306 lines
17 KiB
C
306 lines
17 KiB
C
/* Grafx2 - The Ultimate 256-color bitmap paint program
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Copyright 2008 Yves Rizoud
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Copyright 2007 Adrien Destugues
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Copyright 1996-2001 Sunset Design (Guillaume Dorme & Karl Maritaud)
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Grafx2 is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; version 2
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of the License.
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Grafx2 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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You should have received a copy of the GNU General Public License
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along with Grafx2; if not, see <http://www.gnu.org/licenses/>
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*/
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//////////////////////////////////////////////////////////////////////////////
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///@file struct.h
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/// Structures that can be used in the whole program.
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//////////////////////////////////////////////////////////////////////////////
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#ifndef _STRUCT_H_
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#define _STRUCT_H_
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#if defined(__BEOS__)
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#include <inttypes.h>
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#else
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#include <stdint.h>
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#endif
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#include "const.h"
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// Definition of the base data types
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/// 8bit unsigned integer
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#define byte uint8_t
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/// 16bit unsigned integer
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#define word uint16_t
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/// 32bit unsigned integer
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#define dword uint32_t
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/// 64bit unsigned integer
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#define qword uint64_t
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// Named function prototypes
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typedef void (* Func_action) (void);
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typedef void (* Func_pixel) (word,word,byte);
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typedef byte (* Func_read) (word,word);
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typedef void (* Func_clear) (byte);
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typedef void (* Func_display) (word,word,word);
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typedef byte (* Func_effect) (word,word,byte);
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typedef void (* Func_block) (word,word,word,word,byte);
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typedef void (* Func_line_XOR) (word,word,word);
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typedef void (* Func_display_brush_color) (word,word,word,word,word,word,byte,word);
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typedef void (* Func_display_brush_mono) (word,word,word,word,word,word,byte,byte,word);
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typedef void (* Func_gradient) (long,short,short);
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typedef void (* Func_remap) (word,word,word,word,byte *);
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typedef void (* Func_procsline) (word,word,word,byte *);
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typedef void (* Func_display_zoom) (word,word,word,byte *);
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typedef void (* Func_display_brush_color_zoom) (word,word,word,word,word,word,byte,word,byte *);
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typedef void (* Func_display_brush_mono_zoom) (word,word,word,word,word,word,byte,byte,word,byte *);
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typedef void (* Func_draw_brush) (byte *,word,word,word,word,word,word,byte,word);
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/// A set of RGB values.
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typedef struct
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{
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byte R; ///< Red
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byte G; ///< Green
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byte B; ///< Blue
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}__attribute__ ((__packed__)) T_Components, T_Palette[256]; ///< A complete 256-entry RGB palette (768 bytes).
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/// A normal rectangular button in windows and menus.
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typedef struct T_Normal_button
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{
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short Number; ///< Unique identifier for all controls
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word Pos_X; ///< Coordinate for top of button, relative to the window, before scaling.
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word Pos_Y; ///< Coordinate for left of button, relative to the window, before scaling.
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word Width; ///< Width before scaling
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word Height; ///< Height before scaling
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byte Clickable; ///< Boolean, unused.
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byte Repeatable; ///< Boolean, true if the button activates repeatedly until you release the mouse button. Used for "+" buttons, for example.
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word Shortcut; ///< Keyboard shortcut that will emulate a click on this button.
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struct T_Normal_button * Next;///< Pointer to the next normal button of current window.
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} T_Normal_button;
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/// A window control that shows a complete 256-color palette
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typedef struct T_Palette_button
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{
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short Number; ///< Unique identifier for all controls
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word Pos_X; ///< Coordinate for top of button, relative to the window, before scaling.
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word Pos_Y; ///< Coordinate for left of button, relative to the window, before scaling.
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struct T_Palette_button * Next;///< Pointer to the next palette of current window.
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} T_Palette_button;
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/// A window control that represents a vertical scrollbar, with a slider, and two arrow buttons.
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typedef struct T_Scroller_button
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{
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short Number; ///< Unique identifier for all controls
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word Pos_X; ///< Coordinate for top of button, relative to the window, before scaling.
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word Pos_Y; ///< Coordinate for left of button, relative to the window, before scaling.
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word Height; ///< Height before scaling.
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word Nb_elements; ///< Number of distinct values it can take.
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word Nb_visibles; ///< If this slider is meant to show several elements of a collection, this is their number (otherwise, it's 1).
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word Position; ///< Current position of the slider: which item it's pointing.
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word Cursor_height; ///< Vertical dimension of the slider, in pixels before scaling.
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struct T_Scroller_button * Next;///< Pointer to the next scroller of current window.
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} T_Scroller_button;
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///
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/// A window control that only has a rectangular "active" area which catches mouse clicks,
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// but no visible shape. It's used for custom controls where the drawing is done on
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// a case by case basis.
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typedef struct T_Special_button
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{
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short Number; ///< Unique identifier for all controls
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word Pos_X; ///< Coordinate for top of button, relative to the window, before scaling.
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word Pos_Y; ///< Coordinate for left of button, relative to the window, before scaling.
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word Width; ///< Width before scaling
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word Height; ///< Height before scaling
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struct T_Special_button * Next;///< Pointer to the next special button of current window.
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} T_Special_button;
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/// Data for a dropdown item, ie. one proposed choice.
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typedef struct T_Dropdown_choice
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{
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short Number; ///< Value that identifies the choice (for this dropdown only)
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const char * Label; ///< String to display in the dropdown panel
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struct T_Dropdown_choice * Next;///< Pointer to the next choice for this dropdown.
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} T_Dropdown_choice;
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/// A window control that behaves like a dropdown button.
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typedef struct T_Dropdown_button
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{
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short Number; ///< Unique identifier for all controls
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word Pos_X; ///< Coordinate for top of button, relative to the window, before scaling.
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word Pos_Y; ///< Coordinate for left of button, relative to the window, before scaling.
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word Width; ///< Width before scaling
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word Height; ///< Height before scaling
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byte Display_choice; ///< Boolean, true if the engine should print the selected item's label in the dropdown area when the user chooses it.
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byte Display_centered; ///< Boolean, true to center the labels (otherwise, align left)
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byte Display_arrow; ///< Boolean, true to display a "down" arrow box in top right
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byte Active_button; ///< Determines which mouse button(s) cause the dropdown panel to open: LEFT_SIDE || RIGHT_SIDE || (LEFT_SIDE|RIGHT_SIDE)
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word Dropdown_width; ///< Width of the dropdown panel when it's open. Use 0 for "same as the dropdown button"
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T_Dropdown_choice * First_item; ///< Linked list with the choices available for this dropdown.
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struct T_Dropdown_button * Next;///< Pointer to the next dropdown button of current window.
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} T_Dropdown_button;
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/// Data for one item (file, directory) in a fileselector.
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typedef struct T_Fileselector_item
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{
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char Short_name[19]; ///< Name to display.
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char Full_name[256]; ///< Filesystem value.
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byte Type; ///< Type of item: 0 = File, 1 = Directory, 2 = Drive
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struct T_Fileselector_item * Next; ///< Pointer to next item of the current fileselector.
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struct T_Fileselector_item * Previous;///< Pointer to previous item of the current fileselector.
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} T_Fileselector_item;
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/// Data for one line of the "Help" screens.
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typedef struct {
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char Line_type; ///< Kind of line: 'N' for normal line, 'S' for a bold line, 'K' for a line with keyboard shortcut, 'T' and '-' for upper and lower titles.
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char * Text; ///< Displayed string.
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int Line_parameter; ///< Generic parameter depending on line type. For 'K' lines: a shortcut identifier. For others: unused.
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} T_Help_table;
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/// Data for one section of the "Help" screens, ie a page.
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typedef struct
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{
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const T_Help_table* Help_table; ///< Pointer to the array of ::T_Help_table that contains the lines
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word Length; ///< Size of the array of lines
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} T_Help_section;
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/// Data for one setting of gradients. Warning, this one is saved/loaded as binary.
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typedef struct
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{
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byte Start; ///< First color
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byte End; ///< Last color
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dword Inverse; ///< Boolean, true if the gradient goes in descending order
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dword Mix; ///< Amount of randomness to add to the mix (0-255)
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dword Technique;///< Gradient technique: 0 (no pattern) 1 (dithering), or 2 (big dithering)
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} T_Gradient_array;
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/// Data for one setting of shade. Warning, this one is saved/loaded as binary.
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typedef struct
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{
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word List[512]; ///< List of entries, each one is either a color (0-255) or -1 for empty.
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byte Step; ///< Step to increment/decrement on left-clicks.
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byte Mode; ///< Shade mode: Normal, Loop, or No-saturation see ::SHADE_MODES
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} T_Shade;
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/// Data for one fullscreen video mode in configuration file. Warning, this one is saved/loaded as binary.
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typedef struct
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{
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byte State; ///< How good is the mode supported. 0:Good (white) 1:OK (light) 2:So-so (dark) 4:User-disabled (black); +128 => System doesn't support it at all.
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word Width; ///< Videomode width in pixels.
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word Height;///< Videomode height in pixels.
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} __attribute__((__packed__)) T_Config_video_mode;
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/// Header for gfx2.cfg. Warning, this one is saved/loaded as binary.
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typedef struct
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{
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char Signature[3]; ///< Signature for the file format. "CFG".
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byte Version1; ///< Major version number (ex: 2)
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byte Version2; ///< Minor version number (ex: 0)
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byte Beta1; ///< Major beta version number (ex: 96)
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byte Beta2; ///< Major beta version number (ex: 5)
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} __attribute__((__packed__)) T_Config_header;
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/// Header for a config chunk in for gfx2.cfg. Warning, this one is saved/loaded as binary.
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typedef struct
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{
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byte Number; ///< Section identfier. Possible values are in enum ::CHUNKS_CFG
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word Size; ///< Size of the configuration block that follows, in bytes.
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} T_Config_chunk;
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/// Configuration for one keyboard shortcut in gfx2.cfg. Warning, this one is saved/loaded as binary.
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typedef struct
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{
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word Number; ///< Indicates the shortcut action. This is a number starting from 0, which matches ::T_Key_config.Number
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word Key; ///< Keyboard shortcut: SDLK_something, or -1 for none
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word Key2; ///< Alternate keyboard shortcut: SDLK_something, or -1 for none
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} __attribute__((__packed__)) T_Config_shortcut_info;
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/// This structure holds all the settings which are saved and loaded as gfx2.ini.
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typedef struct
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{
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byte Font; ///< Boolean, true to use the "fun" font in menus, false to use the classic one.
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int Show_hidden_files; ///< Boolean, true to show hidden files in fileselectors.
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int Show_hidden_directories; ///< Boolean, true to show hidden directories in fileselectors.
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// int Show_system_directories; ///< (removed when converted from DOS)
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byte Display_image_limits; ///< Boolean, true to display a dotted line at the borders of the image if it's smaller than screen.
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byte Cursor; ///< Mouse cursor aspect: 1 Solid, 2 Transparent, 3 Thin
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byte Maximize_preview; ///< Boolean, true to make previews in fileselector fit the whole rectangle.
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byte Auto_set_res; ///< Boolean, true to make grafx2 switch to a new resolution whenever you load an image.
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byte Coords_rel; ///< Boolean, true to display coordinates as relative (instead of absolute)
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byte Backup; ///< Boolean, true to backup the original file whenever you save an image.
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byte Adjust_brush_pick; ///< Boolean, true to omit the right and bottom edges when grabbing a brush in Grid mode.
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byte Auto_save; ///< Boolean, true to save configuration when exiting program.
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byte Max_undo_pages; ///< Number of steps to memorize for Undo/Redo.
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byte Mouse_sensitivity_index_x; ///< Mouse sensitivity in X axis
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byte Mouse_sensitivity_index_y; ///< Mouse sensitivity in Y axis
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byte Mouse_fix_factor_X; ///< Mouse correction factor in X axis.
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byte Mouse_fix_factor_Y; ///< Mouse correction factor in Y axis.
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byte Mouse_merge_movement; ///< Number of SDL mouse events that are merged into a single change of mouse coordinates.
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byte Delay_left_click_on_slider; ///< Delay (in 1/100s) between two activations of a repeatable button when you hold left-click.
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byte Delay_right_click_on_slider; ///< Delay (in 1/100s) between two activations of a repeatable button when you hold left-click.
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long Timer_delay; ///< Delay (in 1/55s) before showing a preview in a fileselector.
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T_Components Fav_menu_colors[4]; ///< Favorite colors to use for the menu.
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int Nb_max_vertices_per_polygon; ///< Limit for the number of vertices in polygon tools.
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byte Clear_palette; ///< Boolean, true to reset the palette (to black) before loading an image.
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byte Set_resolution_according_to; ///< When Auto_set_res is on, this determines if the mode should be chosen according to the "original screen" information in the file (1) or the picture dimensons (2)
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byte Ratio; ///< Determines the scaling of menu and windows: 0 no scaling, 1 scaling, 2 slight scaling.
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byte Fast_zoom; ///< Boolean, true if the magnifier shortcut should automatically view the mouse area.
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byte Find_file_fast; ///< In fileselectors, this determines which entries should be sought when typing letters: 0 all, 1 files only, 2 directories only.
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byte Separate_colors; ///< Boolean, true if the menu palette should separate color cells with a black outline.
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word Palette_cells_X; ///< Number of colors to show in a row of the menu palette.
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word Palette_cells_Y; ///< Number of colors to show in a column of the menu palette.
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byte Palette_vertical; ///< Boolean, true if the menu palette should go top to bottom instead of left to right
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byte FX_Feedback; ///< Boolean, true if drawing effects should read the image being modified (instead of the image before clicking)
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byte Safety_colors; ///< Boolean, true to make the palette automatically re-create menu colors if needed after a "Zap" or color reduction.
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byte Opening_message; ///< Boolean, true to display the splash screen on strtup.
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byte Clear_with_stencil; ///< Boolean, true to take the stencil into effect (if active) when using the Clear function.
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byte Auto_discontinuous; ///< Boolean, true to automatically switch to the discontinuous freehand draw after grabbing a brush.
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byte Screen_size_in_GIF; ///< Boolean, true to store current resolution in GIF files.
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byte Auto_nb_used; ///< Boolean, true to count colors in Palette screen.
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byte Default_resolution; ///< Default video mode to use on startup. Index in ::Video_mode.
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char *Bookmark_directory[NB_BOOKMARKS];///< Bookmarked directories in fileselectors: This is the full dierctory name.
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char Bookmark_label[NB_BOOKMARKS][8+1];///< Bookmarked directories in fileselectors: This is the displayed name.
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} T_Config;
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// Structures utilis<69>es pour les descriptions de pages et de liste de pages.
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// Lorsqu'on g<>rera les animations, il faudra aussi des listes de listes de
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// pages.
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// Ces structures sont manipul<75>es <20> travers des fonctions de gestion du
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// backup dans "graph.c".
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/// This is the data for one step of Undo/Redo, for one image.
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typedef struct
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{
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byte * Image; ///< Pixel data for the image.
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int Width; ///< Image width in pixels.
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int Height; ///< Image height in pixels.
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T_Palette Palette; ///< Image palette.
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char Comment[COMMENT_SIZE+1]; ///< Comment to store in the image file.
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char File_directory[MAX_PATH_CHARACTERS];///< Directory that contains the file.
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char Filename[MAX_PATH_CHARACTERS]; ///< Filename without directory.
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byte File_format; ///< File format, in enum ::FILE_FORMATS
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} T_Page;
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/// Collection of undo/redo steps.
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typedef struct
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{
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int List_size; /// Number of ::T_Page in the vector "Pages".
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int Nb_pages_allocated;/// Number of ::T_Page used so far in the vector "Pages".
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T_Page * Pages; /// Vector of Pages, each one being a undo/redo step.
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} T_List_of_pages;
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#endif
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