private IEnumerator EncodeTooltipPNG(bool asClipboard = false)
{
// Set up res change
bool resChanged = ResolutionSetup();
// Set-up scene, turn off unneeded canvases
tooltipCanvas.SetActive(true);
tooltipSetupEvent.Invoke();
// We should only read the screen buffer after rendering is complete
yield return(new WaitForEndOfFrame());
// Destroy existing image
if (texTooltip != null)
{
Destroy(texTooltip);
}
// Read Source Template
float canvasLocalScale = rootCanvas.transform.localScale.x;
Vector2 sourceScreen = tooltipSource.position;
Vector2 sourceSizeScreen = tooltipSource.rect.size * canvasLocalScale;
// Create a texture the size of the screen, RGB24 format
int width = (int)(sourceSizeScreen.x);
int height = (int)(sourceSizeScreen.y);
texTooltip = tooltipTransparent.value ?
new Texture2D(width, height, TextureFormat.ARGB32, false, true) :
new Texture2D(width, height, TextureFormat.ARGB32, false, true);
// Read screen contents into the texture
texTooltip.ReadPixels(new Rect(sourceScreen.x, sourceScreen.y, sourceSizeScreen.x, sourceSizeScreen.y), 0, 0);
texTooltip.Apply();
// fix tooltip transparency
if (tooltipTransparent.value == false)
{
for (int y = 15; y < texTooltip.height - 15; y++)
{
for (int x = 15; x < texTooltip.width - 15; x++)
{
Color color = new Color(texTooltip.GetPixel(x, y).r, texTooltip.GetPixel(x, y).g, texTooltip.GetPixel(x, y).b, 1);
texTooltip.SetPixel(x, y, color);
}
}
texTooltip.Apply();
}
// Return Res
if (resChanged)
{
yield return(new WaitForEndOfFrame());
ResolutionReturn();
}
// Reset Canvases
tooltipCanvas.SetActive(false);
tooltipFinishEvent.Invoke();
// Copy into clipboard and return if stated
if (asClipboard)
{
MemoryStreamToClipboard(texTooltip);
yield break;
}
// Encode texture into PNG
byte[] bytes = texTooltip.EncodeToPNG();
// Get Active KW Data
CustomKeywordData kw = KWData[KWTabIndex.value];
// DETERMINE NAME
string fileName = "tooltip_download";
if (!string.IsNullOrEmpty(kw.label))
{
fileName = "tooltip_" + kw.label;
}
fileName = FixFileName(fileName);
// Platform dependent file saving
#if UNITY_EDITOR
SaveDialog(fileName, bytes);
yield break;
#endif
#if UNITY_STANDALONE
SaveDialog(fileName, bytes);
yield break;
#endif
#if UNITY_WEBGL
DownloadScreenshot(bytes, fileName + ".png");
yield break;
#endif
}