add viewnior petbuild with hellosiyan/Viewnior#108 and optional exiv2

woof-code/rootfs-petbuilds/viewnior/exiv2.patch

@@ -0,0 +1,119 @@
+diff -rupN Viewnior-viewnior-1.8-orig/meson.build Viewnior-viewnior-1.8/meson.build
+--- Viewnior-viewnior-1.8-orig/meson.build	2023-01-13 14:55:15.952336174 +0200
++++ Viewnior-viewnior-1.8/meson.build	2023-01-13 15:31:30.711763130 +0200
+@@ -28,8 +28,14 @@ viewnior_deps = [
+   dependency('gio-2.0', version: glib_ver),
+   dependency('shared-mime-info', version: '>= 0.20'),
+   dependency('gdk-pixbuf-2.0', version: '>= 0.21'),
+-  dependency('exiv2', version: '>= 0.21'),
+ ]
++
++exiv2 = dependency('exiv2', version: '>= 0.21', required: false)
++if exiv2.found()
++  viewnior_deps += exiv2
++else
++  viewnior_deps += cc.find_library('m')
++endif
+ #
+
+ # Configuration
+@@ -42,6 +48,7 @@ conf.set_quoted('PACKAGE_STRING', 'viewn
+ conf.set_quoted('GETTEXT_PACKAGE', 'viewnior')
+ conf.set_quoted('PACKAGE_DATA_DIR', join_paths(get_option('prefix'), get_option('datadir')))
+ conf.set_quoted('PACKAGE_LOCALE_DIR', join_paths(get_option('prefix'), get_option('datadir'), 'locale'))
++conf.set('HAVE_EXIV2', exiv2.found())
+
+ configure_file(output: 'config.h', configuration: conf)
+ #
+diff -rupN Viewnior-viewnior-1.8-orig/src/meson.build Viewnior-viewnior-1.8/src/meson.build
+--- Viewnior-viewnior-1.8-orig/src/meson.build	2023-01-13 14:55:15.956336191 +0200
++++ Viewnior-viewnior-1.8/src/meson.build	2023-01-13 15:31:30.711763130 +0200
+@@ -17,9 +17,12 @@ viewnior_sources = [
+     'vnr-prefs.c',
+     'vnr-crop.c',
+     'vnr-tools.c',
+-    'uni-exiv2.cpp',
+ ]
+
++if exiv2.found()
++  viewnior_sources += 'uni-exiv2.cpp'
++endif
++
+ marshal = 'uni-marshal'
+
+ viewnior_sources += gnome.genmarshal(
+diff -rupN Viewnior-viewnior-1.8-orig/src/vnr-properties-dialog.c Viewnior-viewnior-1.8/src/vnr-properties-dialog.c
+--- Viewnior-viewnior-1.8-orig/src/vnr-properties-dialog.c	2023-01-13 14:55:15.956336191 +0200
++++ Viewnior-viewnior-1.8/src/vnr-properties-dialog.c	2023-01-13 15:31:30.711763130 +0200
+@@ -27,7 +27,9 @@
+ #include "vnr-properties-dialog.h"
+ #include "vnr-file.h"
+ #include "vnr-tools.h"
++#ifdef HAVE_EXIV2
+ #include "uni-exiv2.hpp"
++#endif
+
+ G_DEFINE_TYPE (VnrPropertiesDialog, vnr_properties_dialog, GTK_TYPE_DIALOG);
+
+@@ -317,6 +319,8 @@ vnr_properties_dialog_clear_metadata(Vnr
+     g_list_free(children);
+ }
+
++#ifdef HAVE_EXIV2
++
+ static void
+ vnr_cb_add_metadata(const char *label, const char *value, void *user_data) {
+     VnrPropertiesDialog *dialog = VNR_PROPERTIES_DIALOG(user_data);
+@@ -344,15 +348,19 @@ vnr_cb_add_metadata(const char *label, c
+     gtk_widget_show(temp_label);
+ }
+
++#endif
++
+ static void
+ vnr_properties_dialog_update_metadata(VnrPropertiesDialog *dialog)
+ {
+     vnr_properties_dialog_clear_metadata(dialog);
+
++#ifdef HAVE_EXIV2
+     uni_read_exiv2_map(
+         VNR_FILE(dialog->vnr_win->file_list->data)->path,
+         vnr_cb_add_metadata,
+         (void*)dialog);
++#endif
+ }
+
+ void
+diff -rupN Viewnior-viewnior-1.8-orig/src/vnr-window.c Viewnior-viewnior-1.8/src/vnr-window.c
+--- Viewnior-viewnior-1.8-orig/src/vnr-window.c	2023-01-13 14:55:15.956336191 +0200
++++ Viewnior-viewnior-1.8/src/vnr-window.c	2023-01-13 15:31:30.711763130 +0200
+@@ -38,7 +38,9 @@
+ #include "vnr-message-area.h"
+ #include "vnr-properties-dialog.h"
+ #include "vnr-crop.h"
++#ifdef HAVE_EXIV2
+ #include "uni-exiv2.hpp"
++#endif
+ #include "uni-utils.h"
+
+ /* Timeout to hide the toolbar in fullscreen mode */
+@@ -961,7 +963,9 @@ save_image_cb (GtkWidget *widget, VnrWin
+         vnr_message_area_hide(VNR_MESSAGE_AREA(window->msg_area));
+
+     /* Store exiv2 metadata to cache, so we can restore it afterwards */
++#ifdef HAVE_EXIV2
+     uni_read_exiv2_to_cache(VNR_FILE(window->file_list->data)->path);
++#endif
+
+     if(g_strcmp0(window->writable_format_name, "jpeg" ) == 0)
+     {
+@@ -989,7 +993,9 @@ save_image_cb (GtkWidget *widget, VnrWin
+                          VNR_FILE(window->file_list->data)->path,
+                          window->writable_format_name, &error, NULL);
+     }
++#ifdef HAVE_EXIV2
+     uni_write_exiv2_from_cache(VNR_FILE(window->file_list->data)->path);
++#endif
+
+     if(!window->cursor_is_hidden)
+         gdk_window_set_cursor(gtk_widget_get_window(GTK_WIDGET(window)), gdk_cursor_new(GDK_LEFT_PTR));