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Implemented MSW's paint region clipping, but

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it exposed some bug in GTK's guffaw stuff.
  Implmented GC pooling.
  Implemented Corrcet mixing of pain region clipping,
    user clipping and masked bitmap clipping.
  Minor other corrections.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@6172 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling
2000-02-21 14:16:32 +00:00
parent 78066fbfd4
commit 3d2d8da1d8
15 changed files with 722 additions and 243 deletions
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396
src/gtk1/dcclient.cpp
View File

@@ -35,6 +35,8 @@
static GdkPixmap *hatches[num_hatches];
static GdkPixmap **hatch_bitmap = (GdkPixmap **) NULL;
extern GtkWidget *wxRootWindow;
//-----------------------------------------------------------------------------
// constants
//-----------------------------------------------------------------------------
@@ -94,6 +96,70 @@ void gdk_draw_bitmap (GdkDrawable *drawable,
1 );
}
//-----------------------------------------------------------------------------
// Implement Pool of Graphic contexts. Creating them takes too much time.
//-----------------------------------------------------------------------------
struct wxGC
{
GdkGC *m_gc;
bool m_mono;
bool m_used;
};
static wxGC wxGCPool[200];
static void wxInitGCPool()
{
memset( wxGCPool, 0, 200*sizeof(wxGC) );
}
static void wxCleanUpGCPool()
{
for (int i = 0; i < 200; i++)
{
if (wxGCPool[i].m_gc)
gdk_gc_unref( wxGCPool[i].m_gc );
}
}
static GdkGC* wxGetPoolGC( GdkWindow *window, bool mono=FALSE )
{
for (int i = 0; i < 200; i++)
{
if (!wxGCPool[i].m_gc)
{
wxGCPool[i].m_gc = gdk_gc_new( window );
gdk_gc_set_exposures( wxGCPool[i].m_gc, FALSE );
wxGCPool[i].m_mono = mono;
wxGCPool[i].m_used = FALSE;
}
if ((!wxGCPool[i].m_used) && (wxGCPool[i].m_mono == mono))
{
wxGCPool[i].m_used = TRUE;
return wxGCPool[i].m_gc;
}
}
wxFAIL_MSG( wxT("No GC available") );
return (GdkGC*) NULL;
}
static void wxFreePoolGC( GdkGC *gc )
{
for (int i = 0; i < 200; i++)
{
if (wxGCPool[i].m_gc == gc)
{
wxGCPool[i].m_used = FALSE;
return;
}
}
wxFAIL_MSG( wxT("Wrong GC") );
}
//-----------------------------------------------------------------------------
// wxWindowDC
//-----------------------------------------------------------------------------
@@ -525,7 +591,6 @@ void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap,
bool is_mono = (bitmap.GetBitmap() != NULL);
/* scale/translate size and position */
int xx = XLOG2DEV(x);
int yy = YLOG2DEV(y);
@@ -540,10 +605,17 @@ void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap,
int ww = XLOG2DEVREL(w);
int hh = YLOG2DEVREL(h);
/* compare to current clipping region */
if (!m_currentClippingRegion.IsEmpty())
{
wxRegion tmp( xx,yy,ww,hh );
tmp.Intersect( m_currentClippingRegion );
if (tmp.IsEmpty())
return;
}
/* scale bitmap if required */
wxBitmap use_bitmap;
if ((w != ww) || (h != hh))
{
wxImage image( bitmap );
@@ -559,23 +631,51 @@ void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap,
}
/* apply mask if any */
GdkBitmap *mask = (GdkBitmap *) NULL;
if (use_bitmap.GetMask()) mask = use_bitmap.GetMask()->GetBitmap();
if (useMask && mask)
{
if (is_mono)
if (useMask && mask)
{
gdk_gc_set_clip_mask( m_textGC, mask );
gdk_gc_set_clip_origin( m_textGC, xx, yy );
GdkBitmap *new_mask = (GdkBitmap*) NULL;
if (!m_currentClippingRegion.IsEmpty())
{
GdkColor col;
new_mask = gdk_pixmap_new( wxRootWindow->window, ww, hh, 1 );
GdkGC *gc = gdk_gc_new( new_mask );
col.pixel = 0;
gdk_gc_set_foreground( gc, &col );
gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, ww, hh );
col.pixel = 0;
gdk_gc_set_background( gc, &col );
col.pixel = 1;
gdk_gc_set_foreground( gc, &col );
gdk_gc_set_clip_region( gc, m_currentClippingRegion.GetRegion() );
gdk_gc_set_clip_origin( gc, -xx, -yy );
gdk_gc_set_fill( gc, GDK_OPAQUE_STIPPLED );
gdk_gc_set_stipple( gc, mask );
gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, ww, hh );
gdk_gc_unref( gc );
}
if (is_mono)
{
if (new_mask)
gdk_gc_set_clip_mask( m_textGC, new_mask );
else
gdk_gc_set_clip_mask( m_textGC, mask );
gdk_gc_set_clip_origin( m_textGC, xx, yy );
}
else
{
if (new_mask)
gdk_gc_set_clip_mask( m_penGC, new_mask );
else
gdk_gc_set_clip_mask( m_penGC, mask );
gdk_gc_set_clip_origin( m_penGC, xx, yy );
}
if (new_mask)
gdk_bitmap_unref( new_mask );
}
else
{
gdk_gc_set_clip_mask( m_penGC, mask );
gdk_gc_set_clip_origin( m_penGC, xx, yy );
}
}
/* Draw XPixmap or XBitmap, depending on what the wxBitmap contains. For
drawing a mono-bitmap (XBitmap) we use the current text GC */
@@ -585,18 +685,21 @@ void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap,
gdk_draw_pixmap( m_window, m_penGC, use_bitmap.GetPixmap(), 0, 0, xx, yy, -1, -1 );
/* remove mask again if any */
if (useMask && mask)
{
if (is_mono)
{
gdk_gc_set_clip_mask( m_textGC, (GdkBitmap *) NULL );
gdk_gc_set_clip_origin( m_textGC, 0, 0 );
if (!m_currentClippingRegion.IsEmpty())
gdk_gc_set_clip_region( m_textGC, m_currentClippingRegion.GetRegion() );
}
else
{
gdk_gc_set_clip_mask( m_penGC, (GdkBitmap *) NULL );
gdk_gc_set_clip_origin( m_penGC, 0, 0 );
if (!m_currentClippingRegion.IsEmpty())
gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() );
}
}
}
@@ -666,13 +769,28 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord he
CalcBoundingBox( xdest, ydest );
CalcBoundingBox( xdest + width, ydest + height );
/* scale/translate size and position */
wxCoord xx = XLOG2DEV(xdest);
wxCoord yy = YLOG2DEV(ydest);
wxCoord ww = XLOG2DEVREL(width);
wxCoord hh = YLOG2DEVREL(height);
/* compare to current clipping region */
if (!m_currentClippingRegion.IsEmpty())
{
wxRegion tmp( xx,yy,ww,hh );
tmp.Intersect( m_currentClippingRegion );
if (tmp.IsEmpty())
return TRUE;
}
int old_logical_func = m_logicalFunction;
SetLogicalFunction( logical_func );
if (use_bitmap_method)
{
/* scale/translate bitmap size */
wxCoord bm_width = memDC->m_selected.GetWidth();
wxCoord bm_height = memDC->m_selected.GetHeight();
@@ -680,7 +798,6 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord he
wxCoord bm_hh = YLOG2DEVREL( bm_height );
/* scale bitmap if required */
wxBitmap use_bitmap;
if ((bm_width != bm_ww) || (bm_height != bm_hh))
@@ -698,31 +815,51 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord he
use_bitmap = memDC->m_selected;
}
/* scale/translate size and position */
wxCoord xx = XLOG2DEV(xdest);
wxCoord yy = YLOG2DEV(ydest);
wxCoord ww = XLOG2DEVREL(width);
wxCoord hh = YLOG2DEVREL(height);
/* apply mask if any */
GdkBitmap *mask = (GdkBitmap *) NULL;
if (use_bitmap.GetMask()) mask = use_bitmap.GetMask()->GetBitmap();
if (useMask && mask)
{
GdkBitmap *new_mask = (GdkBitmap*) NULL;
if (!m_currentClippingRegion.IsEmpty())
{
GdkColor col;
new_mask = gdk_pixmap_new( wxRootWindow->window, bm_ww, bm_hh, 1 );
GdkGC *gc = gdk_gc_new( new_mask );
col.pixel = 0;
gdk_gc_set_foreground( gc, &col );
gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, bm_ww, bm_hh );
col.pixel = 0;
gdk_gc_set_background( gc, &col );
col.pixel = 1;
gdk_gc_set_foreground( gc, &col );
gdk_gc_set_clip_region( gc, m_currentClippingRegion.GetRegion() );
gdk_gc_set_clip_origin( gc, -xx, -yy );
gdk_gc_set_fill( gc, GDK_OPAQUE_STIPPLED );
gdk_gc_set_stipple( gc, mask );
gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, bm_ww, bm_hh );
gdk_gc_unref( gc );
}
if (is_mono)
{
gdk_gc_set_clip_mask( m_textGC, mask );
if (new_mask)
gdk_gc_set_clip_mask( m_textGC, new_mask );
else
gdk_gc_set_clip_mask( m_textGC, mask );
gdk_gc_set_clip_origin( m_textGC, xx, yy );
}
else
{
gdk_gc_set_clip_mask( m_penGC, mask );
if (new_mask)
gdk_gc_set_clip_mask( m_penGC, new_mask );
else
gdk_gc_set_clip_mask( m_penGC, mask );
gdk_gc_set_clip_origin( m_penGC, xx, yy );
}
if (new_mask)
gdk_bitmap_unref( new_mask );
}
/* Draw XPixmap or XBitmap, depending on what the wxBitmap contains. For
@@ -733,31 +870,26 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord he
gdk_draw_pixmap( m_window, m_penGC, use_bitmap.GetPixmap(), xsrc, ysrc, xx, yy, ww, hh );
/* remove mask again if any */
if (useMask && mask)
{
if (is_mono)
{
gdk_gc_set_clip_mask( m_textGC, (GdkBitmap *) NULL );
gdk_gc_set_clip_origin( m_textGC, 0, 0 );
if (!m_currentClippingRegion.IsEmpty())
gdk_gc_set_clip_region( m_textGC, m_currentClippingRegion.GetRegion() );
}
else
{
gdk_gc_set_clip_mask( m_penGC, (GdkBitmap *) NULL );
gdk_gc_set_clip_origin( m_penGC, 0, 0 );
if (!m_currentClippingRegion.IsEmpty())
gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() );
}
}
}
else /* use_bitmap_method */
{
/* scale/translate size and position */
wxCoord xx = XLOG2DEV(xdest);
wxCoord yy = YLOG2DEV(ydest);
wxCoord ww = XLOG2DEVREL(width);
wxCoord hh = YLOG2DEVREL(height);
if ((width != ww) || (height != hh))
{
/* draw source window into a bitmap as we cannot scale
@@ -1309,8 +1441,9 @@ void wxWindowDC::SetLogicalFunction( int function )
gdk_gc_set_function( m_brushGC, mode );
// to stay compatible with wxMSW, we don't apply ROPs to the text
// operations (i.e. DrawText/DrawRotatedText)
// gdk_gc_set_function( m_textGC, mode );
// operations (i.e. DrawText/DrawRotatedText).
// True, but mono-bitmaps use the m_textGC and they use ROPs as well.
gdk_gc_set_function( m_textGC, mode );
}
void wxWindowDC::SetTextForeground( const wxColour &col )
@@ -1374,15 +1507,21 @@ void wxWindowDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoo
if (!m_window) return;
GdkRectangle rect;
wxRect rect;
rect.x = XLOG2DEV(x);
rect.y = YLOG2DEV(y);
rect.width = XLOG2DEVREL(width);
rect.height = YLOG2DEVREL(height);
gdk_gc_set_clip_rectangle( m_penGC, &rect );
gdk_gc_set_clip_rectangle( m_brushGC, &rect );
gdk_gc_set_clip_rectangle( m_textGC, &rect );
gdk_gc_set_clip_rectangle( m_bgGC, &rect );
m_currentClippingRegion.Clear();
m_currentClippingRegion.Union( rect );
if (!m_paintClippingRegion.IsEmpty())
m_currentClippingRegion.Intersect( m_paintClippingRegion );
gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() );
gdk_gc_set_clip_region( m_brushGC, m_currentClippingRegion.GetRegion() );
gdk_gc_set_clip_region( m_textGC, m_currentClippingRegion.GetRegion() );
gdk_gc_set_clip_region( m_bgGC, m_currentClippingRegion.GetRegion() );
}
void wxWindowDC::DoSetClippingRegionAsRegion( const wxRegion &region )
@@ -1401,11 +1540,16 @@ void wxWindowDC::DoSetClippingRegionAsRegion( const wxRegion &region )
wxDC::DoSetClippingRegion( x, y, w, h );
if (!m_window) return;
m_currentClippingRegion.Clear();
m_currentClippingRegion.Union( region );
if (!m_paintClippingRegion.IsEmpty())
m_currentClippingRegion.Intersect( m_paintClippingRegion );
gdk_gc_set_clip_region( m_penGC, region.GetRegion() );
gdk_gc_set_clip_region( m_brushGC, region.GetRegion() );
gdk_gc_set_clip_region( m_textGC, region.GetRegion() );
gdk_gc_set_clip_region( m_bgGC, region.GetRegion() );
gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() );
gdk_gc_set_clip_region( m_brushGC, m_currentClippingRegion.GetRegion() );
gdk_gc_set_clip_region( m_textGC, m_currentClippingRegion.GetRegion() );
gdk_gc_set_clip_region( m_bgGC, m_currentClippingRegion.GetRegion() );
}
void wxWindowDC::DestroyClippingRegion()
@@ -1414,52 +1558,92 @@ void wxWindowDC::DestroyClippingRegion()
wxDC::DestroyClippingRegion();
m_currentClippingRegion.Clear();
if (!m_paintClippingRegion.IsEmpty())
m_currentClippingRegion.Union( m_paintClippingRegion );
if (!m_window) return;
gdk_gc_set_clip_rectangle( m_penGC, (GdkRectangle *) NULL );
gdk_gc_set_clip_rectangle( m_brushGC, (GdkRectangle *) NULL );
gdk_gc_set_clip_rectangle( m_textGC, (GdkRectangle *) NULL );
gdk_gc_set_clip_rectangle( m_bgGC, (GdkRectangle *) NULL );
if (m_currentClippingRegion.IsEmpty())
{
gdk_gc_set_clip_rectangle( m_penGC, (GdkRectangle *) NULL );
gdk_gc_set_clip_rectangle( m_brushGC, (GdkRectangle *) NULL );
gdk_gc_set_clip_rectangle( m_textGC, (GdkRectangle *) NULL );
gdk_gc_set_clip_rectangle( m_bgGC, (GdkRectangle *) NULL );
}
else
{
gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() );
gdk_gc_set_clip_region( m_brushGC, m_currentClippingRegion.GetRegion() );
gdk_gc_set_clip_region( m_textGC, m_currentClippingRegion.GetRegion() );
gdk_gc_set_clip_region( m_bgGC, m_currentClippingRegion.GetRegion() );
}
}
void wxWindowDC::SetUpDC()
{
Destroy();
m_ok = TRUE;
m_logicalFunction = wxCOPY;
m_penGC = gdk_gc_new( m_window );
m_brushGC = gdk_gc_new( m_window );
m_textGC = gdk_gc_new( m_window );
m_bgGC = gdk_gc_new( m_window );
if (!m_penGC)
{
m_penGC = wxGetPoolGC( m_window );
m_brushGC = wxGetPoolGC( m_window );
m_textGC = wxGetPoolGC( m_window );
m_bgGC = wxGetPoolGC( m_window );
}
wxColour tmp_col( m_textForegroundColour );
m_textForegroundColour = wxNullColour;
SetTextForeground( tmp_col );
tmp_col = m_textBackgroundColour;
m_textBackgroundColour = wxNullColour;
SetTextBackground( tmp_col );
/* background colour */
m_backgroundBrush = *wxWHITE_BRUSH;
m_backgroundBrush.GetColour().CalcPixel( m_cmap );
GdkColor *bg_col = m_backgroundBrush.GetColour().GetColor();
wxPen tmp_pen( m_pen );
m_pen = wxNullPen;
SetPen( tmp_pen );
/* m_textGC */
m_textForegroundColour.CalcPixel( m_cmap );
gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() );
wxFont tmp_font( m_font );
m_font = wxNullFont;
SetFont( tmp_font );
m_textBackgroundColour.CalcPixel( m_cmap );
gdk_gc_set_background( m_textGC, m_textBackgroundColour.GetColor() );
wxBrush tmp_brush( m_brush );
m_brush = wxNullBrush;
SetBrush( tmp_brush );
gdk_gc_set_fill( m_textGC, GDK_SOLID );
gdk_gc_set_line_attributes( m_textGC, 0, GDK_LINE_SOLID, GDK_CAP_NOT_LAST, GDK_JOIN_ROUND );
/*
tmp_brush = m_backgroundBrush;
m_backgroundBrush = wxNullBrush;
SetBackground( tmp_brush );
*/
tmp_brush = m_backgroundBrush;
m_backgroundBrush = wxNullBrush;
SetBackground( *wxWHITE_BRUSH );
m_backgroundBrush = tmp_brush;
/* m_penGC */
m_pen.GetColour().CalcPixel( m_cmap );
gdk_gc_set_foreground( m_penGC, m_pen.GetColour().GetColor() );
gdk_gc_set_background( m_penGC, bg_col );
gdk_gc_set_fill( m_penGC, GDK_SOLID );
gdk_gc_set_line_attributes( m_penGC, 0, GDK_LINE_SOLID, GDK_CAP_NOT_LAST, GDK_JOIN_ROUND );
/* m_brushGC */
m_brush.GetColour().CalcPixel( m_cmap );
gdk_gc_set_foreground( m_brushGC, m_brush.GetColour().GetColor() );
gdk_gc_set_background( m_brushGC, bg_col );
gdk_gc_set_fill( m_brushGC, GDK_SOLID );
gdk_gc_set_line_attributes( m_brushGC, 0, GDK_LINE_SOLID, GDK_CAP_NOT_LAST, GDK_JOIN_ROUND );
/* m_bgGC */
gdk_gc_set_background( m_bgGC, bg_col );
gdk_gc_set_foreground( m_bgGC, bg_col );
gdk_gc_set_fill( m_bgGC, GDK_SOLID );
gdk_gc_set_line_attributes( m_bgGC, 0, GDK_LINE_SOLID, GDK_CAP_NOT_LAST, GDK_JOIN_ROUND );
/* ROPs */
gdk_gc_set_function( m_textGC, GDK_COPY );
gdk_gc_set_function( m_brushGC, GDK_COPY );
gdk_gc_set_function( m_penGC, GDK_COPY );
gdk_gc_set_function( m_bgGC, GDK_COPY );
/* clipping */
gdk_gc_set_clip_rectangle( m_penGC, (GdkRectangle *) NULL );
gdk_gc_set_clip_rectangle( m_brushGC, (GdkRectangle *) NULL );
gdk_gc_set_clip_rectangle( m_textGC, (GdkRectangle *) NULL );
gdk_gc_set_clip_rectangle( m_bgGC, (GdkRectangle *) NULL );
if (!hatch_bitmap)
{
@@ -1475,13 +1659,13 @@ void wxWindowDC::SetUpDC()
void wxWindowDC::Destroy()
{
if (m_penGC) gdk_gc_unref( m_penGC );
if (m_penGC) wxFreePoolGC( m_penGC );
m_penGC = (GdkGC*) NULL;
if (m_brushGC) gdk_gc_unref( m_brushGC );
if (m_brushGC) wxFreePoolGC( m_brushGC );
m_brushGC = (GdkGC*) NULL;
if (m_textGC) gdk_gc_unref( m_textGC );
if (m_textGC) wxFreePoolGC( m_textGC );
m_textGC = (GdkGC*) NULL;
if (m_bgGC) gdk_gc_unref( m_bgGC );
if (m_bgGC) wxFreePoolGC( m_bgGC );
m_bgGC = (GdkGC*) NULL;
}
@@ -1702,6 +1886,18 @@ wxPaintDC::wxPaintDC()
wxPaintDC::wxPaintDC( wxWindow *win )
: wxWindowDC( win )
{
/*
if (!win->GetUpdateRegion().IsEmpty())
{
m_paintClippingRegion = win->GetUpdateRegion();
m_currentClippingRegion.Union( m_paintClippingRegion );
gdk_gc_set_clip_region( m_penGC, m_paintClippingRegion.GetRegion() );
gdk_gc_set_clip_region( m_brushGC, m_paintClippingRegion.GetRegion() );
gdk_gc_set_clip_region( m_textGC, m_paintClippingRegion.GetRegion() );
gdk_gc_set_clip_region( m_bgGC, m_paintClippingRegion.GetRegion() );
}
*/
}
//-----------------------------------------------------------------------------
@@ -1720,3 +1916,29 @@ wxClientDC::wxClientDC( wxWindow *win )
{
}
// ----------------------------------------------------------------------------
// wxDCModule
// ----------------------------------------------------------------------------
class wxDCModule : public wxModule
{
public:
bool OnInit();
void OnExit();
private:
DECLARE_DYNAMIC_CLASS(wxDCModule)
};
IMPLEMENT_DYNAMIC_CLASS(wxDCModule, wxModule)
bool wxDCModule::OnInit()
{
wxInitGCPool();
return TRUE;
}
void wxDCModule::OnExit()
{
wxCleanUpGCPool();
}