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path: root/source/blender/blenfont/intern/blf_glyph.c
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2022-09-24BLF: Refactor of DPIHarley Acheson
Correction of U.dpi to hold actual monitor DPI. Simplify font sizing by omitting DPI as API argument, always using 72 internally. See D15961 for more details. Differential Revision: https://developer.blender.org/D15961 Reviewed by Campbell Barton
2022-08-28Cleanup: use const FontBLF argumentsCampbell Barton
2022-08-20BLF: Fix FT_Get_Advance Wrong Value Without SizeHarley Acheson
Fix possibility of getting invalid fixed-pitch advance size. See D15735 for more details. Differential Revision: https://developer.blender.org/D15735 Own Code.
2022-08-19Cleanup: minor changes to BLF APICampbell Barton
- Use upper-case for defines. - Use u-prefix for unsigned types. - Use snake case for struct members. - Use const struct for unicode_blocks & arguments. - Use doxy style comments for struct members. - Add doxy sections for recently added code. - Correct code-comments (outdated references). - Remove 'e' prefix from struct UnicodeBlock/FaceDetails (normally used for enums).
2022-08-19Cleanup: spelling in commentsCampbell Barton
2022-08-18BLF: Gamma CorrectionHarley Acheson
Gamma correction for glyph coverage values. See D13376 for details and examples. Differential Revision: https://developer.blender.org/D13376 Reviewed by Julian Eisel
2022-08-17BLF: FreeType Optional CachingHarley Acheson
Implementation of the FreeType 2 cache subsystem, which limits the number of concurrently-opened FT_Face and FT_Size objects, as well as caching information like character maps to speed up glyph id lookups. This time with the option of opening FontBLFs that are not cached. See D15686 for more details. Differential Revision: https://developer.blender.org/D15686 Reviewed by Brecht Van Lommel
2022-08-11BLF: Mutex Lock Glyph Cache Per Font, Not GlobalHarley Acheson
Only lock access to our glyph caches per-font, rather than globally. Also upgrade from spinlocks to mutexes. See D15644 for more details. Differential Revision: https://developer.blender.org/D15644 Reviewed by Brecht Van Lommel
2022-08-09BLF: Revert FreeType CacheHarley Acheson
Remove the FreeType cache implementation. Not multithreading correctly. Original commit: 9d77b5a0ed7b See D15647 for more details. Differential Revision: https://developer.blender.org/D15647 Own Code.
2022-08-09Fix T100242: Handle Flushed FT SizesHarley Acheson
Properly deal with FreeType cache flushing a font's ft_size. Set this to NULL in finalizer, and add a blf_ensure_size to make sure it exists only when needed. See D15639 for more details. Differential Revision: https://developer.blender.org/D15639 Reviewed by Brecht Van Lommel
2022-08-04BLF: Implement FreeType CachingHarley Acheson
Implementation of the FreeType 2 cache subsystem, which limits the number of concurrently-opened FT_Face and FT_Size objects, as well as caching information like character maps to speed up glyph id lookups. See D13137 for much more detail. Differential Revision: https://developer.blender.org/D13137 Reviewed by Brecht Van Lommel
2022-07-29BLF: New Font Stack for Better Language CoverageHarley Acheson
Replace our existing two fonts with a stack of new fonts to increase and improve language coverage and to add many new symbols and icons. Covers glyphs of top 44 languages - 1.5 billion more potential users. See D10887 for lots of details. Differential Revision: https://developer.blender.org/D10887 Reviewed by Brecht Van Lommel
2022-07-29BLF: Fonts with FT_Face OptionalHarley Acheson
Allow FontBLFs to exist with NULL FT_Face, added only when actually needed. Speeds up startup and unused fonts are not loaded. See D15258 for more details. Differential Revision: https://developer.blender.org/D15258 Reviewed by Brecht Van Lommel
2022-07-08Cleanup: spelling in commentsCampbell Barton
Also move mis-placed doc-string.
2022-07-08Cleanup: Calm GCC Conversion WarningHarley Acheson
Commit b9c0eed206b0 introduced a GCC conversion warning because of an assignment of a long int value to an int. Own Code
2022-07-07BLF: Add Support for Variable FontsHarley Acheson
Add support for Variable/Multiple Master font features. These are fonts that contain a range of design variations along multiple axes. This contains no client-facing options. See D12977 for details and examples Differential Revision: https://developer.blender.org/D12977 Reviewed by Brecht Van Lommel
2022-07-04Cleanup: spelling in commentsCampbell Barton
2022-06-28Cleanup: compiler warnings, remove unused functionsCampbell Barton
2022-06-27Revert 6de0f299505a: BLF: Support for Variable FontsHarley Acheson
Reverting for now, breaks on GCC
2022-06-27BLF: Add Support for Variable FontsHarley Acheson
Add support for Variable/Multiple Master font features. These are fonts that contain a range of design variations along multiple axes. This contains no client-facing options. See D12977 for details and examples Differential Revision: https://developer.blender.org/D12977 Reviewed by Brecht Van Lommel
2022-06-17Cleanup: Compiler Warning of Sign Conversion #2Ray Molenkamp
Second attempt to silence sign-conversion warning on Linux, introduced in rB524a9e3db810. Confirmed fix on buildbot.
2022-06-17Cleanup: Compiler Warning of Sign ConversionHarley Acheson
rB524a9e3db810 introduced sign-conversion warning on Linux. Own Code
2022-06-17BLF: Fallback Font StackHarley Acheson
Allow use of multiple fonts acting together like a fallback stack, where if a glyph is not found in one it can be retrieved from another. See D12622 for much more detail Differential Revision: https://developer.blender.org/D12622 Reviewed by Brecht Van Lommel
2022-04-13Cleanup: avoid redundant float/int conversions in BLFCampbell Barton
Internally many offsets for BLF were integers but exposed as floats, since these are used in pixel-space, many callers were converging them back to integers. Simplify logic by using ints.
2022-04-13BLF: sub-pixel positioning supportCampbell Barton
Support sub-pixel kerning and hinting for future support for improved character placement. No user visible changes have been made. - Calculate sub-pixel offsets, using integer maths. - Use convenience functions to perform the conversions and hide the underlying values. - Use `ft_pix` type to distinguish values that use sub-pixel integer values from freetype and values rounded to pixels. This was originally based on D12999 by @harley with the user visible changes removed so they can be applied separately.
2022-03-25BLF Cleanup: Use FreeType Enum FT_Err_OkHarley Acheson
Replace comparisons of FT_Error against 0 with FT_Err_Ok instead. See D14052 for more details. Differential Revision: https://developer.blender.org/D14052 Reviewed by Campbell Barton
2022-02-11File headers: SPDX License migrationCampbell Barton
Use a shorter/simpler license convention, stops the header taking so much space. Follow the SPDX license specification: https://spdx.org/licenses - C/C++/objc/objc++ - Python - Shell Scripts - CMake, GNUmakefile While most of the source tree has been included - `./extern/` was left out. - `./intern/cycles` & `./intern/atomic` are also excluded because they use different header conventions. doc/license/SPDX-license-identifiers.txt has been added to list SPDX all used identifiers. See P2788 for the script that automated these edits. Reviewed By: brecht, mont29, sergey Ref D14069
2022-02-05BLF: Cleanup blf_glyph_cache_find & blf_font_sizeHarley Acheson
Removes unnecessary calls to blf_glyph_cache_find, simplifies blf_font_size, and reduces calls to it. blf_glyph_cache_new and blf_glyph_cache_find made static. See D13374 for more details. Differential Revision: https://developer.blender.org/D13374 Reviewed by Campbell Barton
2022-02-05BLF: Save fixed_width value in cacheHarley Acheson
Cache the font size's ideal fixed width column size in the glyph cache rather than the font itself to improve performance. See D13226 for more details. Differential Revision: https://developer.blender.org/D13226 Reviewed by Campbell Barton
2022-02-05BLF: blf_glyph_cache_free Made StaticHarley Acheson
blf_glyph_cache_free does not need to be public. See D13395 for more details. Differential Revision: https://developer.blender.org/D13395 Reviewed by Campbell Barton
2021-12-08Cleanup: move public doc-strings into headers for 'blenfont'Campbell Barton
Ref T92709
2021-11-13BLF: Use Floats for Font Point SizesHarley Acheson
Allow the use of floating-point values for font point sizes, which allows greater precision and flexibility for text output. See D8960 for more information, details, and justification. Differential Revision: https://developer.blender.org/D8960 Reviewed by Campbell Barton
2021-11-08Cleanup: use doxygen for BLF glyphCampbell Barton
- Use doxy formatted functions. - Use doxy sections.
2021-11-06BLF: Refactor blf_glyph.cHarley Acheson
Cleanup and Simplification of blf_glyph.c See D13095 for details. Differential Revision: https://developer.blender.org/D13095 Reviewed by Campbell Barton
2021-11-03BLF: Remove Thread Locking For Font MetricsHarley Acheson
This patch removes the need to lock the thread just to get to some generic (not glyph-specific) font metrics. See D12976 for more details. Differential Revision: https://developer.blender.org/D12976 Reviewed by Campbell Barton
2021-10-29Cleanup: resolve cast warningsCampbell Barton
2021-10-29BLF Refactor: blf_utf8_next_fastHarley Acheson
Simplification of BLF glyph loading See D13026 for details. Differential Revision: https://developer.blender.org/D13026 Reviewed by Campbell Barton
2021-08-21Refactor: BLF Kerning Cache After UseHarley Acheson
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
2021-08-19Refactor: BLF Without Kerning ModesHarley Acheson
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
2021-08-16BLF: avoid unnecessary lookups in blf_kerning_cache_newCampbell Barton
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).
2021-08-16Cleanup: rename kerning table to ascii_tableCampbell Barton
It wasn't obvious this was only for ASCII characters.
2021-08-14BLF Cleanup: Size Defines, Comments, etcHarley Acheson
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
2021-07-03Cleanup: consistent use of tags: NOTE/TODO/FIXME/XXXCampbell Barton
Also use doxy style function reference `#` prefix chars when referencing identifiers.
2021-06-07Fix T77651: Black screen on Blender startup on ChromeOSGermano Cavalcante
Apparently `textureSize` doesn't work with `sampler1DArray` on this OS. Thanks to @dave1853 for finding the source of the problem.
2020-09-09Cleanup: reduce variable scopeJacques Lucke
2020-09-07GPU: Rename gpu_extensions to gpu_capabilitiesClément Foucault
This makes more sense as this module has more to it than just GL extensions.
2020-09-05GPUTexture: Change texture creation APIClément Foucault
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
2020-09-05Cleanup: GPUTexture: Remove use of GPU_texture_create_nDClément Foucault
Use creation + update function instead.
2020-06-06Fix for T77478: Quiet Conversion Error/WarningHarley Acheson
Quiet warning/error about int and float multiplication. Differential Revision: https://developer.blender.org/D7893 Reviewed by Ray Molenkamp
2020-06-06UI: Ability to Print Bold and ItalicsHarley Acheson
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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