50 lines
1011 B
Go
50 lines
1011 B
Go
package allg5ui
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import (
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"opslag.de/schobers/allg5"
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"opslag.de/schobers/geom"
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)
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type FontDefinition struct {
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Name string
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Size int
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}
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func NewFontDefinition(name string, size int) FontDefinition {
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return FontDefinition{Name: name, Size: size}
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}
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type font struct {
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*allg5.Font
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}
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func newFont(f *allg5.Font) *font {
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return &font{f}
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}
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func (f *font) Destroy() error {
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f.Font.Destroy()
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return nil
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}
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func (f *font) Height() float32 {
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if f == nil {
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return 0
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}
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return f.Font.Height()
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}
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func (f *font) WidthOf(t string) float32 {
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return f.TextWidth(t)
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}
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func (f *font) Measure(t string) geom.RectangleF32 {
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if f == nil {
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return geom.RectangleF32{}
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}
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// allg5.Font.TextDimentions (previous implementation) seems to return the closest fit rectangle to the drawn text (so depending on the glyphs). allg5.Font.TextWidth is giving the full width (not trimmed) which gives a better result together with allg5.Font.Height.
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w := f.TextWidth(t)
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h := f.Height()
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return geom.RectRelF32(0, 0, w, h)
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}
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