Add files

1 files changed, 99 insertions, 0 deletions

diff --git a/oldresources/breathing-exo-daemon/exo.c b/oldresources/breathing-exo-daemon/exo.c
new file mode 100644
index 0000000..858cd57
--- /dev/null
+++ b/oldresources/breathing-exo-daemon/exo.c
@@ -0,0 +1,99 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include <time.h>
+#include <unistd.h>
+
+/* Convert sRGB to Linear RGB */
+double srgb_to_linear(double value) {
+    if (value <= 0.04045) {
+        return value / 12.92;
+    } else {
+        return pow((value + 0.055) / 1.055, 2.4);
+    }
+}
+
+/* Convert Linear RGB to sRGB */
+double linear_to_srgb(double value) {
+    if (value <= 0.0031308) {
+        return value * 12.92;
+    } else {
+        return 1.055 * pow(value, 1.0 / 2.4) - 0.055;
+    }
+}
+
+/* Interpolate between two colors in Linear RGB space */
+void interpolate_color_linear(const char *color1, const char *color2, double t, char *output) {
+    unsigned int r1, g1, b1, r2, g2, b2;
+    sscanf(color1, "#%02x%02x%02x", &r1, &g1, &b1);
+    sscanf(color2, "#%02x%02x%02x", &r2, &g2, &b2);
+
+    // Convert sRGB to linear RGB
+    double lr1 = srgb_to_linear(r1 / 255.0);
+    double lg1 = srgb_to_linear(g1 / 255.0);
+    double lb1 = srgb_to_linear(b1 / 255.0);
+
+    double lr2 = srgb_to_linear(r2 / 255.0);
+    double lg2 = srgb_to_linear(g2 / 255.0);
+    double lb2 = srgb_to_linear(b2 / 255.0);
+
+    // Interpolate in linear RGB space
+    double lr = lr1 + t * (lr2 - lr1);
+    double lg = lg1 + t * (lg2 - lg1);
+    double lb = lb1 + t * (lb2 - lb1);
+
+    // Convert back to sRGB
+    unsigned int r = (unsigned int)(linear_to_srgb(lr) * 255.0);
+    unsigned int g = (unsigned int)(linear_to_srgb(lg) * 255.0);
+    unsigned int b = (unsigned int)(linear_to_srgb(lb) * 255.0);
+
+    // Format as hex output
+    snprintf(output, 8, "#%02x%02x%02x", r, g, b);
+}
+
+int main() {
+    /* Define the colors to cycle through */
+    const char *breathing_colors[] = {
+        "#ffe667", // Yellow
+        "#f27049", // Orange
+        "#3dd762", // Green
+    };
+    int color_count = sizeof(breathing_colors) / sizeof(breathing_colors[0]);
+
+    int current_index = 0;
+    double t = 0.0; // Interpolation factor
+    char current_color[8];
+
+    struct timespec ts = { 0, 5000000 }; // 5ms sleep
+
+    while (1) {
+        /* Interpolate the current color */
+        interpolate_color_linear(
+            breathing_colors[current_index],
+            breathing_colors[(current_index + 1) % color_count],
+            t,
+            current_color
+        );
+
+        /* Write the current color to a file */
+        FILE *f = fopen("/tmp/breathing_color", "w");
+        if (f) {
+            fprintf(f, "%s\n", current_color);
+            fclose(f);
+        }
+
+        /* Increment interpolation factor */
+        t += 0.005; // Adjust the speed of transition (smaller value = slower transition)
+        if (t >= 1.0) {
+            t = 0.0; // Reset interpolation
+            current_index = (current_index + 1) % color_count; // Move to the next color
+        }
+
+        /* Sleep for 5ms */
+        nanosleep(&ts, NULL);
+    }
+
+    return 0;
+}
+