GIF to TFT_eSPI

The "Compare" Button: Previewing Your GIF Conversions for Perfect TFT_eSPI Output

Before diving into the final conversion process, it's crucial to understand how your settings affect the appearance of your GIF animation. Our GIF to TFT_eSPI converter provides a valuable tool for this purpose: the "Compare" button. This button allows you to preview and compare the original GIF against the processed image, ensuring you achieve the desired results on your TFT display. In this guide, we'll explore what the "Compare" button does and how to use it to make informed decisions before converting your animation.

Why a "Compare" Button is Essential

The process of converting a GIF to a format suitable for TFT_eSPI often involves resizing, color adjustments, and other processing steps. While these processes are necessary, it's essential to have a way to visualize the changes and ensure that the final output aligns with your expectations. Here’s why the "Compare" button is important:

  • Visual Verification: The "Compare" feature enables you to visually compare the original GIF with a representation of the image produced after conversion to RGB565 format. This is important to understand any colour differences that might occur.
  • Settings Adjustment: It provides a visual check to fine-tune your settings including size, color, and transparency settings.
  • Error Reduction: By previewing the processed image, you can identify issues before finalizing your conversion, saving time and reducing the chances of producing an unsatisfactory output.
  • Informed Decisions: You'll get a clearer understanding of how the conversion impacts your animation and make informed decisions based on a direct comparison.

How to Utilize the "Compare" Button

Using the "Compare" button is easy and intuitive:

  1. Upload Your GIF: Begin by uploading your GIF animation into the converter.
  2. Adjust Settings: Set your desired parameters like size, background color, and transparency.
  3. Click the "Compare" Button: Locate the "Compare" button next to your animated frames. When available, click it to see the result of the settings you have made.
  4. View the Comparison: The comparison view will open a dialog window displaying two images:
    • Original Image: The original GIF image as uploaded.
    • Processed Image: A representation of what your image will look like after the settings have been applied and it's been processed for RGB565 format.
  5. Analyze the Results: Carefully check both images side by side, paying attention to size, clarity, and color. If the results don't meet your expectations, go back and adjust the settings accordingly.

What to Look for During Comparison

  • Image Size: Ensure the resized output matches the resolution requirements of your TFT display.
  • Image Quality: The images may have differences because of the conversion to RGB565. It is important to understand the colour loss that can occur due to this transformation.
  • Color Accuracy: Verify the colors are represented accurately, or with your desired outcome.
  • Background Effect: If you’ve used the background color or transparency feature, check how these settings have affected the output.

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