apps/display-demo/app_fonts.c File Reference

Display Xplained fonts application. More...

#include <assert.h>
#include <string.h>
#include <hugemem.h>
#include <physmem.h>
#include <status_codes.h>
#include <gfx/gfx.h>
#include <gfx/win.h>
#include <gfx/wtk.h>
#include <gfx/sysfont.h>
#include "app_fonts.h"
#include <mainloop.h>
#include "app_desktop.h"
#include "file_loader.h"

Go to the source code of this file.

Data Structures
struct	app_fonts
	Application context. More...
Defines
Font definitions and configuration
#define	FONT_HEADER_SIZE   16
	Number of bytes in the header for the font files loaded from the TSFS.
#define	NUMBER_OF_FONTS   4
	Number of fonts present in the application.
Page configuration
#define	PAGE_NUM_BLANK_SCREEN   0
	Page number containing a blank page used while application is loading the font files.
#define	PAGE_NUM_MIN   1
	Number of initial page to show, minimum value.
#define	PAGE_NUM_MAX   5
	Number of last page to show, maximum value.
Color scheme
#define	COLOR_TEXT   GFX_COLOR(255, 255, 255)
	Color on text strings.
#define	COLOR_TEXT_SHADED   GFX_COLOR(150, 150, 150)
	Color on shaded text strings.
#define	COLOR_BACKGROUND   GFX_COLOR(0, 0, 0)
	Background color.
#define	COLOR_FILL   GFX_COLOR(48, 120, 158)
	Color on filled rectangles, progress bar and horizontal lines.
#define	COLOR_FILL_BORDER   GFX_COLOR(30, 74, 98)
	Color on filled rectangle borders.
Text appearance
#define	TEXT_INDENT   5
	Number of pixels to indent a string.
#define	TEXT_PADDING   3
	Number of pixels to add in front of a string.
#define	TEXT_PADDING_NEWLINE   2
	Number of pixels for space after newline.
Enumerations
enum	app_fonts_button_ids { BUTTON_NEXT_ID, BUTTON_PREV_ID, BUTTON_QUIT_ID }
	Command event ID. More...
Functions
static void	draw_font_box (gfx_coord_t y, struct font *font, char *fontname)
	Draw a filled box on the screen starting at line y.
static void	screen_draw_splash (void)
	Draw the fonts introduction splash page.
static void	screen_draw_fonts_info (void)
	Draw the fonts info page.
static void	screen_draw_fonts_list (void)
	Draw the fonts list page.
static void	screen_draw_language_info (void)
	Draw the language information page.
static void	screen_draw_messages (void)
	Draw the messages in different languages page.
static void	app_fonts_frame_draw_handler (struct win_window *win, const struct win_clip_region *clip)
	Frame draw handler.
static bool	app_fonts_frame_command_handler (struct wtk_basic_frame *frame, win_command_t command_data)
	Frame command handler handling the button events.
static status_t	app_fonts_load (void)
	Schedules loading of next non-loaded font.
static void	app_fonts_load_worker (struct workqueue_task *task)
	Setup the font objects after loading fonts from the file system.
void	app_fonts_launch (struct workqueue_task *task)
	Launches the application.
Variables
static struct app_fonts *	the_fonts_app
	Statically allocated context pointer.
Font metadata
static struct font	font_ericat
	Erica Type.
static struct font	font_fixedrus
	Fixed-width Russian.
static struct font	font_larabie
	Larabie.
static struct font	font_monofur
	Monofur.

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Detailed Description

Display Xplained fonts application.

Copyright (C) 2010 Atmel Corporation. All rights reserved.

Definition in file app_fonts.c.