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Merge pull request #634 from UglyToad/type-2-font-hflex

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Implement hflex and hflex1 operators in Type2CharStringParser (fix #558)
This commit is contained in:
Eliot Jones
2023-05-28 18:05:48 +01:00
committed by GitHub
parent 5126d28612 5b48011256
commit 6daa2ec192
1 changed files with 30 additions and 6 deletions
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36
src/UglyToad.PdfPig.Fonts/CompactFontFormat/CharStrings/Type2CharStringParser.cs
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@@ -617,10 +617,19 @@ namespace UglyToad.PdfPig.Fonts.CompactFontFormat.CharStrings
{
34, new LazyType2Command("hflex", 7, ctx =>
{
// dx1 dx2 dy2 dx3 dx4 dx5 dx6
// dx1 dx2 dy2 dx3 dx4 dx5 dx6
// Two Bezier curves with an fd of 50
var dx1 = ctx.Stack.PopBottom();
var dx2 = ctx.Stack.PopBottom();
var dy2 = ctx.Stack.PopBottom();
var dx3 = ctx.Stack.PopBottom();
var dx4 = ctx.Stack.PopBottom();
var dx5 = ctx.Stack.PopBottom();
var dx6 = ctx.Stack.PopBottom();
ctx.AddRelativeBezierCurve(dx1, 0, dx2, dy2, dx3, 0);
ctx.AddRelativeBezierCurve(dx4, 0, dx5, -dy2, dx6, 0);
// TODO: implement
ctx.Stack.Clear();
})
},
@@ -645,11 +654,26 @@ namespace UglyToad.PdfPig.Fonts.CompactFontFormat.CharStrings
ctx.Stack.Clear();
})
},
{ 36, new LazyType2Command("hflex1", 9, ctx =>
{
// TODO: implement
ctx.Stack.Clear();
})},
36, new LazyType2Command("hflex1", 9, ctx =>
{
// dx1 dy1 dx2 dy2 dx3 dx4 dx5 dy5 dx6
var dx1 = ctx.Stack.PopBottom();
var dy1 = ctx.Stack.PopBottom();
var dx2 = ctx.Stack.PopBottom();
var dy2 = ctx.Stack.PopBottom();
var dx3 = ctx.Stack.PopBottom();
var dx4 = ctx.Stack.PopBottom();
var dx5 = ctx.Stack.PopBottom();
var dy5 = ctx.Stack.PopBottom();
var dx6 = ctx.Stack.PopBottom();
ctx.AddRelativeBezierCurve(dx1, dy1, dx2, dy2, dx3, 0);
ctx.AddRelativeBezierCurve(dx4, 0, dx5, dy5, dx6, -dy5 -dy2 -dy1);
ctx.Stack.Clear();
})
},
{ 37, new LazyType2Command("flex1", 11, ctx =>
{
// dx1 dy1 dx2 dy2 dx3 dy3 dx4 dy4 dx5 dy5 d6