fb3c4a0107
- Add dithering bool param to GIFRequest (default true) - Parallelize frame rendering with goroutines - Conditional Floyd-Steinberg dithering for speed vs quality tradeoff
64 lines
1.8 KiB
Go
64 lines
1.8 KiB
Go
package api
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import "encoding/json"
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// PNGRequest represents a request to render a character as PNG
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type PNGRequest struct {
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Character json.RawMessage `json:"character"`
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Rotation float64 `json:"rotation"` // degrees, default 0
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Background string `json:"background"` // "transparent" or hex "#RRGGBB"
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Width int `json:"width"` // default 512
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Height int `json:"height"` // default 512
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}
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// GIFRequest represents a request to render a character as animated GIF
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type GIFRequest struct {
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Character json.RawMessage `json:"character"`
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Background string `json:"background"` // hex color "#RRGGBB"
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Frames int `json:"frames"` // default 36 (10° per frame)
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Width int `json:"width"` // default 512
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Height int `json:"height"` // default 512
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Delay int `json:"delay"` // centiseconds between frames, default 5
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Dithering *bool `json:"dithering"` // Floyd-Steinberg dithering, default true
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}
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// ErrorResponse represents an error returned by the API
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type ErrorResponse struct {
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Error string `json:"error"`
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}
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// ApplyDefaults fills in default values for PNGRequest
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func (r *PNGRequest) ApplyDefaults() {
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if r.Width == 0 {
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r.Width = 512
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}
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if r.Height == 0 {
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r.Height = 512
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}
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if r.Background == "" {
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r.Background = "transparent"
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}
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}
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// ApplyDefaults fills in default values for GIFRequest
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func (r *GIFRequest) ApplyDefaults() {
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if r.Width == 0 {
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r.Width = 512
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}
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if r.Height == 0 {
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r.Height = 512
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}
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if r.Frames == 0 {
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r.Frames = 36
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}
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if r.Delay == 0 {
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r.Delay = 5
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}
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if r.Background == "" {
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r.Background = "#FFFFFF"
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}
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if r.Dithering == nil {
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defaultDithering := true
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r.Dithering = &defaultDithering
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}
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}
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