#include "wx/gtk/private.h"
#include "wx/gtk/private/object.h"
+#include "wx/private/textmeasure.h"
//-----------------------------------------------------------------------------
// local defines
CalcBoundingBox (x, y);
}
-void wxWindowDCImpl::DoDrawLines( int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset )
+void wxWindowDCImpl::DoDrawLines( int n, const wxPoint points[], wxCoord xoffset, wxCoord yoffset )
{
wxCHECK_RET( IsOk(), wxT("invalid window dc") );
xoffset != 0 || yoffset != 0 || XLOG2DEV(10) != 10 || YLOG2DEV(10) != 10;
// GdkPoint and wxPoint have the same memory layout, so we can cast one to the other
- GdkPoint* gpts = reinterpret_cast<GdkPoint*>(points);
+ const GdkPoint* gpts = reinterpret_cast<const GdkPoint*>(points);
+ GdkPoint* gpts_alloc = NULL;
if (doScale)
- gpts = new GdkPoint[n];
+ {
+ gpts_alloc = new GdkPoint[n];
+ gpts = gpts_alloc;
+ }
for (int i = 0; i < n; i++)
{
if (doScale)
{
- gpts[i].x = XLOG2DEV(points[i].x + xoffset);
- gpts[i].y = YLOG2DEV(points[i].y + yoffset);
+ gpts_alloc[i].x = XLOG2DEV(points[i].x + xoffset);
+ gpts_alloc[i].y = YLOG2DEV(points[i].y + yoffset);
}
CalcBoundingBox(points[i].x + xoffset, points[i].y + yoffset);
}
if (m_gdkwindow)
- gdk_draw_lines( m_gdkwindow, m_penGC, gpts, n);
+ gdk_draw_lines( m_gdkwindow, m_penGC, (GdkPoint*) gpts, n);
- if (doScale)
- delete[] gpts;
+ delete[] gpts_alloc;
}
-void wxWindowDCImpl::DoDrawPolygon( int n, wxPoint points[],
+void wxWindowDCImpl::DoDrawPolygon( int n, const wxPoint points[],
wxCoord xoffset, wxCoord yoffset,
wxPolygonFillMode WXUNUSED(fillStyle) )
{
xoffset != 0 || yoffset != 0 || XLOG2DEV(10) != 10 || YLOG2DEV(10) != 10;
// GdkPoint and wxPoint have the same memory layout, so we can cast one to the other
- GdkPoint* gdkpoints = reinterpret_cast<GdkPoint*>(points);
+ const GdkPoint* gdkpoints = reinterpret_cast<const GdkPoint*>(points);
+ GdkPoint* gdkpoints_alloc = NULL;
if (doScale)
- gdkpoints = new GdkPoint[n];
+ {
+ gdkpoints_alloc = new GdkPoint[n];
+ gdkpoints = gdkpoints_alloc;
+ }
int i;
for (i = 0 ; i < n ; i++)
{
if (doScale)
{
- gdkpoints[i].x = XLOG2DEV(points[i].x + xoffset);
- gdkpoints[i].y = YLOG2DEV(points[i].y + yoffset);
+ gdkpoints_alloc[i].x = XLOG2DEV(points[i].x + xoffset);
+ gdkpoints_alloc[i].y = YLOG2DEV(points[i].y + yoffset);
}
CalcBoundingBox(points[i].x + xoffset, points[i].y + yoffset);
}
bool originChanged;
DrawingSetup(gc, originChanged);
- gdk_draw_polygon(m_gdkwindow, gc, true, gdkpoints, n);
+ gdk_draw_polygon(m_gdkwindow, gc, true, (GdkPoint*) gdkpoints, n);
if (originChanged)
gdk_gc_set_ts_origin(gc, 0, 0);
gdkpoints[(i+1)%n].y);
}
*/
- gdk_draw_polygon( m_gdkwindow, m_penGC, FALSE, gdkpoints, n );
+ gdk_draw_polygon( m_gdkwindow, m_penGC, FALSE, (GdkPoint*) gdkpoints, n );
}
}
- if (doScale)
- delete[] gdkpoints;
+ delete[] gdkpoints_alloc;
}
void wxWindowDCImpl::DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
DoDrawBitmap( (const wxBitmap&)icon, x, y, true );
}
-// scale a pixbuf, return new pixbuf, unref old one
+// scale a pixbuf
static GdkPixbuf*
Scale(GdkPixbuf* pixbuf, int dst_w, int dst_h, double sx, double sy)
{
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
+// scale part of a pixmap using pixbuf scaling
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);
+ GdkPixbuf* pixbuf2 = Scale(pixbuf, dst_w, dst_h, sx, sy);
+ g_object_unref(pixbuf);
+ return pixbuf2;
}
-// scale part of a mask pixmap, return new mask, unref old one
+// scale part of a mask pixmap
static GdkPixmap*
ScaleMask(GdkPixmap* mask, int x, int y, int w, int h, int dst_w, int dst_h, double sx, double sy)
{
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)
{
// 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;
}
{
wxMask* m = bitmap.GetMask();
if (m)
- mask = m->GetBitmap();
+ mask = *m;
}
+
+ GdkPixmap* mask_new = NULL;
if (mask)
{
- g_object_ref(mask);
if (isScaled)
+ {
mask = ScaleMask(mask, 0, 0, w, h, ww, hh, m_scaleX, m_scaleY);
+ mask_new = mask;
+ }
if (overlap == wxPartRegion)
{
// 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);
+ if (mask_new)
+ g_object_unref(mask_new);
+ mask_new = mask;
}
gdk_gc_set_clip_mask(use_gc, mask);
gdk_gc_set_clip_origin(use_gc, xx, yy);
// determine whether to use pixmap or pixbuf
GdkPixmap* pixmap = NULL;
+ GdkPixmap* pixmap_new = NULL;
GdkPixbuf* pixbuf = NULL;
+ GdkPixbuf* pixbuf_new = 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);
+ if (gdk_drawable_get_depth(m_gdkwindow) != 1)
+ {
+ // convert mono pixmap to color using text fg/bg colors
+ pixmap = MonoToColor(pixmap, 0, 0, w, h);
+ pixmap_new = pixmap;
+ }
}
else if (hasAlpha || pixmap == NULL)
- {
- pixmap = NULL;
pixbuf = bitmap.GetPixbuf();
- g_object_ref(pixbuf);
- }
- else
- {
- g_object_ref(pixmap);
- }
if (isScaled)
{
pixbuf = Scale(pixbuf, ww, hh, m_scaleX, m_scaleY);
else
pixbuf = Scale(pixmap, 0, 0, w, h, ww, hh, m_scaleX, m_scaleY);
+
+ pixbuf_new = pixbuf;
}
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);
}
- if (pixmap)
- g_object_unref(pixmap);
+ if (pixbuf_new)
+ g_object_unref(pixbuf_new);
+ if (pixmap_new)
+ g_object_unref(pixmap_new);
if (mask)
{
- g_object_unref(mask);
gdk_gc_set_clip_region(use_gc, clipRegion);
+
+ // Notice that we can only release the mask now, we can't do it before
+ // the calls to gdk_draw_xxx() above as they crash with X error with
+ // GTK+ up to 2.20.1 (i.e. it works with 2.20 but is known to not work
+ // with 2.16.1 and below).
+ if (mask_new)
+ g_object_unref(mask_new);
}
}
{
wxMask* m = bitmap.GetMask();
if (m)
- mask = m->GetBitmap();
+ mask = *m;
}
}
else
if (mask)
{
- g_object_ref(mask);
int srcMask_x = src_x;
int srcMask_y = src_y;
if (xsrcMask != -1 || ysrcMask != -1)
srcMask_x = source->LogicalToDeviceX(xsrcMask);
srcMask_y = source->LogicalToDeviceY(ysrcMask);
}
+ GdkPixmap* mask_new = NULL;
if (isScaled)
{
mask = ScaleMask(mask, srcMask_x, srcMask_y,
src_w, src_h, dst_w, dst_h, scale_x, scale_y);
+ mask_new = mask;
srcMask_x = 0;
srcMask_y = 0;
}
// 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);
+ if (mask_new)
+ g_object_unref(mask_new);
+ mask_new = mask;
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);
+ if (mask_new)
+ g_object_unref(mask_new);
}
GdkPixmap* pixmap = NULL;
- if (gdk_drawable_get_depth(srcDrawable) == 1)
+ if (gdk_drawable_get_depth(srcDrawable) == 1 &&
+ (gdk_drawable_get_depth(m_gdkwindow) != 1 || isScaled))
{
// Convert mono pixmap to color using text fg/bg colors.
// Scaling/drawing is simpler if this is done first.
if (pixmap)
g_object_unref(pixmap);
if (mask)
- {
- g_object_unref(mask);
gdk_gc_set_clip_region(use_gc, clipRegion);
- }
+
return true;
}
wxCoord *descent, wxCoord *externalLeading,
const wxFont *theFont) const
{
- if ( width )
- *width = 0;
- if ( height )
- *height = 0;
- if ( descent )
- *descent = 0;
- if ( externalLeading )
- *externalLeading = 0;
-
- if (string.empty())
- return;
-
- // ensure that theFont is always non-NULL
+ // ensure we work with a valid font
+ const wxFont *fontToUse;
if ( !theFont || !theFont->IsOk() )
- theFont = &m_font;
-
- // and use it if it's valid
- if ( theFont->IsOk() )
- {
- 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?
- return;
- }
-
- pango_layout_set_text(m_layout, dataUTF8, -1);
+ fontToUse = &m_font;
+ else
+ fontToUse = theFont;
- int h;
- pango_layout_get_pixel_size(m_layout, width, &h);
- if (descent)
- {
- PangoLayoutIter *iter = pango_layout_get_iter(m_layout);
- int baseline = pango_layout_iter_get_baseline(iter);
- pango_layout_iter_free(iter);
- *descent = h - PANGO_PIXELS(baseline);
- }
- if (height)
- *height = h;
+ wxCHECK_RET( fontToUse->IsOk(), wxT("invalid font") );
- // Reset old font description
- if (theFont->IsOk())
- pango_layout_set_font_description( m_layout, m_fontdesc );
+ wxTextMeasure txm(GetOwner(), fontToUse);
+ txm.GetTextExtent(string, width, height, descent, externalLeading);
}
bool wxWindowDCImpl::DoGetPartialTextExtents(const wxString& text,
wxArrayInt& widths) const
{
- const size_t len = text.length();
- widths.Empty();
- widths.Add(0, len);
-
- if (text.empty())
- return true;
-
- // Set layout's text
- const wxCharBuffer dataUTF8 = wxGTK_CONV_FONT(text, m_font);
- if ( !dataUTF8 )
- {
- // hardly ideal, but what else can we do if conversion failed?
- wxLogLastError(wxT("DoGetPartialTextExtents"));
- return false;
- }
+ wxCHECK_MSG( m_font.IsOk(), false, wxT("Invalid font") );
- pango_layout_set_text(m_layout, dataUTF8, -1);
-
- // Calculate the position of each character based on the widths of
- // the previous characters
-
- // Code borrowed from Scintilla's PlatGTK
- PangoLayoutIter *iter = pango_layout_get_iter(m_layout);
- PangoRectangle pos;
- pango_layout_iter_get_cluster_extents(iter, NULL, &pos);
- size_t i = 0;
- while (pango_layout_iter_next_cluster(iter))
- {
- pango_layout_iter_get_cluster_extents(iter, NULL, &pos);
- int position = PANGO_PIXELS(pos.x);
- widths[i++] = position;
- }
- while (i < len)
- widths[i++] = PANGO_PIXELS(pos.x + pos.width);
- pango_layout_iter_free(iter);
-
- return true;
+ wxTextMeasure txm(GetOwner(), &m_font);
+ return txm.GetPartialTextExtents(text, widths, m_scaleX);
}
if ((m_brush.GetStyle() == wxBRUSHSTYLE_STIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
{
gdk_gc_set_fill( m_textGC, GDK_OPAQUE_STIPPLED);
- gdk_gc_set_stipple( m_textGC, m_brush.GetStipple()->GetMask()->GetBitmap() );
+ gdk_gc_set_stipple( m_textGC, *m_brush.GetStipple()->GetMask() );
}
if (m_brush.IsHatch())
{
wxCHECK_RET( m_window, wxT("GetSize() doesn't work without window") );
- m_window->GetClientSize( width, height );
+ m_window->GetClientSize(width, height);
}
//-----------------------------------------------------------------------------
projects / wxWidgets.git / blobdiff