> > [commit f7a27bf38847b4531164f042088535604d3cd2ec] > > > I am attaching the example program I am using for checking output, > > its the same `example1.c' program but with some slight modifications > > to see the num_glyphs allocated. > > Some comments. > > * Your `ftexample.c' can't work correctly. In function `draw_bitmap' > there is the following comment: > > /* for simplicity, we assume that `bitmap->pixel_mode' */ > /* is `FT_PIXEL_MODE_GRAY' (i.e., not a bitmap font) */ > > Surprise, surprise! GF *is* a bitmap font, where > `bitmap->pixel_mode' is FT_PIXEL_MODE_MONO... > > In other words, you have to adapt both `draw_bitmap' and > `show_image' to handle the mono format, having 1bit per pixel. > > Honestly spoken, it's kind of disappointing that you completely > ignored this comment while modifying `ftexample.c'. >
Uh Oh, Really sorry, It was an oversight. * Irrespective of that, there are big memory leaks. Calling > > FT2_DEBUG=any:7 \ > valgrind --leak-check=full \ > ./ftexample cmr10.600gf 0 \ > 2> ftexample.log > > gives the attached log (using a `make devel; make' compilation). > I think this is because of the `gf_free_font' function which certainly has, some problems I am working on a patch, and will work it out soon. > * The next peculiarity is the size of the created bitmap. I'm not > sure what glyph gets displayed at index 48 (the charcode value of > `0' as used in the command above), but the height of the resulting > bitmap size, 4x7, looks far too small. > Ok. I'll check this. * Showing `bitmap' at begin of `draw_bitmap' with the debugger, I see > > (gdb) p *bitmap > $1 = { > rows = 7, > width = 4, > pitch = 5, > buffer = 0x76f440 "", > num_grays = 0, > pixel_mode = 1 '\001', > palette_mode = 0 '\000', > palette = 0x0 > } > > which is also strange: A pitch of 5 implies at least a width of > > 4 * 8 + 1 = 33 > > pixels (since we have 8 pixels per byte). However, `width' has > value 4... > I'll fix this. * If I display the 7 rows bit-wise, I get this: > > 0000000000000011111110000000000000000000 > 0000000000011111111111110000000000000000 > 0000000001111110000011111100000000000000 > 0000000011111000000000111110000000000000 > 0000001111100000000000001111100000000000 > 0000001111000000000000000111100000000000 > 0000011111000000000000000111110000000000 > > Whatever this is, it looks cut off. > > I don't know how to display such bit-wise rows, can you please share the code for this? Please fix these issues ASAP! > Yes! I will :-) Thank you Parth
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