ref: d9fb87f3797258356992da59402a3561e4e1b955
dir: /src/pt2_helpers.h/
#pragma once #include <stdint.h> #include <stdbool.h> #include <math.h> #include "pt2_header.h" // fast 32-bit -> 16-bit clamp #define CLAMP16(i) if ((int16_t)(i) != i) i = 0x7FFF ^ (i >> 31) // fast 16-bit -> 8-bit clamp #define CLAMP8(i) if ((int8_t)(i) != i) i = 0x7F ^ (i >> 15) #define ALIGN_PTR(p, x) (((uintptr_t)(p) + ((x)-1)) & ~((x)-1)) #define MALLOC_PAD(size, pad) (malloc((size) + (pad))) #define CALLOC_PAD(size, pad) (calloc((size) + (pad), 1)) #define SWAP16(value) \ ( \ (((uint16_t)((value) & 0x00FF)) << 8) | \ (((uint16_t)((value) & 0xFF00)) >> 8) \ ) #define SWAP32(value) \ ( \ (((uint32_t)((value) & 0x000000FF)) << 24) | \ (((uint32_t)((value) & 0x0000FF00)) << 8) | \ (((uint32_t)((value) & 0x00FF0000)) >> 8) | \ (((uint32_t)((value) & 0xFF000000)) >> 24) \ ) #define SGN(x) (((x) >= 0) ? 1 : -1) #define ABS(a) (((a) < 0) ? -(a) : (a)) #define MIN(a, b) (((a) < (b)) ? (a) : (b)) #define MAX(a, b) (((a) > (b)) ? (a) : (b)) #define CLAMP(x, low, high) (((x) > (high)) ? (high) : (((x) < (low)) ? (low) : (x))) #define LERP(x, y, z) ((x) + ((y) - (x)) * (z)) #define R12(x) (((x) >> 8) & 0xF) #define G12(x) (((x) >> 4) & 0xF) #define B12(x) ((x) & 0xF) // 0..15 -> 0..255 #define R12_to_R24(x) (R12(x) * 17) #define G12_to_G24(x) (G12(x) * 17) #define B12_to_B24(x) (B12(x) * 17) #define RGB12_to_RGB24(x) ((R12_to_R24(x) << 16) | (G12_to_G24(x) << 8) | (B12_to_B24(x))) #define R24(x) (((x) >> 16) & 0xFF) #define G24(x) (((x) >> 8) & 0xFF) #define B24(x) ((x) & 0xFF) #define RGB24(r, g, b) (((r) << 16) | ((g) << 8) | (b)) void showErrorMsgBox(const char *fmt, ...); #ifdef _WIN32 // Windows usleep() implementation void usleep(uint32_t usec); void setupWin32Usleep(void); void freeWin32Usleep(void); #endif void sanitizeFilenameChar(char *chr); bool sampleNameIsEmpty(char *name); bool moduleNameIsEmpty(char *name); void updateWindowTitle(bool modified); void recalcChordLength(void);