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Updates from Chris Breeze

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@57 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Julian Smart
1998-05-28 19:54:07 +00:00
parent 151ccd11af
commit 6f65e33794
17 changed files with 572 additions and 142 deletions
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176
src/gtk/dcclient.cpp
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@@ -3,7 +3,7 @@
// Purpose:
// Author: Robert Roebling
// Created: 01/02/97
// Id:
// RCS-ID: $Id$
// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
@@ -13,6 +13,7 @@
#endif
#include "wx/dcclient.h"
#include "wx/dcmemory.h"
//-----------------------------------------------------------------------------
// local data
@@ -35,6 +36,49 @@ static GdkPixmap **hatch_bitmap = NULL;
#define RAD2DEG 57.2957795131
//-----------------------------------------------------------------------------
// temporary implementation of the missing GDK function
//-----------------------------------------------------------------------------
#include "gdk/gdkprivate.h"
void gdk_draw_bitmap (GdkDrawable *drawable,
GdkGC *gc,
GdkDrawable *src,
gint xsrc,
gint ysrc,
gint xdest,
gint ydest,
gint width,
gint height)
{
GdkWindowPrivate *drawable_private;
GdkWindowPrivate *src_private;
GdkGCPrivate *gc_private;
g_return_if_fail (drawable != NULL);
g_return_if_fail (src != NULL);
g_return_if_fail (gc != NULL);
drawable_private = (GdkWindowPrivate*) drawable;
src_private = (GdkWindowPrivate*) src;
if (drawable_private->destroyed || src_private->destroyed)
return;
gc_private = (GdkGCPrivate*) gc;
if (width == -1)
width = src_private->width;
if (height == -1)
height = src_private->height;
XCopyPlane (drawable_private->xdisplay,
src_private->xwindow,
drawable_private->xwindow,
gc_private->xgc,
xsrc, ysrc,
width, height,
xdest, ydest,
1);
}
//-----------------------------------------------------------------------------
// wxPaintDC
//-----------------------------------------------------------------------------
@@ -159,19 +203,22 @@ void wxPaintDC::DrawEllipticArc( long x, long y, long width, long height, double
{
if (!Ok()) return;
if (width<0) { width=-width; x=x-width; }
if (height<0) { height=-height; y=y-height; }
long xx = XLOG2DEV(x);
long yy = YLOG2DEV(y);
long ww = XLOG2DEVREL(width);
long hh = YLOG2DEVREL(height);
long ww = m_signX * XLOG2DEVREL(width);
long hh = m_signY * YLOG2DEVREL(height);
// CMB: handle -ve width and/or height
if (ww < 0) { ww = -ww; xx = xx - ww; }
if (hh < 0) { hh = -hh; yy = yy - hh; }
long start = long(sa * 64.0);
long end = long(ea * 64.0);
if (m_brush.GetStyle() != wxTRANSPARENT)
gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww-1, hh-1, 0, long(sa*64) );
gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, start, end );
if (m_pen.GetStyle() != wxTRANSPARENT)
gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, ww, hh, 0, long(ea*64) );
gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, ww, hh, start, end );
};
void wxPaintDC::DrawPoint( long x, long y )
@@ -236,9 +283,16 @@ void wxPaintDC::DrawRectangle( long x, long y, long width, long height )
long xx = XLOG2DEV(x);
long yy = YLOG2DEV(y);
long ww = XLOG2DEVREL(width);
long hh = YLOG2DEVREL(height);
long ww = m_signX * XLOG2DEVREL(width);
long hh = m_signY * YLOG2DEVREL(height);
// CMB: draw nothing if transformed w or h is 0
if (ww == 0 || hh == 0) return;
// CMB: handle -ve width and/or height
if (ww < 0) { ww = -ww; xx = xx - ww; }
if (hh < 0) { hh = -hh; yy = yy - hh; }
if (m_brush.GetStyle() != wxTRANSPARENT)
gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy, ww, hh );
@@ -250,22 +304,48 @@ void wxPaintDC::DrawRoundedRectangle( long x, long y, long width, long height, d
{
if (!Ok()) return;
if (width<0) { width=-width; x=x-width; }
if (height<0) { height=-height; y=y-height; }
if (radius < 0.0) radius = - radius * ((width < height) ? width : height);
long xx = XLOG2DEV(x);
long yy = YLOG2DEV(y);
long ww = XLOG2DEVREL(width);
long hh = YLOG2DEVREL(height);
long ww = m_signX * XLOG2DEVREL(width);
long hh = m_signY * YLOG2DEVREL(height);
long rr = XLOG2DEVREL((long)radius);
// CMB: handle -ve width and/or height
if (ww < 0) { ww = -ww; xx = xx - ww; }
if (hh < 0) { hh = -hh; yy = yy - hh; }
// CMB: if radius is zero use DrawRectangle() instead to avoid
// X drawing errors with small radii
if (rr == 0)
{
DrawRectangle( x, y, width, height );
return;
}
// CMB: draw nothing if transformed w or h is 0
if (ww == 0 || hh == 0) return;
// CMB: adjust size if outline is drawn otherwise the result is
// 1 pixel too wide and high
if (m_pen.GetStyle() != wxTRANSPARENT)
{
ww--;
hh--;
}
// CMB: ensure dd is not larger than rectangle otherwise we
// get an hour glass shape
long dd = 2 * rr;
if (dd > ww) dd = ww;
if (dd > hh) dd = hh;
rr = dd / 2;
if (m_brush.GetStyle() != wxTRANSPARENT)
{
gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx+rr, yy, ww-dd, hh );
gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy+rr, ww, hh-dd );
gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx+rr, yy, ww-dd+1, hh );
gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy+rr, ww, hh-dd+1 );
gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, dd, dd, 90*64, 90*64 );
gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
@@ -289,13 +369,14 @@ void wxPaintDC::DrawEllipse( long x, long y, long width, long height )
{
if (!Ok()) return;
if (width<0) { width=-width; x=x-width; }
if (height<0) { height=-height; y=y-height; }
long xx = XLOG2DEV(x);
long yy = YLOG2DEV(y);
long ww = XLOG2DEVREL(width);
long hh = YLOG2DEVREL(height);
long ww = m_signX * XLOG2DEVREL(width);
long hh = m_signY * YLOG2DEVREL(height);
// CMB: handle -ve width and/or height
if (ww < 0) { ww = -ww; xx = xx - ww; }
if (hh < 0) { hh = -hh; yy = yy - hh; }
if (m_brush.GetStyle() != wxTRANSPARENT)
gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, 0, 360*64 );
@@ -342,8 +423,26 @@ bool wxPaintDC::Blit( long xdest, long ydest, long width, long height,
{
if (!Ok()) return FALSE;
wxClientDC *csrc = (wxClientDC*)source;
// CMB 20/5/98: add blitting of bitmaps
if (source->IsKindOf(CLASSINFO(wxMemoryDC)))
{
wxMemoryDC* srcDC = (wxMemoryDC*)source;
GdkBitmap* bmap = srcDC->m_selected.GetBitmap();
if (bmap)
{
gdk_draw_bitmap (
m_window,
m_textGC,
bmap,
source->DeviceToLogicalX(xsrc), source->DeviceToLogicalY(ysrc),
XLOG2DEV(xdest), YLOG2DEV(ydest),
source->DeviceToLogicalXRel(width), source->DeviceToLogicalYRel(height)
);
return TRUE;
}
}
wxClientDC *csrc = (wxClientDC*)source;
gdk_window_copy_area ( m_window, m_penGC,
XLOG2DEV(xdest), YLOG2DEV(ydest),
csrc->GetWindow(),
@@ -366,6 +465,16 @@ void wxPaintDC::DrawText( const wxString &text, long x, long y, bool WXUNUSED(us
if (!Ok()) return;
GdkFont *font = m_font.GetInternalFont( m_scaleY );
// CMB 21/5/98: draw text background if mode is wxSOLID
if (m_backgroundMode == wxSOLID)
{
long width = gdk_string_width( font, text );
long 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() );
}
gdk_draw_string( m_window, font, m_textGC,
XLOG2DEV(x),
YLOG2DEV(y) + font->ascent, text );
@@ -383,8 +492,8 @@ void wxPaintDC::GetTextExtent( const wxString &string, long *width, long *height
if (!Ok()) return;
GdkFont *font = m_font.GetInternalFont( m_scaleY );
if (width) (*width) = gdk_string_width( font, string );
if (height) (*height) = font->ascent + font->descent;
if (width) (*width) = long(gdk_string_width( font, string ) / m_scaleX);
if (height) (*height) = long((font->ascent + font->descent) / m_scaleY);
};
long wxPaintDC::GetCharWidth(void)
@@ -429,6 +538,18 @@ void wxPaintDC::SetPen( const wxPen &pen )
if (!m_pen.Ok()) return;
gint width = m_pen.GetWidth();
// CMB: if width is non-zero scale it with the dc
if (width <= 0)
{
width = 1;
}
else
{
// X doesn't allow different width in x and y and so we take
// the average
double w = 0.5 + (abs(XLOG2DEVREL(width)) + abs(YLOG2DEVREL(width))) / 2.0;
width = (int)w;
}
GdkLineStyle lineStyle = GDK_LINE_SOLID;
switch (m_pen.GetStyle())
@@ -443,7 +564,7 @@ void wxPaintDC::SetPen( const wxPen &pen )
GdkCapStyle capStyle = GDK_CAP_ROUND;
switch (m_pen.GetCap())
{
case wxCAP_ROUND: { capStyle = GDK_CAP_ROUND; break; };
case wxCAP_ROUND: { capStyle = (width <= 1) ? GDK_CAP_NOT_LAST : GDK_CAP_ROUND; break; };
case wxCAP_PROJECTING: { capStyle = GDK_CAP_PROJECTING; break; };
case wxCAP_BUTT: { capStyle = GDK_CAP_BUTT; break; };
};
@@ -540,8 +661,9 @@ void wxPaintDC::SetTextBackground( const wxColour &col )
gdk_gc_set_background( m_textGC, m_textBackgroundColour.GetColor() );
};
void wxPaintDC::SetBackgroundMode( int WXUNUSED(mode) )
void wxPaintDC::SetBackgroundMode( int mode )
{
m_backgroundMode = mode;
};
void wxPaintDC::SetPalette( const wxPalette& WXUNUSED(palette) )