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wasm: Set a GIF background color.

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Use a white background by default.
This commit is contained in:
Hermet Park 2023-11-13 20:32:48 +09:00
parent b1c1958c99
commit 750e4d6261
1 changed files with 7 additions and 2 deletions
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9
src/bindings/wasm/tvgWasm.cpp
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@ -22,8 +22,6 @@
#include <thorvg.h> #include <thorvg.h>
#include <emscripten/bind.h> #include <emscripten/bind.h>
#include "tvgIteratorAccessor.h"
using namespace emscripten; using namespace emscripten;
using namespace std; using namespace std;
@ -242,6 +240,13 @@ public:
return false; return false;
} }
//set a white opaque background
auto bg = tvg::Shape::gen();
bg->fill(255, 255, 255, 255);
bg->appendRect(0, 0, ow * scale, oh * scale);
saver->background(std::move(bg));
if (saver->save(std::move(animation), "output.gif", 100, fps) != tvg::Result::Success) { if (saver->save(std::move(animation), "output.gif", 100, fps) != tvg::Result::Success) {
errorMsg = "save(), fail"; errorMsg = "save(), fail";
return false; return false;