AKP
2e9b8cdfb0
Add `.gitignore` Update `go.mod` Add `go.sum` Add `drawing.go` Add `JetBrainsMono-Bold.ttf` Add `JetBrainsMono-Italic.ttf` Add `JetBrainsMono-Regular.ttf` Add `weathericons-regular-webfont.ttf` Add `imagegen.go` Add `kindle-dashboard.test.png` Add `rttclient.go` Add `wxclient.go` Add `rootpasswordtool.txt`
78 lines
1.7 KiB
Go
78 lines
1.7 KiB
Go
package imagegen
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import (
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"bytes"
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"fmt"
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"github.com/disintegration/imaging"
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"github.com/tdewolff/canvas"
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"github.com/tdewolff/canvas/renderers/rasterizer"
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"image"
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"image/png"
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"strings"
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)
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type Config struct {
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WxLocation string
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MetOfficeDatapointAPIKey string
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TrainsLocation string
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RTTUsername string
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RTTPassword string
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}
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const (
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padding float64 = 20
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imageWidth float64 = 800
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imageHeight float64 = 600
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)
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func Generate(conf *Config) ([]byte, error) {
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// TODO: hardcoded secrets ick
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locStr, wx, err := getWeatherInLocation(conf.MetOfficeDatapointAPIKey, conf.WxLocation)
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if err != nil {
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return nil, err
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}
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trains, err := getNextTrains(conf.RTTUsername, conf.RTTPassword, conf.TrainsLocation)
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if err != nil {
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return nil, err
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}
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fmt.Println(strings.Join(trains, "\n"))
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for _, w := range wx {
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fmt.Printf("%#v\n", w)
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}
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c := canvas.New(imageWidth, imageHeight)
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ctx := canvas.NewContext(c)
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ctx.SetCoordSystem(canvas.CartesianIV)
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ctx.SetFill(canvas.White)
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ctx.DrawPath(0, 0, canvas.Rectangle(imageWidth, imageHeight))
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bottom := drawTitle(ctx, padding)
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bottom, err = drawWeather(ctx, bottom, locStr, wx)
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if err != nil {
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return nil, err
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}
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bottom, err = drawTrains(ctx, bottom, trains)
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if err != nil {
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return nil, err
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}
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//bottom += padding
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//
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//ctx.SetFill(canvas.Red)
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//ctx.DrawPath(1, bottom, canvas.Rectangle(900, 3))
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rasterizer.New(imageWidth, imageHeight, canvas.DPMM(1), canvas.DefaultColorSpace)
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var img image.Image
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img = rasterizer.Draw(c, canvas.DPMM(1), canvas.DefaultColorSpace)
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img = imaging.Rotate270(img)
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buf := new(bytes.Buffer)
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if err := png.Encode(buf, img); err != nil {
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return nil, err
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}
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return buf.Bytes(), nil
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}
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