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shirne / buffer_image

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README.md

BufferImage

pub package

A library for modify and display rgba format image data.

preview

demo code:

// create ImageProvider
BufferImage bufferImage = BufferImage(100, 100);
for (int i = 0; i < 100; i++) {
    for (int j = 0; j < 100; j++) {
    bufferImage.setColor(
        i, j, Colors.primaries[(i * 100 + j) % Colors.primaries.length]);
    }
}
image = RgbaImage.fromBufferImage(bufferImage, scale: 1);
bufferImage.resize(2);
scaleImage = RgbaImage.fromBufferImage(bufferImage, scale: 1);


// display Image
Center(
    child: Column(
        mainAxisAlignment: MainAxisAlignment.spaceAround,
        children: <Widget>[
        Image(
            image: image,
        ),
        Image(
            image: scaleImage,
        ),
        ],
    ),
)

Preview

Features

  • BufferImage for edit the pixel image
  • ImageProvider for display in Image Widget
  • Scale the image (Nearest sample mode and Bilinear sample mode is available)
  • Color/Image mask with a blend mode
  • Rotate
  • drawRect drawImage
  • clipPath drawPath
  • GrayImage
  • ImageProvider optimize
  • any more...

Flutter

This project is a starting point for a Dart package, a library module containing code that can be shared easily across multiple Flutter or Dart projects.

For help getting started with Flutter, view our online documentation, which offers tutorials, samples, guidance on mobile development, and a full API reference.

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用于编辑及显示原始像素格式(rgba)图片的Dart库. expand collapse
Dart and 6 more languages
Apache-2.0
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