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Update implot_demo.cpp

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ozlb 2020-04-29 17:00:19 +02:00 committed by GitHub
parent 2c957b5035
commit 3ba6dfa204
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1 changed files with 65 additions and 25 deletions
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implot_demo.cpp
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@ -384,37 +384,58 @@ void ShowImPlotDemoWindow(bool* p_open) {
ImGui::EndPlot();
}
}
//-------------------------------------------------------------------------
if (ImGui::CollapsingHeader("Drag and Drop")) {
static bool paused = false;
static bool init = true;
static ScrollingData data[10];
static bool show[10];
#define K_PLOT_ANALOG_CH_COUNT 4
#define K_PLOT_DIGITAL_CH_COUNT 8
static ScrollingData dataAnalog[K_PLOT_ANALOG_CH_COUNT];
static ScrollingData dataDigital[K_PLOT_DIGITAL_CH_COUNT];
static bool showAnalog[K_PLOT_ANALOG_CH_COUNT];
static bool showDigital[K_PLOT_DIGITAL_CH_COUNT];
if (init) {
for (int i = 0; i < 10; ++i) {
show[i] = false;
data[i].AddPoint(0, 0.25f + 0.5f * (float)rand() / float(RAND_MAX));
for (int i = 0; i < K_PLOT_ANALOG_CH_COUNT; ++i) {
showAnalog[i] = false;
dataAnalog[i].AddPoint(0, 0.25f + 0.5f * (float)rand() / float(RAND_MAX));
}
for (int i = 0; i < K_PLOT_DIGITAL_CH_COUNT; ++i) {
showDigital[i] = false;
dataDigital[i].AddPoint(0, false);
}
init = false;
}
ImGui::BulletText("Drag data items from the left column onto the plot.");
static int bitHeight = 7;
ImGui::SetNextItemWidth(100);
ImGui::DragInt("Customize Bit Hieght", &bitHeight, 0.2, 5, 50);
ImGui::BeginGroup();
if (ImGui::Button("Clear", {100, 0})) {
for (int i = 0; i < 10; ++i)
show[i] = false;
for (int i = 0; i < K_PLOT_ANALOG_CH_COUNT; ++i)
showAnalog[i] = false;
for (int i = 0; i < K_PLOT_DIGITAL_CH_COUNT; ++i)
showDigital[i] = false;
}
if (ImGui::Button(paused ? "Resume" : "Pause", {100,0}))
paused = !paused;
ImGui::Separator();
for (int i = 0; i < 10; ++i) {
char label[8];
sprintf(label, "data_%d", i);
for (int i = 0; i < K_PLOT_ANALOG_CH_COUNT; ++i) {
char label[32];
sprintf(label, "analog_data_%d", i);
ImGui::Selectable(label, false, 0, {100, 0});
if (ImGui::BeginDragDropSource(ImGuiDragDropFlags_None)) {
ImGui::SetDragDropPayload("DND_PLOT", &i, sizeof(int));
ImGui::SetDragDropPayload("DND_ANALOG_PLOT", &i, sizeof(int));
ImGui::TextUnformatted(label);
ImGui::EndDragDropSource();
}
}
for (int i = 0; i < K_PLOT_DIGITAL_CH_COUNT; ++i) {
char label[32];
sprintf(label, "digital_data_%d", i);
ImGui::Selectable(label, false, 0, {100, 0});
if (ImGui::BeginDragDropSource(ImGuiDragDropFlags_None)) {
ImGui::SetDragDropPayload("DND_DIGITAL_PLOT", &i, sizeof(int));
ImGui::TextUnformatted(label);
ImGui::EndDragDropSource();
}
@ -424,29 +445,48 @@ void ShowImPlotDemoWindow(bool* p_open) {
static float t = 0;
if (!paused) {
t += ImGui::GetIO().DeltaTime;
for (int i = 0; i < 10; ++i) {
data[i].AddPoint(t, data[i].Data.back().y + (0.005f + 0.0002f * (float)rand() / float(RAND_MAX)) * (-1 + 2 * (float)rand() / float(RAND_MAX)));
for (int i = 0; i < K_PLOT_ANALOG_CH_COUNT; ++i) {
dataAnalog[i].AddPoint(t, dataAnalog[i].Data.back().y + (0.005f + 0.0002f * (float)rand() / float(RAND_MAX)) * (-1 + 2 * (float)rand() / float(RAND_MAX)));
}
int i = 0;
dataDigital[i++].AddPoint(t, sin(t) > 0.45);
dataDigital[i++].AddPoint(t, sin(t) < 0.45);
dataDigital[i++].AddPoint(t, sin(t) > 0.83);
dataDigital[i++].AddPoint(t, sin(t) < 0.17);
}
ImGui::SetNextPlotRangeX(t - 10, t, paused ? ImGuiCond_Once : ImGuiCond_Always);
ImGui::SetNextPlotRangeX(t - 10.0f, t, paused ? ImGuiCond_Once : ImGuiCond_Always);
if (ImGui::BeginPlot("##DND", NULL, NULL, ImVec2(-1,300), ImPlotFlags_Default)) {
for (int i = 0; i < 10; ++i) {
if (show[i]) {
char label[8];
sprintf(label, "data_%d", i);
ImGui::Plot(label, &data[i].Data[0].x, &data[i].Data[0].y, data[i].Data.size(), data[i].Offset, 2 * sizeof(float));
for (int i = 0; i < K_PLOT_DIGITAL_CH_COUNT; ++i) {
if (showDigital[i]) {
char label[32];
sprintf(label, "digital_data_%d", i);
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::PopPlotStyleVar();
}
}
for (int i = 0; i < K_PLOT_ANALOG_CH_COUNT; ++i) {
if (showAnalog[i]) {
char label[32];
sprintf(label, "digital_data_%d", i);
ImGui::Plot(label, &dataAnalog[i].Data[0].x, &dataAnalog[i].Data[0].y, dataAnalog[i].Data.size(), dataAnalog[i].Offset, 2 * sizeof(float));
}
}
ImGui::EndPlot();
}
if (ImGui::BeginDragDropTarget()) {
if (const ImGuiPayload* payload = ImGui::AcceptDragDropPayload("DND_PLOT")) {
if (const ImGuiPayload* payload = ImGui::AcceptDragDropPayload("DND_ANALOG_PLOT")) {
int i = *(int*)payload->Data;
show[i] = true;
showAnalog[i] = true;
}
else if (const ImGuiPayload* payload = ImGui::AcceptDragDropPayload("DND_DIGITAL_PLOT")) {
int i = *(int*)payload->Data;
showDigital[i] = true;
}
ImGui::EndDragDropTarget();
}
}
//-------------------------------------------------------------------------
if (ImGui::CollapsingHeader("Custom Styles")) {
static ImVec4 my_palette[3] = {
@ -483,4 +523,4 @@ void ShowImPlotDemoWindow(bool* p_open) {
}
} // namespace ImGui
} // namespace ImGui