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clean up getters

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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) // Getters can be thought of as iterators that convert user data (e.g. raw arrays)
// to ImPlotPoints // to ImPlotPoints
// TODO: Make members const
// Interprets an array of Y points as ImPlotPoints where the X value is the index // Interprets an array of Y points as ImPlotPoints where the X value is the index
template <typename T> template <typename T>
struct GetterYs { struct GetterYs {
GetterYs(const T* ys, int count, double xscale, double x0, int offset, int stride) : 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 T* const Ys;
const int Count; const int Count;
const double XScale; const double XScale;
const double X0; const double X0;
const int Offset; const int Offset;
const int Stride; 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 // Interprets separate arrays for X and Y points as ImPlotPoints
template <typename T> template <typename T>
struct GetterXsYs { struct GetterXsYs {
GetterXsYs(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; Xs(xs),
Count = count; Ys(ys),
Offset = count ? ImPosMod(offset, count) : 0; Count(count),
Stride = stride; Offset(count ? ImPosMod(offset, count) : 0),
Stride(stride)
} { }
const T* Xs;
const T* Ys;
int Count;
int Offset;
int Stride;
inline ImPlotPoint operator()(int idx) const { inline ImPlotPoint operator()(int idx) const {
return ImPlotPoint((double)OffsetAndStride(Xs, idx, Count, Offset, Stride), (double)OffsetAndStride(Ys, idx, Count, Offset, Stride)); 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 // Always returns a constant Y reference value where the X value is the index
struct GetterYRef { 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 { inline ImPlotPoint operator()(int idx) const {
return ImPlotPoint(X0 + XScale*idx, YRef); 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 // 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 { struct GetterXsYRef {
GetterXsYRef(const T* xs, Y y_ref, int count, int offset, int stride) { GetterXsYRef(const T* xs, double y_ref, int count, int offset, int stride) :
Xs = xs; Xs(xs),
YRef = y_ref; YRef(y_ref),
Count = count; Count(count),
Offset = count ? ImPosMod(offset, count) : 0; Offset(count ? ImPosMod(offset, count) : 0),
Stride = stride; Stride(stride)
} { }
const T* Xs;
Y YRef;
int Count;
int Offset;
int Stride;
inline ImPlotPoint operator()(int idx) const { 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 /// Interprets a user's function pointer as ImPlotPoints
struct GetterFuncPtrImPlotPoint { struct GetterFuncPtr {
GetterFuncPtrImPlotPoint(ImPlotPoint (*g)(void* data, int idx), void* d, int count, int offset) { GetterFuncPtr(ImPlotPoint (*getter)(void* data, int idx), void* data, int count, int offset) :
getter = g; Getter(getter),
Data = d; Data(data),
Count = count; Count(count),
Offset = count ? ImPosMod(offset, count) : 0; Offset(count ? ImPosMod(offset, count) : 0)
} { }
inline ImPlotPoint operator()(int idx) const { inline ImPlotPoint operator()(int idx) const {
idx = ImPosMod(Offset + idx, Count); idx = ImPosMod(Offset + idx, Count);
return getter(Data, idx); return Getter(Data, idx);
} }
ImPlotPoint (*getter)(void* data, int idx); ImPlotPoint (* const Getter)(void* data, int idx);
void* Data; void* const Data;
int Count; const int Count;
int Offset; const int Offset;
}; };
template <typename T> template <typename T>
@ -316,16 +324,29 @@ struct GetterBarH {
template <typename T> template <typename T>
struct GetterError { 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) :
GetterError(const T* xs, const T* ys, const T* neg, const T* pos, int count, int offset, int stride) { Xs(xs),
Xs = xs; Ys = ys; Neg = neg; Pos = pos; Count = count; Offset = offset; Stride = stride; Ys(ys),
} Neg(neg),
ImPlotPointError operator()(int idx) const { 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), return ImPlotPointError((double)OffsetAndStride(Xs, idx, Count, Offset, Stride),
(double)OffsetAndStride(Ys, idx, Count, Offset, Stride), (double)OffsetAndStride(Ys, idx, Count, Offset, Stride),
(double)OffsetAndStride(Neg, idx, Count, Offset, Stride), (double)OffsetAndStride(Neg, idx, Count, Offset, Stride),
(double)OffsetAndStride(Pos, 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 // custom
void PlotLineG(const char* label_id, ImPlotPoint (*getter_func)(void* data, int idx), void* data, int count, int offset) { 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); return PlotLineEx(label_id, getter);
} }
@ -919,7 +940,7 @@ template IMPLOT_API void PlotScatter<double>(const char* label_id, const double*
// custom // custom
void PlotScatterG(const char* label_id, ImPlotPoint (*getter_func)(void* data, int idx), void* data, int count, int offset) { 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); return PlotScatterEx(label_id, getter);
} }
@ -974,7 +995,7 @@ template IMPLOT_API void PlotShaded<double>(const char* label_id, const double*
template <typename T> template <typename T>
void PlotShaded(const char* label_id, const T* xs, const T* ys, int count, double y_ref, int offset, int stride) { 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); 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); PlotShadedEx(label_id, getter1, getter2);
} }
@ -1009,8 +1030,8 @@ template IMPLOT_API void PlotShaded<double>(const char* label_id, const double*
// custom // 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) { 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); GetterFuncPtr getter1(g1, data1, count, offset);
GetterFuncPtrImPlotPoint getter2(g2, data2, count, offset); GetterFuncPtr getter2(g2, data2, count, offset);
PlotShadedEx(label_id, getter1, getter2); PlotShadedEx(label_id, getter1, getter2);
} }
@ -1089,7 +1110,7 @@ template IMPLOT_API void PlotBars<double>(const char* label_id, const double* xs
// custom // custom
void PlotBarsG(const char* label_id, ImPlotPoint (*getter_func)(void* data, int idx), void* data, int count, double width, int offset) { 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); PlotBarsEx(label_id, getter, width);
} }
@ -1168,7 +1189,7 @@ template IMPLOT_API void PlotBarsH<double>(const char* label_id, const double* x
// custom // custom
void PlotBarsHG(const char* label_id, ImPlotPoint (*getter_func)(void* data, int idx), void* data, int count, double height, int offset) { 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); 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> template <typename T>
void PlotStems(const char* label_id, const T* xs, const T* ys, int count, double y_ref, int offset, int stride) { 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); 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); PlotStemsEx(label_id, get_mark, get_base);
} }
@ -1619,7 +1640,7 @@ template IMPLOT_API void PlotDigital<double>(const char* label_id, const double*
// custom // custom
void PlotDigitalG(const char* label_id, ImPlotPoint (*getter_func)(void* data, int idx), void* data, int count, int offset) { 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); return PlotDigitalEx(label_id, getter);
} }
@ -1664,7 +1685,7 @@ void PlotRects(const char* label_id, const double* xs, const double* ys, int cou
// custom // custom
void PlotRects(const char* label_id, ImPlotPoint (*getter_func)(void* data, int idx), void* data, int count, int offset) { 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); return PlotRectsEx(label_id, getter);
} }