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#include "constellation.h"
#include <cstring>
#include "core/style.h"
#include "common/dsp/block.h"
namespace widgets
{
ConstellationViewer::ConstellationViewer(float hscale, float vscale, int constellation_size) : d_constellation_size(constellation_size), d_hscale(hscale), d_vscale(vscale)
{
}
ConstellationViewer::~ConstellationViewer()
{
}
void ConstellationViewer::pushComplexScaled(complex_t *buffer, int size, float scale)
{
int to_copy = std::min<int>(CONST_SIZE, size);
int to_move = size >= CONST_SIZE ? 0 : CONST_SIZE - size;
if (to_move > 0)
std::memmove(&sample_buffer_complex_float[size], sample_buffer_complex_float, to_move * sizeof(complex_t));
for (int i = 0; i < to_copy; i++)
sample_buffer_complex_float[i] = buffer[i] * scale;
}
void ConstellationViewer::pushComplex(complex_t *buffer, int size)
{
int to_copy = std::min<int>(CONST_SIZE, size);
int to_move = size >= CONST_SIZE ? 0 : CONST_SIZE - size;
if (to_move > 0)
std::memmove(&sample_buffer_complex_float[size], sample_buffer_complex_float, to_move * sizeof(complex_t));
std::memcpy(sample_buffer_complex_float, buffer, to_copy * sizeof(complex_t));
}
void ConstellationViewer::pushFloatAndGaussian(float *buffer, int size)
{
int to_copy = std::min<int>(CONST_SIZE, size);
int to_move = size >= CONST_SIZE ? 0 : CONST_SIZE - size;
if (to_move > 0)
std::memmove(&sample_buffer_complex_float[size], sample_buffer_complex_float, to_move * sizeof(complex_t));
for (int i = 0; i < to_copy; i++)
sample_buffer_complex_float[i] = complex_t(buffer[i], rng.gasdev());
}
void ConstellationViewer::pushSofttAndGaussian(int8_t *buffer, float scale, int size)
{
int to_copy = std::min<int>(CONST_SIZE, size);
int to_move = size >= CONST_SIZE ? 0 : CONST_SIZE - size;
if (to_move > 0)
std::memmove(&sample_buffer_complex_float[size], sample_buffer_complex_float, to_move * sizeof(complex_t));
for (int i = 0; i < to_copy; i++)
sample_buffer_complex_float[i] = complex_t(buffer[i] / scale, rng.gasdev());
}
void ConstellationViewer::draw()
{
ImDrawList *draw_list = ImGui::GetWindowDrawList();
ImVec2 rect_min = ImGui::GetCursorScreenPos();
ImVec2 rect_max = { rect_min.x + d_constellation_size * ui_scale, rect_min.y + d_constellation_size * ui_scale };
draw_list->AddRectFilled(rect_min, rect_max, style::theme.widget_bg);
draw_list->PushClipRect(rect_min, rect_max);
for (int i = 0; i < CONST_SIZE; i++)
{
draw_list->AddCircleFilled(ImVec2(ImGui::GetCursorScreenPos().x + ((d_constellation_size / 2) * ui_scale + sample_buffer_complex_float[i].real * (d_constellation_size / 2) * d_hscale * ui_scale),
ImGui::GetCursorScreenPos().y + ((d_constellation_size / 2) * ui_scale + sample_buffer_complex_float[i].imag * (d_constellation_size / 2) * d_vscale * ui_scale)),
2 * ui_scale * (d_constellation_size / 200.0f),
style::theme.constellation);
}
draw_list->PopClipRect();
ImGui::Dummy(ImVec2(d_constellation_size * ui_scale + 3, d_constellation_size * ui_scale + 3));
}
}
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