public static void Process(Bitmap image)
{
var isImageAltered = false;
using (var context = image.CreateUnsafeContext())
{
for (var y = 0; y < context.Height; y++)
{
for (var x = 0; x < context.Width; x++)
{
var color = context.GetPixel(x, y);
var colorError = new ColorError(color);
if (colorError.IsZero)
{
continue;
}
if (!isImageAltered)
{
Logger.Warn(
"Dithering applied for an image. Resource in watch face will use only supported colors. You can't get back original image by unpacking watch face."
);
isImageAltered = true;
}
context.SetPixel(x, y, colorError.NewColor);
if (x + 1 < context.Width)
{
color = context.GetPixel(x + 1, y);
context.SetPixel(x + 1, y, colorError.ApplyError(color, 7, 16));
}
if (y + 1 < context.Height)
{
if (x > 1)
{
color = context.GetPixel(x - 1, y + 1);
context.SetPixel(x - 1, y + 1, colorError.ApplyError(color, 3, 16));
}
color = context.GetPixel(x, y + 1);
context.SetPixel(x, y + 1, colorError.ApplyError(color, 5, 16));
if (x < context.Width - 1)
{
color = context.GetPixel(x + 1, y + 1);
context.SetPixel(x + 1, y + 1, colorError.ApplyError(color, 1, 16));
}
}
}
}
}
}
public static void Process(Bitmap image)
{
var isImageAltered = false;
using (var context = image.CreateUnsafeContext())
{
for (var y = 0; y < context.Height; y++)
{
for (var x = 0; x < context.Width; x++)
{
var color = context.GetPixel(x, y);
var colorError = new ColorError(color);
if (colorError.IsZero)
{
continue;
}
if (!isImageAltered)
{
Logger.Warn(
"应用图像抖动。监视面板中的资源将仅使用支持的颜色。不能通过打开表盘来恢复原始图像。"
);
isImageAltered = true;
}
context.SetPixel(x, y, colorError.NewColor);
if (x + 1 < context.Width)
{
color = context.GetPixel(x + 1, y);
context.SetPixel(x + 1, y, colorError.ApplyError(color, 7, 16));
}
if (y + 1 < context.Height)
{
if (x > 1)
{
color = context.GetPixel(x - 1, y + 1);
context.SetPixel(x - 1, y + 1, colorError.ApplyError(color, 3, 16));
}
color = context.GetPixel(x, y + 1);
context.SetPixel(x, y + 1, colorError.ApplyError(color, 5, 16));
if (x < context.Width - 1)
{
color = context.GetPixel(x + 1, y + 1);
context.SetPixel(x + 1, y + 1, colorError.ApplyError(color, 1, 16));
}
}
}
}
}
}
