/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * $Id$ * * Copyright (C) 2002 by Alan Korr * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY * KIND, either express or implied. * ****************************************************************************/ #ifndef __LCD_H__ #define __LCD_H__ #include #include #include "cpu.h" #include "config.h" #include "events.h" /* Frame buffer stride * * Stride describes the amount that you need to increment to get to the next * line. For screens that have the pixels in contiguous horizontal strips * stride should be equal to the image width. * * For example, if the screen pixels are layed out as follows: * * width0 width1 width2 widthX-1 * ------ ------ ------ ------------------ -------- * height0 | pixel0 pixel1 pixel2 ----------------> pixelX-1 * height1 | pixelX * * then you need to add X pixels to get to the next line. (the next line * in this case is height1). * * Similarly, if the screen has the pixels in contiguous vertical strips * the stride would be equal to the image height. * * For example if the screen pixels are layed out as follows: * * width0 width1 * ------ ------ * height0 | pixel0 pixelY * height1 | pixel1 * height2 | pixel2 * | | | * \|/ | \|/ * heightY-1 | pixelY-1 * * then you would need to add Y pixels to get to the next line (the next * line in this case is from width0 to width1). * * The remote might have a different stride than the main screen so the screen * number needs to be passed to the STRIDE macro so that the appropriate height * or width can be passed to the lcd_bitmap, or lcd_remote_bitmap calls. * * STRIDE_REMOTE and STRIDE_MAIN should never be used when it is not clear whether * lcd_remote_bitmap calls or lcd_bitmap calls are being made (for example the * screens api). * * Screen should always use the screen_type enum that is at the top of this * header. */ enum screen_type { SCREEN_MAIN #ifdef HAVE_REMOTE_LCD ,SCREEN_REMOTE #endif }; struct scrollinfo; #if defined(LCD_STRIDEFORMAT) && LCD_STRIDEFORMAT == VERTICAL_STRIDE #define STRIDE_MAIN(w, h) (h) #else #define STRIDE_MAIN(w, h) (w) #endif #define STRIDE_REMOTE(w, h) (w) #define STRIDE(screen, w, h) (screen==SCREEN_MAIN?STRIDE_MAIN((w), \ (h)):STRIDE_REMOTE((w),(h))) #if LCD_DEPTH <=8 #if (LCD_PIXELFORMAT == VERTICAL_INTERLEAVED) \ || (LCD_PIXELFORMAT == HORIZONTAL_INTERLEAVED) typedef unsigned short fb_data; #define FB_DATA_SZ 2 #else typedef unsigned char fb_data; #define FB_DATA_SZ 1 #endif #elif LCD_DEPTH <= 16 typedef unsigned short fb_data; #define FB_DATA_SZ 2 #elif LCD_DEPTH <= 24 struct _fb_pixel { unsigned char b, g, r; }; typedef struct _fb_pixel fb_data; #define FB_DATA_SZ 3 #else /* LCD_DEPTH > 24 */ #if (LCD_PIXELFORMAT == XRGB8888) struct _fb_pixel { unsigned char b, g, r, x; }; typedef struct _fb_pixel fb_data; #else typedef unsigned long fb_data; #endif #define FB_DATA_SZ 4 #endif /* LCD_DEPTH */ #ifdef HAVE_REMOTE_LCD #if LCD_REMOTE_DEPTH <= 8 #if (LCD_REMOTE_PIXELFORMAT == VERTICAL_INTERLEAVED) \ || (LCD_REMOTE_PIXELFORMAT == HORIZONTAL_INTERLEAVED) typedef unsigned short fb_remote_data; #define FB_RDATA_SZ 2 #else typedef unsigned char fb_remote_data; #define FB_RDATA_SZ 1 #endif #elif LCD_DEPTH <= 16 typedef unsigned short fb_remote_data; #define FB_RDATA_SZ 2 #else typedef unsigned long fb_remote_data; #define FB_RDATA_SZ 4 #endif #endif #if defined(HAVE_LCD_MODES) void lcd_set_mode(int mode); #define LCD_MODE_RGB565 0x00000001 #define LCD_MODE_YUV 0x00000002 #define LCD_MODE_PAL256 0x00000004 #if HAVE_LCD_MODES & LCD_MODE_PAL256 void lcd_blit_pal256(unsigned char *src, int src_x, int src_y, int x, int y, int width, int height); void lcd_pal256_update_pal(fb_data *palette); #endif #endif struct frame_buffer_t { union { void *data; char *ch_ptr; fb_data *fb_ptr; #ifdef HAVE_REMOTE_LCD fb_remote_data *fb_remote_ptr; #endif }; void *(*get_address_fn)(int x, int y); ptrdiff_t stride; size_t elems; }; #define VP_FLAG_ALIGN_RIGHT 0x01 #define VP_FLAG_ALIGN_CENTER 0x02 #define VP_FLAG_ALIGNMENT_MASK \ (VP_FLAG_ALIGN_RIGHT|VP_FLAG_ALIGN_CENTER) #define VP_IS_RTL(vp) (((vp)->flags & VP_FLAG_ALIGNMENT_MASK) == VP_FLAG_ALIGN_RIGHT) #define VP_FLAG_VP_DIRTY 0x4000 #define VP_FLAG_CLEAR_FLAG 0x8000 #define VP_FLAG_VP_SET_CLEAN (VP_FLAG_CLEAR_FLAG | VP_FLAG_VP_DIRTY) struct viewport { int x; int y; int width; int height; int flags; int font; int drawmode; struct frame_buffer_t *buffer; /* needed for even for mono displays to support greylib */ unsigned fg_pattern; unsigned bg_pattern; }; /* common functions */ extern void lcd_write_command(int byte); extern void lcd_write_command_e(int cmd, int data); extern void lcd_write_command_ex(int cmd, int data1, int data2); extern void lcd_write_data(const fb_data* p_bytes, int count); extern void lcd_init(void) INIT_ATTR; extern void lcd_init_device(void) INIT_ATTR; extern void lcd_backlight(bool on); extern int lcd_default_contrast(void); extern void lcd_set_contrast(int val); extern int lcd_getwidth(void); extern int lcd_getheight(void); extern int lcd_getstringsize(const unsigned char *str, int *w, int *h); extern struct viewport* lcd_init_viewport(struct viewport* vp); extern struct viewport* lcd_set_viewport(struct viewport* vp); extern struct viewport* lcd_set_viewport_ex(struct viewport* vp, int flags); extern void lcd_update(void); extern void lcd_update_viewport(void); extern void lcd_update_viewport_rect(int x, int y, int width, int height); extern void lcd_clear_viewport(void); extern void lcd_clear_display(void); extern void lcd_putsxy(int x, int y, const unsigned char *string); extern void lcd_putsxyf(int x, int y, const unsigned char *fmt, ...); extern void lcd_putsxy_style_offset(int x, int y, const unsigned char *str, int style, int offset); extern void lcd_puts(int x, int y, const unsigned char *string); extern void lcd_putsf(int x, int y, const unsigned char *fmt, ...); extern void lcd_putc(int x, int y, unsigned long ucs); extern bool lcd_puts_scroll(int x, int y, const unsigned char* string); extern bool lcd_putsxy_scroll_func(int x, int y, const unsigned char *string, void (*scroll_func)(struct scrollinfo *), void *data, int x_offset); /* performance function */ #if defined(HAVE_LCD_COLOR) #if MEMORYSIZE > 2 #define LCD_YUV_DITHER 0x1 extern void lcd_yuv_set_options(unsigned options); extern void lcd_blit_yuv(unsigned char * const src[3], int src_x, int src_y, int stride, int x, int y, int width, int height); #endif /* MEMORYSIZE > 2 */ #else extern void lcd_blit_mono(const unsigned char *data, int x, int by, int width, int bheight, int stride); extern void lcd_blit_grey_phase(unsigned char *values, unsigned char *phases, int bx, int by, int bwidth, int bheight, int stride); #endif /* update a fraction of the screen */ extern void lcd_update_rect(int x, int y, int width, int height); #ifdef HAVE_REMOTE_LCD extern void lcd_remote_update(void); /* update a fraction of the screen */ extern void lcd_remote_update_rect(int x, int y, int width, int height); #endif /* HAVE_REMOTE_LCD */ /* Bitmap formats */ enum { FORMAT_MONO, FORMAT_NATIVE, FORMAT_ANY /* For passing to read_bmp_file() */ }; /* Draw modes */ #define DRMODE_COMPLEMENT 0 #define DRMODE_BG 1 #define DRMODE_FG 2 #define DRMODE_SOLID 3 #define DRMODE_INVERSEVID 4 /* used as bit modifier for basic modes */ /* Internal drawmode modifiers. DO NOT use with set_drawmode() */ #define DRMODE_INT_BD 8 #define DRMODE_INT_IMG 16 /* Low-level drawing function types */ typedef void lcd_pixelfunc_type(int x, int y); typedef void lcd_blockfunc_type(fb_data *address, unsigned mask, unsigned bits); #if LCD_DEPTH >= 8 typedef void lcd_fastpixelfunc_type(fb_data *address); #endif #if defined(HAVE_LCD_COLOR) && defined(LCD_REMOTE_DEPTH) && \ LCD_REMOTE_DEPTH > 1 /* Just return color for screens use */ static inline unsigned lcd_color_to_native(unsigned color) { return color; } #define SCREEN_COLOR_TO_NATIVE(screen, color) (screen)->color_to_native(color) #else #define SCREEN_COLOR_TO_NATIVE(screen, color) (color) #endif #ifdef HAVE_LCD_COLOR #if LCD_PIXELFORMAT == RGB565 || LCD_PIXELFORMAT == RGB565SWAPPED #define LCD_MAX_RED 31 #define LCD_MAX_GREEN 63 #define LCD_MAX_BLUE 31 #define LCD_RED_BITS 5 #define LCD_GREEN_BITS 6 #define LCD_BLUE_BITS 5 /* pack/unpack native RGB values */ #define _RGBPACK_LCD(r, g, b) ( ((r) << 11) | ((g) << 5) | (b) ) #define _RGB_UNPACK_RED_LCD(x) ( (((x) >> 11) ) ) #define _RGB_UNPACK_GREEN_LCD(x) ( (((x) >> 5) & 0x3f) ) #define _RGB_UNPACK_BLUE_LCD(x) ( (((x) ) & 0x1f) ) /* pack/unpack 24-bit RGB values */ #define _RGBPACK(r, g, b) _RGBPACK_LCD((r) >> 3, (g) >> 2, (b) >> 3) #define _RGB_UNPACK_RED(x) ( (((x) >> 8) & 0xf8) | (((x) >> 13) & 0x07) ) #define _RGB_UNPACK_GREEN(x) ( (((x) >> 3) & 0xfc) | (((x) >> 9) & 0x03) ) #define _RGB_UNPACK_BLUE(x) ( (((x) << 3) & 0xf8) | (((x) >> 2) & 0x07) ) #if (LCD_PIXELFORMAT == RGB565SWAPPED) /* RGB3553 */ #define _LCD_UNSWAP_COLOR(x) swap16(x) #define LCD_RGBPACK_LCD(r, g, b) ( (((r) << 3) ) | \ (((g) >> 3) ) | \ (((g) & 0x07) << 13) | \ (((b) << 8) ) ) #define LCD_RGBPACK(r, g, b) ( (((r) >> 3) << 3) | \ (((g) >> 5) ) | \ (((g) & 0x1c) << 11) | \ (((b) >> 3) << 8) ) /* swap color once - not currenly used in static inits */ #define _SWAPUNPACK(x, _unp_) \ ({ typeof (x) _x_ = swap16(x); _unp_(_x_); }) #define RGB_UNPACK_RED(x) _SWAPUNPACK((x), _RGB_UNPACK_RED) #define RGB_UNPACK_GREEN(x) _SWAPUNPACK((x), _RGB_UNPACK_GREEN) #define RGB_UNPACK_BLUE(x) _SWAPUNPACK((x), _RGB_UNPACK_BLUE) #define RGB_UNPACK_RED_LCD(x) _SWAPUNPACK((x), _RGB_UNPACK_RED_LCD) #define RGB_UNPACK_GREEN_LCD(x) _SWAPUNPACK((x), _RGB_UNPACK_GREEN_LCD) #define RGB_UNPACK_BLUE_LCD(x) _SWAPUNPACK((x), _RGB_UNPACK_BLUE_LCD) #else /* LCD_PIXELFORMAT == RGB565 */ /* RGB565 */ #define _LCD_UNSWAP_COLOR(x) (x) #define LCD_RGBPACK(r, g, b) _RGBPACK((r), (g), (b)) #define LCD_RGBPACK_LCD(r, g, b) _RGBPACK_LCD((r), (g), (b)) #define RGB_UNPACK_RED(x) _RGB_UNPACK_RED(x) #define RGB_UNPACK_GREEN(x) _RGB_UNPACK_GREEN(x) #define RGB_UNPACK_BLUE(x) _RGB_UNPACK_BLUE(x) #define RGB_UNPACK_RED_LCD(x) _RGB_UNPACK_RED_LCD(x) #define RGB_UNPACK_GREEN_LCD(x) _RGB_UNPACK_GREEN_LCD(x) #define RGB_UNPACK_BLUE_LCD(x) _RGB_UNPACK_BLUE_LCD(x) #endif /* RGB565* */ #elif (LCD_PIXELFORMAT == RGB888) || (LCD_PIXELFORMAT == XRGB8888) #define LCD_MAX_RED 255 #define LCD_MAX_GREEN 255 #define LCD_MAX_BLUE 255 #define LCD_RED_BITS 8 #define LCD_GREEN_BITS 8 #define LCD_BLUE_BITS 8 /* pack/unpack native RGB values */ #define _RGBPACK(r, g, b) ( r << 16 | g << 8 | b ) #define _RGB_UNPACK_RED(x) ((x >> 16) & 0xff) #define _RGB_UNPACK_GREEN(x) ((x >> 8) & 0xff) #define _RGB_UNPACK_BLUE(x) ((x >> 0) & 0xff) #define _LCD_UNSWAP_COLOR(x) (x) #define LCD_RGBPACK(r, g, b) _RGBPACK((r), (g), (b)) #define LCD_RGBPACK_LCD(r, g, b) _RGBPACK((r), (g), (b)) #define RGB_UNPACK_RED(x) _RGB_UNPACK_RED(x) #define RGB_UNPACK_GREEN(x) _RGB_UNPACK_GREEN(x) #define RGB_UNPACK_BLUE(x) _RGB_UNPACK_BLUE(x) #define RGB_UNPACK_RED_LCD(x) _RGB_UNPACK_RED(x) #define RGB_UNPACK_GREEN_LCD(x) _RGB_UNPACK_GREEN(x) #define RGB_UNPACK_BLUE_LCD(x) _RGB_UNPACK_BLUE(x) #else /* other colour depths */ #endif #define LCD_BLACK LCD_RGBPACK(0, 0, 0) #define LCD_DARKGRAY LCD_RGBPACK(85, 85, 85) #define LCD_LIGHTGRAY LCD_RGBPACK(170, 170, 170) #define LCD_WHITE LCD_RGBPACK(255, 255, 255) #define LCD_DEFAULT_FG LCD_WHITE #define LCD_DEFAULT_BG LCD_BLACK #define LCD_DEFAULT_LS LCD_WHITE #elif LCD_DEPTH > 1 /* greyscale */ #define LCD_MAX_LEVEL ((1 << LCD_DEPTH) - 1) #define LCD_BRIGHTNESS(y) (((y) * LCD_MAX_LEVEL + 127) / 255) #define LCD_BLACK LCD_BRIGHTNESS(0) #define LCD_DARKGRAY LCD_BRIGHTNESS(85) #define LCD_LIGHTGRAY LCD_BRIGHTNESS(170) #define LCD_WHITE LCD_BRIGHTNESS(255) #define LCD_DEFAULT_FG LCD_BLACK #define LCD_DEFAULT_BG LCD_WHITE #endif /* HAVE_LCD_COLOR */ /* Framebuffer conversion macros: Convert from and to the native display data * format (fb_data). * * FB_RGBPACK: Convert the three r,g,b values to fb_data. r,g,b are * assumed to in 8-bit format. * FB_RGBPACK_LCD Like FB_RGBPACK, except r,g,b shall be in display-native * bit format (e.g. 5-bit r for RGB565) * FB_UNPACK_RED Extract the red component of fb_data into 8-bit red value. * FB_UNPACK_GREEN Like FB_UNPACK_RED, just for the green component. * FB_UNPACK_BLIE Like FB_UNPACK_RED, just for the green component. * FB_SCALARPACK Similar to FB_RGBPACK, except that the channels are already * combined into a single scalar value. Again, 8-bit per channel. * FB_SCALARPACK_LCD Like FB_SCALARPACK, except the channels shall be in * display-native format (i.e. the scalar is 16bits on RGB565) * FB_UNPACK_SCALAR_LCD Converts an fb_data to a scalar value in display-native * format, so it's the reverse of FB_SCALARPACK_LCD */ #if LCD_DEPTH >= 24 static inline fb_data scalar_to_fb(unsigned p) { union { fb_data st; unsigned sc; } convert; convert.sc = p; return convert.st; } static inline unsigned fb_to_scalar(fb_data p) { union { fb_data st; unsigned sc; } convert; convert.st = p; return convert.sc; } #define FB_RGBPACK(r_, g_, b_) ((fb_data){.r = r_, .g = g_, .b = b_}) #define FB_RGBPACK_LCD(r_, g_, b_) FB_RGBPACK(r_, g_, b_) #define FB_UNPACK_RED(fb) ((fb).r) #define FB_UNPACK_GREEN(fb) ((fb).g) #define FB_UNPACK_BLUE(fb) ((fb).b) #define FB_SCALARPACK(c) scalar_to_fb(c) #define FB_SCALARPACK_LCD(c) scalar_to_fb(c) #define FB_UNPACK_SCALAR_LCD(fb) fb_to_scalar(fb) #elif defined(HAVE_LCD_COLOR) #define FB_RGBPACK(r_, g_, b_) LCD_RGBPACK(r_, g_, b_) #define FB_RGBPACK_LCD(r_, g_, b_) LCD_RGBPACK_LCD(r_, g_, b_) #define FB_UNPACK_RED(fb) RGB_UNPACK_RED(fb) #define FB_UNPACK_GREEN(fb) RGB_UNPACK_GREEN(fb) #define FB_UNPACK_BLUE(fb) RGB_UNPACK_BLUE(fb) #define FB_SCALARPACK(c) LCD_RGBPACK(RGB_UNPACK_RED(c), RGB_UNPACK_GREEN(c), RGB_UNPACK_BLUE(c)) #define FB_SCALARPACK_LCD(c) (c) #define FB_UNPACK_SCALAR_LCD(fb) (fb) #else #define FB_SCALARPACK(c) (c) #define FB_SCALARPACK_LCD(c) (c) #define FB_UNPACK_SCALAR_LCD(fb) (fb) #endif /* Frame buffer dimensions */ #if LCD_DEPTH == 1 #if LCD_PIXELFORMAT == HORIZONTAL_PACKING #define LCD_FBSTRIDE(w, h) ((w+7)/8) #define LCD_FBWIDTH LCD_FBSTRIDE(LCD_WIDTH, LCD_HEIGHT) #define LCD_NBELEMS(w, h) ((((h-1)*LCD_FBSTRIDE(w, h)) + w) / sizeof(fb_data)) #else /* LCD_PIXELFORMAT == VERTICAL_PACKING */ #define LCD_FBSTRIDE(w, h) ((h+7)/8) #define LCD_FBHEIGHT LCD_FBSTRIDE(LCD_WIDTH, LCD_HEIGHT) #define LCD_NBELEMS(w, h) ((((w-1)*LCD_FBSTRIDE(w, h)) + h) / sizeof(fb_data)) #endif /* LCD_PIXELFORMAT */ #elif LCD_DEPTH == 2 #if LCD_PIXELFORMAT == HORIZONTAL_PACKING #define LCD_FBSTRIDE(w, h) ((w+3)>>2) #define LCD_NATIVE_STRIDE(s) LCD_FBSTRIDE(s, s) #define LCD_FBWIDTH LCD_FBSTRIDE(LCD_WIDTH, LCD_HEIGHT) #define LCD_NBELEMS(w, h) ((((h-1)*LCD_FBSTRIDE(w, h)) + w) / sizeof(fb_data)) #elif LCD_PIXELFORMAT == VERTICAL_PACKING #define LCD_FBSTRIDE(w, h) ((h+3)/4) #define LCD_FBHEIGHT LCD_FBSTRIDE(LCD_WIDTH, LCD_HEIGHT) #define LCD_NBELEMS(w, h) ((((w-1)*LCD_FBSTRIDE(w, h)) + h) / sizeof(fb_data)) #elif LCD_PIXELFORMAT == VERTICAL_INTERLEAVED #define LCD_FBSTRIDE(w, h) ((h+7)/8) #define LCD_FBHEIGHT LCD_FBSTRIDE(LCD_WIDTH, LCD_HEIGHT) #define LCD_NBELEMS(w, h) ((((w-1)*LCD_FBSTRIDE(w, h)) + h) / sizeof(fb_data)) #endif /* LCD_PIXELFORMAT */ #endif /* LCD_DEPTH */ /* Set defaults if not defined different yet. The defaults apply to both * dimensions for LCD_DEPTH >= 8 */ #ifndef LCD_FBWIDTH #define LCD_FBWIDTH LCD_WIDTH #endif #ifndef LCD_FBHEIGHT #define LCD_FBHEIGHT LCD_HEIGHT #endif #ifndef LCD_NATIVE_STRIDE /* 2-bit Horz is the only display that actually defines this */ #define LCD_NATIVE_STRIDE(s) (s) #endif #ifndef LCD_NBELEMS #if defined(LCD_STRIDEFORMAT) && LCD_STRIDEFORMAT == VERTICAL_STRIDE #define LCD_NBELEMS(w, h) (((w-1)*STRIDE_MAIN(w, h)) + h) #else #define LCD_NBELEMS(w, h) (((h-1)*STRIDE_MAIN(w, h)) + w) #endif #define LCD_FBSTRIDE(w, h) STRIDE_MAIN(w, h) #endif #ifndef LCD_STRIDE #define LCD_STRIDE(w, h) STRIDE_MAIN(w, h) #endif extern struct viewport* lcd_current_viewport; #define FBADDR(x,y) ((fb_data*) lcd_current_viewport->buffer->get_address_fn(x, y)) #define FRAMEBUFFER_SIZE (sizeof(fb_data)*LCD_FBWIDTH*LCD_FBHEIGHT) /** Port-specific functions. Enable in port config file. **/ #ifdef HAVE_REMOTE_LCD_AS_MAIN void lcd_on(void); void lcd_off(void); void lcd_poweroff(void); #endif #ifdef HAVE_LCD_ENABLE /* Enable/disable the main display. */ extern void lcd_enable(bool on); #endif /* HAVE_LCD_ENABLE */ #ifdef HAVE_LCD_SLEEP /* Put the LCD into a power saving state deeper than lcd_enable(false). */ extern void lcd_sleep(void); #endif /* HAVE_LCD_SLEEP */ #if defined(HAVE_LCD_ENABLE) || defined(HAVE_LCD_SLEEP) /* Register a hook that is called when the lcd is powered and after the * framebuffer data is synchronized */ /* Sansa Clip has these function in it's lcd driver, since it's the only * 1-bit display featuring lcd_active, so far */ enum { LCD_EVENT_ACTIVATION = (EVENT_CLASS_LCD|1), }; extern bool lcd_active(void); #endif #ifdef HAVE_LCD_SHUTDOWN extern void lcd_shutdown(void); #endif #define FORMAT_TRANSPARENT 0x40000000 #define FORMAT_DITHER 0x20000000 #define FORMAT_REMOTE 0x10000000 #define FORMAT_RESIZE 0x08000000 #define FORMAT_KEEP_ASPECT 0x04000000 #define FORMAT_RETURN_SIZE 0x02000000 #define TRANSPARENT_COLOR LCD_RGBPACK(255,0,255) #define REPLACEWITHFG_COLOR LCD_RGBPACK(0,255,255) struct bitmap { int width; int height; #if (LCD_DEPTH > 1) || defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1) int format; unsigned char *maskdata; #endif #ifdef HAVE_LCD_COLOR int alpha_offset; /* byte-offset of alpha channel in data */ #endif unsigned char *data; }; extern void lcd_set_invert_display(bool yesno); #ifdef HAVE_BACKLIGHT_INVERSION extern void lcd_set_backlight_inversion(bool yesno); #endif /* HAVE_BACKLIGHT_INVERSION */ extern void lcd_set_flip(bool yesno); extern void lcd_set_drawmode(int mode); extern int lcd_get_drawmode(void); extern void lcd_setfont(int font); extern int lcd_getfont(void); /* low level drawing function pointer arrays */ #if LCD_DEPTH >= 8 extern lcd_fastpixelfunc_type* const *lcd_fastpixelfuncs; #elif LCD_DEPTH > 1 extern lcd_pixelfunc_type* const *lcd_pixelfuncs; extern lcd_blockfunc_type* const *lcd_blockfuncs; #else /* LCD_DEPTH == 1*/ extern lcd_pixelfunc_type* const lcd_pixelfuncs[8]; extern lcd_blockfunc_type* const lcd_blockfuncs[8]; #endif /* LCD_DEPTH */ extern void lcd_drawpixel(int x, int y); extern void lcd_drawline(int x1, int y1, int x2, int y2); extern void lcd_hline(int x1, int x2, int y); extern void lcd_vline(int x, int y1, int y2); extern void lcd_drawrect(int x, int y, int width, int height); extern void lcd_fillrect(int x, int y, int width, int height); extern void lcd_gradient_fillrect(int x, int y, int width, int height, unsigned start_rgb, unsigned end_rgb); extern void lcd_gradient_fillrect_part(int x, int y, int width, int height, unsigned start_rgb, unsigned end_rgb, int src_height, int row_skip); extern void lcd_draw_border_viewport(void); extern void lcd_fill_viewport(void); extern void lcd_bitmap_part(const fb_data *src, int src_x, int src_y, int stride, int x, int y, int width, int height); extern void lcd_bitmap(const fb_data *src, int x, int y, int width, int height); extern void lcd_scroll_step(int pixels); #if LCD_DEPTH > 1 extern void lcd_set_foreground(unsigned foreground); extern unsigned lcd_get_foreground(void); extern void lcd_set_background(unsigned background); extern unsigned lcd_get_background(void); #ifdef HAVE_LCD_COLOR extern void lcd_set_selector_start(unsigned selector); extern void lcd_set_selector_end(unsigned selector); extern void lcd_set_selector_text(unsigned selector_text); #endif extern void lcd_set_drawinfo(int mode, unsigned foreground, unsigned background); void lcd_set_backdrop(fb_data* backdrop); fb_data* lcd_get_backdrop(void); extern void lcd_mono_bitmap_part(const unsigned char *src, int src_x, int src_y, int stride, int x, int y, int width, int height); extern void lcd_mono_bitmap(const unsigned char *src, int x, int y, int width, int height); extern void lcd_bitmap_transparent_part(const fb_data *src, int src_x, int src_y, int stride, int x, int y, int width, int height); extern void lcd_bitmap_transparent(const fb_data *src, int x, int y, int width, int height); #else /* LCD_DEPTH == 1 */ #define lcd_mono_bitmap lcd_bitmap #define lcd_mono_bitmap_part lcd_bitmap_part #endif /* LCD_DEPTH */ extern void lcd_bmp_part(const struct bitmap* bm, int src_x, int src_y, int x, int y, int width, int height); extern void lcd_bmp(const struct bitmap* bm, int x, int y); extern void lcd_nine_segment_bmp(const struct bitmap* bm, int x, int y, int width, int height); /* TODO: Impement this for remote displays if ever needed */ #if defined(LCD_DPI) && (LCD_DPI > 0) /* returns the pixel density of the display */ static inline int lcd_get_dpi(void) { return LCD_DPI; } #else extern int lcd_get_dpi(void); #endif /* LCD_DPI */ #endif /* __LCD_H__ */