[Devel] Transformation of Type 1 Fonts

[Allen Barnett]

Hi,

I'm using the following sequence of commands to render rotated strings:

FT_New_Face( ..., &face )
FT_Set_Char_Size
FT_Vector_Unit( vector, angle )
assign vector components to an FT_Matrix, matrix
FT_Set_Transform( face, matrix )
for each character in the string:
        FT_Get_Glyph_Index( face, character )
        FT_Load_Glyph( ..., FT_LOAD_DEFAULT )
        FT_Render_Glyph( face->glyph, ft_render_mode_mono)
        draw bitmap
        move pen by advance

This seems to work OK for TrueType fonts. However, I've noticed that the 
glyphs in Type 1 fonts seem to be rotated by 2*angle, probably because 
FT_Outline_Transform is called twice. (I put a print statement in 
FT_Outline_Transform, but it's hard to tell for sure since it seems to be 
called for each glyph when the face is first loaded, unlike TrueType where 
FT_Outline_Transform is only called for the loaded glyphs.)(I think.)

I attached a little program which I hope helps illustrate my problem.

On my RedHat 7.1/i386 system I got:

alpaca$ ./try6 90 /usr/X11R6/lib/X11/fonts/webfonts/arial.ttf A
----------------
----------**----
--------**------
------**--------
---***-*--------
-**----*--------
*------*--------
-**----*--------
---***-*--------
------**--------
--------**------
----------**----
----------------
alpaca$ ./try6 90 /usr/X11R6/lib/X11/fonts/Type1/cour.pfa A
***----***------
-*------*-------
-*-----*--------
--******--------
--*----*--------
--*---*---------
---*--*---------
---*--*---------
----**----------
----****--------

Thanks,
Allen

try.c
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