.gitignore

@@ -1,4 +1,3 @@
 .cache
 compile_commands.json
 tiny
-*.pam

src/img.c

@@ -1,70 +0,0 @@
-#include "img.h"
-#include "mem_arena.h"
-#include "pam.h"
-#include "utils.h"
-#include <stdbool.h>
-#include <stddef.h>
-
-#define SAMPLES_PER_PIXEL 4
-
-bool init_image(Arena *arena, Image *img) {
-  if (!arena || !img || img->width == 0 || img->height == 0) {
-    return false;
-  }
-
-  u64 size = img->width * img->height * SAMPLES_PER_PIXEL;
-  img->buf = wapp_mem_arena_alloc(arena, size);
-
-  return img->buf != NULL;
-}
-
-void set_pixel(Image *img, u64 x, u64 y, Colour colour) {
-  u64 idx = (y * img->width + x) * SAMPLES_PER_PIXEL;
-  for (u64 i = 0; i < SAMPLES_PER_PIXEL; ++i) {
-    img->buf[idx + i] = *(((u8 *)&colour) + i);
-  }
-}
-
-void clear_image(Image *img, Colour colour) {
-  for (u64 y = 0; y < img->height; ++y) {
-    for (u64 x = 0; x < img->width; ++x) {
-      set_pixel(img, x, y, colour);
-    }
-  }
-}
-
-void draw_line(Image *img, u64 x0, u64 y0, u64 x1, u64 y1, Colour colour) {
-  u64 dx = absolute((i64)x1 - (i64)x0);
-  u64 dy = absolute((i64)y1 - (i64)y0);
-  f32 t = 0.0f;
-  i64 x = 0;
-  i64 y = 0;
-
-  if (dx > dy) {
-    if (x0 > x1) {
-      swap(u64, x0, x1);
-      swap(u64, y0, y1);
-    }
-
-    for (u64 x = x0; x < x1; ++x) {
-      t = (f32)(x - x0) / (f32)(x1 - x0);
-      y = (i64)y0 + ((i64)y1 - (i64)y0) * t;
-      set_pixel(img, x, y, colour);
-    }
-  } else {
-    if (y0 > y1) {
-      swap(u64, x0, x1);
-      swap(u64, y0, y1);
-    }
-
-    for (u64 y = y0; y < y1; ++y) {
-      t = (f32)(y - y0) / (f32)(y1 - y0);
-      x = (i64)x0 + ((i64)x1 - (i64)x0) * t;
-      set_pixel(img, x, y, colour);
-    }
-  }
-}
-
-void save_image(const Image *img, const char *filename) {
-  write_p7_image(img->width, img->height, img->buf, filename);
-}

src/img.h

@@ -1,29 +0,0 @@
-#ifndef IMG_H
-#define IMG_H
-
-#include "aliases.h"
-#include "mem_arena.h"
-#include <stdbool.h>
-
-typedef struct img Image;
-struct img {
-  u64 width;
-  u64 height;
-  u8 *buf;
-};
-
-typedef struct colour Colour;
-struct colour {
-  u8 r;
-  u8 g;
-  u8 b;
-  u8 a;
-};
-
-bool init_image(Arena *arena, Image *img);
-void set_pixel(Image *img, u64 x, u64 y, Colour colour);
-void clear_image(Image *img, Colour colour);
-void draw_line(Image *img, u64 x0, u64 y0, u64 x1, u64 y1, Colour colour);
-void save_image(const Image *img, const char *filename);
-
-#endif // IMG_H

src/main.c

@@ -1,34 +1,26 @@
-#include "img.h"
+#include "aliases.h"
 #include "mem_arena.h"
 #include "mem_utils.h"
+#include "pam.h"
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
-enum {
+typedef struct img Image;
-  TINY_EXIT_SUCCESS,
+struct img {
-  TINY_EXIT_ARENA_INIT_FAILED,
+  u64 width;
-  TINY_EXIT_IMAGE_INIT_FAILED,
+  u64 height;
+  u8 *buf;
 };
 
 int main(void) {
   Arena *arena = NULL;
   if (!wapp_mem_arena_init(&arena, 10ul * 1024ul * 1024ul * 1024ul,
                            WAPP_MEM_ALLOC_RESERVE, false)) {
-    return TINY_EXIT_ARENA_INIT_FAILED;
+    return -1;
   }
 
-  Colour cyan = {.r = 0, .g = 255, .b = 255, .a = 255};
-  Colour red = {.r = 255, .g = 0, .b = 0, .a = 255};
-  Image img = {.width = 200, .height = 200};
-  if (!init_image(arena, &img)) {
-    return TINY_EXIT_IMAGE_INIT_FAILED;
-  }
-
-  clear_image(&img, cyan);
-  save_image(&img, "result.pam");
-
   wapp_mem_arena_destroy(&arena);
 
-  return TINY_EXIT_SUCCESS;
+  return 0;
 }

src/utils.c

@@ -1,10 +0,0 @@
-#include "utils.h"
-#include "aliases.h"
-
-i64 absolute(i64 value) {
-  if (value >= 0) {
-    return value;
-  }
-
-  return value * -1;
-}

src/utils.h

@@ -1,14 +0,0 @@
-#ifndef UTILS_H
-#define UTILS_H
-
-#include "aliases.h"
-#define swap(T, v0, v1)                                                        \
-  do {                                                                         \
-    T tmp = v0;                                                                \
-    v0 = v1;                                                                   \
-    v1 = tmp;                                                                  \
-  } while (0)
-
-i64 absolute(i64 value);
-
-#endif // UTILS_H