From c5a1692fe40d3442062d4f1b71f94eaa63f9e494 Mon Sep 17 00:00:00 2001
From: James Magahern <james@magahern.com>
Date: Sat, 19 Jan 2019 16:21:12 -0800
Subject: Switch to using gresources for svgs

---
 meson.build                       | 28 +++++++++++++---------------
 resources/buzzsaver.gresource.xml |  9 +++++++++
 src/render.c                      | 38 ++++++++++++++++++++++++++++++++++++--
 3 files changed, 58 insertions(+), 17 deletions(-)
 create mode 100644 resources/buzzsaver.gresource.xml

diff --git a/meson.build b/meson.build
index 4849f05..52804bb 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,7 @@
 project('buzzlocker', 'c')
 
+gnome = import('gnome') # for gresources
+
 sources = [
   'src/main.c',
   'src/render.c',
@@ -10,24 +12,20 @@ dependencies = [
   dependency('x11'),
   dependency('cairo'),
   dependency('librsvg-2.0'),
-  dependency('pangocairo')
+  dependency('pangocairo'),
+  dependency('gio-2.0'),
 ]
 
-executable('buzzlocker',
-  sources: sources,
-  dependencies: dependencies
-)
-
 # Resources
-configure_file(
-  input: 'resources/logo.svg',
-  output: 'logo.svg',
-  copy: true
+resources = gnome.compile_resources(
+  'resources', 
+  'resources/buzzsaver.gresource.xml',
+  source_dir: 'resources',
+  c_name: 'as'
 )
 
-configure_file(
-  input: 'resources/asterisk.svg',
-  output: 'asterisk.svg',
-  copy: true
+executable('buzzlocker',
+  sources: sources + resources,
+  dependencies: dependencies,
+  install: true
 )
-
diff --git a/resources/buzzsaver.gresource.xml b/resources/buzzsaver.gresource.xml
new file mode 100644
index 0000000..7523c4a
--- /dev/null
+++ b/resources/buzzsaver.gresource.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<gresources>
+    <gresource prefix="/">
+        <file>resources/asterisk.svg</file>
+        <file>resources/logo.svg</file>
+</gresource>
+</gresources>
+
+
diff --git a/src/render.c b/src/render.c
index e9a5ef3..1439b08 100644
--- a/src/render.c
+++ b/src/render.c
@@ -5,20 +5,49 @@
  */
 
 #include "render.h"
+#include "resources.h"
+#include <gio/gio.h>
 
 static const double kLogoBackgroundWidth = 500.0;
 
+GBytes* get_data_for_resource(const char *resource_path)
+{
+    GBytes *result = NULL;
+    GError *error = NULL;
+
+    GResource *resource = as_get_resource();
+    result = g_resource_lookup_data(
+        resource,
+        resource_path,
+        G_RESOURCE_LOOKUP_FLAGS_NONE,
+        &error
+    );
+
+    if (error != NULL) {
+        fprintf(stderr, "Error loading resource %s\n", resource_path);
+    }
+
+    return result;
+}
+
 void draw_logo(saver_state_t *state)
 {
     if (state->logo_svg_handle == NULL) {
         GError *error = NULL;
-        state->logo_svg_handle = rsvg_handle_new_from_file("logo.svg", &error);
+        GBytes *bytes = get_data_for_resource("/resources/logo.svg");
+
+        gsize size = 0;
+        gconstpointer data = g_bytes_get_data(bytes, &size);
+        state->logo_svg_handle = rsvg_handle_new_from_data(data, size, &error);
+        g_bytes_unref(bytes);
         if (error != NULL) {
             fprintf(stderr, "Error loading logo SVG\n");
+
             return;
         }
     }
 
+
     cairo_t *cr = state->ctx;
 
     cairo_save(cr);
@@ -68,7 +97,12 @@ void draw_password_field(saver_state_t *state)
     // Draw password asterisks
     if (state->asterisk_svg_handle == NULL) {
         GError *error = NULL;
-        state->asterisk_svg_handle = rsvg_handle_new_from_file("asterisk.svg", &error);
+        GBytes *bytes = get_data_for_resource("/resources/asterisk.svg");
+
+        gsize size = 0;
+        gconstpointer data = g_bytes_get_data(bytes, &size);
+        state->asterisk_svg_handle = rsvg_handle_new_from_data(data, size, &error);
+        g_bytes_unref(bytes);
         if (error != NULL) {
             fprintf(stderr, "Error loading asterisk SVG\n");
             return;
-- 
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