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)
	CreateFontPath(path string, size int) (Font, error)
	CreateTexture(m ImageSource) (Texture, error)
	CreateTextureGo(m image.Image, source bool) (Texture, error)
	CreateTexturePath(path string, source bool) (Texture, error)
	CreateTextureTarget(w, h float32) (Texture, error)
	DefaultTarget() Texture
	DrawTexture(t Texture, p geom.RectangleF32)
	DrawTextureOptions(t Texture, p geom.RectangleF32, opts DrawOptions)
	DrawTexturePoint(t Texture, p geom.PointF32)
	DrawTexturePointOptions(t Texture, p geom.PointF32, opts DrawOptions)
	FillRectangle(r geom.RectangleF32, c color.Color)
	Rectangle(r geom.RectangleF32, c color.Color, thickness float32)
	RenderTo(Texture)
	RenderToDisplay()
	SetMouseCursor(c MouseCursor)
	Size() geom.PointF32
	Target() Texture
	Text(font Font, p geom.PointF32, color color.Color, text string)
	TextAlign(font Font, p geom.PointF32, color color.Color, text string, align HorizontalAlignment)

	// Resources
	Resources() Resources
	SetResourceProvider(factory func() Resources)
}