mirror of https://github.com/GNOME/gimp.git
159 lines
6.6 KiB
C
159 lines
6.6 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995-2001 Spencer Kimball, Peter Mattis, and others
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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 2 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __GIMP_TRANSFORM_TOOL_H__
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#define __GIMP_TRANSFORM_TOOL_H__
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#include "tools/gimptool.h"
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#define GIMP_TYPE_TRANSFORM_TOOL (gimp_transform_tool_get_type ())
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#define GIMP_TRANSFORM_TOOL(obj) (GTK_CHECK_CAST ((obj), GIMP_TYPE_TRANSFORM_TOOL, GimpTransformTool))
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#define GIMP_IS_TRANSFORM_TOOL(obj) (GTK_CHECK_TYPE ((obj), GIMP_TYPE_TRANSFORM_TOOL))
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#define GIMP_TRANSFORM_TOOL_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GIMP_TYPE_TRANSFORM_TOOL, GimpTransformToolClass))
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#define GIMP_IS_TRANSFORM_TOOL_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_TRANSFORM_TOOL))
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typedef struct _GimpTransformToolClass GimpTransformToolClass;
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/* buffer sizes for scaling information strings (for the info dialog) */
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#define MAX_INFO_BUF 40
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#define TRAN_INFO_SIZE 8
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enum BoundingBox
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{
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X0, Y0, X1, Y1, X2, Y2, X3, Y3
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};
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typedef gdouble TranInfo[TRAN_INFO_SIZE];
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struct _GimpTransformTool
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{
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GimpDrawTool parent_instance;
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gint startx; /* starting x coord */
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gint starty; /* starting y coord */
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gint curx; /* current x coord */
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gint cury; /* current y coord */
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gint lastx; /* last x coord */
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gint lasty; /* last y coord */
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gint state; /* state of buttons and keys */
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gint x1, y1; /* upper left hand coordinate */
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gint x2, y2; /* lower right hand coords */
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gint cx, cy; /* center point (for rotation) */
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gdouble tx1, ty1; /* transformed coords */
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gdouble tx2, ty2; /* */
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gdouble tx3, ty3; /* */
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gdouble tx4, ty4; /* */
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gdouble tcx, tcy; /* */
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gint sx1, sy1; /* transformed screen coords */
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gint sx2, sy2; /* position of four handles */
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gint sx3, sy3; /* */
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gint sx4, sy4; /* */
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gint scx, scy; /* and center for rotation */
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GimpMatrix3 transform; /* transformation matrix */
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TranInfo trans_info; /* transformation info */
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TileManager *original; /* pointer to original tiles */
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TransformAction function; /* current tool activity */
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gboolean interactive; /* tool is interactive */
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gboolean bpressed; /* Bug work around make sure we have
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* a button pressed before we deal with
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* motion events. ALT.
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*/
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gint ngx, ngy; /* number of grid lines in original
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* x and y directions
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*/
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gdouble *grid_coords; /* x and y coordinates of the grid
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* endpoints (a total of (ngx+ngy)*2
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* coordinate pairs)
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*/
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gdouble *tgrid_coords; /* transformed grid_coords */
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};
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struct _GimpTransformToolClass {
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GimpDrawToolClass parent_class;
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TileManager * (* transform) (GimpTransformTool *tool,
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GDisplay *gdisp,
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TransformState state);
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};
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/* Special undo type */
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typedef struct _TransformUndo TransformUndo;
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struct _TransformUndo
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{
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/* Is this the right thing to do? */
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GimpTransformTool *tool;
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TranInfo trans_info;
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TileManager *original;
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gpointer path_undo;
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};
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/* make this variable available to all */
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/* Do we still need to do this? -- rock */
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extern InfoDialog * transform_info;
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/* transform tool functions */
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/* make PDB compile: ToolType doesn't exist any more
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Tool * gimp_transform_tool_new (GimpTransformToolType tool_type,
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gboolean interactive);
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*/
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void gimp_transform_tool_destroy (GtkObject *tool);
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void gimp_transform_tool_draw (GimpTransformTool *tool);
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void gimp_transform_tool_no_draw (GimpTransformTool *tool);
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void gimp_transform_tool_transform_bounding_box (GimpTransformTool *tool);
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void gimp_transform_tool_reset (GimpTransformTool *tool,
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GDisplay *gdisp);
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void gimp_transform_tool_grid_density_changed (void);
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void gimp_transform_tool_showpath_changed (gint type);
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TileManager * gimp_transform_tool_transform (GimpTransformTool *tool,
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GDisplay *gdisp,
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TransformState state);
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/* transform functions */
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/* FIXME this function needs to be renamed */
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TileManager * gimp_transform_tool_do (GimpImage *gimage,
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GimpDrawable *drawable,
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TileManager *float_tiles,
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gboolean interpolation,
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GimpMatrix3 matrix,
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GimpProgressFunc progress_callback,
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gpointer progress_data);
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TileManager * gimp_transform_tool_cut (GimpImage *gimage,
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GimpDrawable *drawable,
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gboolean *new_layer);
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gboolean gimp_transform_tool_paste (GimpImage *gimage,
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GimpDrawable *drawable,
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TileManager *tiles,
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gboolean new_layer);
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GtkType gimp_transform_tool_get_type (void);
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#endif /* __GIMP_TRANSFORM_TOOL_H__ */
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