[gnome-photos/wip/rishi/buffer-decoder: 15/16] jpeg

[Debarshi Ray <debarshir src gnome org>]

commit e1290bb492a330a4f5a1ba4b9118a47373a4197d
Author: Debarshi Ray <debarshir gnome org>
Date:   Fri Sep 7 07:58:52 2018 +0200

    jpeg

 src/photos-gegl-buffer-codec-jpeg.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)
---
diff --git a/src/photos-gegl-buffer-codec-jpeg.c b/src/photos-gegl-buffer-codec-jpeg.c
index 24f1ab0b..8e9b83d1 100644
--- a/src/photos-gegl-buffer-codec-jpeg.c
+++ b/src/photos-gegl-buffer-codec-jpeg.c
@@ -604,6 +604,8 @@ photos_gegl_buffer_codec_jpeg_load_increment (PhotosGeglBufferCodec *codec,
           JDIMENSION height;
           JDIMENSION width;
           g_autofree JOCTET *icc_profile = NULL;
+          gdouble target_height;
+          gdouble target_width;
           gint format_components;
           gint rc;
           guint icc_profile_len;
@@ -628,8 +630,8 @@ photos_gegl_buffer_codec_jpeg_load_increment (PhotosGeglBufferCodec *codec,
           g_signal_emit_by_name (self, "size-prepared", (guint) width, (guint) height);
           self->can_set_size = FALSE;
 
-          height = photos_gegl_buffer_codec_get_height (PHOTOS_GEGL_BUFFER_CODEC (self));
-          width = photos_gegl_buffer_codec_get_width (PHOTOS_GEGL_BUFFER_CODEC (self));
+          target_height = photos_gegl_buffer_codec_get_height (PHOTOS_GEGL_BUFFER_CODEC (self));
+          target_width = photos_gegl_buffer_codec_get_width (PHOTOS_GEGL_BUFFER_CODEC (self));
           if (height == 0 || width == 0)
             {
               g_set_error_literal (error, PHOTOS_ERROR, 0, _("Transformed JPEG has zero width or height"));
@@ -637,6 +639,9 @@ photos_gegl_buffer_codec_jpeg_load_increment (PhotosGeglBufferCodec *codec,
               goto out;
             }
 
+          g_message ("original size: %u, %u", (guint) self->cinfo.image_height, (guint) 
self->cinfo.image_width);
+          g_message ("scaled size: %u, %u", (guint) height, (guint) width);
+
           self->cinfo.scale_num = 1;
           for (self->cinfo.scale_denom = 2; self->cinfo.scale_denom <= 8; self->cinfo.scale_denom *= 2)
             {
@@ -691,6 +696,7 @@ photos_gegl_buffer_codec_jpeg_load_increment (PhotosGeglBufferCodec *codec,
 
               self->zoom_from_mipmap_x = (gdouble) width / (gdouble) self->cinfo.output_width;
               self->zoom_from_mipmap_y = (gdouble) height / (gdouble) self->cinfo.output_height;
+              g_message ("zoom_from_mipmap: %f, %f", self->zoom_from_mipmap_x, self->zoom_from_mipmap_y);
 
               self->mipmap_height_needed_for_zoom = (gint) ((gdouble) self->tile_height
                                                             * (gdouble) self->cinfo.output_height