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Use c++/cli type Byte instead of char so you don't have to cast C# byte[] array to unsigned byte array.

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Peter Rekdal Sunde
2015-07-09 17:23:37 +02:00
parent 2b9e06a9dd
commit 0987f6858a
1 changed files with 12 additions and 2 deletions
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14
src/bindings/csharp/openalpr-net/openalpr-net.cpp
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@@ -55,6 +55,16 @@ namespace openalprnet {
return result; return result;
} }
static std::vector<char> ToVector(array<Byte>^ src)
{
std::vector<char> result(src->Length);
pin_ptr<Byte> pin(&src[0]);
char* pch = reinterpret_cast<char*>(pin);
char *first(pch), *last(pch + src->Length);
std::copy(first, last, result.begin());
return result;
}
static cv::Mat BitmapToMat(Bitmap^ bitmap) static cv::Mat BitmapToMat(Bitmap^ bitmap)
{ {
int channels = 0; int channels = 0;
@@ -1308,7 +1318,7 @@ namespace openalprnet {
/// Recognize from byte data representing an encoded image (e.g., BMP, PNG, JPG, GIF etc). /// Recognize from byte data representing an encoded image (e.g., BMP, PNG, JPG, GIF etc).
/// </summary> /// </summary>
/// <param name="imageBuffer">Bytes representing image data</param> /// <param name="imageBuffer">Bytes representing image data</param>
AlprResultsNet^ recognize(cli::array<char>^ imageBuffer) { AlprResultsNet^ recognize(cli::array<Byte>^ imageBuffer) {
std::vector<char> p = AlprHelper::ToVector(imageBuffer); std::vector<char> p = AlprHelper::ToVector(imageBuffer);
AlprResults results = m_Impl->recognize(p); AlprResults results = m_Impl->recognize(p);
return gcnew AlprResultsNet(results); return gcnew AlprResultsNet(results);
@@ -1317,7 +1327,7 @@ namespace openalprnet {
/// <summary> /// <summary>
/// Recognize from raw pixel data /// Recognize from raw pixel data
/// </summary> /// </summary>
AlprResultsNet^ recognize(cli::array<unsigned char>^ pixelData, int bytesPerPixel, int imgWidth, int imgHeight, List<System::Drawing::Rectangle>^ regionsOfInterest) { AlprResultsNet^ recognize(cli::array<Byte>^ pixelData, int bytesPerPixel, int imgWidth, int imgHeight, List<System::Drawing::Rectangle>^ regionsOfInterest) {
unsigned char* p = AlprHelper::ToCharPtr(pixelData); unsigned char* p = AlprHelper::ToCharPtr(pixelData);
std::vector<AlprRegionOfInterest> rois = AlprHelper::ToVector(regionsOfInterest); std::vector<AlprRegionOfInterest> rois = AlprHelper::ToVector(regionsOfInterest);
AlprResults results = m_Impl->recognize(p, bytesPerPixel, imgWidth, imgHeight, rois); AlprResults results = m_Impl->recognize(p, bytesPerPixel, imgWidth, imgHeight, rois);