Adding upstream version 2.10.22.upstream/2.10.22upstream

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

1 files changed, 386 insertions, 0 deletions

diff --git a/app/display/gimpcanvastextcursor.c b/app/display/gimpcanvastextcursor.c
new file mode 100644
index 0000000..aaa8c5f
--- /dev/null
+++ b/app/display/gimpcanvastextcursor.c
@@ -0,0 +1,386 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpcanvastextcursor.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 "libgimpbase/gimpbase.h"
+#include "libgimpmath/gimpmath.h"
+
+#include "display-types.h"
+
+#include "gimpcanvastextcursor.h"
+#include "gimpdisplayshell.h"
+
+
+enum
+{
+  PROP_0,
+  PROP_X,
+  PROP_Y,
+  PROP_WIDTH,
+  PROP_HEIGHT,
+  PROP_OVERWRITE,
+  PROP_DIRECTION
+};
+
+
+typedef struct _GimpCanvasTextCursorPrivate GimpCanvasTextCursorPrivate;
+
+struct _GimpCanvasTextCursorPrivate
+{
+  gint              x;
+  gint              y;
+  gint              width;
+  gint              height;
+  gboolean          overwrite;
+  GimpTextDirection direction;
+};
+
+#define GET_PRIVATE(text_cursor) \
+        ((GimpCanvasTextCursorPrivate *) gimp_canvas_text_cursor_get_instance_private ((GimpCanvasTextCursor *) (text_cursor)))
+
+
+/*  local function prototypes  */
+
+static void             gimp_canvas_text_cursor_set_property (GObject        *object,
+                                                              guint           property_id,
+                                                              const GValue   *value,
+                                                              GParamSpec     *pspec);
+static void             gimp_canvas_text_cursor_get_property (GObject        *object,
+                                                              guint           property_id,
+                                                              GValue         *value,
+                                                              GParamSpec     *pspec);
+static void             gimp_canvas_text_cursor_draw         (GimpCanvasItem *item,
+                                                              cairo_t        *cr);
+static cairo_region_t * gimp_canvas_text_cursor_get_extents  (GimpCanvasItem *item);
+
+
+G_DEFINE_TYPE_WITH_PRIVATE (GimpCanvasTextCursor, gimp_canvas_text_cursor,
+                            GIMP_TYPE_CANVAS_ITEM)
+
+#define parent_class gimp_canvas_text_cursor_parent_class
+
+
+static void
+gimp_canvas_text_cursor_class_init (GimpCanvasTextCursorClass *klass)
+{
+  GObjectClass        *object_class = G_OBJECT_CLASS (klass);
+  GimpCanvasItemClass *item_class   = GIMP_CANVAS_ITEM_CLASS (klass);
+
+  object_class->set_property = gimp_canvas_text_cursor_set_property;
+  object_class->get_property = gimp_canvas_text_cursor_get_property;
+
+  item_class->draw           = gimp_canvas_text_cursor_draw;
+  item_class->get_extents    = gimp_canvas_text_cursor_get_extents;
+
+  g_object_class_install_property (object_class, PROP_X,
+                                   g_param_spec_int ("x", NULL, NULL,
+                                                     -GIMP_MAX_IMAGE_SIZE,
+                                                     GIMP_MAX_IMAGE_SIZE, 0,
+                                                     GIMP_PARAM_READWRITE));
+
+  g_object_class_install_property (object_class, PROP_Y,
+                                   g_param_spec_int ("y", NULL, NULL,
+                                                     -GIMP_MAX_IMAGE_SIZE,
+                                                     GIMP_MAX_IMAGE_SIZE, 0,
+                                                     GIMP_PARAM_READWRITE));
+
+  g_object_class_install_property (object_class, PROP_WIDTH,
+                                   g_param_spec_int ("width", NULL, NULL,
+                                                     -GIMP_MAX_IMAGE_SIZE,
+                                                     GIMP_MAX_IMAGE_SIZE, 0,
+                                                     GIMP_PARAM_READWRITE));
+
+  g_object_class_install_property (object_class, PROP_HEIGHT,
+                                   g_param_spec_int ("height", NULL, NULL,
+                                                     -GIMP_MAX_IMAGE_SIZE,
+                                                     GIMP_MAX_IMAGE_SIZE, 0,
+                                                     GIMP_PARAM_READWRITE));
+
+  g_object_class_install_property (object_class, PROP_OVERWRITE,
+                                   g_param_spec_boolean ("overwrite", NULL, NULL,
+                                                         FALSE,
+                                                         GIMP_PARAM_READWRITE));
+
+  g_object_class_install_property (object_class, PROP_DIRECTION,
+                                   g_param_spec_enum ("direction", NULL, NULL,
+                                                     gimp_text_direction_get_type(),
+                                                     GIMP_TEXT_DIRECTION_LTR,
+                                                     GIMP_PARAM_READWRITE));
+}
+
+static void
+gimp_canvas_text_cursor_init (GimpCanvasTextCursor *text_cursor)
+{
+}
+
+static void
+gimp_canvas_text_cursor_set_property (GObject      *object,
+                                      guint         property_id,
+                                      const GValue *value,
+                                      GParamSpec   *pspec)
+{
+  GimpCanvasTextCursorPrivate *private = GET_PRIVATE (object);
+
+  switch (property_id)
+    {
+    case PROP_X:
+      private->x = g_value_get_int (value);
+      break;
+    case PROP_Y:
+      private->y = g_value_get_int (value);
+      break;
+    case PROP_WIDTH:
+      private->width = g_value_get_int (value);
+      break;
+    case PROP_HEIGHT:
+      private->height = g_value_get_int (value);
+      break;
+    case PROP_OVERWRITE:
+      private->overwrite = g_value_get_boolean (value);
+      break;
+    case PROP_DIRECTION:
+      private->direction = g_value_get_enum (value);
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+      break;
+    }
+}
+
+static void
+gimp_canvas_text_cursor_get_property (GObject    *object,
+                                      guint       property_id,
+                                      GValue     *value,
+                                      GParamSpec *pspec)
+{
+  GimpCanvasTextCursorPrivate *private = GET_PRIVATE (object);
+
+  switch (property_id)
+    {
+    case PROP_X:
+      g_value_set_int (value, private->x);
+      break;
+    case PROP_Y:
+      g_value_set_int (value, private->y);
+      break;
+    case PROP_WIDTH:
+      g_value_set_int (value, private->width);
+      break;
+    case PROP_HEIGHT:
+      g_value_set_int (value, private->height);
+      break;
+    case PROP_OVERWRITE:
+      g_value_set_boolean (value, private->overwrite);
+      break;
+    case PROP_DIRECTION:
+      g_value_set_enum (value, private->direction);
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+      break;
+    }
+}
+
+static void
+gimp_canvas_text_cursor_transform (GimpCanvasItem *item,
+                                   gdouble        *x,
+                                   gdouble        *y,
+                                   gdouble        *w,
+                                   gdouble        *h)
+{
+  GimpCanvasTextCursorPrivate *private = GET_PRIVATE (item);
+
+  gimp_canvas_item_transform_xy_f (item,
+                                   MIN (private->x,
+                                        private->x + private->width),
+                                   MIN (private->y,
+                                        private->y + private->height),
+                                   x, y);
+  gimp_canvas_item_transform_xy_f (item,
+                                   MAX (private->x,
+                                        private->x + private->width),
+                                   MAX (private->y,
+                                        private->y + private->height),
+                                   w, h);
+
+  *w -= *x;
+  *h -= *y;
+
+  *x = floor (*x) + 0.5;
+  *y = floor (*y) + 0.5;
+  switch (private->direction)
+    {
+    case GIMP_TEXT_DIRECTION_LTR:
+    case GIMP_TEXT_DIRECTION_RTL:
+      break;
+    case GIMP_TEXT_DIRECTION_TTB_RTL:
+    case GIMP_TEXT_DIRECTION_TTB_RTL_UPRIGHT:
+      *x = *x - *w;
+      break;
+    case GIMP_TEXT_DIRECTION_TTB_LTR:
+    case GIMP_TEXT_DIRECTION_TTB_LTR_UPRIGHT:
+      *y = *y + *h;
+      break;
+    }
+
+  if (private->overwrite)
+    {
+      *w = ceil (*w) - 1.0;
+      *h = ceil (*h) - 1.0;
+    }
+  else
+    {
+      switch (private->direction)
+        {
+        case GIMP_TEXT_DIRECTION_LTR:
+        case GIMP_TEXT_DIRECTION_RTL:
+          *w = 0;
+          *h = ceil (*h) - 1.0;
+           break;
+        case GIMP_TEXT_DIRECTION_TTB_RTL:
+        case GIMP_TEXT_DIRECTION_TTB_RTL_UPRIGHT:
+          *w = ceil (*w) - 1.0;
+          *h = 0;
+          break;
+        case GIMP_TEXT_DIRECTION_TTB_LTR:
+        case GIMP_TEXT_DIRECTION_TTB_LTR_UPRIGHT:
+          *w = ceil (*w) - 1.0;
+          *h = 0;
+          break;
+        }
+    }
+}
+
+static void
+gimp_canvas_text_cursor_draw (GimpCanvasItem *item,
+                              cairo_t        *cr)
+{
+  GimpCanvasTextCursorPrivate *private = GET_PRIVATE (item);
+  gdouble                      x, y;
+  gdouble                      w, h;
+
+  gimp_canvas_text_cursor_transform (item, &x, &y, &w, &h);
+
+  if (private->overwrite)
+    {
+      cairo_rectangle (cr, x, y, w, h);
+    }
+  else
+    {
+      switch (private->direction)
+        {
+        case GIMP_TEXT_DIRECTION_LTR:
+        case GIMP_TEXT_DIRECTION_RTL:
+          cairo_move_to (cr, x, y);
+          cairo_line_to (cr, x, y + h);
+
+          cairo_move_to (cr, x - 3.0, y);
+          cairo_line_to (cr, x + 3.0, y);
+
+          cairo_move_to (cr, x - 3.0, y + h);
+          cairo_line_to (cr, x + 3.0, y + h);
+          break;
+        case GIMP_TEXT_DIRECTION_TTB_RTL:
+        case GIMP_TEXT_DIRECTION_TTB_RTL_UPRIGHT:
+        case GIMP_TEXT_DIRECTION_TTB_LTR:
+        case GIMP_TEXT_DIRECTION_TTB_LTR_UPRIGHT:
+          cairo_move_to (cr, x, y);
+          cairo_line_to (cr, x + w, y);
+
+          cairo_move_to (cr, x, y - 3.0);
+          cairo_line_to (cr, x, y + 3.0);
+
+          cairo_move_to (cr, x + w, y - 3.0);
+          cairo_line_to (cr, x + w, y + 3.0);
+          break;
+        }
+    }
+
+  _gimp_canvas_item_stroke (item, cr);
+}
+
+static cairo_region_t *
+gimp_canvas_text_cursor_get_extents (GimpCanvasItem *item)
+{
+  GimpCanvasTextCursorPrivate *private = GET_PRIVATE (item);
+  cairo_rectangle_int_t        rectangle;
+  gdouble                      x, y;
+  gdouble                      w, h;
+
+  gimp_canvas_text_cursor_transform (item, &x, &y, &w, &h);
+
+  if (private->overwrite)
+    {
+      rectangle.x      = floor (x - 1.5);
+      rectangle.y      = floor (y - 1.5);
+      rectangle.width  = ceil (w + 3.0);
+      rectangle.height = ceil (h + 3.0);
+    }
+  else
+    {
+      switch (private->direction)
+        {
+        case GIMP_TEXT_DIRECTION_LTR:
+        case GIMP_TEXT_DIRECTION_RTL:
+          rectangle.x      = floor (x - 4.5);
+          rectangle.y      = floor (y - 1.5);
+          rectangle.width  = ceil (9.0);
+          rectangle.height = ceil (h + 3.0);
+          break;
+        case GIMP_TEXT_DIRECTION_TTB_RTL:
+        case GIMP_TEXT_DIRECTION_TTB_RTL_UPRIGHT:
+        case GIMP_TEXT_DIRECTION_TTB_LTR:
+        case GIMP_TEXT_DIRECTION_TTB_LTR_UPRIGHT:
+          rectangle.x      = floor (x - 1.5);
+          rectangle.y      = floor (y - 4.5);
+          rectangle.width  = ceil (w + 3.0);
+          rectangle.height = ceil (9.0);
+          break;
+        }
+    }
+
+  return cairo_region_create_rectangle (&rectangle);
+}
+
+GimpCanvasItem *
+gimp_canvas_text_cursor_new (GimpDisplayShell *shell,
+                             PangoRectangle   *cursor,
+                             gboolean          overwrite,
+                             GimpTextDirection direction)
+{
+  g_return_val_if_fail (GIMP_IS_DISPLAY_SHELL (shell), NULL);
+  g_return_val_if_fail (cursor != NULL, NULL);
+
+  return g_object_new (GIMP_TYPE_CANVAS_TEXT_CURSOR,
+                       "shell",     shell,
+                       "x",         cursor->x,
+                       "y",         cursor->y,
+                       "width",     cursor->width,
+                       "height",    cursor->height,
+                       "overwrite", overwrite,
+                       "direction", direction,
+                       NULL);
+}