/////////////////////////////////////////////////////////////////////////////
// Name: src/gtk/dcclient.cpp
-// Purpose:
+// Purpose: wxWindowDCImpl implementation
// Author: Robert Roebling
// RCS-ID: $Id$
// Copyright: (c) 1998 Robert Roebling, Chris Breeze
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
-#ifdef __VMS
-#define XCopyPlane XCOPYPLANE
-#endif
-
#include "wx/gtk/dcclient.h"
#ifndef WX_PRECOMP
#include "wx/gtk/private.h"
#include "wx/gtk/private/object.h"
-#include <gdk/gdkx.h>
-
//-----------------------------------------------------------------------------
// local defines
//-----------------------------------------------------------------------------
static GdkPixmap* hatches[wxBRUSHSTYLE_LAST_HATCH - wxBRUSHSTYLE_FIRST_HATCH + 1];
-extern GtkWidget *wxGetRootWindow();
-
//-----------------------------------------------------------------------------
// constants
//-----------------------------------------------------------------------------
return hatches[i];
}
-//-----------------------------------------------------------------------------
-// temporary implementation of the missing GDK function
-//-----------------------------------------------------------------------------
-
-static
-void gdk_wx_draw_bitmap(GdkDrawable *drawable,
- GdkGC *gc,
- GdkDrawable *src,
- gint xsrc,
- gint ysrc)
-{
- wxCHECK_RET( drawable, _T("NULL drawable in gdk_wx_draw_bitmap") );
- wxCHECK_RET( src, _T("NULL src in gdk_wx_draw_bitmap") );
- wxCHECK_RET( gc, _T("NULL gc in gdk_wx_draw_bitmap") );
-
- gint src_width, src_height;
- gdk_drawable_get_size(src, &src_width, &src_height);
-
- XCopyPlane( GDK_WINDOW_XDISPLAY(drawable),
- GDK_WINDOW_XID(src),
- GDK_WINDOW_XID(drawable),
- GDK_GC_XGC(gc),
- xsrc, ysrc,
- src_width, src_height,
- 0, 0,
- 1 );
-}
-
//-----------------------------------------------------------------------------
// Implement Pool of Graphic contexts. Creating them takes too much time.
//-----------------------------------------------------------------------------
// The realloc failed. Fall through to error.
wxFAIL_MSG( wxT("No GC available") );
- return (GdkGC*) NULL;
+ return NULL;
}
static void wxFreePoolGC( GdkGC *gc )
wxWindowDCImpl::wxWindowDCImpl( wxDC *owner ) :
wxGTKDCImpl( owner )
{
- m_gdkwindow = (GdkWindow*) NULL;
- m_penGC = (GdkGC *) NULL;
- m_brushGC = (GdkGC *) NULL;
- m_textGC = (GdkGC *) NULL;
- m_bgGC = (GdkGC *) NULL;
- m_cmap = (GdkColormap *) NULL;
+ m_gdkwindow = NULL;
+ m_penGC = NULL;
+ m_brushGC = NULL;
+ m_textGC = NULL;
+ m_bgGC = NULL;
+ m_cmap = NULL;
m_isScreenDC = false;
- m_context = (PangoContext *)NULL;
- m_layout = (PangoLayout *)NULL;
- m_fontdesc = (PangoFontDescription *)NULL;
+ m_context = NULL;
+ m_layout = NULL;
+ m_fontdesc = NULL;
}
wxWindowDCImpl::wxWindowDCImpl( wxDC *owner, wxWindow *window ) :
{
wxASSERT_MSG( window, wxT("DC needs a window") );
- m_gdkwindow = (GdkWindow*) NULL;
- m_penGC = (GdkGC *) NULL;
- m_brushGC = (GdkGC *) NULL;
- m_textGC = (GdkGC *) NULL;
- m_bgGC = (GdkGC *) NULL;
- m_cmap = (GdkColormap *) NULL;
+ m_gdkwindow = NULL;
+ m_penGC = NULL;
+ m_brushGC = NULL;
+ m_textGC = NULL;
+ m_bgGC = NULL;
+ m_cmap = NULL;
m_isScreenDC = false;
m_font = window->GetFont();
GtkWidget *widget = window->m_wxwindow;
// Some controls don't have m_wxwindow - like wxStaticBox, but the user
- // code should still be able to create wxClientDCs for them, so we will
- // use the parent window here then.
+ // code should still be able to create wxClientDCs for them
if ( !widget )
{
- window = window->GetParent();
- widget = window->m_wxwindow;
- }
+ widget = window->m_widget;
- wxASSERT_MSG( widget, wxT("DC needs a widget") );
+ wxCHECK_RET(widget, "DC needs a widget");
+
+ if (GTK_WIDGET_NO_WINDOW(widget))
+ SetDeviceLocalOrigin(widget->allocation.x, widget->allocation.y);
+ }
- m_context = window->GtkGetPangoDefaultContext();
+ m_context = window->GTKGetPangoDefaultContext();
m_layout = pango_layout_new( m_context );
m_fontdesc = pango_font_description_copy( widget->style->font_desc );
return;
}
- m_cmap = gtk_widget_get_colormap( widget ? widget : window->m_widget );
+ m_cmap = gtk_widget_get_colormap(widget);
SetUpDC();
m_window = window;
- if (m_window && m_window->m_wxwindow &&
+ if (m_window && m_window->m_wxwindow &&
(m_window->GetLayoutDirection() == wxLayout_RightToLeft))
{
// reverse sense
}
if (!done)
- {
+ {
if (m_isScreenDC)
{
m_penGC = wxGetPoolGC( m_gdkwindow, wxPEN_SCREEN );
gdk_gc_set_function( m_penGC, 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 );
+ gdk_gc_set_clip_rectangle( m_penGC, NULL );
+ gdk_gc_set_clip_rectangle( m_brushGC, NULL );
+ gdk_gc_set_clip_rectangle( m_textGC, NULL );
+ gdk_gc_set_clip_rectangle( m_bgGC, NULL );
}
void wxWindowDCImpl::DoGetSize( int* width, int* height ) const
{
- wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") );
+ wxCHECK_RET( m_window, wxT("GetSize() doesn't work without window") );
m_window->GetSize(width, height);
}
bool wxWindowDCImpl::DoFloodFill(wxCoord x, wxCoord y,
- const wxColour& col, int style)
+ const wxColour& col, wxFloodFillStyle style)
{
#if wxUSE_IMAGE
extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y,
- const wxColour & col, int style);
+ const wxColour & col, wxFloodFillStyle style);
return wxDoFloodFill( GetOwner(), x, y, col, style);
#else
bool wxWindowDCImpl::DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const
{
-#if wxUSE_IMAGE
- // Generic (and therefore rather inefficient) method.
- // Could be improved.
- wxMemoryDC memdc;
- wxBitmap bitmap(1, 1);
- memdc.SelectObject(bitmap);
- memdc.Blit(0, 0, 1, 1, GetOwner(), x1, y1);
- memdc.SelectObject(wxNullBitmap);
-
- wxImage image = bitmap.ConvertToImage();
- col->Set(image.GetRed(0, 0), image.GetGreen(0, 0), image.GetBlue(0, 0));
+ GdkImage* image = NULL;
+ if (m_gdkwindow)
+ {
+ const int x = LogicalToDeviceX(x1);
+ const int y = LogicalToDeviceY(y1);
+ wxRect rect;
+ gdk_drawable_get_size(m_gdkwindow, &rect.width, &rect.height);
+ if (rect.Contains(x, y))
+ image = gdk_drawable_get_image(m_gdkwindow, x, y, 1, 1);
+ }
+ if (image == NULL)
+ {
+ *col = wxColour();
+ return false;
+ }
+ GdkColormap* colormap = gdk_image_get_colormap(image);
+ const unsigned pixel = gdk_image_get_pixel(image, 0, 0);
+ if (colormap == NULL)
+ *col = pixel ? m_textForegroundColour : m_textBackgroundColour;
+ else
+ {
+ GdkColor c;
+ gdk_colormap_query_color(colormap, pixel, &c);
+ col->Set(c.red >> 8, c.green >> 8, c.blue >> 8);
+ }
+ g_object_unref(image);
return true;
-#else // !wxUSE_IMAGE
- wxUnusedVar(x1);
- wxUnusedVar(y1);
- wxUnusedVar(col);
-
- return false;
-#endif // wxUSE_IMAGE/!wxUSE_IMAGE
}
void wxWindowDCImpl::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
{
wxCHECK_RET( IsOk(), wxT("invalid window dc") );
-
+
if (m_pen.GetStyle() != wxPENSTYLE_TRANSPARENT)
{
if (m_gdkwindow)
delete[] gpts;
}
-void wxWindowDCImpl::DoDrawPolygon( int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, int WXUNUSED(fillStyle) )
+void wxWindowDCImpl::DoDrawPolygon( int n, wxPoint points[],
+ wxCoord xoffset, wxCoord yoffset,
+ wxPolygonFillMode WXUNUSED(fillStyle) )
{
wxCHECK_RET( IsOk(), wxT("invalid window dc") );
bool originChanged;
DrawingSetup(gc, originChanged);
+ // If the pen is transparent pen we increase the size
+ // for better compatibility with other platforms.
+ if (m_pen.GetStyle() == wxPENSTYLE_TRANSPARENT)
+ {
+ ++ww;
+ ++hh;
+ }
+
gdk_draw_arc(m_gdkwindow, gc, true, xx, yy, ww, hh, 0, 360*64);
if (originChanged)
}
if (m_pen.GetStyle() != wxPENSTYLE_TRANSPARENT)
- gdk_draw_arc( m_gdkwindow, m_penGC, FALSE, xx, yy, ww, hh, 0, 360*64 );
+ gdk_draw_arc( m_gdkwindow, m_penGC, false, xx, yy, ww, hh, 0, 360*64 );
}
CalcBoundingBox( x, y );
DoDrawBitmap( (const wxBitmap&)icon, x, y, true );
}
-// compare to current clipping region
-bool wxWindowDCImpl::IsOutsideOfClippingRegion(int x, int y, int w, int h)
-{
- if (m_currentClippingRegion.IsNull())
- return false;
-
- wxRegion region(x, y, w, h);
- region.Intersect( m_currentClippingRegion );
- return region.IsEmpty();
-}
-
-void wxWindowDCImpl::RemoveClipMask(GdkGC *gc)
-{
- gdk_gc_set_clip_mask(gc, NULL);
- gdk_gc_set_clip_origin(gc, 0, 0);
- if (!m_currentClippingRegion.IsNull())
- gdk_gc_set_clip_region(gc, m_currentClippingRegion.GetRegion());
-}
-
-// For drawing a mono-bitmap (XBitmap) we use the current text GC
-void wxWindowDCImpl::DoDrawMonoBitmap(const wxBitmap& bitmap,
- int bmp_w, int bmp_h,
- int xsrc, int ysrc,
- int xdest, int ydest,
- int width, int height)
-{
- wxGtkObject<GdkPixmap>
- bitmap2(gdk_pixmap_new( wxGetRootWindow()->window, bmp_w, bmp_h, -1 ));
- wxGtkObject<GdkGC> gc(gdk_gc_new( bitmap2 ));
- gdk_gc_set_foreground( gc, m_textForegroundColour.GetColor() );
- gdk_gc_set_background( gc, m_textBackgroundColour.GetColor() );
- gdk_wx_draw_bitmap(bitmap2, gc, bitmap.GetPixmap(), 0, 0);
-
- gdk_draw_drawable(m_gdkwindow, m_textGC, bitmap2, xsrc, ysrc, xdest, ydest,
- width, height);
-}
-
-// Returns a new mask that is the intersection of the old mask
-// and m_currentClippingRegion with proper offsets
-GdkBitmap* wxWindowDCImpl::GetClippedMask(GdkBitmap* mask, int w, int h,
- int x, int y,
- int xsrcMask, int ysrcMask)
-{
- // create monochrome bitmap that will be used as the new mask
- GdkBitmap *new_mask = gdk_pixmap_new( wxGetRootWindow()->window, w, h, 1 );
-
- GdkColor c0, c1;
- c0.pixel = 0;
- c1.pixel = 1;
- wxGtkObject<GdkGC> gc(gdk_gc_new( new_mask ));
-
- // zero-ing new_mask
- gdk_gc_set_foreground( gc, &c0 );
- gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, w, h );
-
- // clipping region
- gdk_gc_set_clip_region( gc, m_currentClippingRegion.GetRegion() );
- gdk_gc_set_clip_origin( gc, -x, -y );
-
- // copy the old mask to the new_mask in the clip region area
- gdk_gc_set_background( gc, &c0 );
- gdk_gc_set_foreground( gc, &c1 );
- gdk_gc_set_fill( gc, GDK_OPAQUE_STIPPLED );
- gdk_gc_set_ts_origin( gc, -xsrcMask, -ysrcMask );
- gdk_gc_set_stipple( gc, mask );
- gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, w, h );
-
- return new_mask;
+// scale a pixbuf, return new pixbuf, unref old one
+static GdkPixbuf*
+Scale(GdkPixbuf* pixbuf, int dst_w, int dst_h, double sx, double sy)
+{
+ GdkPixbuf* pixbuf_scaled = gdk_pixbuf_new(
+ GDK_COLORSPACE_RGB, gdk_pixbuf_get_has_alpha(pixbuf), 8, dst_w, dst_h);
+ gdk_pixbuf_scale(pixbuf, pixbuf_scaled,
+ 0, 0, dst_w, dst_h, 0, 0, sx, sy, GDK_INTERP_NEAREST);
+ g_object_unref(pixbuf);
+ return pixbuf_scaled;
+}
+
+// scale part of a pixmap using pixbuf scaling, return pixbuf
+static GdkPixbuf*
+Scale(GdkPixmap* pixmap, int x, int y, int w, int h, int dst_w, int dst_h, double sx, double sy)
+{
+ GdkPixbuf* pixbuf = gdk_pixbuf_get_from_drawable(
+ NULL, pixmap, NULL, x, y, 0, 0, w, h);
+ return Scale(pixbuf, dst_w, dst_h, sx, sy);
+}
+
+// scale part of a mask pixmap, return new mask, unref old one
+static GdkPixmap*
+ScaleMask(GdkPixmap* mask, int x, int y, int w, int h, int dst_w, int dst_h, double sx, double sy)
+{
+ GdkPixbuf* pixbuf = Scale(mask, x, y, w, h, dst_w, dst_h, sx, sy);
+
+ // convert black and white pixbuf back to a mono pixmap
+ const unsigned out_rowstride = (dst_w + 7) / 8;
+ const size_t data_size = out_rowstride * size_t(dst_h);
+ char* data = new char[data_size];
+ char* out = data;
+ const guchar* row = gdk_pixbuf_get_pixels(pixbuf);
+ const int rowstride = gdk_pixbuf_get_rowstride(pixbuf);
+ memset(data, 0, data_size);
+ for (int j = 0; j < dst_h; j++, row += rowstride, out += out_rowstride)
+ {
+ const guchar* in = row;
+ for (int i = 0; i < dst_w; i++, in += 3)
+ if (*in)
+ out[i >> 3] |= 1 << (i & 7);
+ }
+ g_object_unref(pixbuf);
+ GdkPixmap* pixmap = gdk_bitmap_create_from_data(mask, data, dst_w, dst_h);
+ delete[] data;
+ g_object_unref(mask);
+ return pixmap;
+}
+
+// Make a new mask from part of a mask and a clip region.
+// Return new mask, unref old one.
+static GdkPixmap*
+ClipMask(GdkPixmap* mask, GdkRegion* clipRegion, int x, int y, int dst_x, int dst_y, int w, int h)
+{
+ GdkGCValues gcValues;
+ gcValues.foreground.pixel = 0;
+ GdkGC* gc = gdk_gc_new_with_values(mask, &gcValues, GDK_GC_FOREGROUND);
+ GdkPixmap* pixmap = gdk_pixmap_new(mask, w, h, 1);
+ // clear new mask, so clipped areas will be masked
+ gdk_draw_rectangle(pixmap, gc, true, 0, 0, w, h);
+ gdk_gc_set_clip_region(gc, clipRegion);
+ gdk_gc_set_clip_origin(gc, -dst_x, -dst_y);
+ // draw old mask onto new one, with clip
+ gdk_draw_drawable(pixmap, gc, mask, x, y, 0, 0, w, h);
+ g_object_unref(gc);
+ g_object_unref(mask);
+ return pixmap;
+}
+
+// make a color pixmap from part of a mono one, using text fg/bg colors
+GdkPixmap*
+wxWindowDCImpl::MonoToColor(GdkPixmap* monoPixmap, int x, int y, int w, int h) const
+{
+ GdkPixmap* pixmap = gdk_pixmap_new(m_gdkwindow, w, h, -1);
+ GdkGCValues gcValues;
+ gcValues.foreground.pixel = m_textForegroundColour.GetColor()->pixel;
+ gcValues.background.pixel = m_textBackgroundColour.GetColor()->pixel;
+ gcValues.stipple = monoPixmap;
+ gcValues.fill = GDK_OPAQUE_STIPPLED;
+ gcValues.ts_x_origin = -x;
+ gcValues.ts_y_origin = -y;
+ GdkGC* gc = gdk_gc_new_with_values(pixmap, &gcValues, GdkGCValuesMask(
+ GDK_GC_FOREGROUND | GDK_GC_BACKGROUND | GDK_GC_STIPPLE | GDK_GC_FILL |
+ GDK_GC_TS_X_ORIGIN | GDK_GC_TS_Y_ORIGIN));
+ gdk_draw_rectangle(pixmap, gc, true, 0, 0, w, h);
+ g_object_unref(gc);
+ return pixmap;
}
void wxWindowDCImpl::DoDrawBitmap( const wxBitmap &bitmap,
bool useMask )
{
wxCHECK_RET( IsOk(), wxT("invalid window dc") );
-
wxCHECK_RET( bitmap.IsOk(), wxT("invalid bitmap") );
- bool is_mono = bitmap.GetDepth() == 1;
-
- // scale/translate size and position
- int xx = XLOG2DEV(x);
- int yy = YLOG2DEV(y);
-
- int w = bitmap.GetWidth();
- int h = bitmap.GetHeight();
-
- if (m_window && m_window->GetLayoutDirection() == wxLayout_RightToLeft)
- xx -= w;
-
- CalcBoundingBox( x, y );
- CalcBoundingBox( x + w, y + h );
-
if (!m_gdkwindow) return;
- int ww = XLOG2DEVREL(w);
- int hh = YLOG2DEVREL(h);
+ const int w = bitmap.GetWidth();
+ const int h = bitmap.GetHeight();
- if (IsOutsideOfClippingRegion( xx,yy,ww,hh ))
- return;
+ // notice that as the bitmap is not drawn upside down (or right to left)
+ // even if the corresponding axis direction is inversed, we need to take it
+ // into account when calculating its bounding box
+ CalcBoundingBox(x, y);
+ CalcBoundingBox(x + m_signX*w, y + m_signY*h);
- // scale bitmap if required
- wxBitmap use_bitmap = bitmap;
- if ((w != ww) || (h != hh))
- use_bitmap = use_bitmap.Rescale( 0, 0, w, h, ww, hh );
+ // device coords
+ int xx = LogicalToDeviceX(x);
+ const int yy = LogicalToDeviceY(y);
+ const int ww = LogicalToDeviceXRel(w);
+ const int hh = LogicalToDeviceYRel(h);
- // get mask if any
- GdkBitmap *mask = (GdkBitmap *) NULL;
- if (useMask && use_bitmap.GetMask())
- mask = use_bitmap.GetMask()->GetBitmap();
+ if (m_window && m_window->GetLayoutDirection() == wxLayout_RightToLeft)
+ xx -= ww;
- // for drawing a mono-bitmap we use the current text GC
- GdkGC* use_gc = is_mono ? m_textGC : m_penGC;
+ GdkRegion* const clipRegion = m_currentClippingRegion.GetRegion();
+ // determine clip region overlap
+ int overlap = wxInRegion;
+ if (clipRegion)
+ {
+ overlap = m_currentClippingRegion.Contains(xx, yy, ww, hh);
+ if (overlap == wxOutRegion)
+ return;
+ }
- bool mask_owned = false;
+ const bool isScaled = ww != w || hh != h;
+ const bool hasAlpha = bitmap.HasAlpha();
+ GdkGC* const use_gc = m_penGC;
- if (mask != NULL)
+ GdkPixmap* mask = NULL;
+ // mask does not work when drawing a pixbuf with alpha
+ if (useMask && !hasAlpha)
+ {
+ wxMask* m = bitmap.GetMask();
+ if (m)
+ mask = m->GetBitmap();
+ }
+ if (mask)
{
- if (!m_currentClippingRegion.IsNull())
+ g_object_ref(mask);
+ if (isScaled)
+ mask = ScaleMask(mask, 0, 0, w, h, ww, hh, m_scaleX, m_scaleY);
+ if (overlap == wxPartRegion)
{
- mask = GetClippedMask(mask, ww, hh, xx, yy, 0, 0);
- mask_owned = true;
+ // need a new mask that also masks the clipped area,
+ // because gc can't have both a mask and a clip region
+ mask = ClipMask(mask, clipRegion, 0, 0, xx, yy, ww, hh);
}
-
gdk_gc_set_clip_mask(use_gc, mask);
gdk_gc_set_clip_origin(use_gc, xx, yy);
}
- // Draw XPixmap or XBitmap, depending on what the wxBitmap contains.
- if (is_mono)
+ // determine whether to use pixmap or pixbuf
+ GdkPixmap* pixmap = NULL;
+ GdkPixbuf* pixbuf = NULL;
+ if (bitmap.HasPixmap())
+ pixmap = bitmap.GetPixmap();
+ if (pixmap && gdk_drawable_get_depth(pixmap) == 1)
+ {
+ // convert mono pixmap to color using text fg/bg colors
+ pixmap = MonoToColor(pixmap, 0, 0, w, h);
+ }
+ else if (hasAlpha || pixmap == NULL)
{
- DoDrawMonoBitmap(use_bitmap, ww, hh, 0, 0, xx, yy, -1, -1);
+ pixmap = NULL;
+ pixbuf = bitmap.GetPixbuf();
+ g_object_ref(pixbuf);
}
else
{
- if (use_bitmap.HasPixbuf())
- {
- gdk_draw_pixbuf(m_gdkwindow, use_gc,
- use_bitmap.GetPixbuf(),
- 0, 0, xx, yy, -1, -1,
- GDK_RGB_DITHER_NORMAL, xx, yy);
- }
+ g_object_ref(pixmap);
+ }
+
+ if (isScaled)
+ {
+ if (pixbuf)
+ pixbuf = Scale(pixbuf, ww, hh, m_scaleX, m_scaleY);
else
- {
- gdk_draw_drawable(m_gdkwindow, use_gc,
- use_bitmap.GetPixmap(),
- 0, 0, xx, yy, -1, -1);
- }
+ pixbuf = Scale(pixmap, 0, 0, w, h, ww, hh, m_scaleX, m_scaleY);
+ }
+
+ if (pixbuf)
+ {
+ gdk_draw_pixbuf(m_gdkwindow, use_gc, pixbuf,
+ 0, 0, xx, yy, ww, hh, GDK_RGB_DITHER_NORMAL, 0, 0);
+ g_object_unref(pixbuf);
+ }
+ else
+ {
+ gdk_draw_drawable(m_gdkwindow, use_gc, pixmap, 0, 0, xx, yy, ww, hh);
}
- // remove mask again if any
- if (mask != NULL)
+ if (pixmap)
+ g_object_unref(pixmap);
+ if (mask)
{
- RemoveClipMask(use_gc);
- if (mask_owned)
- g_object_unref(mask);
+ g_object_unref(mask);
+ gdk_gc_set_clip_region(use_gc, clipRegion);
}
}
wxCoord width, wxCoord height,
wxDC *source,
wxCoord xsrc, wxCoord ysrc,
- int logical_func,
+ wxRasterOperationMode logical_func,
bool useMask,
wxCoord xsrcMask, wxCoord ysrcMask )
{
wxCHECK_MSG( IsOk(), false, wxT("invalid window dc") );
-
wxCHECK_MSG( source, false, wxT("invalid source dc") );
if (!m_gdkwindow) return false;
- // transform the source DC coords to the device ones
- xsrc = source->LogicalToDeviceX(xsrc);
- ysrc = source->LogicalToDeviceY(ysrc);
-
- wxBitmap selected;
- wxMemoryDC *memDC = wxDynamicCast(source, wxMemoryDC);
- if ( memDC )
+ GdkDrawable* srcDrawable = NULL;
+ GdkPixmap* mask = NULL;
+ wxMemoryDC* memDC = wxDynamicCast(source, wxMemoryDC);
+ if (memDC)
{
- selected = memDC->GetSelectedBitmap();
- if ( !selected.IsOk() )
+ const wxBitmap& bitmap = memDC->GetSelectedBitmap();
+ if (!bitmap.IsOk())
return false;
+ srcDrawable = bitmap.GetPixmap();
+ if (useMask)
+ {
+ wxMask* m = bitmap.GetMask();
+ if (m)
+ mask = m->GetBitmap();
+ }
}
-
- bool use_bitmap_method = false;
- bool is_mono = false;
-
- if (xsrcMask == -1 && ysrcMask == -1)
+ else
{
- xsrcMask = xsrc;
- ysrcMask = ysrc;
+ wxDCImpl* impl = source->GetImpl();
+ wxWindowDCImpl* gtk_impl = wxDynamicCast(impl, wxWindowDCImpl);
+ if (gtk_impl)
+ srcDrawable = gtk_impl->GetGDKWindow();
+ if (srcDrawable == NULL)
+ return false;
}
- if (selected.IsOk())
- {
- is_mono = (selected.GetDepth() == 1);
-
- // we use the "XCopyArea" way to copy a memory dc into
- // a different window if the memory dc BOTH
- // a) doesn't have any mask or its mask isn't used
- // b) it is clipped
- // c) is not 1-bit
-
- if (useMask && (selected.GetMask()))
- {
- // we HAVE TO use the direct way for memory dcs
- // that have mask since the XCopyArea doesn't know
- // about masks
- use_bitmap_method = true;
- }
- 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
- use_bitmap_method = true;
- }
- else if ((xsrc == 0) && (ysrc == 0) &&
- (width == selected.GetWidth()) &&
- (height == selected.GetHeight()))
+ CalcBoundingBox(xdest, ydest);
+ CalcBoundingBox(xdest + width, ydest + height);
+
+ // source device coords
+ int src_x = source->LogicalToDeviceX(xsrc);
+ int src_y = source->LogicalToDeviceY(ysrc);
+ int src_w = source->LogicalToDeviceXRel(width);
+ int src_h = source->LogicalToDeviceYRel(height);
+
+ // Clip source rect to source dc.
+ // Only necessary when scaling, to avoid GDK errors when
+ // converting to pixbuf, but no harm in always doing it.
+ // If source rect changes, it also changes the dest rect.
+ wxRect clip;
+ gdk_drawable_get_size(srcDrawable, &clip.width, &clip.height);
+ clip.Intersect(wxRect(src_x, src_y, src_w, src_h));
+ if (src_w != clip.width || src_h != clip.height)
+ {
+ if (clip.width == 0)
+ return true;
+
+ src_w = clip.width;
+ src_h = clip.height;
+ width = source->DeviceToLogicalXRel(src_w);
+ height = source->DeviceToLogicalYRel(src_h);
+ if (src_x != clip.x || src_y != clip.y)
{
- // we SHOULD use the direct way if all of the bitmap
- // in the memory dc is copied in which case XCopyArea
- // wouldn't be able able to boost performace by reducing
- // the area to be scaled
- use_bitmap_method = true;
+ xdest += source->DeviceToLogicalXRel(clip.x - src_x);
+ ydest += source->DeviceToLogicalYRel(clip.y - src_y);
+ src_x = clip.x;
+ src_y = clip.y;
}
}
- 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 (IsOutsideOfClippingRegion( xx,yy,ww,hh ))
- return true;
+ // destination device coords
+ const int dst_x = LogicalToDeviceX(xdest);
+ const int dst_y = LogicalToDeviceY(ydest);
+ const int dst_w = LogicalToDeviceXRel(width);
+ const int dst_h = LogicalToDeviceYRel(height);
- int old_logical_func = m_logicalFunction;
- SetLogicalFunction( logical_func );
-
- if (use_bitmap_method)
+ GdkRegion* const clipRegion = m_currentClippingRegion.GetRegion();
+ // determine dest clip region overlap
+ int overlap = wxInRegion;
+ if (clipRegion)
{
- // scale/translate bitmap size
- wxCoord bm_width = selected.GetWidth();
- wxCoord bm_height = selected.GetHeight();
-
- // Get clip coords for the bitmap. If we don't
- // use wxBitmap::Rescale(), which can clip the
- // bitmap, these are the same as the original
- // coordinates
- wxCoord cx = xx;
- wxCoord cy = yy;
- wxCoord cw = ww;
- wxCoord ch = hh;
-
- // 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
- wxBitmap use_bitmap = selected;
- if ((selected.GetWidth()!= bm_ww) || ( selected.GetHeight()!= bm_hh))
- {
- // This indicates that the blitting code below will get
- // a clipped bitmap and therefore needs to move the origin
- // accordingly
- wxRegion tmp( xx,yy,ww,hh );
- if (!m_currentClippingRegion.IsNull())
- tmp.Intersect( m_currentClippingRegion );
- tmp.GetBox(cx,cy,cw,ch);
-
- // Scale and clipped bitmap
- use_bitmap = selected.Rescale(cx-xx,cy-yy,cw,ch,bm_ww,bm_hh);
- }
-
- // apply mask if any
- GdkBitmap *mask = (GdkBitmap *) NULL;
- if (useMask && use_bitmap.GetMask())
- mask = use_bitmap.GetMask()->GetBitmap();
-
- GdkGC* use_gc = is_mono ? m_textGC : m_penGC;
-
- bool mask_owned = false;
+ overlap = m_currentClippingRegion.Contains(dst_x, dst_y, dst_w, dst_h);
+ if (overlap == wxOutRegion)
+ return true;
+ }
- if (mask != NULL)
- {
- if (!m_currentClippingRegion.IsNull())
- {
- mask = GetClippedMask(mask, bm_ww, bm_hh, cx, cy,
- xsrcMask, ysrcMask);
- mask_owned = true;
- }
+ const bool isScaled = src_w != dst_w || src_h != dst_h;
+ double scale_x = 0;
+ double scale_y = 0;
+ if (isScaled)
+ {
+ // get source to dest scale
+ double usx, usy, lsx, lsy;
+ source->GetUserScale(&usx, &usy);
+ source->GetLogicalScale(&lsx, &lsy);
+ scale_x = m_scaleX / (usx * lsx);
+ scale_y = m_scaleY / (usy * lsy);
+ }
- gdk_gc_set_clip_mask(use_gc, mask);
- if (mask_owned)
- gdk_gc_set_clip_origin(use_gc, cx, cy);
- else
- gdk_gc_set_clip_origin(use_gc, cx - xsrcMask, cy - ysrcMask);
- }
+ GdkGC* const use_gc = m_penGC;
- // Draw XPixmap or XBitmap, depending on what the wxBitmap contains.
- if (is_mono)
+ if (mask)
+ {
+ g_object_ref(mask);
+ int srcMask_x = src_x;
+ int srcMask_y = src_y;
+ if (xsrcMask != -1 || ysrcMask != -1)
{
- DoDrawMonoBitmap(use_bitmap, bm_ww, bm_hh,
- xsrc, ysrc, cx, cy, cw, ch);
+ srcMask_x = source->LogicalToDeviceX(xsrcMask);
+ srcMask_y = source->LogicalToDeviceY(ysrcMask);
}
- else
+ if (isScaled)
{
- // was: gdk_draw_drawable( m_gdkwindow, m_penGC, use_bitmap.GetPixmap(), xsrc, ysrc, xx, yy, ww, hh );
- gdk_draw_drawable(m_gdkwindow, use_gc, use_bitmap.GetPixmap(), xsrc, ysrc, cx, cy, cw, ch);
+ mask = ScaleMask(mask, srcMask_x, srcMask_y,
+ src_w, src_h, dst_w, dst_h, scale_x, scale_y);
+ srcMask_x = 0;
+ srcMask_y = 0;
}
-
- // remove mask again if any
- if (mask != NULL)
+ if (overlap == wxPartRegion)
{
- RemoveClipMask(use_gc);
- if (mask_owned)
- g_object_unref (mask);
+ // need a new mask that also masks the clipped area,
+ // because gc can't have both a mask and a clip region
+ mask = ClipMask(mask, clipRegion,
+ srcMask_x, srcMask_y, dst_x, dst_y, dst_w, dst_h);
+ srcMask_x = 0;
+ srcMask_y = 0;
}
+ gdk_gc_set_clip_mask(use_gc, mask);
+ gdk_gc_set_clip_origin(use_gc, dst_x - srcMask_x, dst_y - srcMask_y);
}
- else // use_bitmap_method
+
+ GdkPixmap* pixmap = NULL;
+ if (gdk_drawable_get_depth(srcDrawable) == 1)
{
- if (selected.IsOk() && ((width != ww) || (height != hh)))
- {
- wxBitmap bitmap = selected.Rescale( xsrc, ysrc, width, height, ww, hh );
- // draw scaled bitmap
- gdk_draw_drawable( m_gdkwindow, m_penGC, bitmap.GetPixmap(), 0, 0, xx, yy, -1, -1 );
- }
- else
- {
- // No scaling and not a memory dc with a mask either
- GdkWindow* window = NULL;
- wxDCImpl *impl = source->GetImpl();
- wxWindowDCImpl *gtk_impl = wxDynamicCast(impl, wxWindowDCImpl);
- if (gtk_impl)
- window = gtk_impl->GetGDKWindow();
- if ( !window )
- {
- SetLogicalFunction( old_logical_func );
- return false;
- }
+ // Convert mono pixmap to color using text fg/bg colors.
+ // Scaling/drawing is simpler if this is done first.
+ pixmap = MonoToColor(srcDrawable, src_x, src_y, src_w, src_h);
+ srcDrawable = pixmap;
+ src_x = 0;
+ src_y = 0;
+ }
- // copy including child window contents
- gdk_gc_set_subwindow( m_penGC, GDK_INCLUDE_INFERIORS );
- gdk_draw_drawable( m_gdkwindow, m_penGC,
- window,
- xsrc, ysrc, xx, yy,
- width, height );
- gdk_gc_set_subwindow( m_penGC, GDK_CLIP_BY_CHILDREN );
- }
+ const wxRasterOperationMode logical_func_save = m_logicalFunction;
+ SetLogicalFunction(logical_func);
+ if (memDC == NULL)
+ gdk_gc_set_subwindow(use_gc, GDK_INCLUDE_INFERIORS);
+
+ if (isScaled)
+ {
+ GdkPixbuf* pixbuf = Scale(srcDrawable,
+ src_x, src_y, src_w, src_h, dst_w, dst_h, scale_x, scale_y);
+ gdk_draw_pixbuf(m_gdkwindow, use_gc, pixbuf,
+ 0, 0, dst_x, dst_y, dst_w, dst_h, GDK_RGB_DITHER_NONE, 0, 0);
+ g_object_unref(pixbuf);
+ }
+ else
+ {
+ gdk_draw_drawable(m_gdkwindow, use_gc, srcDrawable,
+ src_x, src_y, dst_x, dst_y, dst_w, dst_h);
}
- SetLogicalFunction( old_logical_func );
+ SetLogicalFunction(logical_func_save);
+ if (memDC == NULL)
+ gdk_gc_set_subwindow(use_gc, GDK_CLIP_BY_CHILDREN);
+ if (pixmap)
+ g_object_unref(pixmap);
+ if (mask)
+ {
+ g_object_unref(mask);
+ gdk_gc_set_clip_region(use_gc, clipRegion);
+ }
return true;
}
-void wxWindowDCImpl::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
+void wxWindowDCImpl::DoDrawText(const wxString& text,
+ wxCoord xLogical,
+ wxCoord yLogical)
{
wxCHECK_RET( IsOk(), wxT("invalid window dc") );
if (text.empty()) return;
- x = XLOG2DEV(x);
- y = YLOG2DEV(y);
+ wxCoord x = XLOG2DEV(xLogical),
+ y = YLOG2DEV(yLogical);
wxCHECK_RET( m_context, wxT("no Pango context") );
wxCHECK_RET( m_layout, wxT("no Pango layout") );
x_rtl -= w;
const GdkColor* bg_col = NULL;
- if (m_backgroundMode == wxBRUSHSTYLE_SOLID)
+ if (m_backgroundMode == wxBRUSHSTYLE_SOLID)
bg_col = m_textBackgroundColour.GetColor();
-
+
gdk_draw_layout_with_colors(m_gdkwindow, m_textGC, x_rtl, y, m_layout, NULL, bg_col);
if (isScaled)
pango_layout_set_attributes(m_layout, NULL);
}
- CalcBoundingBox(x + int(w / m_scaleX), y + int(h / m_scaleY));
- CalcBoundingBox(x, y);
+ CalcBoundingBox(xLogical + int(w / m_scaleX), yLogical + int(h / m_scaleY));
+ CalcBoundingBox(xLogical, yLogical);
}
-// TODO: When GTK2.6 is required, merge DoDrawText and DoDrawRotatedText to
+// TODO: When GTK2.6 is required, merge DoDrawText and DoDrawRotatedText to
// avoid code duplication
void wxWindowDCImpl::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y, double angle )
{
pango_layout_get_pixel_size(m_layout, &w, &h);
const GdkColor* bg_col = NULL;
- if (m_backgroundMode == wxBRUSHSTYLE_SOLID)
+ if (m_backgroundMode == wxBRUSHSTYLE_SOLID)
bg_col = m_textBackgroundColour.GetColor();
// rotate the text
pango_context_set_matrix (m_context, &matrix);
pango_layout_context_changed (m_layout);
- // To be compatible with MSW, the rotation axis must be in the old
+ // To be compatible with MSW, the rotation axis must be in the old
// top-left corner.
- // Calculate the vertices of the rotated rectangle containing the text,
+ // Calculate the vertices of the rotated rectangle containing the text,
// relative to the old top-left vertex.
- // We could use the matrix for this, but it's simpler with trignonometry.
+ // We could use the matrix for this, but it's simpler with trignonometry.
double rad = DegToRad(angle);
- // the rectangle vertices are counted clockwise with the first one
+ // the rectangle vertices are counted clockwise with the first one
// being at (0, 0)
double x2 = w * cos(rad);
double y2 = -w * sin(rad); // y axis points to the bottom, hence minus
minX = (wxCoord)(dmin(dmin(0, x2), dmin(x3, x4)) - 0.5),
minY = (wxCoord)(dmin(dmin(0, y2), dmin(y3, y4)) - 0.5);
- gdk_draw_layout_with_colors(m_gdkwindow, m_textGC, x+minX, y+minY,
+ gdk_draw_layout_with_colors(m_gdkwindow, m_textGC, x+minX, y+minY,
m_layout, NULL, bg_col);
if (m_font.GetUnderlined())
wxCoord wxWindowDCImpl::GetCharHeight() const
{
PangoFontMetrics *metrics = pango_context_get_metrics (m_context, m_fontdesc, pango_context_get_language(m_context));
- wxCHECK_MSG( metrics, -1, _T("failed to get pango font metrics") );
+ wxCHECK_MSG( metrics, -1, wxT("failed to get pango font metrics") );
wxCoord h = PANGO_PIXELS (pango_font_metrics_get_descent (metrics) +
- pango_font_metrics_get_ascent (metrics));
+ pango_font_metrics_get_ascent (metrics));
pango_font_metrics_unref (metrics);
return h;
}
{
PangoContext *oldContext = m_context;
- m_context = m_window->GtkGetPangoDefaultContext();
+ m_context = m_window->GTKGetPangoDefaultContext();
// If we switch back/forth between different contexts
// we also have to create a new layout. I think so,
case wxPENSTYLE_SOLID:
default:
lineStyle = GDK_LINE_SOLID;
- req_dash = (wxGTKDash*)NULL;
+ req_dash = NULL;
req_nb_dash = 0;
break;
}
}
}
-void wxWindowDCImpl::SetLogicalFunction( int function )
+void wxWindowDCImpl::SetLogicalFunction( wxRasterOperationMode function )
{
wxCHECK_RET( IsOk(), wxT("invalid window dc") );
case wxSRC_INVERT: mode = GDK_COPY_INVERT; break;
case wxNOR: mode = GDK_NOR; break;
default:
- wxFAIL_MSG( wxT("unsupported logical function") );
- mode = GDK_COPY;
+ wxFAIL_MSG("unknown mode");
+ return;
}
m_logicalFunction = function;
rect.width = XLOG2DEVREL(width);
rect.height = YLOG2DEVREL(height);
- if (m_window && m_window->m_wxwindow &&
+ if (m_window && m_window->m_wxwindow &&
(m_window->GetLayoutDirection() == wxLayout_RightToLeft))
{
rect.x -= rect.width;
void wxWindowDCImpl::Destroy()
{
if (m_penGC) wxFreePoolGC( m_penGC );
- m_penGC = (GdkGC*) NULL;
+ m_penGC = NULL;
if (m_brushGC) wxFreePoolGC( m_brushGC );
- m_brushGC = (GdkGC*) NULL;
+ m_brushGC = NULL;
if (m_textGC) wxFreePoolGC( m_textGC );
- m_textGC = (GdkGC*) NULL;
+ m_textGC = NULL;
if (m_bgGC) wxFreePoolGC( m_bgGC );
- m_bgGC = (GdkGC*) NULL;
+ m_bgGC = NULL;
}
void wxWindowDCImpl::SetDeviceOrigin( wxCoord x, wxCoord y )
m_signX = (xLeftRight ? 1 : -1);
m_signY = (yBottomUp ? -1 : 1);
- if (m_window && m_window->m_wxwindow &&
+ if (m_window && m_window->m_wxwindow &&
(m_window->GetLayoutDirection() == wxLayout_RightToLeft))
m_signX = -m_signX;
wxClientDCImpl::wxClientDCImpl( wxDC *owner, wxWindow *win )
: wxWindowDCImpl( owner, win )
{
- wxCHECK_RET( win, _T("NULL window in wxClientDCImpl::wxClientDC") );
+ wxCHECK_RET( win, wxT("NULL window in wxClientDCImpl::wxClientDC") );
#ifdef __WXUNIVERSAL__
wxPoint ptOrigin = win->GetClientAreaOrigin();
SetDeviceOrigin(ptOrigin.x, ptOrigin.y);
wxSize size = win->GetClientSize();
DoSetClippingRegion(0, 0, size.x, size.y);
-#endif
+#endif
// __WXUNIVERSAL__
}
void wxClientDCImpl::DoGetSize(int *width, int *height) const
{
- wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") );
+ wxCHECK_RET( m_window, wxT("GetSize() doesn't work without window") );
m_window->GetClientSize( width, height );
}
gdk_gc_set_clip_region( m_textGC, region );
gdk_gc_set_clip_region( m_bgGC, region );
}
-#endif
+#endif
}
// ----------------------------------------------------------------------------
projects / wxWidgets.git / blobdiff