47 lines
1.3 KiB
Go
47 lines
1.3 KiB
Go
package ui
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import (
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"errors"
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"opslag.de/schobers/geom"
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)
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// RendererFactory can be used to inject a new factory for creating renderers.
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type RendererFactory interface {
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New(title string, width, height int, opts NewRendererOptions) (Renderer, error)
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}
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var rendererFactory RendererFactory
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// NewRenderer creates a new renderer based on the registered renderer factory.
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func NewRenderer(title string, width, height int, opts NewRendererOptions) (Renderer, error) {
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if rendererFactory == nil {
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return nil, errors.New("no renderer factory registered")
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}
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renderer, err := rendererFactory.New(title, width, height, opts)
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if err != nil {
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return nil, err
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}
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renderer.SetResourceProvider(DefaultResources())
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return renderer, nil
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}
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// NewRendererDefault creates a new renderer with default options set based on the registered renderer factory.
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func NewRendererDefault(title string, width, height int) (Renderer, error) {
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return NewRenderer(title, width, height, NewRendererOptions{
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Resizable: true,
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})
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}
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// SetRendererFactory sets the new factory that is used to create a new renderer.
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func SetRendererFactory(factory RendererFactory) {
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rendererFactory = factory
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}
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// NewRendererOptions provides options when creating a new renderer.
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type NewRendererOptions struct {
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Location *geom.PointF32
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Resizable bool
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VSync bool
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}
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