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Author SHA1 Message Date
Mira Grudzinska
1fdfe8a3b8 sw_engine: handle grad edge cases 
For a linear gradient defined by identical start and end
points, and for a radial gradient with a radius of 0,
the rendered shape should have the color of the last
specified color stop.
The documentation has been updated accordingly.

@Issue: https://github.com/thorvg/thorvg/issues/2582
 2024-09-30 15:48:18 +09:00
Sergii Liebodkin
cff78dc067 wg_engine: emscripten and browser support 
[issues 2410: emscripten support](https://github.com/thorvg/thorvg/issues/2410)
- Research and prototype the Emscripten build with WebGPU.

meson setup script:
   meson setup builddir -Ddefault_library=static -Dloaders=all -Dsavers="all" -Dbindings="wasm_beta" -Dengines="wg_beta" --cross-file ./cross/wasm_webgpu.txt
 2024-09-30 15:48:18 +09:00
Hermet Park
17e628d8f7 lottie: remove useless condition check. 
lottie is always animatable.
 2024-09-30 15:48:18 +09:00
Sergii Liebodkin
0004887225 wg_engine: introduce simultaneous flag support for strokes trimming 
https://github.com/thorvg/thorvg/issues/2435
 2024-09-30 15:48:18 +09:00
Mira Grudzinska
e21c225b7f common: fix trimming 
By mistake > was used instead of >=.
The issue was observed for trim when
the trim length was exactly zero.
 2024-09-30 15:48:18 +09:00
Mira Grudzinska
d29a3d754b common: move&fix trimming wrapping logic 
The logic of interpretation of trimming start and
end values has been moved to the sw_engine,
so the values provided by the user are not modified.
No logical changes in the interpretation alg.

For pairs of trim's start/end values where the distance
between begin and end is >= 1, the entire stroke should
be drawn, but instead, nothing or only part is drawn. Fixed.

Stroke trim docs fixed.
 2024-09-30 15:48:18 +09:00
Hermet Park
c9ad7289a6 lottie/expressions: feature enhancement 
added groupIndex() support
added property (ix) value support
 2024-09-30 15:48:18 +09:00
Hermet Park
fc61fc42c2 lottie: code refactoring 
Access its type from a property instance,
through coherent data structure.
 2024-09-30 15:48:18 +09:00
Łukasz Pomietło
2b3930b46d ttf_loader: Basic support for composite glyphs loading (#2600) 
Adds the ability to load some composite glyphs and prevents an error when a composite glyph is used.

Implementation based on ttf glyf table documentation: https://learn.microsoft.com/en-us/typography/opentype/spec/glyf

There are still some missing features like scaling, parent glyph point based positioning etc. I think this is a topic for future work. Howerever, it looks like implemented features are enough for utf-8 latin subset in major fonts.

issue: #2599
 2024-09-30 15:48:13 +09:00
Hermet Park
ecabdc5ebc renderer: code refactoring 
Replaced the transformation with
a strong associated data field.

This helps to reduce the binary size (-1k).
 2024-09-30 15:39:52 +09:00
Hermet Park
157e873e83 common: code refactoring 
Trimming the transform data pass,
from RenderTransform to Matrix.

No logical changes.
 2024-09-30 15:39:46 +09:00
Hermet Park
dac36f490f Update CODEOWNERS 2024-09-30 15:39:41 +09:00
Hermet Park
a801ad7e25 Update CODEOWNERS 2024-09-30 15:39:36 +09:00
Mira Grudzinska
7274b3d601 sw_engine: fix radial coefficients calculations 
In the Taylor series expansion, there was a missing
division by 2! in the term with the second derivative.

@Issue: https://github.com/thorvg/thorvg/issues/2530
 2024-09-30 15:39:20 +09:00
Hermet Park
4ed9ada00e lottie/expressions: hotfix 
- fixed a memory leak.
- corrected loopIn key value.
 2024-09-30 15:38:32 +09:00
Hermet Park
dfc6e67c6b sw_engine: rectified the image raster return value. 
Return the raster image as a success unless
it fails due to any problematic condition.

The changed cases are just invisible condition
of the images.
 2024-09-30 15:38:23 +09:00
Hermet Park
656fb6f498 renderer/animation: rectified the segment value exception 
A zero-range segment can be useful for a stopped motion.
There is no need to prohibit these values.
 2024-09-30 15:38:10 +09:00
Hermet Park
2478a5f65a lottie/expressions: feature support enhancement 
- revised the transformation building logic.
- rectified to properly search "this" composition layers.
- rectified the linear interpolation implementation.
- added "pingpong" looping attributes.
 2024-09-30 15:38:05 +09:00
Hermet Park
4e3d027fa7 lottie: code refactoring 
- removed unnecessary variables.
- migrated the composition methods to the precomp layer.
 2024-09-30 15:38:00 +09:00
Mira Grudzinska
792b6a786d sw_engine: fix linear grad issue 
The restriction of the 'length' of a linear gradient
to values greater than FLT_EPSILON was causing rendering
issues in cases where it was a valid gradient with well
defined dx and dy values.

@Issue: https://github.com/thorvg/thorvg/issues/2582
 2024-09-30 15:37:55 +09:00
Hermet Park
7bb4eda3a3 svg: resolve compiler warnings. 
../src/loaders/svg/tvgSvgLoader.cpp: In function ‘bool _toColor(const char*, uint8_t*, uint8_t*, uint8_t*, char**)’:
../src/loaders/svg/tvgSvgLoader.cpp:108:17: warning: ‘hue’ may be used uninitialized [-Wmaybe-uninitialized]
  108 |     const char* _end = end ? *end : nullptr;
      |                 ^~~~
../src/loaders/svg/tvgSvgLoader.cpp:713:31: note: ‘hue’ was declared here
  713 |         const char *content, *hue, *saturation, *brightness;
      |                               ^~~
../src/loaders/svg/tvgSvgLoader.cpp:108:17: warning: ‘saturation’ may be used uninitialized [-Wmaybe-uninitialized]
  108 |     const char* _end = end ? *end : nullptr;
      |                 ^~~~
../src/loaders/svg/tvgSvgLoader.cpp:713:37: note: ‘saturation’ was declared here
  713 |         const char *content, *hue, *saturation, *brightness;
      |                                     ^~~~~~~~~~
../src/loaders/svg/tvgSvgLoader.cpp:108:17: warning: ‘brightness’ may be used uninitialized [-Wmaybe-uninitialized]
  108 |     const char* _end = end ? *end : nullptr;
      |                 ^~~~
../src/loaders/svg/tvgSvgLoader.cpp:713:50: note: ‘brightness’ was declared here
  713 |         const char *content, *hue, *saturation, *brightness;
      |                                                  ^~~~~~~~~~
 2024-09-30 15:37:52 +09:00
Hermet Park
d7e4fc7d6a lottie: ++optimization with object culling 
More precisely, culling the render objects by
determining if the group has no renderable objects.

Additionally, check opacity to quickly return
in the rendering process.
 2024-09-30 15:37:40 +09:00
Hermet Park
935d3d83ae lottie: hotfix with an intermediate patch merge. 2024-09-30 15:37:32 +09:00
Hermet Park
7a6d2e0c5a lottie: ++scene rendering optimization 
Apply LottieRenderPooler to texts.
 2024-09-30 15:37:26 +09:00
Hermet Park
859b3f6c39 example: merge Path & PathCopy 2024-09-30 15:37:15 +09:00
Hermet Park
64e8bfddfd renderer: quick skip rendering if the opacity is zero 
This also resolves a corner case bug introduced by
lottie render pooling: f06127ab93
 2024-09-30 15:37:06 +09:00
Hermet Park
fe107ea757 sw_engine: hotfix simd build breaks 
regression by 837cf32bcb
 2024-09-30 15:36:30 +09:00
Hermet Park
d671f8637b lottie/expressions: ++coverage enhancement 
Allow to access layer index globally.
 2024-09-30 15:36:24 +09:00
Hermet Park
9749e7fea0 examples: updated lottie samples 2024-09-30 15:36:18 +09:00
Hermet Park
072ce383db examples: added more expressions samples 2024-09-30 15:36:11 +09:00
Hermet Park
0b66cd422e lottie/expressions: added a missing polystar property build. 2024-09-30 15:35:59 +09:00
Hermet Park
e4fb0ec383 sw_engine: ++alpha blending operation. 
Reduce instructions, improving its performance by ~15%
 2024-09-30 15:35:52 +09:00
Mira Grudzinska
220764fde9 tests: version api tests 2024-09-30 15:35:45 +09:00
Mira Grudzinska
658ed7df7f capi: the version api binding 2024-09-30 15:35:40 +09:00
Mira Grudzinska
0944f3253d common: version api introduced 
@Issue: https://github.com/thorvg/thorvg/issues/2543
 2024-09-30 15:35:34 +09:00
Sergii Liebodkin
e16dcdcb6d wg_engine: fix cubic generation artifacts (GradientStroke example) 
[GradientStroke](https://github.com/thorvg/thorvg/issues/2435) example

More accurate coefitient computation
 2024-09-30 15:35:28 +09:00
Sergii Liebodkin
8d150a17b4 wg_engine: fix fill spread artifacts 
[issues 2435: ](FillSpread) example

Fixed range selector edged cases
 2024-09-30 15:35:22 +09:00
Hermet Park
3cb7aecb6a renderer: ++null check 
fixed a Duplicate example crash, regression by:
f06127ab93
 2024-09-30 15:35:16 +09:00
Sergii Liebodkin
03b36cea7b wg_engine: ClipPath support 
[issues 1479: ClipPath](#1479)

Supports ClipPath composition.
Clip path composition is an only composition type who doesn't ignore blend method.
Clip path is a combination of composition approach and blend approach using compute shader
 2024-09-30 15:35:10 +09:00
Hermet Park
699063625b lottie: ++scene rendering optimization 
Apply LottieRenderPooler to path/rect/ellipse/polystar.

This enhances the animation performance: ~10%
 2024-09-30 15:34:57 +09:00
Hermet Park
7e9febf2c6 examples: ++exception handling 
Added handling for engine initialization failure.
 2024-09-30 15:34:48 +09:00
Mira Grudzinska
ea7f8e6190 sw_engine: grayscale image support++ 2024-09-30 15:33:57 +09:00
Hermet Park
ba3d2b77a1 lottie: introduced LottieRenderPooler 
LottieRenderPooler is designed to manages rendering
instances(paints) efficiently through a simple pooling
mechanism to resuse among the animations

This replaces the previous individusal paints implemenations
among solidfill, precomp vierport and pictures,
also fix a potential paints corruption problems.
 2024-09-30 15:33:49 +09:00
Hermet Park
cf0d04a9ae infra: updated ios arm64 build 2024-09-30 15:32:09 +09:00
Hermet Park
ec00238aed examples: added LottieExpressions 2024-09-30 15:31:55 +09:00
Hermet Park
e27b8ddf25 lottie/parser: tiny binary size reduction 2024-09-30 15:30:47 +09:00
Mira Grudzinska
774e4f5156 lottie: support 'direction' in ellipses 2024-09-30 15:30:29 +09:00
Mira Grudzinska
177bae539c lottie: remove unnecessary cast 2024-09-30 15:30:18 +09:00
Hermet Park
3d9f7ebbc3 examples: updated lottie samples 2024-09-30 15:30:12 +09:00
Hermet Park
12b7c634f7 lottie: clarify shape direction. 
There are only two options clockwise or counter-clockwise.
 2024-09-30 15:29:22 +09:00