622 lines
20 KiB
C
622 lines
20 KiB
C
/*
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ChibiOS/GFX - Copyright (C) 2012
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Joel Bodenmann aka Tectu <joel@unormal.org>
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This file is part of ChibiOS/GFX.
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ChibiOS/GFX is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS/GFX is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file gwin.c
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* @brief GWIN Driver code.
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*
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* @addtogroup GWIN
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* @{
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*/
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#include "ch.h"
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#include "hal.h"
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#include "gwin.h"
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#ifndef _GWIN_C
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#define _GWIN_C
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#if GFX_USE_GWIN || defined(__DOXYGEN__)
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/*===========================================================================*/
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/* Driver local definitions. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver exported variables. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver local variables. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver local functions. */
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/*===========================================================================*/
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#if GDISP_NEED_TEXT
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/*
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* Stream interface implementation. The interface is write only
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*/
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static size_t GWinStreamWrite(void *ip, const uint8_t *bp, size_t n) { gwinPutCharArray((GWindow *)ip, (const char *)bp, n); return RDY_OK; }
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static size_t GWinStreamRead(void *ip, uint8_t *bp, size_t n) { (void)ip; (void)bp; (void)n; return 0; }
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static msg_t GWinStreamPut(void *ip, uint8_t b) { gwinPutChar((GWindow *)ip, (char)b); return RDY_OK; }
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static msg_t GWinStreamGet(void *ip) {(void)ip; return RDY_OK; }
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static msg_t GWinStreamPutTimed(void *ip, uint8_t b, systime_t time) { (void)time; gwinPutChar((GWindow *)ip, (char)b); return RDY_OK; }
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static msg_t GWinStreamGetTimed(void *ip, systime_t timeout) { (void)ip; (void)timeout; return RDY_OK; }
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static size_t GWinStreamWriteTimed(void *ip, const uint8_t *bp, size_t n, systime_t time) { (void)time; gwinPutCharArray((GWindow *)ip, (const char *)bp, n); return RDY_OK; }
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static size_t GWinStreamReadTimed(void *ip, uint8_t *bp, size_t n, systime_t time) { (void)ip; (void)bp; (void)n; (void)time; return 0; }
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static const struct GWindowVMT vmt = {
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GWinStreamWrite,
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GWinStreamRead,
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GWinStreamPut,
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GWinStreamGet,
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GWinStreamPutTimed,
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GWinStreamGetTimed,
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GWinStreamWriteTimed,
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GWinStreamReadTimed
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};
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#endif
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/*===========================================================================*/
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/* High Level Driver Routines. */
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/*===========================================================================*/
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/**
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* @brief Initialise a window.
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* @return FALSE if there is no resultant drawing area, otherwise TRUE.
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*
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* @param[in] gw The window to initialise
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* @param[in] x,y The screen co-ordinates for the bottom left corner of the window
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* @param[in] width The width of the window
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* @param[in] height The height of the window
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* @note The drawing color gets set to White and the background drawing color to Black.
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* @note No default font is set so make sure to set one before drawing any text.
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* @note The dimensions and position may be changed to fit on the real screen.
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*
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* @api
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*/
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bool_t gwinInit(GWindow *gw, coord_t x, coord_t y, coord_t width, coord_t height) {
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coord_t w, h;
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w = gdispGetWidth();
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h = gdispGetHeight();
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if (x < 0) { width += x; x = 0; }
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if (y < 0) { height += y; y = 0; }
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if (x >= w || y >= h) return FALSE;
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if (x+width > w) width = w - x;
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if (y+height > h) height = h - y;
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gw->x = x;
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gw->y = y;
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gw->width = width;
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gw->height = height;
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gw->color = White;
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gw->bgcolor = Black;
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#if GDISP_NEED_TEXT
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gw->txt.font = 0;
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gw->txt.fy = 0;
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gw->txt.fp = 0;
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gw->txt.cx = 0;
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gw->txt.cy = 0;
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gw->txt.vmt = &vmt;
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#endif
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return TRUE;
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}
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#if GDISP_NEED_TEXT
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/**
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* @brief Set the current font for this window.
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* @pre The window must be initialised.
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*
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* @param[in] gw The window
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* @param[in] font The font to use for text functions
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*
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* @api
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*/
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void gwinSetFont(GWindow *gw, font_t font) {
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gw->txt.font = font;
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gw->txt.fy = gdispGetFontMetric(font, fontHeight);
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gw->txt.fp = gdispGetFontMetric(font, fontCharPadding);
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}
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#endif
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/**
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* @brief Clear the window
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* @pre The window must be initialised.
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* @note Uses the current background color to clear the window
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*
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* @param[in] gw The window
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*
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* @api
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*/
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void gwinClear(GWindow *gw) {
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gdispFillArea(gw->x, gw->y, gw->width, gw->height, gw->bgcolor);
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}
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/**
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* @brief Set a pixel in the window
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* @pre The window must be initialised.
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* @note Uses the current foreground color to set the pixel
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* @note May leave GDISP clipping to this window's dimensions
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*
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* @param[in] gw The window
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*
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* @api
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*/
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void gwinDrawPixel(GWindow *gw, coord_t x, coord_t y) {
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#if GDISP_SET_CLIP
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gdispSetClip(gw->x, gw->y+y, gw->width, gw->height);
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#endif
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gdispDrawPixel(gw->x+x, gw->y+y, gw->color);
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}
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/**
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* @brief Draw a line in the window
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* @pre The window must be initialised.
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* @note Uses the current foreground color to draw the line
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* @note May leave GDISP clipping to this window's dimensions
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*
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* @param[in] gw The window
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* @param[in] x0,y0 The start position
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* @param[in] x1,y1 The end position
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*
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* @api
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*/
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void gwinDrawLine(GWindow *gw, coord_t x0, coord_t y0, coord_t x1, coord_t y1) {
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#if GDISP_SET_CLIP
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gdispSetClip(gw->x, gw->y+y, gw->width, gw->height);
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#endif
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gdispDrawLine(gw->x+x0, gw->y+y0, gw->x+x1, gw->y+y1, gw->color);
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}
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/**
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* @brief Draw a box in the window
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* @pre The window must be initialised.
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* @note Uses the current foreground color to draw the box
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* @note May leave GDISP clipping to this window's dimensions
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*
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* @param[in] gw The window
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* @param[in] x,y The start position
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* @param[in] cx,cy The size of the box (outside dimensions)
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*
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* @api
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*/
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void gwinDrawBox(GWindow *gw, coord_t x, coord_t y, coord_t cx, coord_t cy) {
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#if GDISP_SET_CLIP
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gdispSetClip(gw->x, gw->y+y, gw->width, gw->height);
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#endif
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gdispDrawBox(gw->x+x, gw->y+y, cx, cy, gw->color);
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}
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/**
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* @brief Fill an rectangular area in the window
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* @pre The window must be initialised.
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* @note Uses the current foreground color to fill the box
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* @note May leave GDISP clipping to this window's dimensions
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*
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* @param[in] gw The window
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* @param[in] x,y The start position
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* @param[in] cx,cy The size of the box (outside dimensions)
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*
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* @api
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*/
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void gwinFillArea(GWindow *gw, coord_t x, coord_t y, coord_t cx, coord_t cy) {
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#if GDISP_SET_CLIP
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gdispSetClip(gw->x, gw->y+y, gw->width, gw->height);
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#endif
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gdispFillArea(gw->x+x, gw->y+y, cx, cy, gw->color);
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}
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/**
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* @brief Fill an area in the window using the supplied bitmap.
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* @details The bitmap is in the pixel format specified by the low level driver
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* @pre The window must be initialised.
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* @note If GDISP_NEED_ASYNC is defined then the buffer must be static
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* or at least retained until this call has finished the blit. You can
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* tell when all graphics drawing is finished by @p gdispIsBusy() going FALSE.
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* @note May leave GDISP clipping to this window's dimensions
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*
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* @param[in] x, y The start filled area
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* @param[in] cx, cy The width and height to be filled
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* @param[in] srcx, srcy The bitmap position to start the fill from
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* @param[in] srccx The width of a line in the bitmap.
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* @param[in] buffer The pixels to use to fill the area.
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*
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* @api
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*/
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void gwinBlitArea(GWindow *gw, coord_t x, coord_t y, coord_t cx, coord_t cy, coord_t srcx, coord_t srcy, coord_t srccx, const pixel_t *buffer) {
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#if GDISP_SET_CLIP
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gdispSetClip(gw->x, gw->y+y, gw->width, gw->height);
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#endif
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gdispBlitAreaEx(gw->x+x, gw->y+y, cx, cy, srcx, srcy, srccx, buffer);
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}
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#if GDISP_NEED_CIRCLE
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/**
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* @brief Draw a circle in the window.
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* @pre The window must be initialised.
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* @note Uses the current foreground color to draw the circle
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* @note May leave GDISP clipping to this window's dimensions
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*
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* @param[in] x, y The center of the circle
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* @param[in] radius The radius of the circle
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*
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* @api
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*/
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void gwinDrawCircle(GWindow *gw, coord_t x, coord_t y, coord_t radius) {
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#if GDISP_SET_CLIP
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gdispSetClip(gw->x, gw->y+y, gw->width, gw->height);
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#endif
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gdispDrawCircle(gw->x+x, gw->y+y, radius, gw->color);
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}
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#endif
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#if GDISP_NEED_CIRCLE
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/**
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* @brief Draw a filled circle in the window.
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* @pre The window must be initialised.
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* @note Uses the current foreground color to draw the filled circle
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* @note May leave GDISP clipping to this window's dimensions
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*
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* @param[in] x, y The center of the circle
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* @param[in] radius The radius of the circle
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*
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* @api
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*/
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void gwinFillCircle(GWindow *gw, coord_t x, coord_t y, coord_t radius) {
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#if GDISP_SET_CLIP
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gdispSetClip(gw->x, gw->y+y, gw->width, gw->height);
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#endif
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gdispFillCircle(gw->x+x, gw->y+y, radius, gw->color);
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}
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#endif
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#if GDISP_NEED_ELLIPSE
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/**
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* @brief Draw an ellipse.
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* @pre The window must be initialised.
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* @note Uses the current foreground color to draw the ellipse
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* @note May leave GDISP clipping to this window's dimensions
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*
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* @param[in] x,y The center of the ellipse
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* @param[in] a,b The dimensions of the ellipse
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*
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* @api
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*/
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void gwinDrawEllipse(GWindow *gw, coord_t x, coord_t y, coord_t a, coord_t b) {
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#if GDISP_SET_CLIP
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gdispSetClip(gw->x, gw->y+y, gw->width, gw->height);
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#endif
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gdispDrawEllipse(gw->x+x, gw->y+y, a, b, gw->color);
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}
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#endif
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#if GDISP_NEED_ELLIPSE
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/**
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* @brief Draw an filled ellipse.
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* @pre The window must be initialised.
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* @note Uses the current foreground color to draw the filled ellipse
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* @note May leave GDISP clipping to this window's dimensions
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*
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* @param[in] x,y The center of the ellipse
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* @param[in] a,b The dimensions of the ellipse
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*
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* @api
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*/
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void gwinFillEllipse(GWindow *gw, coord_t x, coord_t y, coord_t a, coord_t b) {
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#if GDISP_SET_CLIP
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gdispSetClip(gw->x, gw->y+y, gw->width, gw->height);
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#endif
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gdispFillEllipse(gw->x+x, gw->y+y, a, b, gw->color);
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}
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#endif
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#if GDISP_NEED_ARC
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/*
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* @brief Draw an arc in the window.
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* @pre The window must be initialised.
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* @note Uses the current foreground color to draw the arc
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* @note May leave GDISP clipping to this window's dimensions
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*
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* @param[in] x,y The center point
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* @param[in] radius The radius of the arc
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* @param[in] start The start angle (0 to 360)
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* @param[in] end The end angle (0 to 360)
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*
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* @api
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*/
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void gwinDrawArc(GWindow *gw, coord_t x, coord_t y, coord_t radius, coord_t startangle, coord_t endangle) {
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#if GDISP_SET_CLIP
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gdispSetClip(gw->x, gw->y+y, gw->width, gw->height);
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#endif
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gdispDrawArc(gw->x+x, gw->y+y, radius, startangle, endangle, gw->color);
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}
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#endif
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#if GDISP_NEED_ARC
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/*
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* @brief Draw a filled arc in the window.
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* @pre The window must be initialised.
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* @note Uses the current foreground color to draw the filled arc
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* @note May leave GDISP clipping to this window's dimensions
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*
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* @param[in] x,y The center point
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* @param[in] radius The radius of the arc
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* @param[in] start The start angle (0 to 360)
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* @param[in] end The end angle (0 to 360)
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*
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* @api
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*/
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void gwinFillArc(GWindow *gw, coord_t x, coord_t y, coord_t radius, coord_t startangle, coord_t endangle) {
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#if GDISP_SET_CLIP
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gdispSetClip(gw->x, gw->y+y, gw->width, gw->height);
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#endif
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gdispFillArc(gw->x+x, gw->y+y, radius, startangle, endangle, gw->color);
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}
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#endif
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#if GDISP_NEED_PIXELREAD
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/**
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* @brief Get the color of a pixel in the window.
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* @pre The window must be initialised.
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* @return The color of the pixel.
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* @note May leave GDISP clipping to this window's dimensions
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*
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* @param[in] x,y The position in the window
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*
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* @api
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*/
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color_t gwinGetPixelColor(GWindow *gw, coord_t x, coord_t y) {
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#if GDISP_SET_CLIP
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gdispSetClip(gw->x, gw->y+y, gw->width, gw->height);
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#endif
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return gdispGetPixelColor(gw->x+x, gw->y+y);
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}
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#endif
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#if GDISP_NEED_SCROLL
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/**
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* @brief Scroll vertically a section of the window.
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* @pre The window must be initialised.
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* @note If lines is >= cy, it is equivelent to a area fill with the current background drawing color.
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* @note May leave GDISP clipping to this window's dimensions
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*
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* @param[in] lines The number of lines to scroll (Can be positive or negative)
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*
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* @api
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*/
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void gwinVerticalScroll(GWindow *gw, int lines) {
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#if GDISP_SET_CLIP
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gdispSetClip(gw->x, gw->y+y, gw->width, gw->height);
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#endif
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gdispVerticalScroll(gw->x, gw->y, gw->width, gw->height, lines, gw->bgcolor);
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}
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#endif
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#if GDISP_NEED_TEXT
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/**
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* @brief Draw a text character at the specified position in the window.
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* @pre The window must be initialised.
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* @pre The font must have been set.
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* @note Uses the current foreground color to draw the character
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* @note May leave GDISP clipping to this window's dimensions
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*
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* @param[in] x,y The position for the text
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* @param[in] c The character to draw
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*
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* @api
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*/
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void gwinDrawChar(GWindow *gw, coord_t x, coord_t y, char c) {
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if (!gw->txt.font) return;
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#if GDISP_SET_CLIP
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gdispSetClip(gw->x, gw->y+y, gw->width, gw->height);
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#endif
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gdispDrawChar(gw->x+x, gw->y+y, c, gw->txt.font, gw->color);
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}
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#endif
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#if GDISP_NEED_TEXT
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/**
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* @brief Draw a text character with a filled background at the specified position in the window.
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* @pre The window must be initialised.
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* @pre The font must have been set.
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* @note Uses the current foreground color to draw the character and fills the background using the background drawing color
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* @note May leave GDISP clipping to this window's dimensions
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*
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* @param[in] x,y The position for the text
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* @param[in] c The character to draw
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*
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* @api
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*/
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void gwinFillChar(GWindow *gw, coord_t x, coord_t y, char c) {
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if (!gw->txt.font) return;
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#if GDISP_SET_CLIP
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gdispSetClip(gw->x, gw->y+y, gw->width, gw->height);
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#endif
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gdispFillChar(gw->x+x, gw->y+y, c, gw->txt.font, gw->color, gw->bgcolor);
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}
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#endif
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#if GDISP_NEED_TEXT
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/**
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* @brief Draw a text string in the window
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* @pre The window must be initialised.
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* @pre The font must have been set.
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* @note Uses the current foreground color to draw the character
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* @note May leave GDISP clipping to this window's dimensions
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*
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* @param[in] x,y The position for the text
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* @param[in] str The string to draw
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*
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* @api
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*/
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void gwinDrawString(GWindow *gw, coord_t x, coord_t y, const char *str) {
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if (!gw->txt.font) return;
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#if GDISP_SET_CLIP
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gdispSetClip(gw->x, gw->y+y, gw->width, gw->height);
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#endif
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gdispDrawString(gw->x+x, gw->y+y, str, gw->txt.font, gw->color);
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}
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#endif
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#if GDISP_NEED_TEXT
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/**
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* @brief Draw a text string with a filled background in the window
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* @pre The window must be initialised.
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* @pre The font must have been set.
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* @note Uses the current foreground color to draw the character and fills the background using the background drawing color
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* @note May leave GDISP clipping to this window's dimensions
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*
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* @param[in] x,y The position for the text
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* @param[in] str The string to draw
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*
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* @api
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*/
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void gwinFillString(GWindow *gw, coord_t x, coord_t y, const char *str) {
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if (!gw->txt.font) return;
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#if GDISP_SET_CLIP
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gdispSetClip(gw->x, gw->y+y, gw->width, gw->height);
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#endif
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gdispFillString(gw->x+x, gw->y+y, str, gw->txt.font, gw->color, gw->bgcolor);
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}
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#endif
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#if GDISP_NEED_TEXT
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/**
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* @brief Draw a text string verticly centered within the specified box.
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* @pre The window must be initialised.
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* @pre The font must have been set.
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* @note Uses the current foreground color to draw the character and fills the background using the background drawing color
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* @note The entire box is filled. Note this box does not need to align with the window box
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* @note May leave GDISP clipping to this window's dimensions
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*
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* @param[in] x,y The position for the text (need to define top-right or base-line - check code)
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* @param[in] str The string to draw
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* @param[in] justify Justify the text left, center or right within the box
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*
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* @api
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*/
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void gwinBoxString(GWindow *gw, coord_t x, coord_t y, coord_t cx, coord_t cy, const char* str, justify_t justify) {
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if (!gw->txt.font) return;
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#if GDISP_SET_CLIP
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gdispSetClip(gw->x, gw->y+y, gw->width, gw->height);
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#endif
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gdispFillStringBox(gw->x+x, gw->y+y, cx, cy, str, gw->txt.font, gw->color, gw->bgcolor, justify);
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}
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#endif
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#if GDISP_NEED_TEXT
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/**
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* @brief Put a character at the cursor position in the window.
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* @pre The window must be initialised.
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* @pre The font must have been set.
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* @note Uses the current foreground color to draw the character and fills the background using the background drawing color
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*
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* @param[in] c The character to draw
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*
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* @api
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*/
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void gwinPutChar(GWindow *gw, char c) {
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uint8_t width;
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if (!gw->txt.font) return;
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if (c == '\n') {
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/* clear the text at the end of the line */
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if (gw->txt.cx < gw->width)
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gdispFillArea(gw->x + gw->txt.cx, gw->y + gw->txt.cy, gw->width - gw->txt.cx, gw->txt.fy, gw->bgcolor);
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gw->txt.cx = 0;
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gw->txt.cy += gw->txt.fy;
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} else if (c == '\r') {
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// gw->cx = 0;
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} else {
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width = gdispGetCharWidth(c, gw->txt.font) + gw->txt.fp;
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if (gw->txt.cx + width >= gw->width) {
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/* clear the text at the end of the line */
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if (gw->txt.cy + gw->txt.fy <= gw->height)
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gdispFillArea(gw->x + gw->txt.cx, gw->y + gw->txt.cy, gw->width - (gw->txt.cx + width), gw->txt.fy, gw->bgcolor);
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gw->txt.cx = 0;
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gw->txt.cy += gw->txt.fy;
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}
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if (gw->txt.cy + gw->txt.fy > gw->height) {
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#if GDISP_NEED_SCROLL
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/* scroll the console */
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gdispVerticalScroll(gw->x, gw->y, gw->width, gw->height, gw->txt.fy, gw->bgcolor);
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/* reset the cursor to the start of the last line */
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gw->txt.cx = 0;
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gw->txt.cy = (((int16_t)(gw->height/gw->txt.fy))-1)*gw->txt.fy;
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#else
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/* clear the console */
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gdispFillArea(gw->x, gw->y, gw->width, gw->height, gw->bgcolor);
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/* reset the cursor to the top of the window */
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gw->txt.cx = 0;
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gw->txt.cy = 0;
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#endif
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}
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gdispDrawChar(gw->x + gw->txt.cx, gw->y + gw->txt.cy, c, gw->txt.font, gw->color);
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/* update cursor */
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gw->txt.cx += width;
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}
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}
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#endif
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#if GDISP_NEED_TEXT
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/**
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* @brief Put a string at the cursor position in the window. It will wrap lines as required.
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* @pre The window must be initialised.
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* @pre The font must have been set.
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* @note Uses the current foreground color to draw the string and fills the background using the background drawing color
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*
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* @param[in] str The string to draw
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*
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* @api
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*/
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void gwinPutString(GWindow *gw, const char *str) {
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while(*str)
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gwinPutChar(gw, *str++);
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}
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#endif
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#if GDISP_NEED_TEXT
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/**
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* @brief Put the character array at the cursor position in the window. It will wrap lines as required.
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* @pre The window must be initialised.
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* @pre The font must have been set.
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* @note Uses the current foreground color to draw the string and fills the background using the background drawing color
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*
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* @param[in] str The string to draw
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* @param[in] n The number of characters to draw
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*
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* @api
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*/
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void gwinPutCharArray(GWindow *gw, const char *str, size_t n) {
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while(n--)
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gwinPutChar(gw, *str++);
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}
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#endif
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#endif /* GFX_USE_GWIN */
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#endif /* _GWIN_C */
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/** @} */
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