📄 dc_helper.cpp
字号:
///////////////////////////////////////////////////////////
// //
// SAGA //
// //
// System for Automated Geoscientific Analyses //
// //
// User Interface //
// //
// Program: SAGA //
// //
//-------------------------------------------------------//
// //
// DC_Helper.cpp //
// //
// Copyright (C) 2005 by Olaf Conrad //
// //
//-------------------------------------------------------//
// //
// This file is part of 'SAGA - System for Automated //
// Geoscientific Analyses'. SAGA is free software; you //
// can redistribute it and/or modify it under the terms //
// of the GNU General Public License as published by the //
// Free Software Foundation; version 2 of the License. //
// //
// SAGA is distributed in the hope that it will be //
// useful, but WITHOUT ANY WARRANTY; without even the //
// implied warranty of MERCHANTABILITY or FITNESS FOR A //
// PARTICULAR PURPOSE. See the GNU General Public //
// License for more details. //
// //
// You should have received a copy of the GNU General //
// Public License along with this program; if not, //
// write to the Free Software Foundation, Inc., //
// 59 Temple Place - Suite 330, Boston, MA 02111-1307, //
// USA. //
// //
//-------------------------------------------------------//
// //
// contact: Olaf Conrad //
// Institute of Geography //
// University of Goettingen //
// Goldschmidtstr. 5 //
// 37077 Goettingen //
// Germany //
// //
// e-mail: oconrad@saga-gis.org //
// //
///////////////////////////////////////////////////////////
//---------------------------------------------------------
///////////////////////////////////////////////////////////
// //
// //
// //
///////////////////////////////////////////////////////////
//---------------------------------------------------------
#include <wx/window.h>
#include <saga_api/saga_api.h>
#include "helper.h"
#include "dc_helper.h"
///////////////////////////////////////////////////////////
// //
// //
// //
///////////////////////////////////////////////////////////
//---------------------------------------------------------
void Draw_Edge(wxDC &dc, int Edge_Style, int ax, int ay, int bx, int by)
{
wxPen oldPen;
switch( Edge_Style )
{
//-----------------------------------------------------
case EDGE_STYLE_SIMPLE:
dc.DrawLine(bx, ay, bx, by);
dc.DrawLine(bx, by, ax, by);
dc.DrawLine(ax, ay, bx, ay);
dc.DrawLine(ax, by, ax, ay);
break;
//-----------------------------------------------------
case EDGE_STYLE_STATIC:
Draw_Edge(dc, EDGE_STYLE_SUNKEN, ax + 0, ay + 0, bx - 0, by - 0);
Draw_Edge(dc, EDGE_STYLE_RAISED, ax + 1, ay + 1, bx - 1, by - 1);
break;
//-----------------------------------------------------
case EDGE_STYLE_SUNKEN:
oldPen = dc.GetPen();
dc.SetPen(wxPen(SYS_Get_Color(wxSYS_COLOUR_BTNHIGHLIGHT), 0, wxSOLID));
dc.DrawLine(bx, ay, bx, by);
dc.DrawLine(bx, by, ax, by);
dc.SetPen(wxPen(SYS_Get_Color(wxSYS_COLOUR_BTNSHADOW ), 0, wxSOLID));
dc.DrawLine(ax, by, ax, ay);
dc.DrawLine(ax, ay, bx, ay);
dc.SetPen(oldPen);
break;
//-----------------------------------------------------
case EDGE_STYLE_RAISED:
oldPen = dc.GetPen();
dc.SetPen(wxPen(SYS_Get_Color(wxSYS_COLOUR_BTNSHADOW ), 0, wxSOLID));
dc.DrawLine(bx, ay, bx, by);
dc.DrawLine(bx, by, ax, by);
dc.SetPen(wxPen(SYS_Get_Color(wxSYS_COLOUR_BTNHIGHLIGHT), 0, wxSOLID));
dc.DrawLine(ax, by, ax, ay);
dc.DrawLine(ax, ay, bx, ay);
dc.SetPen(oldPen);
break;
}
}
//---------------------------------------------------------
void Draw_Edge(wxDC &dc, int Edge_Style, wxRect r)
{
Draw_Edge(dc, Edge_Style, r.GetLeft(), r.GetTop(), r.GetRight(), r.GetBottom());
}
///////////////////////////////////////////////////////////
// //
// //
// //
///////////////////////////////////////////////////////////
//---------------------------------------------------------
void Draw_Rect(wxDC &dc, wxColour Color, int ax, int ay, int bx, int by)
{
Draw_FillRect(dc, Color, ax, ay, bx, by);
Draw_Edge(dc, EDGE_STYLE_SIMPLE, ax, ay, bx, by);
}
//---------------------------------------------------------
void Draw_Rect(wxDC &dc, wxColour Color, wxRect r)
{
Draw_Rect(dc, Color, r.GetLeft(), r.GetTop(), r.GetRight(), r.GetBottom());
}
///////////////////////////////////////////////////////////
// //
// //
// //
///////////////////////////////////////////////////////////
//---------------------------------------------------------
void Draw_FillRect(wxDC &dc, wxColour Color, int ax, int ay, int bx, int by)
{
int i;
wxPen Pen, oldPen;
//-----------------------------------------------------
oldPen = dc.GetPen();
Pen.SetColour(Color);
dc.SetPen(Pen);
if( ax > bx )
{
i = ax; ax = bx; bx = i;
}
if( ay > by )
{
i = ay; ay = by; by = i;
}
//-----------------------------------------------------
if( bx - ax < by - ay )
{
for(i=ax; i<bx; i++)
{
dc.DrawLine(i, ay, i, by);
}
}
else
{
for(i=ay; i<by; i++)
{
dc.DrawLine(ax, i, bx, i);
}
}
//-----------------------------------------------------
dc.SetPen(oldPen);
}
//---------------------------------------------------------
void Draw_FillRect(wxDC &dc, wxColour Color, wxRect r)
{
Draw_FillRect(dc, Color, r.GetLeft(), r.GetTop(), r.GetRight(), r.GetBottom());
}
///////////////////////////////////////////////////////////
// //
// //
// //
///////////////////////////////////////////////////////////
//---------------------------------------------------------
void Draw_Text(wxDC &dc, int Align, int x, int y, const wxString &Text)
{
wxCoord xSize, ySize;
if( Align != TEXTALIGN_TOPLEFT )
{
dc.GetTextExtent(Text, &xSize, &ySize);
//-------------------------------------------------
if ( Align & TEXTALIGN_XCENTER )
{
x -= xSize / 2;
}
else if ( Align & TEXTALIGN_RIGHT )
{
x -= xSize;
}
//-------------------------------------------------
if ( Align & TEXTALIGN_YCENTER )
{
y -= ySize / 2;
}
else if ( Align & TEXTALIGN_BOTTOM )
{
y -= ySize;
}
}
dc.DrawText(Text, x, y);
}
//---------------------------------------------------------
void Draw_Text(wxDC &dc, int Align, int x, int y, double Angle, const wxString &Text)
{
double d;
wxCoord xSize, ySize;
if( Align != TEXTALIGN_TOPLEFT )
{
dc.GetTextExtent(Text, &xSize, &ySize);
//-------------------------------------------------
d = M_DEG_TO_RAD * Angle;
if ( Align & TEXTALIGN_XCENTER )
{
x -= (int)(xSize * cos(d) / 2.0);
y += (int)(xSize * sin(d) / 2.0);
}
else if ( Align & TEXTALIGN_RIGHT )
{
x -= (int)(xSize * cos(d));
y += (int)(xSize * sin(d));
}
//-------------------------------------------------
d = M_DEG_TO_RAD * (Angle - 90.0);
if ( Align & TEXTALIGN_YCENTER )
{
x -= (int)(ySize * cos(d) / 2.0);
y += (int)(ySize * sin(d) / 2.0);
}
else if ( Align & TEXTALIGN_BOTTOM )
{
x -= (int)(ySize * cos(d));
y += (int)(ySize * sin(d));
}
}
dc.DrawRotatedText(Text, x, y, Angle);
}
///////////////////////////////////////////////////////////
// //
// //
// //
///////////////////////////////////////////////////////////
//---------------------------------------------------------
#define TEXTSPACE 4
//---------------------------------------------------------
void Draw_Scale(wxDC &dc, wxRect r, double zMin, double zMax, bool bHorizontal, bool bAscendent, bool bTickAtTop)
{
int xOff, yOff, Width, Height, Height_Tick, Decimals, zDC, yDC, Style, x, y, n;
double z, dz, zToDC;
wxString s;
wxFont Font, oldFont;
//-----------------------------------------------------
Style = bTickAtTop ? 1 : 2;
Width = bHorizontal ? r.GetWidth() : r.GetHeight();
Height = bHorizontal ? r.GetHeight() : r.GetWidth();
if( zMin < zMax && Width > 0 && Height > 0 )
{
xOff = r.GetLeft();
yOff = r.GetTop();
oldFont = dc.GetFont();
yDC = (int)((Style == 0 ? 0.60 : 0.45) * (double)Height);
Font.Create(yDC, wxSWISS, wxNORMAL, wxNORMAL);
dc.SetFont(Font);
Height_Tick = (int)((Style == 0 ? 1.00 : 0.30) * (double)Height);
//-------------------------------------------------
zToDC = (double)Width / (zMax - zMin);
dz = pow(10.0, floor(log10(zMax - zMin)) - 1.0);
Decimals = dz >= 1.0 ? 0 : (int)fabs(log10(dz));
s.Printf(wxT("%.*f"), Decimals, zMax);
dc.GetTextExtent(s, &zDC, &yDC);
while( zToDC * dz < zDC + TEXTSPACE )
{
dz *= 2;
}
//-------------------------------------------------
z = dz * floor(zMin / dz);
if( Style != 0 && z < zMin ) z += dz;
for(; z<=zMax; z+=dz)
{
s.Printf(wxT("%.*f"), Decimals, z);
zDC = bAscendent ? (int)(zToDC * (z - zMin)) : Width - 1 - (int)(zToDC * (z - zMin));
if( bHorizontal )
{
x = xOff + zDC;
y = yOff;
n = yOff + Height;
switch( Style )
{
case 0: // ...
dc.DrawLine(x, y, x, y + Height_Tick);
Draw_Text(dc, TEXTALIGN_CENTERLEFT , x + 2, y + Height / 2, s);
break;
case 1: // tick at top...
dc.DrawLine(x, y, x, y + Height_Tick);
Draw_Text(dc, TEXTALIGN_TOPCENTER , x, y + Height_Tick, s);
break;
case 2: // tick at bottom...
dc.DrawLine(x, n, x, n - Height_Tick);
Draw_Text(dc, TEXTALIGN_BOTTOMCENTER, x, n - Height_Tick, s);
break;
}
}
else
{
x = xOff;
y = yOff + zDC;
n = xOff + Height;
switch( Style )
{
case 0: // ...
dc.DrawLine(x, y, x + Height_Tick, y);
Draw_Text(dc, TEXTALIGN_CENTERLEFT , x + Height / 2, y - 2, 90.0, s);
break;
case 1: // tick at top...
dc.DrawLine(x, y, x + Height_Tick, y);
Draw_Text(dc, TEXTALIGN_TOPCENTER , x + Height_Tick, y, 90.0, s);
break;
case 2: // tick at bottom...
dc.DrawLine(n, y, n - Height_Tick, y);
Draw_Text(dc, TEXTALIGN_BOTTOMCENTER, n - Height_Tick, y, 90.0, s);
break;
}
}
}
//-------------------------------------------------
dc.SetFont(oldFont);
}
}
///////////////////////////////////////////////////////////
// //
// //
// //
///////////////////////////////////////////////////////////
//---------------------------------------------------------
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -