forked from AuroraMiddleware/gtk
86a90abf97
2002-09-12 Tor Lillqvist <tml@iki.fi> Merge from gtk-2-0: * gdk/win32/gdkdrawable-win32.c (render_line_horizontal, render_line_vertical): Some spacing cleanup. Return TRUE.
1473 lines
42 KiB
C
1473 lines
42 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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* Copyright (C) 1998-2002 Tor Lillqvist
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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. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#include <math.h>
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#include <stdio.h>
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#include <glib.h>
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#include <pango/pangowin32.h>
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#include "gdkscreen.h" /* gdk_screen_get_default() */
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#include "gdkprivate-win32.h"
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static void gdk_win32_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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static void gdk_win32_draw_arc (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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gint angle1,
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gint angle2);
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static void gdk_win32_draw_polygon (GdkDrawable *drawable,
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GdkGC *gc,
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gint filled,
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GdkPoint *points,
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gint npoints);
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static void gdk_win32_draw_text (GdkDrawable *drawable,
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GdkFont *font,
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GdkGC *gc,
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gint x,
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gint y,
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const gchar *text,
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gint text_length);
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static void gdk_win32_draw_text_wc (GdkDrawable *drawable,
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GdkFont *font,
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GdkGC *gc,
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gint x,
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gint y,
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const GdkWChar *text,
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gint text_length);
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static void gdk_win32_draw_drawable (GdkDrawable *drawable,
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GdkGC *gc,
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GdkPixmap *src,
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gint xsrc,
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gint ysrc,
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gint xdest,
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gint ydest,
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gint width,
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gint height);
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static void gdk_win32_draw_points (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 void gdk_win32_draw_segments (GdkDrawable *drawable,
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GdkGC *gc,
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GdkSegment *segs,
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gint nsegs);
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static void gdk_win32_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 void gdk_win32_draw_glyphs (GdkDrawable *drawable,
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GdkGC *gc,
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PangoFont *font,
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gint x,
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gint y,
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PangoGlyphString *glyphs);
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static void gdk_win32_draw_image (GdkDrawable *drawable,
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GdkGC *gc,
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GdkImage *image,
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gint xsrc,
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gint ysrc,
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gint xdest,
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gint ydest,
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gint width,
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gint height);
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static void gdk_win32_set_colormap (GdkDrawable *drawable,
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GdkColormap *colormap);
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static GdkColormap* gdk_win32_get_colormap (GdkDrawable *drawable);
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static gint gdk_win32_get_depth (GdkDrawable *drawable);
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static GdkScreen * gdk_win32_get_screen (GdkDrawable *drawable);
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static GdkVisual* gdk_win32_get_visual (GdkDrawable *drawable);
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static void gdk_drawable_impl_win32_class_init (GdkDrawableImplWin32Class *klass);
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static void gdk_drawable_impl_win32_finalize (GObject *object);
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static gpointer parent_class = NULL;
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#ifdef G_ENABLE_DEBUG
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gchar *
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gdk_win32_drawable_description (GdkDrawable *d)
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{
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GdkVisual *v;
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static gchar buf[1000];
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static gchar *bufp = buf;
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gchar *msg;
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gint width, height;
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gchar *retval;
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gdk_drawable_get_size (d, &width, &height);
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msg = g_strdup_printf
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("%s:%p:%dx%dx%d",
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G_OBJECT_TYPE_NAME (d),
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GDK_DRAWABLE_HANDLE (d),
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width, height,
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(GDK_IS_PIXMAP (d) ? GDK_PIXMAP_IMPL_WIN32 (GDK_PIXMAP_OBJECT (d)->impl)->image->depth
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: ((v = gdk_drawable_get_visual (d)) ? v->depth : gdk_visual_get_system ()->depth)));
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if (bufp + strlen (msg) + 1 > buf + sizeof (buf))
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bufp = buf;
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retval = bufp;
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strcpy (bufp, msg);
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bufp += strlen (msg) + 1;
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g_free (msg);
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return retval;
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}
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#endif
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GType
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gdk_drawable_impl_win32_get_type (void)
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{
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static GType object_type = 0;
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if (!object_type)
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{
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static const GTypeInfo object_info =
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{
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sizeof (GdkDrawableImplWin32Class),
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(GBaseInitFunc) NULL,
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(GBaseFinalizeFunc) NULL,
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(GClassInitFunc) gdk_drawable_impl_win32_class_init,
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NULL, /* class_finalize */
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NULL, /* class_data */
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sizeof (GdkDrawableImplWin32),
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0, /* n_preallocs */
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(GInstanceInitFunc) NULL,
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};
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object_type = g_type_register_static (GDK_TYPE_DRAWABLE,
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"GdkDrawableImplWin32",
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&object_info, 0);
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}
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return object_type;
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}
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static void
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gdk_drawable_impl_win32_class_init (GdkDrawableImplWin32Class *klass)
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{
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GdkDrawableClass *drawable_class = GDK_DRAWABLE_CLASS (klass);
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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parent_class = g_type_class_peek_parent (klass);
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object_class->finalize = gdk_drawable_impl_win32_finalize;
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drawable_class->create_gc = _gdk_win32_gc_new;
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drawable_class->draw_rectangle = gdk_win32_draw_rectangle;
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drawable_class->draw_arc = gdk_win32_draw_arc;
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drawable_class->draw_polygon = gdk_win32_draw_polygon;
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drawable_class->draw_text = gdk_win32_draw_text;
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drawable_class->draw_text_wc = gdk_win32_draw_text_wc;
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drawable_class->draw_drawable = gdk_win32_draw_drawable;
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drawable_class->draw_points = gdk_win32_draw_points;
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drawable_class->draw_segments = gdk_win32_draw_segments;
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drawable_class->draw_lines = gdk_win32_draw_lines;
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drawable_class->draw_glyphs = gdk_win32_draw_glyphs;
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drawable_class->draw_image = gdk_win32_draw_image;
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drawable_class->set_colormap = gdk_win32_set_colormap;
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drawable_class->get_colormap = gdk_win32_get_colormap;
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drawable_class->get_depth = gdk_win32_get_depth;
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drawable_class->get_screen = gdk_win32_get_screen;
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drawable_class->get_visual = gdk_win32_get_visual;
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drawable_class->_copy_to_image = _gdk_win32_copy_to_image;
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}
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static void
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gdk_drawable_impl_win32_finalize (GObject *object)
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{
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gdk_drawable_set_colormap (GDK_DRAWABLE (object), NULL);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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/*****************************************************
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* Win32 specific implementations of generic functions *
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*****************************************************/
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static GdkColormap*
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gdk_win32_get_colormap (GdkDrawable *drawable)
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{
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return GDK_DRAWABLE_IMPL_WIN32 (drawable)->colormap;
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}
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static void
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gdk_win32_set_colormap (GdkDrawable *drawable,
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GdkColormap *colormap)
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{
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GdkDrawableImplWin32 *impl = GDK_DRAWABLE_IMPL_WIN32 (drawable);
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if (impl->colormap == colormap)
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return;
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if (impl->colormap)
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gdk_colormap_unref (impl->colormap);
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impl->colormap = colormap;
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if (impl->colormap)
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gdk_colormap_ref (impl->colormap);
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}
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/* Drawing
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*/
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/*
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* Render a dashed line 'by hand' cause the Win9x GDI is
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* too limited to do so
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*/
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static inline gboolean
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render_line_horizontal (HDC hdc,
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int x1,
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int x2,
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int y,
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int pen_width,
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DWORD *dashes,
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int num_dashes)
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{
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int n;
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for (n = 0; x1 < x2; n++)
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{
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int len = dashes[n % num_dashes];
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if (x1 + len > x2)
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len = x2 - x1;
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if (n % 2 == 0)
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if (!PatBlt (hdc,
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x1, y - pen_width / 2,
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len, pen_width,
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PATCOPY))
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{
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WIN32_GDI_FAILED ("PatBlt");
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return FALSE;
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}
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x1 += dashes[n % num_dashes];
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}
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return TRUE;
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}
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static inline gboolean
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render_line_vertical (HDC hdc,
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int x,
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int y1,
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int y2,
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int pen_width,
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DWORD *dashes,
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int num_dashes)
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{
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int n;
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for (n = 0; y1 < y2; n++)
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{
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int len = dashes[n % num_dashes];
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if (y1 + len > y2)
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len = y2 - y1;
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if (n % 2 == 0)
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if (!PatBlt (hdc,
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x - pen_width / 2, y1,
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pen_width, len,
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PATCOPY))
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{
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WIN32_GDI_FAILED ("PatBlt");
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return FALSE;
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}
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y1 += dashes[n % num_dashes];
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}
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return TRUE;
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}
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static void
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gdk_win32_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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GdkGCWin32 *gc_private = GDK_GC_WIN32 (gc);
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const GdkGCValuesMask mask = GDK_GC_FOREGROUND|GDK_GC_BACKGROUND;
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HDC hdc;
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HGDIOBJ old_pen_or_brush;
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POINT pts[4];
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gboolean ok = TRUE;
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GDK_NOTE (MISC, g_print ("gdk_win32_draw_rectangle: %s (%p) %s%dx%d@+%d+%d\n",
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gdk_win32_drawable_description (drawable),
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gc_private,
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(filled ? "fill " : ""),
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width, height, x, y));
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if (filled
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&& (gc_private->tile)
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&& (gc_private->values_mask & GDK_GC_TILE)
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&& (gc_private->values_mask & GDK_GC_FILL))
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{
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_gdk_win32_draw_tiles (drawable, gc, gc_private->tile, x, y, width, height);
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return;
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}
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hdc = gdk_win32_hdc_get (drawable, gc, mask);
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#if 0
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{
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HBRUSH hbr = GetCurrentObject (hdc, OBJ_BRUSH);
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HPEN hpen = GetCurrentObject (hdc, OBJ_PEN);
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LOGBRUSH lbr;
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LOGPEN lpen;
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GetObject (hbr, sizeof (lbr), &lbr);
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GetObject (hpen, sizeof (lpen), &lpen);
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g_print ("current brush: style = %s, color = 0x%.08x\n",
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(lbr.lbStyle == BS_SOLID ? "SOLID" : "???"),
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lbr.lbColor);
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g_print ("current pen: style = %s, width = %d, color = 0x%.08x\n",
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(lpen.lopnStyle == PS_SOLID ? "SOLID" : "???"),
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lpen.lopnWidth,
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lpen.lopnColor);
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}
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#endif
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if (gc_private->fill_style == GDK_OPAQUE_STIPPLED)
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{
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if (!BeginPath (hdc))
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WIN32_GDI_FAILED ("BeginPath"), ok = FALSE;
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/* Win9x doesn't support Rectangle calls in a path,
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* thus use Polyline.
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*/
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pts[0].x = x;
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pts[0].y = y;
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pts[1].x = x + width + 1;
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pts[1].y = y;
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pts[2].x = x + width + 1;
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pts[2].y = y + height + 1;
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pts[3].x = x;
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pts[3].y = y + height + 1;
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if (ok)
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MoveToEx (hdc, x, y, NULL);
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if (ok && !Polyline (hdc, pts, 4))
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WIN32_GDI_FAILED ("Polyline"), ok = FALSE;
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if (ok && !CloseFigure (hdc))
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WIN32_GDI_FAILED ("CloseFigure"), ok = FALSE;
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if (ok && !EndPath (hdc))
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WIN32_GDI_FAILED ("EndPath"), ok = FALSE;
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if (ok && !filled)
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if (!WidenPath (hdc))
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WIN32_GDI_FAILED ("WidenPath"), ok = FALSE;
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if (ok && !FillPath (hdc))
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WIN32_GDI_FAILED ("FillPath"), ok = FALSE;
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}
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else
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{
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if (!filled && gc_private->pen_dashes && !IS_WIN_NT ())
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{
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ok = ok && render_line_vertical (hdc, x, y, y+height+1,
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gc_private->pen_width,
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gc_private->pen_dashes,
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gc_private->pen_num_dashes);
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ok = ok && render_line_horizontal (hdc, x, x+width+1, y,
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gc_private->pen_width,
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gc_private->pen_dashes,
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gc_private->pen_num_dashes);
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ok = ok && render_line_vertical (hdc, x+width+1, y, y+height+1,
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gc_private->pen_width,
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gc_private->pen_dashes,
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gc_private->pen_num_dashes);
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ok = ok && render_line_horizontal (hdc, x, x+width+1, y+height+1,
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gc_private->pen_width,
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gc_private->pen_dashes,
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gc_private->pen_num_dashes);
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}
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else
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{
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if (filled)
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old_pen_or_brush = SelectObject (hdc, GetStockObject (NULL_PEN));
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else
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old_pen_or_brush = SelectObject (hdc, GetStockObject (HOLLOW_BRUSH));
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if (old_pen_or_brush == NULL)
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WIN32_GDI_FAILED ("SelectObject");
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if (!Rectangle (hdc, x, y, x+width+1, y+height+1))
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WIN32_GDI_FAILED ("Rectangle");
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if (old_pen_or_brush)
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SelectObject (hdc, old_pen_or_brush);
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}
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}
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gdk_win32_hdc_release (drawable, gc, mask);
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}
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static void
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gdk_win32_draw_arc (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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gint angle1,
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gint angle2)
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{
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const GdkGCValuesMask mask = GDK_GC_FOREGROUND|GDK_GC_BACKGROUND;
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HDC hdc;
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int nXStartArc, nYStartArc, nXEndArc, nYEndArc;
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GDK_NOTE (MISC, g_print ("gdk_draw_arc: %s %d,%d,%d,%d %d %d\n",
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gdk_win32_drawable_description (drawable),
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x, y, width, height, angle1, angle2));
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/* Seems that drawing arcs with width or height <= 2 fails, at least
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* with my TNT card.
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*/
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if (width <= 2 || height <= 2 || angle2 == 0)
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return;
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hdc = gdk_win32_hdc_get (drawable, gc, mask);
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if (angle2 >= 360*64)
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{
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nXStartArc = nYStartArc = nXEndArc = nYEndArc = 0;
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}
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else if (angle2 > 0)
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{
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/* The 100. is just an arbitrary value */
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nXStartArc = x + width/2 + 100. * cos(angle1/64.*2.*G_PI/360.);
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nYStartArc = y + height/2 + -100. * sin(angle1/64.*2.*G_PI/360.);
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nXEndArc = x + width/2 + 100. * cos((angle1+angle2)/64.*2.*G_PI/360.);
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nYEndArc = y + height/2 + -100. * sin((angle1+angle2)/64.*2.*G_PI/360.);
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}
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else
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{
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nXEndArc = x + width/2 + 100. * cos(angle1/64.*2.*G_PI/360.);
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nYEndArc = y + height/2 + -100. * sin(angle1/64.*2.*G_PI/360.);
|
|
nXStartArc = x + width/2 + 100. * cos((angle1+angle2)/64.*2.*G_PI/360.);
|
|
nYStartArc = y + height/2 + -100. * sin((angle1+angle2)/64.*2.*G_PI/360.);
|
|
}
|
|
|
|
/* GDK_OPAQUE_STIPPLED arcs not implemented. */
|
|
|
|
if (filled)
|
|
{
|
|
GDK_NOTE (MISC, g_print ("...Pie(hdc,%d,%d,%d,%d,%d,%d,%d,%d)\n",
|
|
x, y, x+width, y+height,
|
|
nXStartArc, nYStartArc,
|
|
nXEndArc, nYEndArc));
|
|
if (!Pie (hdc, x, y, x+width, y+height,
|
|
nXStartArc, nYStartArc, nXEndArc, nYEndArc))
|
|
WIN32_GDI_FAILED ("Pie");
|
|
}
|
|
else
|
|
{
|
|
GDK_NOTE (MISC, g_print ("...Arc(hdc,%d,%d,%d,%d,%d,%d,%d,%d)\n",
|
|
x, y, x+width, y+height,
|
|
nXStartArc, nYStartArc,
|
|
nXEndArc, nYEndArc));
|
|
if (!Arc (hdc, x, y, x+width, y+height,
|
|
nXStartArc, nYStartArc, nXEndArc, nYEndArc))
|
|
WIN32_GDI_FAILED ("Arc");
|
|
}
|
|
gdk_win32_hdc_release (drawable, gc, mask);
|
|
}
|
|
|
|
static void
|
|
gdk_win32_draw_polygon (GdkDrawable *drawable,
|
|
GdkGC *gc,
|
|
gint filled,
|
|
GdkPoint *points,
|
|
gint npoints)
|
|
{
|
|
GdkGCWin32 *gc_private = GDK_GC_WIN32 (gc);
|
|
const GdkGCValuesMask mask = GDK_GC_FOREGROUND|GDK_GC_BACKGROUND;
|
|
HDC hdc;
|
|
POINT *pts;
|
|
gboolean ok = TRUE;
|
|
int i;
|
|
|
|
GDK_NOTE (MISC, g_print ("gdk_win32_draw_polygon: %s (%p) %d\n",
|
|
gdk_win32_drawable_description (drawable),
|
|
gc_private,
|
|
npoints));
|
|
|
|
if (npoints < 2)
|
|
return;
|
|
|
|
hdc = gdk_win32_hdc_get (drawable, gc, mask);
|
|
pts = g_new (POINT, npoints+1);
|
|
|
|
for (i = 0; i < npoints; i++)
|
|
{
|
|
pts[i].x = points[i].x;
|
|
pts[i].y = points[i].y;
|
|
}
|
|
|
|
if (gc_private->fill_style == GDK_OPAQUE_STIPPLED)
|
|
{
|
|
if (!BeginPath (hdc))
|
|
WIN32_GDI_FAILED ("BeginPath"), ok = FALSE;
|
|
|
|
if (ok)
|
|
MoveToEx (hdc, points[0].x, points[0].y, NULL);
|
|
|
|
if (pts[0].x == pts[npoints-1].x && pts[0].y == pts[npoints-1].y)
|
|
npoints--;
|
|
|
|
if (ok && !Polyline (hdc, pts, 4))
|
|
WIN32_GDI_FAILED ("Polyline"), ok = FALSE;
|
|
|
|
if (ok && !CloseFigure (hdc))
|
|
WIN32_GDI_FAILED ("CloseFigure"), ok = FALSE;
|
|
|
|
if (ok && !EndPath (hdc))
|
|
WIN32_GDI_FAILED ("EndPath"), ok = FALSE;
|
|
|
|
if (ok && !filled)
|
|
if (!WidenPath (hdc))
|
|
WIN32_GDI_FAILED ("WidenPath"), ok = FALSE;
|
|
|
|
if (ok && !FillPath (hdc))
|
|
WIN32_GDI_FAILED ("FillPath"), ok = FALSE;
|
|
}
|
|
else
|
|
{
|
|
if (points[0].x != points[npoints-1].x
|
|
|| points[0].y != points[npoints-1].y)
|
|
{
|
|
pts[npoints].x = points[0].x;
|
|
pts[npoints].y = points[0].y;
|
|
npoints++;
|
|
}
|
|
|
|
if (filled)
|
|
{
|
|
if (!Polygon (hdc, pts, npoints))
|
|
WIN32_GDI_FAILED ("Polygon");
|
|
}
|
|
else
|
|
{
|
|
if (!Polyline (hdc, pts, npoints))
|
|
WIN32_GDI_FAILED ("Polyline");
|
|
}
|
|
}
|
|
g_free (pts);
|
|
gdk_win32_hdc_release (drawable, gc, mask);
|
|
}
|
|
|
|
typedef struct
|
|
{
|
|
gint x, y;
|
|
HDC hdc;
|
|
} gdk_draw_text_arg;
|
|
|
|
static void
|
|
gdk_draw_text_handler (GdkWin32SingleFont *singlefont,
|
|
const wchar_t *wcstr,
|
|
int wclen,
|
|
void *arg)
|
|
{
|
|
HGDIOBJ oldfont;
|
|
SIZE size;
|
|
gdk_draw_text_arg *argp = (gdk_draw_text_arg *) arg;
|
|
|
|
if (!singlefont)
|
|
return;
|
|
|
|
if ((oldfont = SelectObject (argp->hdc, singlefont->hfont)) == NULL)
|
|
{
|
|
WIN32_GDI_FAILED ("SelectObject");
|
|
return;
|
|
}
|
|
|
|
if (!TextOutW (argp->hdc, argp->x, argp->y, wcstr, wclen))
|
|
WIN32_GDI_FAILED ("TextOutW");
|
|
GetTextExtentPoint32W (argp->hdc, wcstr, wclen, &size);
|
|
argp->x += size.cx;
|
|
|
|
SelectObject (argp->hdc, oldfont);
|
|
}
|
|
|
|
static void
|
|
gdk_win32_draw_text (GdkDrawable *drawable,
|
|
GdkFont *font,
|
|
GdkGC *gc,
|
|
gint x,
|
|
gint y,
|
|
const gchar *text,
|
|
gint text_length)
|
|
{
|
|
const GdkGCValuesMask mask = GDK_GC_FOREGROUND|GDK_GC_FONT;
|
|
wchar_t *wcstr, wc;
|
|
gint wlen;
|
|
gdk_draw_text_arg arg;
|
|
|
|
if (text_length == 0)
|
|
return;
|
|
|
|
g_assert (font->type == GDK_FONT_FONT || font->type == GDK_FONT_FONTSET);
|
|
|
|
arg.x = x;
|
|
arg.y = y;
|
|
arg.hdc = gdk_win32_hdc_get (drawable, gc, mask);
|
|
|
|
GDK_NOTE (MISC, g_print ("gdk_draw_text: %s (%d,%d) \"%.*s\" (len %d)\n",
|
|
gdk_win32_drawable_description (drawable),
|
|
x, y,
|
|
(text_length > 10 ? 10 : text_length),
|
|
text, text_length));
|
|
|
|
if (text_length == 1)
|
|
{
|
|
/* For single characters, don't try to interpret as UTF-8. */
|
|
wc = (guchar) text[0];
|
|
_gdk_wchar_text_handle (font, &wc, 1, gdk_draw_text_handler, &arg);
|
|
}
|
|
else
|
|
{
|
|
wcstr = g_new (wchar_t, text_length);
|
|
if ((wlen = _gdk_utf8_to_ucs2 (wcstr, text, text_length, text_length)) == -1)
|
|
g_warning ("gdk_win32_draw_text: _gdk_utf8_to_ucs2 failed");
|
|
else
|
|
_gdk_wchar_text_handle (font, wcstr, wlen, gdk_draw_text_handler, &arg);
|
|
g_free (wcstr);
|
|
}
|
|
|
|
|
|
gdk_win32_hdc_release (drawable, gc, mask);
|
|
}
|
|
|
|
static void
|
|
gdk_win32_draw_text_wc (GdkDrawable *drawable,
|
|
GdkFont *font,
|
|
GdkGC *gc,
|
|
gint x,
|
|
gint y,
|
|
const GdkWChar *text,
|
|
gint text_length)
|
|
{
|
|
const GdkGCValuesMask mask = GDK_GC_FOREGROUND|GDK_GC_FONT;
|
|
gint i;
|
|
wchar_t *wcstr;
|
|
gdk_draw_text_arg arg;
|
|
|
|
if (text_length == 0)
|
|
return;
|
|
|
|
g_assert (font->type == GDK_FONT_FONT || font->type == GDK_FONT_FONTSET);
|
|
|
|
arg.x = x;
|
|
arg.y = y;
|
|
arg.hdc = gdk_win32_hdc_get (drawable, gc, mask);
|
|
|
|
GDK_NOTE (MISC, g_print ("gdk_draw_text_wc: %s (%d,%d) len: %d\n",
|
|
gdk_win32_drawable_description (drawable),
|
|
x, y, text_length));
|
|
|
|
if (sizeof (wchar_t) != sizeof (GdkWChar))
|
|
{
|
|
wcstr = g_new (wchar_t, text_length);
|
|
for (i = 0; i < text_length; i++)
|
|
wcstr[i] = text[i];
|
|
}
|
|
else
|
|
wcstr = (wchar_t *) text;
|
|
|
|
_gdk_wchar_text_handle (font, wcstr, text_length,
|
|
gdk_draw_text_handler, &arg);
|
|
|
|
if (sizeof (wchar_t) != sizeof (GdkWChar))
|
|
g_free (wcstr);
|
|
|
|
gdk_win32_hdc_release (drawable, gc, mask);
|
|
}
|
|
|
|
static void
|
|
gdk_win32_draw_drawable (GdkDrawable *drawable,
|
|
GdkGC *gc,
|
|
GdkPixmap *src,
|
|
gint xsrc,
|
|
gint ysrc,
|
|
gint xdest,
|
|
gint ydest,
|
|
gint width,
|
|
gint height)
|
|
{
|
|
g_assert (GDK_IS_DRAWABLE_IMPL_WIN32 (drawable));
|
|
|
|
_gdk_win32_blit (FALSE, (GdkDrawableImplWin32 *) drawable,
|
|
gc, src, xsrc, ysrc,
|
|
xdest, ydest, width, height);
|
|
}
|
|
|
|
void
|
|
_gdk_win32_draw_tiles (GdkDrawable *drawable,
|
|
GdkGC *gc,
|
|
GdkPixmap *tile,
|
|
gint x_from,
|
|
gint y_from,
|
|
gint max_width,
|
|
gint max_height)
|
|
{
|
|
gint x = x_from, y = y_from;
|
|
gint tile_width, tile_height;
|
|
gint width, height;
|
|
|
|
GDK_NOTE (MISC, g_print ("_gdk_win32_draw_tiles: %s tile=%s +%d+%d %d,%d\n",
|
|
gdk_win32_drawable_description (drawable),
|
|
gdk_win32_drawable_description (tile),
|
|
x_from, y_from, max_width, max_height));
|
|
|
|
gdk_drawable_get_size (drawable, &width, &height);
|
|
gdk_drawable_get_size (tile, &tile_width, &tile_height);
|
|
|
|
width = MIN (width, max_width);
|
|
height = MIN (height, max_height);
|
|
|
|
tile_width = MIN (tile_width, max_width);
|
|
tile_height = MIN (tile_height, max_height);
|
|
|
|
while (y < height)
|
|
{
|
|
x = x_from;
|
|
while (x < width)
|
|
{
|
|
gdk_draw_drawable (drawable, gc, tile,
|
|
x % tile_width, /* xsrc */
|
|
y % tile_height, /* ysrc */
|
|
x, y, /* dest */
|
|
tile_width, tile_height);
|
|
x += tile_width;
|
|
}
|
|
y += tile_height;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gdk_win32_draw_points (GdkDrawable *drawable,
|
|
GdkGC *gc,
|
|
GdkPoint *points,
|
|
gint npoints)
|
|
{
|
|
HDC hdc;
|
|
COLORREF fg;
|
|
GdkGCWin32 *gc_private = GDK_GC_WIN32 (gc);
|
|
GdkDrawableImplWin32 *impl = GDK_DRAWABLE_IMPL_WIN32 (drawable);
|
|
int i;
|
|
|
|
hdc = gdk_win32_hdc_get (drawable, gc, 0);
|
|
|
|
fg = _gdk_win32_colormap_color (impl->colormap, gc_private->foreground);
|
|
|
|
GDK_NOTE (MISC, g_print ("gdk_draw_points: %s %dx%.06x\n",
|
|
gdk_win32_drawable_description (drawable),
|
|
npoints, (guint) fg));
|
|
|
|
for (i = 0; i < npoints; i++)
|
|
SetPixel (hdc, points[i].x, points[i].y, fg);
|
|
|
|
gdk_win32_hdc_release (drawable, gc, 0);
|
|
}
|
|
|
|
static void
|
|
gdk_win32_draw_segments (GdkDrawable *drawable,
|
|
GdkGC *gc,
|
|
GdkSegment *segs,
|
|
gint nsegs)
|
|
{
|
|
GdkGCWin32 *gc_private = GDK_GC_WIN32 (gc);
|
|
const GdkGCValuesMask mask = GDK_GC_FOREGROUND|GDK_GC_BACKGROUND;
|
|
HDC hdc;
|
|
gboolean ok = TRUE;
|
|
int i;
|
|
|
|
GDK_NOTE (MISC, g_print ("gdk_win32_draw_segments: %s nsegs: %d\n",
|
|
gdk_win32_drawable_description (drawable), nsegs));
|
|
|
|
hdc = gdk_win32_hdc_get (drawable, gc, mask);
|
|
|
|
if (gc_private->fill_style == GDK_OPAQUE_STIPPLED)
|
|
{
|
|
if (!BeginPath (hdc))
|
|
WIN32_GDI_FAILED ("BeginPath"), ok = FALSE;
|
|
|
|
for (i = 0; ok && i < nsegs; i++)
|
|
{
|
|
if (ok && !MoveToEx (hdc, segs[i].x1, segs[i].y1, NULL))
|
|
WIN32_GDI_FAILED ("MoveToEx"), ok = FALSE;
|
|
if (ok && !LineTo (hdc, segs[i].x2, segs[i].y2))
|
|
WIN32_GDI_FAILED ("LineTo"), ok = FALSE;
|
|
|
|
/* Draw end pixel */
|
|
if (ok && gc_private->pen_width <= 1)
|
|
if (!LineTo (hdc, segs[i].x2 + 1, segs[i].y2))
|
|
WIN32_GDI_FAILED ("LineTo"), ok = FALSE;
|
|
}
|
|
|
|
if (ok && !EndPath (hdc))
|
|
WIN32_GDI_FAILED ("EndPath"), ok = FALSE;
|
|
|
|
if (ok && !WidenPath (hdc))
|
|
WIN32_GDI_FAILED ("WidenPath"), ok = FALSE;
|
|
|
|
if (ok && !FillPath (hdc))
|
|
WIN32_GDI_FAILED ("FillPath"), ok = FALSE;
|
|
}
|
|
else
|
|
{
|
|
if (gc_private->pen_dashes && !IS_WIN_NT ())
|
|
{
|
|
/* code very similar to the IMHO questionable optimization
|
|
* below. This one draws dashed vertical/horizontal lines
|
|
* with the limited Win9x GDI. --hb
|
|
*/
|
|
for (i = 0; ok && i < nsegs; i++)
|
|
{
|
|
if (segs[i].x1 == segs[i].x2)
|
|
{
|
|
int y1, y2;
|
|
|
|
if (segs[i].y1 <= segs[i].y2)
|
|
y1 = segs[i].y1, y2 = segs[i].y2;
|
|
else
|
|
y1 = segs[i].y2, y2 = segs[i].y1;
|
|
|
|
ok = render_line_vertical (hdc,
|
|
segs[i].x1, y1, y2,
|
|
gc_private->pen_width,
|
|
gc_private->pen_dashes,
|
|
gc_private->pen_num_dashes);
|
|
}
|
|
else if (segs[i].y1 == segs[i].y2)
|
|
{
|
|
int x1, x2;
|
|
|
|
if (segs[i].x1 <= segs[i].x2)
|
|
x1 = segs[i].x1, x2 = segs[i].x2;
|
|
else
|
|
x1 = segs[i].x2, x2 = segs[i].x1;
|
|
|
|
ok = render_line_horizontal (hdc,
|
|
x1, x2, segs[i].y1,
|
|
gc_private->pen_width,
|
|
gc_private->pen_dashes,
|
|
gc_private->pen_num_dashes);
|
|
}
|
|
else
|
|
{
|
|
if (!MoveToEx (hdc, segs[i].x1, segs[i].y1, NULL))
|
|
WIN32_GDI_FAILED ("MoveToEx"), ok = FALSE;
|
|
if (ok && !LineTo (hdc, segs[i].x2, segs[i].y2))
|
|
WIN32_GDI_FAILED ("LineTo"), ok = FALSE;
|
|
|
|
/* Draw end pixel */
|
|
if (ok && gc_private->pen_width <= 1)
|
|
if (!LineTo (hdc, segs[i].x2 + 1, segs[i].y2))
|
|
WIN32_GDI_FAILED ("LineTo"), ok = FALSE;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
const gboolean maybe_patblt =
|
|
gc_private->rop2 == R2_COPYPEN &&
|
|
gc_private->pen_width <= 1 &&
|
|
(gc_private->pen_style & PS_STYLE_MASK) == PS_SOLID;
|
|
|
|
for (i = 0; ok && i < nsegs; i++)
|
|
{
|
|
/* PatBlt() is much faster than LineTo(), says
|
|
* jpe@archaeopteryx.com. Hmm. Use it if we have a solid
|
|
* colour pen, then we know that the brush is also solid and
|
|
* of the same colour.
|
|
*/
|
|
if (maybe_patblt && segs[i].x1 == segs[i].x2)
|
|
{
|
|
int y1, y2;
|
|
|
|
if (segs[i].y1 <= segs[i].y2)
|
|
y1 = segs[i].y1, y2 = segs[i].y2;
|
|
else
|
|
y1 = segs[i].y2, y2 = segs[i].y1;
|
|
|
|
if (!PatBlt (hdc, segs[i].x1, y1,
|
|
1, y2 - y1 + 1, PATCOPY))
|
|
WIN32_GDI_FAILED ("PatBlt"), ok = FALSE;
|
|
}
|
|
else if (maybe_patblt && segs[i].y1 == segs[i].y2)
|
|
{
|
|
int x1, x2;
|
|
|
|
if (segs[i].x1 <= segs[i].x2)
|
|
x1 = segs[i].x1, x2 = segs[i].x2;
|
|
else
|
|
x1 = segs[i].x2, x2 = segs[i].x1;
|
|
|
|
if (!PatBlt (hdc, x1, segs[i].y1,
|
|
x2 - x1 + 1, 1, PATCOPY))
|
|
WIN32_GDI_FAILED ("PatBlt"), ok = FALSE;
|
|
}
|
|
else
|
|
{
|
|
if (!MoveToEx (hdc, segs[i].x1, segs[i].y1, NULL))
|
|
WIN32_GDI_FAILED ("MoveToEx"), ok = FALSE;
|
|
if (ok && !LineTo (hdc, segs[i].x2, segs[i].y2))
|
|
WIN32_GDI_FAILED ("LineTo"), ok = FALSE;
|
|
|
|
/* Draw end pixel */
|
|
if (ok && gc_private->pen_width <= 1)
|
|
if (!LineTo (hdc, segs[i].x2 + 1, segs[i].y2))
|
|
WIN32_GDI_FAILED ("LineTo"), ok = FALSE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
gdk_win32_hdc_release (drawable, gc, mask);
|
|
}
|
|
|
|
static void
|
|
gdk_win32_draw_lines (GdkDrawable *drawable,
|
|
GdkGC *gc,
|
|
GdkPoint *points,
|
|
gint npoints)
|
|
{
|
|
GdkGCWin32 *gc_private = GDK_GC_WIN32 (gc);
|
|
const GdkGCValuesMask mask = GDK_GC_FOREGROUND|GDK_GC_BACKGROUND;
|
|
HDC hdc;
|
|
POINT *pts;
|
|
int i;
|
|
gboolean ok = TRUE;
|
|
|
|
if (npoints < 2)
|
|
return;
|
|
|
|
hdc = gdk_win32_hdc_get (drawable, gc, mask);
|
|
|
|
if (gc_private->pen_dashes && !IS_WIN_NT ())
|
|
{
|
|
for (i = 0; i < npoints - 1; i++)
|
|
{
|
|
if (points[i].x == points[i+1].x)
|
|
{
|
|
int y1, y2;
|
|
if (points[i].y > points[i+1].y)
|
|
y1 = points[i+1].y, y2 = points[i].y;
|
|
else
|
|
y1 = points[i].y, y2 = points[i+1].y;
|
|
|
|
render_line_vertical (hdc, points[i].x, y1, y2,
|
|
gc_private->pen_width,
|
|
gc_private->pen_dashes,
|
|
gc_private->pen_num_dashes);
|
|
}
|
|
else if (points[i].y == points[i+1].y)
|
|
{
|
|
int x1, x2;
|
|
if (points[i].x > points[i+1].x)
|
|
x1 = points[i+1].x, x2 = points[i].x;
|
|
else
|
|
x1 = points[i].x, x2 = points[i+1].x;
|
|
|
|
render_line_horizontal (hdc, x1, x2, points[i].y,
|
|
gc_private->pen_width,
|
|
gc_private->pen_dashes,
|
|
gc_private->pen_num_dashes);
|
|
}
|
|
else
|
|
{
|
|
if (!MoveToEx (hdc, points[i].x, points[i].y, NULL))
|
|
WIN32_GDI_FAILED ("MoveToEx"), ok = FALSE;
|
|
if (ok && !LineTo (hdc, points[i+1].x, points[i+1].y))
|
|
WIN32_GDI_FAILED ("LineTo"), ok = FALSE;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
pts = g_new (POINT, npoints);
|
|
|
|
for (i = 0; i < npoints; i++)
|
|
{
|
|
pts[i].x = points[i].x;
|
|
pts[i].y = points[i].y;
|
|
}
|
|
|
|
if (!Polyline (hdc, pts, npoints))
|
|
WIN32_GDI_FAILED ("Polyline"), ok = FALSE;
|
|
|
|
g_free (pts);
|
|
|
|
/* Draw end pixel */
|
|
if (ok && gc_private->pen_width <= 1)
|
|
{
|
|
MoveToEx (hdc, points[npoints-1].x, points[npoints-1].y, NULL);
|
|
if (!LineTo (hdc, points[npoints-1].x + 1, points[npoints-1].y))
|
|
WIN32_GDI_FAILED ("LineTo");
|
|
}
|
|
}
|
|
|
|
gdk_win32_hdc_release (drawable, gc, mask);
|
|
}
|
|
|
|
static void
|
|
gdk_win32_draw_glyphs (GdkDrawable *drawable,
|
|
GdkGC *gc,
|
|
PangoFont *font,
|
|
gint x,
|
|
gint y,
|
|
PangoGlyphString *glyphs)
|
|
{
|
|
const GdkGCValuesMask mask = GDK_GC_FOREGROUND;
|
|
HDC hdc;
|
|
|
|
hdc = gdk_win32_hdc_get (drawable, gc, mask);
|
|
|
|
/* HB: Maybe there should be a GDK_GC_PANGO flag for hdc_get */
|
|
/* default write mode is transparent (leave background) */
|
|
if (SetBkMode (hdc, TRANSPARENT) == 0)
|
|
WIN32_GDI_FAILED ("SetBkMode");
|
|
|
|
if (GDI_ERROR == SetTextAlign (hdc, TA_LEFT|TA_BASELINE|TA_NOUPDATECP))
|
|
WIN32_GDI_FAILED ("SetTextAlign");
|
|
|
|
pango_win32_render (hdc, font, glyphs, x, y);
|
|
|
|
gdk_win32_hdc_release (drawable, gc, mask);
|
|
}
|
|
|
|
static void
|
|
blit_from_pixmap (gboolean use_fg_bg,
|
|
GdkDrawableImplWin32 *dest,
|
|
HDC hdc,
|
|
GdkPixmapImplWin32 *src,
|
|
GdkGCWin32 *gcwin32,
|
|
gint xsrc,
|
|
gint ysrc,
|
|
gint xdest,
|
|
gint ydest,
|
|
gint width,
|
|
gint height)
|
|
{
|
|
HDC srcdc;
|
|
HBITMAP holdbitmap;
|
|
RGBQUAD oldtable[256], newtable[256];
|
|
COLORREF bg, fg;
|
|
|
|
gint newtable_size = 0, oldtable_size = 0;
|
|
gboolean ok = TRUE;
|
|
|
|
GDK_NOTE (MISC, g_print ("blit_from_pixmap\n"));
|
|
|
|
if (!(srcdc = CreateCompatibleDC (NULL)))
|
|
{
|
|
WIN32_GDI_FAILED ("CreateCompatibleDC");
|
|
return;
|
|
}
|
|
|
|
if (!(holdbitmap = SelectObject (srcdc, ((GdkDrawableImplWin32 *) src)->handle)))
|
|
WIN32_GDI_FAILED ("SelectObject");
|
|
else
|
|
{
|
|
if (src->image->depth <= 8)
|
|
{
|
|
/* Blitting from a 1, 4 or 8-bit pixmap */
|
|
|
|
if ((oldtable_size = GetDIBColorTable (srcdc, 0, 256, oldtable)) == 0)
|
|
WIN32_GDI_FAILED ("GetDIBColorTable");
|
|
else if (src->image->depth == 1)
|
|
{
|
|
/* Blitting from an 1-bit pixmap */
|
|
|
|
gint bgix, fgix;
|
|
|
|
if (use_fg_bg)
|
|
{
|
|
bgix = gcwin32->background;
|
|
fgix = gcwin32->foreground;
|
|
}
|
|
else
|
|
{
|
|
bgix = 0;
|
|
fgix = 1;
|
|
}
|
|
|
|
if (GDK_IS_PIXMAP_IMPL_WIN32 (dest) &&
|
|
((GdkPixmapImplWin32 *) dest)->image->depth <= 8)
|
|
{
|
|
/* Destination is also pixmap, get fg and bg from
|
|
* its palette. Either use the foreground and
|
|
* background pixel values in the GC (only in the
|
|
* case of gdk_image_put(), cf. XPutImage()), or 0
|
|
* and 1 to index the palette.
|
|
*/
|
|
if (!GetDIBColorTable (hdc, bgix, 1, newtable) ||
|
|
!GetDIBColorTable (hdc, fgix, 1, newtable+1))
|
|
WIN32_GDI_FAILED ("GetDIBColorTable"), ok = FALSE;
|
|
}
|
|
else
|
|
{
|
|
/* Destination is a window, get fg and bg from its
|
|
* colormap
|
|
*/
|
|
|
|
bg = _gdk_win32_colormap_color (dest->colormap, bgix);
|
|
fg = _gdk_win32_colormap_color (dest->colormap, fgix);
|
|
newtable[0].rgbBlue = GetBValue (bg);
|
|
newtable[0].rgbGreen = GetGValue (bg);
|
|
newtable[0].rgbRed = GetRValue (bg);
|
|
newtable[0].rgbReserved = 0;
|
|
newtable[1].rgbBlue = GetBValue (fg);
|
|
newtable[1].rgbGreen = GetGValue (fg);
|
|
newtable[1].rgbRed = GetRValue (fg);
|
|
newtable[1].rgbReserved = 0;
|
|
}
|
|
if (ok)
|
|
GDK_NOTE (MISC, g_print ("bg: %02x %02x %02x "
|
|
"fg: %02x %02x %02x\n",
|
|
newtable[0].rgbRed,
|
|
newtable[0].rgbGreen,
|
|
newtable[0].rgbBlue,
|
|
newtable[1].rgbRed,
|
|
newtable[1].rgbGreen,
|
|
newtable[1].rgbBlue));
|
|
newtable_size = 2;
|
|
}
|
|
else if (GDK_IS_PIXMAP_IMPL_WIN32 (dest))
|
|
{
|
|
/* Destination is pixmap, get its color table */
|
|
|
|
if ((newtable_size = GetDIBColorTable (hdc, 0, 256, newtable)) == 0)
|
|
WIN32_GDI_FAILED ("GetDIBColorTable"), ok = FALSE;
|
|
}
|
|
|
|
/* If blitting between pixmaps, set source's color table */
|
|
if (ok && newtable_size > 0)
|
|
{
|
|
GDK_NOTE (MISC_OR_COLORMAP,
|
|
g_print ("blit_from_pixmap: set color table"
|
|
" hdc=%p count=%d\n",
|
|
srcdc, newtable_size));
|
|
if (!SetDIBColorTable (srcdc, 0, newtable_size, newtable))
|
|
WIN32_GDI_FAILED ("SetDIBColorTable"), ok = FALSE;
|
|
}
|
|
}
|
|
|
|
if (ok && !BitBlt (hdc, xdest, ydest, width, height,
|
|
srcdc, xsrc, ysrc, SRCCOPY))
|
|
WIN32_GDI_FAILED ("BitBlt");
|
|
|
|
/* Restore source's color table if necessary */
|
|
if (ok && newtable_size > 0 && oldtable_size > 0)
|
|
{
|
|
GDK_NOTE (MISC_OR_COLORMAP,
|
|
g_print ("blit_from_pixmap: reset color table"
|
|
" hdc=%p count=%d\n",
|
|
srcdc, oldtable_size));
|
|
if (!SetDIBColorTable (srcdc, 0, oldtable_size, oldtable))
|
|
WIN32_GDI_FAILED ("SetDIBColorTable");
|
|
}
|
|
|
|
if (!SelectObject (srcdc, holdbitmap))
|
|
WIN32_GDI_FAILED ("SelectObject");
|
|
}
|
|
if (!DeleteDC (srcdc))
|
|
WIN32_GDI_FAILED ("DeleteDC");
|
|
}
|
|
|
|
static void
|
|
blit_inside_window (GdkDrawableImplWin32 *window,
|
|
HDC hdc,
|
|
gint xsrc,
|
|
gint ysrc,
|
|
gint xdest,
|
|
gint ydest,
|
|
gint width,
|
|
gint height)
|
|
|
|
{
|
|
RECT scrollRect, clipRect, emptyRect;
|
|
HRGN updateRgn;
|
|
|
|
GDK_NOTE (MISC, g_print ("blit_inside_window\n"));
|
|
|
|
scrollRect.left = MIN (xsrc, xdest);
|
|
scrollRect.top = MIN (ysrc, ydest);
|
|
scrollRect.right = MAX (xsrc + width + 1, xdest + width + 1);
|
|
scrollRect.bottom = MAX (ysrc + height + 1, ydest + height + 1);
|
|
|
|
clipRect.left = xdest;
|
|
clipRect.top = ydest;
|
|
clipRect.right = xdest + width + 1;
|
|
clipRect.bottom = ydest + height + 1;
|
|
|
|
SetRectEmpty (&emptyRect);
|
|
updateRgn = CreateRectRgnIndirect (&emptyRect);
|
|
if (!ScrollDC (hdc, xdest - xsrc, ydest - ysrc,
|
|
&scrollRect, &clipRect,
|
|
updateRgn, NULL))
|
|
WIN32_GDI_FAILED ("ScrollDC");
|
|
else if (!InvalidateRgn (window->handle, updateRgn, FALSE))
|
|
WIN32_GDI_FAILED ("InvalidateRgn");
|
|
else if (!UpdateWindow (window->handle))
|
|
WIN32_GDI_FAILED ("UpdateWindow");
|
|
|
|
if (!DeleteObject (updateRgn))
|
|
WIN32_GDI_FAILED ("DeleteObject");
|
|
}
|
|
|
|
static void
|
|
blit_from_window (HDC hdc,
|
|
GdkDrawableImplWin32 *src,
|
|
gint xsrc,
|
|
gint ysrc,
|
|
gint xdest,
|
|
gint ydest,
|
|
gint width,
|
|
gint height)
|
|
{
|
|
HDC srcdc;
|
|
HPALETTE holdpal = NULL;
|
|
GdkColormap *cmap = gdk_colormap_get_system ();
|
|
|
|
GDK_NOTE (MISC, g_print ("blit_from_window\n"));
|
|
|
|
if ((srcdc = GetDC (src->handle)) == NULL)
|
|
{
|
|
WIN32_GDI_FAILED ("GetDC");
|
|
return;
|
|
}
|
|
|
|
if (cmap->visual->type == GDK_VISUAL_PSEUDO_COLOR ||
|
|
cmap->visual->type == GDK_VISUAL_STATIC_COLOR)
|
|
{
|
|
gint k;
|
|
|
|
if (!(holdpal = SelectPalette (srcdc, GDK_WIN32_COLORMAP_DATA (cmap)->hpal, FALSE)))
|
|
WIN32_GDI_FAILED ("SelectPalette");
|
|
else if ((k = RealizePalette (srcdc)) == GDI_ERROR)
|
|
WIN32_GDI_FAILED ("RealizePalette");
|
|
else if (k > 0)
|
|
GDK_NOTE (MISC_OR_COLORMAP,
|
|
g_print ("blit_from_window: realized %d\n", k));
|
|
}
|
|
|
|
if (!BitBlt (hdc, xdest, ydest, width, height,
|
|
srcdc, xsrc, ysrc, SRCCOPY))
|
|
WIN32_GDI_FAILED ("BitBlt");
|
|
|
|
if (holdpal != NULL)
|
|
SelectPalette (srcdc, holdpal, FALSE);
|
|
|
|
if (!ReleaseDC (src->handle, srcdc))
|
|
WIN32_GDI_FAILED ("ReleaseDC");
|
|
}
|
|
|
|
void
|
|
_gdk_win32_blit (gboolean use_fg_bg,
|
|
GdkDrawableImplWin32 *drawable,
|
|
GdkGC *gc,
|
|
GdkDrawable *src,
|
|
gint xsrc,
|
|
gint ysrc,
|
|
gint xdest,
|
|
gint ydest,
|
|
gint width,
|
|
gint height)
|
|
{
|
|
HDC hdc;
|
|
HRGN src_rgn, draw_rgn, outside_rgn;
|
|
RECT r;
|
|
GdkDrawableImplWin32 *draw_impl;
|
|
GdkDrawableImplWin32 *src_impl = NULL;
|
|
gint src_width, src_height;
|
|
|
|
GDK_NOTE (MISC, g_print ("_gdk_win32_blit: src:%s %dx%d@+%d+%d\n"
|
|
" dst:%s @+%d+%d use_fg_bg=%d\n",
|
|
gdk_win32_drawable_description (src),
|
|
width, height, xsrc, ysrc,
|
|
gdk_win32_drawable_description ((GdkDrawable *) drawable),
|
|
xdest, ydest,
|
|
use_fg_bg));
|
|
|
|
draw_impl = (GdkDrawableImplWin32 *) drawable;
|
|
|
|
if (GDK_IS_DRAWABLE_IMPL_WIN32 (src))
|
|
src_impl = (GdkDrawableImplWin32 *) src;
|
|
else if (GDK_IS_WINDOW (src))
|
|
src_impl = (GdkDrawableImplWin32 *) GDK_WINDOW_OBJECT (src)->impl;
|
|
else if (GDK_IS_PIXMAP (src))
|
|
src_impl = (GdkDrawableImplWin32 *) GDK_PIXMAP_OBJECT (src)->impl;
|
|
else
|
|
g_assert_not_reached ();
|
|
|
|
hdc = gdk_win32_hdc_get ((GdkDrawable *) drawable, gc, GDK_GC_FOREGROUND);
|
|
|
|
gdk_drawable_get_size (src, &src_width, &src_height);
|
|
|
|
if ((src_rgn = CreateRectRgn (0, 0, src_width + 1, src_height + 1)) == NULL)
|
|
WIN32_GDI_FAILED ("CreateRectRgn");
|
|
else if ((draw_rgn = CreateRectRgn (xsrc, ysrc,
|
|
xsrc + width + 1,
|
|
ysrc + height + 1)) == NULL)
|
|
WIN32_GDI_FAILED ("CreateRectRgn");
|
|
else
|
|
{
|
|
if (GDK_IS_WINDOW_IMPL_WIN32 (draw_impl))
|
|
{
|
|
int comb;
|
|
|
|
/* If we are drawing on a window, calculate the region that is
|
|
* outside the source pixmap, and invalidate that, causing it to
|
|
* be cleared. Not completely sure whether this is always needed. XXX
|
|
*/
|
|
SetRectEmpty (&r);
|
|
outside_rgn = CreateRectRgnIndirect (&r);
|
|
|
|
if ((comb = CombineRgn (outside_rgn,
|
|
draw_rgn, src_rgn,
|
|
RGN_DIFF)) == ERROR)
|
|
WIN32_GDI_FAILED ("CombineRgn");
|
|
else if (comb != NULLREGION)
|
|
{
|
|
OffsetRgn (outside_rgn, xdest, ydest);
|
|
GDK_NOTE (MISC, (GetRgnBox (outside_rgn, &r),
|
|
g_print ("...calling InvalidateRgn, "
|
|
"bbox: %ldx%ld@+%ld+%ld\n",
|
|
r.right - r.left - 1, r.bottom - r.top - 1,
|
|
r.left, r.top)));
|
|
InvalidateRgn (draw_impl->handle, outside_rgn, TRUE);
|
|
}
|
|
DeleteObject (outside_rgn);
|
|
}
|
|
|
|
#if 1 /* Don't know if this is necessary XXX */
|
|
if (CombineRgn (draw_rgn, draw_rgn, src_rgn, RGN_AND) == COMPLEXREGION)
|
|
g_warning ("gdk_win32_blit: CombineRgn returned a COMPLEXREGION");
|
|
|
|
GetRgnBox (draw_rgn, &r);
|
|
if (r.left != xsrc || r.top != ysrc ||
|
|
r.right != xsrc + width + 1 || r.bottom != ysrc + height + 1)
|
|
{
|
|
xdest += r.left - xsrc;
|
|
xsrc = r.left;
|
|
ydest += r.top - ysrc;
|
|
ysrc = r.top;
|
|
width = r.right - xsrc - 1;
|
|
height = r.bottom - ysrc - 1;
|
|
|
|
GDK_NOTE (MISC, g_print ("... restricted to src: %dx%d@+%d+%d, "
|
|
"dest: @+%d+%d\n",
|
|
width, height, xsrc, ysrc,
|
|
xdest, ydest));
|
|
}
|
|
#endif
|
|
|
|
DeleteObject (src_rgn);
|
|
DeleteObject (draw_rgn);
|
|
}
|
|
|
|
if (GDK_IS_PIXMAP_IMPL_WIN32 (src_impl))
|
|
blit_from_pixmap (use_fg_bg, draw_impl, hdc,
|
|
(GdkPixmapImplWin32 *) src_impl, GDK_GC_WIN32 (gc),
|
|
xsrc, ysrc, xdest, ydest, width, height);
|
|
else if (draw_impl->handle == src_impl->handle)
|
|
blit_inside_window (src_impl, hdc, xsrc, ysrc, xdest, ydest, width, height);
|
|
else
|
|
blit_from_window (hdc, src_impl, xsrc, ysrc, xdest, ydest, width, height);
|
|
gdk_win32_hdc_release ((GdkDrawable *) drawable, gc, GDK_GC_FOREGROUND);
|
|
}
|
|
|
|
static void
|
|
gdk_win32_draw_image (GdkDrawable *drawable,
|
|
GdkGC *gc,
|
|
GdkImage *image,
|
|
gint xsrc,
|
|
gint ysrc,
|
|
gint xdest,
|
|
gint ydest,
|
|
gint width,
|
|
gint height)
|
|
{
|
|
g_assert (GDK_IS_DRAWABLE_IMPL_WIN32 (drawable));
|
|
|
|
_gdk_win32_blit (TRUE, (GdkDrawableImplWin32 *) drawable,
|
|
gc, (GdkPixmap *) image->windowing_data,
|
|
xsrc, ysrc, xdest, ydest, width, height);
|
|
}
|
|
|
|
static gint
|
|
gdk_win32_get_depth (GdkDrawable *drawable)
|
|
{
|
|
/* This is a bit bogus but I'm not sure the other way is better */
|
|
|
|
return gdk_drawable_get_depth (GDK_DRAWABLE_IMPL_WIN32 (drawable)->wrapper);
|
|
}
|
|
|
|
static GdkScreen*
|
|
gdk_win32_get_screen (GdkDrawable *drawable)
|
|
{
|
|
return gdk_screen_get_default ();
|
|
}
|
|
|
|
static GdkVisual*
|
|
gdk_win32_get_visual (GdkDrawable *drawable)
|
|
{
|
|
return gdk_drawable_get_visual (GDK_DRAWABLE_IMPL_WIN32 (drawable)->wrapper);
|
|
}
|
|
|
|
HGDIOBJ
|
|
gdk_win32_drawable_get_handle (GdkDrawable *drawable)
|
|
{
|
|
return GDK_DRAWABLE_HANDLE (drawable);
|
|
}
|