#include "wx/dcmemory.h"
#include "wx/image.h"
#include "wx/gtk/win_gtk.h"
-#include <math.h> // for floating-point functions
-#include "gdk/gdk.h"
-#include "gtk/gtk.h"
+#include <math.h> // for floating-point functions
+#include <gdk/gdk.h>
+#include <gtk/gtk.h>
//-----------------------------------------------------------------------------
// local data
// constants
//-----------------------------------------------------------------------------
-#define RAD2DEG 57.2957795131
+const double RAD2DEG = 180.0 / M_PI;
+
+// ----------------------------------------------------------------------------
+// private functions
+// ----------------------------------------------------------------------------
+
+static inline double dmax(double a, double b) { return a > b ? a : b; }
+static inline double dmin(double a, double b) { return a < b ? a : b; }
+
+static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
//-----------------------------------------------------------------------------
// temporary implementation of the missing GDK function
wxASSERT_MSG( widget, wxT("DC needs a widget") );
- GtkMyFixed *myfixed = GTK_MYFIXED( widget );
- m_window = myfixed->bin_window;
+ GtkPizza *pizza = GTK_PIZZA( widget );
+ m_window = pizza->bin_window;
/* not realized ? */
if (!m_window)
Destroy();
}
-void wxWindowDC::DoFloodFill( long WXUNUSED(x), long WXUNUSED(y),
+void wxWindowDC::DoFloodFill( wxCoord WXUNUSED(x), wxCoord WXUNUSED(y),
const wxColour &WXUNUSED(col), int WXUNUSED(style) )
{
wxFAIL_MSG( wxT("wxWindowDC::DoFloodFill not implemented") );
}
-bool wxWindowDC::DoGetPixel( long WXUNUSED(x1), long WXUNUSED(y1), wxColour *WXUNUSED(col) ) const
+bool wxWindowDC::DoGetPixel( wxCoord WXUNUSED(x1), wxCoord WXUNUSED(y1), wxColour *WXUNUSED(col) ) const
{
wxFAIL_MSG( wxT("wxWindowDC::DoGetPixel not implemented") );
return FALSE;
}
-void wxWindowDC::DoDrawLine( long x1, long y1, long x2, long y2 )
+void wxWindowDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
{
wxCHECK_RET( Ok(), wxT("invalid window dc") );
}
}
-void wxWindowDC::DoCrossHair( long x, long y )
+void wxWindowDC::DoCrossHair( wxCoord x, wxCoord y )
{
wxCHECK_RET( Ok(), wxT("invalid window dc") );
int w = 0;
int h = 0;
GetSize( &w, &h );
- long xx = XLOG2DEV(x);
- long yy = YLOG2DEV(y);
+ wxCoord xx = XLOG2DEV(x);
+ wxCoord yy = YLOG2DEV(y);
if (m_window)
{
gdk_draw_line( m_window, m_penGC, 0, yy, XLOG2DEVREL(w), yy );
}
}
-void wxWindowDC::DoDrawArc( long x1, long y1, long x2, long y2,
- long xc, long yc )
+void wxWindowDC::DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
+ wxCoord xc, wxCoord yc )
{
wxCHECK_RET( Ok(), wxT("invalid window dc") );
- long xx1 = XLOG2DEV(x1);
- long yy1 = YLOG2DEV(y1);
- long xx2 = XLOG2DEV(x2);
- long yy2 = YLOG2DEV(y2);
- long xxc = XLOG2DEV(xc);
- long yyc = YLOG2DEV(yc);
+ wxCoord xx1 = XLOG2DEV(x1);
+ wxCoord yy1 = YLOG2DEV(y1);
+ wxCoord xx2 = XLOG2DEV(x2);
+ wxCoord yy2 = YLOG2DEV(y2);
+ wxCoord xxc = XLOG2DEV(xc);
+ wxCoord yyc = YLOG2DEV(yc);
double dx = xx1 - xxc;
double dy = yy1 - yyc;
- double radius = sqrt(dx*dx+dy*dy);
- long r = (long)radius;
+ double radius = sqrt((double)(dx*dx+dy*dy));
+ wxCoord r = (wxCoord)radius;
double radius1, radius2;
if (xx1 == xx2 && yy1 == yy2)
(yy2 - yyc < 0) ? 90.0 : -90.0 :
-atan2(double(yy2-yyc), double(xx2-xxc)) * RAD2DEG;
}
- long alpha1 = long(radius1 * 64.0);
- long alpha2 = long((radius2 - radius1) * 64.0);
+ wxCoord alpha1 = wxCoord(radius1 * 64.0);
+ wxCoord alpha2 = wxCoord((radius2 - radius1) * 64.0);
while (alpha2 <= 0) alpha2 += 360*64;
while (alpha1 > 360*64) alpha1 -= 360*64;
CalcBoundingBox (x2, y2);
}
-void wxWindowDC::DoDrawEllipticArc( long x, long y, long width, long height, double sa, double ea )
+void wxWindowDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double sa, double ea )
{
wxCHECK_RET( Ok(), wxT("invalid window dc") );
- long xx = XLOG2DEV(x);
- long yy = YLOG2DEV(y);
- long ww = m_signX * XLOG2DEVREL(width);
- long hh = m_signY * YLOG2DEVREL(height);
+ wxCoord xx = XLOG2DEV(x);
+ wxCoord yy = YLOG2DEV(y);
+ wxCoord ww = m_signX * XLOG2DEVREL(width);
+ wxCoord hh = m_signY * YLOG2DEVREL(height);
// CMB: handle -ve width and/or height
if (ww < 0) { ww = -ww; xx = xx - ww; }
if (m_window)
{
- long start = long(sa * 64.0);
- long end = long(ea * 64.0);
+ wxCoord start = wxCoord(sa * 64.0);
+ wxCoord end = wxCoord(ea * 64.0);
if (m_brush.GetStyle() != wxTRANSPARENT)
gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, start, end );
CalcBoundingBox (x + width, y + height);
}
-void wxWindowDC::DoDrawPoint( long x, long y )
+void wxWindowDC::DoDrawPoint( wxCoord x, wxCoord y )
{
wxCHECK_RET( Ok(), wxT("invalid window dc") );
CalcBoundingBox (x, y);
}
-void wxWindowDC::DoDrawLines( int n, wxPoint points[], long xoffset, long yoffset )
+void wxWindowDC::DoDrawLines( int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset )
{
wxCHECK_RET( Ok(), wxT("invalid window dc") );
for (int i = 0; i < n-1; i++)
{
- long x1 = XLOG2DEV(points[i].x + xoffset);
- long x2 = XLOG2DEV(points[i+1].x + xoffset);
- long y1 = YLOG2DEV(points[i].y + yoffset); // oh, what a waste
- long y2 = YLOG2DEV(points[i+1].y + yoffset);
+ wxCoord x1 = XLOG2DEV(points[i].x + xoffset);
+ wxCoord x2 = XLOG2DEV(points[i+1].x + xoffset);
+ wxCoord y1 = YLOG2DEV(points[i].y + yoffset); // oh, what a waste
+ wxCoord y2 = YLOG2DEV(points[i+1].y + yoffset);
if (m_window)
gdk_draw_line( m_window, m_penGC, x1, y1, x2, y2 );
}
}
-void wxWindowDC::DoDrawPolygon( int n, wxPoint points[], long xoffset, long yoffset, int WXUNUSED(fillStyle) )
+void wxWindowDC::DoDrawPolygon( int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, int WXUNUSED(fillStyle) )
{
wxCHECK_RET( Ok(), wxT("invalid window dc") );
delete[] gdkpoints;
}
-void wxWindowDC::DoDrawRectangle( long x, long y, long width, long height )
+void wxWindowDC::DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
{
wxCHECK_RET( Ok(), wxT("invalid window dc") );
- long xx = XLOG2DEV(x);
- long yy = YLOG2DEV(y);
- long ww = m_signX * XLOG2DEVREL(width);
- long hh = m_signY * YLOG2DEVREL(height);
+ wxCoord xx = XLOG2DEV(x);
+ wxCoord yy = YLOG2DEV(y);
+ wxCoord ww = m_signX * XLOG2DEVREL(width);
+ wxCoord hh = m_signY * YLOG2DEVREL(height);
// CMB: draw nothing if transformed w or h is 0
if (ww == 0 || hh == 0) return;
CalcBoundingBox( x + width, y + height );
}
-void wxWindowDC::DoDrawRoundedRectangle( long x, long y, long width, long height, double radius )
+void wxWindowDC::DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius )
{
wxCHECK_RET( Ok(), wxT("invalid window dc") );
if (radius < 0.0) radius = - radius * ((width < height) ? width : height);
- long xx = XLOG2DEV(x);
- long yy = YLOG2DEV(y);
- long ww = m_signX * XLOG2DEVREL(width);
- long hh = m_signY * YLOG2DEVREL(height);
- long rr = XLOG2DEVREL((long)radius);
+ wxCoord xx = XLOG2DEV(x);
+ wxCoord yy = YLOG2DEV(y);
+ wxCoord ww = m_signX * XLOG2DEVREL(width);
+ wxCoord hh = m_signY * YLOG2DEVREL(height);
+ wxCoord rr = XLOG2DEVREL((wxCoord)radius);
// CMB: handle -ve width and/or height
if (ww < 0) { ww = -ww; xx = xx - ww; }
{
// CMB: ensure dd is not larger than rectangle otherwise we
// get an hour glass shape
- long dd = 2 * rr;
+ wxCoord dd = 2 * rr;
if (dd > ww) dd = ww;
if (dd > hh) dd = hh;
rr = dd / 2;
CalcBoundingBox( x + width, y + height );
}
-void wxWindowDC::DoDrawEllipse( long x, long y, long width, long height )
+void wxWindowDC::DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
{
wxCHECK_RET( Ok(), wxT("invalid window dc") );
- long xx = XLOG2DEV(x);
- long yy = YLOG2DEV(y);
- long ww = m_signX * XLOG2DEVREL(width);
- long hh = m_signY * YLOG2DEVREL(height);
+ wxCoord xx = XLOG2DEV(x);
+ wxCoord yy = YLOG2DEV(y);
+ wxCoord ww = m_signX * XLOG2DEVREL(width);
+ wxCoord hh = m_signY * YLOG2DEVREL(height);
// CMB: handle -ve width and/or height
if (ww < 0) { ww = -ww; xx = xx - ww; }
CalcBoundingBox( x + width, y + height );
}
-void wxWindowDC::DoDrawIcon( const wxIcon &icon, long x, long y )
+void wxWindowDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )
{
// VZ: egcs 1.0.3 refuses to compile this without cast, no idea why
DoDrawBitmap( (const wxBitmap&)icon, x, y, (bool)TRUE );
}
void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap,
- long x, long y,
+ wxCoord x, wxCoord y,
bool useMask )
{
wxCHECK_RET( Ok(), wxT("invalid window dc") );
}
}
-bool wxWindowDC::DoBlit( long xdest, long ydest, long width, long height,
- wxDC *source, long xsrc, long ysrc,
+bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
+ wxDC *source, wxCoord xsrc, wxCoord ysrc,
int logical_func, bool useMask )
{
/* this is the nth try to get this utterly useless function to
{
/* scale/translate bitmap size */
- long bm_width = memDC->m_selected.GetWidth();
- long bm_height = memDC->m_selected.GetHeight();
+ wxCoord bm_width = memDC->m_selected.GetWidth();
+ wxCoord bm_height = memDC->m_selected.GetHeight();
- long bm_ww = XLOG2DEVREL( bm_width );
- long bm_hh = YLOG2DEVREL( bm_height );
+ wxCoord bm_ww = XLOG2DEVREL( bm_width );
+ wxCoord bm_hh = YLOG2DEVREL( bm_height );
/* scale bitmap if required */
/* scale/translate size and position */
- long xx = XLOG2DEV(xdest);
- long yy = YLOG2DEV(ydest);
+ wxCoord xx = XLOG2DEV(xdest);
+ wxCoord yy = YLOG2DEV(ydest);
- long ww = XLOG2DEVREL(width);
- long hh = YLOG2DEVREL(height);
+ wxCoord ww = XLOG2DEVREL(width);
+ wxCoord hh = YLOG2DEVREL(height);
/* apply mask if any */
{
/* scale/translate size and position */
- long xx = XLOG2DEV(xdest);
- long yy = YLOG2DEV(ydest);
+ wxCoord xx = XLOG2DEV(xdest);
+ wxCoord yy = YLOG2DEV(ydest);
- long ww = XLOG2DEVREL(width);
- long hh = YLOG2DEVREL(height);
+ wxCoord ww = XLOG2DEVREL(width);
+ wxCoord hh = YLOG2DEVREL(height);
if ((width != ww) || (height != hh))
{
return TRUE;
}
-void wxWindowDC::DoDrawText( const wxString &text, long x, long y )
+void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
{
wxCHECK_RET( Ok(), wxT("invalid window dc") );
GdkFont *font = m_font.GetInternalFont( m_scaleY );
+ wxCHECK_RET( font, wxT("invalid font") );
+
x = XLOG2DEV(x);
y = YLOG2DEV(y);
/* CMB 21/5/98: draw text background if mode is wxSOLID */
if (m_backgroundMode == wxSOLID)
{
- long width = gdk_string_width( font, text.mbc_str() );
- long height = font->ascent + font->descent;
+ wxCoord width = gdk_string_width( font, text.mbc_str() );
+ wxCoord height = font->ascent + font->descent;
gdk_gc_set_foreground( m_textGC, m_textBackgroundColour.GetColor() );
gdk_draw_rectangle( m_window, m_textGC, TRUE, x, y, width, height );
gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() );
CalcBoundingBox (x, y);
}
-void wxWindowDC::GetTextExtent( const wxString &string, long *width, long *height,
- long *descent, long *externalLeading,
- wxFont *theFont ) const
+void wxWindowDC::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y, double angle )
+{
+ if (angle == 0.0)
+ {
+ DrawText(text, x, y);
+ return;
+ }
+
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ if (!m_window) return;
+
+ GdkFont *font = m_font.GetInternalFont( m_scaleY );
+
+ wxCHECK_RET( font, wxT("invalid font") );
+
+ // the size of the text
+ int w = gdk_string_width( font, text.mbc_str() );
+ int h = font->ascent + font->descent;
+
+ // draw the string normally
+ wxBitmap src(w, h);
+ wxMemoryDC dc;
+ dc.SelectObject(src);
+ dc.SetFont(GetFont());
+ dc.SetBackground(*wxWHITE_BRUSH);
+ dc.SetBrush(*wxBLACK_BRUSH);
+ dc.Clear();
+ dc.DrawText(text, 0, 0);
+ dc.SetFont(wxNullFont);
+ dc.SelectObject(wxNullBitmap);
+
+ // Calculate the size of the rotated bounding box.
+ double rad = DegToRad(angle);
+ double dx = cos(rad),
+ dy = sin(rad);
+
+ // the rectngle vertices are counted clockwise with the first one being at
+ // (0, 0) (or, rather, at (x, y))
+ double x2 = w*dx,
+ y2 = -w*dy; // y axis points to the bottom, hence minus
+ double x4 = h*dy,
+ y4 = h*dx;
+ double x3 = x4 + x2,
+ y3 = y4 + y2;
+
+ // calc max and min
+ wxCoord maxX = (wxCoord)(dmax(x2, dmax(x3, x4)) + 0.5),
+ maxY = (wxCoord)(dmax(y2, dmax(y3, y4)) + 0.5),
+ minX = (wxCoord)(dmin(x2, dmin(x3, x4)) - 0.5),
+ minY = (wxCoord)(dmin(y2, dmin(y3, y4)) - 0.5);
+
+ // prepare to blit-with-rotate the bitmap to the DC
+ wxImage image(src);
+
+ GdkColor *colText = m_textForegroundColour.GetColor(),
+ *colBack = m_textBackgroundColour.GetColor();
+
+ bool textColSet = TRUE;
+
+ unsigned char *data = image.GetData();
+
+ // paint pixel by pixel
+ for ( wxCoord srcX = 0; srcX < w; srcX++ )
+ {
+ for ( wxCoord srcY = 0; srcY < h; srcY++ )
+ {
+ // transform source coords to dest coords
+ double r = sqrt(srcX*srcX + srcY*srcY);
+ double angleOrig = atan2(srcY, srcX) - rad;
+ wxCoord dstX = (wxCoord)(r*cos(angleOrig) + 0.5),
+ dstY = (wxCoord)(r*sin(angleOrig) + 0.5);
+
+ // black pixel?
+ bool textPixel = data[(srcY*w + srcX)*3] == 0;
+ if ( textPixel || (m_backgroundMode == wxSOLID) )
+ {
+ // change colour if needed
+ if ( textPixel != textColSet )
+ {
+ gdk_gc_set_foreground( m_textGC, textPixel ? colText
+ : colBack );
+
+ textColSet = textPixel;
+ }
+
+ // don't use DrawPoint() because it uses the current pen
+ // colour, and we don't need it here
+ gdk_draw_point( m_window, m_textGC,
+ XLOG2DEV(x + dstX), YLOG2DEV(y + dstY) );
+ }
+ }
+ }
+
+ // it would be better to draw with non underlined font and draw the line
+ // manually here (it would be more straight...)
+#if 0
+ if ( m_font.GetUnderlined() )
+ {
+ gdk_draw_line( m_window, m_textGC,
+ XLOG2DEV(x + x4), YLOG2DEV(y + y4 + font->descent),
+ XLOG2DEV(x + x3), YLOG2DEV(y + y3 + font->descent));
+ }
+#endif // 0
+
+ // restore the font colour
+ gdk_gc_set_foreground( m_textGC, colText );
+
+ // update the bounding box
+ CalcBoundingBox(x + minX, y + minY);
+ CalcBoundingBox(x + maxX, y + maxY);
+}
+
+void wxWindowDC::DoGetTextExtent(const wxString &string,
+ wxCoord *width, wxCoord *height,
+ wxCoord *descent, wxCoord *externalLeading,
+ wxFont *theFont) const
{
wxFont fontToUse = m_font;
if (theFont) fontToUse = *theFont;
GdkFont *font = fontToUse.GetInternalFont( m_scaleY );
- if (width) (*width) = long(gdk_string_width( font, string.mbc_str() ) / m_scaleX);
- if (height) (*height) = long((font->ascent + font->descent) / m_scaleY);
- if (descent) (*descent) = long(font->descent / m_scaleY);
+ if (width) (*width) = wxCoord(gdk_string_width( font, string.mbc_str() ) / m_scaleX);
+ if (height) (*height) = wxCoord((font->ascent + font->descent) / m_scaleY);
+ if (descent) (*descent) = wxCoord(font->descent / m_scaleY);
if (externalLeading) (*externalLeading) = 0; // ??
}
-long wxWindowDC::GetCharWidth() const
+wxCoord wxWindowDC::GetCharWidth() const
{
GdkFont *font = m_font.GetInternalFont( m_scaleY );
- return long(gdk_string_width( font, "H" ) / m_scaleX);
+ wxCHECK_MSG( font, -1, wxT("invalid font") );
+
+ return wxCoord(gdk_string_width( font, "H" ) / m_scaleX);
}
-long wxWindowDC::GetCharHeight() const
+wxCoord wxWindowDC::GetCharHeight() const
{
GdkFont *font = m_font.GetInternalFont( m_scaleY );
- return long((font->ascent + font->descent) / m_scaleY);
+ wxCHECK_MSG( font, -1, wxT("invalid font") );
+
+ return wxCoord((font->ascent + font->descent) / m_scaleY);
}
void wxWindowDC::Clear()
static const char dotted[] = {1, 1};
static const char short_dashed[] = {2, 2};
- static const char long_dashed[] = {2, 4};
+ static const char wxCoord_dashed[] = {2, 4};
static const char dotted_dashed[] = {3, 3, 1, 3};
// We express dash pattern in pen width unit, so we are
{
lineStyle = GDK_LINE_ON_OFF_DASH;
req_nb_dash = 2;
- req_dash = long_dashed;
+ req_dash = wxCoord_dashed;
break;
}
case wxSHORT_DASH:
wxFAIL_MSG( wxT("wxWindowDC::SetPalette not implemented") );
}
-void wxWindowDC::DoSetClippingRegion( long x, long y, long width, long height )
+void wxWindowDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
{
wxCHECK_RET( Ok(), wxT("invalid window dc") );
projects / wxWidgets.git / blobdiff