1302 lines
34 KiB
C
1302 lines
34 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2006 Jens Arnold
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*
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* Rockbox driver for 2bit vertically interleaved remote LCDs
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include "cpu.h"
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#include "lcd.h"
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#include "lcd-remote.h"
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#include "kernel.h"
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#include "thread.h"
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#include <string.h>
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#include <stdlib.h>
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#include "memory.h"
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#include "file.h"
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#include "debug.h"
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#include "system.h"
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#include "font.h"
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#include "rbunicode.h"
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#include "bidi.h"
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#include "lcd-remote-target.h"
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#define SCROLLABLE_LINES (((LCD_REMOTE_HEIGHT+4)/5 < 32) ? (LCD_REMOTE_HEIGHT+4)/5 : 32)
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/*** globals ***/
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fb_remote_data lcd_remote_framebuffer[LCD_REMOTE_HEIGHT/8][LCD_REMOTE_FBWIDTH]
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IBSS_ATTR;
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static const fb_remote_data patterns[4] = {0xFFFF, 0xFF00, 0x00FF, 0x0000};
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static fb_remote_data* remote_backdrop = NULL;
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static long remote_backdrop_offset IDATA_ATTR = 0;
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static unsigned fg_pattern IDATA_ATTR = 0xFFFF; /* initially black */
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static unsigned bg_pattern IDATA_ATTR = 0x0000; /* initially white */
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static int drawmode = DRMODE_SOLID;
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static int xmargin = 0;
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static int ymargin = 0;
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static int curfont = FONT_SYSFIXED;
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/* scrolling */
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static volatile int scrolling_lines=0; /* Bitpattern of which lines are scrolling */
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static void scroll_thread(void);
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static long scroll_stack[DEFAULT_STACK_SIZE/sizeof(long)];
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static const char scroll_name[] = "remote_scroll";
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static int scroll_ticks = 12; /* # of ticks between updates*/
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static int scroll_delay = HZ/2; /* ticks delay before start */
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static int scroll_step = 6; /* pixels per scroll step */
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static int bidir_limit = 50; /* percent */
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static struct scrollinfo scroll[SCROLLABLE_LINES];
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static const char scroll_tick_table[16] = {
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/* Hz values:
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1, 1.25, 1.55, 2, 2.5, 3.12, 4, 5, 6.25, 8.33, 10, 12.5, 16.7, 20, 25, 33 */
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100, 80, 64, 50, 40, 32, 25, 20, 16, 12, 10, 8, 6, 5, 4, 3
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};
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/* remote hotplug */
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#ifndef SIMULATOR
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static struct event_queue remote_scroll_queue;
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#define REMOTE_INIT_LCD 1
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#define REMOTE_DEINIT_LCD 2
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#endif
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/*** parameter handling ***/
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unsigned lcd_remote_color_to_native(unsigned color)
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{
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unsigned r = (color & 0xf800) >> 10;
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unsigned g = (color & 0x07e0) >> 5;
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unsigned b = (color & 0x001f) << 2;
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/*
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* |R|
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* |Y'| = |0.299000 0.587000 0.114000| |G|
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* |B|
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*/
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return (5*r + 9*g + b) >> 8;
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}
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void lcd_remote_set_drawmode(int mode)
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{
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drawmode = mode & (DRMODE_SOLID|DRMODE_INVERSEVID);
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}
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int lcd_remote_get_drawmode(void)
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{
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return drawmode;
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}
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void lcd_remote_set_foreground(unsigned brightness)
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{
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fg_pattern = patterns[brightness & 3];
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}
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unsigned lcd_remote_get_foreground(void)
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{
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return (~fg_pattern >> 7) & 3;
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}
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void lcd_remote_set_background(unsigned brightness)
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{
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bg_pattern = patterns[brightness & 3];
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}
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unsigned lcd_remote_get_background(void)
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{
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return (~bg_pattern >> 7) & 3;
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}
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void lcd_remote_set_drawinfo(int mode, unsigned fg_brightness,
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unsigned bg_brightness)
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{
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lcd_remote_set_drawmode(mode);
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lcd_remote_set_foreground(fg_brightness);
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lcd_remote_set_background(bg_brightness);
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}
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void lcd_remote_setmargins(int x, int y)
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{
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xmargin = x;
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ymargin = y;
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}
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int lcd_remote_getxmargin(void)
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{
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return xmargin;
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}
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int lcd_remote_getymargin(void)
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{
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return ymargin;
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}
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void lcd_remote_setfont(int newfont)
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{
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curfont = newfont;
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}
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int lcd_remote_getstringsize(const unsigned char *str, int *w, int *h)
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{
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return font_getstringsize(str, w, h, curfont);
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}
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/*** low-level drawing functions ***/
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static void setpixel(int x, int y)
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{
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unsigned mask = 0x0101 << (y & 7);
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fb_remote_data *address = &lcd_remote_framebuffer[y>>3][x];
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unsigned data = *address;
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*address = data ^ ((data ^ fg_pattern) & mask);
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}
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static void clearpixel(int x, int y)
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{
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unsigned mask = 0x0101 << (y & 7);
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fb_remote_data *address = &lcd_remote_framebuffer[y>>3][x];
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unsigned data = *address;
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*address = data ^ ((data ^ bg_pattern) & mask);
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}
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static void clearimgpixel(int x, int y)
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{
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unsigned mask = 0x0101 << (y & 7);
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fb_remote_data *address = &lcd_remote_framebuffer[y>>3][x];
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unsigned data = *address;
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*address = data ^ ((data ^ *(fb_remote_data *)((long)address
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+ remote_backdrop_offset)) & mask);
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}
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static void flippixel(int x, int y)
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{
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unsigned mask = 0x0101 << (y & 7);
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fb_remote_data *address = &lcd_remote_framebuffer[y>>3][x];
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*address ^= mask;
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}
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static void nopixel(int x, int y)
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{
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(void)x;
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(void)y;
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}
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lcd_remote_pixelfunc_type* const lcd_remote_pixelfuncs_bgcolor[8] = {
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flippixel, nopixel, setpixel, setpixel,
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nopixel, clearpixel, nopixel, clearpixel
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};
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lcd_remote_pixelfunc_type* const lcd_remote_pixelfuncs_backdrop[8] = {
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flippixel, nopixel, setpixel, setpixel,
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nopixel, clearimgpixel, nopixel, clearimgpixel
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};
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lcd_remote_pixelfunc_type* const *lcd_remote_pixelfuncs = lcd_remote_pixelfuncs_bgcolor;
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/* 'mask' and 'bits' contain 2 bits per pixel */
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static void flipblock(fb_remote_data *address, unsigned mask, unsigned bits)
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ICODE_ATTR;
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static void flipblock(fb_remote_data *address, unsigned mask, unsigned bits)
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{
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*address ^= bits & mask;
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}
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static void bgblock(fb_remote_data *address, unsigned mask, unsigned bits)
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ICODE_ATTR;
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static void bgblock(fb_remote_data *address, unsigned mask, unsigned bits)
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{
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unsigned data = *address;
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*address = data ^ ((data ^ bg_pattern) & mask & ~bits);
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}
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static void bgimgblock(fb_remote_data *address, unsigned mask, unsigned bits)
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ICODE_ATTR;
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static void bgimgblock(fb_remote_data *address, unsigned mask, unsigned bits)
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{
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unsigned data = *address;
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*address = data ^ ((data ^ *(fb_remote_data *)((long)address
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+ remote_backdrop_offset)) & mask & ~bits);
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}
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static void fgblock(fb_remote_data *address, unsigned mask, unsigned bits)
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ICODE_ATTR;
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static void fgblock(fb_remote_data *address, unsigned mask, unsigned bits)
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{
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unsigned data = *address;
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*address = data ^ ((data ^ fg_pattern) & mask & bits);
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}
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static void solidblock(fb_remote_data *address, unsigned mask, unsigned bits)
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ICODE_ATTR;
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static void solidblock(fb_remote_data *address, unsigned mask, unsigned bits)
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{
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unsigned data = *address;
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unsigned bgp = bg_pattern;
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bits = bgp ^ ((bgp ^ fg_pattern) & bits);
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*address = data ^ ((data ^ bits) & mask);
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}
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static void solidimgblock(fb_remote_data *address, unsigned mask, unsigned bits)
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ICODE_ATTR;
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static void solidimgblock(fb_remote_data *address, unsigned mask, unsigned bits)
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{
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unsigned data = *address;
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unsigned bgp = *(fb_remote_data *)((long)address + remote_backdrop_offset);
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bits = bgp ^ ((bgp ^ fg_pattern) & bits);
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*address = data ^ ((data ^ bits) & mask);
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}
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static void flipinvblock(fb_remote_data *address, unsigned mask, unsigned bits)
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ICODE_ATTR;
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static void flipinvblock(fb_remote_data *address, unsigned mask, unsigned bits)
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{
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*address ^= ~bits & mask;
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}
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static void bginvblock(fb_remote_data *address, unsigned mask, unsigned bits)
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ICODE_ATTR;
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static void bginvblock(fb_remote_data *address, unsigned mask, unsigned bits)
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{
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unsigned data = *address;
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*address = data ^ ((data ^ bg_pattern) & mask & bits);
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}
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static void bgimginvblock(fb_remote_data *address, unsigned mask, unsigned bits)
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ICODE_ATTR;
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static void bgimginvblock(fb_remote_data *address, unsigned mask, unsigned bits)
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{
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unsigned data = *address;
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*address = data ^ ((data ^ *(fb_remote_data *)((long)address
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+ remote_backdrop_offset)) & mask & bits);
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}
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static void fginvblock(fb_remote_data *address, unsigned mask, unsigned bits)
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ICODE_ATTR;
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static void fginvblock(fb_remote_data *address, unsigned mask, unsigned bits)
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{
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unsigned data = *address;
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*address = data ^ ((data ^ fg_pattern) & mask & ~bits);
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}
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static void solidinvblock(fb_remote_data *address, unsigned mask, unsigned bits)
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ICODE_ATTR;
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static void solidinvblock(fb_remote_data *address, unsigned mask, unsigned bits)
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{
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unsigned data = *address;
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unsigned fgp = fg_pattern;
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bits = fgp ^ ((fgp ^ bg_pattern) & bits);
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*address = data ^ ((data ^ bits) & mask);
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}
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static void solidimginvblock(fb_remote_data *address, unsigned mask, unsigned bits)
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ICODE_ATTR;
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static void solidimginvblock(fb_remote_data *address, unsigned mask, unsigned bits)
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{
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unsigned data = *address;
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unsigned fgp = fg_pattern;
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bits = fgp ^ ((fgp ^ *(fb_remote_data *)((long)address
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+ remote_backdrop_offset)) & bits);
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*address = data ^ ((data ^ bits) & mask);
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}
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lcd_remote_blockfunc_type* const lcd_remote_blockfuncs_bgcolor[8] = {
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flipblock, bgblock, fgblock, solidblock,
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flipinvblock, bginvblock, fginvblock, solidinvblock
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};
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lcd_remote_blockfunc_type* const lcd_remote_blockfuncs_backdrop[8] = {
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flipblock, bgimgblock, fgblock, solidimgblock,
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flipinvblock, bgimginvblock, fginvblock, solidimginvblock
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};
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lcd_remote_blockfunc_type* const *lcd_remote_blockfuncs = lcd_remote_blockfuncs_bgcolor;
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void lcd_remote_set_backdrop(fb_remote_data* backdrop)
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{
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remote_backdrop = backdrop;
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if (backdrop)
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{
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remote_backdrop_offset = (long)backdrop - (long)lcd_remote_framebuffer;
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lcd_remote_pixelfuncs = lcd_remote_pixelfuncs_backdrop;
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lcd_remote_blockfuncs = lcd_remote_blockfuncs_backdrop;
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}
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else
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{
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remote_backdrop_offset = 0;
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lcd_remote_pixelfuncs = lcd_remote_pixelfuncs_bgcolor;
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lcd_remote_blockfuncs = lcd_remote_blockfuncs_bgcolor;
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}
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}
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fb_remote_data* lcd_remote_get_backdrop(void)
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{
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return remote_backdrop;
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}
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static inline void setblock(fb_remote_data *address, unsigned mask, unsigned bits)
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{
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unsigned data = *address;
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bits ^= data;
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*address = data ^ (bits & mask);
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}
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/*** drawing functions ***/
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/* Clear the whole display */
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void lcd_remote_clear_display(void)
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{
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if (drawmode & DRMODE_INVERSEVID)
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{
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memset(lcd_remote_framebuffer, fg_pattern,
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sizeof lcd_remote_framebuffer);
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}
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else
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{
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if (remote_backdrop)
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memcpy(lcd_remote_framebuffer, remote_backdrop,
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sizeof lcd_remote_framebuffer);
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else
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memset(lcd_remote_framebuffer, bg_pattern,
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sizeof lcd_remote_framebuffer);
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}
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scrolling_lines = 0;
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}
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/* Set a single pixel */
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void lcd_remote_drawpixel(int x, int y)
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{
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if (((unsigned)x < LCD_REMOTE_WIDTH) && ((unsigned)y < LCD_REMOTE_HEIGHT))
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lcd_remote_pixelfuncs[drawmode](x, y);
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}
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/* Draw a line */
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void lcd_remote_drawline(int x1, int y1, int x2, int y2)
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{
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int numpixels;
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int i;
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int deltax, deltay;
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int d, dinc1, dinc2;
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int x, xinc1, xinc2;
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int y, yinc1, yinc2;
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lcd_remote_pixelfunc_type *pfunc = lcd_remote_pixelfuncs[drawmode];
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deltax = abs(x2 - x1);
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deltay = abs(y2 - y1);
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xinc2 = 1;
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yinc2 = 1;
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if (deltax >= deltay)
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{
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numpixels = deltax;
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d = 2 * deltay - deltax;
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dinc1 = deltay * 2;
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dinc2 = (deltay - deltax) * 2;
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xinc1 = 1;
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yinc1 = 0;
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}
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else
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{
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numpixels = deltay;
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d = 2 * deltax - deltay;
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dinc1 = deltax * 2;
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dinc2 = (deltax - deltay) * 2;
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xinc1 = 0;
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yinc1 = 1;
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}
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numpixels++; /* include endpoints */
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if (x1 > x2)
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{
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xinc1 = -xinc1;
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xinc2 = -xinc2;
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}
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if (y1 > y2)
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{
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yinc1 = -yinc1;
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yinc2 = -yinc2;
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}
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x = x1;
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y = y1;
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for (i = 0; i < numpixels; i++)
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{
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if (((unsigned)x < LCD_REMOTE_WIDTH) && ((unsigned)y < LCD_REMOTE_HEIGHT))
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pfunc(x, y);
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if (d < 0)
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{
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d += dinc1;
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x += xinc1;
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y += yinc1;
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}
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else
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{
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d += dinc2;
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x += xinc2;
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y += yinc2;
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}
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}
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}
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/* Draw a horizontal line (optimised) */
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void lcd_remote_hline(int x1, int x2, int y)
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{
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int x;
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fb_remote_data *dst, *dst_end;
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unsigned mask;
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lcd_remote_blockfunc_type *bfunc;
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/* direction flip */
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if (x2 < x1)
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{
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x = x1;
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x1 = x2;
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x2 = x;
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}
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/* nothing to draw? */
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if (((unsigned)y >= LCD_REMOTE_HEIGHT) || (x1 >= LCD_REMOTE_WIDTH)
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|| (x2 < 0))
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return;
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/* clipping */
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if (x1 < 0)
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x1 = 0;
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if (x2 >= LCD_REMOTE_WIDTH)
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x2 = LCD_REMOTE_WIDTH-1;
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bfunc = lcd_remote_blockfuncs[drawmode];
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dst = &lcd_remote_framebuffer[y>>3][x1];
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mask = 0x0101 << (y & 7);
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dst_end = dst + x2 - x1;
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do
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bfunc(dst++, mask, 0xFFFFu);
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while (dst <= dst_end);
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}
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/* Draw a vertical line (optimised) */
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void lcd_remote_vline(int x, int y1, int y2)
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{
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int ny;
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fb_remote_data *dst;
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unsigned mask, mask_bottom;
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lcd_remote_blockfunc_type *bfunc;
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/* direction flip */
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if (y2 < y1)
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{
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ny = y1;
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y1 = y2;
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y2 = ny;
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}
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/* nothing to draw? */
|
|
if (((unsigned)x >= LCD_REMOTE_WIDTH) || (y1 >= LCD_REMOTE_HEIGHT)
|
|
|| (y2 < 0))
|
|
return;
|
|
|
|
/* clipping */
|
|
if (y1 < 0)
|
|
y1 = 0;
|
|
if (y2 >= LCD_REMOTE_HEIGHT)
|
|
y2 = LCD_REMOTE_HEIGHT-1;
|
|
|
|
bfunc = lcd_remote_blockfuncs[drawmode];
|
|
dst = &lcd_remote_framebuffer[y1>>3][x];
|
|
ny = y2 - (y1 & ~7);
|
|
mask = (0xFFu << (y1 & 7)) & 0xFFu;
|
|
mask |= mask << 8;
|
|
mask_bottom = 0xFFu >> (~ny & 7);
|
|
mask_bottom |= mask_bottom << 8;
|
|
|
|
for (; ny >= 8; ny -= 8)
|
|
{
|
|
bfunc(dst, mask, 0xFFFFu);
|
|
dst += LCD_REMOTE_WIDTH;
|
|
mask = 0xFFFFu;
|
|
}
|
|
mask &= mask_bottom;
|
|
bfunc(dst, mask, 0xFFFFu);
|
|
}
|
|
|
|
/* Draw a rectangular box */
|
|
void lcd_remote_drawrect(int x, int y, int width, int height)
|
|
{
|
|
if ((width <= 0) || (height <= 0))
|
|
return;
|
|
|
|
int x2 = x + width - 1;
|
|
int y2 = y + height - 1;
|
|
|
|
lcd_remote_vline(x, y, y2);
|
|
lcd_remote_vline(x2, y, y2);
|
|
lcd_remote_hline(x, x2, y);
|
|
lcd_remote_hline(x, x2, y2);
|
|
}
|
|
|
|
/* Fill a rectangular area */
|
|
void lcd_remote_fillrect(int x, int y, int width, int height)
|
|
{
|
|
int ny;
|
|
fb_remote_data *dst, *dst_end;
|
|
unsigned mask, mask_bottom;
|
|
unsigned bits = 0;
|
|
lcd_remote_blockfunc_type *bfunc;
|
|
bool fillopt = false;
|
|
|
|
/* nothing to draw? */
|
|
if ((width <= 0) || (height <= 0) || (x >= LCD_REMOTE_WIDTH)
|
|
|| (y >= LCD_REMOTE_HEIGHT) || (x + width <= 0) || (y + height <= 0))
|
|
return;
|
|
|
|
/* clipping */
|
|
if (x < 0)
|
|
{
|
|
width += x;
|
|
x = 0;
|
|
}
|
|
if (y < 0)
|
|
{
|
|
height += y;
|
|
y = 0;
|
|
}
|
|
if (x + width > LCD_REMOTE_WIDTH)
|
|
width = LCD_REMOTE_WIDTH - x;
|
|
if (y + height > LCD_REMOTE_HEIGHT)
|
|
height = LCD_REMOTE_HEIGHT - y;
|
|
|
|
if (drawmode & DRMODE_INVERSEVID)
|
|
{
|
|
if ((drawmode & DRMODE_BG) && !remote_backdrop)
|
|
{
|
|
fillopt = true;
|
|
bits = bg_pattern;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (drawmode & DRMODE_FG)
|
|
{
|
|
fillopt = true;
|
|
bits = fg_pattern;
|
|
}
|
|
}
|
|
bfunc = lcd_remote_blockfuncs[drawmode];
|
|
dst = &lcd_remote_framebuffer[y>>3][x];
|
|
ny = height - 1 + (y & 7);
|
|
mask = (0xFFu << (y & 7)) & 0xFFu;
|
|
mask |= mask << 8;
|
|
mask_bottom = 0xFFu >> (~ny & 7);
|
|
mask_bottom |= mask_bottom << 8;
|
|
|
|
for (; ny >= 8; ny -= 8)
|
|
{
|
|
if (fillopt && (mask == 0xFFFFu))
|
|
memset16(dst, bits, width);
|
|
else
|
|
{
|
|
fb_remote_data *dst_row = dst;
|
|
|
|
dst_end = dst_row + width;
|
|
do
|
|
bfunc(dst_row++, mask, 0xFFFFu);
|
|
while (dst_row < dst_end);
|
|
}
|
|
|
|
dst += LCD_REMOTE_WIDTH;
|
|
mask = 0xFFFFu;
|
|
}
|
|
mask &= mask_bottom;
|
|
|
|
if (fillopt && (mask == 0xFFFFu))
|
|
memset16(dst, bits, width);
|
|
else
|
|
{
|
|
dst_end = dst + width;
|
|
do
|
|
bfunc(dst++, mask, 0xFFFFu);
|
|
while (dst < dst_end);
|
|
}
|
|
}
|
|
|
|
/* About Rockbox' internal monochrome bitmap format:
|
|
*
|
|
* A bitmap contains one bit for every pixel that defines if that pixel is
|
|
* black (1) or white (0). Bits within a byte are arranged vertically, LSB
|
|
* at top.
|
|
* The bytes are stored in row-major order, with byte 0 being top left,
|
|
* byte 1 2nd from left etc. The first row of bytes defines pixel rows
|
|
* 0..7, the second row defines pixel row 8..15 etc.
|
|
*
|
|
* This is similar to the internal lcd hw format. */
|
|
|
|
/* Draw a partial monochrome bitmap */
|
|
void lcd_remote_mono_bitmap_part(const unsigned char *src, int src_x, int src_y,
|
|
int stride, int x, int y, int width, int height)
|
|
ICODE_ATTR;
|
|
void lcd_remote_mono_bitmap_part(const unsigned char *src, int src_x, int src_y,
|
|
int stride, int x, int y, int width, int height)
|
|
{
|
|
int shift, ny;
|
|
fb_remote_data *dst, *dst_end;
|
|
unsigned data, mask, mask_bottom;
|
|
lcd_remote_blockfunc_type *bfunc;
|
|
|
|
/* nothing to draw? */
|
|
if ((width <= 0) || (height <= 0) || (x >= LCD_REMOTE_WIDTH)
|
|
|| (y >= LCD_REMOTE_HEIGHT) || (x + width <= 0) || (y + height <= 0))
|
|
return;
|
|
|
|
/* clipping */
|
|
if (x < 0)
|
|
{
|
|
width += x;
|
|
src_x -= x;
|
|
x = 0;
|
|
}
|
|
if (y < 0)
|
|
{
|
|
height += y;
|
|
src_y -= y;
|
|
y = 0;
|
|
}
|
|
if (x + width > LCD_REMOTE_WIDTH)
|
|
width = LCD_REMOTE_WIDTH - x;
|
|
if (y + height > LCD_REMOTE_HEIGHT)
|
|
height = LCD_REMOTE_HEIGHT - y;
|
|
|
|
src += stride * (src_y >> 3) + src_x; /* move starting point */
|
|
src_y &= 7;
|
|
y -= src_y;
|
|
dst = &lcd_remote_framebuffer[y>>3][x];
|
|
shift = y & 7;
|
|
ny = height - 1 + shift + src_y;
|
|
|
|
bfunc = lcd_remote_blockfuncs[drawmode];
|
|
mask = 0xFFu << (shift + src_y);
|
|
/* not byte-doubled here because shift+src_y can be > 7 */
|
|
mask_bottom = 0xFFu >> (~ny & 7);
|
|
mask_bottom |= mask_bottom << 8;
|
|
|
|
if (shift == 0)
|
|
{
|
|
mask &= 0xFFu;
|
|
mask |= mask << 8;
|
|
|
|
for (; ny >= 8; ny -= 8)
|
|
{
|
|
const unsigned char *src_row = src;
|
|
fb_remote_data *dst_row = dst;
|
|
|
|
dst_end = dst_row + width;
|
|
do
|
|
{
|
|
data = *src_row++;
|
|
bfunc(dst_row++, mask, data | (data << 8));
|
|
}
|
|
while (dst_row < dst_end);
|
|
|
|
src += stride;
|
|
dst += LCD_REMOTE_WIDTH;
|
|
mask = 0xFFFFu;
|
|
}
|
|
mask &= mask_bottom;
|
|
|
|
dst_end = dst + width;
|
|
do
|
|
{
|
|
data = *src++;
|
|
bfunc(dst++, mask, data | (data << 8));
|
|
}
|
|
while (dst < dst_end);
|
|
}
|
|
else
|
|
{
|
|
unsigned ddata;
|
|
|
|
dst_end = dst + width;
|
|
do
|
|
{
|
|
const unsigned char *src_col = src++;
|
|
fb_remote_data *dst_col = dst++;
|
|
unsigned mask_col = mask & 0xFFu;
|
|
|
|
mask_col |= mask_col << 8;
|
|
data = 0;
|
|
|
|
for (y = ny; y >= 8; y -= 8)
|
|
{
|
|
data |= *src_col << shift;
|
|
|
|
if (mask_col)
|
|
{
|
|
ddata = data & 0xFFu;
|
|
bfunc(dst_col, mask_col, ddata | (ddata << 8));
|
|
mask_col = 0xFFFFu;
|
|
}
|
|
else
|
|
{
|
|
mask_col = (mask >> 8) & 0xFFu;
|
|
mask_col |= mask_col << 8;
|
|
}
|
|
|
|
src_col += stride;
|
|
dst_col += LCD_REMOTE_WIDTH;
|
|
data >>= 8;
|
|
}
|
|
data |= *src_col << shift;
|
|
mask_col &= mask_bottom;
|
|
ddata = data & 0xFFu;
|
|
bfunc(dst_col, mask_col, ddata | (ddata << 8));
|
|
}
|
|
while (dst < dst_end);
|
|
}
|
|
}
|
|
|
|
/* Draw a full monochrome bitmap */
|
|
void lcd_remote_mono_bitmap(const unsigned char *src, int x, int y, int width,
|
|
int height)
|
|
{
|
|
lcd_remote_mono_bitmap_part(src, 0, 0, width, x, y, width, height);
|
|
}
|
|
|
|
/* About Rockbox' internal native bitmap format:
|
|
*
|
|
* A bitmap contains one bit in each byte of a pair of bytes for every pixel.
|
|
* 00 = white, 01 = light grey, 10 = dark grey, 11 = black. Bits within a byte
|
|
* are arranged vertically, LSB at top.
|
|
* The pairs of bytes are stored as shorts, in row-major order, with word 0
|
|
* being top left, word 1 2nd from left etc. The first row of words defines
|
|
* pixel rows 0..7, the second row defines pixel row 8..15 etc.
|
|
*
|
|
* This is the same as the internal lcd hw format. */
|
|
|
|
/* Draw a partial native bitmap */
|
|
void lcd_remote_bitmap_part(const fb_remote_data *src, int src_x, int src_y,
|
|
int stride, int x, int y, int width, int height)
|
|
ICODE_ATTR;
|
|
void lcd_remote_bitmap_part(const fb_remote_data *src, int src_x, int src_y,
|
|
int stride, int x, int y, int width, int height)
|
|
{
|
|
int shift, ny;
|
|
fb_remote_data *dst, *dst_end;
|
|
unsigned mask, mask_bottom;
|
|
|
|
/* nothing to draw? */
|
|
if ((width <= 0) || (height <= 0) || (x >= LCD_REMOTE_WIDTH)
|
|
|| (y >= LCD_REMOTE_HEIGHT) || (x + width <= 0) || (y + height <= 0))
|
|
return;
|
|
|
|
/* clipping */
|
|
if (x < 0)
|
|
{
|
|
width += x;
|
|
src_x -= x;
|
|
x = 0;
|
|
}
|
|
if (y < 0)
|
|
{
|
|
height += y;
|
|
src_y -= y;
|
|
y = 0;
|
|
}
|
|
if (x + width > LCD_REMOTE_WIDTH)
|
|
width = LCD_REMOTE_WIDTH - x;
|
|
if (y + height > LCD_REMOTE_HEIGHT)
|
|
height = LCD_REMOTE_HEIGHT - y;
|
|
|
|
src += stride * (src_y >> 3) + src_x; /* move starting point */
|
|
src_y &= 7;
|
|
y -= src_y;
|
|
dst = &lcd_remote_framebuffer[y>>3][x];
|
|
shift = y & 7;
|
|
ny = height - 1 + shift + src_y;
|
|
|
|
mask = 0xFFu << (shift + src_y);
|
|
/* not byte-doubled here because shift+src_y can be > 7 */
|
|
mask_bottom = 0xFFu >> (~ny & 7);
|
|
mask_bottom |= mask_bottom << 8;
|
|
|
|
if (shift == 0)
|
|
{
|
|
mask &= 0xFFu;
|
|
mask |= mask << 8;
|
|
|
|
for (; ny >= 8; ny -= 8)
|
|
{
|
|
if (mask == 0xFFFFu)
|
|
memcpy(dst, src, width * sizeof(fb_remote_data));
|
|
else
|
|
{
|
|
const fb_remote_data *src_row = src;
|
|
fb_remote_data *dst_row = dst;
|
|
|
|
dst_end = dst_row + width;
|
|
do
|
|
setblock(dst_row++, mask, *src_row++);
|
|
while (dst_row < dst_end);
|
|
}
|
|
src += stride;
|
|
dst += LCD_REMOTE_WIDTH;
|
|
mask = 0xFFFFu;
|
|
}
|
|
mask &= mask_bottom;
|
|
|
|
if (mask == 0xFFFFu)
|
|
memcpy(dst, src, width * sizeof(fb_remote_data));
|
|
else
|
|
{
|
|
dst_end = dst + width;
|
|
do
|
|
setblock(dst++, mask, *src++);
|
|
while (dst < dst_end);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
unsigned datamask = (0xFFu << shift) & 0xFFu;
|
|
|
|
datamask |= datamask << 8;
|
|
|
|
dst_end = dst + width;
|
|
do
|
|
{
|
|
const fb_remote_data *src_col = src++;
|
|
fb_remote_data *dst_col = dst++;
|
|
unsigned mask_col = mask & 0xFFu;
|
|
unsigned data, olddata = 0;
|
|
|
|
mask_col |= mask_col << 8;
|
|
|
|
for (y = ny; y >= 8; y -= 8)
|
|
{
|
|
data = *src_col << shift;
|
|
|
|
if (mask_col)
|
|
{
|
|
setblock(dst_col, mask_col,
|
|
olddata ^((olddata ^ data) & datamask));
|
|
mask_col = 0xFFFFu;
|
|
}
|
|
else
|
|
{
|
|
mask_col = (mask << 8) & 0xFFu;
|
|
mask_col |= mask_col << 8;
|
|
}
|
|
src_col += stride;
|
|
dst_col += LCD_REMOTE_WIDTH;
|
|
olddata = data >> 8;
|
|
}
|
|
data = *src_col << shift;
|
|
setblock(dst_col, mask_col & mask_bottom,
|
|
olddata ^((olddata ^ data) & datamask));
|
|
}
|
|
while (dst < dst_end);
|
|
}
|
|
}
|
|
|
|
/* Draw a full native bitmap */
|
|
void lcd_remote_bitmap(const fb_remote_data *src, int x, int y, int width,
|
|
int height)
|
|
{
|
|
lcd_remote_bitmap_part(src, 0, 0, width, x, y, width, height);
|
|
}
|
|
|
|
/* put a string at a given pixel position, skipping first ofs pixel columns */
|
|
static void lcd_remote_putsxyofs(int x, int y, int ofs, const unsigned char *str)
|
|
{
|
|
unsigned short ch;
|
|
unsigned short *ucs;
|
|
struct font* pf = font_get(curfont);
|
|
|
|
ucs = bidi_l2v(str, 1);
|
|
|
|
while ((ch = *ucs++) != 0 && x < LCD_REMOTE_WIDTH)
|
|
{
|
|
int width;
|
|
const unsigned char *bits;
|
|
|
|
/* get proportional width and glyph bits */
|
|
width = font_get_width(pf, ch);
|
|
|
|
if (ofs > width)
|
|
{
|
|
ofs -= width;
|
|
continue;
|
|
}
|
|
|
|
bits = font_get_bits(pf, ch);
|
|
|
|
lcd_remote_mono_bitmap_part(bits, ofs, 0, width, x, y, width - ofs,
|
|
pf->height);
|
|
|
|
x += width - ofs;
|
|
ofs = 0;
|
|
}
|
|
}
|
|
|
|
/* put a string at a given pixel position */
|
|
void lcd_remote_putsxy(int x, int y, const unsigned char *str)
|
|
{
|
|
lcd_remote_putsxyofs(x, y, 0, str);
|
|
}
|
|
|
|
/*** line oriented text output ***/
|
|
|
|
/* put a string at a given char position */
|
|
void lcd_remote_puts(int x, int y, const unsigned char *str)
|
|
{
|
|
lcd_remote_puts_style_offset(x, y, str, STYLE_DEFAULT, 0);
|
|
}
|
|
|
|
void lcd_remote_puts_style(int x, int y, const unsigned char *str, int style)
|
|
{
|
|
lcd_remote_puts_style_offset(x, y, str, style, 0);
|
|
}
|
|
|
|
void lcd_remote_puts_offset(int x, int y, const unsigned char *str, int offset)
|
|
{
|
|
lcd_remote_puts_style_offset(x, y, str, STYLE_DEFAULT, offset);
|
|
}
|
|
|
|
/* put a string at a given char position, style, and pixel position,
|
|
* skipping first offset pixel columns */
|
|
void lcd_remote_puts_style_offset(int x, int y, const unsigned char *str,
|
|
int style, int offset)
|
|
{
|
|
int xpos,ypos,w,h,xrect;
|
|
int lastmode = drawmode;
|
|
|
|
/* make sure scrolling is turned off on the line we are updating */
|
|
scrolling_lines &= ~(1 << y);
|
|
|
|
if(!str || !str[0])
|
|
return;
|
|
|
|
lcd_remote_getstringsize(str, &w, &h);
|
|
xpos = xmargin + x*w / utf8length((char *)str);
|
|
ypos = ymargin + y*h;
|
|
drawmode = (style & STYLE_INVERT) ?
|
|
(DRMODE_SOLID|DRMODE_INVERSEVID) : DRMODE_SOLID;
|
|
lcd_remote_putsxyofs(xpos, ypos, offset, str);
|
|
drawmode ^= DRMODE_INVERSEVID;
|
|
xrect = xpos + MAX(w - offset, 0);
|
|
lcd_remote_fillrect(xrect, ypos, LCD_REMOTE_WIDTH - xrect, h);
|
|
drawmode = lastmode;
|
|
}
|
|
|
|
/*** scrolling ***/
|
|
|
|
/* Reverse the invert setting of the scrolling line (if any) at given char
|
|
position. Setting will go into affect next time line scrolls. */
|
|
void lcd_remote_invertscroll(int x, int y)
|
|
{
|
|
struct scrollinfo* s;
|
|
|
|
(void)x;
|
|
|
|
s = &scroll[y];
|
|
s->invert = !s->invert;
|
|
}
|
|
|
|
void lcd_remote_stop_scroll(void)
|
|
{
|
|
scrolling_lines=0;
|
|
}
|
|
|
|
void lcd_remote_scroll_speed(int speed)
|
|
{
|
|
scroll_ticks = scroll_tick_table[speed];
|
|
}
|
|
|
|
void lcd_remote_scroll_step(int step)
|
|
{
|
|
scroll_step = step;
|
|
}
|
|
|
|
void lcd_remote_scroll_delay(int ms)
|
|
{
|
|
scroll_delay = ms / (HZ / 10);
|
|
}
|
|
|
|
void lcd_remote_bidir_scroll(int percent)
|
|
{
|
|
bidir_limit = percent;
|
|
}
|
|
|
|
void lcd_remote_puts_scroll(int x, int y, const unsigned char *string)
|
|
{
|
|
lcd_remote_puts_scroll_style(x, y, string, STYLE_DEFAULT);
|
|
}
|
|
|
|
void lcd_remote_puts_scroll_style(int x, int y, const unsigned char *string, int style)
|
|
{
|
|
lcd_remote_puts_scroll_style_offset(x, y, string, style, 0);
|
|
}
|
|
|
|
void lcd_remote_puts_scroll_offset(int x, int y, const unsigned char *string, int offset)
|
|
{
|
|
lcd_remote_puts_scroll_style_offset(x, y, string, STYLE_DEFAULT, offset);
|
|
}
|
|
|
|
void lcd_remote_puts_scroll_style_offset(int x, int y, const unsigned char *string,
|
|
int style, int offset)
|
|
{
|
|
struct scrollinfo* s;
|
|
int w, h;
|
|
|
|
s = &scroll[y];
|
|
|
|
s->start_tick = current_tick + scroll_delay;
|
|
s->invert = false;
|
|
if (style & STYLE_INVERT) {
|
|
s->invert = true;
|
|
lcd_remote_puts_style_offset(x,y,string,STYLE_INVERT,offset);
|
|
}
|
|
else
|
|
lcd_remote_puts_offset(x,y,string,offset);
|
|
|
|
lcd_remote_getstringsize(string, &w, &h);
|
|
|
|
if (LCD_REMOTE_WIDTH - x * 8 - xmargin < w) {
|
|
/* prepare scroll line */
|
|
char *end;
|
|
|
|
memset(s->line, 0, sizeof s->line);
|
|
strcpy(s->line, (char *)string);
|
|
|
|
/* get width */
|
|
s->width = lcd_remote_getstringsize((unsigned char *)s->line, &w, &h);
|
|
|
|
/* scroll bidirectional or forward only depending on the string
|
|
width */
|
|
if ( bidir_limit ) {
|
|
s->bidir = s->width < (LCD_REMOTE_WIDTH - xmargin) *
|
|
(100 + bidir_limit) / 100;
|
|
}
|
|
else
|
|
s->bidir = false;
|
|
|
|
if (!s->bidir) { /* add spaces if scrolling in the round */
|
|
strcat(s->line, " ");
|
|
/* get new width incl. spaces */
|
|
s->width = lcd_remote_getstringsize((unsigned char *)s->line, &w, &h);
|
|
}
|
|
|
|
end = strchr(s->line, '\0');
|
|
strncpy(end, (char *)string, LCD_REMOTE_WIDTH/2);
|
|
|
|
s->len = utf8length((char *)string);
|
|
s->offset = offset;
|
|
s->startx = xmargin + x * s->width / s->len;;
|
|
s->backward = false;
|
|
scrolling_lines |= (1<<y);
|
|
}
|
|
else
|
|
/* force a bit switch-off since it doesn't scroll */
|
|
scrolling_lines &= ~(1<<y);
|
|
}
|
|
|
|
#ifndef SIMULATOR
|
|
/* Monitor remote hotswap */
|
|
static void remote_tick(void)
|
|
{
|
|
static bool last_status = false;
|
|
static int countdown = 0;
|
|
static int init_delay = 0;
|
|
bool current_status;
|
|
|
|
current_status = remote_detect();
|
|
|
|
/* Only report when the status has changed */
|
|
if (current_status != last_status)
|
|
{
|
|
last_status = current_status;
|
|
countdown = current_status ? 20*HZ : 1;
|
|
}
|
|
else
|
|
{
|
|
/* Count down until it gets negative */
|
|
if (countdown >= 0)
|
|
countdown--;
|
|
|
|
if (current_status)
|
|
{
|
|
if (!(countdown % 8))
|
|
{
|
|
if (--init_delay <= 0)
|
|
{
|
|
queue_post(&remote_scroll_queue, REMOTE_INIT_LCD, 0);
|
|
init_delay = 6;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (countdown == 0)
|
|
{
|
|
queue_post(&remote_scroll_queue, REMOTE_DEINIT_LCD, 0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
static void scroll_thread(void)
|
|
{
|
|
struct font* pf;
|
|
struct scrollinfo* s;
|
|
int index;
|
|
int xpos, ypos;
|
|
int lastmode;
|
|
long delay = 0;
|
|
long next_tick = current_tick;
|
|
#ifndef SIMULATOR
|
|
struct event ev;
|
|
#endif
|
|
|
|
/* initialize scroll struct array */
|
|
scrolling_lines = 0;
|
|
|
|
while ( 1 ) {
|
|
|
|
#ifdef SIMULATOR
|
|
sleep(delay);
|
|
#else
|
|
if (remote_initialized)
|
|
queue_wait_w_tmo(&remote_scroll_queue, &ev, delay);
|
|
else
|
|
queue_wait(&remote_scroll_queue, &ev);
|
|
|
|
switch (ev.id)
|
|
{
|
|
case REMOTE_INIT_LCD:
|
|
lcd_remote_on();
|
|
lcd_remote_update();
|
|
break;
|
|
|
|
case REMOTE_DEINIT_LCD:
|
|
lcd_remote_off();
|
|
break;
|
|
}
|
|
|
|
delay = next_tick - current_tick - 1;
|
|
if (delay >= 0)
|
|
continue;
|
|
#endif
|
|
|
|
for ( index = 0; index < SCROLLABLE_LINES; index++ ) {
|
|
/* really scroll? */
|
|
if ( !(scrolling_lines&(1<<index)) )
|
|
continue;
|
|
|
|
s = &scroll[index];
|
|
|
|
/* check pause */
|
|
if (TIME_BEFORE(current_tick, s->start_tick))
|
|
continue;
|
|
|
|
if (s->backward)
|
|
s->offset -= scroll_step;
|
|
else
|
|
s->offset += scroll_step;
|
|
|
|
pf = font_get(curfont);
|
|
xpos = s->startx;
|
|
ypos = ymargin + index * pf->height;
|
|
|
|
if (s->bidir) { /* scroll bidirectional */
|
|
if (s->offset <= 0) {
|
|
/* at beginning of line */
|
|
s->offset = 0;
|
|
s->backward = false;
|
|
s->start_tick = current_tick + scroll_delay * 2;
|
|
}
|
|
if (s->offset >= s->width - (LCD_REMOTE_WIDTH - xpos)) {
|
|
/* at end of line */
|
|
s->offset = s->width - (LCD_REMOTE_WIDTH - xpos);
|
|
s->backward = true;
|
|
s->start_tick = current_tick + scroll_delay * 2;
|
|
}
|
|
}
|
|
else {
|
|
/* scroll forward the whole time */
|
|
if (s->offset >= s->width)
|
|
s->offset %= s->width;
|
|
}
|
|
|
|
lastmode = drawmode;
|
|
drawmode = s->invert ?
|
|
(DRMODE_SOLID|DRMODE_INVERSEVID) : DRMODE_SOLID;
|
|
lcd_remote_putsxyofs(xpos, ypos, s->offset, s->line);
|
|
drawmode = lastmode;
|
|
lcd_remote_update_rect(xpos, ypos, LCD_REMOTE_WIDTH - xpos, pf->height);
|
|
}
|
|
|
|
|
|
next_tick += scroll_ticks;
|
|
delay = next_tick - current_tick - 1;
|
|
if (delay < 0)
|
|
{
|
|
next_tick = current_tick + 1;
|
|
delay = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* LCD init */
|
|
#ifdef SIMULATOR
|
|
void lcd_remote_init(void)
|
|
{
|
|
create_thread(scroll_thread, scroll_stack,
|
|
sizeof(scroll_stack), scroll_name IF_PRIO(, PRIORITY_USER_INTERFACE));
|
|
}
|
|
#else
|
|
void lcd_remote_init(void)
|
|
{
|
|
/* Call device specific init */
|
|
lcd_remote_init_device();
|
|
|
|
lcd_remote_clear_display();
|
|
/* private queue */
|
|
queue_init(&remote_scroll_queue, false);
|
|
tick_add_task(remote_tick);
|
|
create_thread(scroll_thread, scroll_stack,
|
|
sizeof(scroll_stack), scroll_name IF_PRIO(, PRIORITY_USER_INTERFACE));
|
|
}
|
|
#endif
|