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Functions in this file were scattered and not well organized.
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Optimization of font kerning by only caching kerning values after a
pair is encountered. Also saves unscaled values so they don't have to
be rebuilt between font size changes.
See D12274 for more details and speed comparison.
Differential Revision: https://developer.blender.org/D12274
Reviewed by Campbell Barton
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Simplification of BLF code after removal of kerning modes.
See D12262 for more details.
Differential Revision: https://developer.blender.org/D12262
Reviewed by Campbell Barton
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This patch removes the "Kerning Style" option for UI widget font
drawing and uses only the current default of "Fitted", since the other
option of "Unfitted" is just the result of truncation errors.
see D12231 for much more information.
Differential Revision: https://developer.blender.org/D12231
Reviewed by Campbell Barton
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blf_kerning_cache_new was performing many unnecessary hash lookups,
calling blf_glyph_search 32768 times. Use a lookup table to reduce this
to the number of ASCII characters (128 calls).
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It wasn't obvious this was only for ASCII characters.
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While this wasn't a bottleneck, using the fast version of this function
removes some duplicate code that doesn't use the look-up table.
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Also assert blf_font_ensure_ascii_kerning has been called in
blf_kerning_step_fast.
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This patch turns off the preloading of ascii glyphs and instead caches
each glyph the first time it is actually used.
See D12215 for much more detail.
Differential Revision: https://developer.blender.org/D12215
Reviewed by Campbell Barton
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This patch makes some non-functional changes to BLF code. Some size
defines added, comments changed, simplification of macro
BLF_KERNING_VARS.
See D12200 for more details.
Differential Revision: https://developer.blender.org/D12200
Reviewed by Campbell Barton
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The loading of a font size or style renders bitmaps of the characters
0-255 and stores them in a cache. But glyphs 128-255 in this cache are
not accessible. What used to be ansi high-bit characters are now multi-
byte UTF-8 sequences.
Therefore this patch reduces the glyph_ascii_table size to 128 and
only caches characters 32-127, the visible portion of ASCII, which
greatly reduces the time to load a font.
See D12189 for more details.
Differential Revision: https://developer.blender.org/D12189
Reviewed by Campbell Barton
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This patch makes us less restrictive on the allowed types of FreeType
font character maps we allow, rather than primarily unicode-only. This
allows us to use some legacy, symbol, specialty, and proprietary fonts
like Wingdings. Note we were a little less restrictive with vfonts,
used for 3D Text Objects, so this patch primarily helps VSE.
See D12124 for details and examples.
Differential Revision: https://developer.blender.org/D12124
Reviewed by Brecht Van Lommel
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When viewing font files in the File Manager, this patch uses the font's
family and style names to show the same type of string shown to users
in operating system lists. For example "Book Antiqua Regular" instead
of "BKANT.ttf"
see D12020 for details and examples.
Differential Revision: https://developer.blender.org/D12020
Reviewed by Campbell Barton and Julian Eisel
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Also use doxy style function reference `#` prefix chars when
referencing identifiers.
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Apparently `textureSize` doesn't work with
`sampler1DArray` on this OS.
Thanks to @dave1853 for finding the source of the
problem.
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The fseek() function on Windows only accepts a 32-bit long offset
argument. Because of this we have our own version, BLI_fseek(), which
will use 64-bit _fseeki64() on Windows. This patch just replaces some
fseek() calls with BLI_fseek().
Differential Revision: https://developer.blender.org/D11430
Reviewed by Brecht Van Lommel
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Math for drawing font over byte buffer was incorrect. Effect can be seen
when target buffer is fully black and transparent - this results in font
color being effectively premultiplied, which causes problems when image
is composited further.
Use `blend_color_mix_byte()` and `blend_color_mix_float()` for blending.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D11035
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`blf_dir_search` BLF util would not properly handle relative fonts not
found in pre-defined 'system fonts' directoriesi stored in
`global_font_dir` global variable.
Now it rebases relative paths to current .blend file location as
expected.
Note: the fact that VSE is setting font ptaths relative by default is
probably not actually desired, but this is another issue really. See
`BKE_sequencer_text_font_load` code.
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This avoids accidents using user-preferences in the main BLF API,
which could cause preferences to be used unintentionally
(such as stamping into renders or creating generated images).
As well as uses of BLF when preferences aren't loaded
such as animation playback.
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Fixes error in determining 3DView Overlay Line Height. Do not base on current default font height.
Differential Revision: https://developer.blender.org/D9288
Reviewed by Campbell Barton
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Default text output routines (which do not specify a size) will now use Text Style point size.
Differential Revision: https://developer.blender.org/D9107
Reviewed by Brecht Van Lommel
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This was caused by BLF conflicting with BGL api change.
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This makes more sense as this module has more to it than just
GL extensions.
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This is to modernize the API:
- Add meaningful name to all textures (except DRW textures).
- Remove unused err_out argument: only used for offscreen python.
- Add mipmap count to creation functions for future changes.
- Clarify the data usage in creation functions.
This is a cleanup commit, there is no functional change.
# Conflicts:
# source/blender/gpu/GPU_texture.h
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Use creation + update function instead.
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This is going to be unecessary after the GPU opengl texture backend refactor.
For now add a save/restore mechanism to leave the state untouched.
Also remove some calls where the caller would bind to particular binding
point and set the shader uniform.
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We now use GPU_blend for enabling / disabling blending and explicitly
set the blend equation.
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This is done at drawtime automatically.
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This replaces header include guards with `#pragma once`.
A couple of include guards are not removed yet (e.g. `__RNA_TYPES_H__`),
because they are used in other places.
This patch has been generated by P1561 followed by `make format`.
Differential Revision: https://developer.blender.org/D8466
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Quiet warning/error about int and float multiplication.
Differential Revision: https://developer.blender.org/D7893
Reviewed by Ray Molenkamp
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Adds the ability to print text in bold or italics style, synthesized from a single base UI font.
Differential Revision: https://developer.blender.org/D7893
Reviewed by Brecht Van Lommel
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