mirror of https://github.com/GNOME/gimp.git
338 lines
11 KiB
C
338 lines
11 KiB
C
/* GIMP - The GNU Image Manipulation Program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* gimpdisplayshell-style.c
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* Copyright (C) 2010 Michael Natterer <mitch@gimp.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gegl.h>
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#include <gtk/gtk.h>
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#include "libgimpcolor/gimpcolor.h"
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#include "libgimpwidgets/gimpwidgets.h"
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#include "display-types.h"
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#include "core/gimpgrid.h"
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#include "core/gimplayer.h"
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#include "core/gimplayermask.h"
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#include "widgets/gimpcairo.h"
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#include "gimpdisplayshell.h"
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#include "gimpdisplayshell-style.h"
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static const GimpRGB guide_normal_fg = { 0.0, 0.0, 0.0, 1.0 };
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static const GimpRGB guide_normal_bg = { 0.0, 0.5, 1.0, 1.0 };
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static const GimpRGB guide_active_fg = { 0.0, 0.0, 0.0, 1.0 };
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static const GimpRGB guide_active_bg = { 1.0, 0.0, 0.0, 1.0 };
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static const GimpRGB sample_point_normal = { 0.0, 0.5, 1.0, 1.0 };
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static const GimpRGB sample_point_active = { 1.0, 0.0, 0.0, 1.0 };
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static const GimpRGB layer_fg = { 0.0, 0.0, 0.0, 1.0 };
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static const GimpRGB layer_bg = { 1.0, 1.0, 0.0, 1.0 };
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static const GimpRGB layer_group_fg = { 0.0, 0.0, 0.0, 1.0 };
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static const GimpRGB layer_group_bg = { 0.0, 1.0, 1.0, 1.0 };
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static const GimpRGB layer_mask_fg = { 0.0, 0.0, 0.0, 1.0 };
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static const GimpRGB layer_mask_bg = { 0.0, 1.0, 0.0, 1.0 };
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static const GimpRGB selection_out_fg = { 1.0, 1.0, 1.0, 1.0 };
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static const GimpRGB selection_out_bg = { 0.5, 0.5, 0.5, 1.0 };
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static const GimpRGB selection_in_fg = { 0.0, 0.0, 0.0, 1.0 };
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static const GimpRGB selection_in_bg = { 1.0, 1.0, 1.0, 1.0 };
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static const GimpRGB vectors_normal_bg = { 1.0, 1.0, 1.0, 0.6 };
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static const GimpRGB vectors_normal_fg = { 0.0, 0.0, 1.0, 0.8 };
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static const GimpRGB vectors_active_bg = { 1.0, 1.0, 1.0, 0.6 };
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static const GimpRGB vectors_active_fg = { 1.0, 0.0, 0.0, 0.8 };
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static const GimpRGB passe_partout = { 0.0, 0.0, 0.0, 0.5 };
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static const GimpRGB tool_bg = { 0.0, 0.0, 0.0, 0.4 };
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static const GimpRGB tool_fg = { 1.0, 1.0, 1.0, 0.8 };
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static const GimpRGB tool_fg_highlight = { 1.0, 0.8, 0.2, 0.8 };
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/* public functions */
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void
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gimp_display_shell_set_guide_style (GimpDisplayShell *shell,
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cairo_t *cr,
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gboolean active)
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{
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cairo_pattern_t *pattern;
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g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
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g_return_if_fail (cr != NULL);
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cairo_set_line_width (cr, 1.0);
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if (active)
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pattern = gimp_cairo_stipple_pattern_create (&guide_active_fg,
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&guide_active_bg,
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0);
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else
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pattern = gimp_cairo_stipple_pattern_create (&guide_normal_fg,
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&guide_normal_bg,
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0);
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cairo_set_source (cr, pattern);
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cairo_pattern_destroy (pattern);
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}
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void
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gimp_display_shell_set_sample_point_style (GimpDisplayShell *shell,
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cairo_t *cr,
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gboolean active)
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{
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g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
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g_return_if_fail (cr != NULL);
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cairo_set_line_width (cr, 1.0);
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if (active)
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cairo_set_source_rgb (cr,
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sample_point_active.r,
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sample_point_active.g,
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sample_point_active.b);
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else
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cairo_set_source_rgb (cr,
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sample_point_normal.r,
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sample_point_normal.g,
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sample_point_normal.b);
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}
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void
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gimp_display_shell_set_grid_style (GimpDisplayShell *shell,
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cairo_t *cr,
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GimpGrid *grid)
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{
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g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
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g_return_if_fail (cr != NULL);
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g_return_if_fail (GIMP_IS_GRID (grid));
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cairo_set_line_width (cr, 1.0);
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switch (grid->style)
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{
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cairo_pattern_t *pattern;
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case GIMP_GRID_ON_OFF_DASH:
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case GIMP_GRID_DOUBLE_DASH:
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if (grid->style == GIMP_GRID_DOUBLE_DASH)
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{
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pattern = gimp_cairo_stipple_pattern_create (&grid->fgcolor,
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&grid->bgcolor,
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0);
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}
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else
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{
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GimpRGB bg = { 0.0, 0.0, 0.0, 0.0 };
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pattern = gimp_cairo_stipple_pattern_create (&grid->fgcolor,
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&bg,
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0);
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}
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cairo_set_source (cr, pattern);
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cairo_pattern_destroy (pattern);
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break;
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case GIMP_GRID_DOTS:
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case GIMP_GRID_INTERSECTIONS:
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case GIMP_GRID_SOLID:
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cairo_set_source_rgb (cr,
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grid->fgcolor.r,
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grid->fgcolor.g,
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grid->fgcolor.b);
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break;
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}
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}
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void
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gimp_display_shell_set_pen_style (GimpDisplayShell *shell,
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cairo_t *cr,
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const GimpRGB *color,
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gint width)
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{
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g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
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g_return_if_fail (cr != NULL);
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g_return_if_fail (color != NULL);
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cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE);
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cairo_set_line_width (cr, width);
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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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gimp_cairo_set_source_rgb (cr, color);
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}
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void
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gimp_display_shell_set_layer_style (GimpDisplayShell *shell,
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cairo_t *cr,
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GimpLayer *layer)
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{
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cairo_pattern_t *pattern;
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g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
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g_return_if_fail (cr != NULL);
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g_return_if_fail (GIMP_IS_LAYER (layer));
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cairo_set_line_width (cr, 1.0);
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cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE);
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if (gimp_layer_get_mask (layer) &&
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gimp_layer_mask_get_edit (gimp_layer_get_mask (layer)))
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{
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pattern = gimp_cairo_stipple_pattern_create (&layer_mask_fg,
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&layer_mask_bg,
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0);
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}
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else if (gimp_viewable_get_children (GIMP_VIEWABLE (layer)))
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{
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pattern = gimp_cairo_stipple_pattern_create (&layer_group_fg,
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&layer_group_bg,
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0);
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}
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else
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{
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pattern = gimp_cairo_stipple_pattern_create (&layer_fg,
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&layer_bg,
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0);
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}
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cairo_set_source (cr, pattern);
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cairo_pattern_destroy (pattern);
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}
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void
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gimp_display_shell_set_selection_out_style (GimpDisplayShell *shell,
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cairo_t *cr)
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{
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cairo_pattern_t *pattern;
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g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
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g_return_if_fail (cr != NULL);
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cairo_set_line_width (cr, 1.0);
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cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE);
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pattern = gimp_cairo_stipple_pattern_create (&selection_out_fg,
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&selection_out_bg,
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0);
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cairo_set_source (cr, pattern);
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cairo_pattern_destroy (pattern);
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}
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void
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gimp_display_shell_set_selection_in_style (GimpDisplayShell *shell,
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cairo_t *cr,
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gint index)
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{
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cairo_pattern_t *pattern;
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g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
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g_return_if_fail (cr != NULL);
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cairo_set_line_width (cr, 1.0);
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cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE);
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pattern = gimp_cairo_stipple_pattern_create (&selection_in_fg,
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&selection_in_bg,
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index);
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cairo_set_source (cr, pattern);
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cairo_pattern_destroy (pattern);
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}
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void
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gimp_display_shell_set_vectors_bg_style (GimpDisplayShell *shell,
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cairo_t *cr,
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gboolean active)
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{
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g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
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g_return_if_fail (cr != NULL);
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cairo_set_line_width (cr, 3.0);
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if (active)
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gimp_cairo_set_source_rgba (cr, &vectors_active_bg);
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else
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gimp_cairo_set_source_rgba (cr, &vectors_normal_bg);
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}
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void
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gimp_display_shell_set_vectors_fg_style (GimpDisplayShell *shell,
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cairo_t *cr,
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gboolean active)
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{
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g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
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g_return_if_fail (cr != NULL);
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cairo_set_line_width (cr, 1.0);
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if (active)
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gimp_cairo_set_source_rgba (cr, &vectors_active_fg);
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else
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gimp_cairo_set_source_rgba (cr, &vectors_normal_fg);
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}
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void
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gimp_display_shell_set_passe_partout_style (GimpDisplayShell *shell,
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cairo_t *cr)
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{
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g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
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g_return_if_fail (cr != NULL);
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gimp_cairo_set_source_rgba (cr, &passe_partout);
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}
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void
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gimp_display_shell_set_tool_bg_style (GimpDisplayShell *shell,
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cairo_t *cr)
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{
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g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
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g_return_if_fail (cr != NULL);
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cairo_set_line_width (cr, 3.0);
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cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND);
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gimp_cairo_set_source_rgba (cr, &tool_bg);
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}
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void
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gimp_display_shell_set_tool_fg_style (GimpDisplayShell *shell,
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cairo_t *cr,
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gboolean highlight)
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{
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g_return_if_fail (cr != NULL);
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cairo_set_line_width (cr, 1.0);
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cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND);
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if (highlight)
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gimp_cairo_set_source_rgba (cr, &tool_fg_highlight);
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else
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gimp_cairo_set_source_rgba (cr, &tool_fg);
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}
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