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1671 lines
50 KiB
C
1671 lines
50 KiB
C
/* GDK - The GIMP Drawing Kit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team.
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*/
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/*
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* GTK+ DirectFB backend
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* Copyright (C) 2001-2002 convergence integrated media GmbH
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* Copyright (C) 2002-2004 convergence GmbH
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* Written by Denis Oliver Kropp <dok@convergence.de> and
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* Sven Neumann <sven@convergence.de>
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*/
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#include "config.h"
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#include "gdk.h"
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#include <assert.h>
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#include <string.h>
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#include "gdkdirectfb.h"
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#include "gdkprivate-directfb.h"
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#include "../../gdk-pixbuf/gdk-pixbuf-private.h"
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#include "gdkinternals.h"
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#include "gdkregion-generic.h"
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#include "gdkalias.h"
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#include "cairo-directfb.h"
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#include <direct/debug.h>
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#include <direct/messages.h>
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/*
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* There can be multiple domains in one file and one domain (same same) in multiple files.
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*/
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D_DEBUG_DOMAIN( GDKDFB_Drawable, "GDKDFB/Drawable", "GDK DirectFB Drawable" );
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D_DEBUG_DOMAIN( GDKDFB_DrawClip, "GDKDFB/DrawClip", "GDK DirectFB Drawable Clip Region" );
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/* From DirectFB's <gfx/generix/duffs_device.h> */
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#define DUFF_1() \
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case 1:\
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SET_PIXEL( D[0], S[0] );
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#define DUFF_2() \
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case 3:\
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SET_PIXEL( D[2], S[2] );\
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case 2:\
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SET_PIXEL( D[1], S[1] );\
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DUFF_1()
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#define DUFF_3() \
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case 7:\
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SET_PIXEL( D[6], S[6] );\
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case 6:\
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SET_PIXEL( D[5], S[5] );\
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case 5:\
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SET_PIXEL( D[4], S[4] );\
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case 4:\
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SET_PIXEL( D[3], S[3] );\
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DUFF_2()
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#define DUFF_4() \
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case 15:\
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SET_PIXEL( D[14], S[14] );\
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case 14:\
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SET_PIXEL( D[13], S[13] );\
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case 13:\
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SET_PIXEL( D[12], S[12] );\
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case 12:\
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SET_PIXEL( D[11], S[11] );\
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case 11:\
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SET_PIXEL( D[10], S[10] );\
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case 10:\
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SET_PIXEL( D[9], S[9] );\
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case 9:\
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SET_PIXEL( D[8], S[8] );\
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case 8:\
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SET_PIXEL( D[7], S[7] );\
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DUFF_3()
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#define SET_PIXEL_DUFFS_DEVICE_N( D, S, w, n ) \
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do {\
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while (w) {\
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register int l = w & ((1 << n) - 1);\
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switch (l) {\
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default:\
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l = (1 << n);\
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SET_PIXEL( D[(1 << n)-1], S[(1 << n)-1] );\
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DUFF_##n()\
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}\
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D += l;\
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S += l;\
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w -= l;\
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}\
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} while(0)
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static GdkScreen * gdk_directfb_get_screen (GdkDrawable *drawable);
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static void gdk_drawable_impl_directfb_class_init (GdkDrawableImplDirectFBClass *klass);
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static void gdk_directfb_draw_lines (GdkDrawable *drawable,
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GdkGC *gc,
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GdkPoint *points,
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gint npoints);
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static cairo_surface_t *gdk_directfb_ref_cairo_surface (GdkDrawable *drawable);
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static gboolean accelerated_alpha_blending = FALSE;
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static gpointer parent_class = NULL;
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static const cairo_user_data_key_t gdk_directfb_cairo_key;
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static void (*real_draw_pixbuf) (GdkDrawable *drawable,
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GdkGC *gc,
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GdkPixbuf *pixbuf,
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gint src_x,
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gint src_y,
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gint dest_x,
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gint dest_y,
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gint width,
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gint height,
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GdkRgbDither dither,
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gint x_dither,
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gint y_dither);
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/**********************************************************
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* DirectFB specific implementations of generic functions *
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**********************************************************/
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static void
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gdk_directfb_set_colormap (GdkDrawable *drawable,
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GdkColormap *colormap)
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{
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GdkDrawableImplDirectFB *impl;
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impl = GDK_DRAWABLE_IMPL_DIRECTFB (drawable);
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D_DEBUG_AT( GDKDFB_Drawable, "%s( %p, %p ) <- old %p\n", G_STRFUNC, drawable, colormap, impl->colormap );
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if (impl->colormap == colormap)
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return;
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if (impl->colormap)
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g_object_unref (impl->colormap);
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impl->colormap = colormap;
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if (colormap)
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g_object_ref (colormap);
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}
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static GdkColormap*
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gdk_directfb_get_colormap (GdkDrawable *drawable)
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{
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GdkColormap *retval;
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retval = GDK_DRAWABLE_IMPL_DIRECTFB (drawable)->colormap;
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if (!retval) {
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retval = gdk_colormap_get_system ();
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gdk_directfb_set_colormap(drawable,retval);
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}
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return retval;
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}
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static gint
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gdk_directfb_get_depth (GdkDrawable *drawable)
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{
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GdkDrawableImplDirectFB *impl = GDK_DRAWABLE_IMPL_DIRECTFB (drawable);
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return DFB_BITS_PER_PIXEL (impl->format);
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}
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static void
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gdk_directfb_get_size (GdkDrawable *drawable,
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gint *width,
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gint *height)
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{
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GdkDrawableImplDirectFB *impl;
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impl = GDK_DRAWABLE_IMPL_DIRECTFB (drawable);
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if (width)
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*width = impl->width;
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if (height)
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*height = impl->height;
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}
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static GdkVisual*
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gdk_directfb_get_visual (GdkDrawable *drawable)
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{
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return gdk_visual_get_system ();
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}
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/* Calculates the real clipping region for a drawable, taking into account
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* other windows and the gc clip region.
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*/
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void
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gdk_directfb_clip_region (GdkDrawable *drawable,
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GdkGC *gc,
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GdkRectangle *draw_rect,
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GdkRegion *ret_clip)
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{
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GdkDrawableImplDirectFB *private;
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GdkRectangle rect;
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g_return_if_fail (GDK_IS_DRAWABLE (drawable));
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g_return_if_fail (GDK_IS_DRAWABLE_IMPL_DIRECTFB (drawable));
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g_return_if_fail (ret_clip != NULL);
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D_DEBUG_AT( GDKDFB_DrawClip, "%s( %p, %p, %p )\n", G_STRFUNC, drawable, gc, draw_rect );
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private = GDK_DRAWABLE_IMPL_DIRECTFB (drawable);
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if (!draw_rect)
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{
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rect.x = 0;
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rect.y = 0;
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rect.width = private->width;
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rect.height = private->height;
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draw_rect = ▭
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}
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D_DEBUG_AT( GDKDFB_DrawClip, " -> draw rectangle == %4d,%4d - %4dx%4d =\n",
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draw_rect->x, draw_rect->y, draw_rect->width, draw_rect->height );
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temp_region_init_rectangle( ret_clip, draw_rect );
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if (private->buffered) {
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D_DEBUG_AT( GDKDFB_DrawClip, " -> buffered region > %4d,%4d - %4dx%4d < (%ld boxes)\n",
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GDKDFB_RECTANGLE_VALS_FROM_BOX( &private->paint_region.extents ),
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private->paint_region.numRects );
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gdk_region_intersect (ret_clip, &private->paint_region);
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}
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if (gc)
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{
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GdkGCDirectFB *gc_private = GDK_GC_DIRECTFB (gc);
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GdkRegion *region = &gc_private->clip_region;
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if (region->numRects)
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{
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D_DEBUG_AT( GDKDFB_DrawClip, " -> clipping region > %4d,%4d - %4dx%4d < (%ld boxes)\n",
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GDKDFB_RECTANGLE_VALS_FROM_BOX( ®ion->extents ), region->numRects );
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if (gc->clip_x_origin || gc->clip_y_origin)
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{
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gdk_region_offset (ret_clip, -gc->clip_x_origin, -gc->clip_y_origin);
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gdk_region_intersect (ret_clip, region);
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gdk_region_offset (ret_clip, gc->clip_x_origin, gc->clip_y_origin);
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}
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else
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{
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gdk_region_intersect (ret_clip, region);
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}
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}
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if (gc_private->values_mask & GDK_GC_SUBWINDOW &&
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gc_private->values.subwindow_mode == GDK_INCLUDE_INFERIORS)
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return;
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}
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if (private->buffered) {
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D_DEBUG_AT( GDKDFB_DrawClip, " => returning clip >> %4d,%4d - %4dx%4d << (%ld boxes)\n",
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GDKDFB_RECTANGLE_VALS_FROM_BOX( &ret_clip->extents ), ret_clip->numRects );
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return;
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}
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if (GDK_IS_WINDOW (private->wrapper) &&
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GDK_WINDOW_IS_MAPPED (private->wrapper) &&
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!GDK_WINDOW_OBJECT (private->wrapper)->input_only)
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{
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GList *cur;
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GdkRegion temp;
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temp.numRects = 1;
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temp.rects = &temp.extents;
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temp.size = 1;
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for (cur = GDK_WINDOW_OBJECT (private->wrapper)->children;
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cur;
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cur = cur->next)
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{
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GdkWindowObject *cur_private;
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GdkDrawableImplDirectFB *cur_impl;
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cur_private = GDK_WINDOW_OBJECT (cur->data);
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if (!GDK_WINDOW_IS_MAPPED (cur_private) || cur_private->input_only)
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continue;
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cur_impl = GDK_DRAWABLE_IMPL_DIRECTFB (cur_private->impl);
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temp.extents.x1 = cur_private->x;
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temp.extents.y1 = cur_private->y;
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temp.extents.x2 = cur_private->x + cur_impl->width;
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temp.extents.y2 = cur_private->y + cur_impl->height;
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D_DEBUG_AT( GDKDFB_DrawClip, " -> clipping child [ %4d,%4d - %4dx%4d ] (%ld boxes)\n",
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GDKDFB_RECTANGLE_VALS_FROM_BOX( &temp.extents ), temp.numRects );
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gdk_region_subtract (ret_clip, &temp);
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}
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}
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D_DEBUG_AT( GDKDFB_DrawClip, " => returning clip >> %4d,%4d - %4dx%4d << (%ld boxes)\n",
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GDKDFB_RECTANGLE_VALS_FROM_BOX( &ret_clip->extents ), ret_clip->numRects );
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}
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/* Drawing
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*/
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static inline void
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gdk_directfb_set_color (GdkDrawableImplDirectFB *impl,
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GdkColor *color,
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guchar alpha)
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{
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if (DFB_PIXELFORMAT_IS_INDEXED (impl->format))
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{
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impl->surface->SetColorIndex (impl->surface, color->pixel);
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}
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else
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{
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impl->surface->SetColor (impl->surface,
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color->red >> 8,
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color->green >> 8,
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color->blue >> 8,
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alpha);
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}
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}
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static gboolean
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gdk_directfb_setup_for_drawing (GdkDrawableImplDirectFB *impl,
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GdkGCDirectFB *gc_private)
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{
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DFBSurfaceDrawingFlags flags = DSDRAW_NOFX;
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GdkColor color = { 0, 0, 0, 0 };
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guchar alpha = 0xFF;
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if (!impl->surface)
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return FALSE;
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if (gc_private && gc_private->values_mask & GDK_GC_FOREGROUND)
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color = gc_private->values.foreground;
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if (gc_private && gc_private->values_mask & GDK_GC_FUNCTION)
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{
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switch (gc_private->values.function)
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{
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case GDK_COPY:
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flags = DSDRAW_NOFX;
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break;
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case GDK_INVERT:
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color.red = color.green = color.blue = 0xFFFF;
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alpha = 0x0;
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flags = DSDRAW_XOR;
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break;
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case GDK_XOR:
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alpha = 0x0;
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flags = DSDRAW_XOR;
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break;
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case GDK_CLEAR:
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color.red = color.green = color.blue = 0x0;
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flags = DSDRAW_NOFX;
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break;
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case GDK_NOOP:
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return FALSE;
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case GDK_SET:
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color.red = color.green = color.blue = 0xFFFF;
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flags = DSDRAW_NOFX;
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break;
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default:
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g_message ("unsupported GC function %d",
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gc_private->values.function);
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flags = DSDRAW_NOFX;
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break;
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}
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}
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gdk_directfb_set_color (impl, &color, alpha);
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impl->surface->SetDrawingFlags (impl->surface, flags);
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return TRUE;
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}
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static void
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gdk_directfb_draw_rectangle (GdkDrawable *drawable,
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GdkGC *gc,
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gint filled,
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gint x,
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gint y,
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gint width,
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gint height)
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{
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GdkDrawableImplDirectFB *impl;
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GdkRegion clip;
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GdkGCDirectFB *gc_private = NULL;
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IDirectFBSurface *surface = NULL;
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gint i;
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g_return_if_fail (GDK_IS_DRAWABLE (drawable));
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D_DEBUG_AT( GDKDFB_Drawable, "%s( %p, %p, %s, %4d,%4d - %4dx%4d )\n", G_STRFUNC,
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drawable, gc, filled ? " filled" : "outline", x, y, width, height );
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impl = GDK_DRAWABLE_IMPL_DIRECTFB (drawable);
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if (!impl->surface)
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return;
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if (gc)
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gc_private = GDK_GC_DIRECTFB (gc);
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if (gc_private)
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{
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if (gdk_directfb_enable_color_keying &&
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(gc_private->values.foreground.red >> 8) == gdk_directfb_bg_color_key.r &&
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(gc_private->values.foreground.green >> 8) == gdk_directfb_bg_color_key.g &&
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(gc_private->values.foreground.blue >> 8) == gdk_directfb_bg_color_key.b)
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{
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if (DFB_PIXELFORMAT_IS_INDEXED (impl->format))
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impl->surface->SetColorIndex (impl->surface, 255);
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else
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impl->surface->SetColor (impl->surface,
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gdk_directfb_bg_color.r,
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gdk_directfb_bg_color.g,
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gdk_directfb_bg_color.b,
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gdk_directfb_bg_color.a);
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}
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else
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{
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if (!gdk_directfb_setup_for_drawing (impl, gc_private)){
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return;
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}
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}
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}
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else
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{
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GdkWindowObject *win = GDK_WINDOW_OBJECT (impl->wrapper);
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if (gdk_directfb_enable_color_keying)
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{
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if (DFB_PIXELFORMAT_IS_INDEXED (impl->format))
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impl->surface->SetColorIndex (impl->surface, 255);
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else
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impl->surface->SetColor (impl->surface,
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gdk_directfb_bg_color.r,
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gdk_directfb_bg_color.b,
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gdk_directfb_bg_color.g,
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gdk_directfb_bg_color.a);
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}
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else
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{
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gdk_directfb_set_color (impl, &win->bg_color, 0xFF);
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}
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}
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if (filled)
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{
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GdkRectangle rect = { x, y, width, height };
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gdk_directfb_clip_region (drawable, gc, &rect, &clip);
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if (gc_private && gc_private->values_mask & GDK_GC_FILL)
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{
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if (gc_private->values.fill == GDK_STIPPLED &&
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gc_private->values_mask & GDK_GC_STIPPLE &&
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gc_private->values.stipple)
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{
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surface = GDK_DRAWABLE_IMPL_DIRECTFB (GDK_PIXMAP_OBJECT (gc_private->values.stipple)->impl)->surface;
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if (surface)
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impl->surface->SetBlittingFlags (impl->surface,
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(DSBLIT_BLEND_ALPHACHANNEL |
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DSBLIT_COLORIZE));
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}
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else if (gc_private->values.fill == GDK_TILED &&
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gc_private->values_mask & GDK_GC_TILE &&
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gc_private->values.tile)
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{
|
|
surface = GDK_DRAWABLE_IMPL_DIRECTFB (GDK_PIXMAP_OBJECT (gc_private->values.tile)->impl)->surface;
|
|
|
|
impl->surface->SetBlittingFlags (impl->surface, DSBLIT_NOFX);
|
|
}
|
|
}
|
|
|
|
if (surface)
|
|
{
|
|
if (gc_private->values_mask & GDK_GC_TS_X_ORIGIN)
|
|
x = gc_private->values.ts_x_origin;
|
|
if (gc_private->values_mask & GDK_GC_TS_Y_ORIGIN)
|
|
y = gc_private->values.ts_y_origin;
|
|
|
|
for (i = 0; i < clip.numRects; i++)
|
|
{
|
|
DFBRegion reg = { clip.rects[i].x1, clip.rects[i].y1,
|
|
clip.rects[i].x2, clip.rects[i].y2 };
|
|
|
|
impl->surface->SetClip (impl->surface, ®);
|
|
impl->surface->TileBlit (impl->surface, surface, NULL, x, y);
|
|
}
|
|
}
|
|
else /* normal rectangle filling */
|
|
{
|
|
DFBRectangle rects[clip.numRects];
|
|
|
|
impl->surface->SetClip (impl->surface, NULL);
|
|
|
|
for (i = 0; i < clip.numRects; i++)
|
|
{
|
|
GdkRegionBox *box = &clip.rects[i];
|
|
|
|
rects[i].x = box->x1;
|
|
rects[i].y = box->y1;
|
|
rects[i].w = box->x2 - box->x1;
|
|
rects[i].h = box->y2 - box->y1;
|
|
}
|
|
|
|
impl->surface->FillRectangles(impl->surface, rects, clip.numRects);
|
|
}
|
|
|
|
temp_region_deinit( &clip );
|
|
}
|
|
else
|
|
{
|
|
|
|
DFBRegion region = { x, y, x + width, y + height };
|
|
impl->surface->SetClip (impl->surface, ®ion);
|
|
|
|
/* DirectFB does not draw rectangles the X way. Using DirectFB,
|
|
a filled Rectangle has the same size as a drawn one, while
|
|
X draws the rectangle one pixel taller and wider. */
|
|
impl->surface->DrawRectangle (impl->surface,
|
|
x, y, width , height);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gdk_directfb_draw_arc (GdkDrawable *drawable,
|
|
GdkGC *gc,
|
|
gint filled,
|
|
gint x,
|
|
gint y,
|
|
gint width,
|
|
gint height,
|
|
gint angle1,
|
|
gint angle2)
|
|
{
|
|
D_UNIMPLEMENTED();
|
|
}
|
|
|
|
static void
|
|
gdk_directfb_draw_polygon (GdkDrawable *drawable,
|
|
GdkGC *gc,
|
|
gint filled,
|
|
GdkPoint *points,
|
|
gint npoints)
|
|
{
|
|
g_return_if_fail (GDK_IS_DRAWABLE (drawable));
|
|
|
|
D_DEBUG_AT( GDKDFB_Drawable, "%s( %p, %p, %s, %p, %d )\n", G_STRFUNC,
|
|
drawable, gc, filled ? " filled" : "outline", points, npoints );
|
|
|
|
if (npoints < 3)
|
|
return;
|
|
|
|
if (filled)
|
|
{
|
|
if (npoints == 3 || (npoints == 4 &&
|
|
points[0].x == points[npoints-1].x &&
|
|
points[0].y == points[npoints-1].y))
|
|
{
|
|
GdkDrawableImplDirectFB *impl;
|
|
GdkRegion clip;
|
|
gint i;
|
|
|
|
impl = GDK_DRAWABLE_IMPL_DIRECTFB (drawable);
|
|
|
|
if (!gdk_directfb_setup_for_drawing (impl, GDK_GC_DIRECTFB (gc)))
|
|
return;
|
|
|
|
gdk_directfb_clip_region (drawable, gc, NULL, &clip);
|
|
|
|
for (i = 0; i < clip.numRects; i++)
|
|
{
|
|
DFBRegion reg = { clip.rects[i].x1, clip.rects[i].y1,
|
|
clip.rects[i].x2 , clip.rects[i].y2 };
|
|
|
|
impl->surface->SetClip (impl->surface, ®);
|
|
impl->surface->FillTriangle (impl->surface,
|
|
points[0].x, points[0].y,
|
|
points[1].x, points[1].y,
|
|
points[2].x, points[2].y);
|
|
|
|
}
|
|
|
|
temp_region_deinit( &clip );
|
|
|
|
return;
|
|
}
|
|
else
|
|
g_message ("filled polygons with n > 3 are not yet supported, "
|
|
"drawing outlines");
|
|
}
|
|
|
|
if (points[0].x != points[npoints-1].x ||
|
|
points[0].y != points[npoints-1].y)
|
|
{
|
|
GdkPoint *tmp_points;
|
|
|
|
tmp_points = g_new (GdkPoint, npoints + 1);
|
|
memcpy (tmp_points, points, npoints * sizeof (GdkPoint));
|
|
tmp_points[npoints].x = points[0].x;
|
|
tmp_points[npoints].y = points[0].y;
|
|
|
|
gdk_directfb_draw_lines (drawable, gc, tmp_points, npoints + 1);
|
|
|
|
g_free (tmp_points);
|
|
}
|
|
else
|
|
{
|
|
gdk_directfb_draw_lines (drawable, gc, points, npoints);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gdk_directfb_draw_text (GdkDrawable *drawable,
|
|
GdkFont *font,
|
|
GdkGC *gc,
|
|
gint x,
|
|
gint y,
|
|
const gchar *text,
|
|
gint text_length)
|
|
{
|
|
D_UNIMPLEMENTED();
|
|
}
|
|
|
|
static void
|
|
gdk_directfb_draw_text_wc (GdkDrawable *drawable,
|
|
GdkFont *font,
|
|
GdkGC *gc,
|
|
gint x,
|
|
gint y,
|
|
const GdkWChar *text,
|
|
gint text_length)
|
|
{
|
|
D_UNIMPLEMENTED();
|
|
}
|
|
|
|
static void
|
|
gdk_directfb_draw_drawable (GdkDrawable *drawable,
|
|
GdkGC *gc,
|
|
GdkDrawable *src,
|
|
gint xsrc,
|
|
gint ysrc,
|
|
gint xdest,
|
|
gint ydest,
|
|
gint width,
|
|
gint height)
|
|
{
|
|
GdkDrawableImplDirectFB *impl;
|
|
GdkDrawableImplDirectFB *src_impl;
|
|
GdkRegion clip;
|
|
GdkRectangle dest_rect = { xdest,
|
|
ydest,
|
|
xdest + width ,
|
|
ydest + height};
|
|
|
|
DFBRectangle rect = { xsrc, ysrc, width, height };
|
|
gint i;
|
|
|
|
D_DEBUG_AT( GDKDFB_Drawable, "%s( %p, %p, %p, %4d,%4d -> %4d,%4d - %dx%d )\n", G_STRFUNC,
|
|
drawable, gc, src, xsrc, ysrc, xdest, ydest, width, height );
|
|
|
|
impl = GDK_DRAWABLE_IMPL_DIRECTFB (drawable);
|
|
|
|
if (!impl->surface)
|
|
return;
|
|
|
|
if (GDK_IS_PIXMAP (src))
|
|
src_impl = GDK_DRAWABLE_IMPL_DIRECTFB (GDK_PIXMAP_OBJECT (src)->impl);
|
|
else if (GDK_IS_WINDOW (src))
|
|
src_impl = GDK_DRAWABLE_IMPL_DIRECTFB (GDK_WINDOW_OBJECT (src)->impl);
|
|
else if (GDK_IS_DRAWABLE_IMPL_DIRECTFB (src))
|
|
src_impl = GDK_DRAWABLE_IMPL_DIRECTFB (src);
|
|
else
|
|
return;
|
|
|
|
gdk_directfb_clip_region (drawable, gc, &dest_rect, &clip);
|
|
|
|
impl->surface->SetBlittingFlags (impl->surface, DSBLIT_NOFX);
|
|
|
|
for (i = 0; i < clip.numRects; i++)
|
|
{
|
|
DFBRegion reg = { clip.rects[i].x1, clip.rects[i].y1,
|
|
clip.rects[i].x2 , clip.rects[i].y2 };
|
|
|
|
impl->surface->SetClip (impl->surface, ®);
|
|
impl->surface->Blit (impl->surface, src_impl->surface, &rect,
|
|
xdest, ydest);
|
|
}
|
|
|
|
temp_region_deinit( &clip );
|
|
}
|
|
|
|
static void
|
|
gdk_directfb_draw_points (GdkDrawable *drawable,
|
|
GdkGC *gc,
|
|
GdkPoint *points,
|
|
gint npoints)
|
|
{
|
|
GdkDrawableImplDirectFB *impl;
|
|
GdkRegion clip;
|
|
|
|
DFBRegion region = { points->x, points->y, points->x, points->y };
|
|
|
|
D_DEBUG_AT( GDKDFB_Drawable, "%s( %p, %p, %p, %d )\n", G_STRFUNC, drawable, gc, points, npoints );
|
|
|
|
if (npoints < 1)
|
|
return;
|
|
|
|
impl = GDK_DRAWABLE_IMPL_DIRECTFB (drawable);
|
|
|
|
if (!gdk_directfb_setup_for_drawing (impl, GDK_GC_DIRECTFB (gc)))
|
|
return;
|
|
|
|
gdk_directfb_clip_region (drawable, gc, NULL, &clip);
|
|
|
|
while (npoints > 0)
|
|
{
|
|
if (gdk_region_point_in (&clip, points->x, points->y))
|
|
{
|
|
impl->surface->FillRectangle (impl->surface,
|
|
points->x, points->y, 1, 1);
|
|
|
|
if (points->x < region.x1)
|
|
region.x1 = points->x;
|
|
if (points->x > region.x2)
|
|
region.x2 = points->x;
|
|
|
|
if (points->y < region.y1)
|
|
region.y1 = points->y;
|
|
if (points->y > region.y2)
|
|
region.y2 = points->y;
|
|
}
|
|
|
|
npoints--;
|
|
points++;
|
|
}
|
|
|
|
temp_region_deinit( &clip );
|
|
}
|
|
|
|
static void
|
|
gdk_directfb_draw_segments (GdkDrawable *drawable,
|
|
GdkGC *gc,
|
|
GdkSegment *segs,
|
|
gint nsegs)
|
|
{
|
|
GdkDrawableImplDirectFB *impl;
|
|
GdkRegion clip;
|
|
gint i;
|
|
|
|
// DFBRegion region = { segs->x1, segs->y1, segs->x2, segs->y2 };
|
|
|
|
D_DEBUG_AT( GDKDFB_Drawable, "%s( %p, %p, %p, %d )\n", G_STRFUNC, drawable, gc, segs, nsegs );
|
|
|
|
if (nsegs < 1)
|
|
return;
|
|
|
|
impl = GDK_DRAWABLE_IMPL_DIRECTFB (drawable);
|
|
|
|
if (!gdk_directfb_setup_for_drawing (impl, GDK_GC_DIRECTFB (gc)))
|
|
return;
|
|
|
|
gdk_directfb_clip_region (drawable, gc, NULL, &clip);
|
|
|
|
for (i = 0; i < clip.numRects; i++)
|
|
{
|
|
DFBRegion reg = { clip.rects[i].x1, clip.rects[i].y1,
|
|
clip.rects[i].x2, clip.rects[i].y2 };
|
|
|
|
impl->surface->SetClip (impl->surface, ®);
|
|
|
|
impl->surface->DrawLines (impl->surface, (DFBRegion *)segs, nsegs);
|
|
}
|
|
|
|
temp_region_deinit( &clip );
|
|
|
|
/* everything below can be omitted if the drawing is buffered */
|
|
/* if (impl->buffered)
|
|
return;
|
|
|
|
if (region.x1 > region.x2)
|
|
{
|
|
region.x1 = segs->x2;
|
|
region.x2 = segs->x1;
|
|
}
|
|
if (region.y1 > region.y2)
|
|
{
|
|
region.y1 = segs->y2;
|
|
region.y2 = segs->y1;
|
|
}
|
|
|
|
while (nsegs > 1)
|
|
{
|
|
nsegs--;
|
|
segs++;
|
|
|
|
if (segs->x1 < region.x1)
|
|
region.x1 = segs->x1;
|
|
if (segs->x2 < region.x1)
|
|
region.x1 = segs->x2;
|
|
|
|
if (segs->y1 < region.y1)
|
|
region.y1 = segs->y1;
|
|
if (segs->y2 < region.y1)
|
|
region.y1 = segs->y2;
|
|
|
|
if (segs->x1 > region.x2)
|
|
region.x2 = segs->x1;
|
|
if (segs->x2 > region.x2)
|
|
region.x2 = segs->x2;
|
|
|
|
if (segs->y1 > region.y2)
|
|
region.y2 = segs->y1;
|
|
if (segs->y2 > region.y2)
|
|
region.y2 = segs->y2;
|
|
}*/
|
|
}
|
|
|
|
static void
|
|
gdk_directfb_draw_lines (GdkDrawable *drawable,
|
|
GdkGC *gc,
|
|
GdkPoint *points,
|
|
gint npoints)
|
|
{
|
|
GdkDrawableImplDirectFB *impl;
|
|
GdkRegion clip;
|
|
gint i;
|
|
|
|
DFBRegion lines[npoints > 1 ? npoints - 1 : 1];
|
|
|
|
DFBRegion region = { points->x, points->y, points->x, points->y };
|
|
|
|
D_DEBUG_AT( GDKDFB_Drawable, "%s( %p, %p, %p, %d )\n", G_STRFUNC, drawable, gc, points, npoints );
|
|
|
|
if (npoints < 2)
|
|
return;
|
|
|
|
impl = GDK_DRAWABLE_IMPL_DIRECTFB (drawable);
|
|
|
|
if (!gdk_directfb_setup_for_drawing (impl, GDK_GC_DIRECTFB (gc)))
|
|
return;
|
|
|
|
/* create an array of DFBRegions so we can use DrawLines */
|
|
|
|
lines[0].x1 = points->x;
|
|
lines[0].y1 = points->y;
|
|
|
|
for (i = 0; i < npoints - 2; i++)
|
|
{
|
|
points++;
|
|
|
|
lines[i].x2 = lines[i+1].x1 = points->x;
|
|
lines[i].y2 = lines[i+1].y1 = points->y;
|
|
|
|
if (points->x < region.x1)
|
|
region.x1 = points->x;
|
|
|
|
if (points->y < region.y1)
|
|
region.y1 = points->y;
|
|
|
|
if (points->x > region.x2)
|
|
region.x2 = points->x;
|
|
|
|
if (points->y > region.y2)
|
|
region.y2 = points->y;
|
|
}
|
|
|
|
points++;
|
|
lines[i].x2 = points->x;
|
|
lines[i].y2 = points->y;
|
|
|
|
gdk_directfb_clip_region (drawable, gc, NULL, &clip);
|
|
|
|
for (i = 0; i < clip.numRects; i++)
|
|
{
|
|
DFBRegion reg = { clip.rects[i].x1, clip.rects[i].y1,
|
|
clip.rects[i].x2, clip.rects[i].y2 };
|
|
|
|
impl->surface->SetClip (impl->surface, ®);
|
|
impl->surface->DrawLines (impl->surface, lines, npoints - 1);
|
|
}
|
|
|
|
temp_region_deinit( &clip );
|
|
}
|
|
|
|
static void
|
|
gdk_directfb_draw_image (GdkDrawable *drawable,
|
|
GdkGC *gc,
|
|
GdkImage *image,
|
|
gint xsrc,
|
|
gint ysrc,
|
|
gint xdest,
|
|
gint ydest,
|
|
gint width,
|
|
gint height)
|
|
{
|
|
GdkDrawableImplDirectFB *impl;
|
|
GdkImageDirectFB *image_private;
|
|
GdkRegion clip;
|
|
GdkRectangle dest_rect = { xdest, ydest, width, height };
|
|
|
|
gint pitch = 0;
|
|
gint i;
|
|
|
|
g_return_if_fail (GDK_IS_DRAWABLE (drawable));
|
|
g_return_if_fail (image != NULL);
|
|
|
|
D_DEBUG_AT( GDKDFB_Drawable, "%s( %p, %p, %p, %4d,%4d -> %4d,%4d - %dx%d )\n", G_STRFUNC,
|
|
drawable, gc, image, xsrc, ysrc, xdest, ydest, width, height );
|
|
|
|
impl = GDK_DRAWABLE_IMPL_DIRECTFB (drawable);
|
|
image_private = image->windowing_data;
|
|
|
|
if (!impl->surface)
|
|
return;
|
|
|
|
gdk_directfb_clip_region (drawable, gc, &dest_rect, &clip);
|
|
|
|
if (!gdk_region_empty (&clip))
|
|
{
|
|
DFBRectangle src_rect = { xsrc, ysrc, width, height };
|
|
|
|
image_private->surface->Unlock (image_private->surface);
|
|
|
|
impl->surface->SetBlittingFlags (impl->surface, DSBLIT_NOFX);
|
|
|
|
for (i = 0; i < clip.numRects; i++)
|
|
{
|
|
DFBRegion reg = { clip.rects[i].x1, clip.rects[i].y1,
|
|
clip.rects[i].x2 , clip.rects[i].y2 };
|
|
|
|
impl->surface->SetClip (impl->surface, ®);
|
|
impl->surface->Blit (impl->surface,
|
|
image_private->surface, &src_rect,
|
|
xdest, ydest);
|
|
}
|
|
|
|
image_private->surface->Lock (image_private->surface, DSLF_WRITE,
|
|
&image->mem, &pitch);
|
|
image->bpl = pitch;
|
|
}
|
|
|
|
temp_region_deinit( &clip );
|
|
}
|
|
|
|
static void
|
|
composite (guchar *src_buf,
|
|
gint src_rowstride,
|
|
guchar *dest_buf,
|
|
gint dest_rowstride,
|
|
gint width,
|
|
gint height)
|
|
{
|
|
guchar *src = src_buf;
|
|
guchar *dest = dest_buf;
|
|
|
|
while (height--)
|
|
{
|
|
gint twidth = width;
|
|
guchar *p = src;
|
|
guchar *q = dest;
|
|
|
|
while (twidth--)
|
|
{
|
|
guchar a = p[3];
|
|
guint t;
|
|
|
|
t = a * p[0] + (255 - a) * q[0] + 0x80;
|
|
q[0] = (t + (t >> 8)) >> 8;
|
|
t = a * p[1] + (255 - a) * q[1] + 0x80;
|
|
q[1] = (t + (t >> 8)) >> 8;
|
|
t = a * p[2] + (255 - a) * q[2] + 0x80;
|
|
q[2] = (t + (t >> 8)) >> 8;
|
|
|
|
p += 4;
|
|
q += 3;
|
|
}
|
|
|
|
src += src_rowstride;
|
|
dest += dest_rowstride;
|
|
}
|
|
}
|
|
|
|
static void
|
|
composite_0888 (guchar *src_buf,
|
|
gint src_rowstride,
|
|
guchar *dest_buf,
|
|
gint dest_rowstride,
|
|
GdkByteOrder dest_byte_order,
|
|
gint width,
|
|
gint height)
|
|
{
|
|
guchar *src = src_buf;
|
|
guchar *dest = dest_buf;
|
|
|
|
while (height--)
|
|
{
|
|
gint twidth = width;
|
|
guchar *p = src;
|
|
guchar *q = dest;
|
|
|
|
if (dest_byte_order == GDK_LSB_FIRST)
|
|
{
|
|
while (twidth--)
|
|
{
|
|
guint t;
|
|
|
|
t = p[3] * p[2] + (255 - p[3]) * q[0] + 0x80;
|
|
q[0] = (t + (t >> 8)) >> 8;
|
|
t = p[3] * p[1] + (255 - p[3]) * q[1] + 0x80;
|
|
q[1] = (t + (t >> 8)) >> 8;
|
|
t = p[3] * p[0] + (255 - p[3]) * q[2] + 0x80;
|
|
q[2] = (t + (t >> 8)) >> 8;
|
|
p += 4;
|
|
q += 4;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
while (twidth--)
|
|
{
|
|
guint t;
|
|
|
|
t = p[3] * p[0] + (255 - p[3]) * q[1] + 0x80;
|
|
q[1] = (t + (t >> 8)) >> 8;
|
|
t = p[3] * p[1] + (255 - p[3]) * q[2] + 0x80;
|
|
q[2] = (t + (t >> 8)) >> 8;
|
|
t = p[3] * p[2] + (255 - p[3]) * q[3] + 0x80;
|
|
q[3] = (t + (t >> 8)) >> 8;
|
|
p += 4;
|
|
q += 4;
|
|
}
|
|
}
|
|
|
|
src += src_rowstride;
|
|
dest += dest_rowstride;
|
|
}
|
|
}
|
|
|
|
/* change the last value to adjust the size of the device (1-4) */
|
|
#define SET_PIXEL_DUFFS_DEVICE( D, S, w ) \
|
|
SET_PIXEL_DUFFS_DEVICE_N( D, S, w, 2 )
|
|
|
|
/* From DirectFB's gfx/generic/generic.c" */
|
|
#define SET_PIXEL( D, S ) \
|
|
switch (S >> 26) { \
|
|
case 0: \
|
|
break; \
|
|
case 0x3f: \
|
|
D = ((S << 8) & 0xF800) | \
|
|
((S >> 5) & 0x07E0) | \
|
|
((S >> 19) & 0x001F); \
|
|
break; \
|
|
default: \
|
|
D = (((( (((S<<8) & 0xf800) | ((S>>19) & 0x001f)) \
|
|
- (D & 0xf81f)) * ((S>>26)+1) + ((D & 0xf81f)<<6)) & 0x003e07c0) \
|
|
+ \
|
|
((( ((S>>5) & 0x07e0) \
|
|
- (D & 0x07e0)) * ((S>>26)+1) + ((D & 0x07e0)<<6)) & 0x0001f800)) >> 6; \
|
|
}
|
|
|
|
static void
|
|
composite_565 (guchar *src_buf,
|
|
gint src_rowstride,
|
|
guchar *dest_buf,
|
|
gint dest_rowstride,
|
|
GdkByteOrder dest_byte_order,
|
|
gint width,
|
|
gint height)
|
|
{
|
|
while (height--) {
|
|
int w = width;
|
|
u16 *D = (u16*) dest_buf;
|
|
u32 *S = (u32*) src_buf;
|
|
#if 1
|
|
if ((unsigned long)D & 2) {
|
|
SET_PIXEL( D[0], S[0] );
|
|
w--;
|
|
D++;
|
|
S++;
|
|
}
|
|
|
|
int i;
|
|
int w2 = w / 2;
|
|
u32 *D32 = (u32*) D;
|
|
|
|
for (i=0; i<w2; i++) {
|
|
register u32 S0 = S[(i << 1) + 0];
|
|
register u32 S1 = S[(i << 1) + 1];
|
|
|
|
if ((S0 >> 26) == 0x3f && (S1 >> 26) == 0x3f) {
|
|
D32[i] = ((S0 << 8) & 0x0000F800) |
|
|
((S0 >> 5) & 0x000007E0) |
|
|
((S0 >> 19) & 0x0000001F) |
|
|
((S1 << 24) & 0xF8000000) |
|
|
((S1 << 11) & 0x07E00000) |
|
|
((S1 >> 3) & 0x001F0000);
|
|
}
|
|
else {
|
|
SET_PIXEL( D[(i << 1) + 0], S0 );
|
|
SET_PIXEL( D[(i << 1) + 1], S1 );
|
|
}
|
|
}
|
|
|
|
if (w & 1)
|
|
SET_PIXEL( D[w-1], S[w-1] );
|
|
#else
|
|
SET_PIXEL_DUFFS_DEVICE( D, S, w );
|
|
#endif
|
|
|
|
dest_buf += dest_rowstride;
|
|
src_buf += src_rowstride;
|
|
}
|
|
}
|
|
|
|
#undef SET_PIXEL
|
|
#undef SET_PIXEL_DUFFS_DEVICE
|
|
|
|
static void
|
|
gdk_directfb_draw_pixbuf (GdkDrawable *drawable,
|
|
GdkGC *gc,
|
|
GdkPixbuf *pixbuf,
|
|
gint src_x,
|
|
gint src_y,
|
|
gint dest_x,
|
|
gint dest_y,
|
|
gint width,
|
|
gint height,
|
|
GdkRgbDither dither,
|
|
gint x_dither,
|
|
gint y_dither)
|
|
{
|
|
GdkPixbuf *composited = NULL;
|
|
#if 0
|
|
GdkRegion *clip;
|
|
GdkRegion *drect;
|
|
GdkRectangle tmp_rect;
|
|
#endif
|
|
GdkDrawableImplDirectFB *impl = GDK_DRAWABLE_IMPL_DIRECTFB (drawable);
|
|
|
|
g_return_if_fail (GDK_IS_PIXBUF (pixbuf));
|
|
g_return_if_fail (pixbuf->colorspace == GDK_COLORSPACE_RGB);
|
|
g_return_if_fail (pixbuf->n_channels == 3 || pixbuf->n_channels == 4);
|
|
g_return_if_fail (pixbuf->bits_per_sample == 8);
|
|
|
|
g_return_if_fail (drawable != NULL);
|
|
|
|
if (width == -1)
|
|
width = pixbuf->width;
|
|
if (height == -1)
|
|
height = pixbuf->height;
|
|
|
|
g_return_if_fail (width >= 0 && height >= 0);
|
|
g_return_if_fail (src_x >= 0 && src_x + width <= pixbuf->width);
|
|
g_return_if_fail (src_y >= 0 && src_y + height <= pixbuf->height);
|
|
|
|
D_DEBUG_AT( GDKDFB_Drawable, "%s( %p, %p, %p, %4d,%4d -> %4d,%4d - %dx%d )\n", G_STRFUNC,
|
|
drawable, gc, pixbuf, src_x, src_y, dest_x, dest_y, width, height );
|
|
|
|
/* Clip to the drawable; this is required for get_from_drawable() so
|
|
* can't be done implicitly
|
|
*/
|
|
|
|
if (dest_x < 0)
|
|
{
|
|
src_x -= dest_x;
|
|
width += dest_x;
|
|
dest_x = 0;
|
|
}
|
|
|
|
if (dest_y < 0)
|
|
{
|
|
src_y -= dest_y;
|
|
height += dest_y;
|
|
dest_y = 0;
|
|
}
|
|
|
|
if ((dest_x + width) > impl->width)
|
|
width = impl->width - dest_x;
|
|
|
|
if ((dest_y + height) > impl->height)
|
|
height = impl->height - dest_y;
|
|
|
|
if (width <= 0 || height <= 0)
|
|
return;
|
|
|
|
#if 0
|
|
/* Clip to the clip region; this avoids getting more
|
|
* image data from the server than we need to.
|
|
*/
|
|
|
|
tmp_rect.x = dest_x;
|
|
tmp_rect.y = dest_y;
|
|
tmp_rect.width = width;
|
|
tmp_rect.height = height;
|
|
|
|
drect = gdk_region_rectangle (&tmp_rect);
|
|
clip = gdk_drawable_get_clip_region (drawable);
|
|
|
|
gdk_region_intersect (drect, clip);
|
|
|
|
gdk_region_get_clipbox (drect, &tmp_rect);
|
|
|
|
gdk_region_destroy (drect);
|
|
gdk_region_destroy (clip);
|
|
|
|
if (tmp_rect.width == 0 ||
|
|
tmp_rect.height == 0)
|
|
return;
|
|
#endif
|
|
|
|
if (pixbuf->has_alpha && impl->format == DSPF_RGB16) {
|
|
void *data;
|
|
int pitch;
|
|
|
|
if (impl->surface->Lock( impl->surface, DSLF_READ | DSLF_WRITE, &data, &pitch ) == DFB_OK) {
|
|
composite_565( pixbuf->pixels + src_y * pixbuf->rowstride + src_x * 4,
|
|
pixbuf->rowstride,
|
|
data + dest_y * pitch + dest_x * 2,
|
|
pitch,
|
|
#if G_BYTE_ORDER == G_BIG_ENDIAN
|
|
GDK_MSB_FIRST,
|
|
#else
|
|
GDK_LSB_FIRST,
|
|
#endif
|
|
width, height );
|
|
|
|
impl->surface->Unlock( impl->surface );
|
|
|
|
return;
|
|
}
|
|
}
|
|
|
|
/* Actually draw */
|
|
if (!gc)
|
|
gc = _gdk_drawable_get_scratch_gc (drawable, FALSE);
|
|
|
|
if (pixbuf->has_alpha)
|
|
{
|
|
GdkVisual *visual = gdk_drawable_get_visual (drawable);
|
|
void (*composite_func) (guchar *src_buf,
|
|
gint src_rowstride,
|
|
guchar *dest_buf,
|
|
gint dest_rowstride,
|
|
GdkByteOrder dest_byte_order,
|
|
gint width,
|
|
gint height) = NULL;
|
|
|
|
/* First we see if we have a visual-specific composition function that can composite
|
|
* the pixbuf data directly onto the image
|
|
*/
|
|
if (visual)
|
|
{
|
|
gint bits_per_pixel = _gdk_windowing_get_bits_for_depth (gdk_drawable_get_display (drawable),
|
|
visual->depth);
|
|
|
|
if (visual->byte_order == (G_BYTE_ORDER == G_BIG_ENDIAN ? GDK_MSB_FIRST : GDK_LSB_FIRST) &&
|
|
visual->depth == 16 &&
|
|
visual->red_mask == 0xf800 &&
|
|
visual->green_mask == 0x07e0 &&
|
|
visual->blue_mask == 0x001f)
|
|
composite_func = composite_565;
|
|
else if (visual->depth == 24 && bits_per_pixel == 32 &&
|
|
visual->red_mask == 0xff0000 &&
|
|
visual->green_mask == 0x00ff00 &&
|
|
visual->blue_mask == 0x0000ff)
|
|
composite_func = composite_0888;
|
|
}
|
|
|
|
/* We can't use our composite func if we are required to dither
|
|
*/
|
|
if (composite_func && !(dither == GDK_RGB_DITHER_MAX && visual->depth != 24))
|
|
{
|
|
#if 0
|
|
gint x0, y0;
|
|
for (y0 = 0; y0 < height; y0 += GDK_SCRATCH_IMAGE_HEIGHT)
|
|
{
|
|
gint height1 = MIN (height - y0, GDK_SCRATCH_IMAGE_HEIGHT);
|
|
for (x0 = 0; x0 < width; x0 += GDK_SCRATCH_IMAGE_WIDTH)
|
|
{
|
|
gint xs0, ys0;
|
|
|
|
gint width1 = MIN (width - x0, GDK_SCRATCH_IMAGE_WIDTH);
|
|
|
|
GdkImage *image = _gdk_image_get_scratch (gdk_drawable_get_screen (drawable),
|
|
width1, height1,
|
|
gdk_drawable_get_depth (drawable), &xs0, &ys0);
|
|
|
|
gdk_drawable_copy_to_image (drawable, image,
|
|
dest_x + x0, dest_y + y0,
|
|
xs0, ys0,
|
|
width1, height1);
|
|
(*composite_func) (pixbuf->pixels + (src_y + y0) * pixbuf->rowstride + (src_x + x0) * 4,
|
|
pixbuf->rowstride,
|
|
(guchar*)image->mem + ys0 * image->bpl + xs0 * image->bpp,
|
|
image->bpl,
|
|
visual->byte_order,
|
|
width1, height1);
|
|
gdk_draw_image (drawable, gc, image,
|
|
xs0, ys0,
|
|
dest_x + x0, dest_y + y0,
|
|
width1, height1);
|
|
}
|
|
}
|
|
#else
|
|
void *data;
|
|
int pitch;
|
|
|
|
if (impl->surface->Lock( impl->surface, DSLF_READ | DSLF_WRITE, &data, &pitch ) == DFB_OK) {
|
|
(*composite_func) (pixbuf->pixels + src_y * pixbuf->rowstride + src_x * 4,
|
|
pixbuf->rowstride,
|
|
data + dest_y * pitch + DFB_BYTES_PER_LINE( impl->format, dest_x ),
|
|
pitch,
|
|
visual->byte_order,
|
|
width, height);
|
|
|
|
impl->surface->Unlock( impl->surface );
|
|
}
|
|
#endif
|
|
goto out;
|
|
}
|
|
else
|
|
{
|
|
/* No special composition func, convert dest to 24 bit RGB data, composite against
|
|
* that, and convert back.
|
|
*/
|
|
composited = gdk_pixbuf_get_from_drawable (NULL,
|
|
drawable,
|
|
NULL,
|
|
dest_x, dest_y,
|
|
0, 0,
|
|
width, height);
|
|
|
|
if (composited)
|
|
composite (pixbuf->pixels + src_y * pixbuf->rowstride + src_x * 4,
|
|
pixbuf->rowstride,
|
|
composited->pixels,
|
|
composited->rowstride,
|
|
width, height);
|
|
}
|
|
}
|
|
|
|
if (composited)
|
|
{
|
|
src_x = 0;
|
|
src_y = 0;
|
|
pixbuf = composited;
|
|
}
|
|
|
|
if (pixbuf->n_channels == 4)
|
|
{
|
|
guchar *buf = pixbuf->pixels + src_y * pixbuf->rowstride + src_x * 4;
|
|
|
|
gdk_draw_rgb_32_image_dithalign (drawable, gc,
|
|
dest_x, dest_y,
|
|
width, height,
|
|
dither,
|
|
buf, pixbuf->rowstride,
|
|
x_dither, y_dither);
|
|
}
|
|
else /* n_channels == 3 */
|
|
{
|
|
guchar *buf = pixbuf->pixels + src_y * pixbuf->rowstride + src_x * 3;
|
|
|
|
gdk_draw_rgb_image_dithalign (drawable, gc,
|
|
dest_x, dest_y,
|
|
width, height,
|
|
dither,
|
|
buf, pixbuf->rowstride,
|
|
x_dither, y_dither);
|
|
}
|
|
|
|
out:
|
|
if (composited)
|
|
g_object_unref (composited);
|
|
}
|
|
|
|
static inline void
|
|
convert_rgba_pixbuf_to_image (guint32 *src,
|
|
guint src_pitch,
|
|
guint32 *dest,
|
|
guint dest_pitch,
|
|
guint width,
|
|
guint height)
|
|
{
|
|
guint i;
|
|
|
|
while (height--)
|
|
{
|
|
for (i = 0; i < width; i++)
|
|
{
|
|
guint32 pixel = GUINT32_FROM_BE (src[i]);
|
|
dest[i] = (pixel >> 8) | (pixel << 24);
|
|
}
|
|
|
|
src += src_pitch;
|
|
dest += dest_pitch;
|
|
}
|
|
}
|
|
|
|
static inline void
|
|
convert_rgb_pixbuf_to_image (guchar *src,
|
|
guint src_pitch,
|
|
guint32 *dest,
|
|
guint dest_pitch,
|
|
guint width,
|
|
guint height)
|
|
{
|
|
guint i;
|
|
guchar *s;
|
|
|
|
while (height--)
|
|
{
|
|
s = src;
|
|
|
|
for (i = 0; i < width; i++, s += 3)
|
|
dest[i] = 0xFF000000 | (s[0] << 16) | (s[1] << 8) | s[2];
|
|
|
|
src += src_pitch;
|
|
dest += dest_pitch;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Object stuff
|
|
*/
|
|
static inline const char *
|
|
drawable_impl_type_name( GObject *object )
|
|
{
|
|
if (GDK_IS_PIXMAP (object))
|
|
return "PIXMAP";
|
|
|
|
if (GDK_IS_WINDOW (object))
|
|
return "WINDOW";
|
|
|
|
if (GDK_IS_DRAWABLE_IMPL_DIRECTFB (object))
|
|
return "DRAWABLE";
|
|
|
|
return "unknown";
|
|
}
|
|
|
|
|
|
static void
|
|
gdk_drawable_impl_directfb_finalize (GObject *object)
|
|
{
|
|
GdkDrawableImplDirectFB *impl;
|
|
impl = GDK_DRAWABLE_IMPL_DIRECTFB (object);
|
|
|
|
D_DEBUG_AT( GDKDFB_Drawable, "%s( %p ) <- %dx%d (%s at %4d,%4d)\n", G_STRFUNC,
|
|
object, impl->width, impl->height,
|
|
drawable_impl_type_name( object ),
|
|
impl->abs_x, impl->abs_y );
|
|
|
|
gdk_directfb_set_colormap (GDK_DRAWABLE (object), NULL);
|
|
if( impl->cairo_surface ) {
|
|
cairo_surface_finish(impl->cairo_surface);
|
|
}
|
|
if( impl->surface )
|
|
impl->surface->Release (impl->surface);
|
|
G_OBJECT_CLASS (parent_class)->finalize (object);
|
|
}
|
|
|
|
static void
|
|
gdk_drawable_impl_directfb_class_init (GdkDrawableImplDirectFBClass *klass)
|
|
{
|
|
GdkDrawableClass *drawable_class = GDK_DRAWABLE_CLASS (klass);
|
|
GObjectClass *object_class = G_OBJECT_CLASS (klass);
|
|
|
|
parent_class = g_type_class_peek_parent (klass);
|
|
|
|
object_class->finalize = gdk_drawable_impl_directfb_finalize;
|
|
|
|
drawable_class->create_gc = _gdk_directfb_gc_new;
|
|
drawable_class->draw_rectangle = gdk_directfb_draw_rectangle;
|
|
drawable_class->draw_arc = gdk_directfb_draw_arc;
|
|
drawable_class->draw_polygon = gdk_directfb_draw_polygon;
|
|
drawable_class->draw_text = gdk_directfb_draw_text;
|
|
drawable_class->draw_text_wc = gdk_directfb_draw_text_wc;
|
|
drawable_class->draw_drawable = gdk_directfb_draw_drawable;
|
|
drawable_class->draw_points = gdk_directfb_draw_points;
|
|
drawable_class->draw_segments = gdk_directfb_draw_segments;
|
|
drawable_class->draw_lines = gdk_directfb_draw_lines;
|
|
#if 0
|
|
drawable_class->draw_glyphs = NULL;
|
|
drawable_class->draw_glyphs_transformed = NULL;
|
|
#endif
|
|
drawable_class->draw_image = gdk_directfb_draw_image;
|
|
|
|
drawable_class->ref_cairo_surface = gdk_directfb_ref_cairo_surface;
|
|
drawable_class->set_colormap = gdk_directfb_set_colormap;
|
|
drawable_class->get_colormap = gdk_directfb_get_colormap;
|
|
|
|
drawable_class->get_depth = gdk_directfb_get_depth;
|
|
drawable_class->get_visual = gdk_directfb_get_visual;
|
|
|
|
drawable_class->get_size = gdk_directfb_get_size;
|
|
|
|
drawable_class->_copy_to_image = _gdk_directfb_copy_to_image;
|
|
drawable_class->get_screen = gdk_directfb_get_screen;
|
|
|
|
|
|
real_draw_pixbuf = drawable_class->draw_pixbuf;
|
|
drawable_class->draw_pixbuf = gdk_directfb_draw_pixbuf;
|
|
|
|
/* check for hardware-accelerated alpha-blending */
|
|
{
|
|
DFBGraphicsDeviceDescription desc;
|
|
_gdk_display->directfb->GetDeviceDescription ( _gdk_display->directfb, &desc);
|
|
|
|
accelerated_alpha_blending =
|
|
((desc.acceleration_mask & DFXL_BLIT) &&
|
|
(desc.blitting_flags & DSBLIT_BLEND_ALPHACHANNEL));
|
|
}
|
|
}
|
|
|
|
GType
|
|
gdk_drawable_impl_directfb_get_type (void)
|
|
{
|
|
static GType object_type = 0;
|
|
|
|
if (!object_type)
|
|
{
|
|
const GTypeInfo object_info =
|
|
{
|
|
sizeof (GdkDrawableImplDirectFBClass),
|
|
(GBaseInitFunc) NULL,
|
|
(GBaseFinalizeFunc) NULL,
|
|
(GClassInitFunc) gdk_drawable_impl_directfb_class_init,
|
|
NULL, /* class_finalize */
|
|
NULL, /* class_data */
|
|
sizeof (GdkDrawableImplDirectFB),
|
|
0, /* n_preallocs */
|
|
(GInstanceInitFunc) NULL,
|
|
};
|
|
|
|
object_type = g_type_register_static (GDK_TYPE_DRAWABLE,
|
|
"GdkDrawableImplDirectFB",
|
|
&object_info, 0);
|
|
}
|
|
|
|
return object_type;
|
|
}
|
|
|
|
static GdkScreen * gdk_directfb_get_screen (GdkDrawable *drawable){
|
|
return gdk_screen_get_default();
|
|
}
|
|
|
|
static void
|
|
gdk_directfb_cairo_surface_destroy (void *data)
|
|
{
|
|
GdkDrawableImplDirectFB *impl = data;
|
|
impl->cairo_surface = NULL;
|
|
}
|
|
|
|
void
|
|
_gdk_windowing_set_cairo_surface_size (cairo_surface_t *surface,
|
|
int width,
|
|
int height)
|
|
{
|
|
}
|
|
|
|
cairo_surface_t *
|
|
_gdk_windowing_create_cairo_surface (GdkDrawable *drawable,
|
|
int width,
|
|
int height)
|
|
{
|
|
GdkDrawableImplDirectFB *impl;
|
|
IDirectFB *dfb;
|
|
cairo_surface_t *ret;
|
|
|
|
impl = GDK_DRAWABLE_IMPL_DIRECTFB (drawable);
|
|
dfb = GDK_DISPLAY_DFB (gdk_drawable_get_display (drawable))->directfb;
|
|
|
|
ret = cairo_directfb_surface_create (dfb, impl->surface);
|
|
cairo_surface_set_user_data (ret,
|
|
&gdk_directfb_cairo_key, drawable,
|
|
gdk_directfb_cairo_surface_destroy);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static cairo_surface_t *
|
|
gdk_directfb_ref_cairo_surface (GdkDrawable *drawable)
|
|
{
|
|
GdkDrawableImplDirectFB *impl;
|
|
IDirectFB *dfb;
|
|
|
|
g_return_val_if_fail (GDK_IS_DRAWABLE (drawable), NULL);
|
|
g_return_val_if_fail (GDK_IS_DRAWABLE_IMPL_DIRECTFB (drawable), NULL);
|
|
|
|
impl = GDK_DRAWABLE_IMPL_DIRECTFB (drawable);
|
|
dfb = GDK_DISPLAY_DFB(gdk_drawable_get_display(drawable))->directfb;
|
|
|
|
if (!impl->cairo_surface) {
|
|
IDirectFBSurface *surface;
|
|
g_assert (impl->surface != NULL);
|
|
#if defined(CAIRO_VERSION) && CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1,5,5)
|
|
impl->surface->GetSubSurface (impl->surface, NULL, &surface);
|
|
#else
|
|
surface = impl->surface;
|
|
#endif
|
|
if (surface) {
|
|
impl->cairo_surface = cairo_directfb_surface_create (dfb, surface);
|
|
if (impl->cairo_surface) {
|
|
cairo_surface_set_user_data (impl->cairo_surface,
|
|
&gdk_directfb_cairo_key, drawable,
|
|
gdk_directfb_cairo_surface_destroy);
|
|
}
|
|
#if defined(CAIRO_VERSION) && CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1,5,5)
|
|
surface->Release (surface);
|
|
#endif
|
|
}
|
|
} else {
|
|
cairo_surface_reference (impl->cairo_surface);
|
|
}
|
|
|
|
g_assert (impl->cairo_surface != NULL);
|
|
return impl->cairo_surface;
|
|
}
|
|
|
|
#define __GDK_DRAWABLE_X11_C__
|
|
#include "gdkaliasdef.c"
|