1// 2//cc scalegear.c -framework Accelerate -g -Wall */ 3 4#include <stdio.h> 5#include <stdlib.h> 6#include <Accelerate/Accelerate.h> 7 8#include "../../../pexpert/pexpert/GearImage.h" 9 10int main(int argc, char * argv[]) 11{ 12 vImage_Buffer vs; 13 vImage_Buffer vd; 14 vImage_Error verr; 15 uint32_t i, data32; 16 uint8_t data8; 17 18 vs.width = kGearWidth * 2; 19 vs.height = kGearHeight * 2 * kGearFrames; 20 vs.rowBytes = vs.width * sizeof(uint32_t); 21 vs.data = malloc(vs.height * vs.rowBytes); 22 23 vd.width = 1.5 * vs.width; 24 vd.height = 1.5 * vs.height; 25 vd.rowBytes = vd.width * sizeof(uint32_t); 26 vd.data = malloc(vd.height * vd.rowBytes); 27 28 for (i = 0; i < vs.width * vs.height; i++) 29 { 30 data32 = gGearPict2x[i]; 31 data32 = (0xFF000000 | (data32 << 16) | (data32 << 8) | data32); 32 ((uint32_t *)vs.data)[i] = data32; 33 } 34 35 verr = vImageScale_ARGB8888(&vs, &vd, NULL, kvImageHighQualityResampling); 36 37 if (kvImageNoError != verr) exit(1); 38 39 printf("const unsigned char gGearPict3x[9*kGearFrames*kGearWidth*kGearHeight] = {"); 40 41 for (i = 0; i < vd.width * vd.height; i++) 42 { 43 data32 = ((uint32_t *)vd.data)[i]; 44 data8 = (0xFF & data32); 45 if (data32 != (0xFF000000 | (data8 << 16) | (data8 << 8) | data8)) exit(1); 46 47 if (0 == (15 & i)) printf("\n "); 48 printf("0x%02x,", data8); 49 } 50 printf("\n};\n"); 51 52 exit(0); 53} 54