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lottie: allow expressions for the text properties

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Hermet Park 2025-02-05 14:13:27 +09:00 • committed by Hermet Park
parent 3e337083e8
commit 8add23dd3a
1 changed files with 13 additions and 13 deletions
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26
src/loaders/lottie/tvgLottieBuilder.cpp
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@ -1074,7 +1074,7 @@ void LottieBuilder::updateText(LottieLayer* layer, float frameNo)
ARRAY_FOREACH(p, glyph->children) {
auto group = static_cast<LottieGroup*>(*p);
ARRAY_FOREACH(p, group->children) {
if (static_cast<LottiePath*>(*p)->pathset(frameNo, SHAPE(shape)->rs.path.cmds, SHAPE(shape)->rs.path.pts, nullptr, nullptr, nullptr)) {
if (static_cast<LottiePath*>(*p)->pathset(frameNo, SHAPE(shape)->rs.path.cmds, SHAPE(shape)->rs.path.pts, nullptr, nullptr, nullptr, exps)) {
PAINT(shape)->update(RenderUpdateFlag::Path);
}
}
@ -1113,40 +1113,40 @@ void LottieBuilder::updateText(LottieLayer* layer, float frameNo)
if (tvg::zero(f)) continue;
needGroup = true;
translation = translation + f * range->style.position(frameNo);
scaling = scaling * (f * (range->style.scale(frameNo) * 0.01f - Point{1.0f, 1.0f}) + Point{1.0f, 1.0f});
rotation += f * range->style.rotation(frameNo);
translation = translation + f * range->style.position(frameNo, exps);
scaling = scaling * (f * (range->style.scale(frameNo, exps) * 0.01f - Point{1.0f, 1.0f}) + Point{1.0f, 1.0f});
rotation += f * range->style.rotation(frameNo, exps);
opacity = (uint8_t)(opacity - f * (opacity - range->style.opacity(frameNo)));
opacity = (uint8_t)(opacity - f * (opacity - range->style.opacity(frameNo, exps)));
shape->opacity(opacity);
auto rangeColor = range->style.fillColor(frameNo); //TODO: use flag to check whether it was really set
auto rangeColor = range->style.fillColor(frameNo, exps); //TODO: use flag to check whether it was really set
if (tvg::equal(f, 1.0f)) color = rangeColor;
else {
color.rgb[0] = lerp<uint8_t>(color.rgb[0], rangeColor.rgb[0], f);
color.rgb[1] = lerp<uint8_t>(color.rgb[1], rangeColor.rgb[1], f);
color.rgb[2] = lerp<uint8_t>(color.rgb[2], rangeColor.rgb[2], f);
}
fillOpacity = (uint8_t)(fillOpacity - f * (fillOpacity - range->style.fillOpacity(frameNo)));
fillOpacity = (uint8_t)(fillOpacity - f * (fillOpacity - range->style.fillOpacity(frameNo, exps)));
shape->fill(color.rgb[0], color.rgb[1], color.rgb[2], fillOpacity);
shape->strokeWidth(f * range->style.strokeWidth(frameNo) / scale);
shape->strokeWidth(f * range->style.strokeWidth(frameNo, exps) / scale);
if (shape->strokeWidth() > 0.0f) {
auto rangeColor = range->style.strokeColor(frameNo); //TODO: use flag to check whether it was really set
auto rangeColor = range->style.strokeColor(frameNo, exps); //TODO: use flag to check whether it was really set
if (tvg::equal(f, 1.0f)) strokeColor = rangeColor;
else {
strokeColor.rgb[0] = lerp<uint8_t>(strokeColor.rgb[0], rangeColor.rgb[0], f);
strokeColor.rgb[1] = lerp<uint8_t>(strokeColor.rgb[1], rangeColor.rgb[1], f);
strokeColor.rgb[2] = lerp<uint8_t>(strokeColor.rgb[2], rangeColor.rgb[2], f);
}
strokeOpacity = (uint8_t)(strokeOpacity - f * (strokeOpacity - range->style.strokeOpacity(frameNo)));
strokeOpacity = (uint8_t)(strokeOpacity - f * (strokeOpacity - range->style.strokeOpacity(frameNo, exps)));
shape->strokeFill(strokeColor.rgb[0], strokeColor.rgb[1], strokeColor.rgb[2], strokeOpacity);
shape->order(doc.stroke.below);
}
cursor.x += f * range->style.letterSpacing(frameNo);
cursor.x += f * range->style.letterSpacing(frameNo, exps);
auto spacing = f * range->style.lineSpacing(frameNo);
auto spacing = f * range->style.lineSpacing(frameNo, exps);
if (spacing > lineSpacing) lineSpacing = spacing;
}
@ -1155,7 +1155,7 @@ void LottieBuilder::updateText(LottieLayer* layer, float frameNo)
identity(&textGroupMatrix);
translate(&textGroupMatrix, cursor);
auto alignment = text->alignOption.anchor(frameNo);
auto alignment = text->alignOption.anchor(frameNo, exps);
// center pivoting
textGroupMatrix.e13 += alignment.x;