Embedded Artists / DMBasicGUI

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 EmbeddedArtists AB

lpc_swim/lpc_swim_font.c@22:f0d00f29bfeb, 2019-11-04 (annotated)

Committer:
embeddedartists
Date:
Mon Nov 04 14:31:50 2019 +0000
Revision:
22:f0d00f29bfeb
Parent:
19:f3d0189401e4 
More updates related to mbed OS 5

Who changed what in which revision?

UserRevisionLine numberNew contents of line
embeddedartists 0:4977187e90c7 1 /*
embeddedartists 0:4977187e90c7 2 * @brief SWIM font management
embeddedartists 0:4977187e90c7 3 *
embeddedartists 0:4977187e90c7 4 * @note
embeddedartists 0:4977187e90c7 5 * Copyright(C) NXP Semiconductors, 2012
embeddedartists 0:4977187e90c7 6 * All rights reserved.
embeddedartists 0:4977187e90c7 7 *
embeddedartists 0:4977187e90c7 8 * @par
embeddedartists 0:4977187e90c7 9 * Software that is described herein is for illustrative purposes only
embeddedartists 0:4977187e90c7 10 * which provides customers with programming information regarding the
embeddedartists 0:4977187e90c7 11 * LPC products. This software is supplied "AS IS" without any warranties of
embeddedartists 0:4977187e90c7 12 * any kind, and NXP Semiconductors and its licensor disclaim any and
embeddedartists 0:4977187e90c7 13 * all warranties, express or implied, including all implied warranties of
embeddedartists 0:4977187e90c7 14 * merchantability, fitness for a particular purpose and non-infringement of
embeddedartists 0:4977187e90c7 15 * intellectual property rights. NXP Semiconductors assumes no responsibility
embeddedartists 0:4977187e90c7 16 * or liability for the use of the software, conveys no license or rights under any
embeddedartists 0:4977187e90c7 17 * patent, copyright, mask work right, or any other intellectual property rights in
embeddedartists 0:4977187e90c7 18 * or to any products. NXP Semiconductors reserves the right to make changes
embeddedartists 0:4977187e90c7 19 * in the software without notification. NXP Semiconductors also makes no
embeddedartists 0:4977187e90c7 20 * representation or warranty that such application will be suitable for the
embeddedartists 0:4977187e90c7 21 * specified use without further testing or modification.
embeddedartists 0:4977187e90c7 22 *
embeddedartists 0:4977187e90c7 23 * @par
embeddedartists 0:4977187e90c7 24 * Permission to use, copy, modify, and distribute this software and its
embeddedartists 0:4977187e90c7 25 * documentation is hereby granted, under NXP Semiconductors' and its
embeddedartists 0:4977187e90c7 26 * licensor's relevant copyrights in the software, without fee, provided that it
embeddedartists 0:4977187e90c7 27 * is used in conjunction with NXP Semiconductors microcontrollers. This
embeddedartists 0:4977187e90c7 28 * copyright, permission, and disclaimer notice must appear in all copies of
embeddedartists 0:4977187e90c7 29 * this code.
embeddedartists 0:4977187e90c7 30 */
embeddedartists 0:4977187e90c7 31
embeddedartists 0:4977187e90c7 32 #include "lpc_swim_font.h"
embeddedartists 0:4977187e90c7 33
embeddedartists 0:4977187e90c7 34 /*****************************************************************************
embeddedartists 0:4977187e90c7 35 * Private types/enumerations/variables
embeddedartists 0:4977187e90c7 36 ****************************************************************************/
embeddedartists 0:4977187e90c7 37
embeddedartists 0:4977187e90c7 38 /*****************************************************************************
embeddedartists 0:4977187e90c7 39 * Public types/enumerations/variables
embeddedartists 0:4977187e90c7 40 ****************************************************************************/
embeddedartists 0:4977187e90c7 41
embeddedartists 0:4977187e90c7 42 /*****************************************************************************
embeddedartists 0:4977187e90c7 43 * Private functions
embeddedartists 0:4977187e90c7 44 ****************************************************************************/
embeddedartists 0:4977187e90c7 45
embeddedartists 0:4977187e90c7 46 /* Determines the length of the word (in pixels) up to the first
embeddedartists 0:4977187e90c7 47 whitespace character */
embeddedartists 0:4977187e90c7 48 static int16_t swim_get_word_len(SWIM_WINDOW_T *win,
embeddedartists 0:4977187e90c7 49 const CHAR *text)
embeddedartists 0:4977187e90c7 50 {
embeddedartists 0:4977187e90c7 51 int32_t i;
embeddedartists 0:4977187e90c7 52 int16_t wlen = 0;
embeddedartists 0:4977187e90c7 53
embeddedartists 0:4977187e90c7 54 /* Find the length in pixels of the next word (separated by
embeddedartists 0:4977187e90c7 55 whitespace) */
embeddedartists 0:4977187e90c7 56 i = 0;
embeddedartists 0:4977187e90c7 57 while (((uint8_t) text[i] > ' ') && ((uint8_t) text[i] <= 0x7E)) {
embeddedartists 0:4977187e90c7 58 wlen = wlen + win->font->font_width_table
embeddedartists 0:4977187e90c7 59 [(uint8_t) text[i] - win->font->first_char];
embeddedartists 0:4977187e90c7 60 i++;
embeddedartists 0:4977187e90c7 61 }
embeddedartists 0:4977187e90c7 62
embeddedartists 0:4977187e90c7 63 return wlen;
embeddedartists 0:4977187e90c7 64 }
embeddedartists 0:4977187e90c7 65
embeddedartists 0:4977187e90c7 66 /* Puts a word in the window, but adds a newline to keep the
embeddedartists 0:4977187e90c7 67 word contiguous (without an edge break) if necessary */
embeddedartists 0:4977187e90c7 68 static int32_t swim_put_word(SWIM_WINDOW_T *win,
embeddedartists 0:4977187e90c7 69 const CHAR *text)
embeddedartists 0:4977187e90c7 70 {
embeddedartists 0:4977187e90c7 71 int32_t i;
embeddedartists 0:4977187e90c7 72
embeddedartists 0:4977187e90c7 73 /* Will the length of the next word exceed the window margin? */
embeddedartists 0:4977187e90c7 74 if ((swim_get_word_len(win, text) + win->xvpos) > win->xpvmax) {
embeddedartists 0:4977187e90c7 75 /* Do a newline */
embeddedartists 0:4977187e90c7 76 swim_put_newline(win);
embeddedartists 0:4977187e90c7 77 }
embeddedartists 0:4977187e90c7 78
embeddedartists 0:4977187e90c7 79 /* Put just the word characters on the display up to the next
embeddedartists 0:4977187e90c7 80 non-whitespace character or the end of the string */
embeddedartists 0:4977187e90c7 81 i = 0;
embeddedartists 0:4977187e90c7 82 while (((uint8_t) text[i] > ' ') && ((uint8_t) text[i] <= 0x7E)) {
embeddedartists 0:4977187e90c7 83 swim_put_char(win, text[i]);
embeddedartists 0:4977187e90c7 84 i++;
embeddedartists 0:4977187e90c7 85 }
embeddedartists 0:4977187e90c7 86
embeddedartists 0:4977187e90c7 87 return i;
embeddedartists 0:4977187e90c7 88 }
embeddedartists 0:4977187e90c7 89
embeddedartists 0:4977187e90c7 90 /***********************************************************************
embeddedartists 0:4977187e90c7 91 * Public functions
embeddedartists 0:4977187e90c7 92 **********************************************************************/
embeddedartists 0:4977187e90c7 93
embeddedartists 0:4977187e90c7 94 /* Put text at x, y (char) position on screen */
embeddedartists 0:4977187e90c7 95 void swim_put_text_centered_win(SWIM_WINDOW_T *win,
embeddedartists 0:4977187e90c7 96 const CHAR *text,
embeddedartists 0:4977187e90c7 97 int32_t y)
embeddedartists 0:4977187e90c7 98 {
embeddedartists 0:4977187e90c7 99 swim_put_text_centered(win, text, 0, win->xvsize-1, y);
embeddedartists 0:4977187e90c7 100 }
embeddedartists 0:4977187e90c7 101
embeddedartists 0:4977187e90c7 102 /* Put text at x, y (char) position on screen */
embeddedartists 0:4977187e90c7 103 void swim_put_text_centered(SWIM_WINDOW_T *win,
embeddedartists 0:4977187e90c7 104 const CHAR *text,
embeddedartists 0:4977187e90c7 105 int32_t x0,
embeddedartists 0:4977187e90c7 106 int32_t x1,
embeddedartists 0:4977187e90c7 107 int32_t y)
embeddedartists 0:4977187e90c7 108 {
embeddedartists 0:4977187e90c7 109 int w, h;
embeddedartists 0:4977187e90c7 110 if (x0 > x1) {
embeddedartists 0:4977187e90c7 111 w = x0;
embeddedartists 0:4977187e90c7 112 x0 = x1;
embeddedartists 0:4977187e90c7 113 x1 = w;
embeddedartists 0:4977187e90c7 114 }
embeddedartists 0:4977187e90c7 115 swim_get_string_bounds(win, text, &w, &h);
embeddedartists 0:4977187e90c7 116 swim_put_text_xy(win, text, x0 + (x1-x0-w)/2, y);
embeddedartists 0:4977187e90c7 117 }
embeddedartists 0:4977187e90c7 118
embeddedartists 0:4977187e90c7 119 /* Put text at x, y (char) position on screen */
embeddedartists 0:4977187e90c7 120 void swim_put_text_xy(SWIM_WINDOW_T *win,
embeddedartists 0:4977187e90c7 121 const CHAR *text,
embeddedartists 0:4977187e90c7 122 int32_t x,
embeddedartists 0:4977187e90c7 123 int32_t y)
embeddedartists 0:4977187e90c7 124 {
embeddedartists 0:4977187e90c7 125 /* Convert virtual x, y positon to physical position */
embeddedartists 0:4977187e90c7 126 swim_set_xy(win, x, y);
embeddedartists 0:4977187e90c7 127
embeddedartists 0:4977187e90c7 128 /* Display text string */
embeddedartists 0:4977187e90c7 129 swim_put_text(win, text);
embeddedartists 0:4977187e90c7 130 }
embeddedartists 0:4977187e90c7 131
embeddedartists 0:4977187e90c7 132 /* Sets the X, Y pixel coordinates for the next text operation */
embeddedartists 0:4977187e90c7 133 void swim_set_xy(SWIM_WINDOW_T *win,
embeddedartists 0:4977187e90c7 134 int32_t x,
embeddedartists 0:4977187e90c7 135 int32_t y)
embeddedartists 0:4977187e90c7 136 {
embeddedartists 0:4977187e90c7 137 win->xvpos = x + win->xpvmin;
embeddedartists 0:4977187e90c7 138 win->yvpos = y + win->ypvmin;
embeddedartists 0:4977187e90c7 139
embeddedartists 0:4977187e90c7 140 /* Limit to window dimensions */
embeddedartists 0:4977187e90c7 141 if (win->xvpos < win->xpvmin) {
embeddedartists 0:4977187e90c7 142 win->xvpos = win->xpvmin;
embeddedartists 0:4977187e90c7 143 }
embeddedartists 0:4977187e90c7 144 else if (win->xvpos > win->xpvmax) {
embeddedartists 0:4977187e90c7 145 win->xvpos = win->xpvmax;
embeddedartists 0:4977187e90c7 146 }
embeddedartists 0:4977187e90c7 147
embeddedartists 0:4977187e90c7 148 if (win->yvpos < win->ypvmin) {
embeddedartists 0:4977187e90c7 149 win->yvpos = win->ypvmin;
embeddedartists 0:4977187e90c7 150 }
embeddedartists 0:4977187e90c7 151 else if (win->yvpos > win->ypvmax) {
embeddedartists 0:4977187e90c7 152 win->yvpos = win->ypvmax;
embeddedartists 0:4977187e90c7 153 }
embeddedartists 0:4977187e90c7 154 }
embeddedartists 0:4977187e90c7 155
embeddedartists 0:4977187e90c7 156 /* Returns the X, Y pixel coordinates for the next text operation */
embeddedartists 0:4977187e90c7 157 void swim_get_xy(SWIM_WINDOW_T *win,
embeddedartists 0:4977187e90c7 158 int32_t *x,
embeddedartists 0:4977187e90c7 159 int32_t *y)
embeddedartists 0:4977187e90c7 160 {
embeddedartists 0:4977187e90c7 161 *x = win->xvpos - win->xpvmin;
embeddedartists 0:4977187e90c7 162 *y = win->yvpos - win->ypvmin;
embeddedartists 0:4977187e90c7 163 }
embeddedartists 0:4977187e90c7 164
embeddedartists 0:4977187e90c7 165 /* Puts a string of text in a window */
embeddedartists 0:4977187e90c7 166 void swim_put_text(SWIM_WINDOW_T *win,
embeddedartists 0:4977187e90c7 167 const CHAR *text)
embeddedartists 0:4977187e90c7 168 {
embeddedartists 0:4977187e90c7 169 int32_t i = 0;
embeddedartists 0:4977187e90c7 170
embeddedartists 0:4977187e90c7 171 /* Continue until the entire string is output */
embeddedartists 0:4977187e90c7 172 while (text[i] != '\0') {
embeddedartists 0:4977187e90c7 173 if (text[i] == '\n') {
embeddedartists 0:4977187e90c7 174 swim_put_newline(win);
embeddedartists 0:4977187e90c7 175 }
embeddedartists 0:4977187e90c7 176 else if (((uint8_t) text[i] >= win->font->first_char)
embeddedartists 0:4977187e90c7 177 && ((uint8_t) text[i] <= win->font->last_char)) {
embeddedartists 0:4977187e90c7 178 /* Put character on screen */
embeddedartists 0:4977187e90c7 179 swim_put_char(win, text[i]);
embeddedartists 0:4977187e90c7 180 }
embeddedartists 0:4977187e90c7 181
embeddedartists 0:4977187e90c7 182 i++;
embeddedartists 0:4977187e90c7 183 }
embeddedartists 0:4977187e90c7 184 }
embeddedartists 0:4977187e90c7 185
embeddedartists 0:4977187e90c7 186 /* Puts a string of text in a window with breaks */
embeddedartists 0:4977187e90c7 187 void swim_put_ltext(SWIM_WINDOW_T *win,
embeddedartists 0:4977187e90c7 188 const CHAR *text)
embeddedartists 0:4977187e90c7 189 {
embeddedartists 0:4977187e90c7 190 int32_t i = 0;
embeddedartists 0:4977187e90c7 191
embeddedartists 0:4977187e90c7 192 /* Continue until the entire string is output */
embeddedartists 0:4977187e90c7 193 while (text[i] != '\0') {
embeddedartists 0:4977187e90c7 194 if (text[i] == '\n') {
embeddedartists 0:4977187e90c7 195 swim_put_newline(win);
embeddedartists 0:4977187e90c7 196 i++;
embeddedartists 0:4977187e90c7 197 }
embeddedartists 0:4977187e90c7 198 else if (((uint8_t) text[i] >= win->font->first_char)
embeddedartists 0:4977187e90c7 199 && ((uint8_t) text[i] <= win->font->last_char)) {
embeddedartists 0:4977187e90c7 200 /* Check for entire words first */
embeddedartists 0:4977187e90c7 201 if (((uint8_t) text[i] > ' ') && ((uint8_t) text[i] <= 0x7E)) {
embeddedartists 0:4977187e90c7 202 /* Put entire word on screen */
embeddedartists 0:4977187e90c7 203 i = i + swim_put_word(win, &text[i]);
embeddedartists 0:4977187e90c7 204 }
embeddedartists 0:4977187e90c7 205 else {
embeddedartists 0:4977187e90c7 206 swim_put_char(win, text[i]);
embeddedartists 0:4977187e90c7 207 i++;
embeddedartists 0:4977187e90c7 208 }
embeddedartists 0:4977187e90c7 209 }
embeddedartists 0:4977187e90c7 210 else {
embeddedartists 0:4977187e90c7 211 /* Put a space out */
embeddedartists 0:4977187e90c7 212 swim_put_char(win, ' ');
embeddedartists 0:4977187e90c7 213 i++;
embeddedartists 0:4977187e90c7 214 }
embeddedartists 0:4977187e90c7 215 }
embeddedartists 0:4977187e90c7 216 }
embeddedartists 0:4977187e90c7 217
embeddedartists 0:4977187e90c7 218 /* xx */
embeddedartists 0:4977187e90c7 219 void swim_window_scroll(SWIM_WINDOW_T *win,
embeddedartists 0:4977187e90c7 220 int32_t lines)
embeddedartists 0:4977187e90c7 221 {
embeddedartists 0:4977187e90c7 222 int32_t yref1 = win->ypvmin;
embeddedartists 0:4977187e90c7 223 int32_t yref2 = yref1 + lines;
embeddedartists 0:4977187e90c7 224 int32_t ref;
embeddedartists 0:4977187e90c7 225
embeddedartists 0:4977187e90c7 226 while (yref2 <= win->ypvmax) {
embeddedartists 0:4977187e90c7 227
embeddedartists 0:4977187e90c7 228 /* Line move addresses */
embeddedartists 0:4977187e90c7 229 uint32_t ix = win->xpvmin;
embeddedartists 0:4977187e90c7 230 uint32_t destIy = yref1;
embeddedartists 0:4977187e90c7 231 uint32_t srcIy = yref2;
embeddedartists 0:4977187e90c7 232
embeddedartists 0:4977187e90c7 233 /* Move a single line at a time */
embeddedartists 0:4977187e90c7 234 ref = win->xpvmax - win->xpvmin + 1;
embeddedartists 0:4977187e90c7 235 while (ref > 0) {
embeddedartists 0:4977187e90c7 236 COLOR_T pixel = swim_get_pixel_physical(win, ix, srcIy);
embeddedartists 0:4977187e90c7 237 swim_put_pixel_physical(win, ix, destIy, pixel);
embeddedartists 0:4977187e90c7 238 ix++;
embeddedartists 0:4977187e90c7 239 ref--;
embeddedartists 0:4977187e90c7 240 }
embeddedartists 0:4977187e90c7 241
embeddedartists 0:4977187e90c7 242 /* Next lines */
embeddedartists 0:4977187e90c7 243 yref1++;
embeddedartists 0:4977187e90c7 244 yref2++;
embeddedartists 0:4977187e90c7 245 }
embeddedartists 0:4977187e90c7 246
embeddedartists 0:4977187e90c7 247 /* Clear out bottom lines */
embeddedartists 0:4977187e90c7 248 yref1 = win->yvpos;
embeddedartists 0:4977187e90c7 249 while (yref1 <= win->ypvmax) {
embeddedartists 0:4977187e90c7 250
embeddedartists 0:4977187e90c7 251 /* Line clear address */
embeddedartists 0:4977187e90c7 252 uint32_t ix = win->xpvmin;
embeddedartists 0:4977187e90c7 253 uint32_t destIy = yref1;
embeddedartists 0:4977187e90c7 254
embeddedartists 0:4977187e90c7 255 /* Clear a single line at a time */
embeddedartists 0:4977187e90c7 256 ref = win->xpvmax - win->xpvmin + 1;
embeddedartists 0:4977187e90c7 257 while (ref > 0) {
embeddedartists 0:4977187e90c7 258 swim_put_pixel_physical(win, ix, destIy, win->bkg);
embeddedartists 0:4977187e90c7 259 ix++;
embeddedartists 0:4977187e90c7 260 ref--;
embeddedartists 0:4977187e90c7 261 }
embeddedartists 0:4977187e90c7 262
embeddedartists 0:4977187e90c7 263 yref1++;
embeddedartists 0:4977187e90c7 264 }
embeddedartists 0:4977187e90c7 265 }
embeddedartists 0:4977187e90c7 266
embeddedartists 0:4977187e90c7 267 /* Puts a single character in the window */
embeddedartists 0:4977187e90c7 268 void swim_put_char(SWIM_WINDOW_T *win,
embeddedartists 0:4977187e90c7 269 const CHAR textchar)
embeddedartists 0:4977187e90c7 270 {
embeddedartists 0:4977187e90c7 271 int32_t i, j;
embeddedartists 0:4977187e90c7 272 int32_t charindex;
embeddedartists 19:f3d0189401e4 273 const uint16_t *charfields;
embeddedartists 19:f3d0189401e4 274 uint16_t chardata;
embeddedartists 0:4977187e90c7 275
embeddedartists 0:4977187e90c7 276 /* If this is a carriage return, do a newline */
embeddedartists 0:4977187e90c7 277 if (textchar == '\n') {
embeddedartists 0:4977187e90c7 278 swim_put_newline(win);
embeddedartists 0:4977187e90c7 279 }
embeddedartists 0:4977187e90c7 280 else {
embeddedartists 0:4977187e90c7 281 /* Determine index to character data */
embeddedartists 0:4977187e90c7 282 charindex = (int32_t) textchar - (int32_t) win->font->first_char;
embeddedartists 0:4977187e90c7 283
embeddedartists 0:4977187e90c7 284 /* Will the character fit on the display? */
embeddedartists 0:4977187e90c7 285 if ((win->xvpos +
embeddedartists 0:4977187e90c7 286 (int32_t) win->font->font_width_table[charindex]) >
embeddedartists 0:4977187e90c7 287 win->xpvmax) {
embeddedartists 0:4977187e90c7 288 /* Will not fit, do a newline */
embeddedartists 0:4977187e90c7 289 swim_put_newline(win);
embeddedartists 0:4977187e90c7 290 }
embeddedartists 0:4977187e90c7 291
embeddedartists 0:4977187e90c7 292 /* Determine the start of the bitfields for the character */
embeddedartists 0:4977187e90c7 293 charfields = win->font->font_table + (charindex *
embeddedartists 0:4977187e90c7 294 win->font->font_height);
embeddedartists 0:4977187e90c7 295
embeddedartists 0:4977187e90c7 296 /* Map character to the window */
embeddedartists 0:4977187e90c7 297 /* Each iteration of this loop does a row */
embeddedartists 0:4977187e90c7 298 for (i = 0; i < (int32_t) win->font->font_height; i++) {
embeddedartists 0:4977187e90c7 299
embeddedartists 0:4977187e90c7 300 /* Get starting pixel in the line */
embeddedartists 0:4977187e90c7 301 uint32_t rowIx = win->xvpos;
embeddedartists 0:4977187e90c7 302 uint32_t rowIy = win->yvpos + i;
embeddedartists 0:4977187e90c7 303
embeddedartists 0:4977187e90c7 304 /* Get character line mapping data */
embeddedartists 0:4977187e90c7 305 chardata = charfields[i];
embeddedartists 0:4977187e90c7 306
embeddedartists 0:4977187e90c7 307 /* Convert character line bit data to a pixel line in
embeddedartists 0:4977187e90c7 308 window */
embeddedartists 0:4977187e90c7 309 /* Each iteration of this loop does one pixel of the row */
embeddedartists 0:4977187e90c7 310 for (j =
embeddedartists 0:4977187e90c7 311 (int32_t) win->font->font_width_table[charindex];
embeddedartists 0:4977187e90c7 312 j > 0; j--) {
embeddedartists 0:4977187e90c7 313 if ((chardata & 0x8000) != 0) {
embeddedartists 0:4977187e90c7 314 swim_put_pixel_physical(win, rowIx, rowIy, win->pen);
embeddedartists 0:4977187e90c7 315 }
embeddedartists 0:4977187e90c7 316 else if (win->tfont != 0) {
embeddedartists 0:4977187e90c7 317 swim_put_pixel_physical(win, rowIx, rowIy, win->bkg);
embeddedartists 0:4977187e90c7 318 }
embeddedartists 0:4977187e90c7 319 rowIx++;
embeddedartists 0:4977187e90c7 320
embeddedartists 0:4977187e90c7 321 /* Next bit in character line */
embeddedartists 0:4977187e90c7 322 chardata = chardata << 1;
embeddedartists 0:4977187e90c7 323 }
embeddedartists 0:4977187e90c7 324 }
embeddedartists 0:4977187e90c7 325
embeddedartists 0:4977187e90c7 326 /* Increment to next text location */
embeddedartists 0:4977187e90c7 327 win->xvpos = win->xvpos +
embeddedartists 0:4977187e90c7 328 (int32_t) win->font->font_width_table[charindex];
embeddedartists 0:4977187e90c7 329 }
embeddedartists 0:4977187e90c7 330 }
embeddedartists 0:4977187e90c7 331
embeddedartists 0:4977187e90c7 332 /* Puts a newline in the window */
embeddedartists 0:4977187e90c7 333 void swim_put_newline(SWIM_WINDOW_T *win)
embeddedartists 0:4977187e90c7 334 {
embeddedartists 0:4977187e90c7 335 int32_t diff;
embeddedartists 0:4977187e90c7 336
embeddedartists 0:4977187e90c7 337 /* Set text pointer to start of next line */
embeddedartists 0:4977187e90c7 338 win->xvpos = win->xpvmin;
embeddedartists 0:4977187e90c7 339 win->yvpos = win->yvpos + (int32_t) win->font->font_height;
embeddedartists 0:4977187e90c7 340
embeddedartists 0:4977187e90c7 341 /* Next character is below bottom of window, scroll the window
embeddedartists 0:4977187e90c7 342 up */
embeddedartists 0:4977187e90c7 343 while ((win->yvpos +
embeddedartists 0:4977187e90c7 344 (int32_t) win->font->font_height) > win->ypvmax) {
embeddedartists 0:4977187e90c7 345 /* Scroll just enough for the next line */
embeddedartists 0:4977187e90c7 346 diff = (int32_t) win->font->font_height -
embeddedartists 0:4977187e90c7 347 (win->ypvmax - win->yvpos);
embeddedartists 0:4977187e90c7 348 win->yvpos = win->yvpos - diff;
embeddedartists 0:4977187e90c7 349 swim_window_scroll(win, diff);
embeddedartists 0:4977187e90c7 350 }
embeddedartists 0:4977187e90c7 351 }
embeddedartists 0:4977187e90c7 352
embeddedartists 0:4977187e90c7 353 /* Sets the active font */
embeddedartists 0:4977187e90c7 354 void swim_set_font(SWIM_WINDOW_T *win,
embeddedartists 0:4977187e90c7 355 FONT_T *font)
embeddedartists 0:4977187e90c7 356 {
embeddedartists 0:4977187e90c7 357 int32_t diff;
embeddedartists 0:4977187e90c7 358
embeddedartists 0:4977187e90c7 359 win->font = font;
embeddedartists 0:4977187e90c7 360
embeddedartists 0:4977187e90c7 361 /* After changing to the new font, determine if there is enough
embeddedartists 0:4977187e90c7 362 room for the font height on the existing line in the window */
embeddedartists 0:4977187e90c7 363 if ((win->yvpos + win->font->font_height) > win->ypvmax) {
embeddedartists 0:4977187e90c7 364 diff = (int32_t) win->font->font_height -
embeddedartists 0:4977187e90c7 365 (win->ypvmax - win->yvpos);
embeddedartists 0:4977187e90c7 366 win->yvpos = win->yvpos - diff;
embeddedartists 0:4977187e90c7 367 swim_window_scroll(win, diff);
embeddedartists 0:4977187e90c7 368 }
embeddedartists 0:4977187e90c7 369 }
embeddedartists 0:4977187e90c7 370
embeddedartists 0:4977187e90c7 371 /* Returns the active font's height in pixels */
embeddedartists 0:4977187e90c7 372 int16_t swim_get_font_height(SWIM_WINDOW_T *win)
embeddedartists 0:4977187e90c7 373 {
embeddedartists 0:4977187e90c7 374 return win->font->font_height;
embeddedartists 0:4977187e90c7 375 }
embeddedartists 0:4977187e90c7 376
embeddedartists 0:4977187e90c7 377 void swim_get_string_bounds(SWIM_WINDOW_T *win, const CHAR * text, int* width, int* height)
embeddedartists 0:4977187e90c7 378 {
embeddedartists 0:4977187e90c7 379 int32_t i = 0;
embeddedartists 0:4977187e90c7 380 int w = 0;
embeddedartists 0:4977187e90c7 381 *width = 0;
embeddedartists 0:4977187e90c7 382 *height = win->font->font_height;
embeddedartists 0:4977187e90c7 383
embeddedartists 0:4977187e90c7 384 /* Continue until the entire string is output */
embeddedartists 0:4977187e90c7 385 while (text[i] != '\0') {
embeddedartists 0:4977187e90c7 386 if (text[i] == '\n') {
embeddedartists 0:4977187e90c7 387 *width = MAX(w, *width);
embeddedartists 0:4977187e90c7 388 w = 0;
embeddedartists 0:4977187e90c7 389 *height += win->font->font_height;
embeddedartists 0:4977187e90c7 390 }
embeddedartists 0:4977187e90c7 391 else if (((uint8_t) text[i] >= win->font->first_char)
embeddedartists 0:4977187e90c7 392 && ((uint8_t) text[i] <= win->font->last_char)) {
embeddedartists 0:4977187e90c7 393
embeddedartists 0:4977187e90c7 394 /* Determine index to character data */
embeddedartists 0:4977187e90c7 395 int charindex = (int) text[i] - (int) win->font->first_char;
embeddedartists 0:4977187e90c7 396
embeddedartists 0:4977187e90c7 397 w += win->font->font_width_table[charindex];
embeddedartists 0:4977187e90c7 398 }
embeddedartists 0:4977187e90c7 399
embeddedartists 0:4977187e90c7 400 i++;
embeddedartists 0:4977187e90c7 401 }
embeddedartists 0:4977187e90c7 402
embeddedartists 0:4977187e90c7 403 *width = MAX(w, *width);
embeddedartists 0:4977187e90c7 404 }
embeddedartists 0:4977187e90c7 405
embeddedartists 0:4977187e90c7 406
embeddedartists 0:4977187e90c7 407 /* Creates a title bar for the window */
embeddedartists 0:4977187e90c7 408 void swim_set_title(SWIM_WINDOW_T *win,
embeddedartists 0:4977187e90c7 409 const CHAR *title,
embeddedartists 0:4977187e90c7 410 COLOR_T ttlbkcolor)
embeddedartists 0:4977187e90c7 411 {
embeddedartists 0:4977187e90c7 412 COLOR_T savedf, savedp, savedb;
embeddedartists 0:4977187e90c7 413 int32_t savedt;
embeddedartists 0:4977187e90c7 414
embeddedartists 0:4977187e90c7 415 /* Is present font height larger than window client height? */
embeddedartists 0:4977187e90c7 416 if ((swim_get_font_height(win) < (4 + win->yvsize)) &&
embeddedartists 0:4977187e90c7 417 (title != (CHAR *) 0)) {
embeddedartists 0:4977187e90c7 418 /* There is enough room for title bar, so continue */
embeddedartists 0:4977187e90c7 419
embeddedartists 0:4977187e90c7 420 /* Save original colors and font transparentcy flag */
embeddedartists 0:4977187e90c7 421 savedf = win->fill;
embeddedartists 0:4977187e90c7 422 savedp = win->pen;
embeddedartists 0:4977187e90c7 423 savedb = win->bkg;
embeddedartists 0:4977187e90c7 424 savedt = win->tfont;
embeddedartists 0:4977187e90c7 425
embeddedartists 0:4977187e90c7 426 /* Set fill color to background color (temporarily)
embeddedartists 0:4977187e90c7 427 used with box function */
embeddedartists 0:4977187e90c7 428 win->fill = ttlbkcolor;
embeddedartists 0:4977187e90c7 429 win->bkg = ttlbkcolor;
embeddedartists 0:4977187e90c7 430 win->pen = win->bkg;
embeddedartists 0:4977187e90c7 431
embeddedartists 0:4977187e90c7 432 /* Draw the background for the title bar */
embeddedartists 0:4977187e90c7 433 swim_put_box(win, 0, 0, win->xvsize,
embeddedartists 0:4977187e90c7 434 (4 + swim_get_font_height(win) - 2));
embeddedartists 0:4977187e90c7 435
embeddedartists 0:4977187e90c7 436 /* Reset text starting position for title string */
embeddedartists 0:4977187e90c7 437 win->xvpos = win->xpvmin + 2;
embeddedartists 0:4977187e90c7 438 win->yvpos = win->ypvmin + 1;
embeddedartists 0:4977187e90c7 439
embeddedartists 0:4977187e90c7 440 /* Restore original pen color (used for text color) */
embeddedartists 0:4977187e90c7 441 win->pen = savedp;
embeddedartists 0:4977187e90c7 442
embeddedartists 0:4977187e90c7 443 /* Restore the original colors */
embeddedartists 0:4977187e90c7 444 win->fill = savedf;
embeddedartists 0:4977187e90c7 445 win->bkg = savedb;
embeddedartists 0:4977187e90c7 446
embeddedartists 0:4977187e90c7 447 /* Put string in title bar area (with transparent background) */
embeddedartists 0:4977187e90c7 448 win->tfont = 0;
embeddedartists 0:4977187e90c7 449 swim_put_text(win, title);
embeddedartists 0:4977187e90c7 450 win->tfont = savedt;
embeddedartists 0:4977187e90c7 451
embeddedartists 0:4977187e90c7 452 /* Draw a line under the title bar, but before the
embeddedartists 0:4977187e90c7 453 (new) client area */
embeddedartists 0:4977187e90c7 454 swim_put_line(win, 0,
embeddedartists 0:4977187e90c7 455 (4 + swim_get_font_height(win) - 1),
embeddedartists 0:4977187e90c7 456 win->xpvmax, (4 + swim_get_font_height(win) - 1));
embeddedartists 0:4977187e90c7 457
embeddedartists 0:4977187e90c7 458 /* Adjust client height of window (virtual and physcal) */
embeddedartists 0:4977187e90c7 459 win->ypmin = win->ypmin + swim_get_font_height(win) + 4;
embeddedartists 0:4977187e90c7 460 win->ypvmin = win->ypvmin + swim_get_font_height(win) + 4;
embeddedartists 0:4977187e90c7 461
embeddedartists 0:4977187e90c7 462 /* Resize y dimension */
embeddedartists 0:4977187e90c7 463 win->yvsize = win->yvsize - swim_get_font_height(win) + 4;
embeddedartists 0:4977187e90c7 464
embeddedartists 0:4977187e90c7 465 /* Reset text starting position to new client area */
embeddedartists 0:4977187e90c7 466 win->xvpos = win->xpvmin;
embeddedartists 0:4977187e90c7 467 win->yvpos = win->ypvmin;
embeddedartists 0:4977187e90c7 468 }
embeddedartists 0:4977187e90c7 469 }
embeddedartists 0:4977187e90c7 470
embeddedartists 0:4977187e90c7 471 /* Enables and disables font backgrounds */
embeddedartists 0:4977187e90c7 472 void swim_set_font_transparency(SWIM_WINDOW_T *win,
embeddedartists 0:4977187e90c7 473 int32_t trans)
embeddedartists 0:4977187e90c7 474 {
embeddedartists 0:4977187e90c7 475 win->tfont = trans;
embeddedartists 0:4977187e90c7 476 }
embeddedartists 0:4977187e90c7 477