[gimp] Plug-ins: Add "Use Sharp YUV" for webp export

[Jehan <jehanp src gnome org>]

commit df402522ef28319e70440e68ee78c00b1f2d0387
Author: Nikc <nikcdc gmail com>
Date:   Fri Apr 22 21:45:53 2022 +0000

    Plug-ins: Add "Use Sharp YUV" for webp export

 plug-ins/file-webp/file-webp-dialog.c | 18 ++++++++++++++++--
 plug-ins/file-webp/file-webp-save.c   | 12 +++++++++---
 plug-ins/file-webp/file-webp.c        |  6 ++++++
 3 files changed, 31 insertions(+), 5 deletions(-)
---
diff --git a/plug-ins/file-webp/file-webp-dialog.c b/plug-ins/file-webp/file-webp-dialog.c
index 867371185f..60a3154a8c 100644
--- a/plug-ins/file-webp/file-webp-dialog.c
+++ b/plug-ins/file-webp/file-webp-dialog.c
@@ -103,6 +103,19 @@ save_dialog (GimpImage     *image,
                                     "quality-frame", "lossless", TRUE,
                                     "quality-options");
 
+  /* Create frame for additional features like Sharp YUV */
+  gimp_procedure_dialog_get_label (GIMP_PROCEDURE_DIALOG (dialog),
+                                   "advanced-title", _("Advanced Options"));
+
+  gimp_procedure_dialog_fill_box (GIMP_PROCEDURE_DIALOG (dialog),
+                                  "advanced-options",
+                                  "use-sharp-yuv",
+                                  NULL);
+
+  gimp_procedure_dialog_fill_frame (GIMP_PROCEDURE_DIALOG (dialog),
+                                    "advanced-frame", "advanced-title", FALSE,
+                                    "advanced-options");
+
   if (animation_supported)
     {
       GtkWidget      *label_kf;
@@ -144,14 +157,15 @@ save_dialog (GimpImage     *image,
 
       /* Fill dialog with containers*/
       gimp_procedure_dialog_fill (GIMP_PROCEDURE_DIALOG (dialog),
-                                  "preset", "quality-frame", "animation-frame",
+                                  "preset", "quality-frame",
+                                  "advanced-frame", "animation-frame",
                                   NULL);
     }
   else
     {
       /* Fill dialog with containers*/
       gimp_procedure_dialog_fill (GIMP_PROCEDURE_DIALOG (dialog),
-                                  "preset", "quality-frame",
+                                  "preset", "quality-frame", "advanced-frame",
                                   NULL);
     }
 
diff --git a/plug-ins/file-webp/file-webp-save.c b/plug-ins/file-webp/file-webp-save.c
index a307264ae9..be240a8fe4 100644
--- a/plug-ins/file-webp/file-webp-save.c
+++ b/plug-ins/file-webp/file-webp-save.c
@@ -156,12 +156,14 @@ save_layer (GFile         *file,
   gboolean          lossless;
   gdouble           quality;
   gdouble           alpha_quality;
+  gboolean          use_sharp_yuv;
 
   g_object_get (config,
                 "preset",        &preset,
                 "lossless",      &lossless,
                 "quality",       &quality,
                 "alpha-quality", &alpha_quality,
+                "use-sharp-yuv", &use_sharp_yuv,
                 NULL);
 
   webp_decide_output (image, config, &profile, &out_linear);
@@ -238,9 +240,10 @@ save_layer (GFile         *file,
        * remaining values */
       WebPConfigPreset (&webp_config, preset, quality);
 
-      webp_config.lossless      = lossless;
-      webp_config.method        = 6;  /* better quality */
-      webp_config.alpha_quality = alpha_quality;
+      webp_config.lossless       = lossless;
+      webp_config.method         = 6;  /* better quality */
+      webp_config.alpha_quality  = alpha_quality;
+      webp_config.use_sharp_yuv  = use_sharp_yuv ? 1 : 0;
 
       /* Prepare the WebP structure */
       WebPPictureInit (&picture);
@@ -532,6 +535,7 @@ save_animation (GFile         *file,
   gdouble                alpha_quality;
   gint                   default_delay;
   gboolean               force_delay;
+  gboolean               use_sharp_yuv;
 
   g_return_val_if_fail (n_drawables > 0, FALSE);
 
@@ -546,6 +550,7 @@ save_animation (GFile         *file,
                 "alpha-quality",      &alpha_quality,
                 "default-delay",      &default_delay,
                 "force-delay",        &force_delay,
+                "use-sharp-yuv",      &use_sharp_yuv,
                 NULL);
 
   layers = gimp_image_list_layers (image);
@@ -704,6 +709,7 @@ save_animation (GFile         *file,
           webp_config.method        = 6;  /* better quality */
           webp_config.alpha_quality = alpha_quality;
           webp_config.exact         = 1;
+          webp_config.use_sharp_yuv = use_sharp_yuv ? 1 : 0;
 
           WebPMemoryWriterInit (&mw);
 
diff --git a/plug-ins/file-webp/file-webp.c b/plug-ins/file-webp/file-webp.c
index 8152f72468..678efecc94 100644
--- a/plug-ins/file-webp/file-webp.c
+++ b/plug-ins/file-webp/file-webp.c
@@ -187,6 +187,12 @@ webp_create_procedure (GimpPlugIn  *plug_in,
                             0, 100, 100,
                             G_PARAM_READWRITE);
 
+      GIMP_PROC_ARG_BOOLEAN (procedure, "use-sharp-yuv",
+                             "Use Sharp YU_V",
+                             "Use sharper (but slower) RGB->YUV conversion",
+                             FALSE,
+                             G_PARAM_READWRITE);
+
       GIMP_PROC_ARG_BOOLEAN (procedure, "animation-loop",
                              _("Loop _forever"),
                              "Loop animation infinitely",