From: Colin Clark <colin.clark@cclark.uk>
Date: Wed, 29 Jun 2022 09:05:03 +0000 (+0100)
Subject: Fix #603, 971: lcms2 support broken / images with embedded color profile
X-Git-Tag: gtk2final~3
X-Git-Url: http://geeqie.org/cgi-bin/gitweb.cgi?p=geeqie.git;a=commitdiff_plain;h=1007a04859748380929cbab58dbf9afec6b7164a

Fix #603, 971: lcms2 support broken / images with embedded color profile

https://github.com/BestImageViewer/geeqie/issues/603
https://github.com/BestImageViewer/geeqie/issues/971

The problem occurs when the screen scale factor is != 1
---

diff --git a/src/color-man.c b/src/color-man.c
index 1c8c47a3..dda2e2c7 100644
--- a/src/color-man.c
+++ b/src/color-man.c
@@ -316,6 +316,13 @@ void color_man_correct_region(ColorMan *cm, GdkPixbuf *pixbuf, gint x, gint y, g
 	pix = gdk_pixbuf_get_pixels(pixbuf);
 	rs = gdk_pixbuf_get_rowstride(pixbuf);
 
+	/** @FIXME: x,y expected to be = 0. Maybe this is not the right place for scaling */
+	if (!options->image.use_clutter_renderer)
+		{
+		w = w * scale_factor();
+		h = h * scale_factor();
+		}
+
 	w = MIN(w, pixbuf_width - x);
 	h = MIN(h, pixbuf_height - y);
 
diff --git a/src/ui_fileops.c b/src/ui_fileops.c
index 2c35490d..3e3601ac 100644
--- a/src/ui_fileops.c
+++ b/src/ui_fileops.c
@@ -1163,4 +1163,22 @@ gboolean rmdir_recursive(GFile *file, GCancellable *cancellable, GError **error)
 	return g_file_delete(file, cancellable, error);
 }
 
+/**
+ * @brief Retrieves the internal scale factor that maps from window coordinates to the actual device pixels
+ * @param  -
+ * @returns scale factor
+ * 
+ * 
+ */
+gint scale_factor()
+{
+	LayoutWindow *lw = NULL;
+
+#if GTK_CHECK_VERSION(3, 10, 0)
+	layout_valid(&lw);
+	return gtk_widget_get_scale_factor(lw->window);
+#else
+	return 1;
+#endif
+}
 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */
diff --git a/src/ui_fileops.h b/src/ui_fileops.h
index 0122467b..5d48b45d 100644
--- a/src/ui_fileops.h
+++ b/src/ui_fileops.h
@@ -119,5 +119,7 @@ gboolean md5_get_digest_from_file_utf8(const gchar *path, guchar digest[16]);
 
 gboolean download_web_file(const gchar *text, gboolean minimized, gpointer data);
 gboolean rmdir_recursive(GFile *file, GCancellable *cancellable, GError **error);
+gint scale_factor();
+
 #endif
 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */