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

tools/lottie2gif: support background color setting.

Browse source 
A white background will be set by default.

Usage:
$lottie2gif test.lottie -b ff0000 //red background color
This commit is contained in:
Hermet Park 2023-11-13 20:41:05 +09:00 • committed by Hermet Park
parent 08252990a6
commit 2d2a8a7df8
2 changed files with 22 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
README.md
View file

@ -378,7 +378,7 @@ Both flags, if provided, are applied to all of the `.json` files.
The usage examples of the `lottie2gif`: The usage examples of the `lottie2gif`:
``` ```
Usage: Usage:
lottie2gif [Lottie file] or [Lottie folder] [-r resolution] [-f fps] lottie2gif [Lottie file] or [Lottie folder] [-r resolution] [-f fps] [-b background color]
Flags: Flags:
-r set the output image resolution. -r set the output image resolution.
@ -390,7 +390,7 @@ Examples:
$ lottie2gif input.json -r 600x600 -f 30 $ lottie2gif input.json -r 600x600 -f 30
$ lottie2gif lottiefolder $ lottie2gif lottiefolder
$ lottie2gif lottiefolder -r 600x600 $ lottie2gif lottiefolder -r 600x600
$ lottie2gif lottiefolder -r 600x600 -f 30 $ lottie2gif lottiefolder -r 600x600 -f 30 -b fa7410
``` ```
### SVG to PNG ### SVG to PNG

21
src/tools/lottie2gif/lottie2gif.cpp
View file

@ -47,10 +47,11 @@ private:
uint32_t fps = 30; uint32_t fps = 30;
uint32_t width = 600; uint32_t width = 600;
uint32_t height = 600; uint32_t height = 600;
uint32_t bgColor = 0xffffffff; //a white by default.
void helpMsg() void helpMsg()
{ {
cout << "Usage: \n lottie2gif [Lottie file] or [Lottie folder] [-r resolution] [-f fps]\n\nExamples: \n $ lottie2gif input.json\n $ lottie2gif input.json -r 600x600\n $ lottie2gif input.json -f 30\n $ lottie2gif input.json -r 600x600 -f 30\n $ lottie2gif lottiefolder\n $ lottie2gif lottiefolder -r 600x600 -f 30\n\n"; cout << "Usage: \n lottie2gif [Lottie file] or [Lottie folder] [-r resolution] [-f fps] [-b background color]\n\nExamples: \n $ lottie2gif input.json\n $ lottie2gif input.json -r 600x600\n $ lottie2gif input.json -f 30\n $ lottie2gif input.json -r 600x600 -f 30\n $ lottie2gif lottiefolder\n $ lottie2gif lottiefolder -r 600x600 -f 30 -b fa7410\n\n";
} }
bool validate(string& lottieName) bool validate(string& lottieName)
@ -78,6 +79,17 @@ private:
picture->size(width * scale, height * scale); picture->size(width * scale, height * scale);
auto saver = Saver::gen(); auto saver = Saver::gen();
//set a background color
auto r = (uint8_t)((bgColor & 0xff0000) >> 16);
auto g = (uint8_t)((bgColor & 0x00ff00) >> 8);
auto b = (uint8_t)((bgColor & 0x0000ff));
auto bg = tvg::Shape::gen();
bg->fill(r, g, b, 255);
bg->appendRect(0, 0, width * scale, height * scale);
saver->background(std::move(bg));
if (saver->save(std::move(animation), out, 100, fps) != Result::Success) return false; if (saver->save(std::move(animation), out, 100, fps) != Result::Success) return false;
if (saver->sync() != Result::Success) return false; if (saver->sync() != Result::Success) return false;
@ -216,6 +228,13 @@ public:
return 1; return 1;
} }
fps = atoi(p_arg); fps = atoi(p_arg);
} else if (p[1] == 'b') {
//background color
if (!p_arg) {
cout << "Error: Missing background color attribute. Expected eg. -b fa7410." << endl;
return 1;
}
bgColor = (uint32_t) strtol(p_arg, NULL, 16);
} else { } else {
cout << "Warning: Unknown flag (" << p << ")." << endl; cout << "Warning: Unknown flag (" << p << ")." << endl;
} }