/// <summary>
/// Function to load the image to be used a thumbnail.
/// </summary>
/// <param name="thumbnailCodec">The codec for the thumbnail images.</param>
/// <param name="thumbnailFile">The path to the thumbnail file.</param>
/// <param name="content">The content being thumbnailed.</param>
/// <param name="cancelToken">The token used to cancel the operation.</param>
/// <returns>The thumbnail image, and a flag to indicate whether the thumbnail needs conversion.</returns>
private (IGorgonImage thumbnailImage, bool needsConversion) LoadThumbNailImage(IGorgonImageCodec thumbnailCodec, FileInfo thumbnailFile, IContentFile content, CancellationToken cancelToken)
{
IGorgonImage result;
Stream inStream = null;
try
{
// If we've already got the file, then leave.
if (thumbnailFile.Exists)
{
inStream = thumbnailFile.Open(FileMode.Open, FileAccess.Read, FileShare.Read);
result = thumbnailCodec.LoadFromStream(inStream);
return(cancelToken.IsCancellationRequested ? (null, false) : (result, false));
}
inStream = content.OpenRead();
result = _ddsCodec.LoadFromStream(inStream);
return(result, true);
}
catch (Exception ex)
{
CommonServices.Log.Print($"[ERROR] Cannot create thumbnail for '{content.Path}'", LoggingLevel.Intermediate);
CommonServices.Log.LogException(ex);
return(null, false);
}
finally
{
inStream?.Dispose();
}
}
/// <summary>
/// Function to load the common resources at application start up.
/// </summary>
public static void LoadResources()
{
IGorgonImageCodec dds = new GorgonCodecDds();
using (var stream = new MemoryStream(Resources.Bg_Pattern_256x256, false))
{
CheckerBoardPatternImage = dds.LoadFromStream(stream);
}
using (var stream = new MemoryStream(Resources.manual_input_24x24, false))
{
KeyboardIcon = dds.LoadFromStream(stream);
}
using (var stream = new MemoryStream(Resources.manual_vertex_edit_64x64, false))
{
KeyboardIconLarge = dds.LoadFromStream(stream);
}
}
/// <summary>
/// Function to load textures from application resources.
/// </summary>
private static void LoadTextures()
{
// Load standard images from the resource section.
_renderer.TextureCache["UV"] = Resources.UV.ToTexture2D(_graphics,
new GorgonTexture2DLoadOptions
{
Name = "UV"
}).GetShaderResourceView();
_renderer.TextureCache["Earth"] = Resources.earthmap1k.ToTexture2D(_graphics,
new GorgonTexture2DLoadOptions
{
Name = "Earth"
}).GetShaderResourceView();
_renderer.TextureCache["Earth_Specular"] = Resources.earthspec1k.ToTexture2D(_graphics,
new GorgonTexture2DLoadOptions
{
Name = "Earth_Specular"
}).GetShaderResourceView();
_renderer.TextureCache["Clouds"] = Resources.earthcloudmap.ToTexture2D(_graphics,
new GorgonTexture2DLoadOptions
{
Name = "Clouds"
}).GetShaderResourceView();
_renderer.TextureCache["GorgonNormalMap"] = Resources.normalmap.ToTexture2D(_graphics,
new GorgonTexture2DLoadOptions
{
Name = "GorgonNormalMap"
}).GetShaderResourceView();
// The following images are DDS encoded and require an encoder to read them from the resources.
var dds = new GorgonCodecDds();
using (var stream = new MemoryStream(Resources.Rain_Height_NRM))
using (IGorgonImage image = dds.LoadFromStream(stream))
{
_renderer.TextureCache["Water_Normal"] = image.ToTexture2D(_graphics,
new GorgonTexture2DLoadOptions
{
Name = "Water_Normal"
}).GetShaderResourceView();
}
using (var stream = new MemoryStream(Resources.Rain_Height_SPEC))
using (IGorgonImage image = dds.LoadFromStream(stream))
{
_renderer.TextureCache["Water_Specular"] = image.ToTexture2D(_graphics,
new GorgonTexture2DLoadOptions
{
Name = "Water_Specular"
}).GetShaderResourceView();
}
using (var stream = new MemoryStream(Resources.earthbump1k_NRM))
using (IGorgonImage image = dds.LoadFromStream(stream))
{
_renderer.TextureCache["Earth_Normal"] = image.ToTexture2D(_graphics,
new GorgonTexture2DLoadOptions
{
Name = "Earth_Normal"
}).GetShaderResourceView();
}
}