osfmk/console/art/scalegear.c

   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
  10 int 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 }