217 lines
12 KiB
C
217 lines
12 KiB
C
/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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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 3 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, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef __PIKA_DRAW_TOOL_H__
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#define __PIKA_DRAW_TOOL_H__
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#include "pikatool.h"
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#define PIKA_TOOL_HANDLE_SIZE_CIRCLE 13
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#define PIKA_TOOL_HANDLE_SIZE_CROSS 15
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#define PIKA_TOOL_HANDLE_SIZE_CROSSHAIR 43
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#define PIKA_TOOL_HANDLE_SIZE_LARGE 25
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#define PIKA_TOOL_HANDLE_SIZE_SMALL 7
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#define PIKA_TYPE_DRAW_TOOL (pika_draw_tool_get_type ())
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#define PIKA_DRAW_TOOL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), PIKA_TYPE_DRAW_TOOL, PikaDrawTool))
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#define PIKA_DRAW_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PIKA_TYPE_DRAW_TOOL, PikaDrawToolClass))
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#define PIKA_IS_DRAW_TOOL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PIKA_TYPE_DRAW_TOOL))
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#define PIKA_IS_DRAW_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PIKA_TYPE_DRAW_TOOL))
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#define PIKA_DRAW_TOOL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PIKA_TYPE_DRAW_TOOL, PikaDrawToolClass))
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typedef struct _PikaDrawToolClass PikaDrawToolClass;
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struct _PikaDrawTool
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{
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PikaTool parent_instance;
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PikaDisplay *display; /* The display we are drawing to (may be
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* a different one than tool->display)
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*/
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gint paused_count; /* count to keep track of multiple pauses */
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guint draw_timeout; /* draw delay timeout ID */
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guint64 last_draw_time; /* time of last draw(), monotonically */
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PikaToolWidget *widget;
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gchar *default_status;
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PikaCanvasItem *preview;
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PikaCanvasItem *item;
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GList *group_stack;
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};
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struct _PikaDrawToolClass
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{
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PikaToolClass parent_class;
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/* virtual function */
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void (* draw) (PikaDrawTool *draw_tool);
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};
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GType pika_draw_tool_get_type (void) G_GNUC_CONST;
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void pika_draw_tool_start (PikaDrawTool *draw_tool,
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PikaDisplay *display);
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void pika_draw_tool_stop (PikaDrawTool *draw_tool);
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gboolean pika_draw_tool_is_active (PikaDrawTool *draw_tool);
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void pika_draw_tool_pause (PikaDrawTool *draw_tool);
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void pika_draw_tool_resume (PikaDrawTool *draw_tool);
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gdouble pika_draw_tool_calc_distance (PikaDrawTool *draw_tool,
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PikaDisplay *display,
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gdouble x1,
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gdouble y1,
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gdouble x2,
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gdouble y2);
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gdouble pika_draw_tool_calc_distance_square (PikaDrawTool *draw_tool,
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PikaDisplay *display,
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gdouble x1,
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gdouble y1,
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gdouble x2,
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gdouble y2);
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void pika_draw_tool_set_widget (PikaDrawTool *draw_tool,
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PikaToolWidget *widget);
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void pika_draw_tool_set_default_status (PikaDrawTool *draw_tool,
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const gchar *status);
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void pika_draw_tool_add_preview (PikaDrawTool *draw_tool,
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PikaCanvasItem *item);
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void pika_draw_tool_remove_preview (PikaDrawTool *draw_tool,
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PikaCanvasItem *item);
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void pika_draw_tool_add_item (PikaDrawTool *draw_tool,
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PikaCanvasItem *item);
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void pika_draw_tool_remove_item (PikaDrawTool *draw_tool,
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PikaCanvasItem *item);
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PikaCanvasGroup* pika_draw_tool_add_stroke_group (PikaDrawTool *draw_tool);
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PikaCanvasGroup* pika_draw_tool_add_fill_group (PikaDrawTool *draw_tool);
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void pika_draw_tool_push_group (PikaDrawTool *draw_tool,
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PikaCanvasGroup *group);
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void pika_draw_tool_pop_group (PikaDrawTool *draw_tool);
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PikaCanvasItem * pika_draw_tool_add_line (PikaDrawTool *draw_tool,
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gdouble x1,
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gdouble y1,
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gdouble x2,
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gdouble y2);
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PikaCanvasItem * pika_draw_tool_add_guide (PikaDrawTool *draw_tool,
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PikaOrientationType orientation,
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gint position,
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PikaGuideStyle style);
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PikaCanvasItem * pika_draw_tool_add_crosshair (PikaDrawTool *draw_tool,
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gint position_x,
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gint position_y);
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PikaCanvasItem * pika_draw_tool_add_sample_point (PikaDrawTool *draw_tool,
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gint x,
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gint y,
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gint index);
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PikaCanvasItem * pika_draw_tool_add_rectangle (PikaDrawTool *draw_tool,
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gboolean filled,
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gdouble x,
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gdouble y,
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gdouble width,
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gdouble height);
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PikaCanvasItem * pika_draw_tool_add_arc (PikaDrawTool *draw_tool,
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gboolean filled,
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gdouble x,
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gdouble y,
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gdouble width,
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gdouble height,
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gdouble start_angle,
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gdouble slice_angle);
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PikaCanvasItem * pika_draw_tool_add_transform_preview(PikaDrawTool *draw_tool,
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PikaPickable *pickable,
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const PikaMatrix3 *transform,
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gdouble x1,
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gdouble y1,
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gdouble x2,
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gdouble y2);
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PikaCanvasItem * pika_draw_tool_add_handle (PikaDrawTool *draw_tool,
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PikaHandleType type,
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gdouble x,
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gdouble y,
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gint width,
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gint height,
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PikaHandleAnchor anchor);
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PikaCanvasItem * pika_draw_tool_add_lines (PikaDrawTool *draw_tool,
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const PikaVector2 *points,
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gint n_points,
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PikaMatrix3 *transform,
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gboolean filled);
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PikaCanvasItem * pika_draw_tool_add_strokes (PikaDrawTool *draw_tool,
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const PikaCoords *points,
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gint n_points,
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PikaMatrix3 *transform,
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gboolean filled);
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PikaCanvasItem * pika_draw_tool_add_pen (PikaDrawTool *draw_tool,
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const PikaVector2 *points,
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gint n_points,
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PikaContext *context,
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PikaActiveColor color,
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gint width);
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PikaCanvasItem * pika_draw_tool_add_boundary (PikaDrawTool *draw_tool,
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const PikaBoundSeg *bound_segs,
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gint n_bound_segs,
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PikaMatrix3 *transform,
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gdouble offset_x,
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gdouble offset_y);
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PikaCanvasItem * pika_draw_tool_add_text_cursor (PikaDrawTool *draw_tool,
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PangoRectangle *cursor,
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gboolean overwrite,
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PikaTextDirection direction);
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PikaCanvasItem * pika_draw_tool_add_text (PikaDrawTool *draw_tool,
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gdouble x,
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gdouble y,
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gdouble font_size,
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gchar *text);
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gboolean pika_draw_tool_on_handle (PikaDrawTool *draw_tool,
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PikaDisplay *display,
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gdouble x,
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gdouble y,
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PikaHandleType type,
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gdouble handle_x,
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gdouble handle_y,
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gint width,
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gint height,
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PikaHandleAnchor anchor);
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#endif /* __PIKA_DRAW_TOOL_H__ */
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