update

matrix/test_text.cc

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+/*
+Script to display a simple text on the matrix LED
+sudo /var/www/moduleair_pro_4g/matrix/test_text --led-no-hardware-pulse
+
+Pour compiler:
+g++ -Iinclude  -Llib test_text.cc -o test_text -lrgbmatrix
+*/
+
+#include "led-matrix.h"
+#include "graphics.h"
+
+#include <unistd.h>
+#include <string.h>
+
+using rgb_matrix::RGBMatrix;
+using rgb_matrix::Canvas;
+
+int main(int argc, char *argv[]) {
+    RGBMatrix::Options defaults;
+    defaults.hardware_mapping = "moduleair_pinout"; 
+    defaults.rows = 64;
+    defaults.cols = 128;
+    defaults.chain_length = 1;
+    defaults.parallel = 1;
+    defaults.row_address_type=3;
+    defaults.show_refresh_rate = true;
+    defaults.brightness = 100;
+    defaults.panel_type = "FM6126A"; 
+
+    rgb_matrix::Color color1(255, 0, 0);   // Red color for the first line
+    rgb_matrix::Color color2(0, 0, 255);   // Blue color for the second line
+    rgb_matrix::Color bg_color(0, 0, 0);   // Background color (black)
+    
+    int letter_spacing = 0;
+
+    Canvas *canvas = RGBMatrix::CreateFromFlags(&argc, &argv, &defaults);
+    if (canvas == NULL)
+        return 1;
+
+    // Load font
+    rgb_matrix::Font font;
+    if (!font.LoadFont("fonts/8x13.bdf")) return 1;
+
+    // Define text for each line
+    const char *line1 = "Plouf Les amis!";
+    const char *line2 = "Salut a tous!";
+
+    // Display first line with color1
+    int x = 0;
+    int y1 = font.baseline();  // First line position
+    rgb_matrix::DrawText(canvas, font, x, y1, color1, &bg_color, line1, letter_spacing);
+
+    // Display second line with color2
+    int y2 = y1 + font.height();  // Second line position, just below the first line
+    rgb_matrix::DrawText(canvas, font, x, y2, color2, &bg_color, line2, letter_spacing);
+
+    usleep(4000000); // Display for 4 seconds
+
+    // Clean up
+    canvas->Clear();
+    delete canvas;
+    return 0;
+}