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Aplplied second part of bitmap scaling speed-up patch.

Browse Source 
The PS part is still not done.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_4_BRANCH@24124 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling
2003-10-08 11:59:36 +00:00
parent f16994e949
commit 5d0f365456
2 changed files with 88 additions and 102 deletions
Download Patch File Download Diff File Expand all files Collapse all files

93
src/gtk/dcclient.cpp
View File

@@ -1198,6 +1198,8 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
{
if (!memDC->m_selected.Ok()) return FALSE;
is_mono = (memDC->m_selected.GetDepth() == 1);
/* we use the "XCopyArea" way to copy a memory dc into
y different window if the memory dc BOTH
a) doesn't have any mask or its mask isn't used
@@ -1211,12 +1213,11 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
about masks */
use_bitmap_method = TRUE;
}
else if (memDC->m_selected.GetDepth() == 1)
else if (is_mono)
{
/* we HAVE TO use the direct way for memory dcs
that are bitmaps because XCopyArea doesn't cope
with different bit depths */
is_mono = TRUE;
use_bitmap_method = TRUE;
}
else if ((xsrc == 0) && (ysrc == 0) &&
@@ -1238,14 +1239,14 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
CalcBoundingBox( xdest, ydest );
CalcBoundingBox( xdest + width, ydest + height );
/* scale/translate size and position */
// 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 */
// compare to current clipping region
if (!m_currentClippingRegion.IsNull())
{
wxRegion tmp( xx,yy,ww,hh );
@@ -1259,32 +1260,39 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
if (use_bitmap_method)
{
/* scale/translate bitmap size */
// scale/translate bitmap size
wxCoord bm_width = memDC->m_selected.GetWidth();
wxCoord bm_height = memDC->m_selected.GetHeight();
// get clip coords
wxRegion tmp( xx,yy,ww,hh );
tmp.Intersect( m_currentClippingRegion );
wxCoord cx,cy,cw,ch;
tmp.GetBox(cx,cy,cw,ch);
// interpret userscale of src too
double xsc,ysc;
memDC->GetUserScale(&xsc,&ysc);
bm_width = (int) (bm_width / xsc);
bm_height = (int) (bm_height / ysc);
wxCoord bm_ww = XLOG2DEVREL( bm_width );
wxCoord bm_hh = YLOG2DEVREL( bm_height );
/* scale bitmap if required */
// scale bitmap if required
wxBitmap use_bitmap;
if ((bm_width != bm_ww) || (bm_height != bm_hh))
{
wxImage image = memDC->m_selected.ConvertToImage();
image = image.Scale( bm_ww, bm_hh );
if (is_mono)
use_bitmap = wxBitmap(image.ConvertToMono(255,255,255), 1);
else
use_bitmap = wxBitmap(image);
use_bitmap = memDC->m_selected.Rescale(cx-xx,cy-yy,cw,ch,bm_ww,bm_hh);
}
else
{
// FIXME: use cx,cy,cw,ch here, too?
use_bitmap = memDC->m_selected;
}
/* apply mask if any */
// apply mask if any
GdkBitmap *mask = (GdkBitmap *) NULL;
if (use_bitmap.GetMask()) mask = use_bitmap.GetMask()->GetBitmap();
@@ -1305,7 +1313,8 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
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 );
// was: gdk_gc_set_clip_origin( gc, -xx, -yy );
gdk_gc_set_clip_origin( gc, -cx, -cy );
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 );
@@ -1318,7 +1327,8 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
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 );
// was: gdk_gc_set_clip_origin( m_textGC, xx, yy );
gdk_gc_set_clip_origin( m_textGC, cx, cy );
}
else
{
@@ -1326,7 +1336,8 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
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 );
// was: gdk_gc_set_clip_origin( m_penGC, xx, yy );
gdk_gc_set_clip_origin( m_penGC, cx, cy );
}
if (new_mask)
gdk_bitmap_unref( new_mask );
@@ -1336,9 +1347,11 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
drawing a mono-bitmap (XBitmap) we use the current text GC */
if (is_mono)
gdk_wx_draw_bitmap( m_window, m_textGC, use_bitmap.GetBitmap(), xsrc, ysrc, xx, yy, ww, hh );
// was: gdk_wx_draw_bitmap( m_window, m_textGC, use_bitmap.GetBitmap(), xsrc, ysrc, xx, yy, ww, hh );
gdk_wx_draw_bitmap( m_window, m_textGC, use_bitmap.GetBitmap(), xsrc, ysrc, cx, cy, cw, ch );
else
gdk_draw_pixmap( m_window, m_penGC, use_bitmap.GetPixmap(), xsrc, ysrc, xx, yy, ww, hh );
// was: gdk_draw_pixmap( m_window, m_penGC, use_bitmap.GetPixmap(), xsrc, ysrc, xx, yy, ww, hh );
gdk_draw_pixmap( m_window, m_penGC, use_bitmap.GetPixmap(), xsrc, ysrc, cx, cy, cw, ch );
/* remove mask again if any */
if (useMask && mask)
@@ -1363,38 +1376,18 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
{
if ((width != ww) || (height != hh))
{
/* draw source window into a bitmap as we cannot scale
a window in contrast to a bitmap. this would actually
work with memory dcs as well, but we'd lose the mask
information and waste one step in this process since
a memory already has a bitmap. all this is slightly
inefficient as we could take an XImage directly from
an X window, but we'd then also have to care that
the window is not outside the screen (in which case
we'd get a BadMatch or what not).
Is a double XGetImage and combined XGetPixel and
XPutPixel really faster? I'm not sure. look at wxXt
for a different implementation of the same problem. */
// get clip coords
wxRegion tmp( xx,yy,ww,hh );
tmp.Intersect( m_currentClippingRegion );
wxCoord cx,cy,cw,ch;
tmp.GetBox(cx,cy,cw,ch);
wxBitmap bitmap( width, height );
/* copy including child window contents */
gdk_gc_set_subwindow( m_penGC, GDK_INCLUDE_INFERIORS );
gdk_window_copy_area( bitmap.GetPixmap(), m_penGC, 0, 0,
srcDC->GetWindow(),
xsrc, ysrc, width, height );
gdk_gc_set_subwindow( m_penGC, GDK_CLIP_BY_CHILDREN );
/* scale image */
wxImage image = bitmap.ConvertToImage();
image = image.Scale( ww, hh );
/* convert to bitmap */
bitmap = wxBitmap(image);
/* draw scaled bitmap */
gdk_draw_pixmap( m_window, m_penGC, bitmap.GetPixmap(), 0, 0, xx, yy, -1, -1 );
// rescale bitmap
wxBitmap bitmap = memDC->m_selected.Rescale( cx-xx, cy-yy, cw, ch, ww, hh );
// draw scaled bitmap
// was: gdk_draw_pixmap( m_window, m_penGC, bitmap.GetPixmap(), 0, 0, xx, yy, -1, -1 );
gdk_draw_pixmap( m_window, m_penGC, bitmap.GetPixmap(), 0, 0, cx, cy, -1, -1 );
}
else
{
@@ -1447,7 +1440,7 @@ void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
pango_layout_set_text( layout, (const char*)data, strlen((const char*)data) );
if (m_scaleY != 1.0)
if (m_scaleY - 1.0 < 0.00001)
{
// If there is a user or actually any scale applied to
// the device context, scale the font.

93
src/gtk1/dcclient.cpp
View File

@@ -1198,6 +1198,8 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
{
if (!memDC->m_selected.Ok()) return FALSE;
is_mono = (memDC->m_selected.GetDepth() == 1);
/* we use the "XCopyArea" way to copy a memory dc into
y different window if the memory dc BOTH
a) doesn't have any mask or its mask isn't used
@@ -1211,12 +1213,11 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
about masks */
use_bitmap_method = TRUE;
}
else if (memDC->m_selected.GetDepth() == 1)
else if (is_mono)
{
/* we HAVE TO use the direct way for memory dcs
that are bitmaps because XCopyArea doesn't cope
with different bit depths */
is_mono = TRUE;
use_bitmap_method = TRUE;
}
else if ((xsrc == 0) && (ysrc == 0) &&
@@ -1238,14 +1239,14 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
CalcBoundingBox( xdest, ydest );
CalcBoundingBox( xdest + width, ydest + height );
/* scale/translate size and position */
// 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 */
// compare to current clipping region
if (!m_currentClippingRegion.IsNull())
{
wxRegion tmp( xx,yy,ww,hh );
@@ -1259,32 +1260,39 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
if (use_bitmap_method)
{
/* scale/translate bitmap size */
// scale/translate bitmap size
wxCoord bm_width = memDC->m_selected.GetWidth();
wxCoord bm_height = memDC->m_selected.GetHeight();
// get clip coords
wxRegion tmp( xx,yy,ww,hh );
tmp.Intersect( m_currentClippingRegion );
wxCoord cx,cy,cw,ch;
tmp.GetBox(cx,cy,cw,ch);
// interpret userscale of src too
double xsc,ysc;
memDC->GetUserScale(&xsc,&ysc);
bm_width = (int) (bm_width / xsc);
bm_height = (int) (bm_height / ysc);
wxCoord bm_ww = XLOG2DEVREL( bm_width );
wxCoord bm_hh = YLOG2DEVREL( bm_height );
/* scale bitmap if required */
// scale bitmap if required
wxBitmap use_bitmap;
if ((bm_width != bm_ww) || (bm_height != bm_hh))
{
wxImage image = memDC->m_selected.ConvertToImage();
image = image.Scale( bm_ww, bm_hh );
if (is_mono)
use_bitmap = wxBitmap(image.ConvertToMono(255,255,255), 1);
else
use_bitmap = wxBitmap(image);
use_bitmap = memDC->m_selected.Rescale(cx-xx,cy-yy,cw,ch,bm_ww,bm_hh);
}
else
{
// FIXME: use cx,cy,cw,ch here, too?
use_bitmap = memDC->m_selected;
}
/* apply mask if any */
// apply mask if any
GdkBitmap *mask = (GdkBitmap *) NULL;
if (use_bitmap.GetMask()) mask = use_bitmap.GetMask()->GetBitmap();
@@ -1305,7 +1313,8 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
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 );
// was: gdk_gc_set_clip_origin( gc, -xx, -yy );
gdk_gc_set_clip_origin( gc, -cx, -cy );
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 );
@@ -1318,7 +1327,8 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
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 );
// was: gdk_gc_set_clip_origin( m_textGC, xx, yy );
gdk_gc_set_clip_origin( m_textGC, cx, cy );
}
else
{
@@ -1326,7 +1336,8 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
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 );
// was: gdk_gc_set_clip_origin( m_penGC, xx, yy );
gdk_gc_set_clip_origin( m_penGC, cx, cy );
}
if (new_mask)
gdk_bitmap_unref( new_mask );
@@ -1336,9 +1347,11 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
drawing a mono-bitmap (XBitmap) we use the current text GC */
if (is_mono)
gdk_wx_draw_bitmap( m_window, m_textGC, use_bitmap.GetBitmap(), xsrc, ysrc, xx, yy, ww, hh );
// was: gdk_wx_draw_bitmap( m_window, m_textGC, use_bitmap.GetBitmap(), xsrc, ysrc, xx, yy, ww, hh );
gdk_wx_draw_bitmap( m_window, m_textGC, use_bitmap.GetBitmap(), xsrc, ysrc, cx, cy, cw, ch );
else
gdk_draw_pixmap( m_window, m_penGC, use_bitmap.GetPixmap(), xsrc, ysrc, xx, yy, ww, hh );
// was: gdk_draw_pixmap( m_window, m_penGC, use_bitmap.GetPixmap(), xsrc, ysrc, xx, yy, ww, hh );
gdk_draw_pixmap( m_window, m_penGC, use_bitmap.GetPixmap(), xsrc, ysrc, cx, cy, cw, ch );
/* remove mask again if any */
if (useMask && mask)
@@ -1363,38 +1376,18 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
{
if ((width != ww) || (height != hh))
{
/* draw source window into a bitmap as we cannot scale
a window in contrast to a bitmap. this would actually
work with memory dcs as well, but we'd lose the mask
information and waste one step in this process since
a memory already has a bitmap. all this is slightly
inefficient as we could take an XImage directly from
an X window, but we'd then also have to care that
the window is not outside the screen (in which case
we'd get a BadMatch or what not).
Is a double XGetImage and combined XGetPixel and
XPutPixel really faster? I'm not sure. look at wxXt
for a different implementation of the same problem. */
// get clip coords
wxRegion tmp( xx,yy,ww,hh );
tmp.Intersect( m_currentClippingRegion );
wxCoord cx,cy,cw,ch;
tmp.GetBox(cx,cy,cw,ch);
wxBitmap bitmap( width, height );
/* copy including child window contents */
gdk_gc_set_subwindow( m_penGC, GDK_INCLUDE_INFERIORS );
gdk_window_copy_area( bitmap.GetPixmap(), m_penGC, 0, 0,
srcDC->GetWindow(),
xsrc, ysrc, width, height );
gdk_gc_set_subwindow( m_penGC, GDK_CLIP_BY_CHILDREN );
/* scale image */
wxImage image = bitmap.ConvertToImage();
image = image.Scale( ww, hh );
/* convert to bitmap */
bitmap = wxBitmap(image);
/* draw scaled bitmap */
gdk_draw_pixmap( m_window, m_penGC, bitmap.GetPixmap(), 0, 0, xx, yy, -1, -1 );
// rescale bitmap
wxBitmap bitmap = memDC->m_selected.Rescale( cx-xx, cy-yy, cw, ch, ww, hh );
// draw scaled bitmap
// was: gdk_draw_pixmap( m_window, m_penGC, bitmap.GetPixmap(), 0, 0, xx, yy, -1, -1 );
gdk_draw_pixmap( m_window, m_penGC, bitmap.GetPixmap(), 0, 0, cx, cy, -1, -1 );
}
else
{
@@ -1447,7 +1440,7 @@ void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
pango_layout_set_text( layout, (const char*)data, strlen((const char*)data) );
if (m_scaleY != 1.0)
if (m_scaleY - 1.0 < 0.00001)
{
// If there is a user or actually any scale applied to
// the device context, scale the font.