AuroraMiddleware/gtk
1
0
Fork 1
mirror of https://gitlab.gnome.org/GNOME/gtk.git synced 2024-09-30 02:57:38 +00:00
Code Issues Projects Releases Wiki Activity
8098546227
gtk/gdk/x11/gdkdrawable-x11.c
Owen Taylor 8098546227 Merge no-flicker branch into HEAD
2000-03-28 01:24:44 +00:00

474 lines
13 KiB
C
Raw Blame History

/* GDK - The GIMP Drawing Kit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* Modified by the GTK+ Team and others 1997-1999. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#include "gdkprivate-x11.h"
static void gdk_x11_drawable_destroy (GdkDrawable *drawable);
static void gdk_x11_draw_rectangle (GdkDrawable *drawable,
GdkGC *gc,
gint filled,
gint x,
gint y,
gint width,
gint height);
static void gdk_x11_draw_arc (GdkDrawable *drawable,
GdkGC *gc,
gint filled,
gint x,
gint y,
gint width,
gint height,
gint angle1,
gint angle2);
static void gdk_x11_draw_polygon (GdkDrawable *drawable,
GdkGC *gc,
gint filled,
GdkPoint *points,
gint npoints);
static void gdk_x11_draw_text (GdkDrawable *drawable,
GdkFont *font,
GdkGC *gc,
gint x,
gint y,
const gchar *text,
gint text_length);
static void gdk_x11_draw_text_wc (GdkDrawable *drawable,
GdkFont *font,
GdkGC *gc,
gint x,
gint y,
const GdkWChar *text,
gint text_length);
static void gdk_x11_draw_drawable (GdkDrawable *drawable,
GdkGC *gc,
GdkPixmap *src,
gint xsrc,
gint ysrc,
gint xdest,
gint ydest,
gint width,
gint height);
static void gdk_x11_draw_points (GdkDrawable *drawable,
GdkGC *gc,
GdkPoint *points,
gint npoints);
static void gdk_x11_draw_segments (GdkDrawable *drawable,
GdkGC *gc,
GdkSegment *segs,
gint nsegs);
static void gdk_x11_draw_lines (GdkDrawable *drawable,
GdkGC *gc,
GdkPoint *points,
gint npoints);
GdkDrawableClass _gdk_x11_drawable_class = {
gdk_x11_drawable_destroy,
_gdk_x11_gc_new,
gdk_x11_draw_rectangle,
gdk_x11_draw_arc,
gdk_x11_draw_polygon,
gdk_x11_draw_text,
gdk_x11_draw_text_wc,
gdk_x11_draw_drawable,
gdk_x11_draw_points,
gdk_x11_draw_segments,
gdk_x11_draw_lines
};
/*****************************************************
* X11 specific implementations of generic functions *
*****************************************************/
GdkColormap*
gdk_drawable_get_colormap (GdkDrawable *drawable)
{
GdkDrawablePrivate *drawable_private;
XWindowAttributes window_attributes;
g_return_val_if_fail (drawable != NULL, NULL);
drawable_private = (GdkDrawablePrivate*) drawable;
if (!GDK_DRAWABLE_DESTROYED (drawable))
{
if (drawable_private->colormap == NULL &&
GDK_IS_WINDOW (drawable))
{
XGetWindowAttributes (GDK_DRAWABLE_XDISPLAY (drawable),
GDK_DRAWABLE_XID (drawable),
&window_attributes);
drawable_private->colormap = gdk_colormap_lookup (window_attributes.colormap);
}
return drawable_private->colormap;
}
return NULL;
}
void
gdk_drawable_set_colormap (GdkDrawable *drawable,
GdkColormap *colormap)
{
GdkDrawablePrivate *drawable_private;
GdkColormapPrivateX *colormap_private;
g_return_if_fail (drawable != NULL);
g_return_if_fail (colormap != NULL);
drawable_private = (GdkDrawablePrivate *)drawable;
colormap_private = (GdkColormapPrivateX *)colormap;
if (!GDK_DRAWABLE_DESTROYED (drawable))
{
if (GDK_IS_WINDOW (drawable))
{
g_return_if_fail (colormap_private->base.visual !=
((GdkColormapPrivate *)(drawable_private->colormap))->visual);
XSetWindowColormap (GDK_DRAWABLE_XDISPLAY (drawable),
GDK_DRAWABLE_XID (drawable),
colormap_private->xcolormap);
}
if (drawable_private->colormap)
gdk_colormap_unref (drawable_private->colormap);
drawable_private->colormap = colormap;
gdk_colormap_ref (drawable_private->colormap);
if (GDK_IS_WINDOW (drawable) &&
drawable_private->window_type != GDK_WINDOW_TOPLEVEL)
gdk_window_add_colormap_windows (drawable);
}
}
/* Drawing
*/
static void
gdk_x11_drawable_destroy (GdkDrawable *drawable)
{
}
static void
gdk_x11_draw_rectangle (GdkDrawable *drawable,
GdkGC *gc,
gint filled,
gint x,
gint y,
gint width,
gint height)
{
if (filled)
XFillRectangle (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
GDK_GC_GET_XGC (gc), x, y, width, height);
else
XDrawRectangle (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
GDK_GC_GET_XGC (gc), x, y, width, height);
}
static void
gdk_x11_draw_arc (GdkDrawable *drawable,
GdkGC *gc,
gint filled,
gint x,
gint y,
gint width,
gint height,
gint angle1,
gint angle2)
{
if (filled)
XFillArc (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
GDK_GC_GET_XGC (gc), x, y, width, height, angle1, angle2);
else
XDrawArc (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
GDK_GC_GET_XGC (gc), x, y, width, height, angle1, angle2);
}
static void
gdk_x11_draw_polygon (GdkDrawable *drawable,
GdkGC *gc,
gint filled,
GdkPoint *points,
gint npoints)
{
XPoint *tmp_points;
gint tmp_npoints, i;
if (!filled &&
(points[0].x != points[npoints-1].x || points[0].y != points[npoints-1].y))
{
tmp_npoints = npoints + 1;
tmp_points = g_new (XPoint, tmp_npoints);
tmp_points[npoints].x = points[0].x;
tmp_points[npoints].y = points[0].y;
}
else
{
tmp_npoints = npoints;
tmp_points = g_new (XPoint, tmp_npoints);
}
for (i=0; i<npoints; i++)
{
tmp_points[i].x = points[i].x;
tmp_points[i].y = points[i].y;
}
if (filled)
XFillPolygon (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
GDK_GC_GET_XGC (gc), tmp_points, tmp_npoints, Complex, CoordModeOrigin);
else
XDrawLines (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
GDK_GC_GET_XGC (gc), tmp_points, tmp_npoints, CoordModeOrigin);
g_free (tmp_points);
}
/* gdk_x11_draw_text
*
* Modified by Li-Da Lho to draw 16 bits and Multibyte strings
*
* Interface changed: add "GdkFont *font" to specify font or fontset explicitely
*/
static void
gdk_x11_draw_text (GdkDrawable *drawable,
GdkFont *font,
GdkGC *gc,
gint x,
gint y,
const gchar *text,
gint text_length)
{
if (font->type == GDK_FONT_FONT)
{
XFontStruct *xfont = (XFontStruct *) GDK_FONT_XFONT (font);
XSetFont(GDK_DRAWABLE_XDISPLAY (drawable), GDK_GC_GET_XGC (gc), xfont->fid);
if ((xfont->min_byte1 == 0) && (xfont->max_byte1 == 0))
{
XDrawString (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
GDK_GC_GET_XGC (gc), x, y, text, text_length);
}
else
{
XDrawString16 (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
GDK_GC_GET_XGC (gc), x, y, (XChar2b *) text, text_length / 2);
}
}
else if (font->type == GDK_FONT_FONTSET)
{
XFontSet fontset = (XFontSet) GDK_FONT_XFONT (font);
XmbDrawString (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
fontset, GDK_GC_GET_XGC (gc), x, y, text, text_length);
}
else
g_error("undefined font type\n");
}
static void
gdk_x11_draw_text_wc (GdkDrawable *drawable,
GdkFont *font,
GdkGC *gc,
gint x,
gint y,
const GdkWChar *text,
gint text_length)
{
if (font->type == GDK_FONT_FONT)
{
XFontStruct *xfont = (XFontStruct *) GDK_FONT_XFONT (font);
gchar *text_8bit;
gint i;
XSetFont(GDK_DRAWABLE_XDISPLAY (drawable), GDK_GC_GET_XGC (gc), xfont->fid);
text_8bit = g_new (gchar, text_length);
for (i=0; i<text_length; i++) text_8bit[i] = text[i];
XDrawString (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
GDK_GC_GET_XGC (gc), x, y, text_8bit, text_length);
g_free (text_8bit);
}
else if (font->type == GDK_FONT_FONTSET)
{
if (sizeof(GdkWChar) == sizeof(wchar_t))
{
XwcDrawString (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
(XFontSet) GDK_FONT_XFONT (font),
GDK_GC_GET_XGC (gc), x, y, (wchar_t *)text, text_length);
}
else
{
wchar_t *text_wchar;
gint i;
text_wchar = g_new (wchar_t, text_length);
for (i=0; i<text_length; i++) text_wchar[i] = text[i];
XwcDrawString (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
(XFontSet) GDK_FONT_XFONT (font),
GDK_GC_GET_XGC (gc), x, y, text_wchar, text_length);
g_free (text_wchar);
}
}
else
g_error("undefined font type\n");
}
static void
gdk_x11_draw_drawable (GdkDrawable *drawable,
GdkGC *gc,
GdkPixmap *src,
gint xsrc,
gint ysrc,
gint xdest,
gint ydest,
gint width,
gint height)
{
int src_depth = gdk_drawable_get_depth (src);
int dest_depth = gdk_drawable_get_depth (drawable);
if (src_depth == 1)
{
XCopyArea (GDK_DRAWABLE_XDISPLAY (drawable),
GDK_DRAWABLE_XID (src),
GDK_DRAWABLE_XID (drawable),
GDK_GC_GET_XGC (gc),
xsrc, ysrc,
width, height,
xdest, ydest);
}
else if (dest_depth != 0 && src_depth == dest_depth)
{
XCopyArea (GDK_DRAWABLE_XDISPLAY (drawable),
GDK_DRAWABLE_XID (src),
GDK_DRAWABLE_XID (drawable),
GDK_GC_GET_XGC (gc),
xsrc, ysrc,
width, height,
xdest, ydest);
}
else
g_warning ("Attempt to copy between drawables of mismatched depths!\n");
}
static void
gdk_x11_draw_points (GdkDrawable *drawable,
GdkGC *gc,
GdkPoint *points,
gint npoints)
{
/* We special-case npoints == 1, because X will merge multiple
* consecutive XDrawPoint requests into a PolyPoint request
*/
if (npoints == 1)
{
XDrawPoint (GDK_DRAWABLE_XDISPLAY (drawable),
GDK_DRAWABLE_XID (drawable),
GDK_GC_GET_XGC (gc),
points[0].x, points[0].y);
}
else
{
gint i;
XPoint *tmp_points = g_new (XPoint, npoints);
for (i=0; i<npoints; i++)
{
tmp_points[i].x = points[i].x;
tmp_points[i].y = points[i].y;
}
XDrawPoints (GDK_DRAWABLE_XDISPLAY (drawable),
GDK_DRAWABLE_XID (drawable),
GDK_GC_GET_XGC (gc),
tmp_points,
npoints,
CoordModeOrigin);
g_free (tmp_points);
}
}
static void
gdk_x11_draw_segments (GdkDrawable *drawable,
GdkGC *gc,
GdkSegment *segs,
gint nsegs)
{
/* We special-case nsegs == 1, because X will merge multiple
* consecutive XDrawLine requests into a PolySegment request
*/
if (nsegs == 1)
{
XDrawLine (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
GDK_GC_GET_XGC (gc), segs[0].x1, segs[0].y1,
segs[0].x2, segs[0].y2);
}
else
{
gint i;
XSegment *tmp_segs = g_new (XSegment, nsegs);
for (i=0; i<nsegs; i++)
{
tmp_segs[i].x1 = segs[i].x1;
tmp_segs[i].x2 = segs[i].x2;
tmp_segs[i].y1 = segs[i].y1;
tmp_segs[i].y2 = segs[i].y2;
}
XDrawSegments (GDK_DRAWABLE_XDISPLAY (drawable),
GDK_DRAWABLE_XID (drawable),
GDK_GC_GET_XGC (gc),
tmp_segs, nsegs);
g_free (tmp_segs);
}
}
static void
gdk_x11_draw_lines (GdkDrawable *drawable,
GdkGC *gc,
GdkPoint *points,
gint npoints)
{
gint i;
XPoint *tmp_points = g_new (XPoint, npoints);
for (i=0; i<npoints; i++)
{
tmp_points[i].x = points[i].x;
tmp_points[i].y = points[i].y;
}
XDrawLines (GDK_DRAWABLE_XDISPLAY (drawable),
GDK_DRAWABLE_XID (drawable),
GDK_GC_GET_XGC (gc),
tmp_points, npoints,
CoordModeOrigin);
g_free (tmp_points);
}
Reference in New Issue View Git Blame Copy Permalink