mirror of
https://github.com/QB64-Phoenix-Edition/QB64pe.git
synced 2024-09-20 09:04:43 +00:00
80 lines
4 KiB
C
80 lines
4 KiB
C
//-----------------------------------------------------------------------------------------------------
|
|
// ___ ___ __ _ _ ___ ___ ___ _ _ _
|
|
// / _ \| _ ) / /| | || _ \ __| |_ _|_ __ __ _ __ _ ___ | | (_) |__ _ _ __ _ _ _ _ _
|
|
// | (_) | _ \/ _ \_ _| _/ _| | || ' \/ _` / _` / -_) | |__| | '_ \ '_/ _` | '_| || |
|
|
// \__\_\___/\___/ |_||_| |___| |___|_|_|_\__,_\__, \___| |____|_|_.__/_| \__,_|_| \_, |
|
|
// |___/ |__/
|
|
//
|
|
// Powered by:
|
|
// stb_image & stb_image_write (https://github.com/nothings/stb)
|
|
// dr_pcx (https://github.com/mackron/dr_pcx)
|
|
// nanosvg (https://github.com/memononen/nanosvg)
|
|
// qoi (https://qoiformat.org)
|
|
// pixelscalers (https://github.com/janert/pixelscalers)
|
|
// mmpx (https://github.com/ITotalJustice/mmpx)
|
|
//
|
|
//-----------------------------------------------------------------------------------------------------
|
|
|
|
#pragma once
|
|
|
|
#include <cmath>
|
|
#include <stdint.h>
|
|
#include <stdio.h>
|
|
|
|
#if defined(IMAGE_DEBUG) && IMAGE_DEBUG > 0
|
|
# ifdef _MSC_VER
|
|
# define IMAGE_DEBUG_PRINT(_fmt_, ...) fprintf(stderr, "DEBUG: %s:%d:%s(): " _fmt_ "\n", __FILE__, __LINE__, __func__, __VA_ARGS__)
|
|
# else
|
|
# define IMAGE_DEBUG_PRINT(_fmt_, _args_...) fprintf(stderr, "DEBUG: %s:%d:%s(): " _fmt_ "\n", __FILE__, __LINE__, __func__, ##_args_)
|
|
# endif
|
|
# define IMAGE_DEBUG_CHECK(_exp_) \
|
|
if (!(_exp_)) \
|
|
IMAGE_DEBUG_PRINT("Condition (%s) failed", #_exp_)
|
|
#else
|
|
# ifdef _MSC_VER
|
|
# define IMAGE_DEBUG_PRINT(_fmt_, ...) // Don't do anything in release builds
|
|
# else
|
|
# define IMAGE_DEBUG_PRINT(_fmt_, _args_...) // Don't do anything in release builds
|
|
# endif
|
|
# define IMAGE_DEBUG_CHECK(_exp_) // Don't do anything in release builds
|
|
#endif
|
|
|
|
// This is returned to the caller if something goes wrong while loading the image
|
|
#define INVALID_IMAGE_HANDLE -1
|
|
|
|
struct qbs;
|
|
|
|
int32_t func__loadimage(qbs *qbsFileName, int32_t bpp, qbs *qbsRequirements, int32_t passed);
|
|
void sub__saveimage(qbs *qbsFileName, int32_t imageHandle, qbs *qbsRequirements, int32_t passed);
|
|
|
|
static inline constexpr uint8_t image_get_bgra_red(const uint32_t c) { return (uint8_t)((c >> 16) & 0xFFu); }
|
|
|
|
static inline constexpr uint8_t image_get_bgra_green(const uint32_t c) { return (uint8_t)((c >> 8) & 0xFFu); }
|
|
|
|
static inline constexpr uint8_t image_get_bgra_blue(const uint32_t c) { return (uint8_t)(c & 0xFFu); }
|
|
|
|
static inline constexpr uint8_t image_get_bgra_alpha(const uint32_t c) { return (uint8_t)(c >> 24); }
|
|
|
|
static inline constexpr uint32_t image_get_bgra_bgr(const uint32_t c) { return (uint32_t)(c & 0xFFFFFFu); }
|
|
|
|
static inline constexpr uint32_t image_make_bgra(const uint8_t r, const uint8_t g, const uint8_t b, const uint8_t a) {
|
|
return (uint32_t)(b) | ((uint32_t)(g) << 8) | ((uint32_t)(r) << 16) | ((uint32_t)(a) << 24);
|
|
}
|
|
|
|
static inline constexpr int image_scale_5bits_to_8bits(const int v) { return (v << 3) | (v >> 2); }
|
|
|
|
static inline constexpr int image_scale_6bits_to_8bits(const int v) { return (v << 2) | (v >> 4); }
|
|
|
|
static inline constexpr uint32_t image_swap_red_blue(const uint32_t clr) {
|
|
return ((clr & 0xFF00FF00u) | ((clr & 0x00FF0000u) >> 16) | ((clr & 0x000000FFu) << 16));
|
|
}
|
|
|
|
static inline constexpr uint8_t image_clamp_color_component(const int n) { return n < 0 ? 0 : n > 255 ? 255 : n; }
|
|
|
|
static inline float image_calculate_rgb_distance(const uint8_t r1, const uint8_t g1, const uint8_t b1, const uint8_t r2, const uint8_t g2, const uint8_t b2) {
|
|
auto delta_r = (float)r2 - (float)r1;
|
|
auto delta_g = (float)g2 - (float)g1;
|
|
auto delta_b = (float)b2 - (float)b1;
|
|
|
|
return sqrtf(delta_r * delta_r + delta_g * delta_g + delta_b * delta_b);
|
|
}
|