Remove a change which was committed by accident in rev 6632

This commit is contained in:
jean-pierre charras 2016-03-20 19:49:04 +01:00
parent 6e93672760
commit 30f113c2de
1 changed files with 354 additions and 223 deletions

View File

@ -41,222 +41,30 @@
#include <gal/stroke_font.h> #include <gal/stroke_font.h>
#include <gal/graphics_abstraction_layer.h>
#include <newstroke_font.h>
#include <newstroke_font.h>
#include <plot_common.h> #include <plot_common.h>
using namespace KIGFX; using namespace KIGFX;
struct TRANSFORM_PRM
// A ugly hack to avoid UTF8::uni_iter method not found at link stage
// in gerbview and pl_editor.
// Hoping I (JPC) can remove that soon.
void dummy()
{ {
VECTOR2D m_rotCenter; UTF8 text = "x";
VECTOR2D m_moveOffset; for( UTF8::uni_iter it = text.ubegin(), end = text.uend(); it < end; ++it )
double m_rotAngle; ;
};
class BASIC_GAL: public GAL
{
public:
wxDC* m_DC;
EDA_COLOR_T m_Color;
private:
TRANSFORM_PRM m_transform;
std::stack <TRANSFORM_PRM> m_transformHistory;
public:
BASIC_GAL()
{
m_DC = NULL;
m_Color = RED;
m_plotter = NULL;
m_callback = NULL;
}
void SetPlotter( PLOTTER* aPlotter )
{
m_plotter = aPlotter;
}
void SetCallback( void (* aCallback)( int x0, int y0, int xf, int yf ) )
{
m_callback = aCallback;
}
/// Set a clip box for drawings
/// If NULL, no clip will be made
void SetClipBox( EDA_RECT* aClipBox )
{
m_isClipped = aClipBox != NULL;
if( aClipBox )
m_clipBox = *aClipBox;
}
/// @brief Save the context.
virtual void Save()
{
m_transformHistory.push( m_transform );
}
virtual void Restore()
{
m_transform = m_transformHistory.top();
m_transformHistory.pop();
}
/**
* @brief Draw a polyline
* @param aPointList is a list of 2D-Vectors containing the polyline points.
*/
virtual void DrawPolyline( const std::deque<VECTOR2D>& aPointList );
/** Start and end points are defined as 2D-Vectors.
* @param aStartPoint is the start point of the line.
* @param aEndPoint is the end point of the line.
*/
virtual void DrawLine( const VECTOR2D& aStartPoint, const VECTOR2D& aEndPoint );
/**
* @brief Translate the context.
*
* @param aTranslation is the translation vector.
*/
virtual void Translate( const VECTOR2D& aTranslation )
{
m_transform.m_moveOffset += aTranslation;
}
/**
* @brief Rotate the context.
*
* @param aAngle is the rotation angle in radians.
*/
virtual void Rotate( double aAngle )
{
m_transform.m_rotAngle = aAngle * M_PI/1800;
m_transform.m_rotCenter = m_transform.m_moveOffset;
}
private:
// Apply the roation/translation transform to aPoint
const VECTOR2D transform( const VECTOR2D& aPoint ) const;
// A clip box, to clip drawings in a wxDC (mandatory to avoid draw issues)
EDA_RECT m_clipBox; // The clip box
bool m_isClipped; // Allows/disallows clipping
// When calling the draw functions outside a wxDC, to get the basic drawings
// lines / polylines ..., a callback function (used in DRC) to store
// coordinates of each segment:
void (* m_callback)( int x0, int y0, int xf, int yf );
// When calling the draw functions for plot, the plotter (has the same purpose
// as a wxDC) to plot basic drawings
PLOTTER* m_plotter;
};
const VECTOR2D BASIC_GAL::transform( const VECTOR2D& aPoint ) const
{
VECTOR2D point = aPoint + m_transform.m_moveOffset - m_transform.m_rotCenter;
point = point.Rotate( m_transform.m_rotAngle ) + m_transform.m_rotCenter;
return point;
} }
void BASIC_GAL::DrawPolyline( const std::deque<VECTOR2D>& aPointList )
{
if( aPointList.empty() )
return;
std::deque<VECTOR2D>::const_iterator it = aPointList.begin();
std::vector <wxPoint> polyline_corners;
for( ; it != aPointList.end(); ++it )
{
VECTOR2D corner = transform(*it);
polyline_corners.push_back( wxPoint( corner.x, corner.y ) );
}
if( m_DC )
{
if( isFillEnabled )
{
GRPoly( m_isClipped ? &m_clipBox : NULL, m_DC, polyline_corners.size(),
&polyline_corners[0], 0, GetLineWidth(), m_Color, m_Color );
}
else
{
for( unsigned ii = 1; ii < polyline_corners.size(); ++ii )
{
GRCSegm( m_isClipped ? &m_clipBox : NULL, m_DC, polyline_corners[ii-1],
polyline_corners[ii], GetLineWidth(), m_Color );
}
}
}
else if( m_plotter )
{
m_plotter->MoveTo( polyline_corners[0] );
for( unsigned ii = 1; ii < polyline_corners.size(); ii++ )
{
m_plotter->LineTo( polyline_corners[ii] );
}
m_plotter->PenFinish();
}
else if( m_callback )
{
for( unsigned ii = 1; ii < polyline_corners.size(); ii++ )
{
m_callback( polyline_corners[ii-1].x, polyline_corners[ii-1].y,
polyline_corners[ii].x, polyline_corners[ii].y );
}
}
}
void BASIC_GAL::DrawLine( const VECTOR2D& aStartPoint, const VECTOR2D& aEndPoint )
{
VECTOR2D startVector = transform( aStartPoint );
VECTOR2D endVector = transform( aEndPoint );
if( m_DC )
{
if( isFillEnabled )
{
GRLine( m_isClipped ? &m_clipBox : NULL, m_DC, startVector.x, startVector.y,
endVector.x, endVector.y, GetLineWidth(), m_Color );
}
else
{
GRCSegm( m_isClipped ? &m_clipBox : NULL, m_DC, startVector.x, startVector.y,
endVector.x, endVector.y, GetLineWidth(), 0, m_Color );
}
}
else if( m_plotter )
{
m_plotter->MoveTo( wxPoint( startVector.x, startVector.y ) );
m_plotter->LineTo( wxPoint( endVector.x, endVector.y ) );
m_plotter->PenFinish();
}
else if( m_callback )
{
m_callback( startVector.x, startVector.y,
endVector.x, endVector.y );
}
}
BASIC_GAL basic_gal;
int OverbarPositionY( int size_v ) int OverbarPositionY( int size_v )
{ {
return KiROUND( size_v * STROKE_FONT::OVERBAR_HEIGHT ); return KiROUND( size_v * STROKE_FONT::OVERBAR_HEIGHT );
} }
/** /**
* Function GetPensizeForBold * Function GetPensizeForBold
* @return the "best" value for a pen size to draw/plot a bold text * @return the "best" value for a pen size to draw/plot a bold text
@ -301,6 +109,40 @@ int Clamp_Text_PenSize( int aPenSize, wxSize aSize, bool aBold )
} }
/* Functions to draw / plot a string.
* texts have only one line.
* They can be in italic.
* Horizontal and Vertical justification are handled.
* Texts can be rotated
* substrings between ~ markers can be "negated" (i.e. with an over bar
*/
/**
* Function NegableTextLength
* Return the text length (char count) of a negable string,
* excluding the ~ markers
*/
int NegableTextLength( const wxString& aText )
{
int char_count = aText.length();
// Fix the character count, removing the ~ found
for( int i = char_count - 1; i >= 0; i-- )
{
if( aText[i] == '~' )
{
// '~~' draw as '~' and count as two chars
if( i > 0 && aText[i - 1] == '~' )
i--;
else
char_count--;
}
}
return char_count;
}
/* Function GetHersheyShapeDescription /* Function GetHersheyShapeDescription
* return a pointer to the shape corresponding to unicode value AsciiCode * return a pointer to the shape corresponding to unicode value AsciiCode
* Note we use the same font for Bold and Normal texts * Note we use the same font for Bold and Normal texts
@ -360,6 +202,51 @@ int GraphicTextWidth( const wxString& aText, int aXSize, bool aItalic, bool aWid
} }
// Helper function for drawing character polylines
static void DrawGraphicTextPline( EDA_RECT* aClipBox,
wxDC* aDC,
EDA_COLOR_T aColor,
int aWidth,
bool aSketchMode,
int point_count,
wxPoint* coord,
void (* aCallback)( int x0, int y0, int xf, int yf ),
PLOTTER* aPlotter )
{
if( aPlotter )
{
aPlotter->MoveTo( coord[0] );
for( int ik = 1; ik < point_count; ik++ )
{
aPlotter->LineTo( coord[ik] );
}
aPlotter->PenFinish();
}
else if( aCallback )
{
for( int ik = 0; ik < (point_count - 1); ik++ )
{
aCallback( coord[ik].x, coord[ik].y,
coord[ik + 1].x, coord[ik + 1].y );
}
}
else if( aDC )
{
if( aSketchMode )
{
for( int ik = 0; ik < (point_count - 1); ik++ )
GRCSegm( aClipBox, aDC, coord[ik].x, coord[ik].y,
coord[ik + 1].x, coord[ik + 1].y, aWidth, aColor );
}
else
GRPoly( aClipBox, aDC, point_count, coord, 0,
aWidth, aColor, aColor );
}
}
/** /**
* Function DrawGraphicText * Function DrawGraphicText
* Draw a graphic text (like module texts) * Draw a graphic text (like module texts)
@ -397,7 +284,21 @@ void DrawGraphicText( EDA_RECT* aClipBox,
void (* aCallback)( int x0, int y0, int xf, int yf ), void (* aCallback)( int x0, int y0, int xf, int yf ),
PLOTTER* aPlotter ) PLOTTER* aPlotter )
{ {
bool fill_mode = true; int AsciiCode;
int x0, y0;
int size_h, size_v;
unsigned ptr;
int dx, dy; // Draw coordinate for segments to draw. also used in some other calculation
wxPoint current_char_pos; // Draw coordinates for the current char
wxPoint overbar_pos; // Start point for the current overbar
int overbar_italic_comp; // Italic compensation for overbar
#define BUF_SIZE 100
wxPoint coord[BUF_SIZE + 1]; // Buffer coordinate used to draw polylines (one char shape)
bool sketch_mode = false;
bool italic_reverse = false; // true for mirrored texts with m_Size.x < 0
size_h = aSize.x; /* PLEASE NOTE: H is for HORIZONTAL not for HEIGHT */
size_v = aSize.y;
if( aWidth == 0 && aBold ) // Use default values if aWidth == 0 if( aWidth == 0 && aBold ) // Use default values if aWidth == 0
aWidth = GetPenSizeForBold( std::min( aSize.x, aSize.y ) ); aWidth = GetPenSizeForBold( std::min( aSize.x, aSize.y ) );
@ -405,33 +306,263 @@ void DrawGraphicText( EDA_RECT* aClipBox,
if( aWidth < 0 ) if( aWidth < 0 )
{ {
aWidth = -aWidth; aWidth = -aWidth;
fill_mode = false; sketch_mode = true;
} }
basic_gal.SetIsFill( fill_mode ); #ifdef CLIP_PEN // made by draw and plot functions
basic_gal.SetLineWidth( aWidth ); aWidth = Clamp_Text_PenSize( aWidth, aSize, aBold );
#endif
EDA_TEXT dummy; if( size_h < 0 ) // text is mirrored using size.x < 0 (mirror / Y axis)
dummy.SetItalic( aItalic ); italic_reverse = true;
dummy.SetBold( aBold );
dummy.SetHorizJustify( aH_justify );
dummy.SetVertJustify( aV_justify );
wxSize size = aSize; unsigned char_count = NegableTextLength( aText );
dummy.SetMirrored( size.x < 0 );
if( size.x < 0 ) if( char_count == 0 )
size.x = - size.x; return;
dummy.SetSize( size ); current_char_pos = aPos;
basic_gal.SetTextAttributes( &dummy ); dx = GraphicTextWidth( aText, size_h, aItalic, aWidth );
basic_gal.SetPlotter( aPlotter ); dy = size_v;
basic_gal.SetCallback( aCallback );
basic_gal.m_DC = aDC; /* Do not draw the text if out of draw area! */
basic_gal.m_Color = aColor; if( aClipBox )
basic_gal.SetClipBox( aClipBox ); {
basic_gal.StrokeText( aText, VECTOR2D( aPos.x, aPos.y ), aOrient ); int xm, ym, ll, xc, yc;
ll = std::abs( dx );
xc = current_char_pos.x;
yc = current_char_pos.y;
x0 = aClipBox->GetX() - ll;
y0 = aClipBox->GetY() - ll;
xm = aClipBox->GetRight() + ll;
ym = aClipBox->GetBottom() + ll;
if( xc < x0 )
return;
if( yc < y0 )
return;
if( xc > xm )
return;
if( yc > ym )
return;
}
/* Compute the position of the first letter of the text
* this position is the position of the left bottom point of the letter
* this is the same as the text position only for a left and bottom justified text
* In others cases, this position must be calculated from the text position ans size
*/
switch( aH_justify )
{
case GR_TEXT_HJUSTIFY_CENTER:
current_char_pos.x -= dx / 2;
break;
case GR_TEXT_HJUSTIFY_RIGHT:
current_char_pos.x -= dx;
break;
case GR_TEXT_HJUSTIFY_LEFT:
break;
}
switch( aV_justify )
{
case GR_TEXT_VJUSTIFY_CENTER:
current_char_pos.y += dy / 2;
break;
case GR_TEXT_VJUSTIFY_TOP:
current_char_pos.y += dy;
break;
case GR_TEXT_VJUSTIFY_BOTTOM:
break;
}
// Note: if aPanel == NULL, we are using a GL Canvas that handle scaling
if( aSize.x == 0 )
return;
/* if a text size is too small, the text cannot be drawn, and it is drawn as a single
* graphic line */
if( aDC && ( aDC->LogicalToDeviceYRel( std::abs( aSize.y ) ) < MIN_DRAWABLE_TEXT_SIZE ))
{
// draw the text as a line always vertically centered
wxPoint end( current_char_pos.x + dx, current_char_pos.y );
RotatePoint( &current_char_pos, aPos, aOrient );
RotatePoint( &end, aPos, aOrient );
if( aPlotter )
{
aPlotter->MoveTo( current_char_pos );
aPlotter->FinishTo( end );
}
else if( aCallback )
{
aCallback( current_char_pos.x, current_char_pos.y, end.x, end.y );
}
else
GRLine( aClipBox, aDC,
current_char_pos.x, current_char_pos.y, end.x, end.y, aWidth, aColor );
return;
}
if( aItalic )
{
overbar_italic_comp = KiROUND( OverbarPositionY( size_v ) * STROKE_FONT::ITALIC_TILT );
if( italic_reverse )
{
overbar_italic_comp = -overbar_italic_comp;
}
}
else
{
overbar_italic_comp = 0;
}
int overbars = 0; // Number of '~' seen (except '~~')
ptr = 0; // ptr = text index
while( ptr < char_count )
{
if( aText[ptr + overbars] == '~' )
{
if( ptr + overbars + 1 < aText.length()
&& aText[ptr + overbars + 1] == '~' ) /* '~~' draw as '~' */
ptr++; // skip first '~' char and draw second
else
{
// Found an overbar, adjust the pointers
overbars++;
if( overbars & 1 ) // odd overbars count
{
// Starting the overbar
overbar_pos = current_char_pos;
overbar_pos.x += overbar_italic_comp;
overbar_pos.y -= OverbarPositionY( size_v );
RotatePoint( &overbar_pos, aPos, aOrient );
}
else
{
// Ending the overbar
coord[0] = overbar_pos;
overbar_pos = current_char_pos;
overbar_pos.x += overbar_italic_comp;
overbar_pos.y -= OverbarPositionY( size_v );
RotatePoint( &overbar_pos, aPos, aOrient );
coord[1] = overbar_pos;
// Plot the overbar segment
DrawGraphicTextPline( aClipBox, aDC, aColor, aWidth,
sketch_mode, 2, coord, aCallback, aPlotter );
}
continue; // Skip ~ processing
}
}
AsciiCode = aText.GetChar( ptr + overbars );
const char* ptcar = GetHersheyShapeDescription( AsciiCode );
// Get metrics
int xsta = *ptcar++ - 'R';
int xsto = *ptcar++ - 'R';
int point_count = 0;
bool endcar = false;
while( !endcar )
{
int hc1, hc2;
hc1 = *ptcar++;
if( hc1 )
{
hc2 = *ptcar++;
}
else
{
// End of character, insert a synthetic pen up:
hc1 = ' ';
hc2 = 'R';
endcar = true;
}
// Do the Hershey decode thing:
// coordinates values are coded as <value> + 'R'
hc1 -= 'R';
hc2 -= 'R';
// Pen up request
if( hc1 == -50 && hc2 == 0 )
{
if( point_count )
{
if( aWidth <= 1 )
aWidth = 0;
DrawGraphicTextPline( aClipBox, aDC, aColor, aWidth,
sketch_mode, point_count, coord,
aCallback, aPlotter );
}
point_count = 0;
}
else
{
wxPoint currpoint;
hc1 -= xsta; hc2 -= 10; // Align the midpoint
hc1 = KiROUND( hc1 * size_h * STROKE_FONT::STROKE_FONT_SCALE );
hc2 = KiROUND( hc2 * size_v * STROKE_FONT::STROKE_FONT_SCALE );
// To simulate an italic font,
// add a x offset depending on the y offset
if( aItalic )
hc1 -= KiROUND( italic_reverse ? -hc2 * STROKE_FONT::ITALIC_TILT
: hc2 * STROKE_FONT::ITALIC_TILT );
currpoint.x = hc1 + current_char_pos.x;
currpoint.y = hc2 + current_char_pos.y;
RotatePoint( &currpoint, aPos, aOrient );
coord[point_count] = currpoint;
if( point_count < BUF_SIZE - 1 )
point_count++;
}
} // end draw 1 char
ptr++;
// Apply the advance width
current_char_pos.x += KiROUND( size_h * (xsto - xsta) * STROKE_FONT::STROKE_FONT_SCALE );
}
if( overbars % 2 )
{
// Close the last overbar
coord[0] = overbar_pos;
overbar_pos = current_char_pos;
overbar_pos.y -= OverbarPositionY( size_v );
RotatePoint( &overbar_pos, aPos, aOrient );
coord[1] = overbar_pos;
// Plot the overbar segment
DrawGraphicTextPline( aClipBox, aDC, aColor, aWidth,
sketch_mode, 2, coord, aCallback, aPlotter );
}
} }
void DrawGraphicHaloText( EDA_RECT* aClipBox, wxDC * aDC, void DrawGraphicHaloText( EDA_RECT* aClipBox, wxDC * aDC,