2f26016a47
so they are gone from the "scale" and "scroll" namespaces because they belong to neither and both. And because the files are way too large.
151 lines
4.5 KiB
C
151 lines
4.5 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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* 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 "libgimpbase/gimpbase.h"
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#include "libgimpwidgets/gimpwidgets.h"
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#include "display-types.h"
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#include "core/gimpimage.h"
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#include "gimpdisplay.h"
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#include "gimpdisplayshell.h"
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#include "gimpdisplayshell-rulers.h"
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/**
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* gimp_display_shell_rulers_update:
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* @shell:
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*
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**/
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void
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gimp_display_shell_rulers_update (GimpDisplayShell *shell)
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{
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GimpImage *image;
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gint image_width;
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gint image_height;
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gdouble resolution_x = 1.0;
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gdouble resolution_y = 1.0;
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gdouble horizontal_lower;
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gdouble horizontal_upper;
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gdouble horizontal_max_size;
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gdouble vertical_lower;
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gdouble vertical_upper;
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gdouble vertical_max_size;
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if (! shell->display)
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return;
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image = gimp_display_get_image (shell->display);
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if (image)
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{
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image_width = gimp_image_get_width (image);
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image_height = gimp_image_get_height (image);
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gimp_image_get_resolution (image, &resolution_x, &resolution_y);
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}
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else
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{
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image_width = shell->disp_width;
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image_height = shell->disp_height;
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}
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/* Initialize values */
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horizontal_lower = 0;
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vertical_lower = 0;
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if (image)
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{
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horizontal_upper = gimp_pixels_to_units (FUNSCALEX (shell,
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shell->disp_width),
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shell->unit,
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resolution_x);
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horizontal_max_size = gimp_pixels_to_units (MAX (image_width,
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image_height),
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shell->unit,
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resolution_x);
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vertical_upper = gimp_pixels_to_units (FUNSCALEY (shell,
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shell->disp_height),
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shell->unit,
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resolution_y);
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vertical_max_size = gimp_pixels_to_units (MAX (image_width,
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image_height),
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shell->unit,
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resolution_y);
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}
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else
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{
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horizontal_upper = image_width;
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horizontal_max_size = MAX (image_width, image_height);
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vertical_upper = image_height;
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vertical_max_size = MAX (image_width, image_height);
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}
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/* Adjust due to scrolling */
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if (image)
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{
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gdouble offset_x;
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gdouble offset_y;
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offset_x = gimp_pixels_to_units (FUNSCALEX (shell,
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(gdouble) shell->offset_x),
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shell->unit,
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resolution_x);
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offset_y = gimp_pixels_to_units (FUNSCALEX (shell,
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(gdouble) shell->offset_y),
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shell->unit,
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resolution_y);
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horizontal_lower += offset_x;
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horizontal_upper += offset_x;
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vertical_lower += offset_y;
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vertical_upper += offset_y;
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}
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/* Finally setup the actual rulers */
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gimp_ruler_set_range (GIMP_RULER (shell->hrule),
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horizontal_lower,
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horizontal_upper,
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horizontal_max_size);
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gimp_ruler_set_unit (GIMP_RULER (shell->hrule),
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shell->unit);
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gimp_ruler_set_range (GIMP_RULER (shell->vrule),
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vertical_lower,
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vertical_upper,
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vertical_max_size);
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gimp_ruler_set_unit (GIMP_RULER (shell->vrule),
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shell->unit);
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}
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