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examples/slot: added example for image slot overriding

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Jinny You 2024-11-11 11:14:08 +09:00 • committed by Hermet Park
parent efe7440fa0
commit 4ec7ce65bc
4 changed files with 23 additions and 1 deletions
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23
examples/LottieExtension.cpp
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@ -32,6 +32,7 @@ struct UserExample : tvgexam::Example
unique_ptr<tvg::LottieAnimation> slot0;
unique_ptr<tvg::LottieAnimation> slot1;
unique_ptr<tvg::LottieAnimation> slot2;
unique_ptr<tvg::LottieAnimation> slot3;
unique_ptr<tvg::LottieAnimation> marker;
uint32_t w, h;
uint32_t size;
@ -78,6 +79,12 @@ struct UserExample : tvgexam::Example
slot2->frame(slot2->totalFrame() * progress);
}
//image slot
{
auto progress = tvgexam::progress(elapsed, slot3->duration());
slot3->frame(slot3->totalFrame() * progress);
}
//marker
{
auto progress = tvgexam::progress(elapsed, marker->duration());
@ -142,6 +149,20 @@ struct UserExample : tvgexam::Example
canvas->push(picture);
}
//slot (image)
{
slot3 = std::unique_ptr<tvg::LottieAnimation>(tvg::LottieAnimation::gen());
auto picture = slot3->picture();
if (!tvgexam::verify(picture->load(EXAMPLE_DIR"/lottie/extensions/slotsample3.json"))) return false;
const char* slotJson = R"({"path_img":{"id":"image_0","w":200,"h":300,"u":"images/","p":"logo.png","e":0}})";
if (!tvgexam::verify(slot3->override(slotJson))) return false;
sizing(picture, 3);
canvas->push(picture);
}
//marker
{
marker = std::unique_ptr<tvg::LottieAnimation>(tvg::LottieAnimation::gen());
@ -149,7 +170,7 @@ struct UserExample : tvgexam::Example
if (!tvgexam::verify(picture->load(EXAMPLE_DIR"/lottie/extensions/marker_sample.json"))) return false;
if (!tvgexam::verify(marker->segment("sectionC"))) return false;
sizing(picture, 3);
sizing(picture, 4);
canvas->push(picture);
}

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1
examples/resources/lottie/extensions/slotsample3.json Normal file
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@ -0,0 +1 @@
{"v":"5.4.3","fr":60,"ip":0,"op":60,"w":800,"h":800,"nm":"test","ddd":0,"assets":[{"id":"image_0","w":200,"h":300,"u":"images/","p":"img_0.png","e":0,"sid":"path_img"}],"layers":[{"ddd":0,"ind":1,"ty":2,"nm":"img_0.png","cl":"png","refId":"image_0","sr":1,"ks":{"o":{"a":0,"k":100,"ix":11},"r":{"a":1,"k":[{"i":{"x":[0.833],"y":[0.833]},"o":{"x":[0.167],"y":[0.167]},"n":["0p833_0p833_0p167_0p167"],"t":0,"s":[0],"e":[56]},{"t":50}],"ix":10},"p":{"a":0,"k":[400,400,0],"ix":2},"a":{"a":0,"k":[100,150,0],"ix":1},"s":{"a":1,"k":[{"i":{"x":[0.833,0.833,0.833],"y":[0.833,0.833,0.833]},"o":{"x":[0.167,0.167,0.167],"y":[0.167,0.167,0.167]},"n":["0p833_0p833_0p167_0p167","0p833_0p833_0p167_0p167","0p833_0p833_0p167_0p167"],"t":0,"s":[99,99,100],"e":[152,152,100]},{"t":50}],"ix":6}},"ao":0,"ip":0,"op":60,"st":0,"bm":0}],"markers":[]}