/////////////////////////////////////////////////////////////////////////////
-// Name: gtk/dcclient.cpp
+// Name: src/gtk/dcclient.cpp
// Purpose:
// Author: Robert Roebling
// RCS-ID: $Id$
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "dcclient.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#endif
#include "wx/dcclient.h"
-#include "wx/dcmemory.h"
+
+#ifndef WX_PRECOMP
+ #include "wx/log.h"
+ #include "wx/dcmemory.h"
+#endif
+
#include "wx/image.h"
#include "wx/module.h"
-#include "wx/log.h"
#include "wx/fontutil.h"
#include "wx/gtk/win_gtk.h"
+#include "wx/gtk/private.h"
#include "wx/math.h" // for floating-point functions
gint width,
gint height)
{
- g_return_if_fail (drawable != NULL);
- g_return_if_fail (src != NULL);
- g_return_if_fail (gc != NULL);
+ 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") );
-#ifdef __WXGTK20__
gint src_width, src_height;
gdk_drawable_get_size(src, &src_width, &src_height);
if (width == -1) width = src_width;
width, height,
0, 0,
1 );
-#else
- GdkWindowPrivate *drawable_private;
- GdkWindowPrivate *src_private;
- GdkGCPrivate *gc_private;
-
- drawable_private = (GdkWindowPrivate*) drawable;
- src_private = (GdkWindowPrivate*) src;
- if (drawable_private->destroyed || src_private->destroyed)
- return;
-
- gint src_width = src_private->width;
- gint src_height = src_private->height;
-
- gc_private = (GdkGCPrivate*) gc;
-
- if (width == -1) width = src_width;
- if (height == -1) height = src_height;
-
- XCopyPlane( drawable_private->xdisplay,
- src_private->xwindow,
- drawable_private->xwindow,
- gc_private->xgc,
- xsrc, ysrc,
- width, height,
- xdest, ydest,
- 1 );
-#endif
}
//-----------------------------------------------------------------------------
for (int i = 0; i < wxGCPoolSize; i++)
{
if (wxGCPool[i].m_gc)
- gdk_gc_unref( wxGCPool[i].m_gc );
+ g_object_unref (wxGCPool[i].m_gc);
}
free(wxGCPool);
m_isMemDC = false;
m_isScreenDC = false;
m_owner = (wxWindow *)NULL;
-#ifdef __WXGTK20__
m_context = (PangoContext *)NULL;
m_layout = (PangoLayout *)NULL;
m_fontdesc = (PangoFontDescription *)NULL;
-#endif
}
wxWindowDC::wxWindowDC( wxWindow *window )
wxASSERT_MSG( widget, wxT("DC needs a widget") );
-#ifdef __WXGTK20__
m_context = window->GtkGetPangoDefaultContext();
m_layout = pango_layout_new( m_context );
m_fontdesc = pango_font_description_copy( widget->style->font_desc );
-#endif
GtkPizza *pizza = GTK_PIZZA( widget );
m_window = pizza->bin_window;
{
Destroy();
-#ifdef __WXGTK20__
if (m_layout)
- g_object_unref( G_OBJECT( m_layout ) );
+ g_object_unref (m_layout);
if (m_fontdesc)
pango_font_description_free( m_fontdesc );
-#endif
}
void wxWindowDC::SetUpDC()
radius1 = 0.0;
radius2 = 360.0;
}
- else
- if (radius == 0.0)
+ else if ( wxIsNullDouble(radius) )
{
- radius1 = radius2 = 0.0;
+ radius1 =
+ radius2 = 0.0;
}
else
{
if (m_pen.GetStyle() == wxTRANSPARENT) return;
if (n <= 0) return;
- GdkPoint *gpts = new GdkPoint[n];
+ //Check, if scaling is necessary
+ bool doScale(true);
+ long val(10);
+ if (!xoffset)
+ if (!yoffset)
+ if (XLOG2DEV(val)==val)
+ if (YLOG2DEV(val)==val)
+ doScale = false;
+
+ GdkPoint *gpts = NULL;
+
+ if (doScale){
+ gpts = new GdkPoint[n];
if (! gpts)
{
wxFAIL_MSG( wxT("Cannot allocate PolyLine") );
gpts[i].x = x1;
gpts[i].y = y1;
}
+ }
+ else {
+ for (int i = 0; i < n; i++) {
+ CalcBoundingBox( points[i].x, points[i].y );
+ }
+
+ //GdkPoint and wxPoint have the same memory allignment, so we can cast one into another
+ gpts = reinterpret_cast<GdkPoint*>(points);
+ }
if (m_window)
gdk_draw_lines( m_window, m_penGC, gpts, n);
+ if (doScale)
delete[] gpts;
}
if (n <= 0) return;
- GdkPoint *gdkpoints = new GdkPoint[n+1];
+ //Check, if scaling is necessary
+ bool doScale(true);
+ long val(10);
+ if (!xoffset)
+ if (!yoffset)
+ if (XLOG2DEV(val)==val)
+ if (YLOG2DEV(val)==val){
+ doScale = false;
+ }
+
+ GdkPoint *gdkpoints = NULL;
+
+ if (doScale){
+ gdkpoints = new GdkPoint[n+1]; //FIXME: Why the "+1"
+
int i;
for (i = 0 ; i < n ; i++)
{
CalcBoundingBox( points[i].x + xoffset, points[i].y + yoffset );
}
+ }
+ else {
+ int i(0);
+ for (; i < n ; ++i) {
+ CalcBoundingBox( points[i].x, points[i].y );
+ }
+ //GdkPoint and wxPoint have the same memory allignment, so we can cast one into another
+ gdkpoints = reinterpret_cast<GdkPoint*> (points);
+ }
if (m_window)
{
+ //I think wxSOLID is the most often used style (it is for me),
+ //so I put it in front of the if ... ifelse's
+ if (m_brush.GetStyle() == wxSOLID)
+ {
+ gdk_draw_polygon( m_window, m_brushGC, TRUE, gdkpoints, n );
+ }else
if (m_brush.GetStyle() != wxTRANSPARENT)
{
if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
}
}
+ if (doScale)
delete[] gdkpoints;
}
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 );
+ g_object_unref (gc);
}
if (is_mono)
// drawing a mono-bitmap (XBitmap) we use the current text GC
if (is_mono)
{
-#ifdef __WXGTK20__
- GdkPixmap *bitmap = gdk_pixmap_new( wxGetRootWindow()->window, ww, hh, -1 );
- GdkGC *gc = gdk_gc_new( bitmap );
+ 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( bitmap, gc, use_bitmap.GetBitmap(), 0, 0, 0, 0, -1, -1 );
+ gdk_wx_draw_bitmap( bitmap2, gc, use_bitmap.GetBitmap(), 0, 0, 0, 0, -1, -1 );
- gdk_draw_drawable( m_window, m_textGC, bitmap, 0, 0, xx, yy, -1, -1 );
+ gdk_draw_drawable( m_window, m_textGC, bitmap2, 0, 0, xx, yy, -1, -1 );
- gdk_bitmap_unref( bitmap );
- gdk_gc_unref( gc );
-#else
- gdk_wx_draw_bitmap( m_window, m_textGC, use_bitmap.GetBitmap(), 0, 0, xx, yy, -1, -1 );
-#endif
+ g_object_unref (bitmap2);
+ g_object_unref (gc);
}
else
{
else
#endif
{
- gdk_draw_pixmap(m_window, m_penGC,
- use_bitmap.GetPixmap(),
- 0, 0, xx, yy, -1, -1);
+ gdk_draw_drawable(m_window, m_penGC,
+ use_bitmap.GetPixmap(),
+ 0, 0, xx, yy, -1, -1);
}
}
}
if (new_mask)
- gdk_bitmap_unref( new_mask );
+ g_object_unref (new_mask);
}
bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
bool use_bitmap_method = false;
bool is_mono = false;
- // TODO: use the mask origin when drawing transparently
if (xsrcMask == -1 && ysrcMask == -1)
{
xsrcMask = xsrc;
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 );
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 );
+ g_object_unref (gc);
}
if (is_mono)
{
if (new_mask)
+ {
gdk_gc_set_clip_mask( m_textGC, new_mask );
+ gdk_gc_set_clip_origin( m_textGC, cx, cy );
+ }
else
+ {
gdk_gc_set_clip_mask( m_textGC, mask );
- // was: gdk_gc_set_clip_origin( m_textGC, xx, yy );
- gdk_gc_set_clip_origin( m_textGC, cx, cy );
+ gdk_gc_set_clip_origin( m_textGC, cx-xsrcMask, cy-ysrcMask );
+ }
}
else
{
if (new_mask)
+ {
gdk_gc_set_clip_mask( m_penGC, new_mask );
+ gdk_gc_set_clip_origin( m_penGC, cx, cy );
+ }
else
+ {
gdk_gc_set_clip_mask( m_penGC, mask );
- // was: gdk_gc_set_clip_origin( m_penGC, xx, yy );
- gdk_gc_set_clip_origin( m_penGC, cx, cy );
+ gdk_gc_set_clip_origin( m_penGC, cx-xsrcMask, cy-ysrcMask );
+ }
}
}
if (is_mono)
{
-#ifdef __WXGTK20__
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_draw_drawable( m_window, m_textGC, bitmap, xsrc, ysrc, cx, cy, cw, ch );
- gdk_bitmap_unref( bitmap );
- gdk_gc_unref( gc );
-#else
- // 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 );
-#endif
+ g_object_unref (bitmap);
+ g_object_unref (gc);
}
else
{
- // 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 );
+ // was: gdk_draw_drawable( m_window, m_penGC, use_bitmap.GetPixmap(), xsrc, ysrc, xx, yy, ww, hh );
+ gdk_draw_drawable( m_window, m_penGC, use_bitmap.GetPixmap(), xsrc, ysrc, cx, cy, cw, ch );
}
// remove mask again if any
}
if (new_mask)
- gdk_bitmap_unref( new_mask );
+ g_object_unref (new_mask);
}
else // use_bitmap_method
{
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 );
+ // was: gdk_draw_drawable( m_window, m_penGC, bitmap.GetPixmap(), 0, 0, xx, yy, -1, -1 );
+ gdk_draw_drawable( m_window, m_penGC, bitmap.GetPixmap(), 0, 0, cx, cy, -1, -1 );
}
else
{
// copy including child window contents
gdk_gc_set_subwindow( m_penGC, GDK_INCLUDE_INFERIORS );
- gdk_window_copy_area( m_window, m_penGC, xx, yy,
- srcDC->GetWindow(),
- xsrc, ysrc, width, height );
+ gdk_draw_drawable( m_window, m_penGC,
+ srcDC->GetWindow(),
+ xsrc, ysrc, xx, yy,
+ width, height );
gdk_gc_set_subwindow( m_penGC, GDK_CLIP_BY_CHILDREN );
}
}
if (text.empty()) return;
-#ifndef __WXGTK20__
- GdkFont *font = m_font.GetInternalFont( m_scaleY );
-
- wxCHECK_RET( font, wxT("invalid font") );
-#endif
-
x = XLOG2DEV(x);
y = YLOG2DEV(y);
-#ifdef __WXGTK20__
wxCHECK_RET( m_context, wxT("no Pango context") );
wxCHECK_RET( m_layout, wxT("no Pango layout") );
wxCHECK_RET( m_fontdesc, wxT("no Pango font description") );
bool underlined = m_font.Ok() && m_font.GetUnderlined();
-#if wxUSE_UNICODE
- const wxCharBuffer data = wxConvUTF8.cWC2MB( text );
-#else
- const wxWCharBuffer wdata = wxConvLocal.cMB2WC( text );
- if ( !wdata )
+ const wxCharBuffer data = wxGTK_CONV( text );
+ if ( !data )
return;
- const wxCharBuffer data = wxConvUTF8.cWC2MB( wdata );
-#endif
- size_t datalen = strlen((const char*)data);
- pango_layout_set_text( m_layout, (const char*) data, datalen);
+ const size_t datalen = strlen(data);
+ pango_layout_set_text( m_layout, data, datalen);
if (underlined)
{
wxCoord width = w;
wxCoord height = h;
-#else // GTK+ 1.x
- wxCoord width = gdk_string_width( font, text.mbc_str() );
- wxCoord height = font->ascent + font->descent;
-
- if ( m_backgroundMode == wxSOLID )
- {
- 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, x, y + font->ascent, text.mbc_str() );
-
- /* CMB 17/7/98: simple underline: ignores scaling and underlying
- X font's XA_UNDERLINE_POSITION and XA_UNDERLINE_THICKNESS
- properties (see wxXt implementation) */
- if (m_font.GetUnderlined())
- {
- wxCoord ul_y = y + font->ascent;
- if (font->descent > 0) ul_y++;
- gdk_draw_line( m_window, m_textGC, x, ul_y, x + width, ul_y);
- }
-#endif // GTK+ 2.0/1.x
-
width = wxCoord(width / m_scaleX);
height = wxCoord(height / m_scaleY);
CalcBoundingBox (x + width, y + height);
void wxWindowDC::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y, double angle )
{
- if (angle == 0.0)
- {
- DrawText(text, x, y);
+ if (!m_window || text.empty())
return;
- }
wxCHECK_RET( Ok(), wxT("invalid window dc") );
- if (!m_window) return;
+ if ( wxIsNullDouble(angle) )
+ {
+ DrawText(text, x, y);
+ return;
+ }
wxCoord w;
wxCoord h;
-#ifdef __WXGTK20__
- // implement later without GdkFont for GTK 2.0
+ // TODO: implement later without GdkFont for GTK 2.0
GetTextExtent(text, &w, &h, NULL,NULL, &m_font);
-#else
- GdkFont *font = m_font.GetInternalFont( m_scaleY );
-
- wxCHECK_RET( font, wxT("invalid font") );
-
- // the size of the text
- w = gdk_string_width( font, text.mbc_str() );
- h = font->ascent + font->descent;
-#endif
// draw the string normally
wxBitmap src(w, h);
wxMemoryDC dc;
*externalLeading = 0;
if (string.empty())
- {
return;
- }
-#ifdef __WXGTK20__
- // Set new font description
- if (theFont)
- pango_layout_set_font_description( m_layout, theFont->GetNativeFontInfo()->description );
+ // ensure that theFont is always non-NULL
+ if ( !theFont || !theFont->Ok() )
+ theFont = wx_const_cast(wxFont *, &m_font);
- // Set layout's text
-#if wxUSE_UNICODE
- const wxCharBuffer data = wxConvUTF8.cWC2MB( string );
- const char *dataUTF8 = (const char *)data;
-#else
- const wxWCharBuffer wdata = wxConvLocal.cMB2WC( string );
- if ( !wdata )
- return;
-
- const wxCharBuffer data = wxConvUTF8.cWC2MB( wdata );
- const char *dataUTF8 = (const char *)data;
-#endif
+ // and use it if it's valid
+ if ( theFont->Ok() )
+ {
+ pango_layout_set_font_description
+ (
+ m_layout,
+ theFont->GetNativeFontInfo()->description
+ );
+ }
+ // Set layout's text
+ const wxCharBuffer dataUTF8 = wxGTK_CONV_FONT(string, *theFont);
if ( !dataUTF8 )
{
// hardly ideal, but what else can we do if conversion failed?
// Reset old font description
if (theFont)
pango_layout_set_font_description( m_layout, m_fontdesc );
-#else // GTK+ 1.x
- wxFont fontToUse = m_font;
- if (theFont)
- fontToUse = *theFont;
-
- GdkFont *font = fontToUse.GetInternalFont( m_scaleY );
- if ( !font )
- return;
-
- if (width)
- *width = wxCoord(gdk_string_width( font, string.mbc_str() ) / m_scaleX);
- if (height)
- *height = wxCoord((font->ascent + font->descent) / m_scaleY);
- if (descent)
- *descent = wxCoord(font->descent / m_scaleY);
-#endif // GTK+ 2/1
}
wxCoord wxWindowDC::GetCharWidth() const
{
-#ifdef __WXGTK20__
pango_layout_set_text( m_layout, "H", 1 );
int w;
pango_layout_get_pixel_size( m_layout, &w, NULL );
return w;
-#else
- GdkFont *font = m_font.GetInternalFont( m_scaleY );
- wxCHECK_MSG( font, -1, wxT("invalid font") );
-
- return wxCoord(gdk_string_width( font, "H" ) / m_scaleX);
-#endif
}
wxCoord wxWindowDC::GetCharHeight() const
{
-#ifdef __WXGTK20__
pango_layout_set_text( m_layout, "H", 1 );
int h;
pango_layout_get_pixel_size( m_layout, NULL, &h );
return h;
-#else
- GdkFont *font = m_font.GetInternalFont( m_scaleY );
- wxCHECK_MSG( font, -1, wxT("invalid font") );
-
- return wxCoord((font->ascent + font->descent) / m_scaleY);
-#endif
}
void wxWindowDC::Clear()
{
m_font = font;
-#ifdef __WXGTK20__
if (m_font.Ok())
{
if (m_fontdesc)
{
PangoContext *oldContext = m_context;
- // We might want to use the X11 context for faster
- // rendering on screen
- if (m_font.GetNoAntiAliasing())
- m_context = m_owner->GtkGetPangoX11Context();
- else
- m_context = m_owner->GtkGetPangoDefaultContext();
+ m_context = m_owner->GtkGetPangoDefaultContext();
// If we switch back/forth between different contexts
// we also have to create a new layout. I think so,
if (oldContext != m_context)
{
if (m_layout)
- g_object_unref( G_OBJECT( m_layout ) );
+ g_object_unref (m_layout);
m_layout = pango_layout_new( m_context );
}
pango_layout_set_font_description( m_layout, m_fontdesc );
}
-#endif
}
void wxWindowDC::SetPen( const wxPen &pen )
void wxWindowDC::ComputeScaleAndOrigin()
{
- /* CMB: copy scale to see if it changes */
- double origScaleX = m_scaleX;
- double origScaleY = m_scaleY;
+ const wxRealPoint origScale(m_scaleX, m_scaleY);
wxDC::ComputeScaleAndOrigin();
- /* CMB: if scale has changed call SetPen to recalulate the line width */
- if ((m_scaleX != origScaleX || m_scaleY != origScaleY) &&
- (m_pen.Ok()))
+ // if scale has changed call SetPen to recalulate the line width
+ if ( wxRealPoint(m_scaleX, m_scaleY) != origScale && m_pen.Ok() )
{
- /* this is a bit artificial, but we need to force wxDC to think
- the pen has changed */
- wxPen pen = m_pen;
- m_pen = wxNullPen;
- SetPen( pen );
- }
+ // this is a bit artificial, but we need to force wxDC to think the pen
+ // has changed
+ wxPen pen = m_pen;
+ m_pen = wxNullPen;
+ SetPen( pen );
+ }
}
// Resolution in pixels per logical inch
int wxWindowDC::GetDepth() const
{
-#ifdef __WXGTK20__
return gdk_drawable_get_depth(m_window);
-#else
- wxFAIL_MSG(wxT("not implemented"));
-
- return -1;
-#endif
}
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