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Change DZI to encode tiles to WebP

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This commit is contained in:
David Vogel 2024-01-15 21:27:44 +01:00
parent 8057b14d8e
commit 860b724bd0
1 changed files with 5 additions and 5 deletions
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10
bin/stitch/dzi.go
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@ -1,4 +1,4 @@
// Copyright (c) 2023 David Vogel // Copyright (c) 2023-2024 David Vogel
// //
// This software is released under the MIT License. // This software is released under the MIT License.
// https://opensource.org/licenses/MIT // https://opensource.org/licenses/MIT
@ -35,7 +35,7 @@ func NewDZI(stitchedImage *StitchedImage, dziTileSize, dziOverlap int) DZI {
dzi := DZI{ dzi := DZI{
stitchedImage: stitchedImage, stitchedImage: stitchedImage,
fileExtension: ".png", fileExtension: ".webp",
overlap: dziOverlap, overlap: dziOverlap,
tileSize: dziTileSize, tileSize: dziTileSize,
@ -82,7 +82,7 @@ func (d DZI) ExportDZIDescriptor(outputPath string) error {
} }
dziDescriptor.Image.XMLNS = "http://schemas.microsoft.com/deepzoom/2008" dziDescriptor.Image.XMLNS = "http://schemas.microsoft.com/deepzoom/2008"
dziDescriptor.Image.Format = "png" dziDescriptor.Image.Format = "webp"
dziDescriptor.Image.Overlap = strconv.Itoa(d.overlap) dziDescriptor.Image.Overlap = strconv.Itoa(d.overlap)
dziDescriptor.Image.TileSize = strconv.Itoa(d.tileSize) dziDescriptor.Image.TileSize = strconv.Itoa(d.tileSize)
dziDescriptor.Image.Size.Width = strconv.Itoa(d.stitchedImage.bounds.Dx()) dziDescriptor.Image.Size.Width = strconv.Itoa(d.stitchedImage.bounds.Dx())
@ -121,8 +121,8 @@ func (d DZI) ExportDZITiles(outputDir string) error {
rect = rect.Inset(-d.overlap) rect = rect.Inset(-d.overlap)
img := stitchedImage.SubStitchedImage(rect) img := stitchedImage.SubStitchedImage(rect)
filePath := filepath.Join(levelBasePath, fmt.Sprintf("%d_%d%s", iX, iY, d.fileExtension)) filePath := filepath.Join(levelBasePath, fmt.Sprintf("%d_%d%s", iX, iY, d.fileExtension))
if err := exportPNGSilent(img, filePath); err != nil { if err := exportWebPSilent(img, filePath); err != nil {
return fmt.Errorf("failed to export PNG: %w", err) return fmt.Errorf("failed to export WebP: %w", err)
} }
scaleDivider := 2 scaleDivider := 2