Adding upstream version 2.10.36.upstream/2.10.36

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

1 files changed, 265 insertions, 0 deletions

diff --git a/app/widgets/gimpviewrendererbrush.c b/app/widgets/gimpviewrendererbrush.c
new file mode 100644
index 0000000..0bf0116
--- /dev/null
+++ b/app/widgets/gimpviewrendererbrush.c
@@ -0,0 +1,265 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpviewrendererbrush.c
+ * Copyright (C) 2003 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 "widgets-types.h"
+
+#include "core/gimpbrushpipe.h"
+#include "core/gimpbrushgenerated.h"
+#include "core/gimptempbuf.h"
+
+#include "gimpviewrendererbrush.h"
+
+
+static void   gimp_view_renderer_brush_finalize (GObject          *object);
+static void   gimp_view_renderer_brush_render   (GimpViewRenderer *renderer,
+                                                 GtkWidget        *widget);
+static void   gimp_view_renderer_brush_draw     (GimpViewRenderer *renderer,
+                                                 GtkWidget        *widget,
+                                                 cairo_t          *cr,
+                                                 gint              available_width,
+                                                 gint              available_height);
+
+static gboolean gimp_view_renderer_brush_render_timeout (gpointer    data);
+
+
+G_DEFINE_TYPE (GimpViewRendererBrush, gimp_view_renderer_brush,
+               GIMP_TYPE_VIEW_RENDERER)
+
+#define parent_class gimp_view_renderer_brush_parent_class
+
+
+static void
+gimp_view_renderer_brush_class_init (GimpViewRendererBrushClass *klass)
+{
+  GObjectClass          *object_class   = G_OBJECT_CLASS (klass);
+  GimpViewRendererClass *renderer_class = GIMP_VIEW_RENDERER_CLASS (klass);
+
+  object_class->finalize = gimp_view_renderer_brush_finalize;
+
+  renderer_class->render = gimp_view_renderer_brush_render;
+  renderer_class->draw   = gimp_view_renderer_brush_draw;
+}
+
+static void
+gimp_view_renderer_brush_init (GimpViewRendererBrush *renderer)
+{
+  renderer->pipe_timeout_id      = 0;
+  renderer->pipe_animation_index = 0;
+}
+
+static void
+gimp_view_renderer_brush_finalize (GObject *object)
+{
+  GimpViewRendererBrush *renderer = GIMP_VIEW_RENDERER_BRUSH (object);
+
+  if (renderer->pipe_timeout_id)
+    {
+      g_source_remove (renderer->pipe_timeout_id);
+      renderer->pipe_timeout_id = 0;
+    }
+
+  G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+gimp_view_renderer_brush_render (GimpViewRenderer *renderer,
+                                 GtkWidget        *widget)
+{
+  GimpViewRendererBrush *renderbrush = GIMP_VIEW_RENDERER_BRUSH (renderer);
+  GimpTempBuf           *temp_buf;
+  gint                   temp_buf_x = 0;
+  gint                   temp_buf_y = 0;
+  gint                   temp_buf_width;
+  gint                   temp_buf_height;
+
+  if (renderbrush->pipe_timeout_id)
+    {
+      g_source_remove (renderbrush->pipe_timeout_id);
+      renderbrush->pipe_timeout_id = 0;
+    }
+
+  temp_buf = gimp_viewable_get_new_preview (renderer->viewable,
+                                            renderer->context,
+                                            renderer->width,
+                                            renderer->height);
+
+  temp_buf_width  = gimp_temp_buf_get_width  (temp_buf);
+  temp_buf_height = gimp_temp_buf_get_height (temp_buf);
+
+  if (temp_buf_width < renderer->width)
+    temp_buf_x = (renderer->width - temp_buf_width) / 2;
+
+  if (temp_buf_height < renderer->height)
+    temp_buf_y = (renderer->height - temp_buf_height) / 2;
+
+  if (renderer->is_popup)
+    {
+      gimp_view_renderer_render_temp_buf (renderer, widget, temp_buf,
+                                          temp_buf_x, temp_buf_y,
+                                          -1,
+                                          GIMP_VIEW_BG_WHITE,
+                                          GIMP_VIEW_BG_WHITE);
+
+      gimp_temp_buf_unref (temp_buf);
+
+      if (GIMP_IS_BRUSH_PIPE (renderer->viewable))
+        {
+          renderbrush->widget = widget;
+          renderbrush->pipe_animation_index = 0;
+          renderbrush->pipe_timeout_id =
+            g_timeout_add (300, gimp_view_renderer_brush_render_timeout,
+                           renderbrush);
+        }
+
+      return;
+    }
+
+  gimp_view_renderer_render_temp_buf (renderer, widget, temp_buf,
+                                      temp_buf_x, temp_buf_y,
+                                      -1,
+                                      GIMP_VIEW_BG_WHITE,
+                                      GIMP_VIEW_BG_WHITE);
+
+  gimp_temp_buf_unref (temp_buf);
+}
+
+static gboolean
+gimp_view_renderer_brush_render_timeout (gpointer data)
+{
+  GimpViewRendererBrush *renderbrush = GIMP_VIEW_RENDERER_BRUSH (data);
+  GimpViewRenderer      *renderer    = GIMP_VIEW_RENDERER (data);
+  GimpBrushPipe         *brush_pipe;
+  GimpBrush             *brush;
+  GimpTempBuf           *temp_buf;
+  gint                   temp_buf_x = 0;
+  gint                   temp_buf_y = 0;
+  gint                   temp_buf_width;
+  gint                   temp_buf_height;
+
+  if (! renderer->viewable)
+    {
+      renderbrush->pipe_timeout_id      = 0;
+      renderbrush->pipe_animation_index = 0;
+
+      return FALSE;
+    }
+
+  brush_pipe = GIMP_BRUSH_PIPE (renderer->viewable);
+
+  renderbrush->pipe_animation_index++;
+
+  if (renderbrush->pipe_animation_index >= brush_pipe->n_brushes)
+    renderbrush->pipe_animation_index = 0;
+
+  brush =
+    GIMP_BRUSH (brush_pipe->brushes[renderbrush->pipe_animation_index]);
+
+  temp_buf = gimp_viewable_get_new_preview (GIMP_VIEWABLE (brush),
+                                            renderer->context,
+                                            renderer->width,
+                                            renderer->height);
+
+  temp_buf_width  = gimp_temp_buf_get_width  (temp_buf);
+  temp_buf_height = gimp_temp_buf_get_height (temp_buf);
+
+  if (temp_buf_width < renderer->width)
+    temp_buf_x = (renderer->width - temp_buf_width) / 2;
+
+  if (temp_buf_height < renderer->height)
+    temp_buf_y = (renderer->height - temp_buf_height) / 2;
+
+  gimp_view_renderer_render_temp_buf (renderer, renderbrush->widget, temp_buf,
+                                      temp_buf_x, temp_buf_y,
+                                      -1,
+                                      GIMP_VIEW_BG_WHITE,
+                                      GIMP_VIEW_BG_WHITE);
+
+  gimp_temp_buf_unref (temp_buf);
+
+  gimp_view_renderer_update (renderer);
+
+  return TRUE;
+}
+
+static void
+gimp_view_renderer_brush_draw (GimpViewRenderer *renderer,
+                               GtkWidget        *widget,
+                               cairo_t          *cr,
+                               gint              available_width,
+                               gint              available_height)
+{
+  GIMP_VIEW_RENDERER_CLASS (parent_class)->draw (renderer, widget, cr,
+                                                 available_width,
+                                                 available_height);
+
+#define INDICATOR_WIDTH  7
+#define INDICATOR_HEIGHT 7
+
+  if (renderer->width  > 2 * INDICATOR_WIDTH &&
+      renderer->height > 2 * INDICATOR_HEIGHT)
+    {
+      gboolean  pipe      = GIMP_IS_BRUSH_PIPE (renderer->viewable);
+      gboolean  generated = GIMP_IS_BRUSH_GENERATED (renderer->viewable);
+      gint      brush_width;
+      gint      brush_height;
+
+      if (generated || pipe)
+        {
+          cairo_move_to (cr, available_width, available_height);
+          cairo_rel_line_to (cr, - INDICATOR_WIDTH, 0);
+          cairo_rel_line_to (cr, INDICATOR_WIDTH, - INDICATOR_HEIGHT);
+          cairo_rel_line_to (cr, 0, INDICATOR_HEIGHT);
+
+          if (pipe)
+            cairo_set_source_rgb (cr, 1.0, 0.5, 0.5);
+          else
+            cairo_set_source_rgb (cr, 0.5, 0.6, 1.0);
+
+          cairo_fill (cr);
+        }
+
+      gimp_viewable_get_size (renderer->viewable, &brush_width, &brush_height);
+
+      if (renderer->width < brush_width || renderer->height < brush_height)
+        {
+          cairo_move_to (cr,
+                         available_width  - INDICATOR_WIDTH + 1,
+                         available_height - INDICATOR_HEIGHT / 2.0);
+          cairo_rel_line_to (cr, INDICATOR_WIDTH - 2, 0);
+
+          cairo_move_to (cr,
+                         available_width  - INDICATOR_WIDTH / 2.0,
+                         available_height - INDICATOR_HEIGHT + 1);
+          cairo_rel_line_to (cr, 0, INDICATOR_WIDTH - 2);
+
+          cairo_set_source_rgb (cr, 0.0, 0.0, 0.0);
+          cairo_set_line_width (cr, 1);
+          cairo_stroke (cr);
+        }
+    }
+
+#undef INDICATOR_WIDTH
+#undef INDICATOR_HEIGHT
+}