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rockbox/apps/screen_access.c
Jonathan Gordon 014a08cabb skin_engine: New tag to draw a rectangle (optionally with a gradient) 
%dr(x, y, width, height, [colour1[, colour2]]):
x,y - viewport relative pixel coordinates to start the rectangle.
width, height - obvious. can be '-' to fill the viewport
if both colours are left out the viewports foreground colour will be used
if one colour is specified it will fill the rectangle that colour.
if both colours are specified it will gradient fill the rectangle.

Change-Id: Iad451e99ded663bc7c5d182443659db7d909b388
2012-03-15 22:52:53 +11:00

381 lines
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C
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2005 by Kevin Ferrare
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include <stdio.h>
#include "config.h"
#include <lcd.h>
#ifdef HAVE_REMOTE_LCD
#include <lcd-remote.h>
#endif
#include <scroll_engine.h>
#include <font.h>
#include <button.h>
#include <settings.h>
#include <kernel.h>
#include <icons.h>
#include "backlight.h"
#include "screen_access.h"
#include "backdrop.h"
/* some helper functions to calculate metrics on the fly */
static int screen_helper_getcharwidth(void)
{
#ifdef HAVE_LCD_BITMAP
return font_get(lcd_getfont())->maxwidth;
#else
return 1;
#endif
}
static int screen_helper_getcharheight(void)
{
#ifdef HAVE_LCD_BITMAP
return font_get(lcd_getfont())->height;
#else
return 1;
#endif
}
static int screen_helper_getnblines(void)
{
int height=screens[0].lcdheight;
#ifdef HAVE_LCD_BITMAP
if(global_settings.statusbar != STATUSBAR_OFF)
height -= STATUSBAR_HEIGHT;
#ifdef HAVE_BUTTONBAR
if(global_settings.buttonbar && screens[0].has_buttonbar)
height -= BUTTONBAR_HEIGHT;
#endif
#endif
return height / screens[0].getcharheight();
}
void screen_helper_setfont(int font)
{
(void)font;
#ifdef HAVE_LCD_BITMAP
if (font == FONT_UI)
font = global_status.font_id[SCREEN_MAIN];
lcd_setfont(font);
#endif
}
#ifdef HAVE_LCD_BITMAP
static int screen_helper_getuifont(void)
{
return global_status.font_id[SCREEN_MAIN];
}
static void screen_helper_setuifont(int font)
{
global_status.font_id[SCREEN_MAIN] = font;
}
#endif
#if NB_SCREENS == 2
static int screen_helper_remote_getcharwidth(void)
{
#ifdef HAVE_LCD_BITMAP
return font_get(lcd_remote_getfont())->maxwidth;
#else
return 1;
#endif
}
static int screen_helper_remote_getcharheight(void)
{
#ifdef HAVE_LCD_BITMAP
return font_get(lcd_remote_getfont())->height;
#else
return 1;
#endif
}
static int screen_helper_remote_getnblines(void)
{
int height=screens[1].lcdheight;
#ifdef HAVE_LCD_BITMAP
if(global_settings.statusbar != STATUSBAR_OFF)
height -= STATUSBAR_HEIGHT;
#ifdef HAVE_BUTTONBAR
if(global_settings.buttonbar && screens[1].has_buttonbar)
height -= BUTTONBAR_HEIGHT;
#endif
#endif
return height / screens[1].getcharheight();
}
void screen_helper_remote_setfont(int font)
{
if (font == FONT_UI)
font = global_status.font_id[SCREEN_REMOTE];
lcd_remote_setfont(font);
}
static int screen_helper_remote_getuifont(void)
{
#ifdef HAVE_LCD_BITMAP
return global_status.font_id[SCREEN_REMOTE];
#else
return FONT_SYSFIXED;
#endif
}
static void screen_helper_remote_setuifont(int font)
{
#ifdef HAVE_LCD_BITMAP
global_status.font_id[SCREEN_REMOTE] = font;
#endif
}
#endif
struct screen screens[NB_SCREENS] =
{
{
.screen_type=SCREEN_MAIN,
.lcdwidth=LCD_WIDTH,
.lcdheight=LCD_HEIGHT,
.depth=LCD_DEPTH,
.getnblines=&screen_helper_getnblines,
#if defined(HAVE_LCD_COLOR)
.is_color=true,
#else
.is_color=false,
#endif
#ifdef HAVE_LCD_BITMAP
.pixel_format=LCD_PIXELFORMAT,
#endif
.getcharwidth=screen_helper_getcharwidth,
.getcharheight=screen_helper_getcharheight,
#if (CONFIG_LED == LED_VIRTUAL)
.has_disk_led=false,
#elif defined(HAVE_REMOTE_LCD)
.has_disk_led=true,
#endif
.set_viewport=&lcd_set_viewport,
.getwidth=&lcd_getwidth,
.getheight=&lcd_getheight,
.getstringsize=&lcd_getstringsize,
#ifdef HAVE_LCD_BITMAP
.setfont=screen_helper_setfont,
.getuifont=screen_helper_getuifont,
.setuifont=screen_helper_setuifont,
.mono_bitmap=&lcd_mono_bitmap,
.mono_bitmap_part=&lcd_mono_bitmap_part,
.set_drawmode=&lcd_set_drawmode,
.bitmap=(screen_bitmap_func*)&lcd_bitmap,
.bitmap_part=(screen_bitmap_part_func*)&lcd_bitmap_part,
#if LCD_DEPTH <= 2
/* No transparency yet for grayscale and mono lcd */
.transparent_bitmap=(screen_bitmap_func*)&lcd_bitmap,
.transparent_bitmap_part=(screen_bitmap_part_func*)&lcd_bitmap_part,
#else
.transparent_bitmap=(screen_bitmap_func*)&lcd_bitmap_transparent,
.transparent_bitmap_part=(screen_bitmap_part_func*)&lcd_bitmap_transparent_part,
#endif
.bmp = &lcd_bmp,
.bmp_part = &lcd_bmp_part,
#if LCD_DEPTH > 1
#if defined(HAVE_LCD_COLOR) && defined(LCD_REMOTE_DEPTH) && LCD_REMOTE_DEPTH > 1
.color_to_native=&lcd_color_to_native,
#endif
.get_background=&lcd_get_background,
.get_foreground=&lcd_get_foreground,
.set_background=&lcd_set_background,
.set_foreground=&lcd_set_foreground,
#ifdef HAVE_LCD_COLOR
.set_selector_start=&lcd_set_selector_start,
.set_selector_end=&lcd_set_selector_end,
.set_selector_text=&lcd_set_selector_text,
#endif
#endif /* LCD_DEPTH > 1 */
.update_rect=&lcd_update_rect,
.update_viewport_rect=&lcd_update_viewport_rect,
.fillrect=&lcd_fillrect,
.drawrect=&lcd_drawrect,
.draw_border_viewport=&lcd_draw_border_viewport,
.fill_viewport=&lcd_fill_viewport,
.drawpixel=&lcd_drawpixel,
.drawline=&lcd_drawline,
.vline=&lcd_vline,
.hline=&lcd_hline,
.scroll_step=&lcd_scroll_step,
.puts_style_offset=&lcd_puts_style_offset,
.puts_style_xyoffset=&lcd_puts_style_xyoffset,
.puts_scroll_style=&lcd_puts_scroll_style,
.puts_scroll_style_offset=&lcd_puts_scroll_style_offset,
.puts_scroll_style_xyoffset=&lcd_puts_scroll_style_xyoffset,
#endif /* HAVE_LCD_BITMAP */
#ifdef HAVE_LCD_CHARCELLS
.double_height=&lcd_double_height,
.putchar=&lcd_putc,
.get_locked_pattern=&lcd_get_locked_pattern,
.define_pattern=&lcd_define_pattern,
.unlock_pattern=&lcd_unlock_pattern,
.icon=&lcd_icon,
#endif /* HAVE_LCD_CHARCELLS */
.putsxy=&lcd_putsxy,
.puts=&lcd_puts,
.putsf=&lcd_putsf,
.puts_offset=&lcd_puts_offset,
.puts_scroll=&lcd_puts_scroll,
.puts_scroll_offset=&lcd_puts_scroll_offset,
.scroll_speed=&lcd_scroll_speed,
.scroll_delay=&lcd_scroll_delay,
.stop_scroll=&lcd_stop_scroll,
.clear_display=&lcd_clear_display,
.clear_viewport=&lcd_clear_viewport,
.scroll_stop=&lcd_scroll_stop,
.scroll_stop_line=&lcd_scroll_stop_line,
.update=&lcd_update,
.update_viewport=&lcd_update_viewport,
.backlight_on=&backlight_on,
.backlight_off=&backlight_off,
.is_backlight_on=&is_backlight_on,
.backlight_set_timeout=&backlight_set_timeout,
#if LCD_DEPTH > 1
.backdrop_load=&backdrop_load,
.backdrop_show=&backdrop_show,
#endif
#ifdef HAVE_BUTTONBAR
.has_buttonbar=false,
#endif
#if defined(HAVE_LCD_BITMAP)
.set_framebuffer = (void*)lcd_set_framebuffer,
#if defined(HAVE_LCD_COLOR)
.gradient_fillrect = lcd_gradient_fillrect,
#endif
#endif
},
#if NB_SCREENS == 2
{
.screen_type=SCREEN_REMOTE,
.lcdwidth=LCD_REMOTE_WIDTH,
.lcdheight=LCD_REMOTE_HEIGHT,
.depth=LCD_REMOTE_DEPTH,
.getnblines=&screen_helper_remote_getnblines,
.is_color=false,/* No color remotes yet */
.pixel_format=LCD_REMOTE_PIXELFORMAT,
.getcharwidth=screen_helper_remote_getcharwidth,
.getcharheight=screen_helper_remote_getcharheight,
.has_disk_led=false,
.set_viewport=&lcd_remote_set_viewport,
.getwidth=&lcd_remote_getwidth,
.getheight=&lcd_remote_getheight,
.getstringsize=&lcd_remote_getstringsize,
#if 1 /* all remote LCDs are bitmapped so far */
.setfont=screen_helper_remote_setfont,
.getuifont=screen_helper_remote_getuifont,
.setuifont=screen_helper_remote_setuifont,
.mono_bitmap=&lcd_remote_mono_bitmap,
.mono_bitmap_part=&lcd_remote_mono_bitmap_part,
.bitmap=(screen_bitmap_func*)&lcd_remote_bitmap,
.bitmap_part=(screen_bitmap_part_func*)&lcd_remote_bitmap_part,
.set_drawmode=&lcd_remote_set_drawmode,
#if LCD_REMOTE_DEPTH <= 2
/* No transparency yet for grayscale and mono lcd */
.transparent_bitmap=(screen_bitmap_func*)&lcd_remote_bitmap,
.transparent_bitmap_part=(screen_bitmap_part_func*)&lcd_remote_bitmap_part,
/* No colour remotes yet */
#endif
.bmp = &lcd_remote_bmp,
.bmp_part = &lcd_remote_bmp_part,
#if LCD_REMOTE_DEPTH > 1
#if defined(HAVE_LCD_COLOR)
.color_to_native=&lcd_remote_color_to_native,
#endif
.get_background=&lcd_remote_get_background,
.get_foreground=&lcd_remote_get_foreground,
.set_background=&lcd_remote_set_background,
.set_foreground=&lcd_remote_set_foreground,
#endif /* LCD_REMOTE_DEPTH > 1 */
.update_rect=&lcd_remote_update_rect,
.update_viewport_rect=&lcd_remote_update_viewport_rect,
.fillrect=&lcd_remote_fillrect,
.drawrect=&lcd_remote_drawrect,
.draw_border_viewport=&lcd_remote_draw_border_viewport,
.fill_viewport=&lcd_remote_fill_viewport,
.drawpixel=&lcd_remote_drawpixel,
.drawline=&lcd_remote_drawline,
.vline=&lcd_remote_vline,
.hline=&lcd_remote_hline,
.scroll_step=&lcd_remote_scroll_step,
.puts_style_offset=&lcd_remote_puts_style_offset,
.puts_style_xyoffset=&lcd_remote_puts_style_xyoffset,
.puts_scroll_style=&lcd_remote_puts_scroll_style,
.puts_scroll_style_offset=&lcd_remote_puts_scroll_style_offset,
.puts_scroll_style_xyoffset=&lcd_remote_puts_scroll_style_xyoffset,
#endif /* 1 */
#if 0 /* no charcell remote LCDs so far */
.double_height=&lcd_remote_double_height,
.putc=&lcd_remote_putc,
.get_locked_pattern=&lcd_remote_get_locked_pattern,
.define_pattern=&lcd_remote_define_pattern,
.icon=&lcd_remote_icon,
#endif /* 0 */
.putsxy=&lcd_remote_putsxy,
.puts=&lcd_remote_puts,
.putsf=&lcd_remote_putsf,
.puts_offset=&lcd_remote_puts_offset,
.puts_scroll=&lcd_remote_puts_scroll,
.puts_scroll_offset=&lcd_remote_puts_scroll_offset,
.scroll_speed=&lcd_remote_scroll_speed,
.scroll_delay=&lcd_remote_scroll_delay,
.stop_scroll=&lcd_remote_stop_scroll,
.clear_display=&lcd_remote_clear_display,
.clear_viewport=&lcd_remote_clear_viewport,
.scroll_stop=&lcd_remote_scroll_stop,
.scroll_stop_line=&lcd_remote_scroll_stop_line,
.update=&lcd_remote_update,
.update_viewport=&lcd_remote_update_viewport,
.backlight_on=&remote_backlight_on,
.backlight_off=&remote_backlight_off,
.is_backlight_on=&is_remote_backlight_on,
.backlight_set_timeout=&remote_backlight_set_timeout,
#if LCD_DEPTH > 1
.backdrop_load=&remote_backdrop_load,
.backdrop_show=&remote_backdrop_show,
#endif
#ifdef HAVE_BUTTONBAR
.has_buttonbar=false,
#endif
#if defined(HAVE_LCD_BITMAP)
.set_framebuffer = (void*)lcd_remote_set_framebuffer,
#endif
}
#endif /* NB_SCREENS == 2 */
};
#ifdef HAVE_LCD_BITMAP
void screen_clear_area(struct screen * display, int xstart, int ystart,
int width, int height)
{
display->set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
display->fillrect(xstart, ystart, width, height);
display->set_drawmode(DRMODE_SOLID);
}
#endif
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