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fix aspect ratio computing

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This commit is contained in:
Celogeek 2024-06-22 11:56:19 +02:00
parent 47205b16be
commit 0c09c85763
Signed by: celogeek
SSH Key Fingerprint: SHA256:njNJLzoLQdbV9PC6ehcruRb0QnEgxABoCYZ+0+aUIYc
1 changed files with 6 additions and 5 deletions
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11
internal/pkg/epub/epub.go
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@ -312,9 +312,10 @@ func (e EPUB) computeAspectRatio(epubParts []epubPart) float64 {
return bestAspectRatio return bestAspectRatio
} }
func (e EPUB) computeViewPort(epubParts []epubPart) { func (e EPUB) computeViewPort(epubParts []epubPart) (int, int) {
if e.Image.View.AspectRatio == -1 { if e.Image.View.AspectRatio == -1 {
return //keep device size //keep device size
return e.Image.View.Width, e.Image.View.Height
} }
// readjusting view port // readjusting view port
@ -325,9 +326,9 @@ func (e EPUB) computeViewPort(epubParts []epubPart) {
viewWidth, viewHeight := int(float64(e.Image.View.Height)/bestAspectRatio), int(float64(e.Image.View.Width)*bestAspectRatio) viewWidth, viewHeight := int(float64(e.Image.View.Height)/bestAspectRatio), int(float64(e.Image.View.Width)*bestAspectRatio)
if viewWidth > e.Image.View.Width { if viewWidth > e.Image.View.Width {
e.Image.View.Height = viewHeight return e.Image.View.Width, viewHeight
} else { } else {
e.Image.View.Width = viewWidth return viewWidth, e.Image.View.Height
} }
} }
@ -445,7 +446,7 @@ func (e EPUB) Write() error {
Json: e.Json, Json: e.Json,
}) })
e.computeViewPort(epubParts) e.Image.View.Width, e.Image.View.Height = e.computeViewPort(epubParts)
for i, part := range epubParts { for i, part := range epubParts {
ext := filepath.Ext(e.Output) ext := filepath.Ext(e.Output)
suffix := "" suffix := ""