91 lines
2.0 KiB
Go
91 lines
2.0 KiB
Go
package basic
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import "image"
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import "image/color"
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import "git.tebibyte.media/sashakoshka/tomo"
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import "git.tebibyte.media/sashakoshka/tomo/artist"
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// Test is a simple element that can be used as a placeholder.
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type Test struct {
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core Core
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}
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// NewTest creates a new test element.
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func NewTest () (element *Test) {
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element = &Test { }
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element.core = NewCore(element)
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element.core.SetMinimumSize(32, 32)
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return
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}
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func (element *Test) Handle (event tomo.Event) {
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switch event.(type) {
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case tomo.EventResize:
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resizeEvent := event.(tomo.EventResize)
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element.core.AllocateCanvas (
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resizeEvent.Width,
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resizeEvent.Height)
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for y := 0; y < resizeEvent.Height; y ++ {
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for x := 0; x < resizeEvent.Width; x ++ {
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pixel := color.RGBA {
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R: 0x40, G: 0x80, B: 0x90, A: 0xFF,
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}
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element.core.SetRGBA (x, y, pixel)
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}}
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artist.Line (
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element.core, artist.NewUniform(color.White), 1,
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image.Pt(0, 0),
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image.Pt(resizeEvent.Width, resizeEvent.Height))
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artist.Line (
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element.core, artist.NewUniform(color.White), 1,
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image.Pt(0, resizeEvent.Height),
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image.Pt(resizeEvent.Width, 0))
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default:
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}
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return
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}
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func (element *Test) ColorModel () (model color.Model) {
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return color.RGBAModel
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}
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func (element *Test) At (x, y int) (pixel color.Color) {
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pixel = element.core.At(x, y)
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return
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}
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func (element *Test) RGBAAt (x, y int) (pixel color.RGBA) {
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pixel = element.core.RGBAAt(x, y)
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return
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}
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func (element *Test) Bounds () (bounds image.Rectangle) {
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bounds = element.core.Bounds()
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return
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}
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func (element *Test) SetDrawCallback (draw func (region tomo.Image)) {
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element.core.SetDrawCallback(draw)
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}
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func (element *Test) SetMinimumSizeChangeCallback (
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notify func (width, height int),
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) {
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element.core.SetMinimumSizeChangeCallback(notify)
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}
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func (element *Test) Selectable () (selectable bool) {
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return
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}
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func (element *Test) MinimumWidth () (minimum int) {
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minimum = element.core.MinimumWidth()
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return
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}
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func (element *Test) MinimumHeight () (minimum int) {
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minimum = element.core.MinimumHeight()
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return
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}
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