morph

commit 332e7e3c605acffc04c48da0befab503eb908df1
parent b69e5e904d1499a13d7062b481d311b808592fed
Author: Pollux <pollux@pollux.codes>
Date:   Fri, 18 Jul 2025 19:43:24 -0500

feat: Add image loading functionality

Signed-off-by: Pollux <pollux@pollux.codes>

Diffstat:
M
morph.c
 | 
44
++++++++++++++++++++++++++++++++++++++------

1 file changed, 38 insertions(+), 6 deletions(-)
diff --git a/morph.c b/morph.c
@@ -2,7 +2,8 @@
 /* See LICENSE file for copyright and license details. */
 
 #include <math.h>
-#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
 
 #include <Imlib2.h>
 
@@ -86,12 +87,43 @@ lab_to_rgb(col_lab_t lab) {
 	return rgb;
 }
 
+/// Loads the image located at the given path and extracts the colors in the
+/// pixels into an array of col_rgb_t. The caller is responsible for freeing
+/// the return value.
+col_rgb_t      *
+get_image_pixel_data(const char *path) {
+
+	int             image_width, image_height;
+	col_rgb_t      *image_pixels;
+
+	Imlib_Image     image = imlib_load_image(path); // TODO: Make sure image loaded
+
+	imlib_context_set_image(image);
+
+	image_width = imlib_image_get_width();
+	image_height = imlib_image_get_height();
+
+	image_pixels = malloc(image_width * image_height * sizeof(col_rgb_t));
+
+	DATA32         *image_data = imlib_image_get_data_for_reading_only();
+
+	for(int pixel = 0; pixel < image_width * image_height; pixel++) {
+		DATA32          color = *(image_data + pixel);
+
+		image_pixels[pixel].r = (color & 0x000000ff);
+		image_pixels[pixel].g = (color & 0x0000ff00) >> 8;
+		image_pixels[pixel].b = (color & 0x00ff0000) >> 16;
+	}
+
+	imlib_free_image();
+
+	return image_pixels;
+}
+
 int
 main(int argc, char **argv) {
-	col_rgb_t       test_color = {.r = 1.0f,.g = 1.0f,.b = 1.0f };
-	col_lab_t       lab_color = rgb_to_lab(test_color);
-	col_rgb_t       out_color = lab_to_rgb(lab_color);
 
-	printf("Output color: R=%f, G=%f, B=%f\n", out_color.r, out_color.g,
-	       out_color.b);
+	col_rgb_t      *image_pixels = get_image_pixel_data("test.jpg");
+
+	free(image_pixels);
 }