783 lines
		
	
	
		
			27 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			783 lines
		
	
	
		
			27 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* GTK - The GIMP Toolkit
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|  * Copyright (C) 2010 Carlos Garnacho <carlosg@gnome.org>
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|  * Copyright (C) 2011 Red Hat, Inc.
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|  *
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|  * Authors: Carlos Garnacho <carlosg@gnome.org>
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|  *          Cosimo Cecchi <cosimoc@gnome.org>
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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, see <http://www.gnu.org/licenses/>.
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|  */
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| 
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| #include <config.h>
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| 
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| #include "gtkrenderborderprivate.h"
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| 
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| #include <cairo-gobject.h>
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| #include <math.h>
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| 
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| #include "gtkcssbordervalueprivate.h"
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| #include "gtkcssenumvalueprivate.h"
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| #include "gtkcssimagevalueprivate.h"
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| #include "gtkcssnumbervalueprivate.h"
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| #include "gtkcssrepeatvalueprivate.h"
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| #include "gtkcssrgbavalueprivate.h"
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| #include "gtkcssstyleprivate.h"
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| #include "gtkhslaprivate.h"
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| #include "gtkroundedboxprivate.h"
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| 
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| /* this is in case round() is not provided by the compiler, 
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|  * such as in the case of C89 compilers, like MSVC
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|  */
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| #include "fallback-c89.c"
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| 
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| typedef struct _GtkBorderImage GtkBorderImage;
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| 
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| struct _GtkBorderImage {
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|   GtkCssImage *source;
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| 
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|   GtkCssValue *slice;
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|   GtkCssValue *width;
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|   GtkCssValue *repeat;
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| };
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| 
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| static gboolean
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| gtk_border_image_init (GtkBorderImage *image,
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|                        GtkCssStyle    *style)
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| {
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|   image->source = _gtk_css_image_value_get_image (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_IMAGE_SOURCE));
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|   if (image->source == NULL)
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|     return FALSE;
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| 
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|   image->slice = gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_IMAGE_SLICE);
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|   image->width = gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_IMAGE_WIDTH);
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|   image->repeat = gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_IMAGE_REPEAT);
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| 
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|   return TRUE;
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| }
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| 
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| typedef struct _GtkBorderImageSliceSize GtkBorderImageSliceSize;
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| struct _GtkBorderImageSliceSize {
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|   double offset;
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|   double size;
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| };
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| 
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| static void
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| gtk_border_image_compute_border_size (GtkBorderImageSliceSize  sizes[3],
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|                                       double                   offset,
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|                                       double                   area_size,
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|                                       double                   start_border_width,
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|                                       double                   end_border_width,
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|                                       const GtkCssValue       *start_border,
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|                                       const GtkCssValue       *end_border)
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| {
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|   double start, end;
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| 
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|   if (_gtk_css_number_value_get_unit (start_border) == GTK_CSS_NUMBER)
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|     start = start_border_width * _gtk_css_number_value_get (start_border, 100);
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|   else
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|     start = _gtk_css_number_value_get (start_border, area_size);
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|   if (_gtk_css_number_value_get_unit (end_border) == GTK_CSS_NUMBER)
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|     end = end_border_width * _gtk_css_number_value_get (end_border, 100);
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|   else
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|     end = _gtk_css_number_value_get (end_border, area_size);
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| 
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|   /* XXX: reduce vertical and horizontal by the same factor */
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|   if (start + end > area_size)
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|     {
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|       start = start * area_size / (start + end);
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|       end = end * area_size / (start + end);
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|     }
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| 
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|   sizes[0].offset = offset;
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|   sizes[0].size = start;
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|   sizes[1].offset = offset + start;
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|   sizes[1].size = area_size - start - end;
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|   sizes[2].offset = offset + area_size - end;
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|   sizes[2].size = end;
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| }
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| 
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| static void
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| gtk_border_image_render_slice (cairo_t           *cr,
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|                                cairo_surface_t   *slice,
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|                                double             slice_width,
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|                                double             slice_height,
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|                                double             x,
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|                                double             y,
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|                                double             width,
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|                                double             height,
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|                                GtkCssRepeatStyle  hrepeat,
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|                                GtkCssRepeatStyle  vrepeat)
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| {
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|   double hscale, vscale;
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|   double xstep, ystep;
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|   cairo_extend_t extend = CAIRO_EXTEND_PAD;
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|   cairo_matrix_t matrix;
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|   cairo_pattern_t *pattern;
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| 
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|   /* We can't draw center tiles yet */
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|   g_assert (hrepeat == GTK_CSS_REPEAT_STYLE_STRETCH || vrepeat == GTK_CSS_REPEAT_STYLE_STRETCH);
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| 
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|   hscale = width / slice_width;
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|   vscale = height / slice_height;
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|   xstep = width;
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|   ystep = height;
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| 
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|   switch (hrepeat)
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|     {
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|     case GTK_CSS_REPEAT_STYLE_REPEAT:
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|       extend = CAIRO_EXTEND_REPEAT;
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|       hscale = vscale;
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|       break;
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|     case GTK_CSS_REPEAT_STYLE_SPACE:
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|       {
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|         double space, n;
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| 
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|         extend = CAIRO_EXTEND_NONE;
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|         hscale = vscale;
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| 
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|         xstep = hscale * slice_width;
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|         n = floor (width / xstep);
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|         space = (width - n * xstep) / (n + 1);
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|         xstep += space;
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|         x += space;
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|         width -= 2 * space;
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|       }
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|       break;
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|     case GTK_CSS_REPEAT_STYLE_STRETCH:
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|       break;
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|     case GTK_CSS_REPEAT_STYLE_ROUND:
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|       extend = CAIRO_EXTEND_REPEAT;
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|       hscale = width / (slice_width * MAX (round (width / (slice_width * vscale)), 1));
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|       break;
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|     default:
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|       g_assert_not_reached ();
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|       break;
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|     }
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| 
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|   switch (vrepeat)
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|     {
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|     case GTK_CSS_REPEAT_STYLE_REPEAT:
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|       extend = CAIRO_EXTEND_REPEAT;
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|       vscale = hscale;
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|       break;
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|     case GTK_CSS_REPEAT_STYLE_SPACE:
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|       {
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|         double space, n;
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| 
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|         extend = CAIRO_EXTEND_NONE;
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|         vscale = hscale;
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| 
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|         ystep = vscale * slice_height;
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|         n = floor (height / ystep);
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|         space = (height - n * ystep) / (n + 1);
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|         ystep += space;
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|         y += space;
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|         height -= 2 * space;
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|       }
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|       break;
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|     case GTK_CSS_REPEAT_STYLE_STRETCH:
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|       break;
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|     case GTK_CSS_REPEAT_STYLE_ROUND:
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|       extend = CAIRO_EXTEND_REPEAT;
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|       vscale = height / (slice_height * MAX (round (height / (slice_height * hscale)), 1));
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|       break;
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|     default:
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|       g_assert_not_reached ();
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|       break;
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|     }
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| 
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|   pattern = cairo_pattern_create_for_surface (slice);
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| 
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|   cairo_matrix_init_translate (&matrix,
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|                                hrepeat == GTK_CSS_REPEAT_STYLE_REPEAT ? slice_width / 2 : 0,
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|                                vrepeat == GTK_CSS_REPEAT_STYLE_REPEAT ? slice_height / 2 : 0);
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|   cairo_matrix_scale (&matrix, 1 / hscale, 1 / vscale);
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|   cairo_matrix_translate (&matrix,
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|                           hrepeat == GTK_CSS_REPEAT_STYLE_REPEAT ? - width / 2 : 0,
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|                           vrepeat == GTK_CSS_REPEAT_STYLE_REPEAT ? - height / 2 : 0);
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| 
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|   cairo_pattern_set_matrix (pattern, &matrix);
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|   cairo_pattern_set_extend (pattern, extend);
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| 
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|   cairo_save (cr);
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|   cairo_translate (cr, x, y);
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| 
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|   for (y = 0; y < height; y += ystep)
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|     {
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|       for (x = 0; x < width; x += xstep)
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|         {
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|           cairo_save (cr);
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|           cairo_translate (cr, x, y);
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|           cairo_set_source (cr, pattern);
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|           cairo_rectangle (cr, 0, 0, xstep, ystep);
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|           cairo_fill (cr);
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|           cairo_restore (cr);
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|         }
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|     }
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| 
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|   cairo_restore (cr);
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| 
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|   cairo_pattern_destroy (pattern);
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| }
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| 
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| static void
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| gtk_border_image_compute_slice_size (GtkBorderImageSliceSize sizes[3],
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|                                      int                     surface_size,
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|                                      int                     start_size,
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|                                      int                     end_size)
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| {
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|   sizes[0].size = MIN (start_size, surface_size);
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|   sizes[0].offset = 0;
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| 
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|   sizes[2].size = MIN (end_size, surface_size);
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|   sizes[2].offset = surface_size - sizes[2].size;
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| 
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|   sizes[1].size = MAX (0, surface_size - sizes[0].size - sizes[2].size);
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|   sizes[1].offset = sizes[0].size;
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| }
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| 
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| static void
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| gtk_border_image_render (GtkBorderImage   *image,
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|                          const double      border_width[4],
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|                          cairo_t          *cr,
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|                          gdouble           x,
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|                          gdouble           y,
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|                          gdouble           width,
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|                          gdouble           height)
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| {
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|   cairo_surface_t *surface, *slice;
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|   GtkBorderImageSliceSize vertical_slice[3], horizontal_slice[3];
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|   GtkBorderImageSliceSize vertical_border[3], horizontal_border[3];
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|   double source_width, source_height;
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|   int h, v;
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| 
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|   _gtk_css_image_get_concrete_size (image->source,
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|                                     0, 0,
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|                                     width, height,
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|                                     &source_width, &source_height);
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| 
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|   /* XXX: Optimize for (source_width == width && source_height == height) */
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| 
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|   surface = _gtk_css_image_get_surface (image->source,
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|                                         cairo_get_target (cr),
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|                                         source_width, source_height);
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| 
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|   gtk_border_image_compute_slice_size (horizontal_slice,
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|                                        source_width, 
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|                                        _gtk_css_number_value_get (_gtk_css_border_value_get_left (image->slice), source_width),
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|                                        _gtk_css_number_value_get (_gtk_css_border_value_get_right (image->slice), source_width));
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|   gtk_border_image_compute_slice_size (vertical_slice,
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|                                        source_height, 
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|                                        _gtk_css_number_value_get (_gtk_css_border_value_get_top (image->slice), source_height),
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|                                        _gtk_css_number_value_get (_gtk_css_border_value_get_bottom (image->slice), source_height));
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|   gtk_border_image_compute_border_size (horizontal_border,
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|                                         x,
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|                                         width,
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|                                         border_width[GTK_CSS_LEFT],
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|                                         border_width[GTK_CSS_RIGHT],
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|                                         _gtk_css_border_value_get_left (image->width),
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|                                         _gtk_css_border_value_get_right (image->width));
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|   gtk_border_image_compute_border_size (vertical_border,
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|                                         y,
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|                                         height,
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|                                         border_width[GTK_CSS_TOP],
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|                                         border_width[GTK_CSS_BOTTOM],
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|                                         _gtk_css_border_value_get_top (image->width),
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|                                         _gtk_css_border_value_get_bottom(image->width));
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|   
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|   for (v = 0; v < 3; v++)
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|     {
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|       if (vertical_slice[v].size == 0 ||
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|           vertical_border[v].size == 0)
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|         continue;
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| 
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|       for (h = 0; h < 3; h++)
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|         {
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|           if (horizontal_slice[h].size == 0 ||
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|               horizontal_border[h].size == 0)
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|             continue;
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| 
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|           if (h == 1 && v == 1)
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|             continue;
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| 
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|           slice = cairo_surface_create_for_rectangle (surface,
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|                                                       horizontal_slice[h].offset,
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|                                                       vertical_slice[v].offset,
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|                                                       horizontal_slice[h].size,
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|                                                       vertical_slice[v].size);
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| 
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|           gtk_border_image_render_slice (cr,
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|                                          slice,
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|                                          horizontal_slice[h].size,
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|                                          vertical_slice[v].size,
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|                                          horizontal_border[h].offset,
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|                                          vertical_border[v].offset,
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|                                          horizontal_border[h].size,
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|                                          vertical_border[v].size,
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|                                          h == 1 ? _gtk_css_border_repeat_value_get_x (image->repeat) : GTK_CSS_REPEAT_STYLE_STRETCH,
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|                                          v == 1 ? _gtk_css_border_repeat_value_get_y (image->repeat) : GTK_CSS_REPEAT_STYLE_STRETCH);
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| 
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|           cairo_surface_destroy (slice);
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|         }
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|     }
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| 
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|   cairo_surface_destroy (surface);
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| }
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| 
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| static void
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| hide_border_sides (double         border[4],
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|                    GtkBorderStyle border_style[4],
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|                    guint          hidden_side)
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| {
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|   guint i;
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| 
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|   for (i = 0; i < 4; i++)
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|     {
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|       if (hidden_side & (1 << i))
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|         border[i] = 0;
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|     }
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| }
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| 
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| static void
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| render_frame_fill (cairo_t       *cr,
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|                    GtkRoundedBox *border_box,
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|                    const double   border_width[4],
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|                    GdkRGBA        colors[4],
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|                    guint          hidden_side)
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| {
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|   GtkRoundedBox padding_box;
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|   guint i, j;
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| 
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|   padding_box = *border_box;
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|   _gtk_rounded_box_shrink (&padding_box,
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|                            border_width[GTK_CSS_TOP],
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|                            border_width[GTK_CSS_RIGHT],
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|                            border_width[GTK_CSS_BOTTOM],
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|                            border_width[GTK_CSS_LEFT]);
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| 
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|   if (hidden_side == 0 &&
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|       gdk_rgba_equal (&colors[0], &colors[1]) &&
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|       gdk_rgba_equal (&colors[0], &colors[2]) &&
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|       gdk_rgba_equal (&colors[0], &colors[3]))
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|     {
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|       gdk_cairo_set_source_rgba (cr, &colors[0]);
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| 
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|       _gtk_rounded_box_path (border_box, cr);
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|       _gtk_rounded_box_path (&padding_box, cr);
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|       cairo_fill (cr);
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|     }
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|   else
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|     {
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|       for (i = 0; i < 4; i++) 
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|         {
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|           if (hidden_side & (1 << i))
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|             continue;
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| 
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|           for (j = 0; j < 4; j++)
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|             { 
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|               if (hidden_side & (1 << j))
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|                 continue;
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| 
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|               if (i == j || 
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|                   (gdk_rgba_equal (&colors[i], &colors[j])))
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|                 {
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|                   /* We were already painted when i == j */
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|                   if (i > j)
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|                     break;
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| 
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|                   if (j == 0)
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|                     _gtk_rounded_box_path_top (border_box, &padding_box, cr);
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|                   else if (j == 1)
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|                     _gtk_rounded_box_path_right (border_box, &padding_box, cr);
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|                   else if (j == 2)
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|                     _gtk_rounded_box_path_bottom (border_box, &padding_box, cr);
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|                   else if (j == 3)
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|                     _gtk_rounded_box_path_left (border_box, &padding_box, cr);
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|                 }
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|             }
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|           /* We were already painted when i == j */
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|           if (i > j)
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|             continue;
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| 
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|           gdk_cairo_set_source_rgba (cr, &colors[i]);
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| 
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|           cairo_fill (cr);
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|         }
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|     }
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| }
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| 
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| static void
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| set_stroke_style (cairo_t        *cr,
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|                   double          line_width,
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|                   GtkBorderStyle  style,
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|                   double          length)
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| {
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|   double segments[2];
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|   double n;
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| 
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|   cairo_set_line_width (cr, line_width);
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| 
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|   if (style == GTK_BORDER_STYLE_DOTTED)
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|     {
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|       n = round (0.5 * length / line_width);
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| 
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|       segments[0] = 0;
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|       segments[1] = n ? length / n : 2;
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|       cairo_set_dash (cr, segments, G_N_ELEMENTS (segments), 0);
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| 
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|       cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
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|       cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND);
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|     }
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|   else
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|     {
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|       n = length / line_width;
 | |
|       /* Optimize the common case of an integer-sized rectangle
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|        * Again, we care about focus rectangles.
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|        */
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|       if (n == nearbyint (n))
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|         {
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|           segments[0] = 1;
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|           segments[1] = 2;
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|         }
 | |
|       else
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|         {
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|           n = round ((1. / 3) * n);
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| 
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|           segments[0] = n ? (1. / 3) * length / n : 1;
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|           segments[1] = 2 * segments[0];
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|         }
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|       cairo_set_dash (cr, segments, G_N_ELEMENTS (segments), 0);
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| 
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|       cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE);
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|       cairo_set_line_join (cr, CAIRO_LINE_JOIN_MITER);
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|     }
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| }
 | |
| 
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| static void
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| render_frame_stroke (cairo_t       *cr,
 | |
|                      GtkRoundedBox *border_box,
 | |
|                      const double   border_width[4],
 | |
|                      GdkRGBA        colors[4],
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|                      guint          hidden_side,
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|                      GtkBorderStyle stroke_style)
 | |
| {
 | |
|   gboolean different_colors, different_borders;
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|   GtkRoundedBox stroke_box;
 | |
|   guint i;
 | |
| 
 | |
|   different_colors = !gdk_rgba_equal (&colors[0], &colors[1]) ||
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|                      !gdk_rgba_equal (&colors[0], &colors[2]) ||
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|                      !gdk_rgba_equal (&colors[0], &colors[3]);
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|   different_borders = border_width[0] != border_width[1] ||
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|                       border_width[0] != border_width[2] ||
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|                       border_width[0] != border_width[3] ;
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| 
 | |
|   stroke_box = *border_box;
 | |
|   _gtk_rounded_box_shrink (&stroke_box,
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|                            border_width[GTK_CSS_TOP] / 2.0,
 | |
|                            border_width[GTK_CSS_RIGHT] / 2.0,
 | |
|                            border_width[GTK_CSS_BOTTOM] / 2.0,
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|                            border_width[GTK_CSS_LEFT] / 2.0);
 | |
| 
 | |
|   if (!different_colors && !different_borders && hidden_side == 0)
 | |
|     {
 | |
|       double length = 0;
 | |
| 
 | |
|       /* FAST PATH:
 | |
|        * Mostly expected to trigger for focus rectangles */
 | |
|       for (i = 0; i < 4; i++) 
 | |
|         {
 | |
|           length += _gtk_rounded_box_guess_length (&stroke_box, i);
 | |
|           _gtk_rounded_box_path_side (&stroke_box, cr, i);
 | |
|         }
 | |
| 
 | |
|       gdk_cairo_set_source_rgba (cr, &colors[0]);
 | |
|       set_stroke_style (cr, border_width[0], stroke_style, length);
 | |
|       cairo_stroke (cr);
 | |
|     }
 | |
|   else
 | |
|     {
 | |
|       GtkRoundedBox padding_box;
 | |
| 
 | |
|       padding_box = *border_box;
 | |
|       _gtk_rounded_box_path (&padding_box, cr);
 | |
|       _gtk_rounded_box_shrink (&padding_box,
 | |
|                                border_width[GTK_CSS_TOP],
 | |
|                                border_width[GTK_CSS_RIGHT],
 | |
|                                border_width[GTK_CSS_BOTTOM],
 | |
|                                border_width[GTK_CSS_LEFT]);
 | |
| 
 | |
|       for (i = 0; i < 4; i++) 
 | |
|         {
 | |
|           if (hidden_side & (1 << i))
 | |
|             continue;
 | |
| 
 | |
|           cairo_save (cr);
 | |
| 
 | |
|           if (i == 0)
 | |
|             _gtk_rounded_box_path_top (border_box, &padding_box, cr);
 | |
|           else if (i == 1)
 | |
|             _gtk_rounded_box_path_right (border_box, &padding_box, cr);
 | |
|           else if (i == 2)
 | |
|             _gtk_rounded_box_path_bottom (border_box, &padding_box, cr);
 | |
|           else if (i == 3)
 | |
|             _gtk_rounded_box_path_left (border_box, &padding_box, cr);
 | |
|           cairo_clip (cr);
 | |
| 
 | |
|           _gtk_rounded_box_path_side (&stroke_box, cr, i);
 | |
| 
 | |
|           gdk_cairo_set_source_rgba (cr, &colors[i]);
 | |
|           set_stroke_style (cr,
 | |
|                             border_width[i],
 | |
|                             stroke_style,
 | |
|                             _gtk_rounded_box_guess_length (&stroke_box, i));
 | |
|           cairo_stroke (cr);
 | |
| 
 | |
|           cairo_restore (cr);
 | |
|         }
 | |
|     }
 | |
| }
 | |
| 
 | |
| static void
 | |
| color_shade (const GdkRGBA *color,
 | |
|              gdouble        factor,
 | |
|              GdkRGBA       *color_return)
 | |
| {
 | |
|   GtkHSLA hsla;
 | |
| 
 | |
|   _gtk_hsla_init_from_rgba (&hsla, color);
 | |
|   _gtk_hsla_shade (&hsla, &hsla, factor);
 | |
|   _gdk_rgba_init_from_hsla (color_return, &hsla);
 | |
| }
 | |
| 
 | |
| static void
 | |
| render_border (cairo_t       *cr,
 | |
|                GtkRoundedBox *border_box,
 | |
|                const double   border_width[4],
 | |
|                guint          hidden_side,
 | |
|                GdkRGBA        colors[4],
 | |
|                GtkBorderStyle border_style[4])
 | |
| {
 | |
|   guint i, j;
 | |
| 
 | |
|   cairo_save (cr);
 | |
| 
 | |
|   cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD);
 | |
| 
 | |
|   for (i = 0; i < 4; i++)
 | |
|     {
 | |
|       if (hidden_side & (1 << i))
 | |
|         continue;
 | |
| 
 | |
|       /* NB: code below divides by this value */
 | |
|       /* a border smaller than this will not noticably modify
 | |
|        * pixels on screen, and since we don't compare with 0,
 | |
|        * we'll use this value */
 | |
|       if (border_width[i] < 1.0 / 1024)
 | |
|         continue;
 | |
| 
 | |
|       switch (border_style[i])
 | |
|         {
 | |
|         case GTK_BORDER_STYLE_NONE:
 | |
|         case GTK_BORDER_STYLE_HIDDEN:
 | |
|         case GTK_BORDER_STYLE_SOLID:
 | |
|           break;
 | |
|         case GTK_BORDER_STYLE_INSET:
 | |
|           if (i == 1 || i == 2)
 | |
|             color_shade (&colors[i], 1.8, &colors[i]);
 | |
|           break;
 | |
|         case GTK_BORDER_STYLE_OUTSET:
 | |
|           if (i == 0 || i == 3)
 | |
|             color_shade (&colors[i], 1.8, &colors[i]);
 | |
|           break;
 | |
|         case GTK_BORDER_STYLE_DOTTED:
 | |
|         case GTK_BORDER_STYLE_DASHED:
 | |
|           {
 | |
|             guint dont_draw = hidden_side;
 | |
| 
 | |
|             for (j = 0; j < 4; j++)
 | |
|               {
 | |
|                 if (border_style[j] == border_style[i])
 | |
|                   hidden_side |= (1 << j);
 | |
|                 else
 | |
|                   dont_draw |= (1 << j);
 | |
|               }
 | |
|             
 | |
|             render_frame_stroke (cr, border_box, border_width, colors, dont_draw, border_style[i]);
 | |
|           }
 | |
|           break;
 | |
|         case GTK_BORDER_STYLE_DOUBLE:
 | |
|           {
 | |
|             GtkRoundedBox other_box;
 | |
|             double other_border[4];
 | |
|             guint dont_draw = hidden_side;
 | |
| 
 | |
|             for (j = 0; j < 4; j++)
 | |
|               {
 | |
|                 if (border_style[j] == GTK_BORDER_STYLE_DOUBLE)
 | |
|                   hidden_side |= (1 << j);
 | |
|                 else
 | |
|                   dont_draw |= (1 << j);
 | |
|                 
 | |
|                 other_border[i] = border_width[i] / 3;
 | |
|               }
 | |
|             
 | |
|             render_frame_fill (cr, border_box, other_border, colors, dont_draw);
 | |
|             
 | |
|             other_box = *border_box;
 | |
|             _gtk_rounded_box_shrink (&other_box,
 | |
|                                      2 * other_border[GTK_CSS_TOP],
 | |
|                                      2 * other_border[GTK_CSS_RIGHT],
 | |
|                                      2 * other_border[GTK_CSS_BOTTOM],
 | |
|                                      2 * other_border[GTK_CSS_LEFT]);
 | |
|             render_frame_fill (cr, &other_box, other_border, colors, dont_draw);
 | |
|           }
 | |
|           break;
 | |
|         case GTK_BORDER_STYLE_GROOVE:
 | |
|         case GTK_BORDER_STYLE_RIDGE:
 | |
|           {
 | |
|             GtkRoundedBox other_box;
 | |
|             GdkRGBA other_colors[4];
 | |
|             guint dont_draw = hidden_side;
 | |
|             double other_border[4];
 | |
| 
 | |
|             for (j = 0; j < 4; j++)
 | |
|               {
 | |
|                 other_colors[j] = colors[j];
 | |
|                 if ((j == 0 || j == 3) ^ (border_style[j] == GTK_BORDER_STYLE_RIDGE))
 | |
|                   color_shade (&other_colors[j], 1.8, &other_colors[j]);
 | |
|                 else
 | |
|                   color_shade (&colors[j], 1.8, &colors[j]);
 | |
|                 if (border_style[j] == GTK_BORDER_STYLE_GROOVE ||
 | |
|                     border_style[j] == GTK_BORDER_STYLE_RIDGE)
 | |
|                   hidden_side |= (1 << j);
 | |
|                 else
 | |
|                   dont_draw |= (1 << j);
 | |
|                 other_border[j] = border_width[j] / 2;
 | |
|               }
 | |
|             
 | |
|             render_frame_fill (cr, border_box, other_border, colors, dont_draw);
 | |
|             
 | |
|             other_box = *border_box;
 | |
|             _gtk_rounded_box_shrink (&other_box,
 | |
|                                      other_border[GTK_CSS_TOP],
 | |
|                                      other_border[GTK_CSS_RIGHT],
 | |
|                                      other_border[GTK_CSS_BOTTOM],
 | |
|                                      other_border[GTK_CSS_LEFT]);
 | |
|             render_frame_fill (cr, &other_box, other_border, other_colors, dont_draw);
 | |
|           }
 | |
|           break;
 | |
|         default:
 | |
|           g_assert_not_reached ();
 | |
|           break;
 | |
|         }
 | |
|     }
 | |
|   
 | |
|   render_frame_fill (cr, border_box, border_width, colors, hidden_side);
 | |
| 
 | |
|   cairo_restore (cr);
 | |
| }
 | |
| 
 | |
| void
 | |
| gtk_css_style_render_border (GtkCssStyle      *style,
 | |
|                              cairo_t          *cr,
 | |
|                              gdouble           x,
 | |
|                              gdouble           y,
 | |
|                              gdouble           width,
 | |
|                              gdouble           height,
 | |
|                              guint             hidden_side,
 | |
|                              GtkJunctionSides  junction)
 | |
| {
 | |
|   GtkBorderImage border_image;
 | |
|   double border_width[4];
 | |
| 
 | |
|   border_width[0] = _gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_TOP_WIDTH), 100);
 | |
|   border_width[1] = _gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_RIGHT_WIDTH), 100);
 | |
|   border_width[2] = _gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_BOTTOM_WIDTH), 100);
 | |
|   border_width[3] = _gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_LEFT_WIDTH), 100);
 | |
| 
 | |
|   if (gtk_border_image_init (&border_image, style))
 | |
|     {
 | |
|       gtk_border_image_render (&border_image, border_width, cr, x, y, width, height);
 | |
|     }
 | |
|   else
 | |
|     {
 | |
|       GtkBorderStyle border_style[4];
 | |
|       GtkRoundedBox border_box;
 | |
|       GdkRGBA colors[4];
 | |
| 
 | |
|       /* Optimize the most common case of "This widget has no border" */
 | |
|       if (border_width[0] == 0 &&
 | |
|           border_width[1] == 0 &&
 | |
|           border_width[2] == 0 &&
 | |
|           border_width[3] == 0)
 | |
|         return;
 | |
| 
 | |
|       border_style[0] = _gtk_css_border_style_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_TOP_STYLE));
 | |
|       border_style[1] = _gtk_css_border_style_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_RIGHT_STYLE));
 | |
|       border_style[2] = _gtk_css_border_style_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_BOTTOM_STYLE));
 | |
|       border_style[3] = _gtk_css_border_style_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_LEFT_STYLE));
 | |
| 
 | |
|       hide_border_sides (border_width, border_style, hidden_side);
 | |
| 
 | |
|       colors[0] = *_gtk_css_rgba_value_get_rgba (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_TOP_COLOR));
 | |
|       colors[1] = *_gtk_css_rgba_value_get_rgba (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_RIGHT_COLOR));
 | |
|       colors[2] = *_gtk_css_rgba_value_get_rgba (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_BOTTOM_COLOR));
 | |
|       colors[3] = *_gtk_css_rgba_value_get_rgba (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_LEFT_COLOR));
 | |
| 
 | |
|       _gtk_rounded_box_init_rect (&border_box, x, y, width, height);
 | |
|       _gtk_rounded_box_apply_border_radius_for_style (&border_box, style, junction);
 | |
| 
 | |
|       render_border (cr, &border_box, border_width, hidden_side, colors, border_style);
 | |
|     }
 | |
| }
 | |
| 
 | |
| void
 | |
| gtk_css_style_render_outline (GtkCssStyle *style,
 | |
|                               cairo_t     *cr,
 | |
|                               gdouble      x,
 | |
|                               gdouble      y,
 | |
|                               gdouble      width,
 | |
|                               gdouble      height)
 | |
| {
 | |
|   GtkBorderStyle border_style[4];
 | |
|   GtkRoundedBox border_box;
 | |
|   double border_width[4];
 | |
|   GdkRGBA colors[4];
 | |
| 
 | |
|   border_style[0] = _gtk_css_border_style_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_OUTLINE_STYLE));
 | |
|   if (border_style[0] != GTK_BORDER_STYLE_NONE)
 | |
|     {
 | |
|       int offset;
 | |
| 
 | |
|       border_style[1] = border_style[2] = border_style[3] = border_style[0];
 | |
|       border_width[0] = _gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_OUTLINE_WIDTH), 100);
 | |
|       border_width[3] = border_width[2] = border_width[1] = border_width[0];
 | |
|       colors[0] = *_gtk_css_rgba_value_get_rgba (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_OUTLINE_COLOR));
 | |
|       colors[3] = colors[2] = colors[1] = colors[0];
 | |
|       offset = _gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_OUTLINE_OFFSET), 100);
 | |
| 
 | |
|       _gtk_rounded_box_init_rect (&border_box, x, y, width, height);
 | |
|       _gtk_rounded_box_shrink (&border_box,
 | |
|                                - border_width[GTK_CSS_TOP] - offset,
 | |
|                                - border_width[GTK_CSS_RIGHT] - offset,
 | |
|                                - border_width[GTK_CSS_LEFT] - offset,
 | |
|                                - border_width[GTK_CSS_BOTTOM] - offset);
 | |
|       _gtk_rounded_box_apply_outline_radius_for_style (&border_box, style, GTK_JUNCTION_NONE);
 | |
| 
 | |
|       render_border (cr, &border_box, border_width, 0, colors, border_style);
 | |
|     }
 | |
| }
 | |
| 
 | 
