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py3cairo.h
/* -*- mode: C; c-basic-offset: 2 -*- * * Pycairo - Python bindings for cairo * * Copyright © 2003 James Henstridge * Copyright © 2004-2011 Steven Chaplin * * This library is free software; you can redistribute it and/or * modify it either under the terms of the GNU Lesser General Public * License version 2.1 as published by the Free Software Foundation * (the "LGPL") or, at your option, under the terms of the Mozilla * Public License Version 1.1 (the "MPL"). If you do not alter this * notice, a recipient may use your version of this file under either * the MPL or the LGPL. * * You should have received a copy of the LGPL along with this library * in the file COPYING-LGPL-2.1; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * You should have received a copy of the MPL along with this library * in the file COPYING-MPL-1.1 * * The contents of this file are subject to the Mozilla Public License * Version 1.1 (the "License"); you may not use this file except in * compliance with the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY * OF ANY KIND, either express or implied. See the LGPL or the MPL for * the specific language governing rights and limitations. */ #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; typedef struct { PyObject_HEAD cairo_rectangle_int_t rectangle_int; } PycairoRectangleInt; typedef struct { PyObject_HEAD cairo_region_t *region; } PycairoRegion; #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 PycairoRecordingSurface 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); PyTypeObject *RectangleInt_Type; PyObject *(*RectangleInt_FromRectangleInt)( const cairo_rectangle_int_t *rectangle_int); PyTypeObject *Region_Type; PyObject *(*Region_FromRegion)(cairo_region_t *region); PyTypeObject *RecordingSurface_Type; } 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 PycairoRectangleInt_Type *(Pycairo_CAPI->RectangleInt_Type) #define PycairoRectangleInt_FromRectangleInt \ (Pycairo_CAPI->RectangleInt_FromRectangleInt) #define PycairoRegion_Type *(Pycairo_CAPI->Region_Type) #define PycairoRegion_FromRegion (Pycairo_CAPI->Region_FromRegion) #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) #ifdef CAIRO_HAS_PDF_SURFACE #define PycairoPDFSurface_Type *(Pycairo_CAPI->PDFSurface_Type) #endif #ifdef CAIRO_HAS_PS_SURFACE #define PycairoPSSurface_Type *(Pycairo_CAPI->PSSurface_Type) #endif #ifdef CAIRO_HAS_RECORDING_SURFACE #define PycairoRecordingSurface_Type \ *(Pycairo_CAPI->RecordingSurface_Type) #endif #ifdef CAIRO_HAS_SVG_SURFACE #define PycairoSVGSurface_Type *(Pycairo_CAPI->SVGSurface_Type) #endif #ifdef CAIRO_HAS_WIN32_SURFACE #define PycairoWin32Surface_Type *(Pycairo_CAPI->Win32Surface_Type) #define PycairoWin32PrintingSurface_Type \ *(Pycairo_CAPI->Win32PrintingSurface_Type) #endif #ifdef CAIRO_HAS_XCB_SURFACE #define PycairoXCBSurface_Type *(Pycairo_CAPI->XCBSurface_Type) #endif #ifdef 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) #if PY_MAJOR_VERSION < 3 /* To access the Pycairo C API, edit the client module file to: * 1) Add the following line to define a global variable for the C API * static Pycairo_CAPI_t *Pycairo_CAPI; * 2) Add 'Pycairo_IMPORT;' to the init<module> function */ #define Pycairo_IMPORT \ Pycairo_CAPI = (Pycairo_CAPI_t*) PyCObject_Import("cairo", "CAPI") #else /* 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 #endif /* ifndef _INSIDE_PYCAIRO_ */ #endif /* ifndef _PYCAIRO_H_ */