mirror of
https://github.com/gwm17/implot.git
synced 2024-11-26 12:18:52 -05:00
clean up refactors, organize implot_internal.h
This commit is contained in:
epezent
parent
d9ae47bf2b
commit
4463fa107a
13
implot.cpp
13
implot.cpp
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@ -605,11 +605,11 @@ bool BeginPlot(const char* title, const char* x_label, const char* y_label, cons
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}
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// AXIS STATES ------------------------------------------------------------
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gp.X = ImPlotAxisState(plot.XAxis, gp.NextPlotData.HasXRange, gp.NextPlotData.XRangeCond, true, 0);
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gp.Y[0] = ImPlotAxisState(plot.YAxis[0], gp.NextPlotData.HasYRange[0], gp.NextPlotData.YRangeCond[0], true, 0);
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gp.Y[1] = ImPlotAxisState(plot.YAxis[1], gp.NextPlotData.HasYRange[1], gp.NextPlotData.YRangeCond[1],
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gp.X = ImPlotAxisState(&plot.XAxis, gp.NextPlotData.HasXRange, gp.NextPlotData.XRangeCond, true, 0);
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gp.Y[0] = ImPlotAxisState(&plot.YAxis[0], gp.NextPlotData.HasYRange[0], gp.NextPlotData.YRangeCond[0], true, 0);
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gp.Y[1] = ImPlotAxisState(&plot.YAxis[1], gp.NextPlotData.HasYRange[1], gp.NextPlotData.YRangeCond[1],
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ImHasFlag(plot.Flags, ImPlotFlags_YAxis2), gp.Y[0].PresentSoFar);
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gp.Y[2] = ImPlotAxisState(plot.YAxis[2], gp.NextPlotData.HasYRange[2], gp.NextPlotData.YRangeCond[2],
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gp.Y[2] = ImPlotAxisState(&plot.YAxis[2], gp.NextPlotData.HasYRange[2], gp.NextPlotData.YRangeCond[2],
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ImHasFlag(plot.Flags, ImPlotFlags_YAxis3), gp.Y[1].PresentSoFar);
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gp.LockPlot = gp.X.Lock && gp.Y[0].Lock && gp.Y[1].Lock && gp.Y[2].Lock;
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@ -1511,7 +1511,6 @@ ImPlotInputMap& GetInputMap() {
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}
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void SetNextPlotLimits(double x_min, double x_max, double y_min, double y_max, ImGuiCond cond) {
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ImPlotContext& gp = *GImPlot;
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IM_ASSERT_USER_ERROR(gp.CurrentPlot == NULL, "SetNextPlotLimits() needs to be called before BeginPlot()!");
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SetNextPlotLimitsX(x_min, x_max, cond);
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SetNextPlotLimitsY(y_min, y_max, cond);
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@ -1825,8 +1824,8 @@ ImVec4 LerpColormap(float t) {
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ImVec4 NextColormapColor() {
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ImPlotContext& gp = *GImPlot;
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ImVec4 col = gp.Colormap[gp.CurrentPlot->ColorIdx % gp.ColormapSize];
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gp.CurrentPlot->ColorIdx++;
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ImVec4 col = gp.Colormap[gp.CurrentPlot->ColormapIdx % gp.ColormapSize];
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gp.CurrentPlot->ColormapIdx++;
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return col;
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}
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@ -733,10 +733,9 @@ void ShowDemoWindow(bool* p_open) {
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}
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if (ImGui::Button(paused ? "Resume" : "Pause", ImVec2(100,0)))
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paused = !paused;
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ImGui::Separator();
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for (int i = 0; i < K_CHANNELS; ++i) {
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char label[8];
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sprintf(label, show[i] ? "data_%d*" : "data_%d", i);
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char label[16];
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sprintf(label, show[i] ? "data_%d (Y%d)" : "data_%d", i, yAxis[i]+1);
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ImGui::Selectable(label, false, 0, ImVec2(100, 0));
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if (ImGui::BeginDragDropSource(ImGuiDragDropFlags_None)) {
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ImGui::SetDragDropPayload("DND_PLOT", &i, sizeof(int));
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@ -809,7 +808,6 @@ void ShowDemoWindow(bool* p_open) {
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ImGui::SetNextItemWidth(100);
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static float bitGap = 4;
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ImGui::DragFloat("##Bit Gap", &bitGap, 1, 2, 20, "%.0f px");
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ImGui::Separator();
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for (int i = 0; i < K_PLOT_DIGITAL_CH_COUNT; ++i) {
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char label[32];
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sprintf(label, "digital_%d", i);
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@ -22,7 +22,8 @@
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// ImPlot v0.5 WIP
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// You may use this file to debug, understand or extend ImPlot features but we don't provide any guarantee of forward compatibility!
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// You may use this file to debug, understand or extend ImPlot features but we
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// don't provide any guarantee of forward compatibility!
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//-----------------------------------------------------------------------------
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// [SECTION] Header mess
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@ -85,7 +86,7 @@ inline void ImFlipFlag(TSet& set, TFlag flag) { ImHasFlag(set, flag) ? set &= ~f
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template <typename T>
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inline T ImRemap(T x, T x0, T x1, T y0, T y1) { return y0 + (x - x0) * (y1 - y0) / (x1 - x0); }
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// Returns always positive modulo (r != 0)
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// Returns always positive modulo (assumes r != 0)
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inline int ImPosMod(int l, int r) { return (l % r + r) % r; }
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// Offset calculator helper
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@ -102,11 +103,15 @@ struct ImOffsetCalculator {
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// Character buffer writer helper
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struct ImBufferWriter
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{
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char* const Buffer;
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size_t Pos;
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const size_t Size;
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char* Buffer;
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size_t Size;
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size_t Pos;
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ImBufferWriter(char* buffer, size_t size) : Buffer(buffer), Pos(0), Size(size) {}
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ImBufferWriter(char* buffer, size_t size) {
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Buffer = buffer;
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Size = size;
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Pos = 0;
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}
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void Write(const char* fmt, ...) IM_FMTARGS(2) {
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va_list argp;
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@ -144,16 +149,18 @@ struct ImPlotTick
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// Axis state information that must persist after EndPlot
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struct ImPlotAxis
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{
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ImPlotAxisFlags Flags;
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ImPlotAxisFlags PreviousFlags;
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ImPlotRange Range;
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bool Dragging;
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bool Hovered;
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ImPlotRange Range;
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ImPlotAxisFlags Flags, PreviousFlags;
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ImPlotAxis() {
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Dragging = false;
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Hovered = false;
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Flags = PreviousFlags = ImPlotAxisFlags_Default;
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Range.Min = 0;
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Range.Max = 1;
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Flags = PreviousFlags = ImPlotAxisFlags_Default;
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Dragging = false;
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Hovered = false;
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}
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};
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@ -161,30 +168,28 @@ struct ImPlotAxis
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struct ImPlotAxisState
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{
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ImPlotAxis* Axis;
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bool HasRange;
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ImGuiCond RangeCond;
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bool Present;
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int PresentSoFar;
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bool HasRange;
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bool Present;
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bool Invert;
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bool LockMin;
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bool LockMax;
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bool Lock;
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ImPlotAxisState(ImPlotAxis& axis, bool has_range, ImGuiCond range_cond, bool present, int previous_present) :
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Axis(&axis),
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HasRange(has_range),
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RangeCond(range_cond),
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Present(present),
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PresentSoFar(previous_present + (Present ? 1 : 0)),
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Invert(ImHasFlag(Axis->Flags, ImPlotAxisFlags_Invert)),
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LockMin(ImHasFlag(Axis->Flags, ImPlotAxisFlags_LockMin) || (HasRange && RangeCond == ImGuiCond_Always)),
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LockMax(ImHasFlag(Axis->Flags, ImPlotAxisFlags_LockMax) || (HasRange && RangeCond == ImGuiCond_Always)),
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Lock(!Present || ((LockMin && LockMax) || (HasRange && RangeCond == ImGuiCond_Always)))
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{}
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ImPlotAxisState(ImPlotAxis* axis, bool has_range, ImGuiCond range_cond, bool present, int previous_present) {
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Axis = axis;
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HasRange = has_range;
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RangeCond = range_cond;
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Present = present;
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PresentSoFar = previous_present + (Present ? 1 : 0);
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Invert = ImHasFlag(Axis->Flags, ImPlotAxisFlags_Invert);
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LockMin = ImHasFlag(Axis->Flags, ImPlotAxisFlags_LockMin) || (HasRange && RangeCond == ImGuiCond_Always);
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LockMax = ImHasFlag(Axis->Flags, ImPlotAxisFlags_LockMax) || (HasRange && RangeCond == ImGuiCond_Always);
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Lock = !Present || ((LockMin && LockMax) || (HasRange && RangeCond == ImGuiCond_Always));
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}
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ImPlotAxisState() :
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Axis(), HasRange(), RangeCond(), Present(), PresentSoFar(),Invert(),LockMin(), LockMax(), Lock()
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{}
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ImPlotAxisState() { }
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};
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struct ImPlotAxisColor
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@ -196,20 +201,20 @@ struct ImPlotAxisColor
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// State information for Plot items
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struct ImPlotItem
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{
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bool Show;
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bool SeenThisFrame;
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bool Highlight;
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ImVec4 Color;
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int NameOffset;
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ImGuiID ID;
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ImVec4 Color;
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bool Show;
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bool Highlight;
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bool SeenThisFrame;
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int NameOffset;
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ImPlotItem() {
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ID = 0;
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Color = ImPlot::NextColormapColor();
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Show = true;
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SeenThisFrame = false;
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Highlight = false;
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Color = ImPlot::NextColormapColor();
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NameOffset = -1;
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ID = 0;
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}
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~ImPlotItem() { ID = 0; }
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@ -218,27 +223,27 @@ struct ImPlotItem
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// Holds Plot state information that must persist after EndPlot
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struct ImPlotState
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{
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ImPlotFlags Flags;
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ImPlotFlags PreviousFlags;
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ImPlotAxis XAxis;
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ImPlotAxis YAxis[MAX_Y_AXES];
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ImPool<ImPlotItem> Items;
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ImRect BB_Legend;
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ImVec2 SelectStart;
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ImVec2 QueryStart;
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ImRect QueryRect;
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ImRect BB_Legend;
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bool Selecting;
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bool Querying;
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bool Queried;
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bool DraggingQuery;
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ImVec2 QueryStart;
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ImRect QueryRect;
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ImPlotAxis XAxis;
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ImPlotAxis YAxis[MAX_Y_AXES];
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ImPlotFlags Flags, PreviousFlags;
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int ColorIdx;
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int ColormapIdx;
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int CurrentYAxis;
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ImPlotState() {
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Selecting = Querying = Queried = DraggingQuery = false;
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SelectStart = QueryStart = ImVec2(0,0);
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Flags = PreviousFlags = ImPlotFlags_Default;
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ColorIdx = 0;
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CurrentYAxis = 0;
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SelectStart = QueryStart = ImVec2(0,0);
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Selecting = Querying = Queried = DraggingQuery = false;
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ColormapIdx = CurrentYAxis = 0;
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}
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};
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@ -345,13 +350,15 @@ struct ImPlotContext {
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ImPlotPoint LastMousePos[MAX_Y_AXES];
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};
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struct ImPlotAxisScale {
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struct ImPlotAxisScale
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{
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ImPlotPoint Min, Max;
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ImPlotAxisScale(int y_axis, float tx, float ty, float zoom_rate) {
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ImPlotContext& gp = *GImPlot;
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Min = ImPlot::PixelsToPlot(gp.BB_Plot.Min - gp.BB_Plot.GetSize() * ImVec2(tx * zoom_rate, ty * zoom_rate), y_axis);
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Max = ImPlot::PixelsToPlot(gp.BB_Plot.Max + gp.BB_Plot.GetSize() * ImVec2((1 - tx) * zoom_rate, (1 - ty) * zoom_rate), y_axis);
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}
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ImPlotPoint Min, Max;
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};
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//-----------------------------------------------------------------------------
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@ -365,14 +372,17 @@ namespace ImPlot {
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void Initialize(ImPlotContext* ctx);
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// Resets an ImPlot context for the next call to BeginPlot
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void Reset(ImPlotContext* ctx);
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// Gets a plot from the current ImPlotContext
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ImPlotState* GetPlot(const char* title);
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// Gets the current plot from the current ImPlotContext
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ImPlotState* GetCurrentPlot();
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// Updates pixel space to plot space transformation variables for the current plot
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// Updates plot-to-pixel space transformation variables for the current plot
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void UpdateTransformCache();
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// Extends the current plots axes so that it encompasses point p
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void FitPoint(const ImPlotPoint& p);
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// Register or get an existing item from the current plot
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ImPlotItem* RegisterItem(const char* label_id);
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// Get the ith plot item from the current plot
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@ -381,46 +391,52 @@ ImPlotItem* GetItem(int i);
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ImPlotItem* GetItem(const char* label_id);
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// Gets a plot item from a specific plot
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ImPlotItem* GetItem(const char* plot_title, const char* item_label_id);
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// Returns the number of entries in the current legend
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int GetLegendCount();
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// Gets the ith entry string for the current legend
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const char* GetLegendLabel(int i);
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// Populates a list of ImPlotTicks with automatically spaced ticks
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void AddDefaultTicks(const ImPlotRange& range, int nMajor, int nMinor, bool logscale, ImVector<ImPlotTick> &out);
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void AddDefaultTicks(const ImPlotRange& range, int nMajor, int nMinor, bool logscale, ImVector<ImPlotTick> &out);
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// Populates a list of ImPlotTicks with custom spaced and labeled ticks
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void AddCustomTicks(const double* values, const char** labels, int n, ImVector<ImPlotTick>& ticks, ImGuiTextBuffer& buffer);
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void AddCustomTicks(const double* values, const char** labels, int n, ImVector<ImPlotTick>& ticks, ImGuiTextBuffer& buffer);
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// Creates label information for a list of ImPlotTick
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void LabelTicks(ImVector<ImPlotTick> &ticks, bool scientific, ImGuiTextBuffer& buffer);
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void LabelTicks(ImVector<ImPlotTick> &ticks, bool scientific, ImGuiTextBuffer& buffer);
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// Calculates the maximum width of a list of ImPlotTick
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float MaxTickLabelWidth(ImVector<ImPlotTick>& ticks);
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// Rounds x to powers of 2,5 and 10 for generating axis labels (from Graphics Gems 1 Chapter 11.2)
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double NiceNum(double x, bool round);
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// Updates axis ticks, lins, and label colors
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void UpdateAxisColor(int axis_flag, ImPlotAxisColor* col);
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// Sets the colormap for a particular ImPlotContext
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void SetColormapEx(ImPlotColormap colormap, int samples, ImPlotContext* ctx);
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void SetColormapEx(const ImVec4* colors, int num_colors, ImPlotContext* ctx);
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// Draws vertical text. The position is the bottom left of the text rect.
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void AddTextVertical(ImDrawList *DrawList, const char *text, ImVec2 pos, ImU32 text_color);
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// Calculates the size of vertical text
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ImVec2 CalcTextSizeVertical(const char *text);
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// Returns white or black text given background color
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inline ImU32 CalcTextColor(const ImVec4& bg) { return (bg.x * 0.299 + bg.y * 0.587 + bg.z * 0.114) > 0.729 ? IM_COL32_BLACK : IM_COL32_WHITE; }
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// Rounds x to powers of 2,5 and 10 for generating axis labels
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// Taken from Graphics Gems 1 Chapter 11.2, "Nice Numbers for Graph Labels"
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double NiceNum(double x, bool round);
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// Returns true if val is NAN or INFINITY
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inline bool NanOrInf(double val) { return val == HUGE_VAL || val == -HUGE_VAL || isnan(val); }
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// Turns NANs to 0s
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inline double ConstrainNan(double val) { return isnan(val) ? 0 : val; }
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// Turns infinity to floating point maximums
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inline double ConstrainInf(double val) { return val == HUGE_VAL ? DBL_MAX : val == -HUGE_VAL ? - DBL_MAX : val; }
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// Turns numbers less than or equal to 0 to 0.001 (sort of arbitrary, is there a better way?)
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inline double ConstrainLog(double val) { return val <= 0 ? 0.001f : val; }
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// Returns true if val is NAN or INFINITY
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inline bool NanOrInf(double val) { return val == HUGE_VAL || val == -HUGE_VAL || isnan(val); }
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// Computes order of magnitude of double.
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inline int OrderOfMagnitude(double val) { return val == 0 ? 0 : (int)(floor(log10(fabs(val)))); }
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// Returns the precision required for a order of magnitude.
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inline int OrderToPrecision(int order) { return order > 0 ? 0 : 1 - order; }
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// Returns a floating point precision to use given a value
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inline int Precision(double val) { return OrderToPrecision(OrderOfMagnitude(val)); }
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// Returns the intersection point of two lines A and B (assumes they are not parallel!)
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inline ImVec2 Intersection(const ImVec2& a1, const ImVec2& a2, const ImVec2& b1, const ImVec2& b2) {
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float v1 = (a1.x * a2.y - a1.y * a2.x);
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@ -428,6 +444,7 @@ inline ImVec2 Intersection(const ImVec2& a1, const ImVec2& a2, const ImVec2& b1,
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float v3 = ((a1.x - a2.x) * (b1.y - b2.y) - (a1.y - a2.y) * (b1.x - b2.x));
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return ImVec2((v1 * (b1.x - b2.x) - v2 * (a1.x - a2.x)) / v3, (v1 * (b1.y - b2.y) - v2 * (a1.y - a2.y)) / v3);
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}
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// Fills a buffer with n samples linear interpolated from vmin to vmax
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template <typename T>
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void FillRange(ImVector<T>& buffer, int n, T vmin, T vmax) {
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@ -437,6 +454,7 @@ void FillRange(ImVector<T>& buffer, int n, T vmin, T vmax) {
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buffer[i] = vmin + i * step;
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}
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}
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// Offsets and strides a data buffer
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template <typename T>
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inline T OffsetAndStride(const T* data, int idx, int count, int offset, int stride) {
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@ -1167,8 +1167,7 @@ inline void RenderPieSlice(ImDrawList& DrawList, const ImPlotPoint& center, doub
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template <typename T>
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void PlotPieChartEx(const char** label_ids, const T* values, int count, T x, T y, T radius, bool normalize, const char* fmt, T angle0) {
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ImPlotContext& gp = *GImPlot;
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IM_ASSERT_USER_ERROR(gp.CurrentPlot != NULL, "PlotPieChart() needs to be called between BeginPlot() and EndPlot()!");
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IM_ASSERT_USER_ERROR(GImPlot->CurrentPlot != NULL, "PlotPieChart() needs to be called between BeginPlot() and EndPlot()!");
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ImDrawList & DrawList = *ImGui::GetWindowDrawList();
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T sum = 0;
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@ -1426,8 +1425,7 @@ void PlotText(const char* text, float x, float y, bool vertical, const ImVec2& p
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//-----------------------------------------------------------------------------
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// double
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void PlotText(const char* text, double x, double y, bool vertical, const ImVec2& pixel_offset) {
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ImPlotContext& gp = *GImPlot;
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IM_ASSERT_USER_ERROR(gp.CurrentPlot != NULL, "PlotText() needs to be called between BeginPlot() and EndPlot()!");
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IM_ASSERT_USER_ERROR(GImPlot->CurrentPlot != NULL, "PlotText() needs to be called between BeginPlot() and EndPlot()!");
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ImDrawList & DrawList = *ImGui::GetWindowDrawList();
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PushPlotClipRect();
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ImVec2 pos = PlotToPixels(ImPlotPoint(x,y)) + pixel_offset;
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