/* -*- 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_PRIVATE_H_ #define _PYCAIRO_PRIVATE_H_ #ifdef _PYCAIRO_H_ # error "don't include py3cairo.h and pycairo-private.h together" #endif #define _INSIDE_PYCAIRO_ #include #include "py3cairo.h" #define PYCAIRO_STRINGIFY(s) PYCAIRO_STRINGIFY_ARG(s) #define PYCAIRO_STRINGIFY_ARG(s) #s int init_error(PyObject *module); int Pycairo_fspath_converter (PyObject *obj, char** result); int Pycairo_fspath_none_converter (PyObject *obj, char** result); int Pycairo_writer_converter (PyObject *obj, PyObject** file); int Pycairo_reader_converter (PyObject *obj, PyObject** file); int Pycairo_is_fspath (PyObject *obj); cairo_glyph_t * _PycairoGlyphs_AsGlyphs (PyObject *py_object, int *num_glyphs); int _PyGlyph_AsGlyph (PyObject *pyobj, cairo_glyph_t *glyph); int _PyTextCluster_AsTextCluster (PyObject *pyobj, cairo_text_cluster_t *cluster); int _conv_pyobject_to_ulong (PyObject *pyobj, unsigned long *result); PyObject* Pycairo_richcompare (void* a, void *b, int op); extern PyTypeObject PycairoContext_Type; PyObject *PycairoContext_FromContext (cairo_t *ctx, PyTypeObject *type, PyObject *base); extern PyTypeObject PycairoFontFace_Type; extern PyTypeObject PycairoToyFontFace_Type; PyObject *PycairoFontFace_FromFontFace (cairo_font_face_t *font_face); extern PyTypeObject PycairoFontOptions_Type; PyObject *PycairoFontOptions_FromFontOptions ( cairo_font_options_t *font_options); extern PyTypeObject PycairoMatrix_Type; PyObject *PycairoMatrix_FromMatrix (const cairo_matrix_t *matrix); extern PyTypeObject PycairoPath_Type; PyObject *PycairoPath_FromPath (cairo_path_t *path); extern PyTypeObject PycairoPathiter_Type; extern PyTypeObject PycairoPattern_Type; extern PyTypeObject PycairoSolidPattern_Type; extern PyTypeObject PycairoSurfacePattern_Type; extern PyTypeObject PycairoGradient_Type; extern PyTypeObject PycairoLinearGradient_Type; extern PyTypeObject PycairoRadialGradient_Type; PyObject *PycairoPattern_FromPattern (cairo_pattern_t *pattern, PyObject *base); typedef PycairoPattern PycairoMeshPattern; extern PyTypeObject PycairoMeshPattern_Type; typedef PycairoPattern PycairoRasterSourcePattern; extern PyTypeObject PycairoRasterSourcePattern_Type; extern PyTypeObject PycairoRectangleInt_Type; PyObject *PycairoRectangleInt_FromRectangleInt ( const cairo_rectangle_int_t *rectangle_int); extern PyTypeObject PycairoRegion_Type; PyObject *PycairoRegion_FromRegion (cairo_region_t *region); extern PyTypeObject PycairoDevice_Type; PyObject *PycairoDevice_FromDevice (cairo_device_t *device); extern PyTypeObject PycairoScriptDevice_Type; extern PyTypeObject PycairoScaledFont_Type; PyObject *PycairoScaledFont_FromScaledFont (cairo_scaled_font_t *scaled_font); extern PyTypeObject PycairoSurface_Type; extern PyTypeObject PycairoImageSurface_Type; extern PyTypeObject PycairoMappedImageSurface_Type; extern PyTypeObject PycairoGlyph_Type; typedef PyTupleObject PycairGlyph; extern PyTypeObject PycairoRectangle_Type; typedef PyTupleObject PycairRectangle; extern PyTypeObject PycairoTextCluster_Type; typedef PyTupleObject PycairTextCluster; extern PyTypeObject PycairoTextExtents_Type; typedef PyTupleObject PycairoTextExtents; typedef struct { PyObject_HEAD cairo_device_t *device; } PycairoDevice; #ifdef CAIRO_HAS_SCRIPT_SURFACE typedef PycairoDevice PycairoScriptDevice; extern PyTypeObject PycairoScriptSurface_Type; #endif #ifdef CAIRO_HAS_PDF_SURFACE extern PyTypeObject PycairoPDFSurface_Type; #endif #ifdef CAIRO_HAS_PS_SURFACE extern PyTypeObject PycairoPSSurface_Type; #endif #ifdef CAIRO_HAS_RECORDING_SURFACE extern PyTypeObject PycairoRecordingSurface_Type; #endif #ifdef CAIRO_HAS_SVG_SURFACE extern PyTypeObject PycairoSVGSurface_Type; #endif #ifdef CAIRO_HAS_WIN32_SURFACE extern PyTypeObject PycairoWin32Surface_Type; extern PyTypeObject PycairoWin32PrintingSurface_Type; #endif #ifdef CAIRO_HAS_XCB_SURFACE extern PyTypeObject PycairoXCBSurface_Type; #endif #ifdef CAIRO_HAS_XLIB_SURFACE extern PyTypeObject PycairoXlibSurface_Type; #endif #ifdef CAIRO_HAS_TEE_SURFACE typedef PycairoSurface PycairoTeeSurface; extern PyTypeObject PycairoTeeSurface_Type; #endif PyObject *PycairoSurface_FromSurface (cairo_surface_t *surface, PyObject *base); int Pycairo_Check_Status (cairo_status_t status); /* error checking macros */ #define RETURN_NULL_IF_CAIRO_ERROR(status) \ do { \ if (status != CAIRO_STATUS_SUCCESS) { \ Pycairo_Check_Status (status); \ return NULL; \ } \ } while (0) #define RETURN_NULL_IF_CAIRO_CONTEXT_ERROR(ctx) \ do { \ cairo_status_t status = cairo_status (ctx); \ if (status != CAIRO_STATUS_SUCCESS) { \ Pycairo_Check_Status (status); \ return NULL; \ } \ } while (0) #define RETURN_NULL_IF_CAIRO_PATTERN_ERROR(pattern) \ do { \ cairo_status_t status = cairo_pattern_status (pattern); \ if (status != CAIRO_STATUS_SUCCESS) { \ Pycairo_Check_Status (status); \ return NULL; \ } \ } while (0) #define RETURN_NULL_IF_CAIRO_REGION_ERROR(region) \ do { \ cairo_status_t status = cairo_region_status (region); \ if (status != CAIRO_STATUS_SUCCESS) { \ Pycairo_Check_Status (status); \ return NULL; \ } \ } while (0) #define RETURN_NULL_IF_CAIRO_SURFACE_ERROR(surface) \ do { \ cairo_status_t status = cairo_surface_status (surface); \ if (status != CAIRO_STATUS_SUCCESS) { \ Pycairo_Check_Status (status); \ return NULL; \ } \ } while (0) #define RETURN_NULL_IF_CAIRO_DEVICE_ERROR(device) \ do { \ cairo_status_t status = cairo_device_status (device); \ if (status != CAIRO_STATUS_SUCCESS) { \ Pycairo_Check_Status (status); \ return NULL; \ } \ } while (0) #define RETURN_NULL_IF_CAIRO_SCALED_FONT_ERROR(sc_font) \ do { \ cairo_status_t status = cairo_scaled_font_status (sc_font); \ if (status != CAIRO_STATUS_SUCCESS) { \ Pycairo_Check_Status (status); \ return NULL; \ } \ } while (0) #define RETURN_NULL_IF_CAIRO_FONT_OPTIONS_ERROR(fo) \ do { \ cairo_status_t status = cairo_font_options_status (fo); \ if (status != CAIRO_STATUS_SUCCESS) { \ Pycairo_Check_Status (status); \ return NULL; \ } \ } while (0) PyObject *error_get_type(void); int init_buffer_proxy(void); PyObject *buffer_proxy_create_view(PyObject *exporter, void *buf, Py_ssize_t len, int readonly); /* int enums */ int init_enums(PyObject *module); PyObject *int_enum_create(PyTypeObject *type, long value); #define DECL_ENUM(name) extern PyTypeObject Pycairo_##name##_Type; /* A defined variant of (int)(unsigned int)(u). The cast from unsigned to * signed gives the reverse result of a signed to unsigned cast. */ #define _ENSURE_INT(u) ( \ ((unsigned int)(u) > INT_MAX) ? \ -(int)(UINT_MAX - (unsigned int)(u)) - 1 : (int)(unsigned int)(u) \ ) #define CREATE_INT_ENUM(type_name, value) \ (int_enum_create(&Pycairo_##type_name##_Type, _ENSURE_INT(value))) #define RETURN_INT_ENUM(type_name, value) \ return CREATE_INT_ENUM(type_name, value); DECL_ENUM(Antialias) DECL_ENUM(Content) DECL_ENUM(Extend) DECL_ENUM(FillRule) DECL_ENUM(Filter) DECL_ENUM(FontSlant) DECL_ENUM(FontWeight) DECL_ENUM(Format) DECL_ENUM(HintMetrics) DECL_ENUM(HintStyle) DECL_ENUM(LineCap) DECL_ENUM(LineJoin) DECL_ENUM(Operator) DECL_ENUM(PathDataType) DECL_ENUM(RegionOverlap) DECL_ENUM(Status) DECL_ENUM(SubpixelOrder) DECL_ENUM(TextClusterFlags) DECL_ENUM(SurfaceObserverMode) #ifdef CAIRO_HAS_SVG_SURFACE DECL_ENUM(SVGVersion) #if CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1, 15, 10) DECL_ENUM(SVGUnit) #endif #endif #ifdef CAIRO_HAS_PDF_SURFACE DECL_ENUM(PDFVersion) #endif #ifdef CAIRO_HAS_PS_SURFACE DECL_ENUM(PSLevel) #endif #ifdef CAIRO_HAS_SCRIPT_SURFACE DECL_ENUM(ScriptMode) #endif #if CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1, 17, 8) DECL_ENUM(ColorMode) #endif #if CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1, 18, 0) DECL_ENUM(Dither) #endif /* Use to disable deprecation warnings temporarily */ #ifdef _MSC_VER # define PYCAIRO_BEGIN_IGNORE_DEPRECATED \ __pragma (warning (push)) \ __pragma (warning (disable : 4996)) # define PYCAIRO_END_IGNORE_DEPRECATED \ __pragma (warning (pop)) #else # define PYCAIRO_BEGIN_IGNORE_DEPRECATED \ _Pragma ("GCC diagnostic push") \ _Pragma ("GCC diagnostic ignored \"-Wdeprecated-declarations\"") # define PYCAIRO_END_IGNORE_DEPRECATED \ _Pragma ("GCC diagnostic pop") #endif #ifdef __GNUC__ #define PYCAIRO_MODINIT_FUNC __attribute__((visibility("default"))) PyMODINIT_FUNC #else #define PYCAIRO_MODINIT_FUNC PyMODINIT_FUNC #endif #define PYCAIRO_Py_hash_t_FromVoidPtr(p) ((Py_hash_t)(Py_ssize_t)(p)) #endif /* _PYCAIRO_PRIVATE_H_ */