Adding upstream version 2.10.22.upstream/2.10.22upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 458 insertions, 0 deletions

diff --git a/app/display/gimpcanvas-style.c b/app/display/gimpcanvas-style.c
new file mode 100644
index 0000000..8d47961
--- /dev/null
+++ b/app/display/gimpcanvas-style.c
@@ -0,0 +1,458 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpcanvas-style.c
+ * Copyright (C) 2010  Michael Natterer <mitch@gimp.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <gegl.h>
+#include <gtk/gtk.h>
+
+#include "libgimpcolor/gimpcolor.h"
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "display-types.h"
+
+#include "core/gimp-cairo.h"
+#include "core/gimpgrid.h"
+#include "core/gimplayer.h"
+
+#include "gimpcanvas-style.h"
+
+/* Styles for common and custom guides. */
+static const GimpRGB guide_normal_fg         = { 0.0, 0.0, 0.0, 1.0 };
+static const GimpRGB guide_normal_bg         = { 0.0, 0.8, 1.0, 1.0 };
+static const GimpRGB guide_active_fg         = { 0.0, 0.0, 0.0, 1.0 };
+static const GimpRGB guide_active_bg         = { 1.0, 0.0, 0.0, 1.0 };
+
+static const GimpRGB guide_mirror_normal_fg  = { 1.0, 1.0, 1.0, 1.0 };
+static const GimpRGB guide_mirror_normal_bg  = { 0.0, 1.0, 0.0, 1.0 };
+static const GimpRGB guide_mirror_active_fg  = { 0.0, 1.0, 0.0, 1.0 };
+static const GimpRGB guide_mirror_active_bg  = { 1.0, 0.0, 0.0, 1.0 };
+
+static const GimpRGB guide_mandala_normal_fg = { 1.0, 1.0, 1.0, 1.0 };
+static const GimpRGB guide_mandala_normal_bg = { 0.0, 1.0, 1.0, 1.0 };
+static const GimpRGB guide_mandala_active_fg = { 0.0, 1.0, 1.0, 1.0 };
+static const GimpRGB guide_mandala_active_bg = { 1.0, 0.0, 0.0, 1.0 };
+
+static const GimpRGB guide_split_normal_fg   = { 1.0, 1.0, 1.0, 1.0 };
+static const GimpRGB guide_split_normal_bg   = { 1.0, 0.0, 1.0, 1.0 };
+static const GimpRGB guide_split_active_fg   = { 1.0, 0.0, 1.0, 1.0 };
+static const GimpRGB guide_split_active_bg   = { 1.0, 0.0, 0.0, 1.0 };
+
+/* Styles for other canvas items. */
+static const GimpRGB sample_point_normal = { 0.0, 0.8, 1.0, 1.0 };
+static const GimpRGB sample_point_active = { 1.0, 0.0, 0.0, 1.0 };
+
+static const GimpRGB layer_fg            = { 0.0, 0.0, 0.0, 1.0 };
+static const GimpRGB layer_bg            = { 1.0, 1.0, 0.0, 1.0 };
+
+static const GimpRGB layer_group_fg      = { 0.0, 0.0, 0.0, 1.0 };
+static const GimpRGB layer_group_bg      = { 0.0, 1.0, 1.0, 1.0 };
+
+static const GimpRGB layer_mask_fg       = { 0.0, 0.0, 0.0, 1.0 };
+static const GimpRGB layer_mask_bg       = { 0.0, 1.0, 0.0, 1.0 };
+
+static const GimpRGB canvas_fg           = { 0.0, 0.0, 0.0, 1.0 };
+static const GimpRGB canvas_bg           = { 1.0, 0.5, 0.0, 1.0 };
+
+static const GimpRGB selection_out_fg    = { 1.0, 1.0, 1.0, 1.0 };
+static const GimpRGB selection_out_bg    = { 0.5, 0.5, 0.5, 1.0 };
+
+static const GimpRGB selection_in_fg     = { 0.0, 0.0, 0.0, 1.0 };
+static const GimpRGB selection_in_bg     = { 1.0, 1.0, 1.0, 1.0 };
+
+static const GimpRGB vectors_normal_bg   = { 1.0, 1.0, 1.0, 0.6 };
+static const GimpRGB vectors_normal_fg   = { 0.0, 0.0, 1.0, 0.8 };
+
+static const GimpRGB vectors_active_bg   = { 1.0, 1.0, 1.0, 0.6 };
+static const GimpRGB vectors_active_fg   = { 1.0, 0.0, 0.0, 0.8 };
+
+static const GimpRGB outline_bg          = { 1.0, 1.0, 1.0, 0.6 };
+static const GimpRGB outline_fg          = { 0.0, 0.0, 0.0, 0.8 };
+
+static const GimpRGB passe_partout       = { 0.0, 0.0, 0.0, 1.0 };
+
+static const GimpRGB tool_bg             = { 0.0, 0.0, 0.0, 0.4 };
+static const GimpRGB tool_fg             = { 1.0, 1.0, 1.0, 0.8 };
+static const GimpRGB tool_fg_highlight   = { 1.0, 0.8, 0.2, 0.8 };
+
+
+/*  public functions  */
+
+void
+gimp_canvas_set_guide_style (GtkWidget      *canvas,
+                             cairo_t        *cr,
+                             GimpGuideStyle  style,
+                             gboolean        active,
+                             gdouble         offset_x,
+                             gdouble         offset_y)
+{
+  cairo_pattern_t *pattern;
+  GimpRGB          normal_fg;
+  GimpRGB          normal_bg;
+  GimpRGB          active_fg;
+  GimpRGB          active_bg;
+  gdouble          line_width;
+
+  g_return_if_fail (GTK_IS_WIDGET (canvas));
+  g_return_if_fail (cr != NULL);
+
+  switch (style)
+    {
+    case GIMP_GUIDE_STYLE_NORMAL:
+      normal_fg  = guide_normal_fg;
+      normal_bg  = guide_normal_bg;
+      active_fg  = guide_active_fg;
+      active_bg  = guide_active_bg;
+      line_width = 1.0;
+      break;
+
+    case GIMP_GUIDE_STYLE_MIRROR:
+      normal_fg  = guide_mirror_normal_fg;
+      normal_bg  = guide_mirror_normal_bg;
+      active_fg  = guide_mirror_active_fg;
+      active_bg  = guide_mirror_active_bg;
+      line_width = 1.0;
+      break;
+
+    case GIMP_GUIDE_STYLE_MANDALA:
+      normal_fg  = guide_mandala_normal_fg;
+      normal_bg  = guide_mandala_normal_bg;
+      active_fg  = guide_mandala_active_fg;
+      active_bg  = guide_mandala_active_bg;
+      line_width = 1.0;
+      break;
+
+    case GIMP_GUIDE_STYLE_SPLIT_VIEW:
+      normal_fg  = guide_split_normal_fg;
+      normal_bg  = guide_split_normal_bg;
+      active_fg  = guide_split_active_fg;
+      active_bg  = guide_split_active_bg;
+      line_width = 1.0;
+      break;
+
+    default: /* GIMP_GUIDE_STYLE_NONE */
+      /* This should not happen. */
+      g_return_if_reached ();
+    }
+
+  cairo_set_line_width (cr, line_width);
+
+  if (active)
+    pattern = gimp_cairo_pattern_create_stipple (&active_fg, &active_bg, 0,
+                                                 offset_x, offset_y);
+  else
+    pattern = gimp_cairo_pattern_create_stipple (&normal_fg, &normal_bg, 0,
+                                                 offset_x, offset_y);
+
+  cairo_set_source (cr, pattern);
+  cairo_pattern_destroy (pattern);
+}
+
+void
+gimp_canvas_set_sample_point_style (GtkWidget *canvas,
+                                    cairo_t   *cr,
+                                    gboolean   active)
+{
+  g_return_if_fail (GTK_IS_WIDGET (canvas));
+  g_return_if_fail (cr != NULL);
+
+  cairo_set_line_width (cr, 1.0);
+
+  if (active)
+    gimp_cairo_set_source_rgb (cr, &sample_point_active);
+  else
+    gimp_cairo_set_source_rgb (cr, &sample_point_normal);
+}
+
+void
+gimp_canvas_set_grid_style (GtkWidget *canvas,
+                            cairo_t   *cr,
+                            GimpGrid  *grid,
+                            gdouble    offset_x,
+                            gdouble    offset_y)
+{
+  GimpRGB fg;
+  GimpRGB bg;
+
+  g_return_if_fail (GTK_IS_WIDGET (canvas));
+  g_return_if_fail (cr != NULL);
+  g_return_if_fail (GIMP_IS_GRID (grid));
+
+  cairo_set_line_width (cr, 1.0);
+
+  gimp_grid_get_fgcolor (grid, &fg);
+
+  switch (gimp_grid_get_style (grid))
+    {
+      cairo_pattern_t *pattern;
+
+    case GIMP_GRID_ON_OFF_DASH:
+    case GIMP_GRID_DOUBLE_DASH:
+      if (grid->style == GIMP_GRID_DOUBLE_DASH)
+        {
+          gimp_grid_get_bgcolor (grid, &bg);
+
+          pattern = gimp_cairo_pattern_create_stipple (&fg, &bg, 0,
+                                                       offset_x, offset_y);
+        }
+      else
+        {
+          gimp_rgba_set (&bg, 0.0, 0.0, 0.0, 0.0);
+
+          pattern = gimp_cairo_pattern_create_stipple (&fg, &bg, 0,
+                                                       offset_x, offset_y);
+        }
+
+      cairo_set_source (cr, pattern);
+      cairo_pattern_destroy (pattern);
+      break;
+
+    case GIMP_GRID_DOTS:
+    case GIMP_GRID_INTERSECTIONS:
+    case GIMP_GRID_SOLID:
+      gimp_cairo_set_source_rgb (cr, &fg);
+      break;
+    }
+}
+
+void
+gimp_canvas_set_pen_style (GtkWidget     *canvas,
+                           cairo_t       *cr,
+                           const GimpRGB *color,
+                           gint           width)
+{
+  g_return_if_fail (GTK_IS_WIDGET (canvas));
+  g_return_if_fail (cr != NULL);
+  g_return_if_fail (color != NULL);
+
+  cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE);
+  cairo_set_line_width (cr, width);
+  cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
+  cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND);
+
+  gimp_cairo_set_source_rgb (cr, color);
+}
+
+void
+gimp_canvas_set_layer_style (GtkWidget *canvas,
+                             cairo_t   *cr,
+                             GimpLayer *layer,
+                             gdouble    offset_x,
+                             gdouble    offset_y)
+{
+  cairo_pattern_t *pattern;
+
+  g_return_if_fail (GTK_IS_WIDGET (canvas));
+  g_return_if_fail (cr != NULL);
+  g_return_if_fail (GIMP_IS_LAYER (layer));
+
+  cairo_set_line_width (cr, 1.0);
+  cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE);
+
+  if (gimp_layer_get_mask (layer) &&
+      gimp_layer_get_edit_mask (layer))
+    {
+      pattern = gimp_cairo_pattern_create_stipple (&layer_mask_fg,
+                                                   &layer_mask_bg,
+                                                   0,
+                                                   offset_x, offset_y);
+    }
+  else if (gimp_viewable_get_children (GIMP_VIEWABLE (layer)))
+    {
+      pattern = gimp_cairo_pattern_create_stipple (&layer_group_fg,
+                                                   &layer_group_bg,
+                                                   0,
+                                                   offset_x, offset_y);
+    }
+  else
+    {
+      pattern = gimp_cairo_pattern_create_stipple (&layer_fg,
+                                                   &layer_bg,
+                                                   0,
+                                                   offset_x, offset_y);
+    }
+
+  cairo_set_source (cr, pattern);
+  cairo_pattern_destroy (pattern);
+}
+
+void
+gimp_canvas_set_canvas_style (GtkWidget *canvas,
+                              cairo_t   *cr,
+                              gdouble    offset_x,
+                              gdouble    offset_y)
+{
+  cairo_pattern_t *pattern;
+
+  g_return_if_fail (GTK_IS_WIDGET (canvas));
+  g_return_if_fail (cr != NULL);
+
+  cairo_set_line_width (cr, 1.0);
+  cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE);
+
+  pattern = gimp_cairo_pattern_create_stipple (&canvas_fg,
+                                               &canvas_bg,
+                                               0,
+                                               offset_x, offset_y);
+
+  cairo_set_source (cr, pattern);
+  cairo_pattern_destroy (pattern);
+}
+
+void
+gimp_canvas_set_selection_out_style (GtkWidget *canvas,
+                                     cairo_t   *cr,
+                                     gdouble    offset_x,
+                                     gdouble    offset_y)
+{
+  cairo_pattern_t *pattern;
+
+  g_return_if_fail (GTK_IS_WIDGET (canvas));
+  g_return_if_fail (cr != NULL);
+
+  cairo_set_line_width (cr, 1.0);
+  cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE);
+
+  pattern = gimp_cairo_pattern_create_stipple (&selection_out_fg,
+                                               &selection_out_bg,
+                                               0,
+                                               offset_x, offset_y);
+  cairo_set_source (cr, pattern);
+  cairo_pattern_destroy (pattern);
+}
+
+void
+gimp_canvas_set_selection_in_style (GtkWidget *canvas,
+                                    cairo_t   *cr,
+                                    gint       index,
+                                    gdouble    offset_x,
+                                    gdouble    offset_y)
+{
+  cairo_pattern_t *pattern;
+
+  g_return_if_fail (GTK_IS_WIDGET (canvas));
+  g_return_if_fail (cr != NULL);
+
+  cairo_set_line_width (cr, 1.0);
+  cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE);
+
+  pattern = gimp_cairo_pattern_create_stipple (&selection_in_fg,
+                                               &selection_in_bg,
+                                               index,
+                                               offset_x, offset_y);
+  cairo_set_source (cr, pattern);
+  cairo_pattern_destroy (pattern);
+}
+
+void
+gimp_canvas_set_vectors_bg_style (GtkWidget *canvas,
+                                  cairo_t   *cr,
+                                  gboolean   active)
+{
+  g_return_if_fail (GTK_IS_WIDGET (canvas));
+  g_return_if_fail (cr != NULL);
+
+  cairo_set_line_width (cr, 3.0);
+
+  if (active)
+    gimp_cairo_set_source_rgba (cr, &vectors_active_bg);
+  else
+    gimp_cairo_set_source_rgba (cr, &vectors_normal_bg);
+}
+
+void
+gimp_canvas_set_vectors_fg_style (GtkWidget *canvas,
+                                  cairo_t   *cr,
+                                  gboolean   active)
+{
+  g_return_if_fail (GTK_IS_WIDGET (canvas));
+  g_return_if_fail (cr != NULL);
+
+  cairo_set_line_width (cr, 1.0);
+
+  if (active)
+    gimp_cairo_set_source_rgba (cr, &vectors_active_fg);
+  else
+    gimp_cairo_set_source_rgba (cr, &vectors_normal_fg);
+}
+
+void
+gimp_canvas_set_outline_bg_style (GtkWidget *canvas,
+                                  cairo_t   *cr)
+{
+  g_return_if_fail (GTK_IS_WIDGET (canvas));
+  g_return_if_fail (cr != NULL);
+
+  cairo_set_line_width (cr, 1.0);
+  gimp_cairo_set_source_rgba (cr, &outline_bg);
+}
+
+void
+gimp_canvas_set_outline_fg_style (GtkWidget *canvas,
+                                  cairo_t   *cr)
+{
+  static const double dashes[] = { 4.0, 4.0 };
+
+  g_return_if_fail (GTK_IS_WIDGET (canvas));
+  g_return_if_fail (cr != NULL);
+
+  cairo_set_line_width (cr, 1.0);
+  gimp_cairo_set_source_rgba (cr, &outline_fg);
+  cairo_set_dash (cr, dashes, G_N_ELEMENTS (dashes), 0);
+}
+
+void
+gimp_canvas_set_passe_partout_style (GtkWidget *canvas,
+                                     cairo_t   *cr)
+{
+  g_return_if_fail (GTK_IS_WIDGET (canvas));
+  g_return_if_fail (cr != NULL);
+
+  gimp_cairo_set_source_rgba (cr, &passe_partout);
+}
+
+void
+gimp_canvas_set_tool_bg_style (GtkWidget *canvas,
+                               cairo_t   *cr)
+{
+  g_return_if_fail (GTK_IS_WIDGET (canvas));
+  g_return_if_fail (cr != NULL);
+
+  cairo_set_line_width (cr, 3.0);
+  cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND);
+
+  gimp_cairo_set_source_rgba (cr, &tool_bg);
+}
+
+void
+gimp_canvas_set_tool_fg_style (GtkWidget *canvas,
+                               cairo_t   *cr,
+                               gboolean   highlight)
+{
+  g_return_if_fail (cr != NULL);
+
+  cairo_set_line_width (cr, 1.0);
+  cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND);
+
+  if (highlight)
+    gimp_cairo_set_source_rgba (cr, &tool_fg_highlight);
+  else
+    gimp_cairo_set_source_rgba (cr, &tool_fg);
+}