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This commit is contained in:
Ryan Oldenburg 2021-04-29 19:05:19 -05:00
parent cfb00b9b18
commit c166183f35
1 changed files with 5 additions and 5 deletions
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10
src/pixie/fonts.nim
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@ -51,35 +51,35 @@ proc lineGap(font: Font): float32 {.inline.} =
if font.opentype != nil: if font.opentype != nil:
result = font.opentype.hhea.lineGap.float32 result = font.opentype.hhea.lineGap.float32
proc getGlyphPath*(font: Font, rune: Rune): Path = proc getGlyphPath*(font: Font, rune: Rune): Path {.inline.} =
## The glyph path for the rune. ## The glyph path for the rune.
if font.opentype != nil: if font.opentype != nil:
font.opentype.getGlyphPath(rune) font.opentype.getGlyphPath(rune)
else: else:
font.svgFont.getGlyphPath(rune) font.svgFont.getGlyphPath(rune)
proc getGlyphAdvance(font: Font, rune: Rune): float32 = proc getGlyphAdvance(font: Font, rune: Rune): float32 {.inline.} =
## The advance for the rune in pixels. ## The advance for the rune in pixels.
if font.opentype != nil: if font.opentype != nil:
font.opentype.getGlyphAdvance(rune) font.opentype.getGlyphAdvance(rune)
else: else:
font.svgFont.getGlyphAdvance(rune) font.svgFont.getGlyphAdvance(rune)
proc getKerningAdjustment(font: Font, left, right: Rune): float32 = proc getKerningAdjustment(font: Font, left, right: Rune): float32 {.inline.} =
## The kerning adjustment for the rune pair, in pixels. ## The kerning adjustment for the rune pair, in pixels.
if font.opentype != nil: if font.opentype != nil:
font.opentype.getKerningAdjustment(left, right) font.opentype.getKerningAdjustment(left, right)
else: else:
font.svgfont.getKerningAdjustment(left, right) font.svgfont.getKerningAdjustment(left, right)
proc scale*(font: Font): float32 = proc scale*(font: Font): float32 {.inline.} =
## The scale factor to transform font units into pixels. ## The scale factor to transform font units into pixels.
if font.opentype != nil: if font.opentype != nil:
font.size / font.opentype.head.unitsPerEm.float32 font.size / font.opentype.head.unitsPerEm.float32
else: else:
font.size / font.svgFont.unitsPerEm font.size / font.svgFont.unitsPerEm
proc defaultLineHeight*(font: Font): float32 = proc defaultLineHeight*(font: Font): float32 {.inline.} =
## The default line height in pixels for the current font size. ## The default line height in pixels for the current font size.
let fontUnits = (font.ascent + abs(font.descent) + font.lineGap) let fontUnits = (font.ascent + abs(font.descent) + font.lineGap)
round(fontUnits * font.scale) round(fontUnits * font.scale)