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Update pdfioContentSetDashPattern to support setting solid line styles (Issue #41)

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Michael R Sweet
2023-10-06 15:47:27 -04:00
parent b0e4646f9d
commit 19c45871fa
5 changed files with 52 additions and 18 deletions
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12
pdfio-content.c
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@@ -1,7 +1,7 @@
//
// Content helper functions for PDFio.
//
// Copyright © 2021 by Michael R Sweet.
// Copyright © 2021-2023 by Michael R Sweet.
//
// Licensed under Apache License v2.0. See the file "LICENSE" for more
// information.
@@ -670,6 +670,9 @@ pdfioContentSave(pdfio_stream_t *st) // I - Stream
//
// 'pdfioContentSetDashPattern()' - Set the stroke pattern.
//
// This function sets the stroke pattern when drawing lines. If "on" and "off"
// are 0, a solid line is drawn.
//
bool // O - `true` on success, `false` on failure
pdfioContentSetDashPattern(
@@ -678,7 +681,12 @@ pdfioContentSetDashPattern(
double on, // I - On length
double off) // I - Off length
{
return (pdfioStreamPrintf(st, "[%g %g] %g d\n", on, off, phase));
if (on <= 0.0 && off <= 0.0)
return (pdfioStreamPrintf(st, "[] %g d\n", phase));
else if (fabs(on - off) < 0.001)
return (pdfioStreamPrintf(st, "[%g] %g d\n", on, phase));
else
return (pdfioStreamPrintf(st, "[%g %g] %g d\n", on, off, phase));
}