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implot_items.cpp
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implot_items.cpp
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// MIT License
// Copyright (c) 2020 Evan Pezent
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
// ImPlot v0.13 WIP
#include "implot.h"
#include "implot_internal.h"
#define SQRT_1_2 0.70710678118f
#define SQRT_3_2 0.86602540378f
#ifndef IMPLOT_NO_FORCE_INLINE
#ifdef _MSC_VER
#define IMPLOT_INLINE __forceinline
#elif defined(__GNUC__)
#define IMPLOT_INLINE inline __attribute__((__always_inline__))
#elif defined(__CLANG__)
#if __has_attribute(__always_inline__)
#define IMPLOT_INLINE inline __attribute__((__always_inline__))
#else
#define IMPLOT_INLINE inline
#endif
#else
#define IMPLOT_INLINE inline
#endif
#else
#define IMPLOT_INLINE inline
#endif
#if defined __SSE__ || defined __x86_64__ || defined _M_X64
#ifndef IMGUI_ENABLE_SSE
#include <immintrin.h>
#endif
static IMPLOT_INLINE float ImInvSqrt(float x) { return _mm_cvtss_f32(_mm_rsqrt_ss(_mm_set_ss(x))); }
#else
static IMPLOT_INLINE float ImInvSqrt(float x) { return 1.0f / sqrtf(x); }
#endif
#define IMPLOT_NORMALIZE2F_OVER_ZERO(VX,VY) do { float d2 = VX*VX + VY*VY; if (d2 > 0.0f) { float inv_len = ImInvSqrt(d2); VX *= inv_len; VY *= inv_len; } } while (0)
// Support for pre-1.82 versions. Users on 1.82+ can use 0 (default) flags to mean "all corners" but in order to support older versions we are more explicit.
#if (IMGUI_VERSION_NUM < 18102) && !defined(ImDrawFlags_RoundCornersAll)
#define ImDrawFlags_RoundCornersAll ImDrawCornerFlags_All
#endif
namespace ImPlot {
//-----------------------------------------------------------------------------
// Utils
//-----------------------------------------------------------------------------
// Calc maximum index size of ImDrawIdx
template <typename T>
struct MaxIdx { static const unsigned int Value; };
template <> const unsigned int MaxIdx<unsigned short>::Value = 65535;
template <> const unsigned int MaxIdx<unsigned int>::Value = 4294967295;
//-----------------------------------------------------------------------------
// Item Utils
//-----------------------------------------------------------------------------
ImPlotItem* RegisterOrGetItem(const char* label_id, bool* just_created) {
ImPlotContext& gp = *GImPlot;
ImPlotItemGroup& Items = *gp.CurrentItems;
ImGuiID id = Items.GetItemID(label_id);
if (just_created != NULL)
*just_created = Items.GetItem(id) == NULL;
ImPlotItem* item = Items.GetOrAddItem(id);
if (item->SeenThisFrame)
return item;
item->SeenThisFrame = true;
int idx = Items.GetItemIndex(item);
item->ID = id;
if (ImGui::FindRenderedTextEnd(label_id, NULL) != label_id) {
Items.Legend.Indices.push_back(idx);
item->NameOffset = Items.Legend.Labels.size();
Items.Legend.Labels.append(label_id, label_id + strlen(label_id) + 1);
}
else {
item->Show = true;
}
return item;
}
ImPlotItem* GetItem(const char* label_id) {
ImPlotContext& gp = *GImPlot;
return gp.CurrentItems->GetItem(label_id);
}
bool IsItemHidden(const char* label_id) {
ImPlotItem* item = GetItem(label_id);
return item != NULL && !item->Show;
}
ImPlotItem* GetCurrentItem() {
ImPlotContext& gp = *GImPlot;
return gp.CurrentItem;
}
void SetNextLineStyle(const ImVec4& col, float weight) {
ImPlotContext& gp = *GImPlot;
gp.NextItemData.Colors[ImPlotCol_Line] = col;
gp.NextItemData.LineWeight = weight;
}
void SetNextFillStyle(const ImVec4& col, float alpha) {
ImPlotContext& gp = *GImPlot;
gp.NextItemData.Colors[ImPlotCol_Fill] = col;
gp.NextItemData.FillAlpha = alpha;
}
void SetNextMarkerStyle(ImPlotMarker marker, float size, const ImVec4& fill, float weight, const ImVec4& outline) {
ImPlotContext& gp = *GImPlot;
gp.NextItemData.Marker = marker;
gp.NextItemData.Colors[ImPlotCol_MarkerFill] = fill;
gp.NextItemData.MarkerSize = size;
gp.NextItemData.Colors[ImPlotCol_MarkerOutline] = outline;
gp.NextItemData.MarkerWeight = weight;
}
void SetNextErrorBarStyle(const ImVec4& col, float size, float weight) {
ImPlotContext& gp = *GImPlot;
gp.NextItemData.Colors[ImPlotCol_ErrorBar] = col;
gp.NextItemData.ErrorBarSize = size;
gp.NextItemData.ErrorBarWeight = weight;
}
ImVec4 GetLastItemColor() {
ImPlotContext& gp = *GImPlot;
if (gp.PreviousItem)
return ImGui::ColorConvertU32ToFloat4(gp.PreviousItem->Color);
return ImVec4();
}
void BustItemCache() {
ImPlotContext& gp = *GImPlot;
for (int p = 0; p < gp.Plots.GetBufSize(); ++p) {
ImPlotPlot& plot = *gp.Plots.GetByIndex(p);
plot.Items.Reset();
}
for (int p = 0; p < gp.Subplots.GetBufSize(); ++p) {
ImPlotSubplot& subplot = *gp.Subplots.GetByIndex(p);
subplot.Items.Reset();
}
}
void BustColorCache(const char* plot_title_id) {
ImPlotContext& gp = *GImPlot;
if (plot_title_id == NULL) {
BustItemCache();
}
else {
ImGuiID id = ImGui::GetCurrentWindow()->GetID(plot_title_id);
ImPlotPlot* plot = gp.Plots.GetByKey(id);
if (plot != NULL)
plot->Items.Reset();
else {
ImPlotSubplot* subplot = gp.Subplots.GetByKey(id);
if (subplot != NULL)
subplot->Items.Reset();
}
}
}
//-----------------------------------------------------------------------------
// Begin/EndItem
//-----------------------------------------------------------------------------
static const float ITEM_HIGHLIGHT_LINE_SCALE = 2.0f;
static const float ITEM_HIGHLIGHT_MARK_SCALE = 1.25f;
// Begins a new item. Returns false if the item should not be plotted.
bool BeginItem(const char* label_id, ImPlotCol recolor_from) {
ImPlotContext& gp = *GImPlot;
IM_ASSERT_USER_ERROR(gp.CurrentPlot != NULL, "PlotX() needs to be called between BeginPlot() and EndPlot()!");
SetupLock();
bool just_created;
ImPlotItem* item = RegisterOrGetItem(label_id, &just_created);
// set current item
gp.CurrentItem = item;
ImPlotNextItemData& s = gp.NextItemData;
// set/override item color
if (recolor_from != -1) {
if (!IsColorAuto(s.Colors[recolor_from]))
item->Color = ImGui::ColorConvertFloat4ToU32(s.Colors[recolor_from]);
else if (!IsColorAuto(gp.Style.Colors[recolor_from]))
item->Color = ImGui::ColorConvertFloat4ToU32(gp.Style.Colors[recolor_from]);
else if (just_created)
item->Color = NextColormapColorU32();
}
else if (just_created) {
item->Color = NextColormapColorU32();
}
// hide/show item
if (gp.NextItemData.HasHidden) {
if (just_created || gp.NextItemData.HiddenCond == ImGuiCond_Always)
item->Show = !gp.NextItemData.Hidden;
}
if (!item->Show) {
// reset next item data
gp.NextItemData.Reset();
gp.PreviousItem = item;
gp.CurrentItem = NULL;
return false;
}
else {
ImVec4 item_color = ImGui::ColorConvertU32ToFloat4(item->Color);
// stage next item colors
s.Colors[ImPlotCol_Line] = IsColorAuto(s.Colors[ImPlotCol_Line]) ? ( IsColorAuto(ImPlotCol_Line) ? item_color : gp.Style.Colors[ImPlotCol_Line] ) : s.Colors[ImPlotCol_Line];
s.Colors[ImPlotCol_Fill] = IsColorAuto(s.Colors[ImPlotCol_Fill]) ? ( IsColorAuto(ImPlotCol_Fill) ? item_color : gp.Style.Colors[ImPlotCol_Fill] ) : s.Colors[ImPlotCol_Fill];
s.Colors[ImPlotCol_MarkerOutline] = IsColorAuto(s.Colors[ImPlotCol_MarkerOutline]) ? ( IsColorAuto(ImPlotCol_MarkerOutline) ? s.Colors[ImPlotCol_Line] : gp.Style.Colors[ImPlotCol_MarkerOutline] ) : s.Colors[ImPlotCol_MarkerOutline];
s.Colors[ImPlotCol_MarkerFill] = IsColorAuto(s.Colors[ImPlotCol_MarkerFill]) ? ( IsColorAuto(ImPlotCol_MarkerFill) ? s.Colors[ImPlotCol_Line] : gp.Style.Colors[ImPlotCol_MarkerFill] ) : s.Colors[ImPlotCol_MarkerFill];
s.Colors[ImPlotCol_ErrorBar] = IsColorAuto(s.Colors[ImPlotCol_ErrorBar]) ? ( GetStyleColorVec4(ImPlotCol_ErrorBar) ) : s.Colors[ImPlotCol_ErrorBar];
// stage next item style vars
s.LineWeight = s.LineWeight < 0 ? gp.Style.LineWeight : s.LineWeight;
s.Marker = s.Marker < 0 ? gp.Style.Marker : s.Marker;
s.MarkerSize = s.MarkerSize < 0 ? gp.Style.MarkerSize : s.MarkerSize;
s.MarkerWeight = s.MarkerWeight < 0 ? gp.Style.MarkerWeight : s.MarkerWeight;
s.FillAlpha = s.FillAlpha < 0 ? gp.Style.FillAlpha : s.FillAlpha;
s.ErrorBarSize = s.ErrorBarSize < 0 ? gp.Style.ErrorBarSize : s.ErrorBarSize;
s.ErrorBarWeight = s.ErrorBarWeight < 0 ? gp.Style.ErrorBarWeight : s.ErrorBarWeight;
s.DigitalBitHeight = s.DigitalBitHeight < 0 ? gp.Style.DigitalBitHeight : s.DigitalBitHeight;
s.DigitalBitGap = s.DigitalBitGap < 0 ? gp.Style.DigitalBitGap : s.DigitalBitGap;
// apply alpha modifier(s)
s.Colors[ImPlotCol_Fill].w *= s.FillAlpha;
s.Colors[ImPlotCol_MarkerFill].w *= s.FillAlpha; // TODO: this should be separate, if it at all
// apply highlight mods
if (item->LegendHovered) {
if (!ImHasFlag(gp.CurrentItems->Legend.Flags, ImPlotLegendFlags_NoHighlightItem)) {
s.LineWeight *= ITEM_HIGHLIGHT_LINE_SCALE;
s.MarkerSize *= ITEM_HIGHLIGHT_MARK_SCALE;
s.MarkerWeight *= ITEM_HIGHLIGHT_LINE_SCALE;
// TODO: how to highlight fills?
}
if (!ImHasFlag(gp.CurrentItems->Legend.Flags, ImPlotLegendFlags_NoHighlightAxis)) {
if (gp.CurrentPlot->EnabledAxesX() > 1)
gp.CurrentPlot->Axes[gp.CurrentPlot->CurrentX].ColorHiLi = item->Color;
if (gp.CurrentPlot->EnabledAxesY() > 1)
gp.CurrentPlot->Axes[gp.CurrentPlot->CurrentY].ColorHiLi = item->Color;
}
}
// set render flags
s.RenderLine = s.Colors[ImPlotCol_Line].w > 0 && s.LineWeight > 0;
s.RenderFill = s.Colors[ImPlotCol_Fill].w > 0;
s.RenderMarkerLine = s.Colors[ImPlotCol_MarkerOutline].w > 0 && s.MarkerWeight > 0;
s.RenderMarkerFill = s.Colors[ImPlotCol_MarkerFill].w > 0;
// push rendering clip rect
PushPlotClipRect();
return true;
}
}
// Ends an item (call only if BeginItem returns true)
void EndItem() {
ImPlotContext& gp = *GImPlot;
// pop rendering clip rect
PopPlotClipRect();
// reset next item data
gp.NextItemData.Reset();
// set current item
gp.PreviousItem = gp.CurrentItem;
gp.CurrentItem = NULL;
}
//-----------------------------------------------------------------------------
// INDEXERS
//-----------------------------------------------------------------------------
// Offsets and strides a data buffer
template <typename T>
IMPLOT_INLINE T IndexData(const T* data, int idx, int count, int offset, int stride) {
const int s = ((offset == 0) << 0) | ((stride == sizeof(T)) << 1);
switch (s) {
case 3 : return data[idx];
case 2 : return data[(offset + idx) % count];
case 1 : return *(const T*)(const void*)((const unsigned char*)data + (size_t)((idx) ) * stride);
case 0 : return *(const T*)(const void*)((const unsigned char*)data + (size_t)((offset + idx) % count) * stride);
default: return T(0);
}
}
//-----------------------------------------------------------------------------
// GETTERS
//-----------------------------------------------------------------------------
// Getters can be thought of as iterators that convert user data (e.g. raw arrays)
// to ImPlotPoints
template <typename T>
struct GetterIdx {
GetterIdx(const T* data, int count, int offset = 0, int stride = sizeof(T)) :
Data(data),
Count(count),
Offset(count ? ImPosMod(offset, count) : 0),
Stride(stride)
{ }
template <typename I> IMPLOT_INLINE double operator()(I idx) const {
return (double)IndexData(Data, idx, Count, Offset, Stride);
}
const T* Data;
int Count;
int Offset;
int Stride;
};
struct GetterLin {
GetterLin(double m, double b) : M(m), B(b) { }
template <typename I> IMPLOT_INLINE double operator()(I idx) const {
return M * idx + B;
}
const double M;
const double B;
};
struct GetterRef {
GetterRef(double ref) : Ref(ref) { }
template <typename I> IMPLOT_INLINE double operator()(I) const { return Ref; }
const double Ref;
};
template <typename TGetterX, typename TGetterY>
struct GetterXY {
GetterXY(TGetterX x, TGetterY y, int count) : GetterX(x), GetterY(y), Count(count) { }
template <typename I> IMPLOT_INLINE ImPlotPoint operator()(I idx) const {
return ImPlotPoint(GetterX(idx),GetterY(idx));
}
const TGetterX GetterX;
const TGetterY GetterY;
const int Count;
};
// Interprets an array of Y points as ImPlotPoints where the X value is the index
template <typename T>
struct GetterXs {
GetterXs(const T* xs, int count, double yscale, double y0, int offset, int stride) :
Xs(xs),
Count(count),
YScale(yscale),
Y0(y0),
Offset(count ? ImPosMod(offset, count) : 0),
Stride(stride)
{ }
template <typename I> IMPLOT_INLINE ImPlotPoint operator()(I idx) const {
return ImPlotPoint((double)IndexData(Xs, idx, Count, Offset, Stride), Y0 + YScale * idx);
}
const T* const Xs;
const int Count;
const double YScale;
const double Y0;
const int Offset;
const int Stride;
};
/// Interprets a user's function pointer as ImPlotPoints
struct GetterFuncPtr {
GetterFuncPtr(ImPlotPoint (*getter)(void* data, int idx), void* data, int count) :
Getter(getter),
Data(data),
Count(count)
{ }
template <typename I> IMPLOT_INLINE ImPlotPoint operator()(I idx) const {
return Getter(Data, idx);
}
ImPlotPoint (* const Getter)(void* data, int idx);
void* const Data;
const int Count;
};
template <typename TGetter>
struct GetterOverrideX {
GetterOverrideX(const TGetter& getter, double x) : Getter(getter), X(x), Count(getter.Count) { }
template <typename I> IMPLOT_INLINE ImPlotPoint operator()(I idx) const {
ImPlotPoint p = Getter(idx);
p.x = X;
return p;
}
const TGetter& Getter;
const double X;
const int Count;
};
template <typename TGetter>
struct GetterOverrideY {
GetterOverrideY(const TGetter& getter, double y) : Getter(getter), Y(y), Count(getter.Count) { }
template <typename I> IMPLOT_INLINE ImPlotPoint operator()(I idx) const {
ImPlotPoint p = Getter(idx);
p.y = Y;
return p;
}
const TGetter& Getter;
const double Y;
const int Count;
};
template <typename T>
struct GetterError {
GetterError(const T* xs, const T* ys, const T* neg, const T* pos, int count, int offset, int stride) :
Xs(xs),
Ys(ys),
Neg(neg),
Pos(pos),
Count(count),
Offset(count ? ImPosMod(offset, count) : 0),
Stride(stride)
{ }
template <typename I> IMPLOT_INLINE ImPlotPointError operator()(I idx) const {
return ImPlotPointError((double)IndexData(Xs, idx, Count, Offset, Stride),
(double)IndexData(Ys, idx, Count, Offset, Stride),
(double)IndexData(Neg, idx, Count, Offset, Stride),
(double)IndexData(Pos, idx, Count, Offset, Stride));
}
const T* const Xs;
const T* const Ys;
const T* const Neg;
const T* const Pos;
const int Count;
const int Offset;
const int Stride;
};
//-----------------------------------------------------------------------------
// TRANSFORMERS
//-----------------------------------------------------------------------------
// Transforms convert points in plot space (i.e. ImPlotPoint) to pixel space (i.e. ImVec2)
struct TransformerLin {
TransformerLin(double pixMin, double pltMin, double, double m, double ) : PixMin(pixMin), PltMin(pltMin), M(m) { }
template <typename T> IMPLOT_INLINE float operator()(T p) const { return (float)(PixMin + M * (p - PltMin)); }
double PixMin, PltMin, M;
};
struct TransformerLog {
TransformerLog(double pixMin, double pltMin, double pltMax, double m, double den) : Den(den), PltMin(pltMin), PltMax(pltMax), PixMin(pixMin), M(m) { }
template <typename T> IMPLOT_INLINE float operator()(T p) const {
p = p <= 0.0 ? IMPLOT_LOG_ZERO : p;
double t = ImLog10(p / PltMin) / Den;
p = ImLerp(PltMin, PltMax, (float)t);
return (float)(PixMin + M * (p - PltMin));
}
double Den, PltMin, PltMax, PixMin, M;
};
template <typename TransformerX, typename TransformerY>
struct TransformerXY {
TransformerXY(const ImPlotAxis& x_axis, const ImPlotAxis& y_axis) :
Tx(x_axis.PixelMin,
x_axis.Range.Min,
x_axis.Range.Max,
x_axis.LinM,
x_axis.LogD),
Ty(y_axis.PixelMin,
y_axis.Range.Min,
y_axis.Range.Max,
y_axis.LinM,
y_axis.LogD)
{ }
TransformerXY(const ImPlotPlot& plot) :
TransformerXY(plot.Axes[plot.CurrentX], plot.Axes[plot.CurrentY])
{ }
TransformerXY() :
TransformerXY(*GImPlot->CurrentPlot)
{ }
template <typename P> IMPLOT_INLINE ImVec2 operator()(const P& plt) const {
ImVec2 out;
out.x = Tx(plt.x);
out.y = Ty(plt.y);
return out;
}
TransformerX Tx;
TransformerY Ty;
};
typedef TransformerXY<TransformerLin,TransformerLin> TransformerLinLin;
typedef TransformerXY<TransformerLin,TransformerLog> TransformerLinLog;
typedef TransformerXY<TransformerLog,TransformerLin> TransformerLogLin;
typedef TransformerXY<TransformerLog,TransformerLog> TransformerLogLog;
//-----------------------------------------------------------------------------
// PRIMITIVE RENDERERS
//-----------------------------------------------------------------------------
IMPLOT_INLINE void PrimLine(const ImVec2& P1, const ImVec2& P2, float half_weight, ImU32 col, ImDrawList& DrawList, ImVec2 uv) {
float dx = P2.x - P1.x;
float dy = P2.y - P1.y;
IMPLOT_NORMALIZE2F_OVER_ZERO(dx, dy);
dx *= half_weight;
dy *= half_weight;
DrawList._VtxWritePtr[0].pos.x = P1.x + dy;
DrawList._VtxWritePtr[0].pos.y = P1.y - dx;
DrawList._VtxWritePtr[0].uv = uv;
DrawList._VtxWritePtr[0].col = col;
DrawList._VtxWritePtr[1].pos.x = P2.x + dy;
DrawList._VtxWritePtr[1].pos.y = P2.y - dx;
DrawList._VtxWritePtr[1].uv = uv;
DrawList._VtxWritePtr[1].col = col;
DrawList._VtxWritePtr[2].pos.x = P2.x - dy;
DrawList._VtxWritePtr[2].pos.y = P2.y + dx;
DrawList._VtxWritePtr[2].uv = uv;
DrawList._VtxWritePtr[2].col = col;
DrawList._VtxWritePtr[3].pos.x = P1.x - dy;
DrawList._VtxWritePtr[3].pos.y = P1.y + dx;
DrawList._VtxWritePtr[3].uv = uv;
DrawList._VtxWritePtr[3].col = col;
DrawList._VtxWritePtr += 4;
DrawList._IdxWritePtr[0] = (ImDrawIdx)(DrawList._VtxCurrentIdx);
DrawList._IdxWritePtr[1] = (ImDrawIdx)(DrawList._VtxCurrentIdx + 1);
DrawList._IdxWritePtr[2] = (ImDrawIdx)(DrawList._VtxCurrentIdx + 2);
DrawList._IdxWritePtr[3] = (ImDrawIdx)(DrawList._VtxCurrentIdx);
DrawList._IdxWritePtr[4] = (ImDrawIdx)(DrawList._VtxCurrentIdx + 2);
DrawList._IdxWritePtr[5] = (ImDrawIdx)(DrawList._VtxCurrentIdx + 3);
DrawList._IdxWritePtr += 6;
DrawList._VtxCurrentIdx += 4;
}
IMPLOT_INLINE void PrimRectFilled(const ImVec2& Pmin, const ImVec2& Pmax, ImU32 col, ImDrawList& DrawList, ImVec2 uv) {
DrawList._VtxWritePtr[0].pos = Pmin;
DrawList._VtxWritePtr[0].uv = uv;
DrawList._VtxWritePtr[0].col = col;
DrawList._VtxWritePtr[1].pos = Pmax;
DrawList._VtxWritePtr[1].uv = uv;
DrawList._VtxWritePtr[1].col = col;
DrawList._VtxWritePtr[2].pos.x = Pmin.x;
DrawList._VtxWritePtr[2].pos.y = Pmax.y;
DrawList._VtxWritePtr[2].uv = uv;
DrawList._VtxWritePtr[2].col = col;
DrawList._VtxWritePtr[3].pos.x = Pmax.x;
DrawList._VtxWritePtr[3].pos.y = Pmin.y;
DrawList._VtxWritePtr[3].uv = uv;
DrawList._VtxWritePtr[3].col = col;
DrawList._VtxWritePtr += 4;
DrawList._IdxWritePtr[0] = (ImDrawIdx)(DrawList._VtxCurrentIdx);
DrawList._IdxWritePtr[1] = (ImDrawIdx)(DrawList._VtxCurrentIdx + 1);
DrawList._IdxWritePtr[2] = (ImDrawIdx)(DrawList._VtxCurrentIdx + 2);
DrawList._IdxWritePtr[3] = (ImDrawIdx)(DrawList._VtxCurrentIdx);
DrawList._IdxWritePtr[4] = (ImDrawIdx)(DrawList._VtxCurrentIdx + 1);
DrawList._IdxWritePtr[5] = (ImDrawIdx)(DrawList._VtxCurrentIdx + 3);
DrawList._IdxWritePtr += 6;
DrawList._VtxCurrentIdx += 4;
}
template <typename TGetter, typename TTransformer>
struct LineStripRenderer {
IMPLOT_INLINE LineStripRenderer(const TGetter& getter, const TTransformer& transformer, ImU32 col, float weight) :
Getter(getter),
Transformer(transformer),
Prims(Getter.Count - 1),
Col(col),
HalfWeight(weight/2)
{
P1 = Transformer(Getter(0));
}
IMPLOT_INLINE bool operator()(ImDrawList& DrawList, const ImRect& cull_rect, const ImVec2& uv, int prim) const {
ImVec2 P2 = Transformer(Getter(prim + 1));
if (!cull_rect.Overlaps(ImRect(ImMin(P1, P2), ImMax(P1, P2)))) {
P1 = P2;
return false;
}
PrimLine(P1,P2,HalfWeight,Col,DrawList,uv);
P1 = P2;
return true;
}
const TGetter& Getter;
const TTransformer& Transformer;
const int Prims;
const ImU32 Col;
const float HalfWeight;
mutable ImVec2 P1;
static const int IdxConsumed = 6;
static const int VtxConsumed = 4;
};
template <typename TGetter1, typename TGetter2, typename TTransformer>
struct LineSegmentsRenderer {
IMPLOT_INLINE LineSegmentsRenderer(const TGetter1& getter1, const TGetter2& getter2, const TTransformer& transformer, ImU32 col, float weight) :
Getter1(getter1),
Getter2(getter2),
Transformer(transformer),
Prims(ImMin(Getter1.Count, Getter2.Count)),
Col(col),
HalfWeight(weight/2)
{}
IMPLOT_INLINE bool operator()(ImDrawList& DrawList, const ImRect& cull_rect, const ImVec2& uv, int prim) const {
ImVec2 P1 = Transformer(Getter1(prim));
ImVec2 P2 = Transformer(Getter2(prim));
if (!cull_rect.Overlaps(ImRect(ImMin(P1, P2), ImMax(P1, P2))))
return false;
PrimLine(P1,P2,HalfWeight,Col,DrawList,uv);
return true;
}
const TGetter1& Getter1;
const TGetter2& Getter2;
const TTransformer& Transformer;
const int Prims;
const ImU32 Col;
const float HalfWeight;
static const int IdxConsumed = 6;
static const int VtxConsumed = 4;
};
template <typename TGetter, typename TTransformer>
struct StairsRenderer {
IMPLOT_INLINE StairsRenderer(const TGetter& getter, const TTransformer& transformer, ImU32 col, float weight) :
Getter(getter),
Transformer(transformer),
Prims(Getter.Count - 1),
Col(col),
HalfWeight(weight * 0.5f)
{
P1 = Transformer(Getter(0));
}
IMPLOT_INLINE bool operator()(ImDrawList& DrawList, const ImRect& cull_rect, const ImVec2& uv, int prim) const {
ImVec2 P2 = Transformer(Getter(prim + 1));
if (!cull_rect.Overlaps(ImRect(ImMin(P1, P2), ImMax(P1, P2)))) {
P1 = P2;
return false;
}
PrimRectFilled(ImVec2(P1.x, P1.y + HalfWeight), ImVec2(P2.x, P1.y - HalfWeight), Col, DrawList, uv);
PrimRectFilled(ImVec2(P2.x - HalfWeight, P2.y), ImVec2(P2.x + HalfWeight, P1.y), Col, DrawList, uv);
P1 = P2;
return true;
}
const TGetter& Getter;
const TTransformer& Transformer;
const int Prims;
const ImU32 Col;
const float HalfWeight;
mutable ImVec2 P1;
static const int IdxConsumed = 12;
static const int VtxConsumed = 8;
};
template <typename TGetter1, typename TGetter2, typename TTransformer>
struct ShadedRenderer {
IMPLOT_INLINE ShadedRenderer(const TGetter1& getter1, const TGetter2& getter2, const TTransformer& transformer, ImU32 col) :
Getter1(getter1),
Getter2(getter2),
Transformer(transformer),
Prims(ImMin(Getter1.Count, Getter2.Count) - 1),
Col(col)
{
P11 = Transformer(Getter1(0));
P12 = Transformer(Getter2(0));
}
IMPLOT_INLINE bool operator()(ImDrawList& DrawList, const ImRect& cull_rect, const ImVec2& uv, int prim) const {
ImVec2 P21 = Transformer(Getter1(prim+1));
ImVec2 P22 = Transformer(Getter2(prim+1));
ImRect rect(ImMin(ImMin(ImMin(P11,P12),P21),P22), ImMax(ImMax(ImMax(P11,P12),P21),P22));
if (!cull_rect.Overlaps(rect)) {
P11 = P21;
P12 = P22;
return false;
}
const int intersect = (P11.y > P12.y && P22.y > P21.y) || (P12.y > P11.y && P21.y > P22.y);
ImVec2 intersection = Intersection(P11,P21,P12,P22);
DrawList._VtxWritePtr[0].pos = P11;
DrawList._VtxWritePtr[0].uv = uv;
DrawList._VtxWritePtr[0].col = Col;
DrawList._VtxWritePtr[1].pos = P21;
DrawList._VtxWritePtr[1].uv = uv;
DrawList._VtxWritePtr[1].col = Col;
DrawList._VtxWritePtr[2].pos = intersection;
DrawList._VtxWritePtr[2].uv = uv;
DrawList._VtxWritePtr[2].col = Col;
DrawList._VtxWritePtr[3].pos = P12;
DrawList._VtxWritePtr[3].uv = uv;
DrawList._VtxWritePtr[3].col = Col;
DrawList._VtxWritePtr[4].pos = P22;
DrawList._VtxWritePtr[4].uv = uv;
DrawList._VtxWritePtr[4].col = Col;
DrawList._VtxWritePtr += 5;
DrawList._IdxWritePtr[0] = (ImDrawIdx)(DrawList._VtxCurrentIdx);
DrawList._IdxWritePtr[1] = (ImDrawIdx)(DrawList._VtxCurrentIdx + 1 + intersect);
DrawList._IdxWritePtr[2] = (ImDrawIdx)(DrawList._VtxCurrentIdx + 3);
DrawList._IdxWritePtr[3] = (ImDrawIdx)(DrawList._VtxCurrentIdx + 1);
DrawList._IdxWritePtr[4] = (ImDrawIdx)(DrawList._VtxCurrentIdx + 4);
DrawList._IdxWritePtr[5] = (ImDrawIdx)(DrawList._VtxCurrentIdx + 3 - intersect);
DrawList._IdxWritePtr += 6;
DrawList._VtxCurrentIdx += 5;
P11 = P21;
P12 = P22;
return true;
}
const TGetter1& Getter1;
const TGetter2& Getter2;
const TTransformer& Transformer;
const int Prims;
const ImU32 Col;
mutable ImVec2 P11;
mutable ImVec2 P12;
static const int IdxConsumed = 6;
static const int VtxConsumed = 5;
};
/// Renders primitive shapes in bulk as efficiently as possible.
template <typename Renderer>
IMPLOT_INLINE void RenderPrimitives(const Renderer& renderer, ImDrawList& DrawList, const ImRect& cull_rect) {
unsigned int prims = renderer.Prims;
unsigned int prims_culled = 0;
unsigned int idx = 0;
const ImVec2 uv = DrawList._Data->TexUvWhitePixel;
while (prims) {
// find how many can be reserved up to end of current draw command's limit
unsigned int cnt = ImMin(prims, (MaxIdx<ImDrawIdx>::Value - DrawList._VtxCurrentIdx) / Renderer::VtxConsumed);
// make sure at least this many elements can be rendered to avoid situations where at the end of buffer this slow path is not taken all the time
if (cnt >= ImMin(64u, prims)) {
if (prims_culled >= cnt)
prims_culled -= cnt; // reuse previous reservation
else {
DrawList.PrimReserve((cnt - prims_culled) * Renderer::IdxConsumed, (cnt - prims_culled) * Renderer::VtxConsumed); // add more elements to previous reservation
prims_culled = 0;
}
}
else
{
if (prims_culled > 0) {
DrawList.PrimUnreserve(prims_culled * Renderer::IdxConsumed, prims_culled * Renderer::VtxConsumed);
prims_culled = 0;
}
cnt = ImMin(prims, (MaxIdx<ImDrawIdx>::Value - 0/*DrawList._VtxCurrentIdx*/) / Renderer::VtxConsumed);
DrawList.PrimReserve(cnt * Renderer::IdxConsumed, cnt * Renderer::VtxConsumed); // reserve new draw command
}
prims -= cnt;
for (unsigned int ie = idx + cnt; idx != ie; ++idx) {
if (!renderer(DrawList, cull_rect, uv, idx))
prims_culled++;
}
}
if (prims_culled > 0)
DrawList.PrimUnreserve(prims_culled * Renderer::IdxConsumed, prims_culled * Renderer::VtxConsumed);
}
template <typename Getter, typename Transformer>
IMPLOT_INLINE void RenderLineStrip(const Getter& getter, const Transformer& transformer, ImDrawList& DrawList, float line_weight, ImU32 col) {
ImPlotContext& gp = *GImPlot;
if (ImHasFlag(gp.CurrentPlot->Flags, ImPlotFlags_AntiAliased) || gp.Style.AntiAliasedLines) {
ImVec2 p1 = transformer(getter(0));
for (int i = 1; i < getter.Count; ++i) {
ImVec2 p2 = transformer(getter(i));
if (gp.CurrentPlot->PlotRect.Overlaps(ImRect(ImMin(p1, p2), ImMax(p1, p2))))
DrawList.AddLine(p1, p2, col, line_weight);
p1 = p2;
}
}
else {
RenderPrimitives(LineStripRenderer<Getter,Transformer>(getter, transformer, col, line_weight), DrawList, gp.CurrentPlot->PlotRect);
}
}
template <typename Getter1, typename Getter2, typename Transformer>
IMPLOT_INLINE void RenderLineSegments(const Getter1& getter1, const Getter2& getter2, const Transformer& transformer, ImDrawList& DrawList, float line_weight, ImU32 col) {
ImPlotContext& gp = *GImPlot;
if (ImHasFlag(gp.CurrentPlot->Flags, ImPlotFlags_AntiAliased) || gp.Style.AntiAliasedLines) {
int I = ImMin(getter1.Count, getter2.Count);
for (int i = 0; i < I; ++i) {
ImVec2 p1 = transformer(getter1(i));
ImVec2 p2 = transformer(getter2(i));
if (gp.CurrentPlot->PlotRect.Overlaps(ImRect(ImMin(p1, p2), ImMax(p1, p2))))
DrawList.AddLine(p1, p2, col, line_weight);
}
}
else {
RenderPrimitives(LineSegmentsRenderer<Getter1,Getter2,Transformer>(getter1, getter2, transformer, col, line_weight), DrawList, gp.CurrentPlot->PlotRect);
}
}
template <typename Getter, typename Transformer>
IMPLOT_INLINE void RenderStairs(const Getter& getter, const Transformer& transformer, ImDrawList& DrawList, float line_weight, ImU32 col) {
ImPlotContext& gp = *GImPlot;
if (ImHasFlag(gp.CurrentPlot->Flags, ImPlotFlags_AntiAliased) || gp.Style.AntiAliasedLines) {
ImVec2 p1 = transformer(getter(0));
for (int i = 1; i < getter.Count; ++i) {
ImVec2 p2 = transformer(getter(i));
if (gp.CurrentPlot->PlotRect.Overlaps(ImRect(ImMin(p1, p2), ImMax(p1, p2)))) {
ImVec2 p12(p2.x, p1.y);
DrawList.AddLine(p1, p12, col, line_weight);
DrawList.AddLine(p12, p2, col, line_weight);
}
p1 = p2;
}
}
else {
RenderPrimitives(StairsRenderer<Getter,Transformer>(getter, transformer, col, line_weight), DrawList, gp.CurrentPlot->PlotRect);
}
}
//-----------------------------------------------------------------------------
// MARKER RENDERERS
//-----------------------------------------------------------------------------
IMPLOT_INLINE void TransformMarker(ImVec2* points, int n, const ImVec2& c, float s) {
for (int i = 0; i < n; ++i) {
points[i].x = c.x + points[i].x * s;
points[i].y = c.y + points[i].y * s;
}
}
IMPLOT_INLINE void RenderMarkerGeneral(ImDrawList& DrawList, ImVec2* points, int n, const ImVec2& c, float s, bool outline, ImU32 col_outline, bool fill, ImU32 col_fill, float weight) {
TransformMarker(points, n, c, s);
if (fill)
DrawList.AddConvexPolyFilled(points, n, col_fill);
if (outline && !(fill && col_outline == col_fill)) {
for (int i = 0; i < n; ++i)
DrawList.AddLine(points[i], points[(i+1)%n], col_outline, weight);
}
}
IMPLOT_INLINE void RenderMarkerCircle(ImDrawList& DrawList, const ImVec2& c, float s, bool outline, ImU32 col_outline, bool fill, ImU32 col_fill, float weight) {
ImVec2 marker[10] = {ImVec2(1.0f, 0.0f),
ImVec2(0.809017f, 0.58778524f),
ImVec2(0.30901697f, 0.95105654f),
ImVec2(-0.30901703f, 0.9510565f),
ImVec2(-0.80901706f, 0.5877852f),
ImVec2(-1.0f, 0.0f),
ImVec2(-0.80901694f, -0.58778536f),
ImVec2(-0.3090171f, -0.9510565f),
ImVec2(0.30901712f, -0.9510565f),
ImVec2(0.80901694f, -0.5877853f)};
RenderMarkerGeneral(DrawList, marker, 10, c, s, outline, col_outline, fill, col_fill, weight);
}
IMPLOT_INLINE void RenderMarkerDiamond(ImDrawList& DrawList, const ImVec2& c, float s, bool outline, ImU32 col_outline, bool fill, ImU32 col_fill, float weight) {
ImVec2 marker[4] = {ImVec2(1, 0), ImVec2(0, -1), ImVec2(-1, 0), ImVec2(0, 1)};
RenderMarkerGeneral(DrawList, marker, 4, c, s, outline, col_outline, fill, col_fill, weight);
}
IMPLOT_INLINE void RenderMarkerSquare(ImDrawList& DrawList, const ImVec2& c, float s, bool outline, ImU32 col_outline, bool fill, ImU32 col_fill, float weight) {
ImVec2 marker[4] = {ImVec2(SQRT_1_2,SQRT_1_2),ImVec2(SQRT_1_2,-SQRT_1_2),ImVec2(-SQRT_1_2,-SQRT_1_2),ImVec2(-SQRT_1_2,SQRT_1_2)};
RenderMarkerGeneral(DrawList, marker, 4, c, s, outline, col_outline, fill, col_fill, weight);
}
IMPLOT_INLINE void RenderMarkerUp(ImDrawList& DrawList, const ImVec2& c, float s, bool outline, ImU32 col_outline, bool fill, ImU32 col_fill, float weight) {
ImVec2 marker[3] = {ImVec2(SQRT_3_2,0.5f),ImVec2(0,-1),ImVec2(-SQRT_3_2,0.5f)};
RenderMarkerGeneral(DrawList, marker, 3, c, s, outline, col_outline, fill, col_fill, weight);
}
IMPLOT_INLINE void RenderMarkerDown(ImDrawList& DrawList, const ImVec2& c, float s, bool outline, ImU32 col_outline, bool fill, ImU32 col_fill, float weight) {
ImVec2 marker[3] = {ImVec2(SQRT_3_2,-0.5f),ImVec2(0,1),ImVec2(-SQRT_3_2,-0.5f)};
RenderMarkerGeneral(DrawList, marker, 3, c, s, outline, col_outline, fill, col_fill, weight);
}
IMPLOT_INLINE void RenderMarkerLeft(ImDrawList& DrawList, const ImVec2& c, float s, bool outline, ImU32 col_outline, bool fill, ImU32 col_fill, float weight) {
ImVec2 marker[3] = {ImVec2(-1,0), ImVec2(0.5, SQRT_3_2), ImVec2(0.5, -SQRT_3_2)};
RenderMarkerGeneral(DrawList, marker, 3, c, s, outline, col_outline, fill, col_fill, weight);
}
IMPLOT_INLINE void RenderMarkerRight(ImDrawList& DrawList, const ImVec2& c, float s, bool outline, ImU32 col_outline, bool fill, ImU32 col_fill, float weight) {
ImVec2 marker[3] = {ImVec2(1,0), ImVec2(-0.5, SQRT_3_2), ImVec2(-0.5, -SQRT_3_2)};
RenderMarkerGeneral(DrawList, marker, 3, c, s, outline, col_outline, fill, col_fill, weight);
}
IMPLOT_INLINE void RenderMarkerAsterisk(ImDrawList& DrawList, const ImVec2& c, float s, bool /*outline*/, ImU32 col_outline, bool /*fill*/, ImU32 /*col_fill*/, float weight) {
ImVec2 marker[6] = {ImVec2(SQRT_3_2, 0.5f), ImVec2(0, -1), ImVec2(-SQRT_3_2, 0.5f), ImVec2(SQRT_3_2, -0.5f), ImVec2(0, 1), ImVec2(-SQRT_3_2, -0.5f)};
TransformMarker(marker, 6, c, s);
DrawList.AddLine(marker[0], marker[5], col_outline, weight);
DrawList.AddLine(marker[1], marker[4], col_outline, weight);
DrawList.AddLine(marker[2], marker[3], col_outline, weight);
}
IMPLOT_INLINE void RenderMarkerPlus(ImDrawList& DrawList, const ImVec2& c, float s, bool /*outline*/, ImU32 col_outline, bool /*fill*/, ImU32 /*col_fill*/, float weight) {
ImVec2 marker[4] = {ImVec2(1, 0), ImVec2(0, -1), ImVec2(-1, 0), ImVec2(0, 1)};
TransformMarker(marker, 4, c, s);
DrawList.AddLine(marker[0], marker[2], col_outline, weight);
DrawList.AddLine(marker[1], marker[3], col_outline, weight);
}
IMPLOT_INLINE void RenderMarkerCross(ImDrawList& DrawList, const ImVec2& c, float s, bool /*outline*/, ImU32 col_outline, bool /*fill*/, ImU32 /*col_fill*/, float weight) {
ImVec2 marker[4] = {ImVec2(SQRT_1_2,SQRT_1_2),ImVec2(SQRT_1_2,-SQRT_1_2),ImVec2(-SQRT_1_2,-SQRT_1_2),ImVec2(-SQRT_1_2,SQRT_1_2)};
TransformMarker(marker, 4, c, s);
DrawList.AddLine(marker[0], marker[2], col_outline, weight);
DrawList.AddLine(marker[1], marker[3], col_outline, weight);
}
template <typename Transformer, typename Getter>
IMPLOT_INLINE void RenderMarkers(Getter getter, Transformer transformer, ImDrawList& DrawList, ImPlotMarker marker, float size, bool rend_mk_line, ImU32 col_mk_line, float weight, bool rend_mk_fill, ImU32 col_mk_fill) {
static void (*marker_table[ImPlotMarker_COUNT])(ImDrawList&, const ImVec2&, float s, bool, ImU32, bool, ImU32, float) = {
RenderMarkerCircle,
RenderMarkerSquare,
RenderMarkerDiamond ,
RenderMarkerUp ,
RenderMarkerDown ,
RenderMarkerLeft,
RenderMarkerRight,
RenderMarkerCross,
RenderMarkerPlus,
RenderMarkerAsterisk
};
ImPlotContext& gp = *GImPlot;
const ImRect& rect = gp.CurrentPlot->PlotRect;
for (int i = 0; i < getter.Count; ++i) {
ImVec2 c = transformer(getter(i));
if (c.x >= rect.Min.x && c.y >= rect.Min.y && c.x <= rect.Max.x && c.y <= rect.Max.y)
marker_table[marker](DrawList, c, size, rend_mk_line, col_mk_line, rend_mk_fill, col_mk_fill, weight);
}
}
//-----------------------------------------------------------------------------
// PLOT LINE
//-----------------------------------------------------------------------------
template <typename Getter>
IMPLOT_INLINE void PlotLineEx(const char* label_id, const Getter& getter) {
if (BeginItem(label_id, ImPlotCol_Line)) {
if (FitThisFrame()) {
for (int i = 0; i < getter.Count; ++i) {
ImPlotPoint p = getter(i);
FitPoint(p);
}
}
const ImPlotNextItemData& s = GetItemData();
ImDrawList& DrawList = *GetPlotDrawList();
if (getter.Count > 1 && s.RenderLine) {
const ImU32 col_line = ImGui::GetColorU32(s.Colors[ImPlotCol_Line]);
switch (GetCurrentScale()) {
case ImPlotScale_LinLin: RenderLineStrip(getter, TransformerLinLin(), DrawList, s.LineWeight, col_line); break;
case ImPlotScale_LogLin: RenderLineStrip(getter, TransformerLogLin(), DrawList, s.LineWeight, col_line); break;
case ImPlotScale_LinLog: RenderLineStrip(getter, TransformerLinLog(), DrawList, s.LineWeight, col_line); break;
case ImPlotScale_LogLog: RenderLineStrip(getter, TransformerLogLog(), DrawList, s.LineWeight, col_line); break;
}
}
// render markers
if (s.Marker != ImPlotMarker_None) {
// uncomment lines below to render markers over plot rect border
// PopPlotClipRect();
// PushPlotClipRect(s.MarkerSize);
const ImU32 col_line = ImGui::GetColorU32(s.Colors[ImPlotCol_MarkerOutline]);
const ImU32 col_fill = ImGui::GetColorU32(s.Colors[ImPlotCol_MarkerFill]);
switch (GetCurrentScale()) {
case ImPlotScale_LinLin: RenderMarkers(getter, TransformerLinLin(), DrawList, s.Marker, s.MarkerSize, s.RenderMarkerLine, col_line, s.MarkerWeight, s.RenderMarkerFill, col_fill); break;
case ImPlotScale_LogLin: RenderMarkers(getter, TransformerLogLin(), DrawList, s.Marker, s.MarkerSize, s.RenderMarkerLine, col_line, s.MarkerWeight, s.RenderMarkerFill, col_fill); break;
case ImPlotScale_LinLog: RenderMarkers(getter, TransformerLinLog(), DrawList, s.Marker, s.MarkerSize, s.RenderMarkerLine, col_line, s.MarkerWeight, s.RenderMarkerFill, col_fill); break;
case ImPlotScale_LogLog: RenderMarkers(getter, TransformerLogLog(), DrawList, s.Marker, s.MarkerSize, s.RenderMarkerLine, col_line, s.MarkerWeight, s.RenderMarkerFill, col_fill); break;
}
}
EndItem();
}
}
template <typename T>
void PlotLine(const char* label_id, const T* values, int count, double xscale, double x0, int offset, int stride) {
GetterXY<GetterLin,GetterIdx<T>> getter(GetterLin(xscale,x0),GetterIdx<T>(values,count,offset,stride),count);
PlotLineEx(label_id, getter);
}
template IMPLOT_API void PlotLine<ImS8> (const char* label_id, const ImS8* values, int count, double xscale, double x0, int offset, int stride);
template IMPLOT_API void PlotLine<ImU8> (const char* label_id, const ImU8* values, int count, double xscale, double x0, int offset, int stride);
template IMPLOT_API void PlotLine<ImS16>(const char* label_id, const ImS16* values, int count, double xscale, double x0, int offset, int stride);
template IMPLOT_API void PlotLine<ImU16>(const char* label_id, const ImU16* values, int count, double xscale, double x0, int offset, int stride);
template IMPLOT_API void PlotLine<ImS32>(const char* label_id, const ImS32* values, int count, double xscale, double x0, int offset, int stride);
template IMPLOT_API void PlotLine<ImU32>(const char* label_id, const ImU32* values, int count, double xscale, double x0, int offset, int stride);
template IMPLOT_API void PlotLine<ImS64>(const char* label_id, const ImS64* values, int count, double xscale, double x0, int offset, int stride);
template IMPLOT_API void PlotLine<ImU64>(const char* label_id, const ImU64* values, int count, double xscale, double x0, int offset, int stride);
template IMPLOT_API void PlotLine<float>(const char* label_id, const float* values, int count, double xscale, double x0, int offset, int stride);
template IMPLOT_API void PlotLine<double>(const char* label_id, const double* values, int count, double xscale, double x0, int offset, int stride);
template <typename T>
void PlotLine(const char* label_id, const T* xs, const T* ys, int count, int offset, int stride) {
GetterXY<GetterIdx<T>,GetterIdx<T>> getter(GetterIdx<T>(xs,count,offset,stride),GetterIdx<T>(ys,count,offset,stride),count);
return PlotLineEx(label_id, getter);
}
template IMPLOT_API void PlotLine<ImS8>(const char* label_id, const ImS8* xs, const ImS8* ys, int count, int offset, int stride);
template IMPLOT_API void PlotLine<ImU8>(const char* label_id, const ImU8* xs, const ImU8* ys, int count, int offset, int stride);
template IMPLOT_API void PlotLine<ImS16>(const char* label_id, const ImS16* xs, const ImS16* ys, int count, int offset, int stride);
template IMPLOT_API void PlotLine<ImU16>(const char* label_id, const ImU16* xs, const ImU16* ys, int count, int offset, int stride);
template IMPLOT_API void PlotLine<ImS32>(const char* label_id, const ImS32* xs, const ImS32* ys, int count, int offset, int stride);
template IMPLOT_API void PlotLine<ImU32>(const char* label_id, const ImU32* xs, const ImU32* ys, int count, int offset, int stride);
template IMPLOT_API void PlotLine<ImS64>(const char* label_id, const ImS64* xs, const ImS64* ys, int count, int offset, int stride);
template IMPLOT_API void PlotLine<ImU64>(const char* label_id, const ImU64* xs, const ImU64* ys, int count, int offset, int stride);
template IMPLOT_API void PlotLine<float>(const char* label_id, const float* xs, const float* ys, int count, int offset, int stride);
template IMPLOT_API void PlotLine<double>(const char* label_id, const double* xs, const double* ys, int count, int offset, int stride);
// custom