diff --git a/libraries/u8glib/u8g_pb8h1.c b/libraries/u8glib/u8g_pb8h1.c deleted file mode 100644 --- a/libraries/u8glib/u8g_pb8h1.c +++ /dev/null @@ -1,389 +0,0 @@ -/* - - u8g_pb8h1.c - - 8bit height monochrom (1 bit) page buffer - byte has horizontal orientation - - Universal 8bit Graphics Library - - Copyright (c) 2011, olikraus@gmail.com - All rights reserved. - - Redistribution and use in source and binary forms, with or without modification, - are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright notice, this list - of conditions and the following disclaimer. - - * Redistributions in binary form must reproduce the above copyright notice, this - list of conditions and the following disclaimer in the documentation and/or other - materials provided with the distribution. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND - CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, - INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR - CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF - ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - - total buffer size is limited to 256 bytes because of the calculation inside the set pixel procedure - - 23. Sep 2012: Bug with down procedure, see FPS 1st page --> fixed (bug located in u8g_clip.c) - -*/ - -#include "u8g.h" -#include - -#ifdef __unix__ -#include -#endif - -/* NEW_CODE disabled, because the performance increase was too slow and not worth compared */ -/* to the increase of code size */ -/* #define NEW_CODE */ - -#ifdef __unix__ -void *u8g_buf_lower_limit; -void *u8g_buf_upper_limit; -#endif - -void u8g_pb8h1_Init(u8g_pb_t *b, void *buf, u8g_uint_t width) U8G_NOINLINE; -void u8g_pb8h1_set_pixel(u8g_pb_t *b, u8g_uint_t x, u8g_uint_t y, uint8_t color_index) U8G_NOINLINE; -void u8g_pb8h1_SetPixel(u8g_pb_t *b, const u8g_dev_arg_pixel_t * const arg_pixel) U8G_NOINLINE ; -void u8g_pb8h1_Set8PixelStd(u8g_pb_t *b, u8g_dev_arg_pixel_t *arg_pixel) U8G_NOINLINE; -uint8_t u8g_dev_pb8h1_base_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg); - - -#ifdef NEW_CODE -struct u8g_pb_h1_struct -{ - u8g_uint_t x; - u8g_uint_t y; - uint8_t *ptr; - uint8_t mask; - uint8_t line_byte_len; - uint8_t cnt; -}; - -static uint8_t u8g_pb8h1_bitmask[8] = { 0x080, 0x040, 0x020, 0x010, 0x008, 0x004, 0x002, 0x001 }; - -static void u8g_pb8h1_state_right(struct u8g_pb_h1_struct *s) U8G_NOINLINE; -static void u8g_pb8h1_state_right(struct u8g_pb_h1_struct *s) -{ - register u8g_uint_t x; - x = s->x; - x++; - s->x = x; - x &= 7; - s->mask = u8g_pb8h1_bitmask[x]; - if ( x == 0 ) - s->ptr++; -} - -static void u8g_pb8h1_state_left(struct u8g_pb_h1_struct *s) -{ - register u8g_uint_t x; - x = s->x; - x--; - s->x = x; - x &= 7; - s->mask = u8g_pb8h1_bitmask[x]; - if ( x == 7 ) - s->ptr--; -} - -static void u8g_pb8h1_state_down(struct u8g_pb_h1_struct *s) -{ - s->y++; - s->ptr += s->line_byte_len; -} - -static void u8g_pb8h1_state_up(struct u8g_pb_h1_struct *s) -{ - s->y--; - s->ptr -= s->line_byte_len; -} - -static void u8g_pb8h1_state_init(struct u8g_pb_h1_struct *s, u8g_pb_t *b, u8g_uint_t x, u8g_uint_t y) U8G_NOINLINE; -static void u8g_pb8h1_state_init(struct u8g_pb_h1_struct *s, u8g_pb_t *b, u8g_uint_t x, u8g_uint_t y) -{ - u8g_uint_t tmp; - - uint8_t *ptr = b->buf; - - s->x = x; - s->y = y; - - y -= b->p.page_y0; - - tmp = b->width; - tmp >>= 3; - s->line_byte_len = tmp; - - /* assume negative y values, can be down to -7, subtract this from the pointer and add correction of 8 to y */ - ptr -= tmp*8; - y+=8; - /* it is important that the result of tmp*y can be 16 bit value also for 8 bit mode */ - ptr += tmp*y; - - s->mask = u8g_pb8h1_bitmask[x & 7]; - - /* assume negative x values (to -7), subtract 8 pixel from the pointer and add 8 to x */ - ptr--; - x += 8; - x >>= 3; - ptr += x; - s->ptr = ptr; -} - -static void u8g_pb8h1_state_set_pixel(struct u8g_pb_h1_struct *s, uint8_t color_index) U8G_NOINLINE; -static void u8g_pb8h1_state_set_pixel(struct u8g_pb_h1_struct *s, uint8_t color_index) -{ - -#ifdef __unix__ - assert( s->ptr >= u8g_buf_lower_limit ); - assert( s->ptr < u8g_buf_upper_limit ); -#endif - - if ( color_index ) - { - *s->ptr |= s->mask; - } - else - { - uint8_t mask = s->mask; - mask ^=0xff; - *s->ptr &= mask; - } -} -#endif - - -void u8g_pb8h1_Init(u8g_pb_t *b, void *buf, u8g_uint_t width) -{ - b->buf = buf; - b->width = width; - u8g_pb_Clear(b); -} - -/* limitation: total buffer must not exceed 256 bytes */ -void u8g_pb8h1_set_pixel(u8g_pb_t *b, u8g_uint_t x, u8g_uint_t y, uint8_t color_index) -{ -#ifdef NEW_CODE - struct u8g_pb_h1_struct s; - u8g_pb8h1_state_init(&s, b, x, y); - u8g_pb8h1_state_set_pixel(&s, color_index); - -// u8g_pb8h1_state_up(&s); -// if ( s.y > b->p.page_y1 ) -// return; -// if ( s.x > b->width ) -// return; -// u8g_pb8h1_state_set_pixel(&s, color_index); -#else - register uint8_t mask; - u8g_uint_t tmp; - uint8_t *ptr = b->buf; - - y -= b->p.page_y0; - tmp = b->width; - tmp >>= 3; - tmp *= (uint8_t)y; - ptr += tmp; - - mask = 0x080; - mask >>= x & 7; - x >>= 3; - ptr += x; - if ( color_index ) - { - *ptr |= mask; - } - else - { - mask ^=0xff; - *ptr &= mask; - } -#endif -} - - -void u8g_pb8h1_SetPixel(u8g_pb_t *b, const u8g_dev_arg_pixel_t * const arg_pixel) -{ - if ( arg_pixel->y < b->p.page_y0 ) - return; - if ( arg_pixel->y > b->p.page_y1 ) - return; - if ( arg_pixel->x >= b->width ) - return; - u8g_pb8h1_set_pixel(b, arg_pixel->x, arg_pixel->y, arg_pixel->color); -} - -void u8g_pb8h1_Set8PixelStd(u8g_pb_t *b, u8g_dev_arg_pixel_t *arg_pixel) -{ - register uint8_t pixel = arg_pixel->pixel; - do - { - if ( pixel & 128 ) - { - u8g_pb8h1_SetPixel(b, arg_pixel); - } - switch( arg_pixel->dir ) - { - case 0: arg_pixel->x++; break; - case 1: arg_pixel->y++; break; - case 2: arg_pixel->x--; break; - case 3: arg_pixel->y--; break; - } - pixel <<= 1; - } while( pixel != 0 ); -} - -void u8g_pb8h1_Set8PixelOpt2(u8g_pb_t *b, u8g_dev_arg_pixel_t *arg_pixel) -{ - register uint8_t pixel = arg_pixel->pixel; - u8g_uint_t dx = 0; - u8g_uint_t dy = 0; - - switch( arg_pixel->dir ) - { - case 0: dx++; break; - case 1: dy++; break; - case 2: dx--; break; - case 3: dy--; break; - } - - do - { - if ( pixel & 128 ) - u8g_pb8h1_SetPixel(b, arg_pixel); - arg_pixel->x += dx; - arg_pixel->y += dy; - pixel <<= 1; - } while( pixel != 0 ); -} - -#ifdef NEW_CODE -static void u8g_pb8h1_Set8PixelState(u8g_pb_t *b, u8g_dev_arg_pixel_t *arg_pixel) -{ - register uint8_t pixel = arg_pixel->pixel; - struct u8g_pb_h1_struct s; - uint8_t cnt; - u8g_pb8h1_state_init(&s, b, arg_pixel->x, arg_pixel->y); - cnt = 8; - switch( arg_pixel->dir ) - { - case 0: - do - { - if ( s.x < b->width ) - if ( pixel & 128 ) - u8g_pb8h1_state_set_pixel(&s, arg_pixel->color); - u8g_pb8h1_state_right(&s); - pixel <<= 1; - cnt--; - } while( cnt > 0 && pixel != 0 ); - break; - case 1: - do - { - if ( s.y >= b->p.page_y0 ) - if ( s.y <= b->p.page_y1 ) - if ( pixel & 128 ) - u8g_pb8h1_state_set_pixel(&s, arg_pixel->color); - u8g_pb8h1_state_down(&s); - pixel <<= 1; - cnt--; - } while( cnt > 0 && pixel != 0 ); - break; - case 2: - do - { - if ( s.x < b->width ) - if ( pixel & 128 ) - u8g_pb8h1_state_set_pixel(&s, arg_pixel->color); - u8g_pb8h1_state_left(&s); - pixel <<= 1; - cnt--; - } while( cnt > 0 && pixel != 0 ); - break; - case 3: - do - { - if ( s.y >= b->p.page_y0 ) - if ( s.y <= b->p.page_y1 ) - if ( pixel & 128 ) - u8g_pb8h1_state_set_pixel(&s, arg_pixel->color); - u8g_pb8h1_state_up(&s); - pixel <<= 1; - cnt--; - } while( cnt > 0 && pixel != 0 ); - break; - } -} -#endif - -uint8_t u8g_dev_pb8h1_base_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg) -{ - u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem); - switch(msg) - { - case U8G_DEV_MSG_SET_8PIXEL: -#ifdef NEW_CODE - if ( u8g_pb_Is8PixelVisible(pb, (u8g_dev_arg_pixel_t *)arg) ) - u8g_pb8h1_Set8PixelState(pb, (u8g_dev_arg_pixel_t *)arg); -#else - if ( u8g_pb_Is8PixelVisible(pb, (u8g_dev_arg_pixel_t *)arg) ) - u8g_pb8h1_Set8PixelOpt2(pb, (u8g_dev_arg_pixel_t *)arg); -#endif - break; - case U8G_DEV_MSG_SET_PIXEL: - u8g_pb8h1_SetPixel(pb, (u8g_dev_arg_pixel_t *)arg); - break; - case U8G_DEV_MSG_INIT: - break; - case U8G_DEV_MSG_STOP: - break; - case U8G_DEV_MSG_PAGE_FIRST: - u8g_pb_Clear(pb); - u8g_page_First(&(pb->p)); - break; - case U8G_DEV_MSG_PAGE_NEXT: - if ( u8g_page_Next(&(pb->p)) == 0 ) - return 0; - u8g_pb_Clear(pb); - break; -#ifdef U8G_DEV_MSG_IS_BBX_INTERSECTION - case U8G_DEV_MSG_IS_BBX_INTERSECTION: - return u8g_pb_IsIntersection(pb, (u8g_dev_arg_bbx_t *)arg); -#endif - case U8G_DEV_MSG_GET_PAGE_BOX: - u8g_pb_GetPageBox(pb, (u8g_box_t *)arg); - break; - case U8G_DEV_MSG_GET_WIDTH: - *((u8g_uint_t *)arg) = pb->width; - break; - case U8G_DEV_MSG_GET_HEIGHT: - *((u8g_uint_t *)arg) = pb->p.total_height; - break; - case U8G_DEV_MSG_SET_COLOR_ENTRY: - break; - case U8G_DEV_MSG_SET_XY_CB: - break; - case U8G_DEV_MSG_GET_MODE: - return U8G_MODE_BW; - } - return 1; -} - -