private IEnumerator CropImage(Texture original, int width, int height)
{
yield return new WaitForEndOfFrame();
float originalWidth = original.width;
float originalHeight = original.height;
float originalAspectRatio = originalWidth / originalHeight;
float targetAspectRatio = (float)width / (float)height;
float scaleFactor;
if (originalAspectRatio >= targetAspectRatio)
{
// Image is wider than frame. Use height to determine scale.
scaleFactor = height / originalHeight;
Debug.Log("[Image Editor]: Image is wider than frame. Scale Factor: " + scaleFactor);
}
else
{
// image is taller than frame. Use width to determine scale
scaleFactor = width / originalWidth;
Debug.Log("[Image Editor]: Image is taller than frame. Scale Factor: " + scaleFactor);
}
int newWidth = Mathf.FloorToInt(originalWidth * scaleFactor * _zoomScale);
int newHeight = Mathf.FloorToInt(originalHeight * scaleFactor * _zoomScale);
RenderTexture rTex = new RenderTexture(newWidth, newHeight, 24, RenderTextureFormat.ARGB32);
Graphics.Blit(original, rTex);
Texture2D newTex = new Texture2D(width, height, TextureFormat.RGB24, false);
RenderTexture.active = rTex;
Vector2 imagePositions = m_Image.rectTransform.localPosition;
float xPos = (newWidth - width) * 0.5f - imagePositions.x;
float yPos = (newHeight - height) * 0.5f + imagePositions.y;
newTex.ReadPixels(new Rect(new Vector2(xPos, yPos), m_Image.rectTransform.rect.size), 0, 0);
//newTex.ReadPixels(new Rect(xPos, yPos, ImageContainer.rect.width, ImageContainer.rect.height), 0, 0);
yield return new WaitForEndOfFrame();
newTex.Apply();
finalTex = newTex;
m_CroppedImage.texture = finalTex;
_data.OnSetImage?.Invoke(finalTex);
UIManager.Inst.RemoveTopModal();
}
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你好,我有这段代码,作物的图像,并在编辑器和Android工作良好,但由于某种原因,在iOS和一些Android设备,它显示了一个错误的位置.有人知道为什么会这样吗?我看到RenderTexture在过去有一些bug,但我不知道到底发生了什么
我尝试了不同形式的ReadPixels与我想要的尺寸,但我没有找到任何的时刻。我希望你能帮我。
1条答案
按热度按时间qij5mzcb1#
解决了。我已经发现了这个问题,当我说提供图形API时,我是对的。感谢Bunny帮助我认识到这一点。我必须验证我使用的图形API
如果你有更干净的东西来验证这一点,请与我分享。
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