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112 lines
2.9 KiB
Go
112 lines
2.9 KiB
Go
package config
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import (
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"github.com/photoprism/photoprism/internal/thumb"
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"github.com/photoprism/photoprism/pkg/clean"
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)
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// JpegSize returns the size limit for automatically converted files in `PIXELS` (720-30000).
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func (c *Config) JpegSize() int {
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if c.options.JpegSize < 720 {
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return 720
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} else if c.options.JpegSize > 30000 {
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return 30000
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}
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return c.options.JpegSize
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}
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// PngSize returns the size limit for automatically converted files in `PIXELS` (720-30000).
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func (c *Config) PngSize() int {
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if c.options.PngSize < 720 {
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return 720
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} else if c.options.PngSize > 30000 {
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return 30000
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}
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return c.options.PngSize
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}
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// JpegQuality returns the jpeg image quality as thumb.Quality (25-100).
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func (c *Config) JpegQuality() thumb.Quality {
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if c.options.JpegQuality < 25 {
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c.options.JpegQuality = thumb.QualityMedium.Int()
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} else if c.options.JpegQuality > 100 {
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c.options.JpegQuality = thumb.QualityMax.Int()
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}
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return thumb.Quality(c.options.JpegQuality)
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}
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// ThumbLibrary returns the name of the image processing library to be used for generating thumbnails.
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func (c *Config) ThumbLibrary() string {
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if c.DisableVips() {
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return thumb.LibImaging
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}
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switch c.options.ThumbLibrary {
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case thumb.LibVips, thumb.LibAuto:
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return thumb.LibVips
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case thumb.LibImaging:
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return thumb.LibImaging
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default:
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c.options.ThumbLibrary = clean.TypeLowerUnderscore(c.options.ThumbLibrary)
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if c.options.ThumbLibrary == "imagine" || c.options.ThumbLibrary == "" {
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c.options.ThumbLibrary = thumb.LibImaging
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return thumb.LibImaging
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} else if c.options.ThumbLibrary == "vips" || c.options.ThumbLibrary == "libvips" {
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c.options.ThumbLibrary = thumb.LibVips
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} else {
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c.options.ThumbLibrary = thumb.LibAuto
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}
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return thumb.LibVips
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}
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}
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// ThumbColor returns the color space for thumbnails.
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func (c *Config) ThumbColor() thumb.ColorSpace {
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return thumb.ParseColor(c.options.ThumbColor, c.ThumbLibrary())
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}
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// ThumbFilter returns the thumbnail resample filter (best to worst: blackman, lanczos, cubic or linear).
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func (c *Config) ThumbFilter() thumb.ResampleFilter {
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return thumb.ParseFilter(c.options.ThumbFilter, c.ThumbLibrary())
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}
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// ThumbUncached checks if on-demand thumbnail rendering is enabled (high memory and cpu usage).
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func (c *Config) ThumbUncached() bool {
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return c.options.ThumbUncached
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}
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// ThumbSizePrecached returns the pre-cached thumbnail size limit in pixels (720-7680).
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func (c *Config) ThumbSizePrecached() int {
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size := c.options.ThumbSize
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if size < 720 {
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size = 720 // Mobile, TV
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} else if size > 7680 {
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size = 7680 // 8K Ultra HD
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}
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return size
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}
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// ThumbSizeUncached returns the on-demand rendering size limit in pixels (720-7680).
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func (c *Config) ThumbSizeUncached() int {
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limit := c.options.ThumbSizeUncached
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if limit < 720 {
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limit = 720 // Mobile, TV
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} else if limit > 7680 {
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limit = 7680 // 8K Ultra HD
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}
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if c.ThumbSizePrecached() > limit {
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limit = c.ThumbSizePrecached()
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}
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return limit
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}
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