DarthMooMancer/libimg
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Changed function names to match <output_func>

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This commit is contained in:
Andrew Haynes
2026-03-22 13:15:06 -04:00
parent 36fb0ebf32
commit 319a6e3b2c
1 changed files with 56 additions and 74 deletions
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src/main.c
+56 -74
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@@ -3,7 +3,6 @@
#include <string.h>
#include <time.h>
#include <turbojpeg.h>
#include <unistd.h>
#define BYTE_A 0xFF000000
#define BYTE_R 0x00FF0000
@@ -42,19 +41,19 @@
typedef struct
{
int width, height, len;
const char* name;
int width, height;
int len;
char* name;
char fmt;
} PPM;
typedef struct
{
int width, height;
size_t len;
int len;
char* name;
} JPEG;
// Decodes int to a long
static inline unsigned long
u32to_u64(const unsigned int clr)
{
@@ -78,26 +77,26 @@ u64to_u32(const unsigned long clr, const unsigned long u64_div)
}
static inline unsigned int
set_alpha(const unsigned int clr, const unsigned char alpha)
u32_put_alpha(const unsigned int clr, const unsigned char alpha)
{
return (clr & BYTE_RGB) | alpha << SHIFT_24;
}
static inline unsigned int
invert_rgb(const unsigned int clr)
u32_invert(const unsigned int clr)
{
return ((~clr) & BYTE_RGB) | (clr & BYTE_A);
}
static inline unsigned int
swap_rb(const unsigned int clr)
u32_swap_rb(const unsigned int clr)
{
return (clr & 0xFF00FF00) | ((clr & BYTE_R) >> SHIFT_16) |
((clr & BYTE_B) << SHIFT_16);
}
static inline unsigned int
to_grayscale(const unsigned int clr)
u32_grayscale(const unsigned int clr)
{
unsigned int red = DECODE_R(clr);
unsigned int green = DECODE_G(clr);
@@ -109,9 +108,9 @@ to_grayscale(const unsigned int clr)
}
static inline unsigned int
apply_threshold(const unsigned int clr, const unsigned char max)
u32_step(const unsigned int clr, const unsigned char max)
{
if (DECODE_B(to_grayscale(clr)) < max)
if (DECODE_B(u32_grayscale(clr)) < max)
{
return ENCODE_ARGB(0, 0, 0, 0);
}
@@ -119,7 +118,7 @@ apply_threshold(const unsigned int clr, const unsigned char max)
}
static inline unsigned int
adjust_brightness(const unsigned int clr, const float factor)
u32_brighten(const unsigned int clr, const float factor)
{
unsigned int alpha = (clr & BYTE_A);
unsigned int red =
@@ -132,7 +131,7 @@ adjust_brightness(const unsigned int clr, const float factor)
}
static inline unsigned int
apply_tint(const unsigned int clr_a, const unsigned int clr_b)
u32_mix(const unsigned int clr_a, const unsigned int clr_b)
{
unsigned char blue = (DECODE_B(clr_a) + DECODE_B(clr_b)) / 2;
unsigned char green = (DECODE_G(clr_a) + DECODE_G(clr_b)) / 2;
@@ -142,7 +141,7 @@ apply_tint(const unsigned int clr_a, const unsigned int clr_b)
}
static inline unsigned int
apply_opacity(const unsigned clr_a, const unsigned int clr_b, const float ratio)
u32_lerp(const unsigned clr_a, const unsigned int clr_b, const float ratio)
{
unsigned char blue = (unsigned char)((DECODE_B(clr_a) * (1 - ratio)) +
((DECODE_B(clr_b) * ratio)));
@@ -154,7 +153,7 @@ apply_opacity(const unsigned clr_a, const unsigned int clr_b, const float ratio)
}
static inline unsigned int
channel_mask(const unsigned int clr, const char keep)
u32_mask(const unsigned int clr, const char keep)
{
switch (keep)
{
@@ -175,12 +174,12 @@ channel_mask(const unsigned int clr, const char keep)
}
static inline unsigned int
chromatic_circular_shift(const unsigned int clr, const int n)
u32_rotl(const unsigned int clr, const int n)
{
if (n > 8)
{
return 0;
}
if (n > 8)
{
return 0;
}
unsigned int red = DECODE_R(clr);
unsigned int green = DECODE_G(clr);
unsigned int blue = DECODE_B(clr);
@@ -191,7 +190,7 @@ chromatic_circular_shift(const unsigned int clr, const int n)
}
static inline unsigned int*
flip_horizontal(const unsigned int* buf, const PPM img)
ppm_flip_h(const unsigned int* buf, const PPM img)
{
unsigned int* flip = malloc(img.len * sizeof(unsigned int));
if (!flip)
@@ -212,7 +211,7 @@ flip_horizontal(const unsigned int* buf, const PPM img)
}
static inline unsigned int*
flip_vertical(const unsigned int* buf, const PPM img)
ppm_flip_v(const unsigned int* buf, const PPM img)
{
unsigned int* flip = malloc(img.len * sizeof(unsigned int));
if (!flip)
@@ -234,7 +233,7 @@ flip_vertical(const unsigned int* buf, const PPM img)
}
static inline unsigned int
constrast_adjustment(unsigned int clr, float factor)
u32_contrast(unsigned int clr, float factor)
{
unsigned int mask = 0;
int red = CLAMP_MIN(CLAMP_MAX(
@@ -247,7 +246,7 @@ constrast_adjustment(unsigned int clr, float factor)
}
static inline unsigned int*
rotate(const unsigned int* buf, PPM* img, const int len)
u32_rotate(const unsigned int* buf, PPM* img, const int len)
{
unsigned int* mask = malloc(len * sizeof(unsigned int));
int old_width = img->width;
@@ -268,18 +267,8 @@ rotate(const unsigned int* buf, PPM* img, const int len)
return mask;
}
static inline int
is_valid(const int x, const int y, const int width, const int height)
{
if (x < 0 || x >= width || y < 0 || y >= height)
{
return 0;
}
return 1;
}
static inline unsigned int
brightness_mirror(const unsigned int clr)
u32_avg_gb(const unsigned int clr)
{
unsigned char red = DECODE_R(clr);
unsigned char blue = DECODE_B(clr);
@@ -287,10 +276,9 @@ brightness_mirror(const unsigned int clr)
return ENCODE_RGB(red, green, blue);
}
// Used strictly for box_blur
static inline unsigned int
get_pixel_x(const unsigned int* src, const int x, const int y, const PPM* img,
const int radius)
blur_col(const unsigned int* src, const int x, const int y, const PPM* img,
const int radius)
{
unsigned long pt = 0, cnt = 0;
@@ -311,10 +299,9 @@ get_pixel_x(const unsigned int* src, const int x, const int y, const PPM* img,
return src[y * img->width + x];
}
// Used strictly for box_blur
static inline unsigned int
get_pixel_y(const unsigned int* src, const int x, const int y, const PPM* img,
const int radius)
blur_row(const unsigned int* src, const int x, const int y, const PPM* img,
const int radius)
{
unsigned long pt = 0, cnt = 0;
@@ -335,7 +322,7 @@ get_pixel_y(const unsigned int* src, const int x, const int y, const PPM* img,
return src[y * img->width + x];
}
static inline unsigned int*
unsigned int*
box_blur(const unsigned int* src_buf, const PPM* img, const int radius)
{
unsigned int* first_pass = malloc(img->len * sizeof(unsigned int));
@@ -354,7 +341,7 @@ box_blur(const unsigned int* src_buf, const PPM* img, const int radius)
for (int x = 0; x < img->width; x++)
{
first_pass[y * img->width + x] =
get_pixel_x(src_buf, x, y, img, radius);
blur_col(src_buf, x, y, img, radius);
}
}
for (int y = 0; y < img->height; y++)
@@ -362,24 +349,15 @@ box_blur(const unsigned int* src_buf, const PPM* img, const int radius)
for (int x = 0; x < img->width; x++)
{
dst_buf[y * img->width + x] =
get_pixel_y(first_pass, x, y, img, radius);
blur_row(first_pass, x, y, img, radius);
}
}
free(first_pass);
return dst_buf;
}
static inline void
ppm_apply_brightness(unsigned int* buf, const PPM img, const float factor)
{
for (int i = 0; i < img.len; i++)
{
buf[i] = adjust_brightness(buf[i], factor);
}
}
static inline unsigned int*
ppm_decode(const char* file, PPM* img)
ppm_load(const char* file, PPM* img)
{
printf("Starting decode...\n");
unsigned char red;
@@ -401,7 +379,10 @@ ppm_decode(const char* file, PPM* img)
fscanf(fptr, "%d", &max_val);
fgetc(fptr);
unsigned char* img_buf = malloc(img->len * 3);
if (!img_buf) return NULL;
if (!img_buf)
{
return NULL;
}
unsigned int* clr_buf = malloc(img->len * sizeof(unsigned int));
if (!clr_buf)
{
@@ -436,12 +417,18 @@ ppm_decode(const char* file, PPM* img)
}
static inline void
ppm_encode(const unsigned int* buf, const PPM img)
ppm_save(const unsigned int* buf, const PPM img)
{
if (!buf) return;
if (!buf)
{
return;
}
unsigned char red, green, blue;
unsigned char* dst_buf = malloc(img.len * 3);
if (!dst_buf) return;
if (!dst_buf)
{
return;
}
printf("Starting encode...\n");
FILE* fptr;
@@ -490,7 +477,7 @@ ppm_encode(const unsigned int* buf, const PPM img)
}
unsigned int*
jpeg_decode(JPEG* attr)
jpeg_load(JPEG* attr)
{
printf("Starting Decode...\n");
tjhandle tjdecompress = tj3Init(TJINIT_DECOMPRESS);
@@ -525,7 +512,7 @@ jpeg_decode(JPEG* attr)
}
void
jpeg_encode(unsigned int* src_buf, JPEG* attr, char* name)
jpeg_save(unsigned int* src_buf, JPEG* attr, char* name)
{
printf("Starting Decode...\n");
tjhandle tjcompress = tj3Init(TJINIT_COMPRESS);
@@ -556,20 +543,20 @@ jpeg_encode(unsigned int* src_buf, JPEG* attr, char* name)
void
ppm_to_jpeg(PPM* in, JPEG* out)
{
unsigned int* src_buf = ppm_decode(in->name, in);
unsigned int* src_buf = ppm_load(in->name, in);
out->width = in->width;
out->height = in->height;
jpeg_encode(src_buf, out, out->name);
jpeg_save(src_buf, out, out->name);
}
void
jpeg_to_ppm(JPEG* input, PPM* out)
{
unsigned int* src_buf = jpeg_decode(input);
unsigned int* src_buf = jpeg_load(input);
out->width = input->width;
out->height = input->height;
out->len = out->width * out->height;
ppm_encode(src_buf, *out);
ppm_save(src_buf, *out);
}
int
@@ -579,15 +566,10 @@ main()
.name = "../test.ppm",
};
unsigned int* src_buf = ppm_decode("../assets/8ktest.ppm", &out);
if (src_buf)
{
src_buf = box_blur(src_buf, &out, 10);
}
ppm_encode(src_buf, out);
if (src_buf)
{
free(src_buf);
}
unsigned int* src_buf = ppm_load("../assets/8ktest.ppm", &out);
unsigned int* blurred = box_blur(src_buf, &out, 10);
ppm_save(blurred, out);
free(src_buf);
free(blurred);
return 0;
}