/*****************************************************************************\
image:MatchSize(image2)
\*****************************************************************************/
static int imluaImageMatchSize (lua_State *L)
{
imImage *image1 = imlua_checkimage(L, 1);
imImage *image2 = imlua_checkimage(L, 2);
lua_pushboolean(L, imImageMatchSize(image1, image2));
return 1;
}
int imConvertToBitmap(const imImage* src_image, imImage* dst_image, int cpx2real, float gamma, int absolute, int cast_mode)
#endif
{
assert(src_image);
assert(dst_image);
if (!imImageMatchSize(src_image, dst_image) || !imImageIsBitmap(dst_image))
return IM_ERR_DATA;
#ifdef IM_PROCESS
int counter = imProcessCounterBegin("Building Bitmap");
#else
int counter = imCounterBegin("Building Bitmap");
#endif
int ret;
if (src_image->data_type == IM_BYTE)
{
// NO data type conversion, only color mode conversion
#ifdef IM_PROCESS
ret = imProcessConvertColorSpace(src_image, dst_image);
#else
ret = imConvertColorSpace(src_image, dst_image);
#endif
}
else
{
if (src_image->color_space == IM_RGB ||
src_image->color_space == IM_GRAY)
{
// data type conversion, but NO color mode conversion
#ifdef IM_PROCESS
ret = imProcessConvertDataType(src_image, dst_image, cpx2real, gamma, absolute, cast_mode);
#else
ret = imConvertDataType(src_image, dst_image, cpx2real, gamma, absolute, cast_mode);
#endif
}
else
{
// data type conversion AND color mode conversion
imImage* temp_image = imImageCreate(src_image->width, src_image->height, dst_image->color_space, src_image->data_type);
if (!temp_image)
ret = IM_ERR_MEM;
else
{
// first convert color_mode in the bigger precision
#ifdef IM_PROCESS
ret = imProcessConvertColorSpace(src_image, temp_image);
#else
ret = imConvertColorSpace(src_image, temp_image);
#endif
if (ret == IM_ERR_NONE)
{
// second just convert data type
#ifdef IM_PROCESS
ret = imProcessConvertDataType(temp_image, dst_image, cpx2real, gamma, absolute, cast_mode);
#else
ret = imConvertDataType(temp_image, dst_image, cpx2real, gamma, absolute, cast_mode);
#endif
}
imImageDestroy(temp_image);
}
}
}
#ifdef IM_PROCESS
imProcessCounterEnd(counter);
#else
imCounterEnd(counter);
#endif
return ret;
}
