commit e0a6257a3c773c122f8335bed08985a35c18388a
parent c33709d90286039a40ed4e46723d6a42fa6df19b
Author: rexim <reximkut@gmail.com>
Date: Sun, 4 Jul 2021 02:12:38 +0700
Reorganize
Diffstat:
13 files changed, 384 insertions(+), 349 deletions(-)
diff --git a/Makefile b/Makefile
@@ -1,5 +1,6 @@
CFLAGS=-Wall -Wextra -std=c11 -pedantic -ggdb `pkg-config --cflags sdl2`
LIBS=`pkg-config --libs sdl2` -lm
+SRCS=src/main.c src/la.c src/editor.c src/font.c src/sdl_extra.c
-te: main.c
- $(CC) $(CFLAGS) -o te main.c la.c editor.c $(LIBS)
+te: $(SRCS)
+ $(CC) $(CFLAGS) -o te $(SRCS) $(LIBS)
diff --git a/main.c b/main.c
@@ -1,347 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdbool.h>
-
-#include <SDL.h>
-
-#include "./la.h"
-
-#define STB_IMAGE_IMPLEMENTATION
-#include "./stb_image.h"
-
-#include "./editor.h"
-
-#define SCREEN_WIDTH 800
-#define SCREEN_HEIGHT 600
-#define FPS 60
-#define DELTA_TIME (1.0f / FPS)
-
-#define FONT_WIDTH 128
-#define FONT_HEIGHT 64
-#define FONT_COLS 18
-#define FONT_ROWS 7
-#define FONT_CHAR_WIDTH (FONT_WIDTH / FONT_COLS)
-#define FONT_CHAR_HEIGHT (FONT_HEIGHT / FONT_ROWS)
-#define FONT_SCALE 5
-
-void scc(int code)
-{
- if (code < 0) {
- fprintf(stderr, "SDL ERROR: %s\n", SDL_GetError());
- exit(1);
- }
-}
-
-void *scp(void *ptr)
-{
- if (ptr == NULL) {
- fprintf(stderr, "SDL ERROR: %s\n", SDL_GetError());
- exit(1);
- }
-
- return ptr;
-}
-
-SDL_Surface *surface_from_file(const char *file_path)
-{
- int width, height, n;
- unsigned char *pixels = stbi_load(file_path, &width, &height, &n, STBI_rgb_alpha);
- if (pixels == NULL) {
- fprintf(stderr, "ERROR: could not load file %s: %s\n",
- file_path, stbi_failure_reason());
- exit(1);
- }
-
-#if SDL_BYTEORDER == SDL_BIG_ENDIAN
- const Uint32 rmask = 0xff000000;
- const Uint32 gmask = 0x00ff0000;
- const Uint32 bmask = 0x0000ff00;
- const Uint32 amask = 0x000000ff;
-#else // little endian, like x86
- const Uint32 rmask = 0x000000ff;
- const Uint32 gmask = 0x0000ff00;
- const Uint32 bmask = 0x00ff0000;
- const Uint32 amask = 0xff000000;
-#endif
-
- const int depth = 32;
- const int pitch = 4*width;
-
- return scp(SDL_CreateRGBSurfaceFrom(
- (void*)pixels, width, height, depth, pitch,
- rmask, gmask, bmask, amask));
-}
-
-#define ASCII_DISPLAY_LOW 32
-#define ASCII_DISPLAY_HIGH 126
-
-typedef struct {
- SDL_Texture *spritesheet;
- SDL_Rect glyph_table[ASCII_DISPLAY_HIGH - ASCII_DISPLAY_LOW + 1];
-} Font;
-
-Font font_load_from_file(SDL_Renderer *renderer, const char *file_path)
-{
- Font font = {0};
-
- SDL_Surface *font_surface = surface_from_file(file_path);
- scc(SDL_SetColorKey(font_surface, SDL_TRUE, 0xFF000000));
- font.spritesheet = scp(SDL_CreateTextureFromSurface(renderer, font_surface));
- SDL_FreeSurface(font_surface);
-
- for (size_t ascii = ASCII_DISPLAY_LOW; ascii <= ASCII_DISPLAY_HIGH; ++ascii) {
- const size_t index = ascii - ASCII_DISPLAY_LOW;
- const size_t col = index % FONT_COLS;
- const size_t row = index / FONT_COLS;
- font.glyph_table[index] = (SDL_Rect) {
- .x = (int) col * FONT_CHAR_WIDTH,
- .y = (int) row * FONT_CHAR_HEIGHT,
- .w = FONT_CHAR_WIDTH,
- .h = FONT_CHAR_HEIGHT,
- };
- }
-
- return font;
-}
-
-void render_char(SDL_Renderer *renderer, const Font *font, char c, Vec2f pos, float scale)
-{
- const SDL_Rect dst = {
- .x = (int) floorf(pos.x),
- .y = (int) floorf(pos.y),
- .w = (int) floorf(FONT_CHAR_WIDTH * scale),
- .h = (int) floorf(FONT_CHAR_HEIGHT * scale),
- };
-
- size_t index = '?' - ASCII_DISPLAY_LOW;
- if (ASCII_DISPLAY_LOW <= c && c <= ASCII_DISPLAY_HIGH) {
- index = c - ASCII_DISPLAY_LOW;
- }
-
- scc(SDL_RenderCopy(renderer, font->spritesheet, &font->glyph_table[index], &dst));
-}
-
-void set_texture_color(SDL_Texture *texture, Uint32 color)
-{
- scc(SDL_SetTextureColorMod(
- texture,
- (color >> (8 * 0)) & 0xff,
- (color >> (8 * 1)) & 0xff,
- (color >> (8 * 2)) & 0xff));
-
- scc(SDL_SetTextureAlphaMod(texture, (color >> (8 * 3)) & 0xff));
-}
-
-void render_text_sized(SDL_Renderer *renderer, Font *font, const char *text, size_t text_size, Vec2f pos, Uint32 color, float scale)
-{
- set_texture_color(font->spritesheet, color);
-
- Vec2f pen = pos;
- for (size_t i = 0; i < text_size; ++i) {
- render_char(renderer, font, text[i], pen, scale);
- pen.x += FONT_CHAR_WIDTH * scale;
- }
-}
-
-Editor editor = {0};
-Vec2f camera_pos = {0};
-Vec2f camera_vel = {0};
-
-#define UNHEX(color) \
- ((color) >> (8 * 0)) & 0xFF, \
- ((color) >> (8 * 1)) & 0xFF, \
- ((color) >> (8 * 2)) & 0xFF, \
- ((color) >> (8 * 3)) & 0xFF
-
-Vec2f window_size(SDL_Window *window)
-{
- int w, h;
- SDL_GetWindowSize(window, &w, &h);
- return vec2f((float) w, (float) h);
-}
-
-Vec2f camera_project_point(SDL_Window *window, Vec2f point)
-{
- return vec2f_add(
- vec2f_sub(point, camera_pos),
- vec2f_mul(window_size(window), vec2fs(0.5f)));
-}
-
-
-void render_cursor(SDL_Renderer *renderer, SDL_Window *window, const Font *font)
-{
- const Vec2f pos =
- camera_project_point(
- window,
- vec2f((float) editor.cursor_col * FONT_CHAR_WIDTH * FONT_SCALE,
- (float) editor.cursor_row * FONT_CHAR_HEIGHT * FONT_SCALE));
-
- const SDL_Rect rect = {
- .x = (int) floorf(pos.x),
- .y = (int) floorf(pos.y),
- .w = FONT_CHAR_WIDTH * FONT_SCALE,
- .h = FONT_CHAR_HEIGHT * FONT_SCALE,
- };
-
- scc(SDL_SetRenderDrawColor(renderer, UNHEX(0xFFFFFFFF)));
- scc(SDL_RenderFillRect(renderer, &rect));
-
- const char *c = editor_char_under_cursor(&editor);
- if (c) {
- set_texture_color(font->spritesheet, 0xFF000000);
- render_char(renderer, font, *c, pos, FONT_SCALE);
- }
-}
-
-void usage(FILE *stream)
-{
- fprintf(stream, "Usage: te [FILE-PATH]\n");
-}
-
-// TODO: Save file
-// TODO: ncurses renderer
-// TODO: Jump forward/backward by a word
-// TODO: Delete a word
-// TODO: Blinking cursor
-// TODO: Delete line
-// TODO: Split the line on Enter
-
-int main(int argc, char **argv)
-{
- const char *file_path = NULL;
-
- if (argc > 1) {
- file_path = argv[1];
- }
-
- if (file_path) {
- FILE *file = fopen(file_path, "r");
- if (file != NULL) {
- editor_load_from_file(&editor, file);
- fclose(file);
- }
- }
-
- scc(SDL_Init(SDL_INIT_VIDEO));
-
- SDL_Window *window =
- scp(SDL_CreateWindow("Text Editor",
- 0, 0,
- SCREEN_WIDTH, SCREEN_HEIGHT,
- SDL_WINDOW_RESIZABLE));
-
- SDL_Renderer *renderer =
- scp(SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED));
-
-
- Font font = font_load_from_file(renderer, "./charmap-oldschool_white.png");
-
- bool quit = false;
- while (!quit) {
- const Uint32 start = SDL_GetTicks();
- SDL_Event event = {0};
- while (SDL_PollEvent(&event)) {
- switch (event.type) {
- case SDL_QUIT: {
- quit = true;
- }
- break;
-
- case SDL_KEYDOWN: {
- switch (event.key.keysym.sym) {
- case SDLK_BACKSPACE: {
- editor_backspace(&editor);
- }
- break;
-
- case SDLK_F2: {
- if (file_path) {
- editor_save_to_file(&editor, file_path);
- }
- }
- break;
-
- case SDLK_RETURN: {
- editor_insert_new_line(&editor);
- }
- break;
-
- case SDLK_DELETE: {
- editor_delete(&editor);
- }
- break;
-
- case SDLK_UP: {
- if (editor.cursor_row > 0) {
- editor.cursor_row -= 1;
- }
- }
- break;
-
- case SDLK_DOWN: {
- editor.cursor_row += 1;
- }
- break;
-
- case SDLK_LEFT: {
- if (editor.cursor_col > 0) {
- editor.cursor_col -= 1;
- }
- }
- break;
-
- case SDLK_RIGHT: {
- editor.cursor_col += 1;
- }
- break;
- }
- }
- break;
-
- case SDL_TEXTINPUT: {
- editor_insert_text_before_cursor(&editor, event.text.text);
- }
- break;
- }
- }
-
- {
- const Vec2f cursor_pos =
- vec2f((float) editor.cursor_col * FONT_CHAR_WIDTH * FONT_SCALE,
- (float) editor.cursor_row * FONT_CHAR_HEIGHT * FONT_SCALE);
-
- camera_vel = vec2f_mul(
- vec2f_sub(cursor_pos, camera_pos),
- vec2fs(2.0f));
-
- camera_pos = vec2f_add(camera_pos, vec2f_mul(camera_vel, vec2fs(DELTA_TIME)));
- }
-
-
- scc(SDL_SetRenderDrawColor(renderer, 0, 0, 0, 0));
- scc(SDL_RenderClear(renderer));
-
- for (size_t row = 0; row < editor.size; ++row) {
- const Line *line = editor.lines + row;
- const Vec2f line_pos = camera_project_point(window, vec2f(0.0f, (float) row * FONT_CHAR_HEIGHT * FONT_SCALE));
- render_text_sized(renderer, &font, line->chars, line->size, line_pos, 0xFFFFFFFF, FONT_SCALE);
- }
- render_cursor(renderer, window, &font);
-
- SDL_RenderPresent(renderer);
-
- const Uint32 duration = SDL_GetTicks() - start;
- const Uint32 delta_time_ms = 1000 / FPS;
- if (duration < delta_time_ms) {
- SDL_Delay(delta_time_ms - duration);
- }
- }
-
- SDL_Quit();
-
- return 0;
-}
-
-#define SV_IMPLEMENTATION
-#include "./sv.h"
-
diff --git a/editor.c b/src/editor.c
diff --git a/editor.h b/src/editor.h
diff --git a/src/font.c b/src/font.c
@@ -0,0 +1,54 @@
+#include "./font.h"
+#include "./sdl_extra.h"
+
+Font font_load_from_file(SDL_Renderer *renderer, const char *file_path)
+{
+ Font font = {0};
+
+ SDL_Surface *font_surface = surface_from_file(file_path);
+ scc(SDL_SetColorKey(font_surface, SDL_TRUE, 0xFF000000));
+ font.spritesheet = scp(SDL_CreateTextureFromSurface(renderer, font_surface));
+ SDL_FreeSurface(font_surface);
+
+ for (size_t ascii = ASCII_DISPLAY_LOW; ascii <= ASCII_DISPLAY_HIGH; ++ascii) {
+ const size_t index = ascii - ASCII_DISPLAY_LOW;
+ const size_t col = index % FONT_COLS;
+ const size_t row = index / FONT_COLS;
+ font.glyph_table[index] = (SDL_Rect) {
+ .x = (int) col * FONT_CHAR_WIDTH,
+ .y = (int) row * FONT_CHAR_HEIGHT,
+ .w = FONT_CHAR_WIDTH,
+ .h = FONT_CHAR_HEIGHT,
+ };
+ }
+
+ return font;
+}
+
+void render_char(SDL_Renderer *renderer, const Font *font, char c, Vec2f pos, float scale)
+{
+ const SDL_Rect dst = {
+ .x = (int) floorf(pos.x),
+ .y = (int) floorf(pos.y),
+ .w = (int) floorf(FONT_CHAR_WIDTH * scale),
+ .h = (int) floorf(FONT_CHAR_HEIGHT * scale),
+ };
+
+ size_t index = '?' - ASCII_DISPLAY_LOW;
+ if (ASCII_DISPLAY_LOW <= c && c <= ASCII_DISPLAY_HIGH) {
+ index = c - ASCII_DISPLAY_LOW;
+ }
+
+ scc(SDL_RenderCopy(renderer, font->spritesheet, &font->glyph_table[index], &dst));
+}
+
+void render_text_sized(SDL_Renderer *renderer, Font *font, const char *text, size_t text_size, Vec2f pos, Uint32 color, float scale)
+{
+ set_texture_color(font->spritesheet, color);
+
+ Vec2f pen = pos;
+ for (size_t i = 0; i < text_size; ++i) {
+ render_char(renderer, font, text[i], pen, scale);
+ pen.x += FONT_CHAR_WIDTH * scale;
+ }
+}
diff --git a/src/font.h b/src/font.h
@@ -0,0 +1,28 @@
+#ifndef FONT_H_
+#define FONT_H_
+
+#include <SDL.h>
+
+#include "./la.h"
+
+#define FONT_WIDTH 128
+#define FONT_HEIGHT 64
+#define FONT_COLS 18
+#define FONT_ROWS 7
+#define FONT_CHAR_WIDTH (FONT_WIDTH / FONT_COLS)
+#define FONT_CHAR_HEIGHT (FONT_HEIGHT / FONT_ROWS)
+#define FONT_SCALE 5
+
+#define ASCII_DISPLAY_LOW 32
+#define ASCII_DISPLAY_HIGH 126
+
+typedef struct {
+ SDL_Texture *spritesheet;
+ SDL_Rect glyph_table[ASCII_DISPLAY_HIGH - ASCII_DISPLAY_LOW + 1];
+} Font;
+
+Font font_load_from_file(SDL_Renderer *renderer, const char *file_path);
+void render_char(SDL_Renderer *renderer, const Font *font, char c, Vec2f pos, float scale);
+void render_text_sized(SDL_Renderer *renderer, Font *font, const char *text, size_t text_size, Vec2f pos, Uint32 color, float scale);
+
+#endif // FONT_H_
diff --git a/la.c b/src/la.c
diff --git a/la.h b/src/la.h
diff --git a/src/main.c b/src/main.c
@@ -0,0 +1,207 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+#include <SDL.h>
+
+#define STB_IMAGE_IMPLEMENTATION
+#include "./stb_image.h"
+
+#define SV_IMPLEMENTATION
+#include "./sv.h"
+
+#include "./editor.h"
+#include "./la.h"
+#include "./sdl_extra.h"
+#include "./font.h"
+
+#define SCREEN_WIDTH 800
+#define SCREEN_HEIGHT 600
+#define FPS 60
+#define DELTA_TIME (1.0f / FPS)
+
+Editor editor = {0};
+Vec2f camera_pos = {0};
+Vec2f camera_vel = {0};
+
+Vec2f camera_project_point(SDL_Window *window, Vec2f point)
+{
+ return vec2f_add(
+ vec2f_sub(point, camera_pos),
+ vec2f_mul(window_size(window), vec2fs(0.5f)));
+}
+
+
+void render_cursor(SDL_Renderer *renderer, SDL_Window *window, const Font *font)
+{
+ const Vec2f pos =
+ camera_project_point(
+ window,
+ vec2f((float) editor.cursor_col * FONT_CHAR_WIDTH * FONT_SCALE,
+ (float) editor.cursor_row * FONT_CHAR_HEIGHT * FONT_SCALE));
+
+ const SDL_Rect rect = {
+ .x = (int) floorf(pos.x),
+ .y = (int) floorf(pos.y),
+ .w = FONT_CHAR_WIDTH * FONT_SCALE,
+ .h = FONT_CHAR_HEIGHT * FONT_SCALE,
+ };
+
+ scc(SDL_SetRenderDrawColor(renderer, UNHEX(0xFFFFFFFF)));
+ scc(SDL_RenderFillRect(renderer, &rect));
+
+ const char *c = editor_char_under_cursor(&editor);
+ if (c) {
+ set_texture_color(font->spritesheet, 0xFF000000);
+ render_char(renderer, font, *c, pos, FONT_SCALE);
+ }
+}
+
+void usage(FILE *stream)
+{
+ fprintf(stream, "Usage: te [FILE-PATH]\n");
+}
+
+// TODO: Save file
+// TODO: ncurses renderer
+// TODO: Jump forward/backward by a word
+// TODO: Delete a word
+// TODO: Blinking cursor
+// TODO: Delete line
+// TODO: Split the line on Enter
+
+int main(int argc, char **argv)
+{
+ const char *file_path = NULL;
+
+ if (argc > 1) {
+ file_path = argv[1];
+ }
+
+ if (file_path) {
+ FILE *file = fopen(file_path, "r");
+ if (file != NULL) {
+ editor_load_from_file(&editor, file);
+ fclose(file);
+ }
+ }
+
+ scc(SDL_Init(SDL_INIT_VIDEO));
+
+ SDL_Window *window =
+ scp(SDL_CreateWindow("Text Editor",
+ 0, 0,
+ SCREEN_WIDTH, SCREEN_HEIGHT,
+ SDL_WINDOW_RESIZABLE));
+
+ SDL_Renderer *renderer =
+ scp(SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED));
+
+
+ Font font = font_load_from_file(renderer, "./charmap-oldschool_white.png");
+
+ bool quit = false;
+ while (!quit) {
+ const Uint32 start = SDL_GetTicks();
+ SDL_Event event = {0};
+ while (SDL_PollEvent(&event)) {
+ switch (event.type) {
+ case SDL_QUIT: {
+ quit = true;
+ }
+ break;
+
+ case SDL_KEYDOWN: {
+ switch (event.key.keysym.sym) {
+ case SDLK_BACKSPACE: {
+ editor_backspace(&editor);
+ }
+ break;
+
+ case SDLK_F2: {
+ if (file_path) {
+ editor_save_to_file(&editor, file_path);
+ }
+ }
+ break;
+
+ case SDLK_RETURN: {
+ editor_insert_new_line(&editor);
+ }
+ break;
+
+ case SDLK_DELETE: {
+ editor_delete(&editor);
+ }
+ break;
+
+ case SDLK_UP: {
+ if (editor.cursor_row > 0) {
+ editor.cursor_row -= 1;
+ }
+ }
+ break;
+
+ case SDLK_DOWN: {
+ editor.cursor_row += 1;
+ }
+ break;
+
+ case SDLK_LEFT: {
+ if (editor.cursor_col > 0) {
+ editor.cursor_col -= 1;
+ }
+ }
+ break;
+
+ case SDLK_RIGHT: {
+ editor.cursor_col += 1;
+ }
+ break;
+ }
+ }
+ break;
+
+ case SDL_TEXTINPUT: {
+ editor_insert_text_before_cursor(&editor, event.text.text);
+ }
+ break;
+ }
+ }
+
+ {
+ const Vec2f cursor_pos =
+ vec2f((float) editor.cursor_col * FONT_CHAR_WIDTH * FONT_SCALE,
+ (float) editor.cursor_row * FONT_CHAR_HEIGHT * FONT_SCALE);
+
+ camera_vel = vec2f_mul(
+ vec2f_sub(cursor_pos, camera_pos),
+ vec2fs(2.0f));
+
+ camera_pos = vec2f_add(camera_pos, vec2f_mul(camera_vel, vec2fs(DELTA_TIME)));
+ }
+
+
+ scc(SDL_SetRenderDrawColor(renderer, 0, 0, 0, 0));
+ scc(SDL_RenderClear(renderer));
+
+ for (size_t row = 0; row < editor.size; ++row) {
+ const Line *line = editor.lines + row;
+ const Vec2f line_pos = camera_project_point(window, vec2f(0.0f, (float) row * FONT_CHAR_HEIGHT * FONT_SCALE));
+ render_text_sized(renderer, &font, line->chars, line->size, line_pos, 0xFFFFFFFF, FONT_SCALE);
+ }
+ render_cursor(renderer, window, &font);
+
+ SDL_RenderPresent(renderer);
+
+ const Uint32 duration = SDL_GetTicks() - start;
+ const Uint32 delta_time_ms = 1000 / FPS;
+ if (duration < delta_time_ms) {
+ SDL_Delay(delta_time_ms - duration);
+ }
+ }
+
+ SDL_Quit();
+
+ return 0;
+}
diff --git a/src/sdl_extra.c b/src/sdl_extra.c
@@ -0,0 +1,68 @@
+#include "./sdl_extra.h"
+#include "./stb_image.h"
+
+void scc(int code)
+{
+ if (code < 0) {
+ fprintf(stderr, "SDL ERROR: %s\n", SDL_GetError());
+ exit(1);
+ }
+}
+
+void *scp(void *ptr)
+{
+ if (ptr == NULL) {
+ fprintf(stderr, "SDL ERROR: %s\n", SDL_GetError());
+ exit(1);
+ }
+
+ return ptr;
+}
+
+SDL_Surface *surface_from_file(const char *file_path)
+{
+ int width, height, n;
+ unsigned char *pixels = stbi_load(file_path, &width, &height, &n, STBI_rgb_alpha);
+ if (pixels == NULL) {
+ fprintf(stderr, "ERROR: could not load file %s: %s\n",
+ file_path, stbi_failure_reason());
+ exit(1);
+ }
+
+#if SDL_BYTEORDER == SDL_BIG_ENDIAN
+ const Uint32 rmask = 0xff000000;
+ const Uint32 gmask = 0x00ff0000;
+ const Uint32 bmask = 0x0000ff00;
+ const Uint32 amask = 0x000000ff;
+#else // little endian, like x86
+ const Uint32 rmask = 0x000000ff;
+ const Uint32 gmask = 0x0000ff00;
+ const Uint32 bmask = 0x00ff0000;
+ const Uint32 amask = 0xff000000;
+#endif
+
+ const int depth = 32;
+ const int pitch = 4*width;
+
+ return scp(SDL_CreateRGBSurfaceFrom(
+ (void*)pixels, width, height, depth, pitch,
+ rmask, gmask, bmask, amask));
+}
+
+void set_texture_color(SDL_Texture *texture, Uint32 color)
+{
+ scc(SDL_SetTextureColorMod(
+ texture,
+ (color >> (8 * 0)) & 0xff,
+ (color >> (8 * 1)) & 0xff,
+ (color >> (8 * 2)) & 0xff));
+
+ scc(SDL_SetTextureAlphaMod(texture, (color >> (8 * 3)) & 0xff));
+}
+
+Vec2f window_size(SDL_Window *window)
+{
+ int w, h;
+ SDL_GetWindowSize(window, &w, &h);
+ return vec2f((float) w, (float) h);
+}
diff --git a/src/sdl_extra.h b/src/sdl_extra.h
@@ -0,0 +1,24 @@
+#ifndef SDL_EXTRA_H_
+#define SDL_EXTRA_H_
+
+#include <SDL.h>
+
+#include "./la.h"
+
+#define UNHEX(color) \
+ ((color) >> (8 * 0)) & 0xFF, \
+ ((color) >> (8 * 1)) & 0xFF, \
+ ((color) >> (8 * 2)) & 0xFF, \
+ ((color) >> (8 * 3)) & 0xFF
+
+// SDL Check Code
+void scc(int code);
+
+// SDL Check Pointer
+void *scp(void *ptr);
+
+SDL_Surface *surface_from_file(const char *file_path);
+void set_texture_color(SDL_Texture *texture, Uint32 color);
+Vec2f window_size(SDL_Window *window);
+
+#endif // SDL_EXTRA_H_
diff --git a/stb_image.h b/src/stb_image.h
diff --git a/sv.h b/src/sv.h
