A basic graphics package for the LPC4088 Display Module.
Dependents: lpc4088_displaymodule_demo_sphere sampleGUI sampleEmptyGUI lpc4088_displaymodule_fs_aid ... more
Fork of DMBasicGUI by
lpc_swim/lpc_swim_image.c
- Committer:
- embeddedartists
- Date:
- 2014-12-11
- Revision:
- 0:4977187e90c7
- Child:
- 7:4ba7bd9d32ef
File content as of revision 0:4977187e90c7:
/* * @brief SWIM image management * * @note * Copyright(C) NXP Semiconductors, 2012 * All rights reserved. * * @par * Software that is described herein is for illustrative purposes only * which provides customers with programming information regarding the * LPC products. This software is supplied "AS IS" without any warranties of * any kind, and NXP Semiconductors and its licensor disclaim any and * all warranties, express or implied, including all implied warranties of * merchantability, fitness for a particular purpose and non-infringement of * intellectual property rights. NXP Semiconductors assumes no responsibility * or liability for the use of the software, conveys no license or rights under any * patent, copyright, mask work right, or any other intellectual property rights in * or to any products. NXP Semiconductors reserves the right to make changes * in the software without notification. NXP Semiconductors also makes no * representation or warranty that such application will be suitable for the * specified use without further testing or modification. * * @par * Permission to use, copy, modify, and distribute this software and its * documentation is hereby granted, under NXP Semiconductors' and its * licensor's relevant copyrights in the software, without fee, provided that it * is used in conjunction with NXP Semiconductors microcontrollers. This * copyright, permission, and disclaimer notice must appear in all copies of * this code. */ #include "lpc_types.h" #include "lpc_swim_image.h" /***************************************************************************** * Private types/enumerations/variables ****************************************************************************/ /***************************************************************************** * Public types/enumerations/variables ****************************************************************************/ /***************************************************************************** * Private functions ****************************************************************************/ /***************************************************************************** * Public functions ****************************************************************************/ /* Puts a raw image into a window */ void swim_put_image(SWIM_WINDOW_T *win, const COLOR_T *image, int32_t xsize, int32_t ysize) { int32_t x, y; /* Unknown values of rtype will do no rotation */ y = win->ypvmin; xsize = xsize + win->xpvmin; ysize = ysize + win->ypvmin; /* Move image to window pixel by pixel */ while ((y <= win->ypvmax) && (y < ysize)) { /* Set physical frame buffer address */ x = win->xpvmin; /* Render a single line */ while ((x <= win->xpvmax) && (x < xsize)) { swim_put_pixel_physical(win, x, y, *image); image++; x++; } /* Adjust to end of line if the image was clipped */ image = image + (xsize - x); y++; } } /* Puts a raw image into a window inverted */ void swim_put_invert_image(SWIM_WINDOW_T *win, const COLOR_T *image, int32_t xsize, int32_t ysize) { int32_t x, y, xr, yr; y = win->ypvmin; yr = ysize - 1; /* Move image to window pixel by pixel */ while ((y <= win->ypvmax) && (yr >= 0)) { /* Set physical frame buffer address */ x = win->xpvmin; xr = xsize - 1; /* Render a single line */ while ((x <= win->xpvmax) && (xr >= 0)) { swim_put_pixel_physical(win, x, y, image[xr + yr * xsize] ); x++; xr--; } y++; yr--; } } /* Puts a raw image into a window rotated left */ void swim_put_left_image(SWIM_WINDOW_T *win, const COLOR_T *image, int32_t xsize, int32_t ysize) { int32_t x, y, xr, yr; x = win->xpvmin; yr = ysize - 1; /* Move image to window pixel by pixel */ while ((x <= win->xpvmax) && (yr >= 0)) { /* Set physical frame buffer address to start drawing at bottom */ y = win->ypvmin; xr = 0; /* Render a single line */ while ((y <= win->ypvmax) && (xr < xsize)) { /* Go to next line (y) */ swim_put_pixel_physical(win, x, y, image[(xsize - xr - 1) + (ysize - yr - 1) * xsize]); /* Update picture to next x coordinate */ y++; xr++; } x++; yr--; } } /* Puts a raw image into a window rotated right */ void swim_put_right_image(SWIM_WINDOW_T *win, const COLOR_T *image, int32_t xsize, int32_t ysize) { int32_t x, y, xr, yr; x = win->xpvmin; yr = ysize - 1; /* Move image to window pixel by pixel */ while ((x <= win->xpvmax) && (yr >= 0)) { /* Set physical frame buffer address to start drawing at bottom */ y = win->ypvmin; xr = 0; /* Render a single line */ while ((y <= win->ypvmax) && (xr < xsize)) { /* Go to next line (y) */ swim_put_pixel_physical(win, x, y, image[xr + yr * xsize]); /* Update picture to next x coordinate */ y++; xr++; } x++; yr--; } } /* Puts and scales a raw image into a window */ void swim_put_scale_image(SWIM_WINDOW_T *win, const COLOR_T *image, int32_t xsize, int32_t ysize) { int32_t xsc, ysc; int32_t x, y; /* Top of window */ y = win->ypvmin; /* Rescale image into window */ while (y <= win->ypvmax) { x = win->xpvmin; /* Scale he display size to the image size */ ysc = ((ysize - 1) * (y - win->ypvmin)) / win->yvsize; /* Render a single line */ while (x <= win->xpvmax) { /* Get x pixel in image */ xsc = ((xsize - 1) * (x - win->xpvmin)) / win->xvsize; swim_put_pixel_physical(win, x, y, image[xsc + ysc * xsize] ); x++; } y++; } } /* Puts and scales a raw image into a window inverted */ void swim_put_scale_invert_image(SWIM_WINDOW_T *win, const COLOR_T *image, int32_t xsize, int32_t ysize) { int32_t xsc, ysc; int32_t x, y; /* Top of window */ y = win->ypvmin; /* Rescale image into window */ while (y <= win->ypvmax) { x = win->xpvmin; /* Scale he display size to the image size */ ysc = ((ysize - 1) * (y - win->ypvmin)) / win->yvsize; /* Render a single line */ while (x <= win->xpvmax) { /* Get x pixel in image */ xsc = ((xsize - 1) * (x - win->xpvmin)) / win->xvsize; swim_put_pixel_physical(win, x, y, image[(xsize - 1 - xsc) + (ysize - 1 - ysc) * xsize]); x++; } y++; } } /* Puts and scales a raw image into a window rotated left */ void swim_put_scale_left_image(SWIM_WINDOW_T *win, const COLOR_T *image, int32_t xsize, int32_t ysize) { int32_t xsc, ysc; int32_t x, y; /* Top of window */ y = win->ypvmin; /* Rescale image into window */ while (y <= win->ypvmax) { x = win->xpvmin; /* Scale y coords of picture into x axis */ ysc = ((xsize - 1) * (win->ypvmax - y)) / win->yvsize; /* Render a single horizontal line with 'y' data */ while (x <= win->xpvmax) { /* Get x pixel in image */ xsc = ((ysize - 1) * (x - win->xpvmin)) / win->xvsize; swim_put_pixel_physical(win, x, y, image[ysc + xsc * xsize] ); x++; } y++; } } /* Puts and scales a raw image into a window rotated right */ void swim_put_scale_right_image(SWIM_WINDOW_T *win, const COLOR_T *image, int32_t xsize, int32_t ysize) { int32_t xsc, ysc; int32_t x, y; /* Top of window */ y = win->ypvmin; /* Rescale image into window */ while (y <= win->ypvmax) { x = win->xpvmin; /* Scale y coords of picture into x axis */ ysc = ((xsize - 1) * (y - win->ypvmin)) / win->yvsize; /* Render a single horizontal line with 'y' data */ while (x <= win->xpvmax) { /* Get x pixel in image */ xsc = ((ysize - 1) * (win->xpvmax - x)) / win->xvsize; swim_put_pixel_physical(win, x, y, image[ysc + xsc * xsize]); x++; } y++; } } /* SWIM image draw composite function */ void swim_put_win_image(SWIM_WINDOW_T *win, const COLOR_T *image, int32_t xsize, int32_t ysize, int32_t scale, SWIM_ROTATION_T rtype) { switch (rtype) { case INVERT: if (scale != 0) { swim_put_scale_invert_image(win, image, xsize, ysize); } else { swim_put_invert_image(win, image, xsize, ysize); } break; case LEFT: if (scale != 0) { swim_put_scale_left_image(win, image, xsize, ysize); } else { swim_put_left_image(win, image, xsize, ysize); } break; case RIGHT: if (scale != 0) { swim_put_scale_right_image(win, image, xsize, ysize); } else { swim_put_right_image(win, image, xsize, ysize); } break; case NOROTATION: default: if (scale != 0) { swim_put_scale_image(win, image, xsize, ysize); } else { swim_put_image(win, image, xsize, ysize); } break; } }