/**
* \brief XXX
* \param XXX
* \return XXX
*/
DmtxImage *
dmtxImageCreate(unsigned char *pxl, int width, int height, int pack)
{
DmtxPassFail err;
DmtxImage *img;
if(pxl == NULL || width < 1 || height < 1)
return NULL;
img = (DmtxImage *)calloc(1, sizeof(DmtxImage));
if(img == NULL)
return NULL;
img->pxl = pxl;
img->width = width;
img->height = height;
img->pixelPacking = pack;
img->bitsPerPixel = GetBitsPerPixel(pack);
img->bytesPerPixel = img->bitsPerPixel/8;
img->rowPadBytes = 0;
img->rowSizeBytes = img->width * img->bytesPerPixel + img->rowPadBytes;
img->imageFlip = DmtxFlipNone;
/* Leave channelStart[] and bitsPerChannel[] with zeros from calloc */
img->channelCount = 0;
switch(pack) {
case DmtxPackCustom:
break;
case DmtxPack1bppK:
err = dmtxImageSetChannel(img, 0, 1);
return NULL; /* unsupported packing order */
/* break; */
case DmtxPack8bppK:
err = dmtxImageSetChannel(img, 0, 8);
break;
case DmtxPack16bppRGB:
case DmtxPack16bppBGR:
case DmtxPack16bppYCbCr:
err = dmtxImageSetChannel(img, 0, 5);
err = dmtxImageSetChannel(img, 5, 5);
err = dmtxImageSetChannel(img, 10, 5);
break;
case DmtxPack24bppRGB:
case DmtxPack24bppBGR:
case DmtxPack24bppYCbCr:
case DmtxPack32bppRGBX:
case DmtxPack32bppBGRX:
err = dmtxImageSetChannel(img, 0, 8);
err = dmtxImageSetChannel(img, 8, 8);
err = dmtxImageSetChannel(img, 16, 8);
break;
case DmtxPack16bppRGBX:
case DmtxPack16bppBGRX:
err = dmtxImageSetChannel(img, 0, 5);
err = dmtxImageSetChannel(img, 5, 5);
err = dmtxImageSetChannel(img, 10, 5);
break;
case DmtxPack16bppXRGB:
case DmtxPack16bppXBGR:
err = dmtxImageSetChannel(img, 1, 5);
err = dmtxImageSetChannel(img, 6, 5);
err = dmtxImageSetChannel(img, 11, 5);
break;
case DmtxPack32bppXRGB:
case DmtxPack32bppXBGR:
err = dmtxImageSetChannel(img, 8, 8);
err = dmtxImageSetChannel(img, 16, 8);
err = dmtxImageSetChannel(img, 24, 8);
break;
case DmtxPack32bppCMYK:
err = dmtxImageSetChannel(img, 0, 8);
err = dmtxImageSetChannel(img, 8, 8);
err = dmtxImageSetChannel(img, 16, 8);
err = dmtxImageSetChannel(img, 24, 8);
break;
default:
return NULL;
}
return img;
}
extern DmtxImage *
dmtxImageCreate(unsigned char *pxl, int width, int height, int pack)
{
//DmtxPassFail err;
DmtxImage *img;
if(pxl == NULL || width < 1 || height < 1)
return NULL;
img = &g_img;
if(img == NULL)
return NULL;
img->pxl = pxl;
img->width = width;
img->height = height;
img->pixelPacking = pack;
img->bitsPerPixel = GetBitsPerPixel(pack);
img->bytesPerPixel = img->bitsPerPixel >> 3;
img->rowPadBytes = 0;
img->rowSizeBytes = img->width * img->bytesPerPixel + img->rowPadBytes;
img->imageFlip = DmtxFlipNone;
img->channelCount = 0;
switch(pack) {
case DmtxPackCustom:
break;
case DmtxPack1bppK:
dmtxImageSetChannel(img, 0, 1);
return NULL; /* unsupported packing order */
/* break; */
case DmtxPack8bppK:
dmtxImageSetChannel(img, 0, 8);
break;
case DmtxPack16bppRGB:
case DmtxPack16bppBGR:
case DmtxPack16bppYCbCr:
dmtxImageSetChannel(img, 0, 5);
dmtxImageSetChannel(img, 5, 5);
dmtxImageSetChannel(img, 10, 5);
break;
case DmtxPack24bppRGB:
case DmtxPack24bppBGR:
case DmtxPack24bppYCbCr:
case DmtxPack32bppRGBX:
case DmtxPack32bppBGRX:
dmtxImageSetChannel(img, 0, 8);
dmtxImageSetChannel(img, 8, 8);
dmtxImageSetChannel(img, 16, 8);
break;
case DmtxPack16bppRGBX:
case DmtxPack16bppBGRX:
dmtxImageSetChannel(img, 0, 5);
dmtxImageSetChannel(img, 5, 5);
dmtxImageSetChannel(img, 10, 5);
break;
case DmtxPack16bppXRGB:
case DmtxPack16bppXBGR:
dmtxImageSetChannel(img, 1, 5);
dmtxImageSetChannel(img, 6, 5);
dmtxImageSetChannel(img, 11, 5);
break;
case DmtxPack32bppXRGB:
case DmtxPack32bppXBGR:
dmtxImageSetChannel(img, 8, 8);
dmtxImageSetChannel(img, 16, 8);
dmtxImageSetChannel(img, 24, 8);
break;
case DmtxPack32bppCMYK:
dmtxImageSetChannel(img, 0, 8);
dmtxImageSetChannel(img, 8, 8);
dmtxImageSetChannel(img, 16, 8);
dmtxImageSetChannel(img, 24, 8);
break;
default:
return NULL;
}
return img;
}
