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- Log ----------------------------------------------------------------- http://repo.or.cz/w/gfxprim.git/commit/d028c5b88bfbe818f650dac41671b7dc74fab...
commit d028c5b88bfbe818f650dac41671b7dc74fab584 Author: Tomas Gavenciak gavento@ucw.cz Date: Sat Nov 26 20:28:53 2011 +0100
Update and move GP_Context wrapper docstring
diff --git a/include/core/gfxprim_core.swig b/include/core/gfxprim_core.swig index 366067c..4cdb160 100644 --- a/include/core/gfxprim_core.swig +++ b/include/core/gfxprim_core.swig @@ -44,12 +44,10 @@
/* - * Context manipulation + * GP_Context wrapping */
-/* Rename accestors to GP_Context attributes to _attribute */ -/* would work in swig 2.0: - * %rename("_%s", regexmatch$name="^GP_Context::") ""; */ +/* Rename accesors to GP_Context attributes to "_attribute" */ %rename("_%s") "GP_Context::pixels"; %rename("_%s") "GP_Context::bpp"; %rename("_%s") "GP_Context::bytes_per_row"; @@ -62,8 +60,26 @@ %rename("_%s") "GP_Context::y_swap"; %rename("_%s") "GP_Context::bit_endian"; %rename("_%s") "GP_Context::free_pixels"; +/* This nice batch would work in swig 2.0, sigh: + * %rename("_%s", regexmatch$name="^GP_Context::") ""; */ + %rename("Context") "GP_Context";
+%feature("autodoc", "Proxy of C GP_Context struct + +You can pass this class to wrapped GP_DrawSomething(...) as GP_Context. +All attributes of GP_Context are accessible directly as _attribute +(self._w etc.), but it is reccomended to use redefined properties: + +self.w: Context width (transformed) +self.h: Context width (transformed) + +Some context-related methods are provided as class members for convenience. + +GP_Context memory allocation is handled by gfxprim, deallocation by GP_ContextFree(). +The wrapper can be used without owning the GP_Context struct by setting self.this +and self.thisown.") GP_Context; + %include "GP_Context.h"
%extend GP_Context { @@ -74,6 +90,11 @@ } };
+ +/* + * Context manipulation + */ + %include "GP_GetPutPixel.h" %import "GP_GetPutPixel.gen.h" %include "GP_WritePixel.h" diff --git a/pylib/context.py b/pylib/context.py index 32ed123..1837b23 100644 --- a/pylib/context.py +++ b/pylib/context.py @@ -33,23 +33,7 @@ def extend_context_class(_context_class = core.Context): Called on module inicialization. """
- type.__setattr__(_context_class, "__doc_2__", - """Proxy of C GP_Context struct - - You can pass this class to wrapped GP_DrawSomething(...) as GP_Context. - All attributes of GP_Context are accessible directly as "_attribute" - (self._w etc.), but it is reccomended to use redefined properties: - - self.w: Context width (transformed) - self.h: Context width (transformed) - - Some context methods are provided as class members for convenience. - - GP_Context memory allocation is handled completely by gfxprim. - You shoud NEVER even think about self.this - this pointer will point to - free memory after self.__del__ is called (in case of owned GP_Context). - """) - + # Add "parent" attribute extend(_context_class, name='parent')(None)
@extend(_context_class, name='__str__')
http://repo.or.cz/w/gfxprim.git/commit/133b310ce8ca4adc61f14648dee634a00d5cf...
commit 133b310ce8ca4adc61f14648dee634a00d5cf077 Author: Tomas Gavenciak gavento@ucw.cz Date: Sat Nov 26 20:04:12 2011 +0100
Complete rewrite of the wrapper class
Now extending the SWIG wrapper instead of delegation Decorating tools TODO: set docstring correctly
diff --git a/pylib/context.py b/pylib/context.py index 1551c5c..32ed123 100644 --- a/pylib/context.py +++ b/pylib/context.py @@ -1,58 +1,84 @@ import gfxprim_core_c as core import gfxprim_loaders_c as loaders
-class Context(object): - def __init__(self, context, owns_GP_Context, parent=None): - """Create new GP_Context wrapper. +def extend(cls, name=None): + def decf(method): + funname = name + if not funname: + funname = method.__name__ + type.__setattr__(cls, funname, method) + return method + return decf
- The wrapper is just a (read-only) proxy with - some conveniently mapped context methods. - Direct access is possible through self.context. - """ - # GP_Context struct (pre-wrapped by SWIG) - self.context = context - # call GP_ContextFree on del? - self.owns_GP_Context = owns_GP_Context - # Parent Context of a subcontext (if any) - # It is important to hold a ref to parent because of GC - self.parent = parent - - def __del__(self): - print "Deleting %s (owns_GP_Context: %s)" % (self, self.owns_GP_Context) - if self.owns_GP_Context: - core.GP_ContextFree(self.context) - - @property - def w(self): - "Context width (transformed)" - return core.GP_ContextW(self.context) +def add_swig_getmethod(cls, name=None): + def decf(method): + propname = name + if not propname: + propname = method.__name__ + cls.__swig_getmethods__[propname] = method + return decf
- @property - def h(self): - "Context height (transformed)" - return core.GP_ContextH(self.context) +def add_swig_setmethod(cls, name=None): + def decf(method): + propname = name + if not propname: + propname = method.__name__ + cls.__swig_setmethods__[propname] = method + return decf + + +def extend_context_class(_context_class = core.Context): + """ + Extends _context_class class with convenience methods. + Called on module inicialization. + """ + + type.__setattr__(_context_class, "__doc_2__", + """Proxy of C GP_Context struct + + You can pass this class to wrapped GP_DrawSomething(...) as GP_Context. + All attributes of GP_Context are accessible directly as "_attribute" + (self._w etc.), but it is reccomended to use redefined properties: + + self.w: Context width (transformed) + self.h: Context width (transformed) + + Some context methods are provided as class members for convenience.
- @property - def bpp(self): - "Context bpp" - return self.context.bpp + GP_Context memory allocation is handled completely by gfxprim. + You shoud NEVER even think about self.this - this pointer will point to + free memory after self.__del__ is called (in case of owned GP_Context). + """)
- def __str__(self): + extend(_context_class, name='parent')(None) + + @extend(_context_class, name='__str__') + @extend(_context_class, name='__repr__') + def context_str(self): return "<Context %dx%d, %dbpp, GP_Context %sowned, %s parent>" % ( - self.w, self.h, self.bpp, - "" if self.owns_GP_Context else "not ", - "with" if self.parent else "no") - __repr__ = __str__ + self.w, self.h, self._bpp, + "" if self.thisown else "not ", + "with" if self.parent else "no") + + @add_swig_getmethod(_context_class) + def w(self): + return core.GP_ContextW(self) + + @add_swig_getmethod(_context_class) + def h(self): + return core.GP_ContextH(self)
+ @extend(_context_class) def subcontext(self, x, y, w, h): "Create a subcontext (rectangular view)." - c = core.GP_ContextSubContext(self.context, None, x, y, w, h) - if not c: - raise Exception("Error creating subcontext") - return type(self)(c, owns_GP_Context=True, parent=self) + c = core.GP_ContextSubContext(self, None, x, y, w, h) + c.thisown = True # GP_Context IS owned (but not the pixel data) + c.parent = self + return c
+ @extend(_context_class) def save(self, filename, format=None): - """Save the image in given format (or guess by the extension) + """Save the image in given format (or guess it from the extension)
Currently, JPG, PNG and P[BGP]M are supported, but not for all context pixel types. @@ -61,34 +87,40 @@ class Context(object): format = filename.rsplit('.', 1)[-1] format = format.lower() if format == 'jpg': - res = loaders.GP_SaveJPG(filename, self.context, None) + res = loaders.GP_SaveJPG(filename, self, None) elif format == 'png': - res = loaders.GP_SavePNG(filename, self.context, None) + res = loaders.GP_SavePNG(filename, self, None) elif format == 'pbm': - res = loaders.GP_SavePBM(filename, self.context, None) + res = loaders.GP_SavePBM(filename, self, None) elif format == 'pgm': - res = loaders.GP_SavePGM(filename, self.context, None) + res = loaders.GP_SavePGM(filename, self, None) elif format == 'ppm': - res = loaders.GP_SavePPM(filename, self.context, None) + res = loaders.GP_SavePPM(filename, self, None) else: raise Exception("Format %r not supported.", format) if res != 0: raise Exception("Error saving %r (code %d)", filename, res)
- @classmethod - def create(cls, w, h, pixeltype): + @extend(_context_class, name='create') + @staticmethod + def create(w, h, pixeltype): "Allocate a new w*h bitmap of given type."
pixeltype_no = pixeltype if isinstance(pixeltype, int) else 0 # !!! # TODO: actually accept a PixelType c = core.GP_ContextAlloc(w, h, pixeltype_no) - return cls(c, owns_GP_Context=True) + c.thisown = True + return c
- @classmethod - def load(cls, filename): + @extend(_context_class, name='load') + @staticmethod + def load(filename): "Load image from given file, guess type." c = loaders.GP_LoadImage_SWIG(filename) - if not c: - raise Exception("Error loading %r", filename) - return cls(c, owns_GP_Context=True) + c.thisown = True + return c + + + +extend_context_class()
http://repo.or.cz/w/gfxprim.git/commit/75272ddef49127d165aa2e041fcb49f5bdf43...
commit 75272ddef49127d165aa2e041fcb49f5bdf437dd Author: Tomas Gavenciak gavento@ucw.cz Date: Sat Nov 26 20:02:11 2011 +0100
Prepare for (more) direct wrapping of GP_Context
Add autodoc feature Rename attributes to "_*" Set GP_Context destructor
diff --git a/include/core/gfxprim_core.swig b/include/core/gfxprim_core.swig index e9d68d1..366067c 100644 --- a/include/core/gfxprim_core.swig +++ b/include/core/gfxprim_core.swig @@ -8,6 +8,8 @@
%include <stdint.i>
+%feature("autodoc"); + %nodefaultctor;
/* @@ -45,8 +47,33 @@ * Context manipulation */
+/* Rename accestors to GP_Context attributes to _attribute */ +/* would work in swig 2.0: + * %rename("_%s", regexmatch$name="^GP_Context::") ""; */ +%rename("_%s") "GP_Context::pixels"; +%rename("_%s") "GP_Context::bpp"; +%rename("_%s") "GP_Context::bytes_per_row"; +%rename("_%s") "GP_Context::w"; +%rename("_%s") "GP_Context::h"; +%rename("_%s") "GP_Context::offset"; +%rename("_%s") "GP_Context::pixel_type"; +%rename("_%s") "GP_Context::axes_swap"; +%rename("_%s") "GP_Context::x_swap"; +%rename("_%s") "GP_Context::y_swap"; +%rename("_%s") "GP_Context::bit_endian"; +%rename("_%s") "GP_Context::free_pixels"; +%rename("Context") "GP_Context"; + %include "GP_Context.h"
+%extend GP_Context { + ~GP_Context() { + GP_DEBUG(2, "[wrapper] GP_ContextFree (%dx%d raw, %dbpp, free_pixels:%d)", + $self->w, $self->h, $self->bpp, $self->free_pixels); + GP_ContextFree($self); + } +}; + %include "GP_GetPutPixel.h" %import "GP_GetPutPixel.gen.h" %include "GP_WritePixel.h"
http://repo.or.cz/w/gfxprim.git/commit/3428c6433249fc771dc355438cd47d7d3abfd...
commit 3428c6433249fc771dc355438cd47d7d3abfd70d Author: Tomas Gavenciak gavento@ucw.cz Date: Sat Nov 26 10:39:00 2011 +0100
core SWIG cleanup, removed some internals
diff --git a/include/core/gfxprim_core.swig b/include/core/gfxprim_core.swig index 2a96a71..e9d68d1 100644 --- a/include/core/gfxprim_core.swig +++ b/include/core/gfxprim_core.swig @@ -10,7 +10,9 @@
%nodefaultctor;
-/* Basic types and common methods */ +/* + * Basic types and common methods + */
%include "GP_Common.h" %include "GP_Core.h" @@ -23,23 +25,31 @@ %include "GP_ProgressCallback.h" %include "GP_RetCode.h"
-/* Color and pixel types */ + +/* + * Color and pixel types + */
%include "GP_Color.h" -%include "GP_Context.h" %include "GP_Pixel.h" -%include "GP_Pixel.gen.h" +%include "GP_Pixel.gen.h" /* Includes enum GP_PixelType definition */ %include "GP_Convert.h" -%include "GP_Convert.gen.h" -%include "GP_Convert_Scale.gen.h" -%include "GP_Blit.gen.h" +%import "GP_Convert.gen.h" +%import "GP_Convert_Scale.gen.h" + +%import "GP_FnPerBpp.h" +%import "GP_FnPerBpp.gen.h" +
-/* Context manipulation */ +/* + * Context manipulation + */
%include "GP_Context.h" -%include "GP_Blit.h" -%include "GP_Blit.gen.h" -%include "GP_FnPerBpp.h" + %include "GP_GetPutPixel.h" +%import "GP_GetPutPixel.gen.h" %include "GP_WritePixel.h"
+%include "GP_Blit.h" +%import "GP_Blit.gen.h"
http://repo.or.cz/w/gfxprim.git/commit/116c09aa2a1efd689e4c2a66ad11d55988374...
commit 116c09aa2a1efd689e4c2a66ad11d55988374983 Author: Tomas Gavenciak gavento@ucw.cz Date: Sat Nov 26 10:37:44 2011 +0100
Add GP_WritePixels.h to GP_Core.h
diff --git a/include/core/GP_Core.h b/include/core/GP_Core.h index 70c2c3f..93ce52b 100644 --- a/include/core/GP_Core.h +++ b/include/core/GP_Core.h @@ -50,7 +50,10 @@ /* Individual pixel access */ #include "core/GP_GetPutPixel.h"
-/* blitting */ +/* Writing pixel blocks */ +#include "GP_WritePixel.h" + +/* Blitting */ #include "core/GP_Blit.h"
/* Debug and debug level */
-----------------------------------------------------------------------
Summary of changes: include/core/GP_Core.h | 5 +- include/core/gfxprim_core.swig | 80 ++++++++++++++++++++++---- pylib/context.py | 126 ++++++++++++++++++++++----------------- 3 files changed, 144 insertions(+), 67 deletions(-)
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