private Color[] ReadBack(RenderTexture renderTexture) { Color[] inputs = VFXToolboxUtility.ReadBack(renderTexture); Color[] outputs = new Color[inputs.Length]; for (int j = 0; j < inputs.Length; j++) { if (QualitySettings.activeColorSpace == ColorSpace.Gamma) { outputs[j] = inputs[j]; } else { if ((!m_CurrentAsset.exportSettings.sRGB) || m_CurrentAsset.exportSettings.highDynamicRange) { outputs[j] = inputs[j]; } else { outputs[j] = inputs[j].gamma; } } } return(outputs); }
private void FindProperValues(float threshold, ref SerializedProperty top, ref SerializedProperty bottom, ref SerializedProperty left, ref SerializedProperty right) { int width = InputSequence.width; int height = InputSequence.height; int minX = width; int maxX = 0; int minY = height; int maxY = 0; Color[] colors; RenderTexture tempRT = RenderTexture.GetTemporary(width, height, 0, RenderTextureFormat.ARGBHalf, RenderTextureReadWrite.Linear); for (int i = 0; i < InputSequence.frames.Count; i++) { ProcessingFrame f = InputSequence.frames[i]; VFXToolboxGUIUtility.DisplayProgressBar("Crop processor", "Evaluating closest bound (Frame #" + i + " on " + InputSequence.frames.Count + "...)", (float)i / InputSequence.frames.Count); if (InputSequence.processor != null) { f.Process(); colors = VFXToolboxUtility.ReadBack(f.texture as RenderTexture); } else { Graphics.Blit(f.texture, tempRT); colors = VFXToolboxUtility.ReadBack(tempRT); } // Check frame for (int j = 0; j < colors.Length; j++) { int x = j % width; int y = j / width; if (colors[j].a >= threshold) { minX = Mathf.Min(minX, x); maxX = Mathf.Max(maxX, x); minY = Mathf.Min(minY, y); maxY = Mathf.Max(maxY, y); } } } VFXToolboxGUIUtility.ClearProgressBar(); bottom.intValue = minY; top.intValue = height - maxY - 1; left.intValue = minX; right.intValue = width - maxX - 1; RenderTexture.ReleaseTemporary(tempRT); }
public override bool OnInspectorGUI(bool changed, SerializedObject serializedObject) { var bgColor = serializedObject.FindProperty("BackgroundColor"); EditorGUI.BeginChangeCheck(); using (new GUILayout.HorizontalScope()) { EditorGUILayout.PropertyField(bgColor, VFXToolboxGUIUtility.Get("Background Color")); if (GUILayout.Button(VFXToolboxGUIUtility.Get("Grab"), GUILayout.Width(40))) { if (inputSequenceLength > 0) { var texture = RequestInputTexture(0); Color background; if (texture is RenderTexture) { background = VFXToolboxUtility.ReadBack((RenderTexture)texture)[0]; } else { Texture2D inputFrame = (Texture2D)texture; RenderTexture rt = RenderTexture.GetTemporary(inputFrame.width, inputFrame.height, 0, RenderTextureFormat.ARGBHalf, RenderTextureReadWrite.Linear); Graphics.Blit(inputFrame, rt); background = VFXToolboxUtility.ReadBack(rt)[0]; RenderTexture.ReleaseTemporary(rt); } if (QualitySettings.activeColorSpace == ColorSpace.Linear) { background = background.gamma; } bgColor.colorValue = background; } } } if (EditorGUI.EndChangeCheck()) { UpdateOutputSize(); Invalidate(); changed = true; } GUILayout.Space(20); EditorGUILayout.HelpBox("Please select a color corresponding to the solid background of the flipbook to try to reconstruct the pixel's color. \n\nThis filter will only work if your flipbook was rendered on a solid color background. Try the Grab button to fetch the upper left pixel of the first frame, or use the color picker.", MessageType.Info); return(changed); }
private Color[] ReadBack(RenderTexture renderTexture) { Color[] inputs = VFXToolboxUtility.ReadBack(renderTexture); if (QualitySettings.activeColorSpace == ColorSpace.Linear && m_CurrentAsset.exportSettings.sRGB) { Color[] outputs = new Color[inputs.Length]; for (int j = 0; j < inputs.Length; j++) { outputs[j] = inputs[j].gamma; } return(outputs); } return(inputs); }