mirror of
https://github.com/Dadido3/noita-mapcap.git
synced 2024-11-18 17:17:31 +00:00
David Vogel
65f7cb4e60
- Use QuickSelect algorithm for median filtering - Use lists of uint8 instead of int for median filtering - Fix GridifyRectangle - Remove HilbertifyRectangle - Add profiling.go - Remove Profile.bat - Add median blend tile-limit flag - Print stitch duration - Reduce StitchedImage cache image height - Reduce StitchedImageCacheGridSize - Improve StitchedImage caching - Improve ImageTile caching - Separate entity and entities - Update stitcher README.md - Add comments
64 lines
1.8 KiB
Go
64 lines
1.8 KiB
Go
// Copyright (c) 2022 David Vogel
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//
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// This software is released under the MIT License.
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// https://opensource.org/licenses/MIT
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package main
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import (
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"encoding/json"
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"image"
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"os"
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"github.com/tdewolff/canvas"
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"github.com/tdewolff/canvas/renderers/rasterizer"
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)
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type Entities []Entity
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func LoadEntities(path string) (Entities, error) {
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file, err := os.Open(path)
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if err != nil {
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return nil, err
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}
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var result Entities
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jsonDec := json.NewDecoder(file)
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if err := jsonDec.Decode(&result); err != nil {
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return nil, err
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}
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return result, nil
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}
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// Draw implements the StitchedImageOverlay interface.
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func (e Entities) Draw(destImage *image.RGBA) {
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destRect := destImage.Bounds()
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// Same as destImage, but top left is translated to (0, 0).
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originImage := destImage.SubImage(destRect).(*image.RGBA)
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originImage.Rect = originImage.Rect.Sub(destRect.Min)
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c := canvas.New(float64(destRect.Dx()), float64(destRect.Dy()))
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ctx := canvas.NewContext(c)
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ctx.SetCoordSystem(canvas.CartesianIV)
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ctx.SetCoordRect(canvas.Rect{X: -float64(destRect.Min.X), Y: -float64(destRect.Min.Y), W: float64(destRect.Dx()), H: float64(destRect.Dy())}, float64(destRect.Dx()), float64(destRect.Dy()))
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// Set drawing style.
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ctx.Style = playerPathDisplayStyle
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for _, entity := range e {
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// Check if entity origin is near or around the current image rectangle.
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entityOrigin := image.Point{int(entity.Transform.X), int(entity.Transform.Y)}
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if entityOrigin.In(destRect.Inset(-512)) {
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entity.Draw(ctx)
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}
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}
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// Theoretically we would need to linearize imgRGBA first, but DefaultColorSpace assumes that the color space is linear already.
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r := rasterizer.FromImage(originImage, canvas.DPMM(1.0), canvas.DefaultColorSpace)
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c.Render(r)
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r.Close() // This just transforms the image's luminance curve back from linear into non linear.
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}
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