Hi,
As per my understanding of the call FT_Set_Char_Size(). There are two sets
parameters that need to be defined to put a bitmap with correct size on a
display mechanism (say TV, monitor or paper in case of printer) correctly,
namely
a. FT_F26Dot6 char_width,
FT_F26Dot6 char_height,
These define the number of fractional points per character
b. FT_UInt horz_resolution,
FT_UInt vert_resolution
These define number of pixels per inch.
Now if we were to use the call FT_Set_Char_Size() in a software scenario for
displaying bitmaps on a TV where we are provided with the following information
only:
1. video display resolution - say 1920x1080 that means we know the number of
horizontal pixels = 1920 and number of vertical pixels = 1080
2. font size - The unit of font size is in pixels, say in this case 200 x 200
pixels per character
I presume that the above two inputs are sufficient for the generation of a
monochrome bitmap in a bitmap memory. Here we do not require pixels per inch
information. What should be set for pixels per inch parameters(point b above)
in order to achieve the correct bitmap output?
Will the same call (FT_Set_Char_Size()) be used for such a requirement or is
there any other provision in the freetype font library?
Thanks & Regards,
Vinayak
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