96 lines
3.4 KiB
Go
96 lines
3.4 KiB
Go
package bilds
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import (
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"fmt"
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"image"
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"github.com/anthonynsimon/bild/blend"
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"github.com/spf13/cobra"
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)
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func buildBlendModeCommand(name string) *cobra.Command {
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var strength float64
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var cmd = &cobra.Command{
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Use: name,
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Args: cobra.ExactArgs(3),
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Example: fmt.Sprintf("%s --strength 0.5 input1.jpg input2.jpg output.jpg", name),
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Run: func(cmd *cobra.Command, args []string) {
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fin1 := args[0]
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fin2 := args[1]
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fout := args[2]
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apply2(fin1, fin2, fout, func(img1, img2 image.Image) (image.Image, error) {
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switch name {
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case "add":
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return blend.Opacity(img1, blend.Add(img1, img2), strength), nil
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case "colorburn":
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return blend.Opacity(img1, blend.ColorBurn(img1, img2), strength), nil
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case "colordodge":
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return blend.Opacity(img1, blend.ColorDodge(img1, img2), strength), nil
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case "darken":
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return blend.Opacity(img1, blend.Darken(img1, img2), strength), nil
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case "difference":
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return blend.Opacity(img1, blend.Difference(img1, img2), strength), nil
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case "divide":
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return blend.Opacity(img1, blend.Divide(img1, img2), strength), nil
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case "exclusion":
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return blend.Opacity(img1, blend.Exclusion(img1, img2), strength), nil
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case "lighten":
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return blend.Opacity(img1, blend.Lighten(img1, img2), strength), nil
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case "linearburn":
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return blend.Opacity(img1, blend.LinearBurn(img1, img2), strength), nil
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case "linearLight":
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return blend.Opacity(img1, blend.LinearLight(img1, img2), strength), nil
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case "multiply":
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return blend.Opacity(img1, blend.Multiply(img1, img2), strength), nil
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case "normal":
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return blend.Opacity(img1, blend.Normal(img1, img2), strength), nil
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case "opacity":
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return blend.Opacity(img1, img2, strength), nil
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case "overlay":
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return blend.Opacity(img1, blend.Overlay(img1, img2), strength), nil
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case "screen":
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return blend.Opacity(img1, blend.Screen(img1, img2), strength), nil
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case "softlight":
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return blend.Opacity(img1, blend.SoftLight(img1, img2), strength), nil
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case "subtract":
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return blend.Opacity(img1, blend.Subtract(img1, img2), strength), nil
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}
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return blend.Opacity(img1, blend.Add(img1, img2), strength), nil
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})
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},
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}
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cmd.Flags().Float64VarP(&strength, "strength", "s", 1.0, "blend mode strength")
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return cmd
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}
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func createBlend() *cobra.Command {
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blendCmd := &cobra.Command{
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Use: "blend",
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Short: "blend two images together",
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}
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blendCmd.AddCommand(buildBlendModeCommand("add"))
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blendCmd.AddCommand(buildBlendModeCommand("colorburn"))
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blendCmd.AddCommand(buildBlendModeCommand("colordodge"))
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blendCmd.AddCommand(buildBlendModeCommand("darken"))
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blendCmd.AddCommand(buildBlendModeCommand("difference"))
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blendCmd.AddCommand(buildBlendModeCommand("divide"))
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blendCmd.AddCommand(buildBlendModeCommand("exclusion"))
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blendCmd.AddCommand(buildBlendModeCommand("lighten"))
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blendCmd.AddCommand(buildBlendModeCommand("linearburn"))
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blendCmd.AddCommand(buildBlendModeCommand("linearLight"))
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blendCmd.AddCommand(buildBlendModeCommand("multiply"))
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blendCmd.AddCommand(buildBlendModeCommand("normal"))
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blendCmd.AddCommand(buildBlendModeCommand("opacity"))
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blendCmd.AddCommand(buildBlendModeCommand("overlay"))
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blendCmd.AddCommand(buildBlendModeCommand("screen"))
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blendCmd.AddCommand(buildBlendModeCommand("softlight"))
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blendCmd.AddCommand(buildBlendModeCommand("subtract"))
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return blendCmd
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}
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