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Render company SVGs to WEBP and PNG.

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This commit is contained in:
Natalia Portillo
2020-05-28 14:26:39 +01:00
parent 70f799de4d
commit 7abc564c88
1 changed files with 80 additions and 7 deletions
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87
Marechai/Helpers/SvgRender.cs
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@@ -1,4 +1,4 @@
/****************************************************************************** /******************************************************************************
// MARECHAI: Master repository of computing history artifacts information // MARECHAI: Master repository of computing history artifacts information
// ---------------------------------------------------------------------------- // ----------------------------------------------------------------------------
// //
@@ -48,7 +48,7 @@ namespace Marechai.Helpers
{ {
SKSvg svg = null; SKSvg svg = null;
string flagname = Path.GetFileNameWithoutExtension(file); string flagName = Path.GetFileNameWithoutExtension(file);
foreach(string format in new[] foreach(string format in new[]
{ {
@@ -82,7 +82,7 @@ namespace Marechai.Helpers
$"{multiplier}x")); $"{multiplier}x"));
string rendered = Path.Combine("wwwroot/assets/flags/countries", format, $"{multiplier}x", string rendered = Path.Combine("wwwroot/assets/flags/countries", format, $"{multiplier}x",
flagname + $".{format}"); flagName + $".{format}");
if(File.Exists(rendered)) if(File.Exists(rendered))
continue; continue;
@@ -106,9 +106,9 @@ namespace Marechai.Helpers
canvas.Flush(); canvas.Flush();
var image = SKImage.FromBitmap(bitmap); var image = SKImage.FromBitmap(bitmap);
SKData data = image.Encode(skFormat, 100); SKData data = image.Encode(skFormat, 100);
var outfs = new FileStream(rendered, FileMode.CreateNew); var outFs = new FileStream(rendered, FileMode.CreateNew);
data.SaveTo(outfs); data.SaveTo(outFs);
outfs.Close(); outFs.Close();
} }
} }
} }
@@ -124,7 +124,7 @@ namespace Marechai.Helpers
{ {
string filename = Path.GetFileNameWithoutExtension(file); string filename = Path.GetFileNameWithoutExtension(file);
if(!filename.StartsWith("company_")) if(!filename.StartsWith("company_", StringComparison.InvariantCulture))
continue; continue;
string[] pieces = filename.Split('_'); string[] pieces = filename.Split('_');
@@ -154,6 +154,79 @@ namespace Marechai.Helpers
continue; continue;
} }
SKSvg svg = null;
foreach(int minSize in new[]
{
256, 32
})
{
foreach(string format in new[]
{
"png", "webp"
})
{
string outDir = minSize == 32 ? Path.Combine("wwwroot/assets/logos/thumbs", format)
: Path.Combine("wwwroot/assets/logos", format);
if(!Directory.Exists(outDir))
Directory.CreateDirectory(outDir);
SKEncodedImageFormat skFormat;
switch(format)
{
case"webp":
skFormat = SKEncodedImageFormat.Webp;
break;
default:
skFormat = SKEncodedImageFormat.Png;
break;
}
foreach(int multiplier in new[]
{
1, 2, 3
})
{
string outPath = Path.Combine(outDir, $"{multiplier}x");
if(!Directory.Exists(outPath))
Directory.CreateDirectory(outPath);
string rendered = Path.Combine(outPath, $"{guid}.{format}");
if(File.Exists(rendered))
continue;
Console.WriteLine("Rendering {0}", rendered);
if(svg == null)
{
svg = new SKSvg();
svg.Load(file);
}
SKRect svgSize = svg.Picture.CullRect;
float svgMax = Math.Max(svgSize.Width, svgSize.Height);
float canvasMin = minSize * multiplier;
float scale = canvasMin / svgMax;
var matrix = SKMatrix.MakeScale(scale, scale);
var bitmap = new SKBitmap((int)(svgSize.Width * scale), (int)(svgSize.Height * scale));
var canvas = new SKCanvas(bitmap);
canvas.DrawPicture(svg.Picture, ref matrix);
canvas.Flush();
var image = SKImage.FromBitmap(bitmap);
SKData data = image.Encode(skFormat, 100);
var outFs = new FileStream(rendered, FileMode.CreateNew);
data.SaveTo(outFs);
outFs.Close();
}
}
}
File.Move(file, $"wwwroot/assets/logos/{guid}.svg"); File.Move(file, $"wwwroot/assets/logos/{guid}.svg");
} }
} }