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Chuck
2025-04-07 16:52:13 -05:00
parent 1262e09bf5
commit 30c3080f15
195 changed files with 1155334 additions and 0 deletions
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85
rpi-rgb-led-matrix-master/bindings/c#/Bindings.cs Normal file
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global using static RPiRgbLEDMatrix.Bindings;
using System.Runtime.InteropServices;
namespace RPiRgbLEDMatrix;
/*
Some of the extern methods listed below are marked with [SuppressGCTransition].
This disables some GC checks that may take a long time. But such methods should
be fast and trivial, otherwise the managed code may become unstable (see docs).
Keep this in mind when changing the C/C++ side.
https://learn.microsoft.com/dotnet/api/system.runtime.interopservices.suppressgctransitionattribute
*/
internal static class Bindings
{
private const string Lib = "librgbmatrix.so.1";
[DllImport(Lib)]
public static extern IntPtr led_matrix_create(int rows, int chained, int parallel);
[DllImport(Lib, CharSet = CharSet.Ansi)]
public static extern IntPtr led_matrix_create_from_options_const_argv(
ref InternalRGBLedMatrixOptions options,
int argc,
string[] argv);
[DllImport(Lib)]
public static extern void led_matrix_delete(IntPtr matrix);
[DllImport(Lib)]
public static extern IntPtr led_matrix_create_offscreen_canvas(IntPtr matrix);
[DllImport(Lib)]
public static extern IntPtr led_matrix_swap_on_vsync(IntPtr matrix, IntPtr canvas);
[DllImport(Lib)]
public static extern IntPtr led_matrix_get_canvas(IntPtr matrix);
[DllImport(Lib)]
[SuppressGCTransition]
public static extern byte led_matrix_get_brightness(IntPtr matrix);
[DllImport(Lib)]
[SuppressGCTransition]
public static extern void led_matrix_set_brightness(IntPtr matrix, byte brightness);
[DllImport(Lib, CharSet = CharSet.Ansi)]
public static extern IntPtr load_font(string bdf_font_file);
[DllImport(Lib, CharSet = CharSet.Ansi)]
public static extern int draw_text(IntPtr canvas, IntPtr font, int x, int y, byte r, byte g, byte b,
string utf8_text, int extra_spacing);
[DllImport(Lib, CharSet = CharSet.Ansi)]
public static extern int vertical_draw_text(IntPtr canvas, IntPtr font, int x, int y, byte r, byte g, byte b,
string utf8_text, int kerning_offset);
[DllImport(Lib, CharSet = CharSet.Ansi)]
public static extern void delete_font(IntPtr font);
[DllImport(Lib)]
[SuppressGCTransition]
public static extern void led_canvas_get_size(IntPtr canvas, out int width, out int height);
[DllImport(Lib)]
[SuppressGCTransition]
public static extern void led_canvas_set_pixel(IntPtr canvas, int x, int y, byte r, byte g, byte b);
[DllImport(Lib)]
public static extern void led_canvas_set_pixels(IntPtr canvas, int x, int y, int width, int height,
ref Color colors);
[DllImport(Lib)]
public static extern void led_canvas_clear(IntPtr canvas);
[DllImport(Lib)]
public static extern void led_canvas_fill(IntPtr canvas, byte r, byte g, byte b);
[DllImport(Lib)]
public static extern void draw_circle(IntPtr canvas, int xx, int y, int radius, byte r, byte g, byte b);
[DllImport(Lib)]
public static extern void draw_line(IntPtr canvas, int x0, int y0, int x1, int y1, byte r, byte g, byte b);
}