/** \fn GalleryDatabaseHelper::InsertData(ImageMetadata *)
* \brief Inserts either a new directory or file in the database
* \param im Information of the given item
* \return void
*/
void GalleryDatabaseHelper::InsertData(ImageMetadata *im)
{
if (!im)
return;
if (im->m_type == kSubDirectory || im->m_type == kUpDirectory)
InsertDirectory(im);
if (im->m_type == kImageFile || im->m_type == kVideoFile)
InsertFile(im);
}
void ExtractValuesFromImageFile(CHAR * szImageFile, void ** ppData,
DWORD dwStride, DWORD * pdwImageWidth, DWORD * pdwImageHeight)
{
CHAR file[MAX_PATH];
InsertDirectory(g_szFileDir, szImageFile, file);
D3DX10_IMAGE_INFO imageInfo;
D3DX10GetImageInfoFromFileA(file, 0, &imageInfo, 0);
DWORD width = imageInfo.Width;
if (pdwImageWidth) *pdwImageWidth = width;
DWORD height = imageInfo.Height;
if (pdwImageHeight) *pdwImageHeight = height;
D3DX10_IMAGE_LOAD_INFO loadInfo;
loadInfo.Width = width;
loadInfo.Height = height;
loadInfo.Depth = imageInfo.Depth;
loadInfo.FirstMipLevel = 0;
loadInfo.MipLevels = imageInfo.MipLevels;
loadInfo.Usage = D3D10_USAGE_STAGING;
loadInfo.BindFlags = 0;
loadInfo.CpuAccessFlags = D3D10_CPU_ACCESS_READ;
loadInfo.MiscFlags = 0;
loadInfo.Format = imageInfo.Format;
loadInfo.Filter = D3DX10_FILTER_NONE;
loadInfo.MipFilter = D3DX10_FILTER_NONE;
loadInfo.pSrcInfo = 0;
ID3D10Texture2D * tex;
if (FAILED(D3DX10CreateTextureFromFileA(g_pD3DDevice, file, &loadInfo, 0, (ID3D10Resource**)&tex, NULL))) {
DxUtSendErrorEx("ExtractValuesFromImageFile could not load the image file.", file);
}
*ppData = new CHAR[dwStride*width*height];
D3D10_MAPPED_TEXTURE2D map;
tex->Map(0, D3D10_MAP_READ, 0, &map);
BYTE * ar = (BYTE*)map.pData;
for (DWORD i=0; i<height; i++) {
DWORD rowStart1 = i*dwStride*width;
DWORD rowStart2 = i*dwStride*map.RowPitch/4;
for (DWORD j=0; j<dwStride*width; j++) {
((BYTE*)(*ppData))[rowStart1 + j] = ar[rowStart2 + j];
}
}
tex->Unmap(0);
ReleaseX(tex);
}
