mirror of https://github.com/GNOME/gimp.git
235 lines
7.8 KiB
C
235 lines
7.8 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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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 __GRADIENT_HEADER_H__
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#define __GRADIENT_HEADER_H__
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#define GRAD_LIST_WIDTH 300
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#define GRAD_LIST_HEIGHT 80
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#define GRAD_SCROLLBAR_STEP_SIZE 0.05
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#define GRAD_SCROLLBAR_PAGE_SIZE 0.75
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#define GRAD_CLOSE_BUTTON_WIDTH 45
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#define GRAD_PREVIEW_WIDTH 600
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#define GRAD_PREVIEW_HEIGHT 64
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#define GRAD_CONTROL_HEIGHT 10
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#define GRAD_CHECK_SIZE 8
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#define GRAD_CHECK_SIZE_SM 4
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#define GRAD_CHECK_DARK (1.0 / 3.0)
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#define GRAD_CHECK_LIGHT (2.0 / 3.0)
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#define GRAD_COLOR_BOX_WIDTH 24
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#define GRAD_COLOR_BOX_HEIGHT 16
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#define GRAD_NUM_COLORS 10
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#define GRAD_MOVE_TIME 150 /* ms between mouse click and detection of movement in gradient control */
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#define GRAD_PREVIEW_EVENT_MASK (GDK_EXPOSURE_MASK | GDK_LEAVE_NOTIFY_MASK | \
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GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | \
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GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK)
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#define GRAD_CONTROL_EVENT_MASK (GDK_EXPOSURE_MASK | \
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GDK_LEAVE_NOTIFY_MASK | \
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GDK_POINTER_MOTION_MASK | \
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GDK_POINTER_MOTION_HINT_MASK | \
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GDK_BUTTON_PRESS_MASK | \
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GDK_BUTTON_RELEASE_MASK | \
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GDK_BUTTON1_MOTION_MASK)
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#define GRAD_UPDATE_PREVIEW 0x0001
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#define GRAD_UPDATE_CONTROL 0x0002
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#define GRAD_RESET_CONTROL 0X0004
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/***** Types *****/
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/* Gradient segment type */
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typedef enum {
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GRAD_LINEAR = 0,
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GRAD_CURVED,
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GRAD_SINE,
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GRAD_SPHERE_INCREASING,
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GRAD_SPHERE_DECREASING
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} grad_type_t;
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typedef enum {
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GRAD_RGB = 0, /* normal RGB */
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GRAD_HSV_CCW, /* counterclockwise hue */
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GRAD_HSV_CW /* clockwise hue */
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} grad_color_t;
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typedef struct _grad_segment_t {
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double left, middle, right; /* Left pos, midpoint, right pos */
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double r0, g0, b0, a0; /* Left color */
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double r1, g1, b1, a1; /* Right color */
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grad_type_t type; /* Segment's blending function */
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grad_color_t color; /* Segment's coloring type */
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struct _grad_segment_t *prev, *next; /* For linked list of segments */
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} grad_segment_t;
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/* Complete gradient type */
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typedef struct _gradient_t {
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char *name;
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grad_segment_t *segments;
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grad_segment_t *last_visited;
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int dirty;
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char *filename;
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GdkPixmap *pixmap;
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} gradient_t;
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/* Gradient editor type */
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typedef enum {
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GRAD_DRAG_NONE = 0,
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GRAD_DRAG_LEFT,
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GRAD_DRAG_MIDDLE,
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GRAD_DRAG_ALL
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} control_drag_mode_t;
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typedef struct {
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GtkWidget *shell;
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GdkGC *gc;
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GtkWidget *hint_label;
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GtkWidget *clist;
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GtkWidget *scrollbar;
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GtkWidget *preview;
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GtkWidget *control;
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/* Zoom and scrollbar */
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unsigned int zoom_factor;
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GtkObject *scroll_data;
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/* Instant update */
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int instant_update;
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/* Gradient preview */
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guchar *preview_rows[2]; /* For caching redraw info */
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gint preview_last_x;
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int preview_button_down;
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/* Gradient control */
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GdkPixmap *control_pixmap;
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grad_segment_t *control_drag_segment; /* Segment which is being dragged */
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grad_segment_t *control_sel_l; /* Left segment of selection */
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grad_segment_t *control_sel_r; /* Right segment of selection */
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control_drag_mode_t control_drag_mode; /* What is being dragged? */
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guint32 control_click_time; /* Time when mouse was pressed */
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int control_compress; /* Compressing/expanding handles */
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gint control_last_x; /* Last mouse position when dragging */
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double control_last_gx; /* Last position (wrt gradient) when dragging */
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double control_orig_pos; /* Original click position when dragging */
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GtkWidget *control_main_popup; /* Popup menu */
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GtkWidget *control_blending_label; /* Blending function label */
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GtkWidget *control_coloring_label; /* Coloring type label */
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GtkWidget *control_splitm_label; /* Split at midpoint label */
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GtkWidget *control_splitu_label; /* Split uniformly label */
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GtkWidget *control_delete_menu_item; /* Delete menu item */
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GtkWidget *control_delete_label; /* Delete label */
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GtkWidget *control_recenter_label; /* Re-center label */
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GtkWidget *control_redistribute_label; /* Re-distribute label */
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GtkWidget *control_flip_label; /* Flip label */
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GtkWidget *control_replicate_label; /* Replicate label */
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GtkWidget *control_blend_colors_menu_item; /* Blend colors menu item */
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GtkWidget *control_blend_opacity_menu_item; /* Blend opacity menu item */
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GtkWidget *control_left_load_popup; /* Left endpoint load menu */
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GtkWidget *control_left_save_popup; /* Left endpoint save menu */
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GtkWidget *control_right_load_popup; /* Right endpoint load menu */
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GtkWidget *control_right_save_popup; /* Right endpoint save menu */
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GtkWidget *control_blending_popup; /* Blending function menu */
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GtkWidget *control_coloring_popup; /* Coloring type menu */
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GtkWidget *control_sel_ops_popup; /* Selection ops menu */
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GtkAccelGroup *accel_group;
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/* Blending and coloring menus */
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GtkWidget *control_blending_items[5 + 1]; /* Add 1 for the "Varies" item */
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GtkWidget *control_coloring_items[3 + 1];
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/* Split uniformly dialog */
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int split_parts;
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/* Replicate dialog */
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int replicate_times;
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/* Saved colors */
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struct {
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double r, g, b, a;
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} saved_colors[GRAD_NUM_COLORS];
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GtkWidget *left_load_color_boxes[GRAD_NUM_COLORS + 3];
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GtkWidget *left_load_labels[GRAD_NUM_COLORS + 3];
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GtkWidget *left_save_color_boxes[GRAD_NUM_COLORS];
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GtkWidget *left_save_labels[GRAD_NUM_COLORS];
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GtkWidget *right_load_color_boxes[GRAD_NUM_COLORS + 3];
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GtkWidget *right_load_labels[GRAD_NUM_COLORS + 3];
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GtkWidget *right_save_color_boxes[GRAD_NUM_COLORS];
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GtkWidget *right_save_labels[GRAD_NUM_COLORS];
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/* Color dialogs */
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GtkWidget *left_color_preview;
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grad_segment_t *left_saved_segments;
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int left_saved_dirty;
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GtkWidget *right_color_preview;
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grad_segment_t *right_saved_segments;
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int right_saved_dirty;
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} gradient_editor_t;
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/* Selection dialog functions */
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void sel_update_dialogs(gint row, gradient_t *grad);
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void grad_sel_free_all();
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void grad_sel_refill_all();
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void grad_sel_rename_all(gint n, gradient_t *grad);
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void grad_sel_new_all(gint n, gradient_t *grad);
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void grad_sel_copy_all(gint n, gradient_t *grad);
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void grad_sel_delete_all(gint n);
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void grad_create_gradient_editor_init(gint need_show);
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void ed_insert_in_gradients_listbox(GdkGC *, GtkWidget *,gradient_t *grad, int pos, int select);
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gint grad_set_grad_to_name(gchar *name);
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gint ed_set_list_of_gradients(GdkGC *, GtkWidget *,gradient_t *);
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/* Varibles used */
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extern gradient_t *curr_gradient; /* The active gradient */
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extern GSList *gradients_list; /* The list of gradients */
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extern gradient_t *grad_default_gradient;
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extern gradient_editor_t *g_editor; /* The gradient editor */
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#endif /* __GRADIENT_HEADER_H__ */
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