///// <summary>
///// Outputs a Render texture as a .png file
///// </summary>
///// <param name="path">The path to write to, including filename ending in .exr</param>
///// <param name="sourceRenderTexture">The render texture to export</param>
//public static void WriteRenderTexturePNG(string path, RenderTexture sourceRenderTexture, TextureFormat textureFormat = TextureFormat.RGBA32)
//{
// RenderTexture origTex = RenderTexture.active;
// RenderTexture.active = sourceRenderTexture;
// Texture2D exportTexture = new Texture2D(RenderTexture.active.width, RenderTexture.active.height, textureFormat, false);
// exportTexture.ReadPixels(new Rect(0, 0, RenderTexture.active.width, RenderTexture.active.height), 0, 0);
// exportTexture.Apply();
// byte[] exrBytes = ImageConversion.EncodeToPNG(exportTexture);
// PWCommon4.Utils.WriteAllBytes(path, exrBytes);
// RenderTexture.active = origTex;
//}
/// <summary>
/// Outputs a Render texture to different file formats (default: .exr file)
/// </summary>
/// <param name="path">The path to write to, without the extension. The correct extension will be added according to the chosen imageFileType.</param>
/// <param name="sourceRenderTexture">The render texture to export</param>
/// <param name="imageFileType">Image File Type: EXR, PNG, TGA or JPG</param>
/// <param name="textureFormat">Texture color format for the temporary Texture 2D to read the render texture into for exporting.</param>
/// <returns>The full path to the exported file.</returns>
public static string WriteRenderTexture(string path, RenderTexture sourceRenderTexture, GaiaConstants.ImageFileType imageFileType = GaiaConstants.ImageFileType.Exr, TextureFormat textureFormat = TextureFormat.RGBAFloat, int jpgQuality = 75)
{
RenderTexture origTex = RenderTexture.active;
RenderTexture.active = sourceRenderTexture;
Texture2D exportTexture = new Texture2D(RenderTexture.active.width, RenderTexture.active.height, textureFormat, false);
exportTexture.ReadPixels(new Rect(0, 0, RenderTexture.active.width, RenderTexture.active.height), 0, 0);
exportTexture.Apply();
byte[] fileBytes = new byte[0];
string extension = ".file";
switch (imageFileType)
{
case GaiaConstants.ImageFileType.Exr:
fileBytes = ImageConversion.EncodeToEXR(exportTexture, Texture2D.EXRFlags.CompressZIP);
extension = ".exr";
break;
case GaiaConstants.ImageFileType.Png:
fileBytes = ImageConversion.EncodeToPNG(exportTexture);
extension = ".png";
break;
case GaiaConstants.ImageFileType.Tga:
fileBytes = ImageConversion.EncodeToTGA(exportTexture);
extension = ".tga";
break;
case GaiaConstants.ImageFileType.Jpg:
fileBytes = ImageConversion.EncodeToJPG(exportTexture, jpgQuality);
extension = ".jpg";
break;
}
path += extension;
PWCommon4.Utils.WriteAllBytes(path, fileBytes);
RenderTexture.active = origTex;
return(path);
}
public static byte[] ByteArray(Texture2D texture, PictureExtension extension)
{
if (extension == PictureExtension.EXR)
{
return(ImageConversion.EncodeToEXR(texture));
}
else if (extension == PictureExtension.JPG)
{
return(ImageConversion.EncodeToJPG(texture));
}
else if (extension == PictureExtension.PNG)
{
return(ImageConversion.EncodeToPNG(texture));
}
else if (extension == PictureExtension.TGA)
{
return(ImageConversion.EncodeToTGA(texture));
}
else
{
Debug.LogError("Not possible to encode 'Texture2D' to byte array ... ");
return(null);
}
}
static void ExportToTGA(string path, Texture2D tex)
{
System.IO.File.WriteAllBytes(path, ImageConversion.EncodeToTGA(tex));
}
/// <summary>
/// Takes the actual screen shot when the key is pressed or takeshot is true
/// </summary>
private void LateUpdate()
{
if (Input.GetKeyDown(m_screenShotKey) || m_takeShot)
{
if (m_mainCamera == null)
{
m_mainCamera = GaiaUtils.GetCamera(true);
}
//Pick up and use the actual screen dimensions
if (m_useScreenSize)
{
m_targetWidth = Screen.width;
m_targetHeight = Screen.height;
}
m_refreshAssetDB = true;
RenderTexture rt;
if (m_imageFormat == GaiaConstants.ImageFileType.Exr)
{
rt = new RenderTexture(m_targetWidth, m_targetHeight, 24, DefaultFormat.HDR);
}
else
{
rt = new RenderTexture(m_targetWidth, m_targetHeight, 24, DefaultFormat.LDR);
}
m_mainCamera.targetTexture = rt;
Texture2D screenShot;
if (m_imageFormat == GaiaConstants.ImageFileType.Exr)
{
screenShot = new Texture2D(m_targetWidth, m_targetHeight, TextureFormat.RGBAFloat, false);
}
else
{
screenShot = new Texture2D(m_targetWidth, m_targetHeight, TextureFormat.RGB24, false);
}
bool allowHDR = m_mainCamera.allowHDR;
if (m_imageFormat == GaiaConstants.ImageFileType.Exr)
{
m_mainCamera.allowHDR = true;
}
m_mainCamera.Render();
m_mainCamera.allowHDR = allowHDR;
RenderTexture.active = rt;
screenShot.ReadPixels(new Rect(0, 0, m_targetWidth, m_targetHeight), 0, 0);
m_mainCamera.targetTexture = null;
RenderTexture.active = null; // JC: added to avoid errors
Destroy(rt);
if (m_watermark != null)
{
Gaia.GaiaUtils.MakeTextureReadable(m_watermark);
screenShot = AddWatermark(screenShot, m_watermark);
}
byte[] bytes = null;
switch (m_imageFormat)
{
case GaiaConstants.ImageFileType.Exr:
bytes = ImageConversion.EncodeToEXR(screenShot, Texture2D.EXRFlags.CompressZIP);
break;
case GaiaConstants.ImageFileType.Png:
bytes = ImageConversion.EncodeToPNG(screenShot);
break;
case GaiaConstants.ImageFileType.Tga:
bytes = ImageConversion.EncodeToTGA(screenShot);
break;
case GaiaConstants.ImageFileType.Jpg:
bytes = ImageConversion.EncodeToJPG(screenShot, 100);
break;
}
string filename = ScreenShotName(m_targetWidth, m_targetHeight);
PWCommon4.Utils.WriteAllBytes(filename, bytes);
m_takeShot = false;
Debug.Log(string.Format("Took screenshot to: {0}", filename));
}
}
