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Move duplicated code to the shared function

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Code to emit PostScript commands to set the current colour is duplicated in several places (in SetBrush, SetPen, DrawAnyText functions) and therefore should be moved to a dedicated function.
This commit is contained in:
Artur Wieczorek
2017-03-04 19:01:14 +01:00
parent feee67e6a1
commit 9c5d6e893f
2 changed files with 43 additions and 99 deletions
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2
include/wx/generic/dcpsg.h
View File

@@ -141,6 +141,8 @@ protected:
void DrawAnyText(const wxWX2MBbuf& textbuf, wxCoord testDescent, double lineHeight);
// Actually set PostScript font
void SetPSFont();
// Set PostScript color
void SetPSColour(const wxColour& col);
FILE* m_pstream; // PostScript output stream
unsigned char m_currentRed;

138
src/generic/dcpsg.cpp
View File

@@ -507,7 +507,7 @@ void wxPostScriptDCImpl::DoDrawArc (wxCoord x1, wxCoord y1, wxCoord x2, wxCoord
PsPrint( "closepath\n" );
SetBrush(m_brush);
// We need to preserve current path to draw the contour int the next step.
// We need to preserve current path to draw the contour in the next step.
if ( m_pen.IsNonTransparent() )
PsPrint( "gsave fill grestore\n" );
else
@@ -1033,6 +1033,42 @@ void wxPostScriptDCImpl::DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoor
PsPrint( "origstate restore\n" );
}
// Set PostScript color
void wxPostScriptDCImpl::SetPSColour(const wxColor& col)
{
unsigned char red = col.Red();
unsigned char blue = col.Blue();
unsigned char green = col.Green();
if ( !m_colour )
{
// Anything not white is black
if ( !(red == 255 && blue == 255 && green == 255) )
{
red = 0;
green = 0;
blue = 0;
}
// setgray here ?
}
if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
{
double redPS = (double)red / 255.0;
double bluePS = (double)blue / 255.0;
double greenPS = (double)green / 255.0;
wxString buffer;
buffer.Printf( "%f %f %f setrgbcolor\n", redPS, greenPS, bluePS );
buffer.Replace( ",", "." );
PsPrint( buffer );
m_currentRed = red;
m_currentBlue = blue;
m_currentGreen = green;
}
}
void wxPostScriptDCImpl::SetFont( const wxFont& font )
{
wxCHECK_RET( m_ok, wxT("invalid postscript dc") );
@@ -1248,38 +1284,7 @@ void wxPostScriptDCImpl::SetPen( const wxPen& pen )
}
// Line colour
unsigned char red = m_pen.GetColour().Red();
unsigned char blue = m_pen.GetColour().Blue();
unsigned char green = m_pen.GetColour().Green();
if (!m_colour)
{
// Anything not white is black
if (! (red == (unsigned char) 255 &&
blue == (unsigned char) 255 &&
green == (unsigned char) 255) )
{
red = (unsigned char) 0;
green = (unsigned char) 0;
blue = (unsigned char) 0;
}
// setgray here ?
}
if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
{
double redPS = (double)(red) / 255.0;
double bluePS = (double)(blue) / 255.0;
double greenPS = (double)(green) / 255.0;
buffer.Printf( "%f %f %f setrgbcolor\n", redPS, greenPS, bluePS );
buffer.Replace( ",", "." );
PsPrint( buffer );
m_currentRed = red;
m_currentBlue = blue;
m_currentGreen = green;
}
SetPSColour(m_pen.GetColour());
}
void wxPostScriptDCImpl::SetBrush( const wxBrush& brush )
@@ -1291,39 +1296,7 @@ void wxPostScriptDCImpl::SetBrush( const wxBrush& brush )
m_brush = brush;
// Brush colour
unsigned char red = m_brush.GetColour().Red();
unsigned char blue = m_brush.GetColour().Blue();
unsigned char green = m_brush.GetColour().Green();
if (!m_colour)
{
// Anything not white is black
if (! (red == (unsigned char) 255 &&
blue == (unsigned char) 255 &&
green == (unsigned char) 255) )
{
red = (unsigned char) 0;
green = (unsigned char) 0;
blue = (unsigned char) 0;
}
// setgray here ?
}
if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
{
double redPS = (double)(red) / 255.0;
double bluePS = (double)(blue) / 255.0;
double greenPS = (double)(green) / 255.0;
wxString buffer;
buffer.Printf( "%f %f %f setrgbcolor\n", redPS, greenPS, bluePS );
buffer.Replace( ",", "." );
PsPrint( buffer );
m_currentRed = red;
m_currentBlue = blue;
m_currentGreen = green;
}
SetPSColour(m_brush.GetColour());
}
// Common part of DoDrawText() and DoDrawRotatedText()
@@ -1335,38 +1308,7 @@ void wxPostScriptDCImpl::DrawAnyText(const wxWX2MBbuf& textbuf, wxCoord textDesc
if ( m_textForegroundColour.IsOk() )
{
unsigned char red = m_textForegroundColour.Red();
unsigned char blue = m_textForegroundColour.Blue();
unsigned char green = m_textForegroundColour.Green();
if (!m_colour)
{
// Anything not white is black
if (! (red == (unsigned char) 255 &&
blue == (unsigned char) 255 &&
green == (unsigned char) 255))
{
red = (unsigned char) 0;
green = (unsigned char) 0;
blue = (unsigned char) 0;
}
}
// maybe setgray here ?
if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
{
double redPS = (double)(red) / 255.0;
double bluePS = (double)(blue) / 255.0;
double greenPS = (double)(green) / 255.0;
buffer.Printf( "%f %f %f setrgbcolor\n", redPS, greenPS, bluePS );
buffer.Replace( ",", "." );
PsPrint( buffer );
m_currentRed = red;
m_currentBlue = blue;
m_currentGreen = green;
}
SetPSColour(m_textForegroundColour);
}
PsPrint( "(" );