From 6bdf3ee6f28097e25770ae43e28dd4b59054e88f Mon Sep 17 00:00:00 2001 From: Jens Arnold Date: Sun, 12 Nov 2006 13:22:59 +0000 Subject: Split 1 bit LCD code and move appropriate parts to target tree. Only archos code is tested. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11517 a1c6a512-1295-4272-9138-f99709370657 --- firmware/drivers/lcd-1bit-vert.c | 860 ++++++++++++++++++++++++++++++ firmware/drivers/lcd-recorder.c | 1084 -------------------------------------- 2 files changed, 860 insertions(+), 1084 deletions(-) create mode 100755 firmware/drivers/lcd-1bit-vert.c delete mode 100644 firmware/drivers/lcd-recorder.c (limited to 'firmware/drivers') diff --git a/firmware/drivers/lcd-1bit-vert.c b/firmware/drivers/lcd-1bit-vert.c new file mode 100755 index 0000000000..6ae92af72b --- /dev/null +++ b/firmware/drivers/lcd-1bit-vert.c @@ -0,0 +1,860 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2002 by Alan Korr + * + * All files in this archive are subject to the GNU General Public License. + * See the file COPYING in the source tree root for full license agreement. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ +#include "config.h" + +#include "lcd.h" +#include "kernel.h" +#include "thread.h" +#include +#include +#include "file.h" +#include "debug.h" +#include "system.h" +#include "font.h" +#include "hwcompat.h" +#include "rbunicode.h" +#include "bidi.h" + +/*** definitions ***/ + +#define SCROLLABLE_LINES ((LCD_HEIGHT+4)/5 < 32 ? (LCD_HEIGHT+4)/5 : 32) + +/*** globals ***/ + +unsigned char lcd_framebuffer[LCD_HEIGHT/8][LCD_WIDTH]; + +static int drawmode = DRMODE_SOLID; +static int xmargin = 0; +static int ymargin = 0; +static int curfont = FONT_SYSFIXED; + +/* scrolling */ +static volatile int scrolling_lines=0; /* Bitpattern of which lines are scrolling */ +static void scroll_thread(void); +static char scroll_stack[DEFAULT_STACK_SIZE]; +static const char scroll_name[] = "scroll"; +static int scroll_ticks = 12; /* # of ticks between updates*/ +static int scroll_delay = HZ/2; /* ticks delay before start */ +static int scroll_step = 6; /* pixels per scroll step */ +static int bidir_limit = 50; /* percent */ +static struct scrollinfo scroll[SCROLLABLE_LINES]; + +static const char scroll_tick_table[16] = { + /* Hz values: + 1, 1.25, 1.55, 2, 2.5, 3.12, 4, 5, 6.25, 8.33, 10, 12.5, 16.7, 20, 25, 33 */ + 100, 80, 64, 50, 40, 32, 25, 20, 16, 12, 10, 8, 6, 5, 4, 3 +}; + +/* LCD init */ +void lcd_init(void) +{ + lcd_clear_display(); + /* Call device specific init */ + lcd_init_device(); + create_thread(scroll_thread, scroll_stack, + sizeof(scroll_stack), scroll_name IF_PRIO(, PRIORITY_USER_INTERFACE)); +} + +/*** parameter handling ***/ + +void lcd_set_drawmode(int mode) +{ + drawmode = mode & (DRMODE_SOLID|DRMODE_INVERSEVID); +} + +int lcd_get_drawmode(void) +{ + return drawmode; +} + +void lcd_setmargins(int x, int y) +{ + xmargin = x; + ymargin = y; +} + +int lcd_getxmargin(void) +{ + return xmargin; +} + +int lcd_getymargin(void) +{ + return ymargin; +} + +void lcd_setfont(int newfont) +{ + curfont = newfont; +} + +int lcd_getstringsize(const unsigned char *str, int *w, int *h) +{ + return font_getstringsize(str, w, h, curfont); +} + +/*** low-level drawing functions ***/ + +static void setpixel(int x, int y) +{ + lcd_framebuffer[y>>3][x] |= 1 << (y & 7); +} + +static void clearpixel(int x, int y) +{ + lcd_framebuffer[y>>3][x] &= ~(1 << (y & 7)); +} + +static void flippixel(int x, int y) +{ + lcd_framebuffer[y>>3][x] ^= 1 << (y & 7); +} + +static void nopixel(int x, int y) +{ + (void)x; + (void)y; +} + +lcd_pixelfunc_type* const lcd_pixelfuncs[8] = { + flippixel, nopixel, setpixel, setpixel, + nopixel, clearpixel, nopixel, clearpixel +}; + +static void flipblock(unsigned char *address, unsigned mask, unsigned bits) + ICODE_ATTR; +static void flipblock(unsigned char *address, unsigned mask, unsigned bits) +{ + *address ^= bits & mask; +} + +static void bgblock(unsigned char *address, unsigned mask, unsigned bits) + ICODE_ATTR; +static void bgblock(unsigned char *address, unsigned mask, unsigned bits) +{ + *address &= bits | ~mask; +} + +static void fgblock(unsigned char *address, unsigned mask, unsigned bits) + ICODE_ATTR; +static void fgblock(unsigned char *address, unsigned mask, unsigned bits) +{ + *address |= bits & mask; +} + +static void solidblock(unsigned char *address, unsigned mask, unsigned bits) + ICODE_ATTR; +static void solidblock(unsigned char *address, unsigned mask, unsigned bits) +{ + unsigned data = *(char*)address; + + bits ^= data; + *address = data ^ (bits & mask); +} + +static void flipinvblock(unsigned char *address, unsigned mask, unsigned bits) + ICODE_ATTR; +static void flipinvblock(unsigned char *address, unsigned mask, unsigned bits) +{ + *address ^= ~bits & mask; +} + +static void bginvblock(unsigned char *address, unsigned mask, unsigned bits) + ICODE_ATTR; +static void bginvblock(unsigned char *address, unsigned mask, unsigned bits) +{ + *address &= ~(bits & mask); +} + +static void fginvblock(unsigned char *address, unsigned mask, unsigned bits) + ICODE_ATTR; +static void fginvblock(unsigned char *address, unsigned mask, unsigned bits) +{ + *address |= ~bits & mask; +} + +static void solidinvblock(unsigned char *address, unsigned mask, unsigned bits) + ICODE_ATTR; +static void solidinvblock(unsigned char *address, unsigned mask, unsigned bits) +{ + unsigned data = *(char *)address; + + bits = ~bits ^ data; + *address = data ^ (bits & mask); +} + +lcd_blockfunc_type* const lcd_blockfuncs[8] = { + flipblock, bgblock, fgblock, solidblock, + flipinvblock, bginvblock, fginvblock, solidinvblock +}; + +/*** drawing functions ***/ + +/* Clear the whole display */ +void lcd_clear_display(void) +{ + unsigned bits = (drawmode & DRMODE_INVERSEVID) ? 0xFFu : 0; + + memset(lcd_framebuffer, bits, sizeof lcd_framebuffer); + scrolling_lines = 0; +} + +/* Set a single pixel */ +void lcd_drawpixel(int x, int y) +{ + if (((unsigned)x < LCD_WIDTH) && ((unsigned)y < LCD_HEIGHT)) + lcd_pixelfuncs[drawmode](x, y); +} + +/* Draw a line */ +void lcd_drawline(int x1, int y1, int x2, int y2) +{ + int numpixels; + int i; + int deltax, deltay; + int d, dinc1, dinc2; + int x, xinc1, xinc2; + int y, yinc1, yinc2; + lcd_pixelfunc_type *pfunc = lcd_pixelfuncs[drawmode]; + + deltax = abs(x2 - x1); + deltay = abs(y2 - y1); + xinc2 = 1; + yinc2 = 1; + + if (deltax >= deltay) + { + numpixels = deltax; + d = 2 * deltay - deltax; + dinc1 = deltay * 2; + dinc2 = (deltay - deltax) * 2; + xinc1 = 1; + yinc1 = 0; + } + else + { + numpixels = deltay; + d = 2 * deltax - deltay; + dinc1 = deltax * 2; + dinc2 = (deltax - deltay) * 2; + xinc1 = 0; + yinc1 = 1; + } + numpixels++; /* include endpoints */ + + if (x1 > x2) + { + xinc1 = -xinc1; + xinc2 = -xinc2; + } + + if (y1 > y2) + { + yinc1 = -yinc1; + yinc2 = -yinc2; + } + + x = x1; + y = y1; + + for (i = 0; i < numpixels; i++) + { + if (((unsigned)x < LCD_WIDTH) && ((unsigned)y < LCD_HEIGHT)) + pfunc(x, y); + + if (d < 0) + { + d += dinc1; + x += xinc1; + y += yinc1; + } + else + { + d += dinc2; + x += xinc2; + y += yinc2; + } + } +} + +/* Draw a horizontal line (optimised) */ +void lcd_hline(int x1, int x2, int y) +{ + int x; + unsigned char *dst, *dst_end; + unsigned mask; + lcd_blockfunc_type *bfunc; + + /* direction flip */ + if (x2 < x1) + { + x = x1; + x1 = x2; + x2 = x; + } + + /* nothing to draw? */ + if (((unsigned)y >= LCD_HEIGHT) || (x1 >= LCD_WIDTH) || (x2 < 0)) + return; + + /* clipping */ + if (x1 < 0) + x1 = 0; + if (x2 >= LCD_WIDTH) + x2 = LCD_WIDTH-1; + + bfunc = lcd_blockfuncs[drawmode]; + dst = &lcd_framebuffer[y>>3][x1]; + mask = 1 << (y & 7); + + dst_end = dst + x2 - x1; + do + bfunc(dst++, mask, 0xFFu); + while (dst <= dst_end); +} + +/* Draw a vertical line (optimised) */ +void lcd_vline(int x, int y1, int y2) +{ + int ny; + unsigned char *dst; + unsigned mask, mask_bottom; + lcd_blockfunc_type *bfunc; + + /* direction flip */ + if (y2 < y1) + { + ny = y1; + y1 = y2; + y2 = ny; + } + + /* nothing to draw? */ + if (((unsigned)x >= LCD_WIDTH) || (y1 >= LCD_HEIGHT) || (y2 < 0)) + return; + + /* clipping */ + if (y1 < 0) + y1 = 0; + if (y2 >= LCD_HEIGHT) + y2 = LCD_HEIGHT-1; + + bfunc = lcd_blockfuncs[drawmode]; + dst = &lcd_framebuffer[y1>>3][x]; + ny = y2 - (y1 & ~7); + mask = 0xFFu << (y1 & 7); + mask_bottom = 0xFFu >> (~ny & 7); + + for (; ny >= 8; ny -= 8) + { + bfunc(dst, mask, 0xFFu); + dst += LCD_WIDTH; + mask = 0xFFu; + } + mask &= mask_bottom; + bfunc(dst, mask, 0xFFu); +} + +/* Draw a rectangular box */ +void lcd_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_vline(x, y, y2); + lcd_vline(x2, y, y2); + lcd_hline(x, x2, y); + lcd_hline(x, x2, y2); +} + +/* Fill a rectangular area */ +void lcd_fillrect(int x, int y, int width, int height) +{ + int ny; + unsigned char *dst, *dst_end; + unsigned mask, mask_bottom; + unsigned bits = 0; + lcd_blockfunc_type *bfunc; + bool fillopt = false; + + /* nothing to draw? */ + if ((width <= 0) || (height <= 0) || (x >= LCD_WIDTH) || (y >= LCD_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_WIDTH) + width = LCD_WIDTH - x; + if (y + height > LCD_HEIGHT) + height = LCD_HEIGHT - y; + + if (drawmode & DRMODE_INVERSEVID) + { + if (drawmode & DRMODE_BG) + { + fillopt = true; + } + } + else + { + if (drawmode & DRMODE_FG) + { + fillopt = true; + bits = 0xFFu; + } + } + bfunc = lcd_blockfuncs[drawmode]; + dst = &lcd_framebuffer[y>>3][x]; + ny = height - 1 + (y & 7); + mask = 0xFFu << (y & 7); + mask_bottom = 0xFFu >> (~ny & 7); + + for (; ny >= 8; ny -= 8) + { + if (fillopt && (mask == 0xFFu)) + memset(dst, bits, width); + else + { + unsigned char *dst_row = dst; + + dst_end = dst_row + width; + do + bfunc(dst_row++, mask, 0xFFu); + while (dst_row < dst_end); + } + + dst += LCD_WIDTH; + mask = 0xFFu; + } + mask &= mask_bottom; + + if (fillopt && (mask == 0xFFu)) + memset(dst, bits, width); + else + { + dst_end = dst + width; + do + bfunc(dst++, mask, 0xFFu); + while (dst < dst_end); + } +} + +/* About Rockbox' internal 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 the same as the internal lcd hw format. */ + +/* Draw a partial bitmap */ +void lcd_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_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; + unsigned char *dst, *dst_end; + unsigned mask, mask_bottom; + lcd_blockfunc_type *bfunc; + + /* nothing to draw? */ + if ((width <= 0) || (height <= 0) || (x >= LCD_WIDTH) || (y >= LCD_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_WIDTH) + width = LCD_WIDTH - x; + if (y + height > LCD_HEIGHT) + height = LCD_HEIGHT - y; + + src += stride * (src_y >> 3) + src_x; /* move starting point */ + src_y &= 7; + y -= src_y; + dst = &lcd_framebuffer[y>>3][x]; + shift = y & 7; + ny = height - 1 + shift + src_y; + + bfunc = lcd_blockfuncs[drawmode]; + mask = 0xFFu << (shift + src_y); + mask_bottom = 0xFFu >> (~ny & 7); + + if (shift == 0) + { + bool copyopt = (drawmode == DRMODE_SOLID); + + for (; ny >= 8; ny -= 8) + { + if (copyopt && (mask == 0xFFu)) + memcpy(dst, src, width); + else + { + const unsigned char *src_row = src; + unsigned char *dst_row = dst; + + dst_end = dst_row + width; + do + bfunc(dst_row++, mask, *src_row++); + while (dst_row < dst_end); + } + + src += stride; + dst += LCD_WIDTH; + mask = 0xFFu; + } + mask &= mask_bottom; + + if (copyopt && (mask == 0xFFu)) + memcpy(dst, src, width); + else + { + dst_end = dst + width; + do + bfunc(dst++, mask, *src++); + while (dst < dst_end); + } + } + else + { + dst_end = dst + width; + do + { + const unsigned char *src_col = src++; + unsigned char *dst_col = dst++; + unsigned mask_col = mask; + unsigned data = 0; + + for (y = ny; y >= 8; y -= 8) + { + data |= *src_col << shift; + + if (mask_col & 0xFFu) + { + bfunc(dst_col, mask_col, data); + mask_col = 0xFFu; + } + else + mask_col >>= 8; + + src_col += stride; + dst_col += LCD_WIDTH; + data >>= 8; + } + data |= *src_col << shift; + bfunc(dst_col, mask_col & mask_bottom, data); + } + while (dst < dst_end); + } +} + +/* Draw a full bitmap */ +void lcd_bitmap(const unsigned char *src, int x, int y, int width, int height) +{ + lcd_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_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_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_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_putsxy(int x, int y, const unsigned char *str) +{ + lcd_putsxyofs(x, y, 0, str); +} + +/*** Line oriented text output ***/ + +/* put a string at a given char position */ +void lcd_puts(int x, int y, const unsigned char *str) +{ + lcd_puts_style_offset(x, y, str, STYLE_DEFAULT, 0); +} + +void lcd_puts_style(int x, int y, const unsigned char *str, int style) +{ + lcd_puts_style_offset(x, y, str, style, 0); +} + +void lcd_puts_offset(int x, int y, const unsigned char *str, int offset) +{ + lcd_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_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_getstringsize(str, &w, &h); + xpos = xmargin + x*w / utf8length(str); + ypos = ymargin + y*h; + drawmode = (style & STYLE_INVERT) ? + (DRMODE_SOLID|DRMODE_INVERSEVID) : DRMODE_SOLID; + lcd_putsxyofs(xpos, ypos, offset, str); + drawmode ^= DRMODE_INVERSEVID; + xrect = xpos + MAX(w - offset, 0); + lcd_fillrect(xrect, ypos, LCD_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_invertscroll(int x, int y) +{ + struct scrollinfo* s; + + (void)x; + + s = &scroll[y]; + s->invert = !s->invert; +} + +void lcd_stop_scroll(void) +{ + scrolling_lines=0; +} + +void lcd_scroll_speed(int speed) +{ + scroll_ticks = scroll_tick_table[speed]; +} + +void lcd_scroll_step(int step) +{ + scroll_step = step; +} + +void lcd_scroll_delay(int ms) +{ + scroll_delay = ms / (HZ / 10); +} + +void lcd_bidir_scroll(int percent) +{ + bidir_limit = percent; +} + +void lcd_puts_scroll(int x, int y, const unsigned char *string) +{ + lcd_puts_scroll_style(x, y, string, STYLE_DEFAULT); +} + +void lcd_puts_scroll_style(int x, int y, const unsigned char *string, int style) +{ + lcd_puts_scroll_style_offset(x, y, string, style, 0); +} + +void lcd_puts_scroll_offset(int x, int y, const unsigned char *string, + int offset) +{ + lcd_puts_scroll_style_offset(x, y, string, STYLE_DEFAULT, offset); +} + +void lcd_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_puts_style_offset(x,y,string,STYLE_INVERT,offset); + } + else + lcd_puts_offset(x,y,string,offset); + + lcd_getstringsize(string, &w, &h); + + if (LCD_WIDTH - x * 8 - xmargin < w) { + /* prepare scroll line */ + char *end; + + memset(s->line, 0, sizeof s->line); + strcpy(s->line, string); + + /* get width */ + s->width = lcd_getstringsize(s->line, &w, &h); + + /* scroll bidirectional or forward only depending on the string + width */ + if ( bidir_limit ) { + s->bidir = s->width < (LCD_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_getstringsize(s->line, &w, &h); + } + + end = strchr(s->line, '\0'); + strncpy(end, string, LCD_WIDTH/2); + + s->len = utf8length(string); + s->offset = offset; + s->startx = xmargin + x * s->width / s->len;; + s->backward = false; + scrolling_lines |= (1<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_WIDTH - xpos)) { + /* at end of line */ + s->offset = s->width - (LCD_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_putsxyofs(xpos, ypos, s->offset, s->line); + drawmode = lastmode; + lcd_update_rect(xpos, ypos, LCD_WIDTH - xpos, pf->height); + } + + sleep(scroll_ticks); + } +} + diff --git a/firmware/drivers/lcd-recorder.c b/firmware/drivers/lcd-recorder.c deleted file mode 100644 index 5c4a0352a7..0000000000 --- a/firmware/drivers/lcd-recorder.c +++ /dev/null @@ -1,1084 +0,0 @@ -/*************************************************************************** - * __________ __ ___. - * Open \______ \ ____ ____ | | _\_ |__ _______ ___ - * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / - * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < - * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ - * \/ \/ \/ \/ \/ - * $Id$ - * - * Copyright (C) 2002 by Alan Korr - * - * All files in this archive are subject to the GNU General Public License. - * See the file COPYING in the source tree root for full license agreement. - * - * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY - * KIND, either express or implied. - * - ****************************************************************************/ -#include "config.h" - -#include "lcd.h" -#include "kernel.h" -#include "thread.h" -#include -#include -#include "file.h" -#include "debug.h" -#include "system.h" -#include "font.h" -#include "hwcompat.h" -#include "rbunicode.h" -#include "bidi.h" - -/*** definitions ***/ - -#define LCD_SET_LOWER_COLUMN_ADDRESS ((char)0x00) -#define LCD_SET_HIGHER_COLUMN_ADDRESS ((char)0x10) -#define LCD_SET_INTERNAL_REGULATOR_RESISTOR_RATIO ((char)0x20) -#define LCD_SET_POWER_CONTROL_REGISTER ((char)0x28) -#define LCD_SET_DISPLAY_START_LINE ((char)0x40) -#define LCD_SET_CONTRAST_CONTROL_REGISTER ((char)0x81) -#define LCD_SET_SEGMENT_REMAP ((char)0xA0) -#define LCD_SET_LCD_BIAS ((char)0xA2) -#define LCD_SET_ENTIRE_DISPLAY_OFF ((char)0xA4) -#define LCD_SET_ENTIRE_DISPLAY_ON ((char)0xA5) -#define LCD_SET_NORMAL_DISPLAY ((char)0xA6) -#define LCD_SET_REVERSE_DISPLAY ((char)0xA7) -#define LCD_SET_MULTIPLEX_RATIO ((char)0xA8) -#define LCD_SET_BIAS_TC_OSC ((char)0xA9) -#define LCD_SET_1OVER4_BIAS_RATIO ((char)0xAA) -#define LCD_SET_INDICATOR_OFF ((char)0xAC) -#define LCD_SET_INDICATOR_ON ((char)0xAD) -#define LCD_SET_DISPLAY_OFF ((char)0xAE) -#define LCD_SET_DISPLAY_ON ((char)0xAF) -#define LCD_SET_PAGE_ADDRESS ((char)0xB0) -#define LCD_SET_COM_OUTPUT_SCAN_DIRECTION ((char)0xC0) -#define LCD_SET_TOTAL_FRAME_PHASES ((char)0xD2) -#define LCD_SET_DISPLAY_OFFSET ((char)0xD3) -#define LCD_SET_READ_MODIFY_WRITE_MODE ((char)0xE0) -#define LCD_SOFTWARE_RESET ((char)0xE2) -#define LCD_NOP ((char)0xE3) -#define LCD_SET_END_OF_READ_MODIFY_WRITE_MODE ((char)0xEE) - -/* LCD command codes */ -#define LCD_CNTL_RESET 0xe2 /* Software reset */ -#define LCD_CNTL_POWER 0x2f /* Power control */ -#define LCD_CNTL_CONTRAST 0x81 /* Contrast */ -#define LCD_CNTL_OUTSCAN 0xc8 /* Output scan direction */ -#define LCD_CNTL_SEGREMAP 0xa1 /* Segment remap */ -#define LCD_CNTL_DISPON 0xaf /* Display on */ - -#define LCD_CNTL_PAGE 0xb0 /* Page address */ -#define LCD_CNTL_HIGHCOL 0x10 /* Upper column address */ -#define LCD_CNTL_LOWCOL 0x00 /* Lower column address */ - -#define SCROLLABLE_LINES 13 - -/*** globals ***/ - -unsigned char lcd_framebuffer[LCD_HEIGHT/8][LCD_WIDTH]; - -static int drawmode = DRMODE_SOLID; -static int xmargin = 0; -static int ymargin = 0; -static int curfont = FONT_SYSFIXED; -#ifndef SIMULATOR -static int xoffset; /* needed for flip */ -#endif - -/* scrolling */ -static volatile int scrolling_lines=0; /* Bitpattern of which lines are scrolling */ -static void scroll_thread(void); -static char scroll_stack[DEFAULT_STACK_SIZE]; -static const char scroll_name[] = "scroll"; -static int scroll_ticks = 12; /* # of ticks between updates*/ -static int scroll_delay = HZ/2; /* ticks delay before start */ -static int scroll_step = 6; /* pixels per scroll step */ -static int bidir_limit = 50; /* percent */ -static struct scrollinfo scroll[SCROLLABLE_LINES]; - -static const char scroll_tick_table[16] = { - /* Hz values: - 1, 1.25, 1.55, 2, 2.5, 3.12, 4, 5, 6.25, 8.33, 10, 12.5, 16.7, 20, 25, 33 */ - 100, 80, 64, 50, 40, 32, 25, 20, 16, 12, 10, 8, 6, 5, 4, 3 -}; - -/*** driver routines ***/ - -/* optimised archos recorder code is in lcd.S */ - -#if CONFIG_CPU == PNX0101 - -void lcd_write_command(int cmd) -{ - while ((LCDSTAT & 3) != 3); - LCDCMD = cmd; -} - -void lcd_write_data( const unsigned char* data, int count ) -{ - int i; - for (i=0; i < count; i++) { - while ((LCDSTAT & 3) != 3); - LCDDATA = data[i]; - } -} - -#endif - -/*** hardware configuration ***/ - -#ifndef SIMULATOR - -int lcd_default_contrast(void) -{ -#if CONFIG_LCD == LCD_IFP7XX - return 45; -#else - return (read_hw_mask() & LCD_CONTRAST_BIAS) ? 31 : 49; -#endif -} - -void lcd_set_contrast(int val) -{ - lcd_write_command(LCD_CNTL_CONTRAST); - lcd_write_command(val); -} - -void lcd_set_invert_display(bool yesno) -{ - if (yesno) - lcd_write_command(LCD_SET_REVERSE_DISPLAY); - else - lcd_write_command(LCD_SET_NORMAL_DISPLAY); -} - -/* turn the display upside down (call lcd_update() afterwards) */ -void lcd_set_flip(bool yesno) -{ -#ifdef HAVE_DISPLAY_FLIPPED - if (!yesno) -#else - if (yesno) -#endif - { - lcd_write_command(LCD_SET_SEGMENT_REMAP); - lcd_write_command(LCD_SET_COM_OUTPUT_SCAN_DIRECTION); - xoffset = 132 - LCD_WIDTH; /* 132 colums minus the 112 we have */ - } - else - { - lcd_write_command(LCD_SET_SEGMENT_REMAP | 0x01); - lcd_write_command(LCD_SET_COM_OUTPUT_SCAN_DIRECTION | 0x08); -#if CONFIG_LCD == LCD_IFP7XX - xoffset = 4; -#else - xoffset = 0; -#endif - } -} - -#endif /* !SIMULATOR */ - -/* LCD init */ -#ifdef SIMULATOR - -void lcd_init(void) -{ - create_thread(scroll_thread, scroll_stack, - sizeof(scroll_stack), scroll_name IF_PRIO(, PRIORITY_USER_INTERFACE)); -} -#else - -void lcd_init(void) -{ -#if CONFIG_CPU == PNX0101 - LCDREG10 = 0xf; - LCDREG04 = 0x4084; -#else - /* Initialize PB0-3 as output pins */ - PBCR2 &= 0xff00; /* MD = 00 */ - PBIOR |= 0x000f; /* IOR = 1 */ -#endif - - /* inits like the original firmware */ - lcd_write_command(LCD_SOFTWARE_RESET); - lcd_write_command(LCD_SET_INTERNAL_REGULATOR_RESISTOR_RATIO + 4); -#if CONFIG_LCD == LCD_IFP7XX - lcd_write_command(LCD_SET_LCD_BIAS); -#else - lcd_write_command(LCD_SET_1OVER4_BIAS_RATIO + 0); /* force 1/4 bias: 0 */ -#endif - lcd_write_command(LCD_SET_POWER_CONTROL_REGISTER + 7); - /* power control register: op-amp=1, regulator=1, booster=1 */ - lcd_write_command(LCD_SET_DISPLAY_ON); - lcd_write_command(LCD_SET_NORMAL_DISPLAY); - lcd_set_flip(false); - lcd_write_command(LCD_SET_DISPLAY_START_LINE + 0); - lcd_set_contrast(lcd_default_contrast()); - lcd_write_command(LCD_SET_PAGE_ADDRESS); - lcd_write_command(LCD_SET_LOWER_COLUMN_ADDRESS + 0); - lcd_write_command(LCD_SET_HIGHER_COLUMN_ADDRESS + 0); - - lcd_clear_display(); - lcd_update(); - - create_thread(scroll_thread, scroll_stack, - sizeof(scroll_stack), scroll_name IF_PRIO(, PRIORITY_USER_INTERFACE)); -} - -/*** Update functions ***/ - -/* Performance function that works with an external buffer - note that by and bheight are in 8-pixel units! */ -void lcd_blit(const unsigned char* data, int x, int by, int width, - int bheight, int stride) -{ - /* Copy display bitmap to hardware */ - while (bheight--) - { - lcd_write_command (LCD_CNTL_PAGE | (by++ & 0xf)); - lcd_write_command (LCD_CNTL_HIGHCOL | (((x+xoffset)>>4) & 0xf)); - lcd_write_command (LCD_CNTL_LOWCOL | ((x+xoffset) & 0xf)); - - lcd_write_data(data, width); - data += stride; - } -} - - -/* Update the display. - This must be called after all other LCD functions that change the display. */ -void lcd_update(void) ICODE_ATTR; -void lcd_update(void) -{ - int y; - - /* Copy display bitmap to hardware */ - for (y = 0; y < LCD_HEIGHT/8; y++) - { - lcd_write_command (LCD_CNTL_PAGE | (y & 0xf)); - lcd_write_command (LCD_CNTL_HIGHCOL | ((xoffset >> 4) & 0xf)); - lcd_write_command (LCD_CNTL_LOWCOL | (xoffset & 0xf)); - - lcd_write_data (lcd_framebuffer[y], LCD_WIDTH); - } -} - -/* Update a fraction of the display. */ -void lcd_update_rect(int, int, int, int) ICODE_ATTR; -void lcd_update_rect(int x, int y, int width, int height) -{ - int ymax; - - /* The Y coordinates have to work on even 8 pixel rows */ - ymax = (y + height-1) >> 3; - y >>= 3; - - if(x + width > LCD_WIDTH) - width = LCD_WIDTH - x; - if (width <= 0) - return; /* nothing left to do, 0 is harmful to lcd_write_data() */ - if(ymax >= LCD_HEIGHT/8) - ymax = LCD_HEIGHT/8-1; - - /* Copy specified rectange bitmap to hardware */ - for (; y <= ymax; y++) - { - lcd_write_command (LCD_CNTL_PAGE | (y & 0xf)); - lcd_write_command (LCD_CNTL_HIGHCOL | (((x+xoffset) >> 4) & 0xf)); - lcd_write_command (LCD_CNTL_LOWCOL | ((x+xoffset) & 0xf)); - - lcd_write_data (&lcd_framebuffer[y][x], width); - } -} -#endif /* !SIMULATOR */ - -/*** parameter handling ***/ - -void lcd_set_drawmode(int mode) -{ - drawmode = mode & (DRMODE_SOLID|DRMODE_INVERSEVID); -} - -int lcd_get_drawmode(void) -{ - return drawmode; -} - -void lcd_setmargins(int x, int y) -{ - xmargin = x; - ymargin = y; -} - -int lcd_getxmargin(void) -{ - return xmargin; -} - -int lcd_getymargin(void) -{ - return ymargin; -} - -void lcd_setfont(int newfont) -{ - curfont = newfont; -} - -int lcd_getstringsize(const unsigned char *str, int *w, int *h) -{ - return font_getstringsize(str, w, h, curfont); -} - -/*** low-level drawing functions ***/ - -static void setpixel(int x, int y) -{ - lcd_framebuffer[y>>3][x] |= 1 << (y & 7); -} - -static void clearpixel(int x, int y) -{ - lcd_framebuffer[y>>3][x] &= ~(1 << (y & 7)); -} - -static void flippixel(int x, int y) -{ - lcd_framebuffer[y>>3][x] ^= 1 << (y & 7); -} - -static void nopixel(int x, int y) -{ - (void)x; - (void)y; -} - -lcd_pixelfunc_type* const lcd_pixelfuncs[8] = { - flippixel, nopixel, setpixel, setpixel, - nopixel, clearpixel, nopixel, clearpixel -}; - -static void flipblock(unsigned char *address, unsigned mask, unsigned bits) - ICODE_ATTR; -static void flipblock(unsigned char *address, unsigned mask, unsigned bits) -{ - *address ^= bits & mask; -} - -static void bgblock(unsigned char *address, unsigned mask, unsigned bits) - ICODE_ATTR; -static void bgblock(unsigned char *address, unsigned mask, unsigned bits) -{ - *address &= bits | ~mask; -} - -static void fgblock(unsigned char *address, unsigned mask, unsigned bits) - ICODE_ATTR; -static void fgblock(unsigned char *address, unsigned mask, unsigned bits) -{ - *address |= bits & mask; -} - -static void solidblock(unsigned char *address, unsigned mask, unsigned bits) - ICODE_ATTR; -static void solidblock(unsigned char *address, unsigned mask, unsigned bits) -{ - unsigned data = *(char*)address; - - bits ^= data; - *address = data ^ (bits & mask); -} - -static void flipinvblock(unsigned char *address, unsigned mask, unsigned bits) - ICODE_ATTR; -static void flipinvblock(unsigned char *address, unsigned mask, unsigned bits) -{ - *address ^= ~bits & mask; -} - -static void bginvblock(unsigned char *address, unsigned mask, unsigned bits) - ICODE_ATTR; -static void bginvblock(unsigned char *address, unsigned mask, unsigned bits) -{ - *address &= ~(bits & mask); -} - -static void fginvblock(unsigned char *address, unsigned mask, unsigned bits) - ICODE_ATTR; -static void fginvblock(unsigned char *address, unsigned mask, unsigned bits) -{ - *address |= ~bits & mask; -} - -static void solidinvblock(unsigned char *address, unsigned mask, unsigned bits) - ICODE_ATTR; -static void solidinvblock(unsigned char *address, unsigned mask, unsigned bits) -{ - unsigned data = *(char *)address; - - bits = ~bits ^ data; - *address = data ^ (bits & mask); -} - -lcd_blockfunc_type* const lcd_blockfuncs[8] = { - flipblock, bgblock, fgblock, solidblock, - flipinvblock, bginvblock, fginvblock, solidinvblock -}; - -/*** drawing functions ***/ - -/* Clear the whole display */ -void lcd_clear_display(void) -{ - unsigned bits = (drawmode & DRMODE_INVERSEVID) ? 0xFFu : 0; - - memset(lcd_framebuffer, bits, sizeof lcd_framebuffer); - scrolling_lines = 0; -} - -/* Set a single pixel */ -void lcd_drawpixel(int x, int y) -{ - if (((unsigned)x < LCD_WIDTH) && ((unsigned)y < LCD_HEIGHT)) - lcd_pixelfuncs[drawmode](x, y); -} - -/* Draw a line */ -void lcd_drawline(int x1, int y1, int x2, int y2) -{ - int numpixels; - int i; - int deltax, deltay; - int d, dinc1, dinc2; - int x, xinc1, xinc2; - int y, yinc1, yinc2; - lcd_pixelfunc_type *pfunc = lcd_pixelfuncs[drawmode]; - - deltax = abs(x2 - x1); - deltay = abs(y2 - y1); - xinc2 = 1; - yinc2 = 1; - - if (deltax >= deltay) - { - numpixels = deltax; - d = 2 * deltay - deltax; - dinc1 = deltay * 2; - dinc2 = (deltay - deltax) * 2; - xinc1 = 1; - yinc1 = 0; - } - else - { - numpixels = deltay; - d = 2 * deltax - deltay; - dinc1 = deltax * 2; - dinc2 = (deltax - deltay) * 2; - xinc1 = 0; - yinc1 = 1; - } - numpixels++; /* include endpoints */ - - if (x1 > x2) - { - xinc1 = -xinc1; - xinc2 = -xinc2; - } - - if (y1 > y2) - { - yinc1 = -yinc1; - yinc2 = -yinc2; - } - - x = x1; - y = y1; - - for (i = 0; i < numpixels; i++) - { - if (((unsigned)x < LCD_WIDTH) && ((unsigned)y < LCD_HEIGHT)) - pfunc(x, y); - - if (d < 0) - { - d += dinc1; - x += xinc1; - y += yinc1; - } - else - { - d += dinc2; - x += xinc2; - y += yinc2; - } - } -} - -/* Draw a horizontal line (optimised) */ -void lcd_hline(int x1, int x2, int y) -{ - int x; - unsigned char *dst, *dst_end; - unsigned mask; - lcd_blockfunc_type *bfunc; - - /* direction flip */ - if (x2 < x1) - { - x = x1; - x1 = x2; - x2 = x; - } - - /* nothing to draw? */ - if (((unsigned)y >= LCD_HEIGHT) || (x1 >= LCD_WIDTH) || (x2 < 0)) - return; - - /* clipping */ - if (x1 < 0) - x1 = 0; - if (x2 >= LCD_WIDTH) - x2 = LCD_WIDTH-1; - - bfunc = lcd_blockfuncs[drawmode]; - dst = &lcd_framebuffer[y>>3][x1]; - mask = 1 << (y & 7); - - dst_end = dst + x2 - x1; - do - bfunc(dst++, mask, 0xFFu); - while (dst <= dst_end); -} - -/* Draw a vertical line (optimised) */ -void lcd_vline(int x, int y1, int y2) -{ - int ny; - unsigned char *dst; - unsigned mask, mask_bottom; - lcd_blockfunc_type *bfunc; - - /* direction flip */ - if (y2 < y1) - { - ny = y1; - y1 = y2; - y2 = ny; - } - - /* nothing to draw? */ - if (((unsigned)x >= LCD_WIDTH) || (y1 >= LCD_HEIGHT) || (y2 < 0)) - return; - - /* clipping */ - if (y1 < 0) - y1 = 0; - if (y2 >= LCD_HEIGHT) - y2 = LCD_HEIGHT-1; - - bfunc = lcd_blockfuncs[drawmode]; - dst = &lcd_framebuffer[y1>>3][x]; - ny = y2 - (y1 & ~7); - mask = 0xFFu << (y1 & 7); - mask_bottom = 0xFFu >> (~ny & 7); - - for (; ny >= 8; ny -= 8) - { - bfunc(dst, mask, 0xFFu); - dst += LCD_WIDTH; - mask = 0xFFu; - } - mask &= mask_bottom; - bfunc(dst, mask, 0xFFu); -} - -/* Draw a rectangular box */ -void lcd_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_vline(x, y, y2); - lcd_vline(x2, y, y2); - lcd_hline(x, x2, y); - lcd_hline(x, x2, y2); -} - -/* Fill a rectangular area */ -void lcd_fillrect(int x, int y, int width, int height) -{ - int ny; - unsigned char *dst, *dst_end; - unsigned mask, mask_bottom; - unsigned bits = 0; - lcd_blockfunc_type *bfunc; - bool fillopt = false; - - /* nothing to draw? */ - if ((width <= 0) || (height <= 0) || (x >= LCD_WIDTH) || (y >= LCD_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_WIDTH) - width = LCD_WIDTH - x; - if (y + height > LCD_HEIGHT) - height = LCD_HEIGHT - y; - - if (drawmode & DRMODE_INVERSEVID) - { - if (drawmode & DRMODE_BG) - { - fillopt = true; - } - } - else - { - if (drawmode & DRMODE_FG) - { - fillopt = true; - bits = 0xFFu; - } - } - bfunc = lcd_blockfuncs[drawmode]; - dst = &lcd_framebuffer[y>>3][x]; - ny = height - 1 + (y & 7); - mask = 0xFFu << (y & 7); - mask_bottom = 0xFFu >> (~ny & 7); - - for (; ny >= 8; ny -= 8) - { - if (fillopt && (mask == 0xFFu)) - memset(dst, bits, width); - else - { - unsigned char *dst_row = dst; - - dst_end = dst_row + width; - do - bfunc(dst_row++, mask, 0xFFu); - while (dst_row < dst_end); - } - - dst += LCD_WIDTH; - mask = 0xFFu; - } - mask &= mask_bottom; - - if (fillopt && (mask == 0xFFu)) - memset(dst, bits, width); - else - { - dst_end = dst + width; - do - bfunc(dst++, mask, 0xFFu); - while (dst < dst_end); - } -} - -/* About Rockbox' internal 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 the same as the internal lcd hw format. */ - -/* Draw a partial bitmap */ -void lcd_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_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; - unsigned char *dst, *dst_end; - unsigned mask, mask_bottom; - lcd_blockfunc_type *bfunc; - - /* nothing to draw? */ - if ((width <= 0) || (height <= 0) || (x >= LCD_WIDTH) || (y >= LCD_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_WIDTH) - width = LCD_WIDTH - x; - if (y + height > LCD_HEIGHT) - height = LCD_HEIGHT - y; - - src += stride * (src_y >> 3) + src_x; /* move starting point */ - src_y &= 7; - y -= src_y; - dst = &lcd_framebuffer[y>>3][x]; - shift = y & 7; - ny = height - 1 + shift + src_y; - - bfunc = lcd_blockfuncs[drawmode]; - mask = 0xFFu << (shift + src_y); - mask_bottom = 0xFFu >> (~ny & 7); - - if (shift == 0) - { - bool copyopt = (drawmode == DRMODE_SOLID); - - for (; ny >= 8; ny -= 8) - { - if (copyopt && (mask == 0xFFu)) - memcpy(dst, src, width); - else - { - const unsigned char *src_row = src; - unsigned char *dst_row = dst; - - dst_end = dst_row + width; - do - bfunc(dst_row++, mask, *src_row++); - while (dst_row < dst_end); - } - - src += stride; - dst += LCD_WIDTH; - mask = 0xFFu; - } - mask &= mask_bottom; - - if (copyopt && (mask == 0xFFu)) - memcpy(dst, src, width); - else - { - dst_end = dst + width; - do - bfunc(dst++, mask, *src++); - while (dst < dst_end); - } - } - else - { - dst_end = dst + width; - do - { - const unsigned char *src_col = src++; - unsigned char *dst_col = dst++; - unsigned mask_col = mask; - unsigned data = 0; - - for (y = ny; y >= 8; y -= 8) - { - data |= *src_col << shift; - - if (mask_col & 0xFFu) - { - bfunc(dst_col, mask_col, data); - mask_col = 0xFFu; - } - else - mask_col >>= 8; - - src_col += stride; - dst_col += LCD_WIDTH; - data >>= 8; - } - data |= *src_col << shift; - bfunc(dst_col, mask_col & mask_bottom, data); - } - while (dst < dst_end); - } -} - -/* Draw a full bitmap */ -void lcd_bitmap(const unsigned char *src, int x, int y, int width, int height) -{ - lcd_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_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_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_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_putsxy(int x, int y, const unsigned char *str) -{ - lcd_putsxyofs(x, y, 0, str); -} - -/*** Line oriented text output ***/ - -/* put a string at a given char position */ -void lcd_puts(int x, int y, const unsigned char *str) -{ - lcd_puts_style_offset(x, y, str, STYLE_DEFAULT, 0); -} - -void lcd_puts_style(int x, int y, const unsigned char *str, int style) -{ - lcd_puts_style_offset(x, y, str, style, 0); -} - -void lcd_puts_offset(int x, int y, const unsigned char *str, int offset) -{ - lcd_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_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_getstringsize(str, &w, &h); - xpos = xmargin + x*w / utf8length(str); - ypos = ymargin + y*h; - drawmode = (style & STYLE_INVERT) ? - (DRMODE_SOLID|DRMODE_INVERSEVID) : DRMODE_SOLID; - lcd_putsxyofs(xpos, ypos, offset, str); - drawmode ^= DRMODE_INVERSEVID; - xrect = xpos + MAX(w - offset, 0); - lcd_fillrect(xrect, ypos, LCD_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_invertscroll(int x, int y) -{ - struct scrollinfo* s; - - (void)x; - - s = &scroll[y]; - s->invert = !s->invert; -} - -void lcd_stop_scroll(void) -{ - scrolling_lines=0; -} - -void lcd_scroll_speed(int speed) -{ - scroll_ticks = scroll_tick_table[speed]; -} - -void lcd_scroll_step(int step) -{ - scroll_step = step; -} - -void lcd_scroll_delay(int ms) -{ - scroll_delay = ms / (HZ / 10); -} - -void lcd_bidir_scroll(int percent) -{ - bidir_limit = percent; -} - -void lcd_puts_scroll(int x, int y, const unsigned char *string) -{ - lcd_puts_scroll_style(x, y, string, STYLE_DEFAULT); -} - -void lcd_puts_scroll_style(int x, int y, const unsigned char *string, int style) -{ - lcd_puts_scroll_style_offset(x, y, string, style, 0); -} - -void lcd_puts_scroll_offset(int x, int y, const unsigned char *string, - int offset) -{ - lcd_puts_scroll_style_offset(x, y, string, STYLE_DEFAULT, offset); -} - -void lcd_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_puts_style_offset(x,y,string,STYLE_INVERT,offset); - } - else - lcd_puts_offset(x,y,string,offset); - - lcd_getstringsize(string, &w, &h); - - if (LCD_WIDTH - x * 8 - xmargin < w) { - /* prepare scroll line */ - char *end; - - memset(s->line, 0, sizeof s->line); - strcpy(s->line, string); - - /* get width */ - s->width = lcd_getstringsize(s->line, &w, &h); - - /* scroll bidirectional or forward only depending on the string - width */ - if ( bidir_limit ) { - s->bidir = s->width < (LCD_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_getstringsize(s->line, &w, &h); - } - - end = strchr(s->line, '\0'); - strncpy(end, string, LCD_WIDTH/2); - - s->len = utf8length(string); - s->offset = offset; - s->startx = xmargin + x * s->width / s->len;; - s->backward = false; - scrolling_lines |= (1<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_WIDTH - xpos)) { - /* at end of line */ - s->offset = s->width - (LCD_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_putsxyofs(xpos, ypos, s->offset, s->line); - drawmode = lastmode; - lcd_update_rect(xpos, ypos, LCD_WIDTH - xpos, pf->height); - } - - sleep(scroll_ticks); - } -} - -- cgit v1.2.3