buffer_image 0.0.1

A library for modify and display rgba format image data.

buffer_image

用于编辑及显示原始像素格式(rgba)图片的库.

效果预览

完整代码参考example

// 生成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);


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

功能

• ✅ 处理原始图像格式的类(像素设置，图片缩放)
• ✅ 处理图片显示的provider
• ✅ 图片缩放的插值算法 (实现了邻近算法和二次插值)
• ✅ 颜色，帖图混合模式
• ✅ 旋转图像(还需要增加抗锯齿算法)
• ❌ 更多图像编辑方法

Flutter

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