Adding upstream version 2.10.22.upstream/2.10.22upstream

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

1 files changed, 200 insertions, 0 deletions

diff --git a/app/display/gimpdisplayshell-transform.h b/app/display/gimpdisplayshell-transform.h
new file mode 100644
index 0000000..1877b13
--- /dev/null
+++ b/app/display/gimpdisplayshell-transform.h
@@ -0,0 +1,200 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * 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/>.
+ */
+
+#ifndef __GIMP_DISPLAY_SHELL_TRANSFORM_H__
+#define __GIMP_DISPLAY_SHELL_TRANSFORM_H__
+
+
+/*  zoom: functions to transform from image space to unrotated display
+ *  space and back, taking into account scroll offset and scale
+ */
+
+void  gimp_display_shell_zoom_coords                   (GimpDisplayShell   *shell,
+                                                        const GimpCoords   *image_coords,
+                                                        GimpCoords         *display_coords);
+void  gimp_display_shell_unzoom_coords                 (GimpDisplayShell   *shell,
+                                                        const GimpCoords   *display_coords,
+                                                        GimpCoords         *image_coords);
+
+void  gimp_display_shell_zoom_xy                       (GimpDisplayShell   *shell,
+                                                        gdouble             x,
+                                                        gdouble             y,
+                                                        gint               *nx,
+                                                        gint               *ny);
+void  gimp_display_shell_unzoom_xy                     (GimpDisplayShell   *shell,
+                                                        gint                x,
+                                                        gint                y,
+                                                        gint               *nx,
+                                                        gint               *ny,
+                                                        gboolean            round);
+
+void  gimp_display_shell_zoom_xy_f                     (GimpDisplayShell   *shell,
+                                                        gdouble             x,
+                                                        gdouble             y,
+                                                        gdouble            *nx,
+                                                        gdouble            *ny);
+void  gimp_display_shell_unzoom_xy_f                   (GimpDisplayShell   *shell,
+                                                        gdouble             x,
+                                                        gdouble             y,
+                                                        gdouble            *nx,
+                                                        gdouble            *ny);
+
+void  gimp_display_shell_zoom_segments                 (GimpDisplayShell   *shell,
+                                                        const GimpBoundSeg *src_segs,
+                                                        GimpSegment        *dest_segs,
+                                                        gint                n_segs,
+                                                        gdouble             offset_x,
+                                                        gdouble             offset_y);
+
+
+/*  rotate: functions to transform from unrotated and unflipped but
+ *  zoomed display space to rotated and filpped display space and back
+ */
+
+void  gimp_display_shell_rotate_coords                 (GimpDisplayShell   *shell,
+                                                        const GimpCoords   *image_coords,
+                                                        GimpCoords         *display_coords);
+void  gimp_display_shell_unrotate_coords               (GimpDisplayShell   *shell,
+                                                        const GimpCoords   *display_coords,
+                                                        GimpCoords         *image_coords);
+
+void  gimp_display_shell_rotate_xy                     (GimpDisplayShell   *shell,
+                                                        gdouble             x,
+                                                        gdouble             y,
+                                                        gint               *nx,
+                                                        gint               *ny);
+void  gimp_display_shell_unrotate_xy                   (GimpDisplayShell   *shell,
+                                                        gint                x,
+                                                        gint                y,
+                                                        gint               *nx,
+                                                        gint               *ny);
+
+void  gimp_display_shell_rotate_xy_f                   (GimpDisplayShell   *shell,
+                                                        gdouble             x,
+                                                        gdouble             y,
+                                                        gdouble            *nx,
+                                                        gdouble            *ny);
+void  gimp_display_shell_unrotate_xy_f                 (GimpDisplayShell   *shell,
+                                                        gdouble             x,
+                                                        gdouble             y,
+                                                        gdouble            *nx,
+                                                        gdouble            *ny);
+
+void  gimp_display_shell_rotate_bounds                 (GimpDisplayShell   *shell,
+                                                        gdouble             x1,
+                                                        gdouble             y1,
+                                                        gdouble             x2,
+                                                        gdouble             y2,
+                                                        gdouble            *nx1,
+                                                        gdouble            *ny1,
+                                                        gdouble            *nx2,
+                                                        gdouble            *ny2);
+void  gimp_display_shell_unrotate_bounds               (GimpDisplayShell   *shell,
+                                                        gdouble             x1,
+                                                        gdouble             y1,
+                                                        gdouble             x2,
+                                                        gdouble             y2,
+                                                        gdouble            *nx1,
+                                                        gdouble            *ny1,
+                                                        gdouble            *nx2,
+                                                        gdouble            *ny2);
+
+
+/*  transform: functions to transform from image space to rotated
+ *  display space and back, taking into account scroll offset, scale,
+ *  rotation and flipping
+ */
+
+void  gimp_display_shell_transform_coords              (GimpDisplayShell   *shell,
+                                                        const GimpCoords   *image_coords,
+                                                        GimpCoords         *display_coords);
+void  gimp_display_shell_untransform_coords            (GimpDisplayShell   *shell,
+                                                        const GimpCoords   *display_coords,
+                                                        GimpCoords         *image_coords);
+
+void  gimp_display_shell_transform_xy                  (GimpDisplayShell   *shell,
+                                                        gdouble             x,
+                                                        gdouble             y,
+                                                        gint               *nx,
+                                                        gint               *ny);
+void  gimp_display_shell_untransform_xy                (GimpDisplayShell   *shell,
+                                                        gint                x,
+                                                        gint                y,
+                                                        gint               *nx,
+                                                        gint               *ny,
+                                                        gboolean            round);
+
+void  gimp_display_shell_transform_xy_f                (GimpDisplayShell   *shell,
+                                                        gdouble             x,
+                                                        gdouble             y,
+                                                        gdouble            *nx,
+                                                        gdouble            *ny);
+void  gimp_display_shell_untransform_xy_f              (GimpDisplayShell   *shell,
+                                                        gdouble             x,
+                                                        gdouble             y,
+                                                        gdouble            *nx,
+                                                        gdouble            *ny);
+
+void  gimp_display_shell_transform_bounds              (GimpDisplayShell   *shell,
+                                                        gdouble             x1,
+                                                        gdouble             y1,
+                                                        gdouble             x2,
+                                                        gdouble             y2,
+                                                        gdouble            *nx1,
+                                                        gdouble            *ny1,
+                                                        gdouble            *nx2,
+                                                        gdouble            *ny2);
+void  gimp_display_shell_untransform_bounds            (GimpDisplayShell   *shell,
+                                                        gdouble             x1,
+                                                        gdouble             y1,
+                                                        gdouble             x2,
+                                                        gdouble             y2,
+                                                        gdouble            *nx1,
+                                                        gdouble            *ny1,
+                                                        gdouble            *nx2,
+                                                        gdouble            *ny2);
+
+void  gimp_display_shell_transform_bounds_with_scale   (GimpDisplayShell   *shell,
+                                                        gdouble             scale,
+                                                        gdouble             x1,
+                                                        gdouble             y1,
+                                                        gdouble             x2,
+                                                        gdouble             y2,
+                                                        gdouble            *nx1,
+                                                        gdouble            *ny1,
+                                                        gdouble            *nx2,
+                                                        gdouble            *ny2);
+void  gimp_display_shell_untransform_bounds_with_scale (GimpDisplayShell   *shell,
+                                                        gdouble             scale,
+                                                        gdouble             x1,
+                                                        gdouble             y1,
+                                                        gdouble             x2,
+                                                        gdouble             y2,
+                                                        gdouble            *nx1,
+                                                        gdouble            *ny1,
+                                                        gdouble            *nx2,
+                                                        gdouble            *ny2);
+
+void  gimp_display_shell_untransform_viewport          (GimpDisplayShell   *shell,
+                                                        gboolean            clip,
+                                                        gint               *x,
+                                                        gint               *y,
+                                                        gint               *width,
+                                                        gint               *height);
+
+
+#endif /* __GIMP_DISPLAY_SHELL_TRANSFORM_H__ */