/// <summary>
/// Adds padding of the given color by enlarging the canvas on the sides specified.
/// </summary>
/// <param name="left"></param>
/// <param name="top"></param>
/// <param name="right"></param>
/// <param name="bottom"></param>
/// <param name="color"></param>
/// <returns></returns>
public BuildNode ExpandCanvas(int left, int top, int right, int bottom, AnyColor color)
=> To(new
{
expand_canvas = new
{
left,
top,
right,
bottom,
color = color.ToImageflowDynamic()
}
});
/// <summary>
/// Fills the given rectangle with the specified color
/// </summary>
/// <param name="x1"></param>
/// <param name="y1"></param>
/// <param name="x2"></param>
/// <param name="y2"></param>
/// <param name="color"></param>
/// <returns></returns>
public BuildNode FillRectangle(int x1, int y1, int x2, int y2, AnyColor color)
=> To(new
{
fill_rect = new
{
x1,
y1,
x2,
y2,
color = color.ToImageflowDynamic()
}
});
/// <summary>
/// Region is like a crop command, but you can specify coordinates outside of the image and
/// thereby add padding. It's like a window.
/// You can specify a region as a percentage of the image's width and height.
/// </summary>
/// <param name="x1"></param>
/// <param name="y1"></param>
/// <param name="x2"></param>
/// <param name="y2"></param>
/// <param name="backgroundColor"></param>
/// <returns></returns>
public BuildNode RegionPercent(float x1, float y1, float x2, float y2, AnyColor backgroundColor)
=> To(new
{
region_percent = new
{
x1,
y1,
x2,
y2,
background_color = backgroundColor.ToImageflowDynamic()
}
});
/// <summary>
/// Region is like a crop command, but you can specify coordinates outside of the image and
/// thereby add padding. It's like a window. Coordinates are in pixels.
/// </summary>
/// <param name="x1"></param>
/// <param name="y1"></param>
/// <param name="x2"></param>
/// <param name="y2"></param>
/// <param name="backgroundColor"></param>
/// <returns></returns>
public BuildNode Region(int x1, int y1, int x2, int y2, AnyColor backgroundColor)
=> To(new
{
region = new
{
x1,
y1,
x2,
y2,
background_color = backgroundColor.ToImageflowDynamic()
}
});
public BuildNode CreateCanvasBgra32(uint w, uint h, AnyColor color) => CreateCanvas(w, h, color, PixelFormat.Bgra_32);
private BuildNode CreateCanvas(uint w, uint h, AnyColor color, PixelFormat format) =>
BuildNode.StartNode(this, new { create_canvas = new { w, h, color, format = format.ToString().ToLowerInvariant() } });