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This commit is contained in:
Ryan Oldenburg 2021-04-27 00:48:04 -05:00
parent 512e49e6e7
commit 566636c99e
1 changed files with 3 additions and 3 deletions
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6
src/pixie/fonts.nim
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@ -49,14 +49,14 @@ proc defaultLineHeight*(font: Font): float32 =
round((font.ascent + abs(font.descent) + font.lineGap) * font.scale) round((font.ascent + abs(font.descent) + font.lineGap) * font.scale)
proc getGlyphPath*(font: Font, rune: Rune): Path = proc getGlyphPath*(font: Font, rune: Rune): Path =
## The glyph path for the parameter rune. ## The glyph path for the rune.
if rune notin font.glyphPaths: if rune notin font.glyphPaths:
font.glyphPaths[rune] = font.opentype.parseGlyph(rune) font.glyphPaths[rune] = font.opentype.parseGlyph(rune)
font.glyphPaths[rune].transform(scale(vec2(1, -1))) font.glyphPaths[rune].transform(scale(vec2(1, -1)))
font.glyphPaths[rune] font.glyphPaths[rune]
proc getGlyphAdvance*(font: Font, rune: Rune): float32 = proc getGlyphAdvance*(font: Font, rune: Rune): float32 =
## The advance for the parameter rune in pixels. ## The advance for the rune in pixels.
let glyphId = font.opentype.getGlyphId(rune).int let glyphId = font.opentype.getGlyphId(rune).int
if glyphId < font.opentype.hmtx.hMetrics.len: if glyphId < font.opentype.hmtx.hMetrics.len:
result = font.opentype.hmtx.hMetrics[glyphId].advanceWidth.float32 result = font.opentype.hmtx.hMetrics[glyphId].advanceWidth.float32
@ -65,7 +65,7 @@ proc getGlyphAdvance*(font: Font, rune: Rune): float32 =
result *= font.scale result *= font.scale
proc getKerningAdjustment*(font: Font, left, right: Rune): float32 = proc getKerningAdjustment*(font: Font, left, right: Rune): float32 =
## The kerning adjustment for the parameter rune pair, in pixels. ## The kerning adjustment for the rune pair, in pixels.
let pair = (left, right) let pair = (left, right)
if pair in font.kerningPairs: if pair in font.kerningPairs:
result = font.kerningPairs[pair] result = font.kerningPairs[pair]