Leo Martínez
Resizing images in Corel Photo Paint X8 is a simple process, but there are a few things to keep in mind to ensure the best results. Firstly, it's important to note that increasing the size of an image by more than 20% can compromise its quality. When you increase the dimensions, the application inserts new pixels, and their colours are based on adjacent pixels, which can result in a pixelated image. There are several methods to resize images, including by percentage, PPI, or pixels. Users can also adjust the horizontal and vertical measurements and resolution. This guide will provide a step-by-step process to resizing images in Corel Photo Paint X8 while maintaining image quality.
| Characteristics | Values |
|---|---|
| Image resizing options | By percentage, PPI, or pixels |
| Recommended resizing option for | Email attachments (percentage), social networking sites (PPI), online blogs (pixels) |
| Image resizing steps | Click on the Image Menu, select Resize, specify your desired value, click OK |
| Other methods | Resampling (from Image menu), adjusting horizontal and vertical measurements and resolution |
| Resampling types | Pixel Resize, Bilinear, Bicubic, Nearest Neighbor, Photorealistic, Illustration |
| Resampling steps | Select Resample from Image menu, activate Anti-alias, Identical Values, and Maintain Original Size checkboxes, enter new values for Resolution Horizontal and/or Vertical |
| Saving resized image | Use Save As option to avoid overwriting the original image |
| Restoring previous image | Click Undo button |
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What You'll Learn
Resizing by percentage
Resizing an image in Corel Photo-Paint X8 can be done in a few simple steps. Firstly, open the image file in the Corel Photo-Paint application. From the menu bar, select 'Image', then 'Resample'. This will open a dialog box that will allow you to resize the image.
To resize by percentage, simply type the desired percentage into the Width or Height box. For example, if you want to increase the width of the image by 20%, you would type '120' into the Width box. This method allows you to change the size of the image proportionally, based on a percentage of the original dimensions.
It is important to note that you should not increase the size of an image by more than about 20% as this will compromise the quality of the image. The image may become blurry or pixelated if it is enlarged too much.
You can also resize the image by print size or by specifying one side. The print size option allows you to input dimensions in inches, centimetres, or millimetres, while the 'Based on One Side' option lets you specify the width or height and the image will be resized proportionally.
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Resizing by PPI
To resize an image by PPI, first, click on the Image Menu and then select Resize. Then, specify your desired PPI value and click OK.
It is important to note that when you increase the image dimensions, the application inserts new pixels between existing pixels, and their colours are based on the colours of adjacent pixels. If you increase the image dimensions significantly, the image may appear stretched and pixelated. Therefore, it is recommended to correct and retouch an image before resizing it to retain the quality in a reduced file size.
Additionally, resizing an image by increasing or decreasing its height and width can be done without changing the resolution. This means that the total amount of pixels in the image will stay the same.
Finally, when saving a resized image, it is recommended to use the "Save As" option to avoid accidental replacement of the original high-quality photo.
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Resizing by pixels
When resizing an image in Corel Photo-Paint X8, it's important to understand how resizing affects image pixels. Pixels have no set physical size, but each pixel represents one sample of a single colour. When an image is resized, the number of pixels in the image may be reduced or increased, which causes the image to be resampled. Resampling changes the file size.
Print resolution is defined as the number of pixels per inch (PPI). A higher print resolution creates smaller printed pixels and therefore a smaller printed image. A lower print resolution creates larger printed pixels and a larger printed image.
The Bilinear method is based on an average of four neighbouring pixels (from a 2 x 2 pixel neighbourhood). The Bicubic method is more sophisticated and uses 16 neighbouring pixels (from a 4 x 4 pixel neighbourhood). This larger neighbourhood provides more information about how the colour is changing in that particular part of the image and therefore can improve the colours in the made-up pixels. The Pixel Resize method copies the colour of the nearest pixel.
The Nearest Neighbour method replaces every pixel with the nearest pixel in the upsampled image, resulting in multiple pixels of the same colour. This method preserves sharp details but can produce jagged edges instead of smooth lines and curves.
When you use the Resize command to increase the image dimensions, additional pixels are interpolated from the information in the existing pixels. Most methods of making up pixels involve interpolating the interpixel gaps produced by stretching the image dimensions. When you use the Resize command to decrease the image dimensions, the pixel colours are averaged together.
The size of an image onscreen depends on the pixel height and width of the image, the zoom level, and your monitor settings. As a result, the size of the image may appear different on your screen and in print.
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Using the Resize command
To use the Resize command in Corel Photo-Paint X8, follow these steps:
First, open your image in Corel Photo-Paint. You can do this by selecting "Get Started" from the Welcome Screen and then clicking "Open Document," or by going to "File > Open."
Once your image is open, you can access the Resize command by going to the Image menu and selecting "Resize" or "Resample." This will open a dialog box that will allow you to adjust the image size.
In the dialog box, you can specify the new size of your image. You can resize by percentage, which is recommended for email attachments, or by pixels, which is ideal for online blogs or journals to ensure sharp and crisp images. You can also resize by PPI (pixels per inch), which is optimal for social networking sites.
When increasing the image dimensions using the Resize command, Corel Photo-Paint will insert new pixels between existing pixels. The colour of these new pixels will be based on the colours of adjacent pixels. It is recommended that you do not increase the size of the image by more than 20% to avoid compromising the quality.
After you have specified the new size, click "OK" to apply the changes. Finally, save your resized image by going to "File > Save" or "File > Save As" if you want to keep a copy of the original file.
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Resampling
There are several resampling methods available in Corel Photo-Paint X8, including the Nearest Neighbour method, the Bilinear method, and the Bicubic method. The Nearest Neighbour method replaces each pixel with the nearest pixel in the upsampled image, resulting in multiple pixels of the same colour. This method preserves sharp details but can produce jagged edges. The Bilinear method calculates the average colour value of four neighbouring pixels in a 2x2 pixel neighbourhood, while the Bicubic method uses a 4x4 pixel neighbourhood, making it more sophisticated.
You can also use the Pixel Resize method, which copies the colour of the nearest pixel, or the Photorealistic method, which uses neural network algorithms to reduce noise and maintain colour. The Illustration method is similar to Photorealistic but is better suited for graphic design images as it creates cartoon-like effects.
When downsampling an image, it is best to do so after colour and tone corrections but before sharpening. Upsampling, on the other hand, increases the file size of an image by adding more pixels. Resampling with fixed resolution allows you to maintain the resolution by adding or removing pixels while changing the file size. Additionally, resampling with variable resolution keeps the physical image size unchanged while altering the pixel size, resulting in a different resolution than the original.
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Frequently asked questions
To resize an image in Corel Photo-Paint X8, follow these steps:
- Open the image by selecting "Get Started" from the Welcome Screen and then clicking "Open Document", or by going to "File > Open".
- From the Image menu, select Resample.
- A dialog box will appear, allowing you to adjust the horizontal and vertical measurements and resolution.
- Click "OK" to apply the changes.
- Save the image by selecting "Save" or "Save As" from the File menu.
There are a few different ways to resize an image in Corel Photo-Paint X8:
- By percentage (recommended for email attachments).
- By PPI (optimal for social networking sites).
- By pixels (best for online blogs or journals).
Yes, it is recommended to not increase the size of the image by more than 20% as it may compromise the quality. Additionally, it is suggested to correct and retouch the image before resizing to retain quality in a reduced file size.
