zntg/ui/renderer.go

package ui

import (
	"image"
	"image/color"

	"opslag.de/schobers/geom"
)

type Renderer interface {
	// Events
	PushEvents(t EventTarget, wait bool)
	Refresh()

	// Lifetime
	Destroy() error

	// Drawing
	Clear(c color.Color)
	CreateImage(m image.Image) (Image, error)
	CreateImagePath(path string) (Image, error)
	CreateImageSize(w, h float32) (Image, error)
	DefaultTarget() Image
	DrawImage(im Image, p geom.PointF32)
	DrawImageOptions(im Image, p geom.PointF32, opts DrawOptions)
	FillRectangle(r geom.RectangleF32, c color.Color)
	Font(name string) Font
	Rectangle(r geom.RectangleF32, c color.Color, thickness float32)
	RegisterFont(name, path string, size int) error
	RenderTo(Image)
	RenderToDisplay()
	SetMouseCursor(c MouseCursor)
	Size() geom.PointF32
	Target() Image
	Text(p geom.PointF32, font string, color color.Color, text string)
	TextAlign(p geom.PointF32, font string, color color.Color, text string, align HorizontalAlignment)
}