JNIEXPORT jint JNICALL Java_com_nova_novapro_MainActivity_Jpeg2Bmp
(JNIEnv *env, jobject obj)
{
char* srcfile = "/sdcard/capture/1.jpg";
char* desfile = "/sdcard/capture/1.bmp";
LOGD("Hello World");
int ret = jpeg2bmp(srcfile,100,desfile,&picInfo);
LOGD("Hello World end");
return ret;
}
// window message processing procedure
LRESULT CALLBACK WndAbout::WndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
switch(uMsg)
{
case WM_CREATE:
{
// resize window so that client area := 400x300
{
RECT cRect;
RECT wRect;
GetClientRect(hwnd, &cRect);
GetWindowRect(hwnd, &wRect);
uint32 difW = (wRect.right - wRect.left) - (cRect.right);
uint32 difH = (wRect.bottom - wRect.top) - (cRect.bottom);
MoveWindow(hwnd, wRect.left, wRect.top, difW + 400, difH + 300, TRUE);
}
EnableWindow(m_parent, FALSE);
HDC hDC = GetDC(hwnd);
int nHeight = -MulDiv(8, GetDeviceCaps(hDC, LOGPIXELSY), 72);
m_hFont = CreateFont(nHeight, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, DEFAULT_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, ANTIALIASED_QUALITY, FF_ROMAN, "Verdana");
m_BackBmp = CreateCompatibleBitmap(hDC, 400, 300);
// decompress jpeg, convert to bitmap resource
{
HRSRC hSrc = FindResource(NULL, MAKEINTRESOURCE(IDR_JPEG_ABOUT), "JPEG");
HGLOBAL hRes = LoadResource(NULL, hSrc);
uint08 *jpgData = (uint08*)LockResource(hRes);
uint32 jpgFileSize = SizeofResource(NULL, hSrc);
uint32 bmpFileSize = 0;
uint32 bmpWidth, bmpHeight;
uint08 *bmpBuff = jpeg2bmp(jpgData, jpgFileSize, &bmpFileSize, &bmpWidth, &bmpHeight);
// create bitmap
{
BITMAPINFO BmpInfo;
BmpInfo.bmiHeader.biSize = sizeof(BITMAPINFO) - sizeof(RGBQUAD);
BmpInfo.bmiHeader.biWidth = bmpWidth;
BmpInfo.bmiHeader.biHeight = 0 - (int)bmpHeight;
BmpInfo.bmiHeader.biPlanes = 1;
BmpInfo.bmiHeader.biBitCount = 24;
BmpInfo.bmiHeader.biCompression = BI_RGB;
BmpInfo.bmiHeader.biSizeImage = 0;
BmpInfo.bmiHeader.biXPelsPerMeter = 0;
BmpInfo.bmiHeader.biYPelsPerMeter = 0;
BmpInfo.bmiHeader.biClrUsed = 0;
BmpInfo.bmiHeader.biClrImportant = 0;
SetDIBits(hDC, m_BackBmp, 0, bmpHeight, bmpBuff, &BmpInfo, DIB_RGB_COLORS);
}
free(bmpBuff);
UnlockResource(hRes);
}
m_BackDC = CreateCompatibleDC(hDC);
m_OrigBmp = (HBITMAP)SelectObject(m_BackDC, m_BackBmp);
ReleaseDC(hwnd, hDC);
SetClassLong(hwnd, GCL_HICON, (LONG)LoadIcon(GetModuleHandle(NULL), MAKEINTRESOURCE(IDI_CXBX)));
}
break;
case WM_PAINT:
{
PAINTSTRUCT ps;
BeginPaint(hwnd, &ps);
HDC hDC = GetDC(hwnd);
HGDIOBJ OrgObj = SelectObject(hDC, m_hFont);
// draw bitmap
BitBlt(hDC, 0, 0, 400, 300, m_BackDC, 0, 0, SRCCOPY);
SelectObject(hDC, OrgObj);
if(hDC != NULL)
ReleaseDC(hwnd, hDC);
EndPaint(hwnd, &ps);
}
break;
case WM_LBUTTONUP:
SendMessage(hwnd, WM_CLOSE, 0, 0);
break;
case WM_CLOSE:
EnableWindow(m_parent, TRUE);
DestroyWindow(hwnd);
break;
case WM_DESTROY:
DeleteObject(m_hFont);
PostQuitMessage(0);
break;
default:
return DefWindowProc(hwnd, uMsg, wParam, lParam);
}
return 0;
}
