FIBITMAP *DLL_CALLCONV
FIA_Binary3x3Closing (FIBITMAP * src)
{
const double vals[9]={1,1,1,1,1,1,1,1,1};
FilterKernel kernel = FIA_NewKernel(1, 1, vals, 9.0);
FIABITMAP *dst_FIA = FIA_SetBorder(src, 1, 1, BorderType_Constant, 0);
FIBITMAP *dst = FIA_BinaryClosing(dst_FIA, kernel);
FIA_Unload (dst_FIA);
return dst;
}
FIBITMAP *DLL_CALLCONV
FIA_BinaryOuterBorder (FIBITMAP * src)
{
const double vals[9]={1,1,1,1,1,1,1,1,1};
FilterKernel kernel = FIA_NewKernel(1, 1, vals, 9.0);
FIABITMAP *dst_FIA = FIA_SetBorder(src, 1, 1, BorderType_Constant, 0);
FIBITMAP *dst = FIA_BinaryDilation(dst_FIA, kernel);
FIA_Unload (dst_FIA);
// FIA_InPlaceConvertToInt32Type (&dst, 0);
// FIA_SubtractGreyLevelImages(dst, src);
// FIA_InPlaceConvertToStandardType(&dst, 0);
FIA_Subtract(dst, src);
return dst;
}
FIBITMAP *DLL_CALLCONV
FIA_BinaryClosing (FIABITMAP * src, FilterKernel kernel)
{
// Dialation followed by a erosion.
FIBITMAP *tmp = FIA_BinaryDilation (src, kernel);
FIABITMAP *border_dib = FIA_SetBorder (tmp,
kernel.x_radius, kernel.y_radius, BorderType_Constant,
0.0);
FreeImage_Unload (tmp);
tmp = FIA_BinaryErosion (border_dib, kernel);
FIA_Unload (border_dib);
return tmp;
};
static void
TestFIA_ErosionTest(CuTest* tc)
{
const char *file = TEST_DATA_DIR "\\morpholology_test.bmp";
FIBITMAP *dib1 = FIA_LoadFIBFromFile(file);
CuAssertTrue(tc, dib1 != NULL);
FIBITMAP *threshold_dib = FreeImage_Threshold(dib1, 20);
CuAssertTrue(tc, threshold_dib != NULL);
FIBITMAP *threshold_8bit_dib = FreeImage_ConvertTo8Bits(threshold_dib);
CuAssertTrue(tc, threshold_8bit_dib != NULL);
FIABITMAP *border_dib = FIA_SetBorder(threshold_8bit_dib, 2, 2
, BorderType_Constant, 0.0);
PROFILE_START("ErosionFilter");
FilterKernel kernel = FIA_NewKernel(2, 2, kernel_values, 1.0);
FIBITMAP* result_dib = FIA_BinaryErosion(border_dib, kernel);
CuAssertTrue(tc, result_dib != NULL);
PROFILE_STOP("ErosionFilter");
FIA_SaveFIBToFile(result_dib, TEST_DATA_OUTPUT_DIR "\\erosion_result.jpg", BIT24);
result_dib = FIA_BinaryInnerBorder(threshold_8bit_dib);
FIA_SimpleSaveFIBToFile(result_dib, TEST_DATA_OUTPUT_DIR "morphology/inner_border_result.bmp");
FreeImage_Unload(dib1);
FreeImage_Unload(threshold_dib);
FreeImage_Unload(threshold_8bit_dib);
FIA_Unload(border_dib);
FreeImage_Unload(result_dib);
}
static void
TestFIA_ClosingTest(CuTest* tc)
{
const char *file = TEST_DATA_DIR "\\morpholology_test.bmp";
FIBITMAP *dib1 = FIA_LoadFIBFromFile(file);
CuAssertTrue(tc, dib1 != NULL);
FIBITMAP *threshold_dib = FreeImage_Threshold(dib1, 20);
CuAssertTrue(tc, threshold_dib != NULL);
FIBITMAP *threshold_8bit_dib = FreeImage_ConvertTo8Bits(threshold_dib);
CuAssertTrue(tc, threshold_8bit_dib != NULL);
FIABITMAP *border_dib = FIA_SetBorder(threshold_8bit_dib, 2, 2
, BorderType_Constant, 0.0);
FilterKernel kernel = FIA_NewKernel(2, 2, kernel_values, 1.0);
FIBITMAP* result_dib = FIA_BinaryClosing(border_dib, kernel);
CuAssertTrue(tc, result_dib != NULL);
FIA_SaveFIBToFile(result_dib, TEST_DATA_OUTPUT_DIR "\\closing_result.jpg", BIT24);
// Test of convinience 3x3 function
result_dib = FIA_Binary3x3Closing(threshold_8bit_dib);
FIA_SimpleSaveFIBToFile(result_dib, TEST_DATA_OUTPUT_DIR "morphology/closing3x3_result.bmp");
FreeImage_Unload(dib1);
FreeImage_Unload(threshold_dib);
FreeImage_Unload(threshold_8bit_dib);
FIA_Unload(border_dib);
FreeImage_Unload(result_dib);
}