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[Plplot-cvs] SF.net SVN: plplot:[9005] trunk/drivers/wxwidgets_dc.cpp
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From: <sm...@us...> - 2008-11-20 09:28:07
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Revision: 9005
http://plplot.svn.sourceforge.net/plplot/?rev=9005&view=rev
Author: smekal
Date: 2008-11-20 09:28:03 +0000 (Thu, 20 Nov 2008)
Log Message:
-----------
Comments on functions added and improved.
Modified Paths:
--------------
trunk/drivers/wxwidgets_dc.cpp
Modified: trunk/drivers/wxwidgets_dc.cpp
===================================================================
--- trunk/drivers/wxwidgets_dc.cpp 2008-11-20 09:24:38 UTC (rev 9004)
+++ trunk/drivers/wxwidgets_dc.cpp 2008-11-20 09:28:03 UTC (rev 9005)
@@ -41,12 +41,12 @@
#include "wxwidgets.h"
-/*--------------------------------------------------------------------------*\
+/*--------------------------------------------------------------------------
* wxPLDevDC::wxPLDevDC( void )
*
* Constructor of the standard wxWidgets device based on the wxPLDevBase
* class. Only some initialisations are done.
-\*--------------------------------------------------------------------------*/
+ *--------------------------------------------------------------------------*/
wxPLDevDC::wxPLDevDC( void ) : wxPLDevBase()
{
m_dc=NULL;
@@ -56,11 +56,11 @@
}
-/*--------------------------------------------------------------------------*\
+/*--------------------------------------------------------------------------
* wxPLDevDC::~wxPLDevDC( void )
*
* The deconstructor frees memory allocated by the device.
-\*--------------------------------------------------------------------------*/
+ *--------------------------------------------------------------------------*/
wxPLDevDC::~wxPLDevDC()
{
if( ownGUI ) {
@@ -77,11 +77,11 @@
}
-/*--------------------------------------------------------------------------*\
+/*--------------------------------------------------------------------------
* void wxPLDevDC::DrawLine( short x1a, short y1a, short x2a, short y2a )
*
* Draw a line from (x1a, y1a) to (x2a, y2a).
-\*--------------------------------------------------------------------------*/
+ *--------------------------------------------------------------------------*/
void wxPLDevDC::DrawLine( short x1a, short y1a, short x2a, short y2a )
{
x1a=(short)(x1a/scalex); y1a=(short)(height-y1a/scaley);
@@ -93,11 +93,11 @@
}
-/*--------------------------------------------------------------------------*\
+/*--------------------------------------------------------------------------
* void wxPLDevDC::DrawPolyline( short *xa, short *ya, PLINT npts )
*
* Draw a poly line - coordinates are in the xa and ya arrays.
-\*--------------------------------------------------------------------------*/
+ *--------------------------------------------------------------------------*/
void wxPLDevDC::DrawPolyline( short *xa, short *ya, PLINT npts )
{
wxCoord x1a, y1a, x2a, y2a;
@@ -116,6 +116,12 @@
}
+/*--------------------------------------------------------------------------
+ * void wxPLDevDC::ClearBackground( PLINT bgr, PLINT bgg, PLINT bgb,
+ * PLINT x1, PLINT y1, PLINT x2, PLINT y2 )
+ *
+ * Clear parts ((x1,y1) to (x2,y2)) of the background in color (bgr,bgg,bgb).
+ *--------------------------------------------------------------------------*/
void wxPLDevDC::ClearBackground( PLINT bgr, PLINT bgg, PLINT bgb,
PLINT x1, PLINT y1, PLINT x2, PLINT y2 )
{
@@ -138,6 +144,11 @@
}
+/*--------------------------------------------------------------------------
+ * void wxPLDevDC::FillPolygon( PLStream *pls )
+ *
+ * Draw a filled polygon.
+ *--------------------------------------------------------------------------*/
void wxPLDevDC::FillPolygon( PLStream *pls )
{
wxPoint *points = new wxPoint[pls->dev_npts];
@@ -153,12 +164,25 @@
delete[] points;
}
+
+/*--------------------------------------------------------------------------
+ * void wxPLDevDC::BlitRectangle( wxPaintDC* dc, int vX, int vY,
+ * int vW, int vH )
+ *
+ * Copy/Blit a rectangle ((vX,vY) to (vX+vW,vY+vH)) into given dc.
+ *--------------------------------------------------------------------------*/
void wxPLDevDC::BlitRectangle( wxPaintDC* dc, int vX, int vY, int vW, int vH )
{
if( m_dc )
dc->Blit( vX, vY, vW, vH, m_dc, vX, vY );
}
+
+/*--------------------------------------------------------------------------
+ * void wxPLDevDC::CreateCanvas( void )
+ *
+ * Create canvas (bitmap and dc) if the driver provides the GUI.
+ *--------------------------------------------------------------------------*/
void wxPLDevDC::CreateCanvas()
{
if( ownGUI ) {
@@ -173,6 +197,12 @@
}
}
+
+/*--------------------------------------------------------------------------
+ * void wxPLDevDC::SetWidth( PLStream *pls )
+ *
+ * Set the width of the drawing pen.
+ *--------------------------------------------------------------------------*/
void wxPLDevDC::SetWidth( PLStream *pls )
{
m_dc->SetPen( *(wxThePenList->FindOrCreatePen(wxColour(pls->cmap0[pls->icol0].r, pls->cmap0[pls->icol0].g,
@@ -181,6 +211,11 @@
}
+/*--------------------------------------------------------------------------
+ * void wxPLDevDC::SetColor0( PLStream *pls )
+ *
+ * Set color from colormap 0.
+ *--------------------------------------------------------------------------*/
void wxPLDevDC::SetColor0( PLStream *pls )
{
m_dc->SetPen( *(wxThePenList->FindOrCreatePen(wxColour(pls->cmap0[pls->icol0].r, pls->cmap0[pls->icol0].g,
@@ -190,6 +225,11 @@
}
+/*--------------------------------------------------------------------------
+ * void wxPLDevDC::SetColor1( PLStream *pls )
+ *
+ * Set color from colormap 1.
+ *--------------------------------------------------------------------------*/
void wxPLDevDC::SetColor1( PLStream *pls )
{
m_dc->SetPen( *(wxThePenList->FindOrCreatePen(wxColour(pls->curcolor.r, pls->curcolor.g,
@@ -199,12 +239,12 @@
}
-/*--------------------------------------------------------------------------*\
- * void wx_set_dc( PLStream* pls, wxDC* dc )
+/*--------------------------------------------------------------------------
+ * void wxPLDevDC::SetExternalBuffer( void* dc )
*
- * Adds a dc to the stream. The associated device is attached to the canvas
- * as the property "dev".
-\*--------------------------------------------------------------------------*/
+ * Adds a dc to the device. In that case, the drivers doesn't provide
+ * a GUI
+ *--------------------------------------------------------------------------*/
void wxPLDevDC::SetExternalBuffer( void* dc )
{
m_dc=(wxDC*)dc; /* Add the dc to the device */
@@ -215,6 +255,11 @@
#ifdef HAVE_FREETYPE
+/*--------------------------------------------------------------------------
+ * void wxPLDevDC::PutPixel( short x, short y, PLINT color )
+ *
+ * Draw a pixel in color color @ (x,y).
+ *--------------------------------------------------------------------------*/
void wxPLDevDC::PutPixel( short x, short y, PLINT color )
{
const wxPen oldpen=m_dc->GetPen();
@@ -226,6 +271,11 @@
}
+/*--------------------------------------------------------------------------
+ * void wxPLDevDC::PutPixel( short x, short y )
+ *
+ * Draw a pixel in current color @ (x,y).
+ *--------------------------------------------------------------------------*/
void wxPLDevDC::PutPixel( short x, short y )
{
m_dc->DrawPoint( x, y );
@@ -233,11 +283,16 @@
}
+/*--------------------------------------------------------------------------
+ * PLINT wxPLDevDC::GetPixel( short x, short y )
+ *
+ * Get color information from pixel @ (x,y).
+ *--------------------------------------------------------------------------*/
PLINT wxPLDevDC::GetPixel( short x, short y )
{
#ifdef __WXGTK__
- // The GetPixel method is incredible slow for wxGTK. Therefore we set the colour
- // always to the background color, since this is the case anyway 99% of the time.
+ /* The GetPixel method is incredible slow for wxGTK. Therefore we set the colour
+ always to the background color, since this is the case anyway 99% of the time. */
PLINT bgr, bgg, bgb; /* red, green, blue */
plgcolbg( &bgr, &bgg, &bgb ); /* get background color information */
return RGB( bgr, bgg, bgb );
@@ -248,9 +303,15 @@
#endif
}
-#endif // HAVE_FREETYPE
+#endif /* HAVE_FREETYPE */
+/*--------------------------------------------------------------------------
+ * void wxPLDevDC::PSDrawTextToDC( char* utf8_string, bool drawText )
+ *
+ * Draw utf8 text to screen if drawText==true. Otherwise determine
+ * width and height of text.
+ *--------------------------------------------------------------------------*/
void wxPLDevDC::PSDrawTextToDC( char* utf8_string, bool drawText )
{
wxCoord w, h, d, l;
@@ -269,6 +330,11 @@
}
+/*--------------------------------------------------------------------------
+ * void wxPLDevDC::PSSetFont( PLUNICODE fci )
+ *
+ * Set font defined by fci.
+ *--------------------------------------------------------------------------*/
void wxPLDevDC::PSSetFont( PLUNICODE fci )
{
unsigned char fontFamily, fontStyle, fontWeight;
@@ -276,8 +342,10 @@
plP_fci2hex( fci, &fontFamily, PL_FCI_FAMILY );
plP_fci2hex( fci, &fontStyle, PL_FCI_STYLE );
plP_fci2hex( fci, &fontWeight, PL_FCI_WEIGHT );
+
if( m_font )
delete m_font;
+
m_font=wxFont::New((int) (fontSize*fontScale), fontFamilyLookup[fontFamily],
fontStyleLookup[fontStyle] & fontWeightLookup[fontWeight] );
m_font->SetUnderlined( underlined );
@@ -285,6 +353,13 @@
}
+/*--------------------------------------------------------------------------
+ * void wxPLDevDC::ProcessString( PLStream* pls, EscText* args )
+ *
+ * This is the main function which processes the unicode text strings.
+ * Font size, rotation and color are set, width and height of the
+ * text string is determined and then the string is drawn to the canvas.
+ *--------------------------------------------------------------------------*/
void wxPLDevDC::ProcessString( PLStream* pls, EscText* args )
{
/* Check that we got unicode, warning message and return if not */
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