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clean up getters

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This commit is contained in:
epezent 2020-09-15 08:56:58 -05:00
parent eff5cee895
commit f348c15fde
1 changed files with 81 additions and 60 deletions
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141
implot_items.cpp
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@ -211,48 +211,56 @@ void EndItem() {
// Getters can be thought of as iterators that convert user data (e.g. raw arrays)
// to ImPlotPoints
// TODO: Make members const
// Interprets an array of Y points as ImPlotPoints where the X value is the index
template <typename T>
struct GetterYs {
GetterYs(const T* ys, int count, double xscale, double x0, int offset, int stride) :
Ys(ys), Count(count), XScale(xscale), X0(x0), Offset(count ? ImPosMod(offset, count) : 0), Stride(stride)
Ys(ys),
Count(count),
XScale(xscale),
X0(x0),
Offset(count ? ImPosMod(offset, count) : 0),
Stride(stride)
{ }
inline ImPlotPoint operator()(int idx) const {
return ImPlotPoint(X0 + XScale * idx, (double)OffsetAndStride(Ys, idx, Count, Offset, Stride));
}
const T* const Ys;
const int Count;
const double XScale;
const double X0;
const int Offset;
const int Stride;
inline ImPlotPoint operator()(int idx) const {
return ImPlotPoint(X0 + XScale * idx, (double)OffsetAndStride(Ys, idx, Count, Offset, Stride));
}
};
// Interprets separate arrays for X and Y points as ImPlotPoints
template <typename T>
struct GetterXsYs {
GetterXsYs(const T* xs, const T* ys, int count, int offset, int stride) {
Xs = xs; Ys = ys;
Count = count;
Offset = count ? ImPosMod(offset, count) : 0;
Stride = stride;
}
const T* Xs;
const T* Ys;
int Count;
int Offset;
int Stride;
GetterXsYs(const T* xs, const T* ys, int count, int offset, int stride) :
Xs(xs),
Ys(ys),
Count(count),
Offset(count ? ImPosMod(offset, count) : 0),
Stride(stride)
{ }
inline ImPlotPoint operator()(int idx) const {
return ImPlotPoint((double)OffsetAndStride(Xs, idx, Count, Offset, Stride), (double)OffsetAndStride(Ys, idx, Count, Offset, Stride));
}
const T* const Xs;
const T* const Ys;
const int Count;
const int Offset;
const int Stride;
};
// Always returns a constant Y reference value where the X value is the index
struct GetterYRef {
GetterYRef(double y_ref, int count, double xscale, double x0) : YRef(y_ref), Count(count), XScale(xscale), X0(x0) { }
GetterYRef(double y_ref, int count, double xscale, double x0) :
YRef(y_ref),
Count(count),
XScale(xscale),
X0(x0)
{ }
inline ImPlotPoint operator()(int idx) const {
return ImPlotPoint(X0 + XScale*idx, YRef);
}
@ -263,41 +271,41 @@ struct GetterYRef {
};
// Interprets an array of X points as ImPlotPoints where the Y value is a constant reference value
template <typename T, typename Y>
template <typename T>
struct GetterXsYRef {
GetterXsYRef(const T* xs, Y y_ref, int count, int offset, int stride) {
Xs = xs;
YRef = y_ref;
Count = count;
Offset = count ? ImPosMod(offset, count) : 0;
Stride = stride;
}
const T* Xs;
Y YRef;
int Count;
int Offset;
int Stride;
GetterXsYRef(const T* xs, double y_ref, int count, int offset, int stride) :
Xs(xs),
YRef(y_ref),
Count(count),
Offset(count ? ImPosMod(offset, count) : 0),
Stride(stride)
{ }
inline ImPlotPoint operator()(int idx) const {
return ImPlotPoint((double)OffsetAndStride(Xs, idx, Count, Offset, Stride), (double)YRef);
return ImPlotPoint((double)OffsetAndStride(Xs, idx, Count, Offset, Stride), YRef);
}
const T* const Xs;
const double YRef;
const int Count;
const int Offset;
const int Stride;
};
/// Interprets a user's function pointer as ImPlotPoints
struct GetterFuncPtrImPlotPoint {
GetterFuncPtrImPlotPoint(ImPlotPoint (*g)(void* data, int idx), void* d, int count, int offset) {
getter = g;
Data = d;
Count = count;
Offset = count ? ImPosMod(offset, count) : 0;
}
struct GetterFuncPtr {
GetterFuncPtr(ImPlotPoint (*getter)(void* data, int idx), void* data, int count, int offset) :
Getter(getter),
Data(data),
Count(count),
Offset(count ? ImPosMod(offset, count) : 0)
{ }
inline ImPlotPoint operator()(int idx) const {
idx = ImPosMod(Offset + idx, Count);
return getter(Data, idx);
return Getter(Data, idx);
}
ImPlotPoint (*getter)(void* data, int idx);
void* Data;
int Count;
int Offset;
ImPlotPoint (* const Getter)(void* data, int idx);
void* const Data;
const int Count;
const int Offset;
};
template <typename T>
@ -316,16 +324,29 @@ struct GetterBarH {
template <typename T>
struct GetterError {
const T* Xs; const T* Ys; const T* Neg; const T* Pos; int Count; int Offset; int Stride;
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 = offset; Stride = stride;
}
ImPlotPointError operator()(int idx) const {
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)
{ }
inline ImPlotPointError operator()(int idx) const {
return ImPlotPointError((double)OffsetAndStride(Xs, idx, Count, Offset, Stride),
(double)OffsetAndStride(Ys, idx, Count, Offset, Stride),
(double)OffsetAndStride(Neg, idx, Count, Offset, Stride),
(double)OffsetAndStride(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;
};
//-----------------------------------------------------------------------------
@ -848,7 +869,7 @@ template IMPLOT_API void PlotLine<double>(const char* label_id, const double* xs
// custom
void PlotLineG(const char* label_id, ImPlotPoint (*getter_func)(void* data, int idx), void* data, int count, int offset) {
GetterFuncPtrImPlotPoint getter(getter_func,data, count, offset);
GetterFuncPtr getter(getter_func,data, count, offset);
return PlotLineEx(label_id, getter);
}
@ -919,7 +940,7 @@ template IMPLOT_API void PlotScatter<double>(const char* label_id, const double*
// custom
void PlotScatterG(const char* label_id, ImPlotPoint (*getter_func)(void* data, int idx), void* data, int count, int offset) {
GetterFuncPtrImPlotPoint getter(getter_func,data, count, offset);
GetterFuncPtr getter(getter_func,data, count, offset);
return PlotScatterEx(label_id, getter);
}
@ -974,7 +995,7 @@ template IMPLOT_API void PlotShaded<double>(const char* label_id, const double*
template <typename T>
void PlotShaded(const char* label_id, const T* xs, const T* ys, int count, double y_ref, int offset, int stride) {
GetterXsYs<T> getter1(xs, ys, count, offset, stride);
GetterXsYRef<T,double> getter2(xs, y_ref, count, offset, stride);
GetterXsYRef<T> getter2(xs, y_ref, count, offset, stride);
PlotShadedEx(label_id, getter1, getter2);
}
@ -1009,8 +1030,8 @@ template IMPLOT_API void PlotShaded<double>(const char* label_id, const double*
// custom
void PlotShadedG(const char* label_id, ImPlotPoint (*g1)(void* data, int idx), void* data1, ImPlotPoint (*g2)(void* data, int idx), void* data2, int count, int offset) {
GetterFuncPtrImPlotPoint getter1(g1, data1, count, offset);
GetterFuncPtrImPlotPoint getter2(g2, data2, count, offset);
GetterFuncPtr getter1(g1, data1, count, offset);
GetterFuncPtr getter2(g2, data2, count, offset);
PlotShadedEx(label_id, getter1, getter2);
}
@ -1089,7 +1110,7 @@ template IMPLOT_API void PlotBars<double>(const char* label_id, const double* xs
// custom
void PlotBarsG(const char* label_id, ImPlotPoint (*getter_func)(void* data, int idx), void* data, int count, double width, int offset) {
GetterFuncPtrImPlotPoint getter(getter_func, data, count, offset);
GetterFuncPtr getter(getter_func, data, count, offset);
PlotBarsEx(label_id, getter, width);
}
@ -1168,7 +1189,7 @@ template IMPLOT_API void PlotBarsH<double>(const char* label_id, const double* x
// custom
void PlotBarsHG(const char* label_id, ImPlotPoint (*getter_func)(void* data, int idx), void* data, int count, double height, int offset) {
GetterFuncPtrImPlotPoint getter(getter_func, data, count, offset);
GetterFuncPtr getter(getter_func, data, count, offset);
PlotBarsHEx(label_id, getter, height);
}
@ -1367,7 +1388,7 @@ template IMPLOT_API void PlotStems<double>(const char* label_id, const double* v
template <typename T>
void PlotStems(const char* label_id, const T* xs, const T* ys, int count, double y_ref, int offset, int stride) {
GetterXsYs<T> get_mark(xs,ys,count,offset,stride);
GetterXsYRef<T,double> get_base(xs,y_ref,count,offset,stride);
GetterXsYRef<T> get_base(xs,y_ref,count,offset,stride);
PlotStemsEx(label_id, get_mark, get_base);
}
@ -1619,7 +1640,7 @@ template IMPLOT_API void PlotDigital<double>(const char* label_id, const double*
// custom
void PlotDigitalG(const char* label_id, ImPlotPoint (*getter_func)(void* data, int idx), void* data, int count, int offset) {
GetterFuncPtrImPlotPoint getter(getter_func,data,count,offset);
GetterFuncPtr getter(getter_func,data,count,offset);
return PlotDigitalEx(label_id, getter);
}
@ -1664,7 +1685,7 @@ void PlotRects(const char* label_id, const double* xs, const double* ys, int cou
// custom
void PlotRects(const char* label_id, ImPlotPoint (*getter_func)(void* data, int idx), void* data, int count, int offset) {
GetterFuncPtrImPlotPoint getter(getter_func,data,count,offset);
GetterFuncPtr getter(getter_func,data,count,offset);
return PlotRectsEx(label_id, getter);
}