void spectrum_extension::refresh(const audio_chunk * p_chunk)
{
ui_extension::visualisation_host::painter_ptr ps;
p_host->create_painter(ps);
HDC dc = ps->get_device_context();
const RECT * rc_client = ps->get_area();
{
paint_background(dc, rc_client);
if (g_is_stream_active(this) && p_chunk)
{
if (!br_foreground)
br_foreground = CreateSolidBrush(cr_fore);
if (mode == MODE_BARS)
{
unsigned totalbars = rc_client->right / m_bar_width;
if (totalbars)
{
const audio_sample * p_data = p_chunk->get_data();
t_size sample_count = p_chunk->get_sample_count();
t_size channel_count = p_chunk->get_channels();
t_size i;
for(i=0;i<totalbars;i++)
{
double val = 0;
t_size starti, endi, j;
g_scale_value(sample_count, i, totalbars, starti, endi, m_scale == scale_logarithmic);
for (j=starti;j<=endi; j++)
{
if (j < sample_count)
{
double sample_val = 0;
t_size k;
for (k=0; k<channel_count; k++)
sample_val += p_data[j*channel_count + k];
sample_val *= 1.0 / channel_count;
val = max(val, sample_val);
}
}
RECT r;
r.left = 1 + i*m_bar_width;
r.right = r.left + m_bar_width - m_bar_gap;
r.bottom = rc_client->bottom ? rc_client->bottom-1 : 0;
r.top = rc_client->bottom - g_scale_value_single(val, (rc_client->bottom + 1)/2 , m_vertical_scale == scale_logarithmic)*2;
if (r.bottom>r.top)
FillRect(dc,&r,br_foreground);
}
int j;
for (j=rc_client->bottom; j>rc_client->top; j-=2)
{
RECT rc = {0, j-1, rc_client->right, j};
FillRect(dc,&rc,br_background);
}
}
}
else
{
const audio_sample * p_data = p_chunk->get_data();
t_size sample_count = p_chunk->get_sample_count();
t_size channel_count = p_chunk->get_channels();
t_size i;
for(i=0;i<(t_size)rc_client->right;i++)
{
double val = 0;
t_size starti, endi, j;
g_scale_value(sample_count, i, rc_client->right, starti, endi, m_scale == scale_logarithmic);
for (j=starti;j<=endi; j++)
{
if (j < sample_count)
{
double sample_val = 0;
t_size k;
for (k = 0; k<channel_count; k++)
sample_val += p_data[j*channel_count + k];
sample_val *= 1.0 / channel_count;
val = max(val, sample_val);
}
}
RECT r;
r.left = i;
r.right = i+1;
r.bottom = rc_client->bottom;
r.top = rc_client->bottom - g_scale_value_single (val, rc_client->bottom, m_vertical_scale == scale_logarithmic);
if (r.bottom>r.top)
FillRect(dc,&r,br_foreground);
}
}
}
}
ps.release();
}
void spectrum_extension::refresh(const audio_chunk * p_chunk)
{
ui_extension::visualisation_host::painter_ptr ps;
p_host->create_painter(ps);
HDC dc = ps->get_device_context();
const RECT * rc_client = ps->get_area();
{
/*
if (!br_background)
br_background = CreateSolidBrush(cr_back);
FillRect(dc,&rc_client,br_background);*/
paint_background(dc, rc_client);
//HPEN pn = CreatePen(PS_SOLID, 1, cr_fore);
//HPEN pn_old = SelectPen(dc, pn);
if (g_is_stream_active(this) && p_chunk)
{
if (!br_foreground)
br_foreground = CreateSolidBrush(cr_fore);
if (mode == MODE_BARS)
{
unsigned totalbars = rc_client->right / m_bar_width;
if (totalbars)
{
#if 1
const audio_sample * p_data = p_chunk->get_data();
t_size sample_count = p_chunk->get_sample_count();
t_size channel_count = p_chunk->get_channels();
t_size i;
for(i=0;i<totalbars;i++)
{
double val = 0;
t_size starti, endi, j;
g_scale_value(sample_count, i, totalbars, starti, endi, m_scale == scale_logarithmic);
for (j=starti;j<=endi; j++)
{
if (j < sample_count)
{
t_size k;
for (k=0; k<channel_count; k++)
val += p_data[j*channel_count + k];
}
}
val *= 1.0/( (endi-starti+1)*channel_count);
val *= 0.80;
if (val>1.0) val = 1.0;
RECT r;
r.left = 1 + i*m_bar_width;
r.right = r.left + m_bar_width - m_bar_gap;
r.bottom = rc_client->bottom ? rc_client->bottom-1 : 0;
r.top = g_scale_value_single(1.0-val, rc_client->bottom, m_vertical_scale == scale_logarithmic); //pfc::rint32((1.0 - val) * (rc_client->bottom));
if (r.bottom>r.top)
FillRect(dc,&r,br_foreground);
}
#else
int spread = MulDiv(1, p_chunk->get_sample_count(), totalbars);
if (spread < 1) spread = 1;
double div = 1.0 / (double) p_chunk->get_channels();
unsigned left = 1;
for(i=0;i<totalbars;i++)
{
unsigned right = left+MulDiv(1, rc_client->right-left-totalbars+i, totalbars-i);
RECT r;
r.left = left;
r.right = right;
double val = 0;
unsigned start=MulDiv(i, p_chunk->get_sample_count()-spread, totalbars),co = 0;
for (n=start;n<(start+spread);n++)
{
if (n<p_chunk->get_sample_count())
{
co++;
unsigned c;
for(c=0;c<p_chunk->get_channels();c++)
{
val += ((p_chunk->get_data()[n*p_chunk->get_channels() + c]));
}
}
}
val *= div;
if (co) val *= (1.0/(double)co);
//val = log((val/2.0) + 1.0)*2.0;
val *= 0.80;
if (val>1.0) val = 1.0;
r.bottom = rc_client->bottom > 0 ? rc_client->bottom-1 : 0;
int top = (int)( (val) * (double(r.bottom)) + 0.5);
top= r.bottom - top;
// if (top==0) top++;
/*
for (;r.bottom-1>top; r.bottom-=2)
{
r.top = r.bottom-1;
//FillRect(dc,&r,br_foreground);//LineToEx ?
MoveToEx(dc, r.left, r.top, NULL);
LineTo(dc, r.right, r.bottom);
}*/
{
RECT rc = {left, top, right, rc_client->bottom > 0 ? rc_client->bottom-1 : 0};
FillRect(dc,&rc,br_foreground);
}
left=right+1;
}
#endif
int j;
for (j=rc_client->bottom; j>rc_client->top; j-=2)
{
RECT rc = {0, j-1, rc_client->right, j};
FillRect(dc,&rc,br_background);
}
}
}
else
{
#if 1
//gdi_object_t<HPEN>::ptr_t pn = CreatePen(PS_SOLID, 1, cr_fore);
//HPEN pn_old = SelectPen(dc, pn.get());
const audio_sample * p_data = p_chunk->get_data();
t_size sample_count = p_chunk->get_sample_count();
t_size channel_count = p_chunk->get_channels();
t_size i;
for(i=0;i<(t_size)rc_client->right;i++)
{
double val = 0;
//t_size starti = pfc::rint32(start), endi = pfc::rint32(end), j;
t_size starti, endi, j;
g_scale_value(sample_count, i, rc_client->right, starti, endi, m_scale == scale_logarithmic);
for (j=starti;j<=endi; j++)
{
if (j < sample_count)
{
t_size k;
for (k=0; k<channel_count; k++)
val += p_data[j*channel_count + k];
}
}
val *= 1.0/( (endi-starti+1)*channel_count);
val *= 0.80;
if (val>1.0) val = 1.0;
RECT r;
r.left = i;
r.right = i+1;
r.bottom = rc_client->bottom;
r.top = g_scale_value_single (1.0-val, rc_client->bottom, m_vertical_scale == scale_logarithmic);//pfc::rint32((1.0 - val) * (rc_client->bottom));
if (r.bottom>r.top)
FillRect(dc,&r,br_foreground);
//MoveToEx(dc, r.left, r.bottom, NULL);
//LineTo(dc, r.left, r.top);
}
//SelectPen(dc, pn_old);
#else
int spread = MulDiv(1, p_chunk->get_sample_count(), rc_client->right);
if (spread < 1) spread = 1;
double div = 1.0 / (double) p_chunk->get_channels();
assert(rc_client->right>=0);
for(i=0;i<(unsigned)rc_client->right;i++)
{
RECT r;
r.left = i;//MulDiv(rc_client->right,n,data->spectrum_size+1);
r.right = i+1;//MulDiv(rc_client->right,n+1,data->spectrum_size+1);
// if (r.left < r.right)
double val = 0;
unsigned start=MulDiv(i, p_chunk->get_sample_count()-spread, rc_client->right),co = 0;
for (n=start;n<(start+spread);n++)
{
if (n<p_chunk->get_sample_count())
{
co++;
unsigned c;
for(c=0;c<p_chunk->get_channels();c++)
{
val += p_chunk->get_data()[n*p_chunk->get_channels() + c];
}
}
}
val *= div;
if (co) val *= (1.0/(double)co);
//val = log((val/2.0) + 1.0) * 2.0; //close to a str8 line
val *= 0.80;
if (val>1.0) val = 1.0;
r.bottom = rc_client->bottom;
r.top = (int)((1.0 - val) * (rc_client->bottom));
/*double rt = sqrt(val);
HBRUSH br_test = CreateSolidBrush(pfc::rint32((1.0-rt)*0xff + rt*(0x55)));
FillRect(dc,&r,br_test);
DeleteBrush(br_test);*/
FillRect(dc,&r,br_foreground);
}
#endif
}
}
}
ps.release();
}