72 lines
1.4 KiB
C++
72 lines
1.4 KiB
C++
#define WIN32_LEAN_AND_MEAN
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#include <Unknwnbase.h>
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#include "JNI\capturemanager_classes_StrideForBitmapNative.h"
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#include "CaptureManagerTypeInfo.h"
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#include "ComPtrCustom.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Class: capturemanager_classes_StrideForBitmapNative
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* Method: getStrideForBitmap
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* Signature: (JLjava/lang/String;I)I
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*/
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JNIEXPORT jint JNICALL Java_capturemanager_classes_StrideForBitmapNative_getStrideForBitmap
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(JNIEnv * aPtrEnv, jobject aClass, jlong aPtr, jstring aStringMediaType, jint aWidthInPixels)
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{
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jint lresult = 0;
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do
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{
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if (aPtr == 0)
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break;
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if (aPtrEnv == nullptr)
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break;
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if (aStringMediaType == nullptr)
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break;
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IUnknown* lPtrIUnknown = (IUnknown*)aPtr;
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CComPtrCustom<IStrideForBitmap> lObject;
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HRESULT lhr = lPtrIUnknown->QueryInterface(IID_PPV_ARGS(&lObject));
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if (FAILED(lhr))
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break;
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const jchar *lPtrStringContainerTypeGUID = aPtrEnv->GetStringChars(aStringMediaType, nullptr);
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CLSID lMediaTypeGUID;
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lhr = CLSIDFromString((wchar_t*)lPtrStringContainerTypeGUID, &lMediaTypeGUID);
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if (FAILED(lhr))
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break;
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LONG lStride = 0;
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lhr = lObject->getStrideForBitmap(
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lMediaTypeGUID,
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aWidthInPixels,
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&lStride);
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if (FAILED(lhr))
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break;
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lresult = (jint)lStride;
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} while (false);
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return lresult;
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}
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#ifdef __cplusplus
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}
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#endif |