kicad/include/gr_text.h

129 lines
5.6 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2009-2014 Jerry Jacobs
* Copyright (C) 1992-2014 KiCad Developers, see CHANGELOG.TXT for contributors.
*
* This program 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; either version 2
* of the License, or (at your option) any later version.
*
* This program 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, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
/**
* This file is part of the common libary
* @file drawtxt.h
* @see common.h
*/
#ifndef __INCLUDE__DRAWTXT_H__
#define __INCLUDE__DRAWTXT_H__ 1
#include <base_struct.h>
#include <eda_text.h> // EDA_TEXT_HJUSTIFY_T and EDA_TEXT_VJUSTIFY_T
/* Minimum dimension in pixel for drawing/no drawing a text
* used in Pcbnew to decide to draw (or not) some texts
* ( like net names on pads/tracks )
* When a text height is smaller than MIN_TEXT_SIZE,
* it is not drawn by Pcbnew
*/
#define MIN_TEXT_SIZE 5
/* Absolute minimum dimension in pixel to draw a text as text or a line
* When a text height is smaller than MIN_DRAWABLE_TEXT_SIZE,
* it is drawn, but like a line by the draw text function
*/
#define MIN_DRAWABLE_TEXT_SIZE 3
class PLOTTER;
/**
* Function Clamp_Text_PenSize
*As a rule, pen width should not be >1/4em, otherwise the character
* will be cluttered up in its own fatness
* The pen width max is aSize/4 for bold texts, and aSize/6 for normal texts
* The "best" pen width is aSize/5 for bold texts,
* so the clamp is consistant with bold option.
* @param aPenSize = the pen size to clamp
* @param aSize the char size (height or width, od its wxSize)
* @param aBold = true if text accept bold pen size
* @return the max pen size allowed
*/
int Clamp_Text_PenSize( int aPenSize, int aSize, bool aBold = true );
float Clamp_Text_PenSize( float aPenSize, int aSize, bool aBold = true );
int Clamp_Text_PenSize( int aPenSize, wxSize aSize, bool aBold = true );
/**
* Function GetPensizeForBold
* @return the "best" value for a pen size to draw/plot a bold text
* @param aTextSize = the char size (height or width)
*/
int GetPenSizeForBold( int aTextSize );
/**
* Function GraphicTextWidth
* @return the X size of the graphic text
* the full X size is GraphicTextWidth + the thickness of graphic lines
*/
int GraphicTextWidth( const wxString& aText, const wxSize& aSize, bool italic, bool bold );
/**
* Function GRText
* Draw a graphic text (like module texts)
* @param aClipBox = the clipping rect, or NULL if no clipping
* @param aDC = the current Device Context. NULL if draw within a 3D GL Canvas
* @param aPos = text position (according to h_justify, v_justify)
* @param aColor (COLOR4D) = text color
* @param aText = text to draw
* @param aOrient = angle in 0.1 degree
* @param aSize = text size (size.x or size.y can be < 0 for mirrored texts)
* @param aH_justify = horizontal justification (Left, center, right)
* @param aV_justify = vertical justification (bottom, center, top)
* @param aWidth = line width (pen width) (default = 0)
* if width < 0 : draw segments in sketch mode, width = abs(width)
* Use a value min(aSize.x, aSize.y) / 5 for a bold text
* @param aItalic = true to simulate an italic font
* @param aBold = true to use a bold font
* @param aCallback( int x0, int y0, int xf, int yf, void* aData ) is a function called
* (if non null) to draw each segment. used to draw 3D texts or for plotting.
* NULL for normal drawings
* @param aCallbackData = is the auxiliary parameter aData for the callback function.
* can be nullptr if no auxiliary parameter is needed
* @param aPlotter = a pointer to a PLOTTER instance, when this function is used to plot
* the text. NULL to draw this text.
*/
void GRText( wxDC * aDC, const wxPoint &aPos, const COLOR4D aColor, const wxString &aText,
double aOrient, const wxSize &aSize, enum EDA_TEXT_HJUSTIFY_T aH_justify,
enum EDA_TEXT_VJUSTIFY_T aV_justify, int aWidth, bool aItalic, bool aBold,
void (*aCallback)( int x0, int y0, int xf, int yf, void* aData ) = nullptr,
void* aCallbackData = nullptr, PLOTTER * aPlotter = nullptr );
/**
* Draw graphic text with a border, so that it can be read on different
* backgrounds. See GRText for most of the parameters.
* If aBgColor is a dark color text is drawn in aColor2 with aColor1
* border; otherwise colors are swapped.
*/
void GRHaloText( wxDC * aDC, const wxPoint &aPos, const COLOR4D aBgColor, COLOR4D aColor1,
COLOR4D aColor2, const wxString &aText, double aOrient, const wxSize &aSize,
enum EDA_TEXT_HJUSTIFY_T aH_justify, enum EDA_TEXT_VJUSTIFY_T aV_justify,
int aWidth, bool aItalic, bool aBold,
void (*aCallback)( int x0, int y0, int xf, int yf, void* aData ) = nullptr,
void* aCallbackData = nullptr, PLOTTER * aPlotter = nullptr );
#endif /* __INCLUDE__DRAWTXT_H__ */