| void Impala::Core::Feature::Grid::RetrievalGridBuffers | ( | BYTE * | im, | |
| BYTE ** | buf_list, | |||
| int | nWidth, | |||
| int | nHeight | |||
| ) | [inline] |
Definition at line 50 of file Grid.h.
References BYTE, mCol, mRow, and Impala::Core::Feature::Bitmap::SaveRgb2BitmapFile().
Referenced by Impala::Core::Feature::Color64::ComputeGrid().
00051 { 00052 00053 #ifdef __BITMAP_FUNC__ 00054 Core::Feature::Bitmap bitmap; 00055 bitmap.SaveRgb2BitmapFile("rgb_00.bmp", im, nWidth, nHeight); 00056 #endif 00057 00058 //-------------- 00059 // 1 | 2 00060 //-------------- 00061 // 3 | 4 00062 //-------------- 00063 for (int x=0; x<mRow; x++) 00064 { 00065 for (int y=0; y<mCol; y++) 00066 { 00067 int nFrameWidth = nWidth; 00068 int nFrameHeight = nHeight; 00069 00070 int nGridWidth = nWidth/mCol; 00071 int nGridHeight = nHeight/mRow; 00072 00073 int idx = y+x*mCol; 00074 00075 BYTE* cur_buf = buf_list[idx]; 00076 // process each row of the buffer 00077 for (int j=0; j<nGridHeight; j++) 00078 { 00079 int nCurSize = nGridWidth*3*sizeof(BYTE); 00080 00081 //memcpy(cur_buf + j*nGridWidth*3, im + j*nFrameWidth*3, nCurSize); 00082 BYTE* dst = cur_buf + j*nGridWidth*3; 00083 //BYTE* src = im + j*nFrameWidth*3 + (nGridWidth*3*y+x*nGridWidth*nGridHeight*3*2); 00084 int nFrameRowOffset1 = (nGridHeight * x) * nFrameWidth * 3; // three entry points 00085 int nFrameRowOffset2 = j * nFrameWidth * 3; // within one grid row 00086 int nFrameColOffset = nGridWidth * y * 3; // in column dimension 00087 00088 int nOffset = nFrameRowOffset1 + nFrameRowOffset2 + nFrameColOffset; 00089 BYTE* src = im + nOffset; 00090 memcpy(dst, src, nCurSize); 00091 } 00092 00093 //verificatiion of the buffers 00094 #ifdef __BITMAP_FUNC__ 00095 String fileName, idxStr; 00096 char index[128]; 00097 itoa(idx+1,index,10); 00098 idxStr = index; 00099 fileName = "rgb_grid_0" + idxStr + ".bmp"; 00100 00101 Core::Feature::Bitmap bitmap; 00102 bitmap.SaveRgb2BitmapFile(fileName.c_str(), cur_buf, nGridWidth, nGridHeight); 00103 #endif 00104 } 00105 } 00106 00107 }
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