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// ---------------------------------------------------------------------------
#include <fmx.h>
#pragma hdrstop
#include "GraphicDefilant.h"
#pragma package(smart_init)
// ---------------------------------------------------------------------------
// ValidCtrCheck est utilisée pour garantir que les composants créés n'ont pas
// de fonctions virtuelles pures.
//
static inline void ValidCtrCheck(TGraphicDefilant *) {
new TGraphicDefilant(NULL);
}
// ---------------------------------------------------------------------------
__fastcall TGraphicDefilant::TGraphicDefilant(TComponent* Owner)
: TStyledControl(Owner) {
FFormatX = "%3.2f";
FFormatY = "%3.2f";
}
// ---------------------------------------------------------------------------
namespace Graphicdefilant {
void __fastcall PACKAGE Register() {
TComponentClass classes[1] = {__classid(TGraphicDefilant)};
RegisterComponents(L"Samples", classes, 0);
}
}
// ---------------------------------------------------------------------------
void __fastcall TGraphicDefilant::Paint() {
TStyledControl::Paint();
double minY = -1;
double maxY = 1;
double minX = 0;
double maxX = 200;
TVarRec arga[1] = {(long double)minY};
String stYmin = Format(FormatY, arga, 0);
TVarRec argb[1] = {(long double)maxY};
String stYmax = Format(FormatY, argb, 0);
TVarRec argc[1] = {(long double)minX};
String stXmin = Format(FormatX, argc, 0);
TVarRec argd[1] = {(long double)minY};
String stXmax = Format(FormatX, argd, 0);
int marge = 4;
Canvas->Fill->Color = claWhite;
Canvas->FillRect(TRectF(0, 0, Width, Height), 0, 0, AllCorners, 100);
float HXtxt = Canvas->TextHeight(stXmin);
if (Canvas->TextHeight(stXmax) > HXtxt)
HXtxt = Canvas->TextHeight(stXmax);
float LYtxt = Canvas->TextWidth(stYmin);
if (Canvas->TextWidth(stYmax) > LYtxt)
LYtxt = Canvas->TextWidth(stYmax);
float HYtxt1 = Canvas->TextHeight(stYmax);
float HYtxt0 = Canvas->TextHeight(stYmin);
float LXtxt1 = Canvas->TextWidth(stXmax);
float LXtxt0 = Canvas->TextWidth(stXmin);
float Ay = marge + HYtxt1 / 2;
float Ax = marge + LYtxt + marge;
float Ox = Ax;
float Oy = Height - marge - HXtxt - marge;
float By = Oy;
float Bx = Width - marge - LXtxt1 / 2 - marge;
Canvas->Stroke->Color = claBlack;
Canvas->DrawRect(TRectF(Ax, Ay, Bx, By), 0, 0, AllCorners, 100);
Canvas->Fill->Color = claBlack;
Canvas->FillText(TRectF(marge, marge, marge + LYtxt, marge + HYtxt1),
stYmax, false, 1, TFillTextFlags() << TFillTextFlag::RightToLeft,
TTextAlign::Center, TTextAlign::Center);
Canvas->FillText(TRectF(marge, Oy - HYtxt0 / 2, marge + LYtxt,
Oy - HYtxt0 / 2 + HYtxt0), stYmin, false, 1,
TFillTextFlags() << TFillTextFlag::RightToLeft, TTextAlign::Center,
TTextAlign::Center);
Canvas->FillText(TRectF(Ox - LXtxt0 / 2, Oy + marge, Ox + LXtxt0 / 2,
Oy + marge + HXtxt), stXmin, false, 1,
TFillTextFlags() << TFillTextFlag::RightToLeft, TTextAlign::Center,
TTextAlign::Center);
Canvas->FillText(TRectF(Bx - LXtxt1 / 2, Oy + marge, Bx + LXtxt1 / 2,
Oy + marge + HXtxt), stXmax, false, 1,
TFillTextFlags() << TFillTextFlag::RightToLeft, TTextAlign::Center,
TTextAlign::Center);
Canvas->EndScene();
}
// ---------------------------------------------------------------------------
void __fastcall TGraphicDefilant::SetFormatX(const String Value) {
FFormatX = Value;
}
// ---------------------------------------------------------------------------
void __fastcall TGraphicDefilant::SetFormatY(const String Value) {
FFormatY = Value;
}
// --------------------------------------------------------------------------- |
