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lottie: add support for image size

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The width and height of the image must
be specified in the Lottie file and must
be taken into account during rendering.
This commit is contained in:
Mira Grudzinska 2024-07-08 13:23:14 +02:00 • committed by Hermet Park
parent 329ab9ef4a
commit 423e37d4d5
4 changed files with 12 additions and 3 deletions
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1
src/loaders/lottie/tvgLottieBuilder.cpp
View file

@ -1042,6 +1042,7 @@ static void _updateImage(LottieGroup* layer)
TaskScheduler::async(true);
PP(image->picture)->ref();
image->picture->size(image->width, image->height);
}
if (image->refCnt == 1) layer->scene->push(tvg::cast(image->picture));

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

@ -458,6 +458,8 @@ struct LottieImage : LottieObject
char* mimeType = nullptr;
uint32_t size = 0;
uint16_t refCnt = 0; //refernce count
float width = 0.0f;
float height = 0.0f;
~LottieImage();

10
src/loaders/lottie/tvgLottieParser.cpp
View file

@ -899,7 +899,7 @@ void LottieParser::parseObject(Array<LottieObject*>& parent)
}
LottieImage* LottieParser::parseImage(const char* data, const char* subPath, bool embedded)
LottieImage* LottieParser::parseImage(const char* data, const char* subPath, bool embedded, float width, float height)
{
//Used for Image Asset
auto image = new LottieImage;
@ -922,6 +922,8 @@ LottieImage* LottieParser::parseImage(const char* data, const char* subPath, boo
snprintf(image->path, len, "%s/%s%s", dirName, subPath, data);
}
image->width = width;
image->height = height;
image->prepare();
return image;
@ -938,6 +940,8 @@ LottieObject* LottieParser::parseAsset()
//Used for Image Asset
const char* data = nullptr;
const char* subPath = nullptr;
float width = 0.0f;
float height = 0.0f;
auto embedded = false;
while (auto key = nextObjectKey()) {
@ -952,10 +956,12 @@ LottieObject* LottieParser::parseAsset()
else if (KEY_AS("layers")) obj = parseLayers();
else if (KEY_AS("u")) subPath = getString();
else if (KEY_AS("p")) data = getString();
else if (KEY_AS("w")) width = getFloat();
else if (KEY_AS("h")) height = getFloat();
else if (KEY_AS("e")) embedded = getInt();
else skip(key);
}
if (data) obj = parseImage(data, subPath, embedded);
if (data) obj = parseImage(data, subPath, embedded, width, height);
if (obj) obj->id = id;
return obj;
}

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

@ -74,7 +74,7 @@ private:
LottieObject* parseObject();
LottieObject* parseAsset();
LottieImage* parseImage(const char* data, const char* subPath, bool embedded);
LottieImage* parseImage(const char* data, const char* subPath, bool embedded, float width, float height);
LottieLayer* parseLayer();
LottieObject* parseGroup();
LottieRect* parseRect();