/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * $Id$ * * Copyright (C) 2006 Jens Arnold * * Rockbox driver for 2bit vertically interleaved remote LCDs * * 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 "cpu.h" #include "lcd.h" #include "lcd-remote.h" #include "kernel.h" #include "thread.h" #include #include #include "memory.h" #include "file.h" #include "debug.h" #include "system.h" #include "font.h" #include "rbunicode.h" #include "bidi.h" #include "lcd-remote-target.h" #define SCROLLABLE_LINES (((LCD_REMOTE_HEIGHT+4)/5 < 32) ? (LCD_REMOTE_HEIGHT+4)/5 : 32) /*** globals ***/ fb_remote_data lcd_remote_framebuffer[LCD_REMOTE_FBHEIGHT][LCD_REMOTE_FBWIDTH] IBSS_ATTR; static const fb_remote_data patterns[4] = {0xFFFF, 0xFF00, 0x00FF, 0x0000}; static fb_remote_data* remote_backdrop = NULL; static long remote_backdrop_offset IDATA_ATTR = 0; static unsigned fg_pattern IDATA_ATTR = 0xFFFF; /* initially black */ static unsigned bg_pattern IDATA_ATTR = 0x0000; /* initially white */ 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 long scroll_stack[DEFAULT_STACK_SIZE/sizeof(long)]; static const char scroll_name[] = "remote_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 }; /* remote hotplug */ #ifndef SIMULATOR static struct event_queue remote_scroll_queue; #define REMOTE_INIT_LCD 1 #define REMOTE_DEINIT_LCD 2 #endif /*** parameter handling ***/ unsigned lcd_remote_color_to_native(unsigned color) { unsigned r = (color & 0xf800) >> 10; unsigned g = (color & 0x07e0) >> 5; unsigned b = (color & 0x001f) << 2; /* * |R| * |Y'| = |0.299000 0.587000 0.114000| |G| * |B| */ return (5*r + 9*g + b) >> 8; } void lcd_remote_set_drawmode(int mode) { drawmode = mode & (DRMODE_SOLID|DRMODE_INVERSEVID); } int lcd_remote_get_drawmode(void) { return drawmode; } void lcd_remote_set_foreground(unsigned brightness) { fg_pattern = patterns[brightness & 3]; } unsigned lcd_remote_get_foreground(void) { return (~fg_pattern >> 7) & 3; } void lcd_remote_set_background(unsigned brightness) { bg_pattern = patterns[brightness & 3]; } unsigned lcd_remote_get_background(void) { return (~bg_pattern >> 7) & 3; } void lcd_remote_set_drawinfo(int mode, unsigned fg_brightness, unsigned bg_brightness) { lcd_remote_set_drawmode(mode); lcd_remote_set_foreground(fg_brightness); lcd_remote_set_background(bg_brightness); } void lcd_remote_setmargins(int x, int y) { xmargin = x; ymargin = y; } int lcd_remote_getxmargin(void) { return xmargin; } int lcd_remote_getymargin(void) { return ymargin; } void lcd_remote_setfont(int newfont) { curfont = newfont; } int lcd_remote_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) { unsigned mask = 0x0101 << (y & 7); fb_remote_data *address = &lcd_remote_framebuffer[y>>3][x]; unsigned data = *address; *address = data ^ ((data ^ fg_pattern) & mask); } static void clearpixel(int x, int y) { unsigned mask = 0x0101 << (y & 7); fb_remote_data *address = &lcd_remote_framebuffer[y>>3][x]; unsigned data = *address; *address = data ^ ((data ^ bg_pattern) & mask); } static void clearimgpixel(int x, int y) { unsigned mask = 0x0101 << (y & 7); fb_remote_data *address = &lcd_remote_framebuffer[y>>3][x]; unsigned data = *address; *address = data ^ ((data ^ *(fb_remote_data *)((long)address + remote_backdrop_offset)) & mask); } static void flippixel(int x, int y) { unsigned mask = 0x0101 << (y & 7); fb_remote_data *address = &lcd_remote_framebuffer[y>>3][x]; *address ^= mask; } static void nopixel(int x, int y) { (void)x; (void)y; } lcd_remote_pixelfunc_type* const lcd_remote_pixelfuncs_bgcolor[8] = { flippixel, nopixel, setpixel, setpixel, nopixel, clearpixel, nopixel, clearpixel }; lcd_remote_pixelfunc_type* const lcd_remote_pixelfuncs_backdrop[8] = { flippixel, nopixel, setpixel, setpixel, nopixel, clearimgpixel, nopixel, clearimgpixel }; lcd_remote_pixelfunc_type* const *lcd_remote_pixelfuncs = lcd_remote_pixelfuncs_bgcolor; /* 'mask' and 'bits' contain 2 bits per pixel */ static void flipblock(fb_remote_data *address, unsigned mask, unsigned bits) ICODE_ATTR; static void flipblock(fb_remote_data *address, unsigned mask, unsigned bits) { *address ^= bits & mask; } static void bgblock(fb_remote_data *address, unsigned mask, unsigned bits) ICODE_ATTR; static void bgblock(fb_remote_data *address, unsigned mask, unsigned bits) { unsigned data = *address; *address = data ^ ((data ^ bg_pattern) & mask & ~bits); } static void bgimgblock(fb_remote_data *address, unsigned mask, unsigned bits) ICODE_ATTR; static void bgimgblock(fb_remote_data *address, unsigned mask, unsigned bits) { unsigned data = *address; *address = data ^ ((data ^ *(fb_remote_data *)((long)address + remote_backdrop_offset)) & mask & ~bits); } static void fgblock(fb_remote_data *address, unsigned mask, unsigned bits) ICODE_ATTR; static void fgblock(fb_remote_data *address, unsigned mask, unsigned bits) { unsigned data = *address; *address = data ^ ((data ^ fg_pattern) & mask & bits); } static void solidblock(fb_remote_data *address, unsigned mask, unsigned bits) ICODE_ATTR; static void solidblock(fb_remote_data *address, unsigned mask, unsigned bits) { unsigned data = *address; unsigned bgp = bg_pattern; bits = bgp ^ ((bgp ^ fg_pattern) & bits); *address = data ^ ((data ^ bits) & mask); } static void solidimgblock(fb_remote_data *address, unsigned mask, unsigned bits) ICODE_ATTR; static void solidimgblock(fb_remote_data *address, unsigned mask, unsigned bits) { unsigned data = *address; unsigned bgp = *(fb_remote_data *)((long)address + remote_backdrop_offset); bits = bgp ^ ((bgp ^ fg_pattern) & bits); *address = data ^ ((data ^ bits) & mask); } static void flipinvblock(fb_remote_data *address, unsigned mask, unsigned bits) ICODE_ATTR; static void flipinvblock(fb_remote_data *address, unsigned mask, unsigned bits) { *address ^= ~bits & mask; } static void bginvblock(fb_remote_data *address, unsigned mask, unsigned bits) ICODE_ATTR; static void bginvblock(fb_remote_data *address, unsigned mask, unsigned bits) { unsigned data = *address; *address = data ^ ((data ^ bg_pattern) & mask & bits); } static void bgimginvblock(fb_remote_data *address, unsigned mask, unsigned bits) ICODE_ATTR; static void bgimginvblock(fb_remote_data *address, unsigned mask, unsigned bits) { unsigned data = *address; *address = data ^ ((data ^ *(fb_remote_data *)((long)address + remote_backdrop_offset)) & mask & bits); } static void fginvblock(fb_remote_data *address, unsigned mask, unsigned bits) ICODE_ATTR; static void fginvblock(fb_remote_data *address, unsigned mask, unsigned bits) { unsigned data = *address; *address = data ^ ((data ^ fg_pattern) & mask & ~bits); } static void solidinvblock(fb_remote_data *address, unsigned mask, unsigned bits) ICODE_ATTR; static void solidinvblock(fb_remote_data *address, unsigned mask, unsigned bits) { unsigned data = *address; unsigned fgp = fg_pattern; bits = fgp ^ ((fgp ^ bg_pattern) & bits); *address = data ^ ((data ^ bits) & mask); } static void solidimginvblock(fb_remote_data *address, unsigned mask, unsigned bits) ICODE_ATTR; static void solidimginvblock(fb_remote_data *address, unsigned mask, unsigned bits) { unsigned data = *address; unsigned fgp = fg_pattern; bits = fgp ^ ((fgp ^ *(fb_remote_data *)((long)address + remote_backdrop_offset)) & bits); *address = data ^ ((data ^ bits) & mask); } lcd_remote_blockfunc_type* const lcd_remote_blockfuncs_bgcolor[8] = { flipblock, bgblock, fgblock, solidblock, flipinvblock, bginvblock, fginvblock, solidinvblock }; lcd_remote_blockfunc_type* const lcd_remote_blockfuncs_backdrop[8] = { flipblock, bgimgblock, fgblock, solidimgblock, flipinvblock, bgimginvblock, fginvblock, solidimginvblock }; lcd_remote_blockfunc_type* const *lcd_remote_blockfuncs = lcd_remote_blockfuncs_bgcolor; void lcd_remote_set_backdrop(fb_remote_data* backdrop) { remote_backdrop = backdrop; if (backdrop) { remote_backdrop_offset = (long)backdrop - (long)lcd_remote_framebuffer; lcd_remote_pixelfuncs = lcd_remote_pixelfuncs_backdrop; lcd_remote_blockfuncs = lcd_remote_blockfuncs_backdrop; } else { remote_backdrop_offset = 0; lcd_remote_pixelfuncs = lcd_remote_pixelfuncs_bgcolor; lcd_remote_blockfuncs = lcd_remote_blockfuncs_bgcolor; } } fb_remote_data* lcd_remote_get_backdrop(void) { return remote_backdrop; } static inline void setblock(fb_remote_data *address, unsigned mask, unsigned bits) { unsigned data = *address; bits ^= data; *address = data ^ (bits & mask); } /*** drawing functions ***/ /* Clear the whole display */ void lcd_remote_clear_display(void) { if (drawmode & DRMODE_INVERSEVID) { memset(lcd_remote_framebuffer, fg_pattern, sizeof lcd_remote_framebuffer); } else { if (remote_backdrop) memcpy(lcd_remote_framebuffer, remote_backdrop, sizeof lcd_remote_framebuffer); else memset(lcd_remote_framebuffer, bg_pattern, sizeof lcd_remote_framebuffer); } scrolling_lines = 0; } /* Set a single pixel */ void lcd_remote_drawpixel(int x, int y) { if (((unsigned)x < LCD_REMOTE_WIDTH) && ((unsigned)y < LCD_REMOTE_HEIGHT)) lcd_remote_pixelfuncs[drawmode](x, y); } /* Draw a line */ void lcd_remote_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_remote_pixelfunc_type *pfunc = lcd_remote_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_REMOTE_WIDTH) && ((unsigned)y < LCD_REMOTE_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_remote_hline(int x1, int x2, int y) { int x; fb_remote_data *dst, *dst_end; unsigned mask; lcd_remote_blockfunc_type *bfunc; /* direction flip */ if (x2 < x1) { x = x1; x1 = x2; x2 = x; } /* nothing to draw? */ if (((unsigned)y >= LCD_REMOTE_HEIGHT) || (x1 >= LCD_REMOTE_WIDTH) || (x2 < 0)) return; /* clipping */ if (x1 < 0) x1 = 0; if (x2 >= LCD_REMOTE_WIDTH) x2 = LCD_REMOTE_WIDTH-1; bfunc = lcd_remote_blockfuncs[drawmode]; dst = &lcd_remote_framebuffer[y>>3][x1]; mask = 0x0101 << (y & 7); dst_end = dst + x2 - x1; do bfunc(dst++, mask, 0xFFFFu); while (dst <= dst_end); } /* Draw a vertical line (optimised) */ void lcd_remote_vline(int x, int y1, int y2) { int ny; fb_remote_data *dst; unsigned mask, mask_bottom; lcd_remote_blockfunc_type *bfunc; /* direction flip */ if (y2 < y1) { ny = y1; y1 = y2; y2 = ny; } /* 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<= 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<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