int litehtml::document::cvt_units(css_length& val, int fontSize) const {
if (val.is_predefined()
|| !val.is_predefined() && val.units() == css_units_percentage) {
return 0;
}
int ret = 0;
switch (val.units()) {
case css_units_px:
ret = (int) val.val();
break;
case css_units_em:
ret = round_f(val.val() * fontSize);
val.set_value((float) ret, css_units_px);
break;
case css_units_pt:
ret = m_container->pt_to_px((int) val.val());
val.set_value((float) ret, css_units_px);
break;
case css_units_in:
ret = m_container->pt_to_px((int) (val.val() * 72));
val.set_value((float) ret, css_units_px);
break;
case css_units_cm:
ret = m_container->pt_to_px((int) (val.val() * 0.3937 * 72));
val.set_value((float) ret, css_units_px);
break;
case css_units_mm:
ret = m_container->pt_to_px((int) (val.val() * 0.3937 * 72) / 10);
val.set_value((float) ret, css_units_px);
break;
}
return ret;
}
void litehtml::table_grid::distribute_width( int width, int start, int end, table_column_accessor* acc )
{
if(!(start >= 0 && start < m_cols_count && end >= 0 && end < m_cols_count))
{
return;
}
int cols_width = 0;
for(int col = start; col <= end; col++)
{
cols_width += m_columns[col].max_width;
}
int add = width / (end - start + 1);
int added_width = 0;
for(int col = start; col <= end; col++)
{
if(cols_width)
{
add = round_f( (float) width * ((float) m_columns[col].max_width / (float) cols_width) );
}
added_width += add;
acc->get(m_columns[col]) += add;
}
if(added_width < width)
{
acc->get(m_columns[start]) += width - added_width;
}
}
/**
**************************************************************************
* Copies float plane to byte plane (with clamp)
*
* \param ImgSrc [IN] - Source float plane
* \param StrideF [IN] - Source plane stride
* \param ImgDst [OUT] - Destination byte plane
* \param StrideB [IN] - Destination plane stride
* \param Size [IN] - Size of area to copy
*
* \return None
*/
void CopyFloat2Byte(float *ImgSrc, int StrideF, byte *ImgDst, int StrideB, ROI Size)
{
for (int i=0; i<Size.height; i++)
{
for (int j=0; j<Size.width; j++)
{
ImgDst[i*StrideB+j] = (byte)clamp_0_255((int)(round_f(ImgSrc[i*StrideF+j])));
}
}
}
int main()
{
float f;
int d;
printf("Enter the float: ");
scanf("%f",&f);
printf("Enter the place of decimal to round off: ");
scanf("%d",&d);
printf("Ans: %.*f \n",d,round_f(f,d));
return 0;
}
/**
**************************************************************************
* Performs in-place quantization of given coefficients plane using
* predefined quantization matrices (float elements)
*
* \param fSrcDst [IN/OUT] - Coefficients plane
* \param Stride [IN] - Stride of SrcDst
* \param Size [IN] - Size of the plane
*
* \return None
*/
void quantizeGoldFloat(float* fSrcDst, int Stride, ROI Size)
{
//perform block wise in-place quantization using Q
//Q(A) = round(A ./ Q) .* Q;
for (int i=0; i<Size.height; i++)
{
for (int j=0; j<Size.width; j++)
{
int qx = j % BLOCK_SIZE;
int qy = i % BLOCK_SIZE;
float quantized = round_f(fSrcDst[i*Stride+j] / Q[(qy<<BLOCK_SIZE_LOG2)+qx]);
fSrcDst[i*Stride+j] = quantized * Q[(qy<<BLOCK_SIZE_LOG2)+qx];
}
}
}
HRESULT convert_to_int16(enum AVSampleFormat avsf, WORD nChannels, DWORD nSamples, BYTE* pIn, int16_t* pOut)
{
size_t allsamples = nSamples * nChannels;
switch (avsf) {
case AV_SAMPLE_FMT_U8:
for (size_t i = 0; i < allsamples; ++i) {
*pOut++ = (int16_t)(*(int8_t*)pIn ^ 0x80) << 8;
pIn += sizeof(uint8_t);
}
break;
case AV_SAMPLE_FMT_S16:
memcpy(pOut, pIn, allsamples * sizeof(int16_t));
break;
case AV_SAMPLE_FMT_S32:
for (size_t i = 0; i < allsamples; ++i) {
*pOut++ = *(int16_t*)(pIn + sizeof(int16_t)); // read the high bits only
pIn += sizeof(int32_t);
}
break;
case AV_SAMPLE_FMT_FLT:
for (size_t i = 0; i < allsamples; ++i) {
float f = *(float*)pIn;
limit(-1, f, F16MAX);
*pOut++ = (int16_t)round_f(f * INT16_PEAK);
pIn += sizeof(float);
}
break;
case AV_SAMPLE_FMT_DBL:
for (size_t i = 0; i < allsamples; ++i) {
float f = (float) * (double*)pIn;
limit(-1, f, F16MAX);
*pOut++ = (int16_t)round_f(f * INT16_PEAK);
pIn += sizeof(double);
}
break;
// planar
case AV_SAMPLE_FMT_U8P:
for (size_t i = 0; i < nSamples; ++i) {
for (int ch = 0; ch < nChannels; ++ch) {
int8_t b = ((int8_t*)pIn)[nSamples * ch + i];
*pOut++ = (int16_t)(b ^ 0x80) << 8;
}
}
break;
case AV_SAMPLE_FMT_S16P:
for (size_t i = 0; i < nSamples; ++i) {
for (int ch = 0; ch < nChannels; ++ch) {
*pOut++ = ((int16_t*)pIn)[nSamples * ch + i];
}
}
break;
case AV_SAMPLE_FMT_S32P:
for (size_t i = 0; i < nSamples; ++i) {
for (int ch = 0; ch < nChannels; ++ch) {
*pOut++ = *(int16_t*)(pIn + (nSamples * ch + i) * sizeof(int32_t) + sizeof(int16_t)); // read the high bits only
}
}
break;
case AV_SAMPLE_FMT_FLTP:
for (size_t i = 0; i < nSamples; ++i) {
for (int ch = 0; ch < nChannels; ++ch) {
float f = ((float*)pIn)[nSamples * ch + i];
limit(-1, f, F16MAX);
*pOut++ = (int16_t)round_f(f * INT16_PEAK);
}
}
break;
case AV_SAMPLE_FMT_DBLP:
for (size_t i = 0; i < nSamples; ++i) {
for (int ch = 0; ch < nChannels; ++ch) {
float f = (float)((double*)pIn)[nSamples * ch + i];
limit(-1, f, F16MAX);
*pOut++ = (int16_t)round_f(f * INT16_PEAK);
}
}
break;
default:
return E_INVALIDARG;
}
return S_OK;
}
int round_d(double x){ return round_f((float)x); }
void litehtml::table_grid::distribute_width( int width, int start, int end )
{
if(!(start >= 0 && start < m_cols_count && end >= 0 && end < m_cols_count))
{
return;
}
std::vector<table_column*> distribute_columns;
for(int step = 0; step < 3; step++)
{
distribute_columns.clear();
switch(step)
{
case 0:
{
// distribute between the columns with width == auto
for(int col = start; col <= end; col++)
{
if(m_columns[col].css_width.is_predefined())
{
distribute_columns.push_back(&m_columns[col]);
}
}
}
break;
case 1:
{
// distribute between the columns with percents
for(int col = start; col <= end; col++)
{
if(!m_columns[col].css_width.is_predefined() && m_columns[col].css_width.units() == css_units_percentage)
{
distribute_columns.push_back(&m_columns[col]);
}
}
}
break;
case 2:
{
//well distribute between all columns
for(int col = start; col <= end; col++)
{
distribute_columns.push_back(&m_columns[col]);
}
}
break;
}
int added_width = 0;
if(!distribute_columns.empty() || step == 2)
{
int cols_width = 0;
for(std::vector<table_column*>::iterator col = distribute_columns.begin(); col != distribute_columns.end(); col++)
{
cols_width += (*col)->max_width - (*col)->min_width;
}
if(cols_width)
{
int add = width / (int) distribute_columns.size();
for(std::vector<table_column*>::iterator col = distribute_columns.begin(); col != distribute_columns.end(); col++)
{
add = round_f( (float) width * ((float) ((*col)->max_width - (*col)->min_width) / (float) cols_width) );
if((*col)->width + add >= (*col)->min_width)
{
(*col)->width += add;
added_width += add;
} else
{
added_width += ((*col)->width - (*col)->min_width) * (add / abs(add));
(*col)->width = (*col)->min_width;
}
}
if(added_width < width && step)
{
distribute_columns.front()->width += width - added_width;
added_width = width;
}
} else
{
distribute_columns.back()->width += width;
added_width = width;
}
}
if(added_width == width)
{
break;
} else
{
width -= added_width;
}
}
}
