add: image is now printable

headers/icon.h

@@ -0,0 +1,9 @@
+#pragma once
+
+#include <stdint.h>
+
+struct icon {
+	uint32_t height;
+	uint32_t width;
+	uint32_t *pixels;
+};

script/icon_maker.py

@@ -0,0 +1,37 @@
+from PIL import Image
+
+import sys
+import os
+
+
+if (len(sys.argv) < 2):
+    print("Error: usage python icon_maker.py {img}")
+
+image = Image.open(sys.argv[1])
+
+width, height = image.size
+pixels = list(image.getdata())
+pixels = [r << 16 | g << 8 | b for r, g, b in pixels]
+
+string = str(pixels).replace("(", "{").replace(")", "}").replace("[", "{").replace("]", "}")
+
+filename: str = os.path.basename(sys.argv[1]).split(".")[0]
+
+string = f"""\
+#pragma once
+
+#include <stdint.h>
+#include "icon.h"
+
+uint32_t {filename}_color_map[{width} * {height}] = {string};
+
+struct icon {filename}_icon = {{
+    .height = {height},
+    .width = {width},
+    .pixels = {filename}_color_map
+}};
+
+"""
+
+with open(f"./headers/icons/{filename}.h", "w") as f:
+    f.write(string)

src/kernel.c

@@ -2,6 +2,8 @@
 #include "debug.h"
 #include "drivers.h"
 #include "gdt.h"
+#include "icon.h"
+#include "icons/image.h"
 #include "idt.h"
 #include "kprintf.h"
 #include "memory.h"
@@ -29,11 +31,22 @@
 
 static void put_pixel(uint32_t color, uint32_t x, uint32_t y)
 {
-	//											/ 4 cause display.buff is in 32bit instead of 8bit 
+	//											/
+	// 4 cause display.buff is in 32bit instead of 8bit
 	const uint32_t coords = x + y * display.pitch / 4;
 	display.buff[coords] = color;
 }
 
+void draw_icon(uint32_t pos_x, uint32_t pos_y, struct icon *img)
+{
+	for (uint32_t y = 0; y < img->height; y++) {
+		for (uint32_t x = 0; x < img->width; x++) {
+			put_pixel(img->pixels[y * img->width + x], pos_x + x,
+			          pos_y + y);
+		}
+	}
+}
+
 void kernel_main(multiboot_info_t *mbd, uint32_t magic)
 {
 	/* terminal_initialize(); */
@@ -47,14 +60,7 @@ void kernel_main(multiboot_info_t *mbd, uint32_t magic)
 	/*         "complex 8*unknown quantity -byte descriptor table. -- Troy "
 	 */
 	/*         "Martin 03:50, 22 March 2009 (UTC)\n"); */
-	uint32_t color = 0 << 16 | 128 << 8 | 128;
+	draw_icon(0, 0, &image_icon);
-	for (size_t i = 0; i < 100; i++) {
-		put_pixel(color, 10, i);
-		put_pixel(color, 11, i);
-		put_pixel(color, 12, i);
-		put_pixel(color, 13, i);
-		put_pixel(color, 14, i);
-	}
 	/* memset(display.buff, 255, 1024 * 1024); */
 	/* shell_init(); */
 }