SVGSurface_Type)
#endif
#if CAIRO_HAS_WIN32_SURFACE
#define PycairoWin32Surface_Type *(Pycairo_CAPI->Win32Surface_Type)
#define PycairoWin32PrintingSurface_Type *(Pycairo_CAPI->Win32PrintingSurface_Type)
#endif
#if CAIRO_HAS_XCB_SURFACE
#define PycairoXCBSurface_Type *(Pycairo_CAPI->XCBSurface_Type)
#endif
#if CAIRO_HAS_XLIB_SURFACE
#define PycairoXlibSurface_Type *(Pycairo_CAPI->XlibSurface_Type)
#endif
#define PycairoSurface_FromSurface (Pycairo_CAPI->Surface_FromSurface)
#define Pycairo_Check_Status (Pycairo_CAPI->Check_Status)
/* To access the Pycairo C API, the client module should call 'import_cairo()'
* from the init<module> function, and check the return value, < 0 means the
* import failed.
*/
static Pycairo_CAPI_t *Pycairo_CAPI;
/* Return -1 on error, 0 on success.
* PyCapsule_Import will set an exception if there's an error.
*/
static int
import_cairo(void)
{
Pycairo_CAPI = (Pycairo_CAPI_t*) PyCapsule_Import("cairo.CAPI", 0);
return (Pycairo_CAPI != 0) ? 0 : -1;
}
#endif /* ifndef _INSIDE_PYCAIRO_ */
#endif /* ifndef _PYCAIRO_H_ */