You can not select more than 25 topics
			Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
		
		
		
		
		
			
		
			
				
					399 lines
				
				12 KiB
			
		
		
			
		
	
	
					399 lines
				
				12 KiB
			|   
											13 years ago
										 | /*
 | ||
|  | 
 | ||
|  |   u8g_rot.c | ||
|  | 
 | ||
|  |   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.   | ||
|  |    | ||
|  |    | ||
|  | */ | ||
|  | 
 | ||
|  | #include "u8g.h"
 | ||
|  | 
 | ||
|  | uint8_t u8g_dev_rot90_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg); | ||
|  | uint8_t u8g_dev_rot180_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg); | ||
|  | uint8_t u8g_dev_rot270_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg); | ||
|  | 
 | ||
|  | u8g_dev_t u8g_dev_rot = { u8g_dev_rot90_fn, NULL, NULL }; | ||
|  | 
 | ||
|  | 
 | ||
|  | void u8g_UndoRotation(u8g_t *u8g) | ||
|  | { | ||
|  |   if ( u8g->dev != &u8g_dev_rot ) | ||
|  |     return; | ||
|  |   u8g->dev = u8g_dev_rot.dev_mem; | ||
|  |   u8g_UpdateDimension(u8g); | ||
|  | } | ||
|  | 
 | ||
|  | void u8g_SetRot90(u8g_t *u8g) | ||
|  | { | ||
|  |   if ( u8g->dev != &u8g_dev_rot ) | ||
|  |   { | ||
|  |     u8g_dev_rot.dev_mem = u8g->dev; | ||
|  |     u8g->dev = &u8g_dev_rot; | ||
|  |   } | ||
|  |   u8g_dev_rot.dev_fn = u8g_dev_rot90_fn; | ||
|  |   u8g_UpdateDimension(u8g); | ||
|  | } | ||
|  | 
 | ||
|  | void u8g_SetRot180(u8g_t *u8g) | ||
|  | { | ||
|  |   if ( u8g->dev != &u8g_dev_rot ) | ||
|  |   { | ||
|  |     u8g_dev_rot.dev_mem = u8g->dev; | ||
|  |     u8g->dev = &u8g_dev_rot; | ||
|  |   } | ||
|  |   u8g_dev_rot.dev_fn = u8g_dev_rot180_fn; | ||
|  |   u8g_UpdateDimension(u8g); | ||
|  | } | ||
|  | 
 | ||
|  | void u8g_SetRot270(u8g_t *u8g) | ||
|  | { | ||
|  |   if ( u8g->dev != &u8g_dev_rot ) | ||
|  |   { | ||
|  |     u8g_dev_rot.dev_mem = u8g->dev; | ||
|  |     u8g->dev = &u8g_dev_rot; | ||
|  |   } | ||
|  |   u8g_dev_rot.dev_fn = u8g_dev_rot270_fn; | ||
|  |   u8g_UpdateDimension(u8g); | ||
|  | } | ||
|  | 
 | ||
|  | uint8_t u8g_dev_rot90_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg) | ||
|  | { | ||
|  |   u8g_dev_t *rotation_chain = (u8g_dev_t *)(dev->dev_mem); | ||
|  |   switch(msg) | ||
|  |   { | ||
|  |     default: | ||
|  |     /*
 | ||
|  |     case U8G_DEV_MSG_INIT: | ||
|  |     case U8G_DEV_MSG_STOP: | ||
|  |     case U8G_DEV_MSG_PAGE_FIRST: | ||
|  |     case U8G_DEV_MSG_PAGE_NEXT: | ||
|  |     case U8G_DEV_MSG_SET_COLOR_INDEX: | ||
|  |     case U8G_DEV_MSG_SET_XY_CB: | ||
|  |     */ | ||
|  |       return u8g_call_dev_fn(u8g, rotation_chain, msg, arg); | ||
|  | #ifdef U8G_DEV_MSG_IS_BBX_INTERSECTION
 | ||
|  |     case U8G_DEV_MSG_IS_BBX_INTERSECTION: | ||
|  |       { | ||
|  |         u8g_dev_arg_bbx_t *bbx = (u8g_dev_arg_bbx_t *)arg; | ||
|  |         u8g_uint_t x, y, tmp; | ||
|  |          | ||
|  |         /* transform the reference point */ | ||
|  |         y = bbx->x; | ||
|  |         x = u8g->height; | ||
|  |         /* x = u8g_GetWidthLL(u8g, rotation_chain); */ | ||
|  |         x -= bbx->y;  | ||
|  |         x--; | ||
|  |          | ||
|  |         /* adjust point to be the uppler left corner again */ | ||
|  |         x -= bbx->h; | ||
|  |         x++; | ||
|  |          | ||
|  |         /* swap box dimensions */         | ||
|  |         tmp = bbx->w; | ||
|  |         bbx->w = bbx->h; | ||
|  |         bbx->h = tmp; | ||
|  |          | ||
|  |         /* store x,y */ | ||
|  |         bbx->x = x; | ||
|  |         bbx->y = y; | ||
|  |       } | ||
|  |       return u8g_call_dev_fn(u8g, rotation_chain, msg, arg); | ||
|  | #endif /* U8G_DEV_MSG_IS_BBX_INTERSECTION */
 | ||
|  |     case U8G_DEV_MSG_GET_PAGE_BOX: | ||
|  |       /* get page size from next device in the chain */ | ||
|  |       u8g_call_dev_fn(u8g, rotation_chain, msg, arg); | ||
|  |       //printf("pre x: %3d..%3d y: %3d..%3d   ", ((u8g_box_t *)arg)->x0, ((u8g_box_t *)arg)->x1, ((u8g_box_t *)arg)->y0, ((u8g_box_t *)arg)->y1);
 | ||
|  |       { | ||
|  | 	u8g_box_t new_box; | ||
|  | 	//new_box.x0 = u8g_GetHeightLL(u8g,rotation_chain) - ((u8g_box_t *)arg)->y1 - 1;
 | ||
|  | 	//new_box.x1 = u8g_GetHeightLL(u8g,rotation_chain) - ((u8g_box_t *)arg)->y0 - 1;
 | ||
|  | 	 | ||
|  | 	new_box.x0 = ((u8g_box_t *)arg)->y0; | ||
|  | 	new_box.x1 = ((u8g_box_t *)arg)->y1; | ||
|  | 	new_box.y0 = ((u8g_box_t *)arg)->x0; | ||
|  | 	new_box.y1 = ((u8g_box_t *)arg)->x1; | ||
|  | 	*((u8g_box_t *)arg) = new_box; | ||
|  | 	//printf("post x: %3d..%3d y: %3d..%3d\n", ((u8g_box_t *)arg)->x0, ((u8g_box_t *)arg)->x1, ((u8g_box_t *)arg)->y0, ((u8g_box_t *)arg)->y1);
 | ||
|  |       } | ||
|  |       break; | ||
|  |     case U8G_DEV_MSG_GET_WIDTH: | ||
|  |       *((u8g_uint_t *)arg) = u8g_GetHeightLL(u8g,rotation_chain); | ||
|  |       break; | ||
|  |     case U8G_DEV_MSG_GET_HEIGHT: | ||
|  |       *((u8g_uint_t *)arg) = u8g_GetWidthLL(u8g, rotation_chain); | ||
|  |       break; | ||
|  |     case U8G_DEV_MSG_SET_PIXEL: | ||
|  |       { | ||
|  |         u8g_uint_t x, y; | ||
|  |         y = ((u8g_dev_arg_pixel_t *)arg)->x; | ||
|  |         x = u8g_GetWidthLL(u8g, rotation_chain); | ||
|  |         x -= ((u8g_dev_arg_pixel_t *)arg)->y;  | ||
|  |         x--; | ||
|  |         ((u8g_dev_arg_pixel_t *)arg)->x = x; | ||
|  |         ((u8g_dev_arg_pixel_t *)arg)->y = y; | ||
|  |       } | ||
|  |       u8g_call_dev_fn(u8g, rotation_chain, msg, arg); | ||
|  |       break; | ||
|  |     case U8G_DEV_MSG_SET_8PIXEL: | ||
|  |       { | ||
|  |         u8g_uint_t x, y; | ||
|  | 	//uint16_t x,y;
 | ||
|  |         y = ((u8g_dev_arg_pixel_t *)arg)->x; | ||
|  |         x = u8g_GetWidthLL(u8g, rotation_chain); | ||
|  |         x -= ((u8g_dev_arg_pixel_t *)arg)->y;  | ||
|  |         x--; | ||
|  |         ((u8g_dev_arg_pixel_t *)arg)->x = x; | ||
|  |         ((u8g_dev_arg_pixel_t *)arg)->y = y; | ||
|  |         ((u8g_dev_arg_pixel_t *)arg)->dir+=1; | ||
|  |         ((u8g_dev_arg_pixel_t *)arg)->dir &= 3; | ||
|  |       } | ||
|  |       u8g_call_dev_fn(u8g, rotation_chain, msg, arg); | ||
|  |       break; | ||
|  |   } | ||
|  |   return 1; | ||
|  | } | ||
|  | 
 | ||
|  | uint8_t u8g_dev_rot180_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg) | ||
|  | { | ||
|  |   u8g_dev_t *rotation_chain = (u8g_dev_t *)(dev->dev_mem); | ||
|  |   switch(msg) | ||
|  |   { | ||
|  |     default: | ||
|  |     /*
 | ||
|  |     case U8G_DEV_MSG_INIT: | ||
|  |     case U8G_DEV_MSG_STOP: | ||
|  |     case U8G_DEV_MSG_PAGE_FIRST: | ||
|  |     case U8G_DEV_MSG_PAGE_NEXT: | ||
|  |     case U8G_DEV_MSG_SET_COLOR_INDEX: | ||
|  |     case U8G_DEV_MSG_SET_XY_CB: | ||
|  |     */ | ||
|  |       return u8g_call_dev_fn(u8g, rotation_chain, msg, arg); | ||
|  | #ifdef U8G_DEV_MSG_IS_BBX_INTERSECTION
 | ||
|  |     case U8G_DEV_MSG_IS_BBX_INTERSECTION: | ||
|  |       { | ||
|  |         u8g_dev_arg_bbx_t *bbx = (u8g_dev_arg_bbx_t *)arg; | ||
|  |         u8g_uint_t x, y; | ||
|  |          | ||
|  |         /* transform the reference point */ | ||
|  |         //y = u8g_GetHeightLL(u8g, rotation_chain);
 | ||
|  |         y = u8g->height; | ||
|  |         y -= bbx->y;  | ||
|  |         y--; | ||
|  |          | ||
|  |         //x = u8g_GetWidthLL(u8g, rotation_chain);
 | ||
|  |         x = u8g->width; | ||
|  |         x -= bbx->x;  | ||
|  |         x--; | ||
|  |          | ||
|  |         /* adjust point to be the uppler left corner again */ | ||
|  |         y -= bbx->h; | ||
|  |         y++; | ||
|  |          | ||
|  |         x -= bbx->w; | ||
|  |         x++; | ||
|  |                  | ||
|  |         /* store x,y */ | ||
|  |         bbx->x = x; | ||
|  |         bbx->y = y; | ||
|  |       } | ||
|  |       return u8g_call_dev_fn(u8g, rotation_chain, msg, arg); | ||
|  | #endif /* U8G_DEV_MSG_IS_BBX_INTERSECTION */
 | ||
|  |     case U8G_DEV_MSG_GET_PAGE_BOX: | ||
|  |       /* get page size from next device in the chain */ | ||
|  |       u8g_call_dev_fn(u8g, rotation_chain, msg, arg); | ||
|  |       //printf("pre x: %3d..%3d y: %3d..%3d   ", ((u8g_box_t *)arg)->x0, ((u8g_box_t *)arg)->x1, ((u8g_box_t *)arg)->y0, ((u8g_box_t *)arg)->y1);
 | ||
|  |       { | ||
|  | 	u8g_box_t new_box; | ||
|  | 	 | ||
|  | 	new_box.x0 = u8g_GetWidthLL(u8g,rotation_chain) - ((u8g_box_t *)arg)->x1 - 1; | ||
|  | 	new_box.x1 = u8g_GetWidthLL(u8g,rotation_chain) - ((u8g_box_t *)arg)->x0 - 1; | ||
|  | 	new_box.y0 = u8g_GetHeightLL(u8g,rotation_chain) - ((u8g_box_t *)arg)->y1 - 1; | ||
|  | 	new_box.y1 = u8g_GetHeightLL(u8g,rotation_chain) - ((u8g_box_t *)arg)->y0 - 1; | ||
|  | 	*((u8g_box_t *)arg) = new_box; | ||
|  | 	//printf("post x: %3d..%3d y: %3d..%3d\n", ((u8g_box_t *)arg)->x0, ((u8g_box_t *)arg)->x1, ((u8g_box_t *)arg)->y0, ((u8g_box_t *)arg)->y1);
 | ||
|  |       } | ||
|  |       break; | ||
|  |     case U8G_DEV_MSG_GET_WIDTH: | ||
|  |       *((u8g_uint_t *)arg) = u8g_GetWidthLL(u8g,rotation_chain); | ||
|  |       break; | ||
|  |     case U8G_DEV_MSG_GET_HEIGHT: | ||
|  |       *((u8g_uint_t *)arg) = u8g_GetHeightLL(u8g, rotation_chain); | ||
|  |       break; | ||
|  |     case U8G_DEV_MSG_SET_PIXEL: | ||
|  |       { | ||
|  |         u8g_uint_t x, y; | ||
|  | 
 | ||
|  |         y = u8g_GetHeightLL(u8g, rotation_chain); | ||
|  |         y -= ((u8g_dev_arg_pixel_t *)arg)->y;  | ||
|  |         y--; | ||
|  |          | ||
|  |         x = u8g_GetWidthLL(u8g, rotation_chain); | ||
|  |         x -= ((u8g_dev_arg_pixel_t *)arg)->x;  | ||
|  |         x--; | ||
|  |          | ||
|  |         ((u8g_dev_arg_pixel_t *)arg)->x = x; | ||
|  |         ((u8g_dev_arg_pixel_t *)arg)->y = y; | ||
|  |       } | ||
|  |       u8g_call_dev_fn(u8g, rotation_chain, msg, arg); | ||
|  |       break; | ||
|  |     case U8G_DEV_MSG_SET_8PIXEL: | ||
|  |       { | ||
|  |         u8g_uint_t x, y; | ||
|  |          | ||
|  |         y = u8g_GetHeightLL(u8g, rotation_chain); | ||
|  |         y -= ((u8g_dev_arg_pixel_t *)arg)->y;  | ||
|  |         y--; | ||
|  |          | ||
|  |         x = u8g_GetWidthLL(u8g, rotation_chain); | ||
|  |         x -= ((u8g_dev_arg_pixel_t *)arg)->x;  | ||
|  |         x--; | ||
|  |          | ||
|  |         ((u8g_dev_arg_pixel_t *)arg)->x = x; | ||
|  |         ((u8g_dev_arg_pixel_t *)arg)->y = y; | ||
|  |         ((u8g_dev_arg_pixel_t *)arg)->dir+=2; | ||
|  |         ((u8g_dev_arg_pixel_t *)arg)->dir &= 3; | ||
|  |       } | ||
|  |       u8g_call_dev_fn(u8g, rotation_chain, msg, arg); | ||
|  |       break; | ||
|  |   } | ||
|  |   return 1; | ||
|  | } | ||
|  | 
 | ||
|  | uint8_t u8g_dev_rot270_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg) | ||
|  | { | ||
|  |   u8g_dev_t *rotation_chain = (u8g_dev_t *)(dev->dev_mem); | ||
|  |   switch(msg) | ||
|  |   { | ||
|  |     default: | ||
|  |     /*
 | ||
|  |     case U8G_DEV_MSG_INIT: | ||
|  |     case U8G_DEV_MSG_STOP: | ||
|  |     case U8G_DEV_MSG_PAGE_FIRST: | ||
|  |     case U8G_DEV_MSG_PAGE_NEXT: | ||
|  |     case U8G_DEV_MSG_SET_COLOR_INDEX: | ||
|  |     case U8G_DEV_MSG_SET_XY_CB: | ||
|  |     */ | ||
|  |       return u8g_call_dev_fn(u8g, rotation_chain, msg, arg); | ||
|  | #ifdef U8G_DEV_MSG_IS_BBX_INTERSECTION
 | ||
|  |     case U8G_DEV_MSG_IS_BBX_INTERSECTION: | ||
|  |       { | ||
|  |         u8g_dev_arg_bbx_t *bbx = (u8g_dev_arg_bbx_t *)arg; | ||
|  |         u8g_uint_t x, y, tmp; | ||
|  |          | ||
|  |         /* transform the reference point */ | ||
|  |         x = bbx->y; | ||
|  |          | ||
|  |         y = u8g->width; | ||
|  |         /* y = u8g_GetHeightLL(u8g, rotation_chain); */ | ||
|  |         y -= bbx->x;  | ||
|  |         y--; | ||
|  |                  | ||
|  |         /* adjust point to be the uppler left corner again */ | ||
|  |         y -= bbx->w; | ||
|  |         y++; | ||
|  |          | ||
|  |         /* swap box dimensions */         | ||
|  |         tmp = bbx->w; | ||
|  |         bbx->w = bbx->h; | ||
|  |         bbx->h = tmp; | ||
|  |          | ||
|  |         /* store x,y */ | ||
|  |         bbx->x = x; | ||
|  |         bbx->y = y; | ||
|  |       } | ||
|  |       return u8g_call_dev_fn(u8g, rotation_chain, msg, arg); | ||
|  | #endif /* U8G_DEV_MSG_IS_BBX_INTERSECTION */
 | ||
|  |     case U8G_DEV_MSG_GET_PAGE_BOX: | ||
|  |       /* get page size from next device in the chain */ | ||
|  |       u8g_call_dev_fn(u8g, rotation_chain, msg, arg); | ||
|  |       //printf("pre x: %3d..%3d y: %3d..%3d   ", ((u8g_box_t *)arg)->x0, ((u8g_box_t *)arg)->x1, ((u8g_box_t *)arg)->y0, ((u8g_box_t *)arg)->y1);
 | ||
|  |       { | ||
|  | 	u8g_box_t new_box; | ||
|  | 	 | ||
|  | 	new_box.x0 = u8g_GetHeightLL(u8g,rotation_chain) - ((u8g_box_t *)arg)->y1 - 1; | ||
|  | 	new_box.x1 = u8g_GetHeightLL(u8g,rotation_chain) - ((u8g_box_t *)arg)->y0 - 1; | ||
|  | 	new_box.y0 = u8g_GetWidthLL(u8g,rotation_chain) - ((u8g_box_t *)arg)->x1 - 1; | ||
|  | 	new_box.y1 = u8g_GetWidthLL(u8g,rotation_chain) - ((u8g_box_t *)arg)->x0 - 1; | ||
|  | 	*((u8g_box_t *)arg) = new_box; | ||
|  | 	//printf("post x: %3d..%3d y: %3d..%3d\n", ((u8g_box_t *)arg)->x0, ((u8g_box_t *)arg)->x1, ((u8g_box_t *)arg)->y0, ((u8g_box_t *)arg)->y1);
 | ||
|  |       } | ||
|  |       break; | ||
|  |     case U8G_DEV_MSG_GET_WIDTH: | ||
|  |       *((u8g_uint_t *)arg) = u8g_GetHeightLL(u8g,rotation_chain); | ||
|  |       break; | ||
|  |     case U8G_DEV_MSG_GET_HEIGHT: | ||
|  |       *((u8g_uint_t *)arg) = u8g_GetWidthLL(u8g, rotation_chain); | ||
|  |       break; | ||
|  |     case U8G_DEV_MSG_SET_PIXEL: | ||
|  |       { | ||
|  |         u8g_uint_t x, y; | ||
|  |         x = ((u8g_dev_arg_pixel_t *)arg)->y; | ||
|  |          | ||
|  |         y = u8g_GetHeightLL(u8g, rotation_chain); | ||
|  |         y -= ((u8g_dev_arg_pixel_t *)arg)->x;  | ||
|  |         y--; | ||
|  |            | ||
|  |         /*
 | ||
|  |         x = u8g_GetWidthLL(u8g, rotation_chain); | ||
|  |         x -= ((u8g_dev_arg_pixel_t *)arg)->y;  | ||
|  |         x--; | ||
|  |         */ | ||
|  |         ((u8g_dev_arg_pixel_t *)arg)->x = x; | ||
|  |         ((u8g_dev_arg_pixel_t *)arg)->y = y; | ||
|  |       } | ||
|  |       u8g_call_dev_fn(u8g, rotation_chain, msg, arg); | ||
|  |       break; | ||
|  |     case U8G_DEV_MSG_SET_8PIXEL: | ||
|  |       { | ||
|  |         u8g_uint_t x, y; | ||
|  |         x = ((u8g_dev_arg_pixel_t *)arg)->y; | ||
|  |          | ||
|  |         y = u8g_GetHeightLL(u8g, rotation_chain); | ||
|  |         y -= ((u8g_dev_arg_pixel_t *)arg)->x;  | ||
|  |         y--; | ||
|  |            | ||
|  |         /*
 | ||
|  |         x = u8g_GetWidthLL(u8g, rotation_chain); | ||
|  |         x -= ((u8g_dev_arg_pixel_t *)arg)->y;  | ||
|  |         x--; | ||
|  |         */ | ||
|  |         ((u8g_dev_arg_pixel_t *)arg)->x = x; | ||
|  |         ((u8g_dev_arg_pixel_t *)arg)->y = y; | ||
|  |         ((u8g_dev_arg_pixel_t *)arg)->dir+=3; | ||
|  |         ((u8g_dev_arg_pixel_t *)arg)->dir &= 3; | ||
|  |       } | ||
|  |       u8g_call_dev_fn(u8g, rotation_chain, msg, arg); | ||
|  |       break; | ||
|  |   } | ||
|  |   return 1; | ||
|  | } | ||
|  | 
 |