#include "wx/fontutil.h"
#include "wx/gtk/private.h"
+#include "wx/gtk/private/object.h"
#include <gdk/gdkx.h>
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;
+}
+
void wxWindowDCImpl::DoDrawBitmap( const wxBitmap &bitmap,
wxCoord x, wxCoord y,
bool useMask )
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 );
int ww = XLOG2DEVREL(w);
int hh = YLOG2DEVREL(h);
- // compare to current clipping region
- if (!m_currentClippingRegion.IsNull())
- {
- wxRegion tmp( xx,yy,ww,hh );
- tmp.Intersect( m_currentClippingRegion );
- if (tmp.IsEmpty())
- return;
- }
+ if (m_window && m_window->GetLayoutDirection() == wxLayout_RightToLeft)
+ xx -= ww;
+
+ if (IsOutsideOfClippingRegion( xx,yy,ww,hh ))
+ return;
// scale bitmap if required
wxBitmap use_bitmap = bitmap;
if ((w != ww) || (h != hh))
- use_bitmap = use_bitmap.Rescale( 0, 0, ww, hh, ww, hh );
+ use_bitmap = use_bitmap.Rescale( 0, 0, w, h, ww, hh );
- // apply mask if any
+ // get mask if any
GdkBitmap *mask = (GdkBitmap *) NULL;
if (useMask && use_bitmap.GetMask())
mask = use_bitmap.GetMask()->GetBitmap();
+ // for drawing a mono-bitmap we use the current text GC
GdkGC* use_gc = is_mono ? m_textGC : m_penGC;
- GdkBitmap *new_mask = (GdkBitmap*) NULL;
+ bool mask_owned = false;
if (mask != NULL)
{
if (!m_currentClippingRegion.IsNull())
{
- GdkColor col;
- new_mask = gdk_pixmap_new( wxGetRootWindow()->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 );
- mask = new_mask;
- g_object_unref (gc);
+ mask = GetClippedMask(mask, ww, hh, xx, yy, 0, 0);
+ mask_owned = true;
}
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. For
- // drawing a mono-bitmap (XBitmap) we use the current text GC
+ // Draw XPixmap or XBitmap, depending on what the wxBitmap contains.
if (is_mono)
{
- GdkPixmap *bitmap2 = gdk_pixmap_new( wxGetRootWindow()->window, ww, hh, -1 );
- 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, use_bitmap.GetPixmap(), 0, 0);
-
- gdk_draw_drawable(m_gdkwindow, use_gc, bitmap2, 0, 0, xx, yy, -1, -1);
-
- g_object_unref (bitmap2);
- g_object_unref (gc);
+ DoDrawMonoBitmap(use_bitmap, ww, hh, 0, 0, xx, yy, -1, -1);
}
else
{
// remove mask again if any
if (mask != NULL)
{
- gdk_gc_set_clip_mask(use_gc, NULL);
- gdk_gc_set_clip_origin(use_gc, 0, 0);
- if (!m_currentClippingRegion.IsNull())
- gdk_gc_set_clip_region(use_gc, m_currentClippingRegion.GetRegion());
- if (new_mask != NULL)
- g_object_unref(new_mask);
+ RemoveClipMask(use_gc);
+ if (mask_owned)
+ g_object_unref(mask);
}
}
wxCoord hh = YLOG2DEVREL(height);
// compare to current clipping region
- if (!m_currentClippingRegion.IsNull())
- {
- wxRegion tmp( xx,yy,ww,hh );
- tmp.Intersect( m_currentClippingRegion );
- if (tmp.IsEmpty())
- return true;
- }
+ if (IsOutsideOfClippingRegion( xx,yy,ww,hh ))
+ return true;
int old_logical_func = m_logicalFunction;
SetLogicalFunction( logical_func );
GdkGC* use_gc = is_mono ? m_textGC : m_penGC;
- GdkBitmap *new_mask = (GdkBitmap*) NULL;
+ bool mask_owned = false;
if (mask != NULL)
{
if (!m_currentClippingRegion.IsNull())
{
- GdkColor col;
- new_mask = gdk_pixmap_new( wxGetRootWindow()->window, bm_ww, bm_hh, 1 );
- GdkGC *gc = gdk_gc_new( new_mask );
- col.pixel = 0;
- gdk_gc_set_foreground( gc, &col );
- gdk_gc_set_ts_origin( gc, -xsrcMask, -ysrcMask);
- 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() );
- // 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 );
- mask = new_mask;
- g_object_unref (gc);
+ mask = GetClippedMask(mask, bm_ww, bm_hh, cx, cy,
+ xsrcMask, ysrcMask);
+ mask_owned = true;
}
gdk_gc_set_clip_mask(use_gc, mask);
- if (new_mask != NULL)
+ if (mask_owned)
gdk_gc_set_clip_origin(use_gc, cx, cy);
else
gdk_gc_set_clip_origin(use_gc, cx - xsrcMask, cy - ysrcMask);
}
- // Draw XPixmap or XBitmap, depending on what the wxBitmap contains. For
- // drawing a mono-bitmap (XBitmap) we use the current text GC
-
+ // Draw XPixmap or XBitmap, depending on what the wxBitmap contains.
if (is_mono)
{
- GdkPixmap *bitmap = gdk_pixmap_new( wxGetRootWindow()->window, bm_ww, bm_hh, -1 );
- GdkGC *gc = gdk_gc_new( bitmap );
- gdk_gc_set_foreground( gc, m_textForegroundColour.GetColor() );
- gdk_gc_set_background( gc, m_textBackgroundColour.GetColor() );
- gdk_wx_draw_bitmap(bitmap, gc, use_bitmap.GetPixmap(), 0, 0);
-
- gdk_draw_drawable(m_gdkwindow, use_gc, bitmap, xsrc, ysrc, cx, cy, cw, ch);
-
- g_object_unref (bitmap);
- g_object_unref (gc);
+ DoDrawMonoBitmap(use_bitmap, bm_ww, bm_hh,
+ xsrc, ysrc, cx, cy, cw, ch);
}
else
{
// remove mask again if any
if (mask != NULL)
{
- gdk_gc_set_clip_mask(use_gc, NULL);
- gdk_gc_set_clip_origin(use_gc, 0, 0);
- if (!m_currentClippingRegion.IsNull())
- gdk_gc_set_clip_region(use_gc, m_currentClippingRegion.GetRegion());
+ RemoveClipMask(use_gc);
+ if (mask_owned)
+ g_object_unref (mask);
}
-
- if (new_mask)
- g_object_unref (new_mask);
}
else // use_bitmap_method
{
if (selected.IsOk() && ((width != ww) || (height != hh)))
{
- // get clip coords
- wxRegion tmp( xx,yy,ww,hh );
- tmp.Intersect( m_currentClippingRegion );
- wxCoord cx,cy,cw,ch;
- tmp.GetBox(cx,cy,cw,ch);
-
- // rescale bitmap
- wxBitmap bitmap = selected.Rescale( cx-xx, cy-yy, cw, ch, ww, hh );
-
+ wxBitmap bitmap = selected.Rescale( xsrc, ysrc, width, height, ww, hh );
// draw scaled bitmap
- // was: gdk_draw_drawable( m_gdkwindow, m_penGC, bitmap.GetPixmap(), 0, 0, xx, yy, -1, -1 );
- gdk_draw_drawable( m_gdkwindow, m_penGC, bitmap.GetPixmap(), 0, 0, cx, cy, -1, -1 );
+ gdk_draw_drawable( m_gdkwindow, m_penGC, bitmap.GetPixmap(), 0, 0, xx, yy, -1, -1 );
}
else
{
wxCHECK_RET( m_layout, wxT("no Pango layout") );
wxCHECK_RET( m_fontdesc, wxT("no Pango font description") );
- gdk_pango_context_set_colormap( m_context, m_cmap );
+ gdk_pango_context_set_colormap( m_context, m_cmap ); // not needed in gtk+ >= 2.6
bool underlined = m_font.IsOk() && m_font.GetUnderlined();
const bool isScaled = fabs(m_scaleY - 1.0) > 0.00001;
if (isScaled)
{
- // If there is a user or actually any scale applied to
- // the device context, scale the font.
+ // If there is a user or actually any scale applied to
+ // the device context, scale the font.
- // scale font description
+ // scale font description
oldSize = pango_font_description_get_size(m_fontdesc);
pango_font_description_set_size(m_fontdesc, int(oldSize * m_scaleY));
- // actually apply scaled font
- pango_layout_set_font_description( m_layout, m_fontdesc );
+ // actually apply scaled font
+ pango_layout_set_font_description( m_layout, m_fontdesc );
}
int w, h;
pango_layout_get_pixel_size(m_layout, &w, &h);
- if (m_backgroundMode == wxBRUSHSTYLE_SOLID)
- {
- gdk_gc_set_foreground(m_textGC, m_textBackgroundColour.GetColor());
- gdk_draw_rectangle(m_gdkwindow, m_textGC, true, x, y, w, h);
- gdk_gc_set_foreground(m_textGC, m_textForegroundColour.GetColor());
- }
// Draw layout.
int x_rtl = x;
if (m_window && m_window->GetLayoutDirection() == wxLayout_RightToLeft)
x_rtl -= w;
- gdk_draw_layout(m_gdkwindow, m_textGC, x_rtl, y, m_layout);
+
+ const GdkColor* bg_col = NULL;
+ 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)
{
CalcBoundingBox(x, y);
}
-
-// TODO: There is an example of rotating text with GTK2 that would probably be
-// a better approach here:
-// http://www.daa.com.au/pipermail/pygtk/2003-April/005052.html
-
+// 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 )
{
-#if wxUSE_IMAGE
if (!m_gdkwindow || text.empty())
return;
wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+#if __WXGTK26__
+ if (!gtk_check_version(2,6,0))
+ {
+ x = XLOG2DEV(x);
+ y = YLOG2DEV(y);
+
+ pango_layout_set_text(m_layout, wxGTK_CONV(text), -1);
+
+ if (m_font.GetUnderlined())
+ {
+ PangoAttrList *attrs = pango_attr_list_new();
+ PangoAttribute *a = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
+ pango_attr_list_insert(attrs, a);
+ pango_layout_set_attributes(m_layout, attrs);
+ pango_attr_list_unref(attrs);
+ }
+
+ int oldSize = 0;
+ const bool isScaled = fabs(m_scaleY - 1.0) > 0.00001;
+ if (isScaled)
+ {
+ //TODO: when Pango >= 1.6 is required, use pango_matrix_scale()
+ // If there is a user or actually any scale applied to
+ // the device context, scale the font.
+
+ // scale font description
+ oldSize = pango_font_description_get_size(m_fontdesc);
+ pango_font_description_set_size(m_fontdesc, int(oldSize * m_scaleY));
+
+ // actually apply scaled font
+ pango_layout_set_font_description( m_layout, m_fontdesc );
+ }
+
+ int w, h;
+ pango_layout_get_pixel_size(m_layout, &w, &h);
+
+ const GdkColor* bg_col = NULL;
+ if (m_backgroundMode == wxBRUSHSTYLE_SOLID)
+ bg_col = m_textBackgroundColour.GetColor();
+
+ // rotate the text
+ PangoMatrix matrix = PANGO_MATRIX_INIT;
+ pango_matrix_rotate (&matrix, angle);
+ 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
+ // top-left corner.
+ // 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.
+ double rad = DegToRad(angle);
+ // 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
+ double x4 = h * sin(rad);
+ double y4 = h * cos(rad);
+ double x3 = x4 + x2;
+ double y3 = y4 + y2;
+ // Then we calculate max and min of the rotated rectangle.
+ wxCoord maxX = (wxCoord)(dmax(dmax(0, x2), dmax(x3, x4)) + 0.5),
+ maxY = (wxCoord)(dmax(dmax(0, y2), dmax(y3, y4)) + 0.5),
+ 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,
+ m_layout, NULL, bg_col);
+
+ if (m_font.GetUnderlined())
+ pango_layout_set_attributes(m_layout, NULL);
+
+ // clean up the transformation matrix
+ pango_context_set_matrix(m_context, NULL);
+
+ if (isScaled)
+ {
+ // reset unscaled size
+ pango_font_description_set_size( m_fontdesc, oldSize );
+
+ // actually apply unscaled font
+ pango_layout_set_font_description( m_layout, m_fontdesc );
+ }
+
+ CalcBoundingBox(x+minX, y+minY);
+ CalcBoundingBox(x+maxX, y+maxY);
+ }
+ else
+#endif //__WXGTK26__
+ {
+#if wxUSE_IMAGE
if ( wxIsNullDouble(angle) )
{
DoDrawText(text, x, y);
wxUnusedVar(y);
wxUnusedVar(angle);
#endif // wxUSE_IMAGE/!wxUSE_IMAGE
+ }
}
void wxWindowDCImpl::DoGetTextExtent(const wxString &string,
case wxCOPY: mode = GDK_COPY; break;
case wxNO_OP: mode = GDK_NOOP; break;
case wxSRC_INVERT: mode = GDK_COPY_INVERT; break;
-
- // unsupported by GTK
- case wxNOR: mode = GDK_COPY; break;
+ case wxNOR: mode = GDK_NOR; break;
default:
wxFAIL_MSG( wxT("unsupported logical function") );
mode = GDK_COPY;
rect.x -= rect.width;
}
- if (!m_currentClippingRegion.IsNull())
- m_currentClippingRegion.Intersect( rect );
- else
- m_currentClippingRegion.Union( rect );
-
-#if USE_PAINT_REGION
- if (!m_paintClippingRegion.IsNull())
- m_currentClippingRegion.Intersect( m_paintClippingRegion );
-#endif
-
- wxCoord xx, yy, ww, hh;
- m_currentClippingRegion.GetBox( xx, yy, ww, hh );
- wxGTKDCImpl::DoSetClippingRegion( xx, yy, ww, hh );
-
- GdkRegion* gdkRegion = m_currentClippingRegion.GetRegion();
- gdk_gc_set_clip_region(m_penGC, gdkRegion);
- gdk_gc_set_clip_region(m_brushGC, gdkRegion);
- gdk_gc_set_clip_region(m_textGC, gdkRegion);
- gdk_gc_set_clip_region(m_bgGC, gdkRegion);
+ DoSetDeviceClippingRegion(wxRegion(rect));
}
-void wxWindowDCImpl::DoSetClippingRegionAsRegion( const wxRegion ®ion )
+void wxWindowDCImpl::DoSetDeviceClippingRegion( const wxRegion ®ion )
{
wxCHECK_RET( IsOk(), wxT("invalid window dc") );
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