66 lines
1.2 KiB
Go
66 lines
1.2 KiB
Go
package ui
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import (
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"github.com/spf13/afero"
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"opslag.de/schobers/fs/vfs"
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"opslag.de/schobers/zntg/allg5"
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)
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type Fonts interface {
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Register(name, path string, size int) error
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Get(name string) *allg5.Font
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Destroy()
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}
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type fonts struct {
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fts map[string]*allg5.Font
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dir vfs.CopyDir
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}
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func newFonts(dir vfs.CopyDir) *fonts {
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return &fonts{make(map[string]*allg5.Font), dir}
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}
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func NewFonts(fs afero.Fs) (Fonts, error) {
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var dir, err = vfs.NewCopyDir(fs)
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if nil != err {
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return nil, err
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}
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return newFonts(dir), nil
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}
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func (fts *fonts) load(name, path string, size int) error {
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f, err := allg5.LoadTTFFont(path, size)
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if nil != err {
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return err
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}
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fts.fts[name] = f
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return nil
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}
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func (fts *fonts) loadFromBox(name, path string, size int) error {
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path, err := fts.dir.Retrieve(path)
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if nil != err {
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return err
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}
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return fts.load(name, path, size)
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}
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func (fts *fonts) Register(name, path string, size int) error {
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if nil != fts.dir {
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return fts.loadFromBox(name, path, size)
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}
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return fts.load(name, path, size)
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}
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func (fts *fonts) Get(name string) *allg5.Font {
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return fts.fts[name]
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}
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func (fts *fonts) Destroy() {
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for _, f := range fts.fts {
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f.Destroy()
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}
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fts.dir.Destroy()
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}
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