How to move a smart object to the center of the canvas

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1

How to move a smart object to the center of the canvas，My current code has no effect： Rectangle bounds = smartObjectLayer.getBounds();
// 计算中心点
int centerX = bounds.getX() + bounds.getWidth() / 2;
int centerY = bounds.getY() + bounds.getHeight() / 2;

        // 计算偏移量
        int offsetX = canvasCenterX - centerX;
        int offsetY = canvasCenterY - centerY;

        // 更新智能对象的位置
        int newX = bounds.getX() + offsetX;
        int newY = bounds.getY() + offsetY;
        smartObjectLayer.setContentsBounds(new Rectangle(newX, newY, bounds.getWidth(), bounds.getHeight()));
        smartObjectLayer.updateModifiedContent();
2

@houdajin

To move a smart object to the center of the canvas in Aspose.PSD for Java, you need to ensure that you are calculating the center of the canvas correctly and then updating the smart object’s position accordingly. Here’s a refined approach based on your current implementation:

  1. Calculate the Center of the Canvas: Ensure you have the dimensions of the canvas to find its center.
  2. Get the Bounds of the Smart Object: Use the getBounds() method to retrieve the current position and size of the smart object.
  3. Calculate the New Position: Determine the new position by adjusting the smart object’s bounds to align with the center of the canvas.

Here’s an example code snippet that demonstrates how to achieve this:

// Assuming canvasWidth and canvasHeight are the dimensions of your canvas
int canvasCenterX = canvasWidth / 2;
int canvasCenterY = canvasHeight / 2;

Rectangle bounds = smartObjectLayer.getBounds();

// Calculate the center of the smart object
int centerX = bounds.getX() + bounds.getWidth() / 2;
int centerY = bounds.getY() + bounds.getHeight() / 2;

// Calculate the offset needed to move the smart object to the center
int offsetX = canvasCenterX - centerX;
int offsetY = canvasCenterY - centerY;

// Update the smart object's position
int newX = bounds.getX() + offsetX;
int newY = bounds.getY() + offsetY;
smartObjectLayer.setContentsBounds(new Rectangle(newX, newY, bounds.getWidth(), bounds.getHeight()));
smartObjectLayer.updateModifiedContent();

Key Points:

  • Ensure that canvasWidth and canvasHeight are defined based on your canvas dimensions.
  • The setContentsBounds method is used to update the position of the smart object.
  • After updating the position, call updateModifiedContent() to apply the changes.

This approach should effectively center your smart object on the canvas. If you encounter any issues, double-check the dimensions and bounds calculations to ensure they are correct.

3

@houdajin please try just ReplaceContents method: SmartObjectLayer | Aspose.PSD for Java API Reference

But if you need to put the image to the specific place, then make the following:

// Create PSD Image with specified dimensions
try (PsdImage img = new PsdImage(500, 500)) {
// Create Regular PSD Layer and update it with Graphic API
Layer regularLayer = img.addRegularLayer();
// Then your code for the placing of the image to this layer.

      // And then just use on the your SmartObject Layer:
       smartLayer.replaceContents(img);
4

Thank you very much for your reply, I will try these methods

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