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