/* PIKA - Photo and Image Kooker Application * a rebranding of The GNU Image Manipulation Program (created with heckimp) * A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio * * Original copyright, applying to most contents (license remains unchanged): * * pikacagetool.h * Copyright (C) 2010 Michael Muré * * 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 . */ #ifndef __PIKA_CAGE_TOOL_H__ #define __PIKA_CAGE_TOOL_H__ #include "pikadrawtool.h" #define PIKA_TYPE_CAGE_TOOL (pika_cage_tool_get_type ()) #define PIKA_CAGE_TOOL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), PIKA_TYPE_CAGE_TOOL, PikaCageTool)) #define PIKA_CAGE_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PIKA_TYPE_CAGE_TOOL, PikaCageToolClass)) #define PIKA_IS_CAGE_TOOL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PIKA_TYPE_CAGE_TOOL)) #define PIKA_IS_CAGE_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PIKA_TYPE_CAGE_TOOL)) #define PIKA_CAGE_TOOL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PIKA_TYPE_CAGE_TOOL, PikaCageToolClass)) #define PIKA_CAGE_TOOL_GET_OPTIONS(t) (PIKA_CAGE_OPTIONS (pika_tool_get_options (PIKA_TOOL (t)))) typedef struct _PikaCageTool PikaCageTool; typedef struct _PikaCageToolClass PikaCageToolClass; struct _PikaCageTool { PikaDrawTool parent_instance; PikaCageConfig *config; gint offset_x; /* used to convert the cage point coords */ gint offset_y; /* to drawable coords */ gdouble cursor_x; /* Hold the cursor x position */ gdouble cursor_y; /* Hold the cursor y position */ gdouble movement_start_x; /* Where the movement started */ gdouble movement_start_y; /* Where the movement started */ gdouble selection_start_x; /* Where the selection started */ gdouble selection_start_y; /* Where the selection started */ gint hovering_handle; /* Handle which the cursor is above */ gint hovering_edge; /* Edge which the cursor is above */ GeglBuffer *coef; /* Gegl buffer where the coefficient of the transformation are stored */ gboolean dirty_coef; /* Indicate if the coef are still valid */ GeglNode *render_node; /* Gegl node graph to render the transformation */ GeglNode *cage_node; /* Gegl node that compute the cage transform */ GeglNode *coef_node; /* Gegl node that read in the coef buffer */ gint tool_state; /* Current state in statemachine */ PikaDrawableFilter *filter; /* For preview */ }; struct _PikaCageToolClass { PikaDrawToolClass parent_class; }; void pika_cage_tool_register (PikaToolRegisterCallback callback, gpointer data); GType pika_cage_tool_get_type (void) G_GNUC_CONST; #endif /* __PIKA_CAGE_TOOL_H__ */