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Adding options to manually set text rendering mode and stroke width. … #853

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Adding options to manually set text rendering mode and stroke width. … #853

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28 changes: 13 additions & 15 deletions lib/mixins/text.coffee
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Original file line number Diff line number Diff line change
Expand Up @@ -189,6 +189,9 @@ module.exports =
align = options.align or 'left'
wordSpacing = options.wordSpacing or 0
characterSpacing = options.characterSpacing or 0
characterStrokeWidth = options.characterStrokeWidth or 0
mode = options.mode or 0
textBuildMode = options.textBuildMode or 0

# text alignments
if options.width
Expand Down Expand Up @@ -254,8 +257,6 @@ module.exports =
@stroke()
@restore()

@save()

# oblique (angle in degrees or boolean)
if options.oblique
if typeof options.oblique is 'number'
Expand All @@ -266,26 +267,26 @@ module.exports =
@transform 1, 0, skew, 1, -skew * dy, 0
@transform 1, 0, 0, 1, -x, -y

# flip coordinate system
@transform 1, 0, 0, -1, 0, @page.height
y = @page.height - y - dy

# add current font to page if necessary
@page.fonts[@_font.id] ?= @_font.ref()

# begin the text object
@addContent "BT"
@addContent "BT" if not textBuildMode

# text position
@addContent "1 0 0 1 #{number(x)} #{number(y)} Tm"
@addContent "1 0 0 -1 #{number(x)} #{number(y)} Tm"

# font and font size
@addContent "/#{@_font.id} #{number(@_fontSize)} Tf"

# rendering mode
mode = if options.fill and options.stroke then 2 else if options.stroke then 1 else 0
if not mode
mode = if options.fill and options.stroke then 2 else if options.stroke then 1 else 0
@addContent "#{mode} Tr" if mode

# character stroke width if applicable
@addContent "#{number(characterStrokeWidth)} w" if characterStrokeWidth

# Character spacing
@addContent "#{number(characterSpacing)} Tc" if characterSpacing

Expand Down Expand Up @@ -344,14 +345,14 @@ module.exports =
flush i

# Move the text position and flush just the current character
@addContent "1 0 0 1 #{number(x + pos.xOffset * scale)} #{number(y + pos.yOffset * scale)} Tm"
@addContent "1 0 0 -1 #{number(x + pos.xOffset * scale)} #{number(y + pos.yOffset * scale)} Tm"
flush i + 1

hadOffset = yes
else
# If the last character had an offset, reset the text position
if hadOffset
@addContent "1 0 0 1 #{number(x)} #{number(y)} Tm"
@addContent "1 0 0 -1 #{number(x)} #{number(y)} Tm"
hadOffset = no

# Group segments that don't have any advance adjustments
Expand All @@ -364,7 +365,4 @@ module.exports =
flush i

# end the text object
@addContent "ET"

# restore flipped coordinate system
@restore()
@addContent "ET" if not textBuildMode