git_clone/thorvg
1
0
Fork 0
mirror of https://github.com/thorvg/thorvg.git synced 2025-06-08 13:43:43 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 5

lottie: fix text stroke's 'of' property

Browse source 
The text stroke's 'of' property determines whether
the stroke appears above (true) or below (false)
the fill.
Previously, it was incorrectly used to decide whether
the stroke would render.

@Issue: https://github.com/thorvg/thorvg/issues/3126
This commit is contained in:
Mira Grudzinska 2025-01-14 12:35:17 +01:00
parent c460591b39
commit 12b9c5fc53
3 changed files with 7 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
src/loaders/lottie/tvgLottieBuilder.cpp
View file

@ -1090,10 +1090,11 @@ void LottieBuilder::updateText(LottieLayer* layer, float frameNo)
shape->translate(cursor.x - textGroupMatrix.e13, cursor.y - textGroupMatrix.e23);
shape->opacity(255);
if (doc.stroke.render) {
if (doc.stroke.width > 0.0f) {
shape->stroke(StrokeJoin::Round);
shape->stroke(doc.stroke.width / scale);
shape->stroke(doc.stroke.color.rgb[0], doc.stroke.color.rgb[1], doc.stroke.color.rgb[2]);
shape->order(doc.stroke.below);
}
auto needGroup = false;
@ -1145,8 +1146,8 @@ void LottieBuilder::updateText(LottieLayer* layer, float frameNo)
fillOpacity = (uint8_t)(fillOpacity - f * (fillOpacity - (*s)->style.fillOpacity(frameNo)));
shape->fill(color.rgb[0], color.rgb[1], color.rgb[2], fillOpacity);
if (doc.stroke.render) {
shape->stroke(f * (*s)->style.strokeWidth(frameNo) / scale);
shape->stroke(f * (*s)->style.strokeWidth(frameNo) / scale);
if (shape->strokeWidth() > 0.0f) {
auto rangeColor = (*s)->style.strokeColor(frameNo); //TODO: use flag to check whether it was really set
if (tvg::equal(f, 1.0f)) strokeColor = rangeColor;
else {
@ -1156,6 +1157,7 @@ void LottieBuilder::updateText(LottieLayer* layer, float frameNo)
}
strokeOpacity = (uint8_t)(strokeOpacity - f * (strokeOpacity - (*s)->style.strokeOpacity(frameNo)));
shape->stroke(strokeColor.rgb[0], strokeColor.rgb[1], strokeColor.rgb[2], strokeOpacity);
shape->order(doc.stroke.below);
}
cursor.x += f * (*s)->style.letterSpacing(frameNo);

2
src/loaders/lottie/tvgLottieCommon.h
View file

@ -62,7 +62,7 @@ struct TextDocument
struct {
RGB24 color;
float width;
bool render = false;
bool below = false;
} stroke;
char* name = nullptr;
float size;

2
src/loaders/lottie/tvgLottieParser.cpp
View file

@ -177,7 +177,7 @@ bool LottieParser::getValue(TextDocument& doc)
else if (KEY_AS("sz")) getValue(doc.bbox.size);
else if (KEY_AS("sc")) getValue(doc.stroke.color);
else if (KEY_AS("sw")) doc.stroke.width = getFloat();
else if (KEY_AS("of")) doc.stroke.render = getBool();
else if (KEY_AS("of")) doc.stroke.below = !getBool();
else skip(key);
}
return false;