399 lines
12 KiB
C
399 lines
12 KiB
C
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/*
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u8g_rot.c
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Universal 8bit Graphics Library
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Copyright (c) 2011, olikraus@gmail.com
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice, this list
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of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice, this
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list of conditions and the following disclaimer in the documentation and/or other
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materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "u8g.h"
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uint8_t u8g_dev_rot90_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg);
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uint8_t u8g_dev_rot180_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg);
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uint8_t u8g_dev_rot270_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg);
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u8g_dev_t u8g_dev_rot = { u8g_dev_rot90_fn, NULL, NULL };
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void u8g_UndoRotation(u8g_t *u8g)
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{
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if ( u8g->dev != &u8g_dev_rot )
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return;
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u8g->dev = u8g_dev_rot.dev_mem;
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u8g_UpdateDimension(u8g);
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}
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void u8g_SetRot90(u8g_t *u8g)
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{
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if ( u8g->dev != &u8g_dev_rot )
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{
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u8g_dev_rot.dev_mem = u8g->dev;
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u8g->dev = &u8g_dev_rot;
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}
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u8g_dev_rot.dev_fn = u8g_dev_rot90_fn;
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u8g_UpdateDimension(u8g);
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}
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void u8g_SetRot180(u8g_t *u8g)
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{
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if ( u8g->dev != &u8g_dev_rot )
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{
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u8g_dev_rot.dev_mem = u8g->dev;
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u8g->dev = &u8g_dev_rot;
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}
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u8g_dev_rot.dev_fn = u8g_dev_rot180_fn;
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u8g_UpdateDimension(u8g);
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}
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void u8g_SetRot270(u8g_t *u8g)
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{
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if ( u8g->dev != &u8g_dev_rot )
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{
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u8g_dev_rot.dev_mem = u8g->dev;
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u8g->dev = &u8g_dev_rot;
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}
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u8g_dev_rot.dev_fn = u8g_dev_rot270_fn;
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u8g_UpdateDimension(u8g);
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}
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uint8_t u8g_dev_rot90_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg)
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{
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u8g_dev_t *rotation_chain = (u8g_dev_t *)(dev->dev_mem);
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switch(msg)
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{
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default:
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/*
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case U8G_DEV_MSG_INIT:
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case U8G_DEV_MSG_STOP:
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case U8G_DEV_MSG_PAGE_FIRST:
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case U8G_DEV_MSG_PAGE_NEXT:
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case U8G_DEV_MSG_SET_COLOR_INDEX:
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case U8G_DEV_MSG_SET_XY_CB:
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*/
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return u8g_call_dev_fn(u8g, rotation_chain, msg, arg);
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#ifdef U8G_DEV_MSG_IS_BBX_INTERSECTION
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case U8G_DEV_MSG_IS_BBX_INTERSECTION:
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{
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u8g_dev_arg_bbx_t *bbx = (u8g_dev_arg_bbx_t *)arg;
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u8g_uint_t x, y, tmp;
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/* transform the reference point */
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y = bbx->x;
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x = u8g->height;
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/* x = u8g_GetWidthLL(u8g, rotation_chain); */
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x -= bbx->y;
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x--;
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/* adjust point to be the uppler left corner again */
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x -= bbx->h;
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x++;
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/* swap box dimensions */
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tmp = bbx->w;
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bbx->w = bbx->h;
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bbx->h = tmp;
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/* store x,y */
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bbx->x = x;
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bbx->y = y;
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}
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return u8g_call_dev_fn(u8g, rotation_chain, msg, arg);
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#endif /* U8G_DEV_MSG_IS_BBX_INTERSECTION */
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case U8G_DEV_MSG_GET_PAGE_BOX:
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/* get page size from next device in the chain */
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u8g_call_dev_fn(u8g, rotation_chain, msg, arg);
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//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);
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{
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u8g_box_t new_box;
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//new_box.x0 = u8g_GetHeightLL(u8g,rotation_chain) - ((u8g_box_t *)arg)->y1 - 1;
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//new_box.x1 = u8g_GetHeightLL(u8g,rotation_chain) - ((u8g_box_t *)arg)->y0 - 1;
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new_box.x0 = ((u8g_box_t *)arg)->y0;
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new_box.x1 = ((u8g_box_t *)arg)->y1;
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new_box.y0 = ((u8g_box_t *)arg)->x0;
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new_box.y1 = ((u8g_box_t *)arg)->x1;
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*((u8g_box_t *)arg) = new_box;
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//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);
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}
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break;
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case U8G_DEV_MSG_GET_WIDTH:
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*((u8g_uint_t *)arg) = u8g_GetHeightLL(u8g,rotation_chain);
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break;
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case U8G_DEV_MSG_GET_HEIGHT:
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*((u8g_uint_t *)arg) = u8g_GetWidthLL(u8g, rotation_chain);
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break;
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case U8G_DEV_MSG_SET_PIXEL:
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{
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u8g_uint_t x, y;
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y = ((u8g_dev_arg_pixel_t *)arg)->x;
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x = u8g_GetWidthLL(u8g, rotation_chain);
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x -= ((u8g_dev_arg_pixel_t *)arg)->y;
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x--;
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((u8g_dev_arg_pixel_t *)arg)->x = x;
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((u8g_dev_arg_pixel_t *)arg)->y = y;
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}
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u8g_call_dev_fn(u8g, rotation_chain, msg, arg);
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break;
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case U8G_DEV_MSG_SET_8PIXEL:
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{
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u8g_uint_t x, y;
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//uint16_t x,y;
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y = ((u8g_dev_arg_pixel_t *)arg)->x;
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x = u8g_GetWidthLL(u8g, rotation_chain);
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x -= ((u8g_dev_arg_pixel_t *)arg)->y;
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x--;
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((u8g_dev_arg_pixel_t *)arg)->x = x;
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((u8g_dev_arg_pixel_t *)arg)->y = y;
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((u8g_dev_arg_pixel_t *)arg)->dir+=1;
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((u8g_dev_arg_pixel_t *)arg)->dir &= 3;
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}
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u8g_call_dev_fn(u8g, rotation_chain, msg, arg);
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break;
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}
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return 1;
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}
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uint8_t u8g_dev_rot180_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg)
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{
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u8g_dev_t *rotation_chain = (u8g_dev_t *)(dev->dev_mem);
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switch(msg)
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{
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default:
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/*
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case U8G_DEV_MSG_INIT:
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case U8G_DEV_MSG_STOP:
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case U8G_DEV_MSG_PAGE_FIRST:
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case U8G_DEV_MSG_PAGE_NEXT:
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case U8G_DEV_MSG_SET_COLOR_INDEX:
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case U8G_DEV_MSG_SET_XY_CB:
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*/
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return u8g_call_dev_fn(u8g, rotation_chain, msg, arg);
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#ifdef U8G_DEV_MSG_IS_BBX_INTERSECTION
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case U8G_DEV_MSG_IS_BBX_INTERSECTION:
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{
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u8g_dev_arg_bbx_t *bbx = (u8g_dev_arg_bbx_t *)arg;
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u8g_uint_t x, y;
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/* transform the reference point */
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//y = u8g_GetHeightLL(u8g, rotation_chain);
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y = u8g->height;
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y -= bbx->y;
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y--;
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//x = u8g_GetWidthLL(u8g, rotation_chain);
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x = u8g->width;
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x -= bbx->x;
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x--;
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/* adjust point to be the uppler left corner again */
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y -= bbx->h;
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y++;
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x -= bbx->w;
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x++;
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/* store x,y */
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bbx->x = x;
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bbx->y = y;
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}
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return u8g_call_dev_fn(u8g, rotation_chain, msg, arg);
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#endif /* U8G_DEV_MSG_IS_BBX_INTERSECTION */
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case U8G_DEV_MSG_GET_PAGE_BOX:
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/* get page size from next device in the chain */
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u8g_call_dev_fn(u8g, rotation_chain, msg, arg);
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//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);
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{
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u8g_box_t new_box;
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new_box.x0 = u8g_GetWidthLL(u8g,rotation_chain) - ((u8g_box_t *)arg)->x1 - 1;
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new_box.x1 = u8g_GetWidthLL(u8g,rotation_chain) - ((u8g_box_t *)arg)->x0 - 1;
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new_box.y0 = u8g_GetHeightLL(u8g,rotation_chain) - ((u8g_box_t *)arg)->y1 - 1;
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new_box.y1 = u8g_GetHeightLL(u8g,rotation_chain) - ((u8g_box_t *)arg)->y0 - 1;
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*((u8g_box_t *)arg) = new_box;
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//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);
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}
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break;
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case U8G_DEV_MSG_GET_WIDTH:
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*((u8g_uint_t *)arg) = u8g_GetWidthLL(u8g,rotation_chain);
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break;
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case U8G_DEV_MSG_GET_HEIGHT:
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*((u8g_uint_t *)arg) = u8g_GetHeightLL(u8g, rotation_chain);
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break;
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case U8G_DEV_MSG_SET_PIXEL:
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{
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u8g_uint_t x, y;
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y = u8g_GetHeightLL(u8g, rotation_chain);
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y -= ((u8g_dev_arg_pixel_t *)arg)->y;
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y--;
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x = u8g_GetWidthLL(u8g, rotation_chain);
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x -= ((u8g_dev_arg_pixel_t *)arg)->x;
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x--;
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((u8g_dev_arg_pixel_t *)arg)->x = x;
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((u8g_dev_arg_pixel_t *)arg)->y = y;
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}
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u8g_call_dev_fn(u8g, rotation_chain, msg, arg);
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break;
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case U8G_DEV_MSG_SET_8PIXEL:
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{
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u8g_uint_t x, y;
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y = u8g_GetHeightLL(u8g, rotation_chain);
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y -= ((u8g_dev_arg_pixel_t *)arg)->y;
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y--;
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x = u8g_GetWidthLL(u8g, rotation_chain);
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x -= ((u8g_dev_arg_pixel_t *)arg)->x;
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x--;
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((u8g_dev_arg_pixel_t *)arg)->x = x;
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((u8g_dev_arg_pixel_t *)arg)->y = y;
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((u8g_dev_arg_pixel_t *)arg)->dir+=2;
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((u8g_dev_arg_pixel_t *)arg)->dir &= 3;
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}
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u8g_call_dev_fn(u8g, rotation_chain, msg, arg);
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break;
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}
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return 1;
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}
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uint8_t u8g_dev_rot270_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg)
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{
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u8g_dev_t *rotation_chain = (u8g_dev_t *)(dev->dev_mem);
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switch(msg)
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{
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default:
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/*
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case U8G_DEV_MSG_INIT:
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case U8G_DEV_MSG_STOP:
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case U8G_DEV_MSG_PAGE_FIRST:
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case U8G_DEV_MSG_PAGE_NEXT:
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case U8G_DEV_MSG_SET_COLOR_INDEX:
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case U8G_DEV_MSG_SET_XY_CB:
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*/
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return u8g_call_dev_fn(u8g, rotation_chain, msg, arg);
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#ifdef U8G_DEV_MSG_IS_BBX_INTERSECTION
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case U8G_DEV_MSG_IS_BBX_INTERSECTION:
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{
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u8g_dev_arg_bbx_t *bbx = (u8g_dev_arg_bbx_t *)arg;
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u8g_uint_t x, y, tmp;
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/* transform the reference point */
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x = bbx->y;
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y = u8g->width;
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/* y = u8g_GetHeightLL(u8g, rotation_chain); */
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y -= bbx->x;
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y--;
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/* adjust point to be the uppler left corner again */
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y -= bbx->w;
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y++;
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||
|
|
|
||
|
|
/* 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;
|
||
|
|
}
|
||
|
|
|