LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wp, LPARAM lp)
{
PAINTSTRUCT ps;
HDC hdc;
switch(msg) {
case WM_PAINT:
hdc = BeginPaint(hwnd, &ps);
DoPaint(hdc);
EndPaint(hwnd, &ps);
break;
case WM_NCHITTEST:
return HTCLIENT;
case WM_LBUTTONUP:
if ( pcp != 0 )
{
pcp->screen.x = current_target_location.x * TRANSFORMATION_UNITS_PER_PIXEL;
pcp->screen.y = current_target_location.y * TRANSFORMATION_UNITS_PER_PIXEL;
pcp->device.x = GET_X_LPARAM(lp);
pcp->device.y = GET_Y_LPARAM(lp);
}
if ( ++current_target == total_targets )
{
TRANSFORMATION_COEFFICIENTS tc;
#if 0
CalcTransformationCoefficientsSimple(&cps, &tc);
printf("%d %d %d %d %d %d %d\n",
tc.a, tc.b, tc.c, tc.d, tc.e, tc.f, tc.s);
CalcTransformationCoefficientsBetter(&cps, &tc);
printf("%d %d %d %d %d %d %d\n",
tc.a, tc.b, tc.c, tc.d, tc.e, tc.f, tc.s);
CalcTransformationCoefficientsEvenBetter(&cps, &tc);
printf("%d %d %d %d %d %d %d\n",
tc.a, tc.b, tc.c, tc.d, tc.e, tc.f, tc.s);
#endif
CalcTransformationCoefficientsBest(&cps, &tc);
printf("%d %d %d %d %d %d %d\n",
tc.a, tc.b, tc.c, tc.d, tc.e, tc.f, tc.s);
InvalidateRect(hwnd, NULL, TRUE);
UpdateWindow(hwnd);
PostQuitMessage(0);
break;
}
InvalidateRect(hwnd, NULL, TRUE);
UpdateWindow(hwnd);
break;
default:
return DefWindowProc(hwnd, msg, wp, lp);
}
return 0;
}
int
GrCalcTransform(GR_CAL_DATA * data, GR_TRANSFORM * trans)
{
return CalcTransformationCoefficientsBetter(data, trans);
}
