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Re: [ft] python_freetype Design: Bitmap Objects

From: Lawrence D'Oliveiro
Subject: Re: [ft] python_freetype Design: Bitmap Objects
Date: Thu, 19 Feb 2015 12:49:05 +1300

On Wed, 18 Feb 2015 23:47:17 +0100 (CET), Werner LEMBERG wrote:

>> I guess it’s a question of understanding the intended conventions
>> for use of FT_Bitmap objects. Seems like all the calls that fill
>> them in will also allocate them for you, but this is more implied
>> than stated outright (e.g. the description of FT_Outline_Render).
> I'm always grateful for corrections and/or additions to the
> documentation :-)

I’ll have another read and suggest some clarifications.

One potentially misleading thing, I think, is the routine name
“FT_Bitmap_New”: it does not allocate any storage at all (contrast
“FT_Outline_New” and “FT_Stroker_New”), but initializes the Bitmap
structure to indicate “zero width, zero height, no pixels”. A better
name might have been “FT_Bitmap_Init”, or even “FT_Bitmap_Null” or

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