add xmp injection and disable some log messages

engine/asset.cpp

@@ -100,7 +100,7 @@ std::vector<std::string> Asset::list_files(std::string folder, bool is_asset, co
 
 bool Asset::open(const char* path)
 {
-    LOG("Asset::open %s", path);
+    //LOG("Asset::open %s", path);
     m_current_path = path;
     std::string file_path = path;
 #ifdef __ANDROID__
@@ -117,7 +117,7 @@ bool Asset::open(const char* path)
     std::string base = [bundle_path cStringUsingEncoding:1];
     file_path = base + "/" + path;
 #endif
-    LOG("asset file: %s", file_path.c_str());
+    //LOG("asset file: %s", file_path.c_str());
     if (!(m_fp = fopen(file_path.c_str(), "rb")))
     {
         LOG("errno = %d", errno);

engine/canvas.cpp

@@ -832,6 +832,7 @@ void ui::Canvas::export_equirectangular(std::string data_path)
         jpge::params params;
         params.m_quality = 100;
         bool saved = jpge::compress_image_to_jpeg_file(name, m_latlong.getWidth(), m_latlong.getHeight(), 4, latlong_data.get(), params);
+        inject_xmp(name);
         //int ret = stbi_write_png(name, m_latlong.getWidth(), m_latlong.getHeight(), 4, latlong_data.get(), m_latlong.stride());
 #ifdef __IOS__
         image = [UIImage imageWithContentsOfFile:[NSString stringWithUTF8String:name]];
@@ -849,6 +850,54 @@ void ui::Canvas::export_equirectangular(std::string data_path)
     glActiveTexture(GL_TEXTURE0);
 }
 
+void ui::Canvas::inject_xmp(std::string jpg_path)
+{
+    static const char xmp[] = 
+"http://ns.adobe.com/xap/1.0/\0" R"(<?xpacket begin="" id="W5M0MpCehiHzreSzNTczkc9d"?>
+  <x:xmpmeta xmlns:x="adobe:ns:meta/" xmptk="SAMSUNG 360CAM">
+    <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
+      <rdf:Description rdf:about="" xmlns:GPano="http://ns.google.com/photos/1.0/panorama/">
+        <GPano:ProjectionType>equirectangular</GPano:ProjectionType>
+        <GPano:UsePanoramaViewer>True</GPano:UsePanoramaViewer>
+        <GPano:CroppedAreaLeftPixels>0</GPano:CroppedAreaLeftPixels>
+        <GPano:CroppedAreaTopPixels>0</GPano:CroppedAreaTopPixels>
+        <GPano:PoseHeadingDegrees>0</GPano:PoseHeadingDegrees>
+        <GPano:PosePitchDegrees>0</GPano:PosePitchDegrees>
+        <GPano:PoseRollDegrees>0</GPano:PoseRollDegrees>
+        <GPano:StitchingSoftware>PanoPainter</GPano:StitchingSoftware>
+      </rdf:Description>
+    </rdf:RDF>
+  </x:xmpmeta>
+<?xpacket end="r"?>)";
+
+    FILE* fp = fopen(jpg_path.c_str(), "rb");
+    fseek(fp, 0, SEEK_END);
+    long len = ftell(fp);
+    fseek(fp, 0, SEEK_SET);
+    unsigned char* jpeg_data = (unsigned char*)malloc(len);
+    fread(jpeg_data, len, 1, fp);
+    fclose(fp);
+
+    fp = fopen(jpg_path.c_str(), "wb");
+
+    int i = 0;
+    while (i < len && !(jpeg_data[i] == 0xff && jpeg_data[i + 1] == 0xd8)) i++;
+    i += 2;
+
+    unsigned char* xmp_section = (unsigned char*)malloc(sizeof(xmp) + 4);
+    xmp_section[0] = 0xff;
+    xmp_section[1] = 0xe1;
+    xmp_section[2] = ((int)sizeof(xmp) + 2) >> 8;
+    xmp_section[3] = ((int)sizeof(xmp) + 2) >> 0;
+    memcpy(xmp_section + 4, xmp, sizeof(xmp));
+
+    fwrite(jpeg_data, 1, i, fp);
+    fwrite(xmp_section, 1, sizeof(xmp) + 4, fp);
+    fwrite(jpeg_data + i, 1, len - i, fp);
+    fclose(fp);
+
+}
+
 void ui::Canvas::export_anim(std::string data_path)
 {
     // save viewport and clear color states

engine/canvas.h

@@ -122,6 +122,7 @@ public:
     void export_anim(std::string data_path);
     void project_save(std::string data_path);
     void project_open(std::string data_path);
+    void inject_xmp(std::string jpg_path);
     ui::Image thumbnail_generate(int w, int h);
     ui::Image thumbnail_read(std::string data_path);
     void preview_generate();

engine/layout.cpp

@@ -47,7 +47,7 @@ bool LayoutManager::load(const char* path)
             LOG("Layout node without id");
             return false;
         }
-        LOG("Parsing layout: %s", id_str);
+        //LOG("Parsing layout: %s", id_str);
         uint16_t id = const_hash(id_str);
         auto p = m_layouts.find(id);
         if (p == m_layouts.end())

engine/node.cpp

@@ -747,7 +747,7 @@ void Node::parse_attributes(kAttribute ka, const tinyxml2::XMLAttribute* attr)
 void Node::load_internal(const tinyxml2::XMLElement* x_node)
 {
     m_name = x_node->Name();
-    LOG("node %s", m_name.c_str());
+    //LOG("node %s", m_name.c_str());
 
     init();
 

engine/rtt.cpp

@@ -25,13 +25,13 @@ void RTT::destroy()
     {
         unbindTexture();
         glDeleteTextures(1, &texID);
-        LOG("TEX rtt destroy %d", texID)
+        //LOG("TEX rtt destroy %d", texID)
     }
     if (fboID)
     {
         unbindFramebuffer();
         glDeleteFramebuffers(1, &fboID);
-        LOG("RTT DESTROY %d", fboID);
+        //LOG("RTT DESTROY %d", fboID);
     }
     texID = 0;
     fboID = 0;
@@ -51,7 +51,7 @@ bool RTT::create(int width, int height, int tex/* = -1*/)
     if (tex == -1)
     {
         glGenTextures(1, &texID);
-        LOG("TEX rtt create %d", texID);
+        //LOG("TEX rtt create %d", texID);
     }
     else
     {
@@ -78,7 +78,7 @@ bool RTT::create(int width, int height, int tex/* = -1*/)
     // Create a framebuffer object
     glGenFramebuffers(1, &fboID);
     glBindFramebuffer(GL_FRAMEBUFFER, fboID);
-    LOG("RTT CREATE %d - tex %d", fboID, texID);
+    //LOG("RTT CREATE %d - tex %d", fboID, texID);
 
     // Attach the texture to FBO color attachment point
     glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texID, 0);

engine/texture.cpp

@@ -41,7 +41,7 @@ bool Texture2D::create(int width, int height, GLint internal_format, GLint forma
     m_format = format;
     m_iformat = internal_format;
     glGenTextures(1, &m_tex);
-    LOG("TEX create %d", m_tex);
+    //LOG("TEX create %d", m_tex);
     bind();
     glTexImage2D(GL_TEXTURE_2D, 0, internal_format, width, height, 0, format, GL_UNSIGNED_BYTE, data);
     unbind();