screen.h File Reference

Screen update (refresh) system. More...

#include "struct.h"
#include "global.h"

Include dependency graph for screen.h:

This graph shows which files directly or indirectly include this file:

Macros
#define	GFX2_MB_INFO   1
#define	GFX2_MB_ERROR   2
#define	GFX2_MB_WARNING   3

Functions
void	GFX2_Set_mode (int *width, int *height, int fullscreen)
	Sets the new screen/window dimensions. More...
byte	Get_Screen_pixel (int x, int y)
void	Set_Screen_pixel (int x, int y, byte value)
byte *	Get_Screen_pixel_ptr (int x, int y)
void	Screen_FillRect (int x, int y, int w, int h, byte color)
void	Update_rect (short x, short y, unsigned short width, unsigned short height)
void	Flush_update (void)
void	Update_status_line (short char_pos, short width)
int	GFX2_SetPalette (const T_Components *colors, int firstcolor, int ncolors)
void	Clear_border (byte color)
	Clears the parts of screen that are outside of the editing area. More...
void	Allow_drag_and_drop (int flag)
	Activates or desactivates file drag-dropping in program window. More...
void	Define_icon (void)
	Set application icon(s) More...
void	Set_mouse_position (void)
	set (system) mouse cursor position More...
int	GFX2_GetScreenSize (int *width, int *height)
	Get Screen dimensions. More...
int	GFX2_MessageBox (const char *text, const char *caption, unsigned int type)
	Display a modal message. More...

Variables
volatile int	Allow_colorcycling

Detailed Description

Screen update (refresh) system.

Macro Definition Documentation

GFX2_MB_INFO

#define GFX2_MB_INFO   1

GFX2_MB_ERROR

#define GFX2_MB_ERROR   2

GFX2_MB_WARNING

#define GFX2_MB_WARNING   3

Function Documentation

GFX2_Set_mode()

void GFX2_Set_mode	(	int *	width,
		int *	height,
		int	fullscreen
	)

Sets the new screen/window dimensions.

width * 4

width * 4

References Config, FALSE, GFX2_DEBUG, GFX2_ERROR, GFX2_Log(), GFX2_WARNING, T_GFX2_Surface::h, icon, New_GFX2_Surface(), NULL, T_GFX2_Surface::palette, Pixel_height, Pixel_width, T_GFX2_Surface::pixels, render_dstrect, render_scale_x, render_scale_y, screen, Screen_height, Screen_SDL, Screen_width, Video_AllocateDib(), T_GFX2_Surface::w, Win32_CreateWindow(), Win32_hwnd, Win32_Is_Fullscreen, T_Config::Window_pos_x, T_Config::Window_pos_y, windowName, X11_display, X11_gc, X11_image, and X11_window.

Referenced by Init_mode_video().

Get_Screen_pixel()

byte Get_Screen_pixel	(	int	x,
		int	y
	)

References GFX2_Log(), GFX2_WARNING, NULL, T_GFX2_Surface::pixels, screen, Screen_SDL, T_GFX2_Surface::w, Windows_DIB_width, and Windows_Screen.

Referenced by Count_used_colors_screen_area(), Horizontal_grid_line(), Horizontal_XOR_line_double(), Horizontal_XOR_line_quad(), Horizontal_XOR_line_tall2(), Horizontal_XOR_line_tall3(), Horizontal_XOR_line_triple(), Horizontal_XOR_line_wide2(), Read_pixel_double(), Read_pixel_quad(), Read_pixel_simple(), Read_pixel_tall(), Read_pixel_tall2(), Read_pixel_tall3(), Read_pixel_triple(), Read_pixel_wide(), Read_pixel_wide2(), Update_rect(), Vertical_grid_line(), Vertical_XOR_line_double(), Vertical_XOR_line_quad(), Vertical_XOR_line_simple(), Vertical_XOR_line_tall(), Vertical_XOR_line_tall2(), Vertical_XOR_line_tall3(), Vertical_XOR_line_triple(), Vertical_XOR_line_wide(), and Vertical_XOR_line_wide2().

Set_Screen_pixel()

void Set_Screen_pixel	(	int	x,
		int	y,
		byte	value
	)

References GFX2_Log(), GFX2_WARNING, NULL, T_GFX2_Surface::pixels, screen, Screen_SDL, T_GFX2_Surface::w, Windows_DIB_width, and Windows_Screen.

Referenced by Display_line_on_screen_double(), Horizontal_XOR_line_double(), Horizontal_XOR_line_quad(), Horizontal_XOR_line_tall2(), Horizontal_XOR_line_tall3(), Horizontal_XOR_line_triple(), Horizontal_XOR_line_wide2(), Pixel_double(), Pixel_quad(), Pixel_simple(), Pixel_tall(), Pixel_tall2(), Pixel_tall3(), Pixel_triple(), Pixel_wide(), Pixel_wide2(), Vertical_XOR_line_double(), Vertical_XOR_line_quad(), Vertical_XOR_line_simple(), Vertical_XOR_line_tall(), Vertical_XOR_line_tall2(), Vertical_XOR_line_tall3(), Vertical_XOR_line_triple(), Vertical_XOR_line_wide(), and Vertical_XOR_line_wide2().

Get_Screen_pixel_ptr()

byte * Get_Screen_pixel_ptr	(	int	x,
		int	y
	)

References GFX2_Log(), GFX2_WARNING, NULL, T_GFX2_Surface::pixels, screen, Screen_SDL, T_GFX2_Surface::w, Windows_DIB_width, and Windows_Screen.

Referenced by Clear_brush_double(), Clear_brush_quad(), Clear_brush_simple(), Clear_brush_tall(), Clear_brush_tall2(), Clear_brush_tall3(), Clear_brush_triple(), Clear_brush_wide(), Clear_brush_wide2(), Display_brush_color_double(), Display_brush_color_quad(), Display_brush_color_simple(), Display_brush_color_tall(), Display_brush_color_tall2(), Display_brush_color_tall3(), Display_brush_color_triple(), Display_brush_color_wide(), Display_brush_color_wide2(), Display_brush_color_zoom_double(), Display_brush_color_zoom_quad(), Display_brush_color_zoom_tall(), Display_brush_color_zoom_tall2(), Display_brush_color_zoom_tall3(), Display_brush_color_zoom_triple(), Display_brush_color_zoom_wide2(), Display_brush_double(), Display_brush_mono_double(), Display_brush_mono_quad(), Display_brush_mono_simple(), Display_brush_mono_tall(), Display_brush_mono_tall2(), Display_brush_mono_tall3(), Display_brush_mono_triple(), Display_brush_mono_wide(), Display_brush_mono_wide2(), Display_brush_quad(), Display_brush_simple(), Display_brush_tall(), Display_brush_tall2(), Display_brush_tall3(), Display_brush_triple(), Display_brush_wide(), Display_brush_wide2(), Display_line_on_screen_fast_double(), Display_line_on_screen_fast_quad(), Display_line_on_screen_fast_tall2(), Display_line_on_screen_fast_tall3(), Display_line_on_screen_fast_triple(), Display_line_on_screen_fast_wide(), Display_line_on_screen_fast_wide2(), Display_line_on_screen_quad(), Display_line_on_screen_simple(), Display_line_on_screen_tall(), Display_line_on_screen_tall2(), Display_line_on_screen_tall3(), Display_line_on_screen_triple(), Display_line_on_screen_wide(), Display_line_on_screen_wide2(), Display_part_of_screen_double(), Display_part_of_screen_quad(), Display_part_of_screen_simple(), Display_part_of_screen_tall(), Display_part_of_screen_tall2(), Display_part_of_screen_tall3(), Display_part_of_screen_triple(), Display_part_of_screen_wide(), Display_part_of_screen_wide2(), Display_transparent_line_on_screen_simple(), Display_transparent_line_on_screen_wide(), Display_transparent_mono_line_on_screen_double(), Display_transparent_mono_line_on_screen_quad(), Display_transparent_mono_line_on_screen_simple(), Display_transparent_mono_line_on_screen_tall2(), Display_transparent_mono_line_on_screen_tall3(), Display_transparent_mono_line_on_screen_triple(), Display_transparent_mono_line_on_screen_wide(), Display_transparent_mono_line_on_screen_wide2(), Horizontal_XOR_line_simple(), Horizontal_XOR_line_tall(), Horizontal_XOR_line_wide(), Read_line_screen_double(), Read_line_screen_quad(), Read_line_screen_simple(), Read_line_screen_tall(), Read_line_screen_tall2(), Read_line_screen_tall3(), Read_line_screen_triple(), Read_line_screen_wide(), Read_line_screen_wide2(), Remap_screen_double(), Remap_screen_quad(), Remap_screen_simple(), Remap_screen_tall(), Remap_screen_tall2(), Remap_screen_tall3(), Remap_screen_triple(), Remap_screen_wide(), Remap_screen_wide2(), Screen_FillRect(), and Update_rect().

Screen_FillRect()

void Screen_FillRect	(	int	x,
		int	y,
		int	w,
		int	h,
		byte	color
	)

References Get_Screen_pixel_ptr(), T_GFX2_Surface::h, screen, Screen_SDL, T_GFX2_Surface::w, Windows_DIB_height, and Windows_DIB_width.

Referenced by Block_double(), Block_quad(), Block_simple(), Block_tall(), Block_tall2(), Block_tall3(), Block_triple(), Block_wide(), Block_wide2(), and Readline_ex_unicode().

Update_rect()

void Update_rect	(	short	x,
		short	y,
		unsigned short	width,
		unsigned short	height
	)

References FALSE, Get_Screen_pixel(), Get_Screen_pixel_ptr(), T_GFX2_Surface::h, Max_X, Max_Y, Min_X, Min_Y, NULL, T_GFX2_Surface::palette, Pixel_height, Pixel_width, screen, Screen_SDL, T_GFX2_Surface::w, Win32_hwnd, and X11_image.

Referenced by Button_Magnify(), Button_Magnify_menu(), Button_Palette(), Button_Sieve_menu(), Clear_brush_double(), Clear_brush_quad(), Clear_brush_scaled_double(), Clear_brush_scaled_quad(), Clear_brush_scaled_simple(), Clear_brush_scaled_tall(), Clear_brush_scaled_tall2(), Clear_brush_scaled_tall3(), Clear_brush_scaled_triple(), Clear_brush_scaled_wide(), Clear_brush_scaled_wide2(), Clear_brush_simple(), Clear_brush_tall(), Clear_brush_tall2(), Clear_brush_tall3(), Clear_brush_triple(), Clear_brush_wide(), Clear_brush_wide2(), Display_all_screen(), Display_brush_color_double(), Display_brush_color_quad(), Display_brush_color_simple(), Display_brush_color_tall(), Display_brush_color_tall2(), Display_brush_color_tall3(), Display_brush_color_triple(), Display_brush_color_wide(), Display_brush_color_wide2(), Display_brush_mono_double(), Display_brush_mono_quad(), Display_brush_mono_simple(), Display_brush_mono_tall(), Display_brush_mono_tall2(), Display_brush_mono_tall3(), Display_brush_mono_triple(), Display_brush_mono_wide(), Display_brush_mono_wide2(), Display_brush_mono_zoom_double(), Display_brush_mono_zoom_quad(), Display_brush_mono_zoom_simple(), Display_brush_mono_zoom_tall(), Display_brush_mono_zoom_tall2(), Display_brush_mono_zoom_tall3(), Display_brush_mono_zoom_triple(), Display_brush_mono_zoom_wide(), Display_brush_mono_zoom_wide2(), Display_cursor(), Display_effect_sprite(), Display_foreback(), Display_grad_block_in_window(), Display_image_limits(), Display_layerbar(), Display_menu(), Display_menu_palette(), Display_menu_palette_avoiding_window(), Display_paintbrush_in_window(), Display_part_of_screen_scaled_double(), Display_part_of_screen_scaled_quad(), Display_part_of_screen_scaled_simple(), Display_part_of_screen_scaled_tall(), Display_part_of_screen_scaled_tall2(), Display_part_of_screen_scaled_tall3(), Display_part_of_screen_scaled_triple(), Display_part_of_screen_scaled_wide(), Display_part_of_screen_scaled_wide2(), Display_separator(), Distort_brush_1_9(), Draw_gradient_preview(), Draw_menu_button(), Draw_preset_sieve_patterns(), Draw_sieve_scaled(), Draw_xor_rect(), Fill_general(), Frame_menu_color(), Get_input(), GFX2_SetPalette(), Hide_cursor(), Horizontal_XOR_line_zoom(), Main_handler(), Move_separator(), Move_window(), Readline_ex_unicode(), Remap_screen_double(), Remap_screen_quad(), Remap_screen_simple(), Remap_screen_tall(), Remap_screen_tall2(), Remap_screen_tall3(), Remap_screen_triple(), Remap_screen_wide(), Remap_screen_wide2(), Scroll_picture(), Tilemap_draw(), Update_part_of_screen(), Update_sieve_area(), Update_status_line(), Vertical_XOR_line_zoom(), and Window_display_icon_sprite().

Flush_update()

void Flush_update

(

void

)

References Max_X, Max_Y, Menu_factor_X, Menu_factor_Y, Menu_status_Y, Min(), Min_X, Min_Y, NULL, Pixel_height, Pixel_width, Screen_height, Screen_SDL, Screen_width, Status_line_dirty_begin, Status_line_dirty_end, and X11_display.

Referenced by Get_input(), Load_image(), Pixel_figure_permanent(), and Readline_ex_unicode().

Update_status_line()

void Update_status_line	(	short	char_pos,
		short	width
	)

References Menu_factor_X, Menu_factor_Y, Menu_status_Y, Pixel_height, Pixel_width, Screen_SDL, Status_line_dirty_begin, Status_line_dirty_end, and Update_rect().

Referenced by Print_coordinates(), and Print_in_menu().

GFX2_SetPalette()

int GFX2_SetPalette	(	const T_Components *	colors,
		int	firstcolor,
		int	ncolors
	)

References T_Components::B, FALSE, T_Components::G, T_GFX2_Surface::h, NULL, T_GFX2_Surface::palette, T_Components::R, screen, Screen_SDL, Update_rect(), T_GFX2_Surface::w, Win32_hwnd, and Windows_DIB.

Referenced by Color_cycling(), Set_color(), and Set_palette().

Clear_border()

void Clear_border

(

byte

color

)

Clears the parts of screen that are outside of the editing area.

There is such area only if the screen mode is not a multiple of the pixel size, eg: 3x3 pixels in 1024x768 leaves 1 column on the right, 0 rows on bottom.

References Pixel_height, Pixel_width, Screen_height, Screen_SDL, and Screen_width.

Referenced by Init_mode_video(), Remap_menu_sprites(), and Remap_screen_after_menu_colors_change().

Allow_drag_and_drop()

void Allow_drag_and_drop

(

int

flag

)

Activates or desactivates file drag-dropping in program window.

References FALSE, GFX2_Get_Window_Handle(), GFX2_Log(), GFX2_WARNING, NULL, TRUE, X11_display, and X11_window.

Referenced by Close_window(), Init_program(), and Open_window().

Define_icon()

void Define_icon

(

void

)

Set application icon(s)

References Data_directory, icon, Load_surface(), and NULL.

Set_mouse_position()

void Set_mouse_position

(

void

)

set (system) mouse cursor position

References GFX2_Log(), GFX2_WARNING, Mouse_X, Mouse_Y, NULL, Pixel_height, Pixel_width, render_scale_x, render_scale_y, Win32_hwnd, X11_display, and X11_window.

Referenced by Init_mode_video(), and Move_cursor_with_constraints().

GFX2_GetScreenSize()

int GFX2_GetScreenSize	(	int *	width,
		int *	height
	)

Get Screen dimensions.

References NULL.

Referenced by Set_all_video_modes().

GFX2_MessageBox()

int GFX2_MessageBox	(	const char *	text,
		const char *	caption,
		unsigned int	type
	)

Display a modal message.

Parameters

text	body of the modal message
caption	title of the message
type	one of GFX2_MB_INFO, GFX2_MB_ERROR, GFX2_MB_WARNING

Returns

0 for error

References GFX2_DEBUG, GFX2_ERROR, GFX2_Get_Window_Handle(), GFX2_Log(), NULL, X11_display, and X11_window.

Referenced by Display_syntax(), and Error_function().

Variable Documentation

Allow_colorcycling

volatile int Allow_colorcycling

extern

Referenced by Button_Gradients(), Close_window(), Color_cycling(), and Open_window().