1 BGRA转BGR
2 void BgraToBgr(BYTE *bgraData,int *bgraSize)
3 {
4 for(int i=0,j=0; j<*bgraSize; i+=3,j+=4)
5 {
6 *(bgraData+i) = *(bgraData+j);
7 *(bgraData+i+1) = *(bgraData+j+1);
8 *(bgraData+i+2) = *(bgraData+j+2);
9 }
10 *bgraSize = *bgraSize/4*3;
11 }
12
13 BGR转BGRA
14 void BgrToBgra(BYTE **bgrData,int *bgrSize)
15 {
16 int bgraSize = *bgrSize/3*4;
17 BYTE *bgraData = new BYTE[bgraSize];
18 for(int i=0, j=0; j < bgraSize; i+=3, j+=4)
19 {
20 *(bgraData+j) = *(*bgrData+i);
21 *(bgraData+j+1) = *(*bgrData+i+1);
22 *(bgraData+j+2) = *(*bgrData+i+2);
23 *(bgraData+j+3) = 0;
24 }
25 free(*bgrData);
26 *bgrData = bgraData;
27 *bgrSize = bgraSize;
28 }
