private static HDRSkyEditorError ComputeTextureDestinationFromSource(ref Texture2D textureDestination, ref Color[] textureDestinationData, ref Texture2D textureSource, ref Color[] textureSourceData, HDRSkySettings settings)
{
if (textureSource == null)
{
return(HDRSkyEditorError.NoTextureAssigned);
}
if (textureDestinationData == null || textureDestinationData.Length != textureSourceData.Length)
{
textureDestinationData = new Color[textureSourceData.Length];
}
const bool isGenerateMipmapsEnabled = false;
textureDestination = new Texture2D(
textureSource.width,
textureSource.height,
textureSource.format,
isGenerateMipmapsEnabled
);
HDRSkyEditorError error = HDRSkyEditorError.None;
Matrix4x4 chromaticAdaptationMatrix = ComputeVonKriesChromaticAdaptationMatrixFromTemperature(settings.colorTemperatureDestination, settings.colorTemperatureSource);
Vector3 tmpVector;
Color tmpColor;
for (int y = 0, ylen = textureSource.height; y < ylen; ++y)
{
for (int x = 0, xlen = textureSource.width; x < xlen; ++x)
{
int i = y * xlen + x;
tmpVector.x = textureSourceData[i].r;
tmpVector.y = textureSourceData[i].g;
tmpVector.z = textureSourceData[i].b;
tmpVector = chromaticAdaptationMatrix.MultiplyVector(tmpVector);
tmpColor.r = tmpVector.x;
tmpColor.g = tmpVector.y;
tmpColor.b = tmpVector.z;
tmpColor.a = 1.0f;
textureDestinationData[i] = tmpColor;
}
}
if (error != HDRSkyEditorError.None)
{
return(error);
}
textureDestination.SetPixels(textureDestinationData, 0);
textureDestination.Apply(isGenerateMipmapsEnabled);
return(HDRSkyEditorError.None);
}
private void ErrorDisplay()
{
if (error != HDRSkyEditorError.None)
{
EditorGUILayout.HelpBox(hdrSkyEditorErrorDescriptions[(uint)error], MessageType.Info);
}
// Error has been displayed to user.
// Clear error to allow user an opportunity to make changes.
error = HDRSkyEditorError.None;
}
private static HDRSkyEditorError ComputeAndDisplayTextureSource(ref Texture2D textureSource, ref Color[] textureSourceData)
{
HDRSkyEditorError error = HDRSkyEditorError.None;
EditorGUILayout.BeginVertical();
++EditorGUI.indentLevel;
Texture2D textureSourcePrevious = textureSource;
textureSource = (Texture2D)EditorGUILayout.ObjectField((textureSource != null) ? textureSource.name : GUI_TEXTURE_IN_DEFAULT_NAME, textureSource, typeof(Texture2D), true);
if (textureSource != null && textureSource != textureSourcePrevious)
{
// Different texture was assigned. Grab the pixel data for use in resampling.
textureSourceData = textureSource.GetPixels(0, 0, textureSource.width, textureSource.height);
}
--EditorGUI.indentLevel;
EditorGUILayout.EndVertical();
return(error);
}
private bool ErrorCapture(HDRSkyEditorError errorNext)
{
error = (error == HDRSkyEditorError.None) ? errorNext : error;
return(!(error == HDRSkyEditorError.None));
}
