Many changes just look at the new documentation and such

src/imgio.c

@@ -65,7 +65,7 @@ ppm_load(const char* file, PPM* m_attr)
 }
 
 int
-ppm_save(const unsigned int* buf, const PPM img)
+ppm_save(const unsigned int* buf, const PPM img, char* name)
 {
 	if (!buf)
 	{
@@ -82,12 +82,12 @@ ppm_save(const unsigned int* buf, const PPM img)
 
 	if (img.fmt == '3')
 	{
-		fptr = fopen(img.name, "w");
+		fptr = fopen(name, "w");
 	}
 
 	if (img.fmt == '6')
 	{
-		fptr = fopen(img.name, "wb");
+		fptr = fopen(name, "wb");
 	}
 
 	if (!fptr)
@@ -125,6 +125,7 @@ ppm_save(const unsigned int* buf, const PPM img)
 	fclose(fptr);
 	free(dst_buf);
 	printf("Encode Done!\n");
+	printf("Image: %s is saved.\n", name);
 	return 1;
 }
 
@@ -209,7 +210,7 @@ transcode_to_ppm(JPEG* input, PPM* out)
 	out->width = input->width;
 	out->height = input->height;
 	out->len = out->width * out->height;
-	ppm_save(dst, *out);
+	ppm_save(dst, *out, out->name);
 	free(dst);
 }
 

src/main.c

@@ -1,4 +1,6 @@
 #include <stdlib.h>
+
+#include "image/filters.h"
 #include "image/utils.h"
 // #include "image/filters.h"
 // #include "image/transformations.h"
@@ -7,16 +9,28 @@
 int
 main()
 {
-        JPEG out_1 = {
-                .name = "../MF8jno.jpg",
+	// JPEG out_1 = {
+	// 	.name = "../MF8jno.jpg",
+	//
+	// };
+	PPM img = {
+		.name = "../IMG_1649.ppm",
+	};
 
-        };
+	unsigned int* buf = ppm_load(img.name, &img);
+	for (int i = 0; i < img.len; i++)
+	{
+		// you need to replace the old value with the new updated value
+		buf[i] = u32_grayscale(buf[i]);
+	}
+	ppm_save(buf, img, "../IMG_1649_new.ppm");
 
 	// PPM out_2 = inherit_from_jpeg(&out_1, '6');
 	//
 	//
-        PPM out = inherit_from_jpeg(&out_1, '6');
-        // print_attr(&out);
+
+	// PPM out = inherit_from_jpeg(&out_1, '6');
+	// print_attr(&out);
 	// unsigned int* src_buf = ppm_load("../assets/8ktest.ppm", &out_2);
 	// unsigned int* blurred = box_blur(src_buf, &out_2, 10);
 	//        unsigned int* flip = u32_rotate(src_buf_jpeg, );