diff options
| -rw-r--r-- | drawtext.go | 75 |
1 files changed, 44 insertions, 31 deletions
diff --git a/drawtext.go b/drawtext.go index c04246a..593fbdc 100644 --- a/drawtext.go +++ b/drawtext.go @@ -72,22 +72,26 @@ func (a *Attribute) Family() string { return C.GoString(C.uiAttributeFamily(a.a)) } -//////// TODOTODO - -// uiNewSizeAttribute() creates a new uiAttribute that changes the +// NewSizeAttribute() creates a new Attribute that changes the // size of the text it is applied to, in typographical points. -_UI_EXTERN uiAttribute *uiNewSizeAttribute(double size); +func NewSizeAttribute(size float64) *Attribute { + return &Attribute{ + a: C.uiNewSizeAttribute(C.double(size)), + } +} -// uiAttributeSize() returns the font size stored in a. It is an error to -// call this on a uiAttribute that does not hold a font size. -_UI_EXTERN double uiAttributeSize(const uiAttribute *a); +// Size returns the font size stored in a. It is an error to +// call this on a Attribute that does not hold a font size. +func (a *Attribute) Size() float64 { + return float64(C.uiAttributeSize(a.a)) +} -// uiTextWeight represents possible text weights. These roughly +// TextWeight represents possible text weights. These roughly // map to the OS/2 text weight field of TrueType and OpenType // fonts, or to CSS weight numbers. The named constants are // nominal values; the actual values may vary by font and by OS, // though this isn't particularly likely. Any value between -// uiTextWeightMinimum and uiDrawTextWeightMaximum, +// TextWeightMinimum and TextWeightMaximum, // inclusive, is allowed. // // Note that due to restrictions in early versions of Windows, some @@ -95,32 +99,41 @@ _UI_EXTERN double uiAttributeSize(const uiAttribute *a); // separate font families. This is perhaps most notable with // Arial Black. libui does not do this, even on Windows (because the // DirectWrite API libui uses on Windows does not do this); to -// specify Arial Black, use family Arial and weight uiTextWeightBlack. -_UI_ENUM(uiTextWeight) { - uiTextWeightMinimum = 0, - uiTextWeightThin = 100, - uiTextWeightUltraLight = 200, - uiTextWeightLight = 300, - uiTextWeightBook = 350, - uiTextWeightNormal = 400, - uiTextWeightMedium = 500, - uiTextWeightSemiBold = 600, - uiTextWeightBold = 700, - uiTextWeightUltraBold = 800, - uiTextWeightHeavy = 900, - uiTextWeightUltraHeavy = 950, - uiTextWeightMaximum = 1000, -}; +// specify Arial Black, use family Arial and weight TextWeightBlack. +type TextWeight int +const ( + TextWeightMinimum = 0, + TextWeightThin = 100, + TextWeightUltraLight = 200, + TextWeightLight = 300, + TextWeightBook = 350, + TextWeightNormal = 400, + TextWeightMedium = 500, + TextWeightSemiBold = 600, + TextWeightBold = 700, + TextWeightUltraBold = 800, + TextWeightHeavy = 900, + TextWeightUltraHeavy = 950, + TextWeightMaximum = 1000, +) -// uiNewWeightAttribute() creates a new uiAttribute that changes the +// NewWeightAttribute creates a new Attribute that changes the // weight of the text it is applied to. It is an error to specify a weight -// outside the range [uiTextWeightMinimum, -// uiTextWeightMaximum]. -_UI_EXTERN uiAttribute *uiNewWeightAttribute(uiTextWeight weight); +// outside the range [TextWeightMinimum, +// TextWeightMaximum]. +func NewWeightAttribute(weight TextWeight) *Attribute { + return &Attribute{ + a: C.uiNewWeightAttribute(C.uiTextWeight(weight)), + } +} -// uiAttributeWeight() returns the font weight stored in a. It is an error +// Weight returns the font weight stored in a. It is an error // to call this on a uiAttribute that does not hold a font weight. -_UI_EXTERN uiTextWeight uiAttributeWeight(const uiAttribute *a); +func (a *Attribute) Weight() TextWeight { + return TextWeight(C.uiAttributeWeight(a.a)) +} + +////// TODOTODO // uiTextItalic represents possible italic modes for a font. Italic // represents "true" italics where the slanted glyphs have custom |