// LoadClosestFont loads a Font.
//
// You pass the properties of the ideal font you want to load in the
// FontDescriptor you pass to this function. If the requested font
// is not available on the system, the closest matching font is used.
// This means that, for instance, if you specify a Weight of
// TextWeightUltraHeavy and the heaviest weight available for the
// chosen font family is actually TextWeightBold, that will be used
// instead. The specific details of font matching beyond this
// description are implementation defined. This also means that
// getting a descriptor back out of a Font may return a different
// desriptor.
//
// TODO guarantee that passing *that* back into LoadClosestFont() returns the same font
func LoadClosestFont(desc *FontDescriptor) *Font {
d := C.newFontDescriptor() // both of these are freed by C.newFont()
d.Family = C.CString(desc.Family)
d.Size = C.double(desc.Size)
d.Weight = C.uiDrawTextWeight(desc.Weight)
d.Italic = C.uiDrawTextItalic(desc.Italic)
d.Stretch = C.uiDrawTextStretch(desc.Stretch)
return &Font{
f: C.newFont(d),
}
}
// LoadClosestFont loads a Font.
//
// You pass the properties of the ideal font you want to load in the
// FontDescriptor you pass to this function. If the requested font
// is not available on the system, the closest matching font is used.
// This means that, for instance, if you specify a Weight of
// TextWeightUltraHeavy and the heaviest weight available for the
// chosen font family is actually TextWeightBold, that will be used
// instead. The specific details of font matching beyond this
// description are implementation defined. This also means that
// getting a descriptor back out of a Font may return a different
// desriptor.
//
// TODO guarantee that passing *that* back into LoadClosestFont() returns the same font
func LoadClosestFont(desc *FontDescriptor) *Font {
d := C.newFontDescriptor() // both of these are freed by C.newFont()
d.Family = C.CString(desc.Family)
d.Size = C.double(desc.Size)
d.Weight = C.uiDrawTextWeight(desc.Weight)
d.Italic = C.uiDrawTextItalic(desc.Italic)
d.SmallCaps = frombool(desc.SmallCaps)
d.Stretch = C.uiDrawTextStretch(desc.Stretch)
// d.Gravity = C.uiDrawTextGravity(desc.Gravity)
d.Gravity = C.uiDrawTextGravitySouth
return &Font{
f: C.newFont(d),
}
}
// NewTextLayout creates a new TextLayout.
func NewTextLayout(text string, initialStyle *InitialTextStyle) *TextLayout {
l := new(TextLayout)
ctext := C.CString(text) // all three of these are cleaned up by C.newTextLayout()
is := C.newInitialTextStyle()
is.Family = C.CString(initialStyle.Family)
is.Size = C.double(initialStyle.Size)
is.Weight = C.uiDrawTextWeight(initialStyle.Weight)
is.Italic = C.uiDrawTextItalic(initialStyle.Italic)
is.SmallCaps = frombool(initialStyle.SmallCaps)
is.Stretch = C.uiDrawTextStretch(initialStyle.Stretch)
// is.Gravity = C.uiDrawTextGravity(initialStyle.Gravity)
is.Gravity = C.uiDrawTextGravitySouth
l.l = C.newTextLayout(ctext, is)
return l
}