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digital signals cleanup

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This commit is contained in:
Evan Pezent 2020-05-05 14:24:19 -05:00
parent 8253189fc8
commit 762660ddcc
3 changed files with 33 additions and 57 deletions
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4
implot.cpp
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@ -49,7 +49,7 @@ ImPlotStyle::ImPlotStyle() {
MarkerWeight = 1; MarkerWeight = 1;
ErrorBarSize = 5; ErrorBarSize = 5;
ErrorBarWeight = 1.5; ErrorBarWeight = 1.5;
DigitalBitHeight = 7; DigitalBitHeight = 8;
Colors[ImPlotCol_Line] = IM_COL_AUTO; Colors[ImPlotCol_Line] = IM_COL_AUTO;
Colors[ImPlotCol_Fill] = IM_COL_AUTO; Colors[ImPlotCol_Fill] = IM_COL_AUTO;
@ -1469,7 +1469,7 @@ static const ImPlotStyleVarInfo GPlotStyleVarInfo[] =
{ ImGuiDataType_Float, 1, (ImU32)IM_OFFSETOF(ImPlotStyle, MarkerWeight) }, // ImPlotStyleVar_MarkerWeight { ImGuiDataType_Float, 1, (ImU32)IM_OFFSETOF(ImPlotStyle, MarkerWeight) }, // ImPlotStyleVar_MarkerWeight
{ ImGuiDataType_Float, 1, (ImU32)IM_OFFSETOF(ImPlotStyle, ErrorBarSize) }, // ImPlotStyleVar_ErrorBarSize { ImGuiDataType_Float, 1, (ImU32)IM_OFFSETOF(ImPlotStyle, ErrorBarSize) }, // ImPlotStyleVar_ErrorBarSize
{ ImGuiDataType_Float, 1, (ImU32)IM_OFFSETOF(ImPlotStyle, ErrorBarWeight) }, // ImPlotStyleVar_ErrorBarWeight { ImGuiDataType_Float, 1, (ImU32)IM_OFFSETOF(ImPlotStyle, ErrorBarWeight) }, // ImPlotStyleVar_ErrorBarWeight
{ ImGuiDataType_S32, 1, (ImU32)IM_OFFSETOF(ImPlotStyle, DigitalBitHeight) } // ImPlotStyleVar_DigitalBitHeight { ImGuiDataType_Float, 1, (ImU32)IM_OFFSETOF(ImPlotStyle, DigitalBitHeight) } // ImPlotStyleVar_DigitalBitHeight
}; };
static const ImPlotStyleVarInfo* GetPlotStyleVarInfo(ImPlotStyleVar idx) static const ImPlotStyleVarInfo* GetPlotStyleVarInfo(ImPlotStyleVar idx)

4
implot.h
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@ -88,7 +88,7 @@ enum ImPlotStyleVar_ {
ImPlotStyleVar_MarkerWeight, // float, outline weight of markers in pixels ImPlotStyleVar_MarkerWeight, // float, outline weight of markers in pixels
ImPlotStyleVar_ErrorBarSize, // float, error bar whisker width in pixels ImPlotStyleVar_ErrorBarSize, // float, error bar whisker width in pixels
ImPlotStyleVar_ErrorBarWeight, // float, error bar whisker weight in pixels ImPlotStyleVar_ErrorBarWeight, // float, error bar whisker weight in pixels
ImPlotStyleVar_DigitalBitHeight, // int, digital channels bit height (at 1) ImPlotStyleVar_DigitalBitHeight, // float, digital channels bit height (at 1)
ImPlotStyleVar_COUNT ImPlotStyleVar_COUNT
}; };
@ -122,7 +122,7 @@ struct ImPlotStyle {
float MarkerWeight; // = 1, outline weight of markers in pixels float MarkerWeight; // = 1, outline weight of markers in pixels
float ErrorBarSize; // = 5, error bar whisker width in pixels float ErrorBarSize; // = 5, error bar whisker width in pixels
float ErrorBarWeight; // = 1.5, error bar whisker weight in pixels float ErrorBarWeight; // = 1.5, error bar whisker weight in pixels
int DigitalBitHeight; // = 7, digital channels bit height (at 1) float DigitalBitHeight; // = 8, digital channels bit height (at y = 1.0f)
ImVec4 Colors[ImPlotCol_COUNT]; // array of plot specific colors ImVec4 Colors[ImPlotCol_COUNT]; // array of plot specific colors
ImPlotStyle(); ImPlotStyle();
}; };

82
implot_demo.cpp
View File

@ -48,7 +48,7 @@ struct ScrollingData {
} }
void Erase() { void Erase() {
if (Data.size() > 0) { if (Data.size() > 0) {
Data.clear(); Data.shrink(0);
Offset = 0; Offset = 0;
} }
} }
@ -520,22 +520,23 @@ void ShowImPlotDemoWindow(bool* p_open) {
} }
} }
if (ImGui::CollapsingHeader("Digital")) { if (ImGui::CollapsingHeader("Digital and Analog Signals")) {
static int bitHeight = 7;
ImGui::SetNextItemWidth(100);
ImGui::DragInt("Bit Hieght", &bitHeight, 0.2, 5, 50);
/// Set the X axis range of the next plot. Call right before BeginPlot(). If ImGuiCond_Always is used, the axis will be locked.
//void SetNextPlotRangeX(float x_min, float x_max, ImGuiCond cond = ImGuiCond_Once);
static bool paused = false; static bool paused = false;
#define K_PLOT_DIGITAL_CH_COUNT 8 #define K_PLOT_DIGITAL_CH_COUNT 4
#define K_PLOT_ANALOG_CH_COUNT 8 #define K_PLOT_ANALOG_CH_COUNT 4
static ScrollingData dataDigital[K_PLOT_DIGITAL_CH_COUNT]; static ScrollingData dataDigital[K_PLOT_DIGITAL_CH_COUNT];
static ScrollingData dataAnalog[K_PLOT_ANALOG_CH_COUNT]; static ScrollingData dataAnalog[K_PLOT_ANALOG_CH_COUNT];
static bool showDigital[K_PLOT_DIGITAL_CH_COUNT]; static bool showDigital[K_PLOT_DIGITAL_CH_COUNT];
static bool showAnalog[K_PLOT_ANALOG_CH_COUNT]; static bool showAnalog[K_PLOT_ANALOG_CH_COUNT];
ImGui::BulletText("Drag data items from the left column onto the plot."); ImGui::BulletText("You can plot digital and analog signals on the same plot.");
ImGui::BulletText("Digital signals do not respond to Y drag and zoom, so that");
ImGui::Indent();
ImGui::Text("you can drag analog signals over the rising/falling digital edge.");
ImGui::Unindent();
static float bitHeight = 8;
ImGui::BeginGroup(); ImGui::BeginGroup();
if (ImGui::Button("Clear", {100, 0})) { if (ImGui::Button("Clear", {100, 0})) {
for (int i = 0; i < K_PLOT_DIGITAL_CH_COUNT; ++i) for (int i = 0; i < K_PLOT_DIGITAL_CH_COUNT; ++i)
@ -545,10 +546,12 @@ void ShowImPlotDemoWindow(bool* p_open) {
} }
if (ImGui::Button(paused ? "Resume" : "Pause", {100,0})) if (ImGui::Button(paused ? "Resume" : "Pause", {100,0}))
paused = !paused; paused = !paused;
ImGui::SetNextItemWidth(100);
ImGui::DragFloat("##Bit Height", &bitHeight, 1, 5, 25, "%.0f px");
ImGui::Separator(); ImGui::Separator();
for (int i = 0; i < K_PLOT_DIGITAL_CH_COUNT; ++i) { for (int i = 0; i < K_PLOT_DIGITAL_CH_COUNT; ++i) {
char label[32]; char label[32];
sprintf(label, "digital_data_%d", i); sprintf(label, "digital_%d", i);
ImGui::Checkbox(label, &showDigital[i]); ImGui::Checkbox(label, &showDigital[i]);
if (ImGui::BeginDragDropSource(ImGuiDragDropFlags_None)) { if (ImGui::BeginDragDropSource(ImGuiDragDropFlags_None)) {
ImGui::SetDragDropPayload("DND_DIGITAL_PLOT", &i, sizeof(int)); ImGui::SetDragDropPayload("DND_DIGITAL_PLOT", &i, sizeof(int));
@ -558,7 +561,7 @@ void ShowImPlotDemoWindow(bool* p_open) {
} }
for (int i = 0; i < K_PLOT_ANALOG_CH_COUNT; ++i) { for (int i = 0; i < K_PLOT_ANALOG_CH_COUNT; ++i) {
char label[32]; char label[32];
sprintf(label, "analog_data_%d", i); sprintf(label, "analog_%d", i);
ImGui::Checkbox(label, &showAnalog[i]); ImGui::Checkbox(label, &showAnalog[i]);
if (ImGui::BeginDragDropSource(ImGuiDragDropFlags_None)) { if (ImGui::BeginDragDropSource(ImGuiDragDropFlags_None)) {
ImGui::SetDragDropPayload("DND_ANALOG_PLOT", &i, sizeof(int)); ImGui::SetDragDropPayload("DND_ANALOG_PLOT", &i, sizeof(int));
@ -569,69 +572,42 @@ void ShowImPlotDemoWindow(bool* p_open) {
ImGui::EndGroup(); ImGui::EndGroup();
ImGui::SameLine(); ImGui::SameLine();
static float t = 0; static float t = 0;
if (true) { if (!paused) {
t += ImGui::GetIO().DeltaTime; t += ImGui::GetIO().DeltaTime;
//digital signal values //digital signal values
int i = 0; int i = 0;
if (showDigital[i]) if (showDigital[i])
dataDigital[i].AddPoint(t, sin(t) > 0.45); dataDigital[i].AddPoint(t, sin(2*t) > 0.45);
i++; i++;
if (showDigital[i]) if (showDigital[i])
dataDigital[i].AddPoint(t, sin(t) < 0.45); dataDigital[i].AddPoint(t, sin(2*t) < 0.45);
i++; i++;
if (showDigital[i]) if (showDigital[i])
dataDigital[i].AddPoint(t, sin(t) > 0.83); dataDigital[i].AddPoint(t, sin(2*t) > 0.83);
i++; i++;
if (showDigital[i]) if (showDigital[i])
dataDigital[i].AddPoint(t, sin(t) < 0.17); dataDigital[i].AddPoint(t, sin(2*t) < 0.17);
i++;
if (showDigital[i])
dataDigital[i].AddPoint(t, cos(t) > 0.45);
i++;
if (showDigital[i])
dataDigital[i].AddPoint(t, cos(t) < 0.45);
i++;
if (showDigital[i])
dataDigital[i].AddPoint(t, cos(t) > 0.83);
i++;
if (showDigital[i])
dataDigital[i].AddPoint(t, cos(t) < 0.17);
//Analog signal values //Analog signal values
i = 0; i = 0;
if (showAnalog[i]) if (showAnalog[i])
dataAnalog[i].AddPoint(t, sin(t)); dataAnalog[i].AddPoint(t, sin(2*t));
i++; i++;
if (showAnalog[i]) if (showAnalog[i])
dataAnalog[i].AddPoint(t, cos(t)); dataAnalog[i].AddPoint(t, cos(2*t));
i++; i++;
if (showAnalog[i]) if (showAnalog[i])
dataAnalog[i].AddPoint(t, sin(t) * cos(t)); dataAnalog[i].AddPoint(t, sin(2*t) * cos(2*t));
i++; i++;
if (showAnalog[i]) if (showAnalog[i])
dataAnalog[i].AddPoint(t, sin(t) - cos(t)); dataAnalog[i].AddPoint(t, sin(2*t) - cos(2*t));
i++;
if (showAnalog[i])
dataAnalog[i].AddPoint(t, cos(t) - sin(t));
i++;
if (showAnalog[i])
dataAnalog[i].AddPoint(t, sin(t) + cos(t));
i++;
if (showAnalog[i])
dataAnalog[i].AddPoint(t, (sin(t) + cos(t)) / (sin(t) * cos(t)));
i++;
if (showAnalog[i])
dataAnalog[i].AddPoint(t, (cos(t) + cos(t)) / (cos(t) * cos(t)));
i++;
} }
ImGui::SetNextPlotRangeX(t - 60.0f, t, paused ? ImGuiCond_Once : ImGuiCond_Always); ImGui::SetNextPlotRangeY(-1, 1);
if (ImGui::BeginPlot("##DND", NULL, NULL, ImVec2(-1,300), ImPlotFlags_Default)) { ImGui::SetNextPlotRangeX(t - 10.0f, t, paused ? ImGuiCond_Once : ImGuiCond_Always);
if (ImGui::BeginPlot("##Digital", NULL, NULL, ImVec2(-1,300), ImPlotFlags_Default)) {
for (int i = 0; i < K_PLOT_DIGITAL_CH_COUNT; ++i) { for (int i = 0; i < K_PLOT_DIGITAL_CH_COUNT; ++i) {
if (showDigital[i]) { if (showDigital[i]) {
char label[32]; char label[32];
sprintf(label, "digital_data_%d", i); sprintf(label, "digital_%d", i);
ImGui::PushPlotStyleVar(ImPlotStyleVar_DigitalBitHeight, bitHeight); ImGui::PushPlotStyleVar(ImPlotStyleVar_DigitalBitHeight, bitHeight);
ImGui::PlotDigital(label, &dataDigital[i].Data[0].x, &dataDigital[i].Data[0].y, dataDigital[i].Data.size(), dataDigital[i].Offset, 2 * sizeof(float)); ImGui::PlotDigital(label, &dataDigital[i].Data[0].x, &dataDigital[i].Data[0].y, dataDigital[i].Data.size(), dataDigital[i].Offset, 2 * sizeof(float));
ImGui::PopPlotStyleVar(); ImGui::PopPlotStyleVar();
@ -640,7 +616,7 @@ void ShowImPlotDemoWindow(bool* p_open) {
for (int i = 0; i < K_PLOT_ANALOG_CH_COUNT; ++i) { for (int i = 0; i < K_PLOT_ANALOG_CH_COUNT; ++i) {
if (showAnalog[i]) { if (showAnalog[i]) {
char label[32]; char label[32];
sprintf(label, "analog_data_%d", i); sprintf(label, "analog_%d", i);
if (dataAnalog[i].Data.size() > 0) if (dataAnalog[i].Data.size() > 0)
ImGui::Plot(label, &dataAnalog[i].Data[0].x, &dataAnalog[i].Data[0].y, dataAnalog[i].Data.size(), dataAnalog[i].Offset, 2 * sizeof(float)); ImGui::Plot(label, &dataAnalog[i].Data[0].x, &dataAnalog[i].Data[0].y, dataAnalog[i].Data.size(), dataAnalog[i].Offset, 2 * sizeof(float));
} }