iforce2d Chris / Mbed 2 deprecated ubxDistanceMeter

Displays distance to start location on OLED screen.

Dependencies:   mbed

u8g_font.c@0:972874f31c98, 2018-03-07 (annotated)

Committer:
iforce2d
Date:
Wed Mar 07 12:49:14 2018 +0000
Revision:
0:972874f31c98
First commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
iforce2d 0:972874f31c98 1 /*
iforce2d 0:972874f31c98 2
iforce2d 0:972874f31c98 3 u8g_font.c
iforce2d 0:972874f31c98 4
iforce2d 0:972874f31c98 5 U8G Font High Level Interface
iforce2d 0:972874f31c98 6
iforce2d 0:972874f31c98 7 Universal 8bit Graphics Library
iforce2d 0:972874f31c98 8
iforce2d 0:972874f31c98 9 Copyright (c) 2011, olikraus@gmail.com
iforce2d 0:972874f31c98 10 All rights reserved.
iforce2d 0:972874f31c98 11
iforce2d 0:972874f31c98 12 Redistribution and use in source and binary forms, with or without modification,
iforce2d 0:972874f31c98 13 are permitted provided that the following conditions are met:
iforce2d 0:972874f31c98 14
iforce2d 0:972874f31c98 15 * Redistributions of source code must retain the above copyright notice, this list
iforce2d 0:972874f31c98 16 of conditions and the following disclaimer.
iforce2d 0:972874f31c98 17
iforce2d 0:972874f31c98 18 * Redistributions in binary form must reproduce the above copyright notice, this
iforce2d 0:972874f31c98 19 list of conditions and the following disclaimer in the documentation and/or other
iforce2d 0:972874f31c98 20 materials provided with the distribution.
iforce2d 0:972874f31c98 21
iforce2d 0:972874f31c98 22 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
iforce2d 0:972874f31c98 23 CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
iforce2d 0:972874f31c98 24 INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
iforce2d 0:972874f31c98 25 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
iforce2d 0:972874f31c98 26 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
iforce2d 0:972874f31c98 27 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
iforce2d 0:972874f31c98 28 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
iforce2d 0:972874f31c98 29 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
iforce2d 0:972874f31c98 30 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
iforce2d 0:972874f31c98 31 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
iforce2d 0:972874f31c98 32 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
iforce2d 0:972874f31c98 33 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
iforce2d 0:972874f31c98 34 ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
iforce2d 0:972874f31c98 35
iforce2d 0:972874f31c98 36
iforce2d 0:972874f31c98 37 */
iforce2d 0:972874f31c98 38
iforce2d 0:972874f31c98 39 #include "u8g.h"
iforce2d 0:972874f31c98 40
iforce2d 0:972874f31c98 41 /* font api */
iforce2d 0:972874f31c98 42
iforce2d 0:972874f31c98 43 /* pointer to the start adress of the glyph, points to progmem area */
iforce2d 0:972874f31c98 44 typedef void * u8g_glyph_t;
iforce2d 0:972874f31c98 45
iforce2d 0:972874f31c98 46 /* size of the font data structure, there is no struct or class... */
iforce2d 0:972874f31c98 47 #define U8G_FONT_DATA_STRUCT_SIZE 17
iforce2d 0:972874f31c98 48
iforce2d 0:972874f31c98 49 /*
iforce2d 0:972874f31c98 50 ... instead the fields of the font data structure are accessed directly by offset
iforce2d 0:972874f31c98 51 font information
iforce2d 0:972874f31c98 52 offset
iforce2d 0:972874f31c98 53 0 font format
iforce2d 0:972874f31c98 54 1 FONTBOUNDINGBOX width unsigned
iforce2d 0:972874f31c98 55 2 FONTBOUNDINGBOX height unsigned
iforce2d 0:972874f31c98 56 3 FONTBOUNDINGBOX x-offset signed
iforce2d 0:972874f31c98 57 4 FONTBOUNDINGBOX y-offset signed
iforce2d 0:972874f31c98 58 5 capital A height unsigned
iforce2d 0:972874f31c98 59 6 start 'A'
iforce2d 0:972874f31c98 60 8 start 'a'
iforce2d 0:972874f31c98 61 10 encoding start
iforce2d 0:972874f31c98 62 11 encoding end
iforce2d 0:972874f31c98 63 12 descent 'g' negative: below baseline
iforce2d 0:972874f31c98 64 13 font max ascent
iforce2d 0:972874f31c98 65 14 font min decent negative: below baseline
iforce2d 0:972874f31c98 66 15 font xascent
iforce2d 0:972874f31c98 67 16 font xdecent negative: below baseline
iforce2d 0:972874f31c98 68
iforce2d 0:972874f31c98 69 */
iforce2d 0:972874f31c98 70
iforce2d 0:972874f31c98 71 /* use case: What is the width and the height of the minimal box into which string s fints? */
iforce2d 0:972874f31c98 72 void u8g_font_GetStrSize(const void *font, const char *s, u8g_uint_t *width, u8g_uint_t *height);
iforce2d 0:972874f31c98 73 void u8g_font_GetStrSizeP(const void *font, const char *s, u8g_uint_t *width, u8g_uint_t *height);
iforce2d 0:972874f31c98 74
iforce2d 0:972874f31c98 75 /* use case: lower left edge of a minimal box is known, what is the correct x, y position for the string draw procedure */
iforce2d 0:972874f31c98 76 void u8g_font_AdjustXYToDraw(const void *font, const char *s, u8g_uint_t *x, u8g_uint_t *y);
iforce2d 0:972874f31c98 77 void u8g_font_AdjustXYToDrawP(const void *font, const char *s, u8g_uint_t *x, u8g_uint_t *y);
iforce2d 0:972874f31c98 78
iforce2d 0:972874f31c98 79 /* use case: Baseline origin known, return minimal box */
iforce2d 0:972874f31c98 80 void u8g_font_GetStrMinBox(u8g_t *u8g, const void *font, const char *s, u8g_uint_t *x, u8g_uint_t *y, u8g_uint_t *width, u8g_uint_t *height);
iforce2d 0:972874f31c98 81
iforce2d 0:972874f31c98 82 /* procedures */
iforce2d 0:972874f31c98 83
iforce2d 0:972874f31c98 84 /*========================================================================*/
iforce2d 0:972874f31c98 85 /* low level byte and word access */
iforce2d 0:972874f31c98 86
iforce2d 0:972874f31c98 87 /* removed NOINLINE, because it leads to smaller code, might also be faster */
iforce2d 0:972874f31c98 88 //static uint8_t u8g_font_get_byte(const u8g_fntpgm_uint8_t *font, uint8_t offset) U8G_NOINLINE;
iforce2d 0:972874f31c98 89 static uint8_t u8g_font_get_byte(const u8g_fntpgm_uint8_t *font, uint8_t offset)
iforce2d 0:972874f31c98 90 {
iforce2d 0:972874f31c98 91 font += offset;
iforce2d 0:972874f31c98 92 return u8g_pgm_read( (u8g_pgm_uint8_t *)font );
iforce2d 0:972874f31c98 93 }
iforce2d 0:972874f31c98 94
iforce2d 0:972874f31c98 95 static uint16_t u8g_font_get_word(const u8g_fntpgm_uint8_t *font, uint8_t offset) U8G_NOINLINE;
iforce2d 0:972874f31c98 96 static uint16_t u8g_font_get_word(const u8g_fntpgm_uint8_t *font, uint8_t offset)
iforce2d 0:972874f31c98 97 {
iforce2d 0:972874f31c98 98 uint16_t pos;
iforce2d 0:972874f31c98 99 font += offset;
iforce2d 0:972874f31c98 100 pos = u8g_pgm_read( (u8g_pgm_uint8_t *)font );
iforce2d 0:972874f31c98 101 font++;
iforce2d 0:972874f31c98 102 pos <<= 8;
iforce2d 0:972874f31c98 103 pos += u8g_pgm_read( (u8g_pgm_uint8_t *)font);
iforce2d 0:972874f31c98 104 return pos;
iforce2d 0:972874f31c98 105 }
iforce2d 0:972874f31c98 106
iforce2d 0:972874f31c98 107 /*========================================================================*/
iforce2d 0:972874f31c98 108 /* direct access on the font */
iforce2d 0:972874f31c98 109
iforce2d 0:972874f31c98 110 static uint8_t u8g_font_GetFormat(const u8g_fntpgm_uint8_t *font) U8G_NOINLINE;
iforce2d 0:972874f31c98 111 static uint8_t u8g_font_GetFormat(const u8g_fntpgm_uint8_t *font)
iforce2d 0:972874f31c98 112 {
iforce2d 0:972874f31c98 113 return u8g_font_get_byte(font, 0);
iforce2d 0:972874f31c98 114 }
iforce2d 0:972874f31c98 115
iforce2d 0:972874f31c98 116 static uint8_t u8g_font_GetFontGlyphStructureSize(const u8g_fntpgm_uint8_t *font) U8G_NOINLINE;
iforce2d 0:972874f31c98 117 static uint8_t u8g_font_GetFontGlyphStructureSize(const u8g_fntpgm_uint8_t *font)
iforce2d 0:972874f31c98 118 {
iforce2d 0:972874f31c98 119 switch(u8g_font_GetFormat(font))
iforce2d 0:972874f31c98 120 {
iforce2d 0:972874f31c98 121 case 0: return 6;
iforce2d 0:972874f31c98 122 case 1: return 3;
iforce2d 0:972874f31c98 123 case 2: return 6;
iforce2d 0:972874f31c98 124 }
iforce2d 0:972874f31c98 125 return 3;
iforce2d 0:972874f31c98 126 }
iforce2d 0:972874f31c98 127
iforce2d 0:972874f31c98 128 static uint8_t u8g_font_GetBBXWidth(const void *font)
iforce2d 0:972874f31c98 129 {
iforce2d 0:972874f31c98 130 return u8g_font_get_byte(font, 1);
iforce2d 0:972874f31c98 131 }
iforce2d 0:972874f31c98 132
iforce2d 0:972874f31c98 133 static uint8_t u8g_font_GetBBXHeight(const void *font)
iforce2d 0:972874f31c98 134 {
iforce2d 0:972874f31c98 135 return u8g_font_get_byte(font, 2);
iforce2d 0:972874f31c98 136 }
iforce2d 0:972874f31c98 137
iforce2d 0:972874f31c98 138 static int8_t u8g_font_GetBBXOffX(const void *font)
iforce2d 0:972874f31c98 139 {
iforce2d 0:972874f31c98 140 return u8g_font_get_byte(font, 3);
iforce2d 0:972874f31c98 141 }
iforce2d 0:972874f31c98 142
iforce2d 0:972874f31c98 143 static int8_t u8g_font_GetBBXOffY(const void *font)
iforce2d 0:972874f31c98 144 {
iforce2d 0:972874f31c98 145 return u8g_font_get_byte(font, 4);
iforce2d 0:972874f31c98 146 }
iforce2d 0:972874f31c98 147
iforce2d 0:972874f31c98 148 uint8_t u8g_font_GetCapitalAHeight(const void *font)
iforce2d 0:972874f31c98 149 {
iforce2d 0:972874f31c98 150 return u8g_font_get_byte(font, 5);
iforce2d 0:972874f31c98 151 }
iforce2d 0:972874f31c98 152
iforce2d 0:972874f31c98 153 uint16_t u8g_font_GetEncoding65Pos(const void *font) U8G_NOINLINE;
iforce2d 0:972874f31c98 154 uint16_t u8g_font_GetEncoding65Pos(const void *font)
iforce2d 0:972874f31c98 155 {
iforce2d 0:972874f31c98 156 return u8g_font_get_word(font, 6);
iforce2d 0:972874f31c98 157 }
iforce2d 0:972874f31c98 158
iforce2d 0:972874f31c98 159 uint16_t u8g_font_GetEncoding97Pos(const void *font) U8G_NOINLINE;
iforce2d 0:972874f31c98 160 uint16_t u8g_font_GetEncoding97Pos(const void *font)
iforce2d 0:972874f31c98 161 {
iforce2d 0:972874f31c98 162 return u8g_font_get_word(font, 8);
iforce2d 0:972874f31c98 163 }
iforce2d 0:972874f31c98 164
iforce2d 0:972874f31c98 165 uint8_t u8g_font_GetFontStartEncoding(const void *font)
iforce2d 0:972874f31c98 166 {
iforce2d 0:972874f31c98 167 return u8g_font_get_byte(font, 10);
iforce2d 0:972874f31c98 168 }
iforce2d 0:972874f31c98 169
iforce2d 0:972874f31c98 170 uint8_t u8g_font_GetFontEndEncoding(const void *font)
iforce2d 0:972874f31c98 171 {
iforce2d 0:972874f31c98 172 return u8g_font_get_byte(font, 11);
iforce2d 0:972874f31c98 173 }
iforce2d 0:972874f31c98 174
iforce2d 0:972874f31c98 175 int8_t u8g_font_GetLowerGDescent(const void *font)
iforce2d 0:972874f31c98 176 {
iforce2d 0:972874f31c98 177 return u8g_font_get_byte(font, 12);
iforce2d 0:972874f31c98 178 }
iforce2d 0:972874f31c98 179
iforce2d 0:972874f31c98 180 int8_t u8g_font_GetFontAscent(const void *font)
iforce2d 0:972874f31c98 181 {
iforce2d 0:972874f31c98 182 return u8g_font_get_byte(font, 13);
iforce2d 0:972874f31c98 183 }
iforce2d 0:972874f31c98 184
iforce2d 0:972874f31c98 185 int8_t u8g_font_GetFontDescent(const void *font)
iforce2d 0:972874f31c98 186 {
iforce2d 0:972874f31c98 187 return u8g_font_get_byte(font, 14);
iforce2d 0:972874f31c98 188 }
iforce2d 0:972874f31c98 189
iforce2d 0:972874f31c98 190 int8_t u8g_font_GetFontXAscent(const void *font)
iforce2d 0:972874f31c98 191 {
iforce2d 0:972874f31c98 192 return u8g_font_get_byte(font, 15);
iforce2d 0:972874f31c98 193 }
iforce2d 0:972874f31c98 194
iforce2d 0:972874f31c98 195 int8_t u8g_font_GetFontXDescent(const void *font)
iforce2d 0:972874f31c98 196 {
iforce2d 0:972874f31c98 197 return u8g_font_get_byte(font, 16);
iforce2d 0:972874f31c98 198 }
iforce2d 0:972874f31c98 199
iforce2d 0:972874f31c98 200
iforce2d 0:972874f31c98 201 /* return the data start for a font and the glyph pointer */
iforce2d 0:972874f31c98 202 static uint8_t *u8g_font_GetGlyphDataStart(const void *font, u8g_glyph_t g)
iforce2d 0:972874f31c98 203 {
iforce2d 0:972874f31c98 204 return ((u8g_fntpgm_uint8_t *)g) + u8g_font_GetFontGlyphStructureSize(font);
iforce2d 0:972874f31c98 205 }
iforce2d 0:972874f31c98 206
iforce2d 0:972874f31c98 207 /* calculate the overall length of the font, only used to create the picture for the google wiki */
iforce2d 0:972874f31c98 208 size_t u8g_font_GetSize(const void *font)
iforce2d 0:972874f31c98 209 {
iforce2d 0:972874f31c98 210 uint8_t *p = (uint8_t *)(font);
iforce2d 0:972874f31c98 211 uint8_t font_format = u8g_font_GetFormat(font);
iforce2d 0:972874f31c98 212 uint8_t data_structure_size = u8g_font_GetFontGlyphStructureSize(font);
iforce2d 0:972874f31c98 213 uint8_t start, end;
iforce2d 0:972874f31c98 214 uint8_t i;
iforce2d 0:972874f31c98 215 uint8_t mask = 255;
iforce2d 0:972874f31c98 216
iforce2d 0:972874f31c98 217 start = u8g_font_GetFontStartEncoding(font);
iforce2d 0:972874f31c98 218 end = u8g_font_GetFontEndEncoding(font);
iforce2d 0:972874f31c98 219
iforce2d 0:972874f31c98 220 if ( font_format == 1 )
iforce2d 0:972874f31c98 221 mask = 15;
iforce2d 0:972874f31c98 222
iforce2d 0:972874f31c98 223 p += U8G_FONT_DATA_STRUCT_SIZE; /* skip font general information */
iforce2d 0:972874f31c98 224
iforce2d 0:972874f31c98 225 i = start;
iforce2d 0:972874f31c98 226 for(;;)
iforce2d 0:972874f31c98 227 {
iforce2d 0:972874f31c98 228 if ( u8g_pgm_read((u8g_pgm_uint8_t *)(p)) == 255 )
iforce2d 0:972874f31c98 229 {
iforce2d 0:972874f31c98 230 p += 1;
iforce2d 0:972874f31c98 231 }
iforce2d 0:972874f31c98 232 else
iforce2d 0:972874f31c98 233 {
iforce2d 0:972874f31c98 234 p += u8g_pgm_read( ((u8g_pgm_uint8_t *)(p)) + 2 ) & mask;
iforce2d 0:972874f31c98 235 p += data_structure_size;
iforce2d 0:972874f31c98 236 }
iforce2d 0:972874f31c98 237 if ( i == end )
iforce2d 0:972874f31c98 238 break;
iforce2d 0:972874f31c98 239 i++;
iforce2d 0:972874f31c98 240 }
iforce2d 0:972874f31c98 241
iforce2d 0:972874f31c98 242 return p - (uint8_t *)font;
iforce2d 0:972874f31c98 243 }
iforce2d 0:972874f31c98 244
iforce2d 0:972874f31c98 245 /*========================================================================*/
iforce2d 0:972874f31c98 246 /* u8g interface, font access */
iforce2d 0:972874f31c98 247
iforce2d 0:972874f31c98 248 uint8_t u8g_GetFontBBXWidth(u8g_t *u8g)
iforce2d 0:972874f31c98 249 {
iforce2d 0:972874f31c98 250 return u8g_font_GetBBXWidth(u8g->font);
iforce2d 0:972874f31c98 251 }
iforce2d 0:972874f31c98 252
iforce2d 0:972874f31c98 253 uint8_t u8g_GetFontBBXHeight(u8g_t *u8g)
iforce2d 0:972874f31c98 254 {
iforce2d 0:972874f31c98 255 return u8g_font_GetBBXHeight(u8g->font);
iforce2d 0:972874f31c98 256 }
iforce2d 0:972874f31c98 257
iforce2d 0:972874f31c98 258 int8_t u8g_GetFontBBXOffX(u8g_t *u8g) U8G_NOINLINE;
iforce2d 0:972874f31c98 259 int8_t u8g_GetFontBBXOffX(u8g_t *u8g)
iforce2d 0:972874f31c98 260 {
iforce2d 0:972874f31c98 261 return u8g_font_GetBBXOffX(u8g->font);
iforce2d 0:972874f31c98 262 }
iforce2d 0:972874f31c98 263
iforce2d 0:972874f31c98 264 int8_t u8g_GetFontBBXOffY(u8g_t *u8g) U8G_NOINLINE;
iforce2d 0:972874f31c98 265 int8_t u8g_GetFontBBXOffY(u8g_t *u8g)
iforce2d 0:972874f31c98 266 {
iforce2d 0:972874f31c98 267 return u8g_font_GetBBXOffY(u8g->font);
iforce2d 0:972874f31c98 268 }
iforce2d 0:972874f31c98 269
iforce2d 0:972874f31c98 270 uint8_t u8g_GetFontCapitalAHeight(u8g_t *u8g) U8G_NOINLINE;
iforce2d 0:972874f31c98 271 uint8_t u8g_GetFontCapitalAHeight(u8g_t *u8g)
iforce2d 0:972874f31c98 272 {
iforce2d 0:972874f31c98 273 return u8g_font_GetCapitalAHeight(u8g->font);
iforce2d 0:972874f31c98 274 }
iforce2d 0:972874f31c98 275
iforce2d 0:972874f31c98 276 /*========================================================================*/
iforce2d 0:972874f31c98 277 /* glyph handling */
iforce2d 0:972874f31c98 278
iforce2d 0:972874f31c98 279 static void u8g_CopyGlyphDataToCache(u8g_t *u8g, u8g_glyph_t g)
iforce2d 0:972874f31c98 280 {
iforce2d 0:972874f31c98 281 uint8_t tmp;
iforce2d 0:972874f31c98 282 switch( u8g_font_GetFormat(u8g->font) )
iforce2d 0:972874f31c98 283 {
iforce2d 0:972874f31c98 284 case 0:
iforce2d 0:972874f31c98 285 case 2:
iforce2d 0:972874f31c98 286 /*
iforce2d 0:972874f31c98 287 format 0
iforce2d 0:972874f31c98 288 glyph information
iforce2d 0:972874f31c98 289 offset
iforce2d 0:972874f31c98 290 0 BBX width unsigned
iforce2d 0:972874f31c98 291 1 BBX height unsigned
iforce2d 0:972874f31c98 292 2 data size unsigned (BBX width + 7)/8 * BBX height
iforce2d 0:972874f31c98 293 3 DWIDTH signed
iforce2d 0:972874f31c98 294 4 BBX xoffset signed
iforce2d 0:972874f31c98 295 5 BBX yoffset signed
iforce2d 0:972874f31c98 296 byte 0 == 255 indicates empty glyph
iforce2d 0:972874f31c98 297 */
iforce2d 0:972874f31c98 298 u8g->glyph_width = u8g_pgm_read( ((u8g_pgm_uint8_t *)g) + 0 );
iforce2d 0:972874f31c98 299 u8g->glyph_height = u8g_pgm_read( ((u8g_pgm_uint8_t *)g) + 1 );
iforce2d 0:972874f31c98 300 u8g->glyph_dx = u8g_pgm_read( ((u8g_pgm_uint8_t *)g) + 3 );
iforce2d 0:972874f31c98 301 u8g->glyph_x = u8g_pgm_read( ((u8g_pgm_uint8_t *)g) + 4 );
iforce2d 0:972874f31c98 302 u8g->glyph_y = u8g_pgm_read( ((u8g_pgm_uint8_t *)g) + 5 );
iforce2d 0:972874f31c98 303 break;
iforce2d 0:972874f31c98 304 case 1:
iforce2d 0:972874f31c98 305 default:
iforce2d 0:972874f31c98 306 /*
iforce2d 0:972874f31c98 307 format 1
iforce2d 0:972874f31c98 308 0 BBX xoffset signed --> upper 4 Bit
iforce2d 0:972874f31c98 309 0 BBX yoffset signed --> lower 4 Bit
iforce2d 0:972874f31c98 310 1 BBX width unsigned --> upper 4 Bit
iforce2d 0:972874f31c98 311 1 BBX height unsigned --> lower 4 Bit
iforce2d 0:972874f31c98 312 2 data size unsigned -(BBX width + 7)/8 * BBX height --> lower 4 Bit
iforce2d 0:972874f31c98 313 2 DWIDTH signed --> upper 4 Bit
iforce2d 0:972874f31c98 314 byte 0 == 255 indicates empty glyph
iforce2d 0:972874f31c98 315 */
iforce2d 0:972874f31c98 316
iforce2d 0:972874f31c98 317 tmp = u8g_pgm_read( ((u8g_pgm_uint8_t *)g) + 0 );
iforce2d 0:972874f31c98 318 u8g->glyph_y = tmp & 15;
iforce2d 0:972874f31c98 319 u8g->glyph_y-=2;
iforce2d 0:972874f31c98 320 tmp >>= 4;
iforce2d 0:972874f31c98 321 u8g->glyph_x = tmp;
iforce2d 0:972874f31c98 322
iforce2d 0:972874f31c98 323 tmp = u8g_pgm_read( ((u8g_pgm_uint8_t *)g) + 1 );
iforce2d 0:972874f31c98 324 u8g->glyph_height = tmp & 15;
iforce2d 0:972874f31c98 325 tmp >>= 4;
iforce2d 0:972874f31c98 326 u8g->glyph_width = tmp;
iforce2d 0:972874f31c98 327
iforce2d 0:972874f31c98 328 tmp = u8g_pgm_read( ((u8g_pgm_uint8_t *)g) + 2 );
iforce2d 0:972874f31c98 329 tmp >>= 4;
iforce2d 0:972874f31c98 330 u8g->glyph_dx = tmp;
iforce2d 0:972874f31c98 331
iforce2d 0:972874f31c98 332
iforce2d 0:972874f31c98 333 break;
iforce2d 0:972874f31c98 334 }
iforce2d 0:972874f31c98 335 }
iforce2d 0:972874f31c98 336
iforce2d 0:972874f31c98 337 //void u8g_FillEmptyGlyphCache(u8g_t *u8g) U8G_NOINLINE;
iforce2d 0:972874f31c98 338 static void u8g_FillEmptyGlyphCache(u8g_t *u8g)
iforce2d 0:972874f31c98 339 {
iforce2d 0:972874f31c98 340 u8g->glyph_dx = 0;
iforce2d 0:972874f31c98 341 u8g->glyph_width = 0;
iforce2d 0:972874f31c98 342 u8g->glyph_height = 0;
iforce2d 0:972874f31c98 343 u8g->glyph_x = 0;
iforce2d 0:972874f31c98 344 u8g->glyph_y = 0;
iforce2d 0:972874f31c98 345 }
iforce2d 0:972874f31c98 346
iforce2d 0:972874f31c98 347 /*
iforce2d 0:972874f31c98 348 Find (with some speed optimization) and return a pointer to the glyph data structure
iforce2d 0:972874f31c98 349 Also uncompress (format 1) and copy the content of the data structure to the u8g structure
iforce2d 0:972874f31c98 350 */
iforce2d 0:972874f31c98 351 u8g_glyph_t u8g_GetGlyph(u8g_t *u8g, uint8_t requested_encoding)
iforce2d 0:972874f31c98 352 {
iforce2d 0:972874f31c98 353 uint8_t *p = (uint8_t *)(u8g->font);
iforce2d 0:972874f31c98 354 uint8_t font_format = u8g_font_GetFormat(u8g->font);
iforce2d 0:972874f31c98 355 uint8_t data_structure_size = u8g_font_GetFontGlyphStructureSize(u8g->font);
iforce2d 0:972874f31c98 356 uint8_t start, end;
iforce2d 0:972874f31c98 357 uint16_t pos;
iforce2d 0:972874f31c98 358 uint8_t i;
iforce2d 0:972874f31c98 359 uint8_t mask = 255;
iforce2d 0:972874f31c98 360
iforce2d 0:972874f31c98 361 if ( font_format == 1 )
iforce2d 0:972874f31c98 362 mask = 15;
iforce2d 0:972874f31c98 363
iforce2d 0:972874f31c98 364 start = u8g_font_GetFontStartEncoding(u8g->font);
iforce2d 0:972874f31c98 365 end = u8g_font_GetFontEndEncoding(u8g->font);
iforce2d 0:972874f31c98 366
iforce2d 0:972874f31c98 367 pos = u8g_font_GetEncoding97Pos(u8g->font);
iforce2d 0:972874f31c98 368 if ( requested_encoding >= 97 && pos > 0 )
iforce2d 0:972874f31c98 369 {
iforce2d 0:972874f31c98 370 p+= pos;
iforce2d 0:972874f31c98 371 start = 97;
iforce2d 0:972874f31c98 372 }
iforce2d 0:972874f31c98 373 else
iforce2d 0:972874f31c98 374 {
iforce2d 0:972874f31c98 375 pos = u8g_font_GetEncoding65Pos(u8g->font);
iforce2d 0:972874f31c98 376 if ( requested_encoding >= 65 && pos > 0 )
iforce2d 0:972874f31c98 377 {
iforce2d 0:972874f31c98 378 p+= pos;
iforce2d 0:972874f31c98 379 start = 65;
iforce2d 0:972874f31c98 380 }
iforce2d 0:972874f31c98 381 else
iforce2d 0:972874f31c98 382 p += U8G_FONT_DATA_STRUCT_SIZE; /* skip font general information */
iforce2d 0:972874f31c98 383 }
iforce2d 0:972874f31c98 384
iforce2d 0:972874f31c98 385 if ( requested_encoding > end )
iforce2d 0:972874f31c98 386 {
iforce2d 0:972874f31c98 387 u8g_FillEmptyGlyphCache(u8g);
iforce2d 0:972874f31c98 388 return NULL; /* not found */
iforce2d 0:972874f31c98 389 }
iforce2d 0:972874f31c98 390
iforce2d 0:972874f31c98 391 i = start;
iforce2d 0:972874f31c98 392 if ( i <= end )
iforce2d 0:972874f31c98 393 {
iforce2d 0:972874f31c98 394 for(;;)
iforce2d 0:972874f31c98 395 {
iforce2d 0:972874f31c98 396 if ( u8g_pgm_read((u8g_pgm_uint8_t *)(p)) == 255 )
iforce2d 0:972874f31c98 397 {
iforce2d 0:972874f31c98 398 p += 1;
iforce2d 0:972874f31c98 399 }
iforce2d 0:972874f31c98 400 else
iforce2d 0:972874f31c98 401 {
iforce2d 0:972874f31c98 402 if ( i == requested_encoding )
iforce2d 0:972874f31c98 403 {
iforce2d 0:972874f31c98 404 u8g_CopyGlyphDataToCache(u8g, p);
iforce2d 0:972874f31c98 405 return p;
iforce2d 0:972874f31c98 406 }
iforce2d 0:972874f31c98 407 p += u8g_pgm_read( ((u8g_pgm_uint8_t *)(p)) + 2 ) & mask;
iforce2d 0:972874f31c98 408 p += data_structure_size;
iforce2d 0:972874f31c98 409 }
iforce2d 0:972874f31c98 410 if ( i == end )
iforce2d 0:972874f31c98 411 break;
iforce2d 0:972874f31c98 412 i++;
iforce2d 0:972874f31c98 413 }
iforce2d 0:972874f31c98 414 }
iforce2d 0:972874f31c98 415
iforce2d 0:972874f31c98 416 u8g_FillEmptyGlyphCache(u8g);
iforce2d 0:972874f31c98 417
iforce2d 0:972874f31c98 418 return NULL;
iforce2d 0:972874f31c98 419 }
iforce2d 0:972874f31c98 420
iforce2d 0:972874f31c98 421 uint8_t u8g_IsGlyph(u8g_t *u8g, uint8_t requested_encoding)
iforce2d 0:972874f31c98 422 {
iforce2d 0:972874f31c98 423 if ( u8g_GetGlyph(u8g, requested_encoding) != NULL )
iforce2d 0:972874f31c98 424 return 1;
iforce2d 0:972874f31c98 425 return 0;
iforce2d 0:972874f31c98 426 }
iforce2d 0:972874f31c98 427
iforce2d 0:972874f31c98 428 int8_t u8g_GetGlyphDeltaX(u8g_t *u8g, uint8_t requested_encoding)
iforce2d 0:972874f31c98 429 {
iforce2d 0:972874f31c98 430 if ( u8g_GetGlyph(u8g, requested_encoding) == NULL )
iforce2d 0:972874f31c98 431 return 0; /* should never happen, so return something */
iforce2d 0:972874f31c98 432 return u8g->glyph_dx;
iforce2d 0:972874f31c98 433 }
iforce2d 0:972874f31c98 434
iforce2d 0:972874f31c98 435
iforce2d 0:972874f31c98 436 /*========================================================================*/
iforce2d 0:972874f31c98 437 /* glyph drawing procedures */
iforce2d 0:972874f31c98 438
iforce2d 0:972874f31c98 439 #ifdef OBSOLETE
iforce2d 0:972874f31c98 440 /*
iforce2d 0:972874f31c98 441 Draw a glyph
iforce2d 0:972874f31c98 442 x,y: left baseline position of the glyph
iforce2d 0:972874f31c98 443 */
iforce2d 0:972874f31c98 444 int8_t u8g_DrawGlyphDir(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, uint8_t dir, uint8_t encoding)
iforce2d 0:972874f31c98 445 {
iforce2d 0:972874f31c98 446 u8g_glyph_t g;
iforce2d 0:972874f31c98 447 uint8_t w, h, i, j;
iforce2d 0:972874f31c98 448 const u8g_pgm_uint8_t *data;
iforce2d 0:972874f31c98 449 uint8_t bytes_per_line;
iforce2d 0:972874f31c98 450 u8g_uint_t ix, iy;
iforce2d 0:972874f31c98 451
iforce2d 0:972874f31c98 452 g = u8g_GetGlyph(u8g, encoding);
iforce2d 0:972874f31c98 453 if ( g == NULL )
iforce2d 0:972874f31c98 454 return 0;
iforce2d 0:972874f31c98 455 w = u8g->glyph_width;
iforce2d 0:972874f31c98 456 h = u8g->glyph_height;
iforce2d 0:972874f31c98 457
iforce2d 0:972874f31c98 458 bytes_per_line = w;
iforce2d 0:972874f31c98 459 bytes_per_line += 7;
iforce2d 0:972874f31c98 460 bytes_per_line /= 8;
iforce2d 0:972874f31c98 461
iforce2d 0:972874f31c98 462 data = u8g_font_GetGlyphDataStart(u8g->font, g);
iforce2d 0:972874f31c98 463
iforce2d 0:972874f31c98 464 switch(dir)
iforce2d 0:972874f31c98 465 {
iforce2d 0:972874f31c98 466 case 0:
iforce2d 0:972874f31c98 467 x += u8g->glyph_x;
iforce2d 0:972874f31c98 468 y -= u8g->glyph_y;
iforce2d 0:972874f31c98 469 y--;
iforce2d 0:972874f31c98 470 //u8g_DrawFrame(u8g, x, y-h+1, w, h);
iforce2d 0:972874f31c98 471 if ( u8g_IsBBXIntersection(u8g, x, y-h+1, w, h) == 0 )
iforce2d 0:972874f31c98 472 return u8g->glyph_dx;
iforce2d 0:972874f31c98 473
iforce2d 0:972874f31c98 474 iy = y;
iforce2d 0:972874f31c98 475 iy -= h;
iforce2d 0:972874f31c98 476 iy++;
iforce2d 0:972874f31c98 477
iforce2d 0:972874f31c98 478 for( j = 0; j < h; j++ )
iforce2d 0:972874f31c98 479 {
iforce2d 0:972874f31c98 480 ix = x;
iforce2d 0:972874f31c98 481 for( i = 0; i < bytes_per_line; i++ )
iforce2d 0:972874f31c98 482 {
iforce2d 0:972874f31c98 483 u8g_Draw8Pixel(u8g, ix, iy, dir, u8g_pgm_read(data));
iforce2d 0:972874f31c98 484 data++;
iforce2d 0:972874f31c98 485 ix+=8;
iforce2d 0:972874f31c98 486 }
iforce2d 0:972874f31c98 487 iy++;
iforce2d 0:972874f31c98 488 }
iforce2d 0:972874f31c98 489 break;
iforce2d 0:972874f31c98 490 case 1:
iforce2d 0:972874f31c98 491 x += u8g->glyph_y;
iforce2d 0:972874f31c98 492 x++;
iforce2d 0:972874f31c98 493 y += u8g->glyph_x;
iforce2d 0:972874f31c98 494 //printf("enc %d, dir %d, x %d, y %d, w %d, h %d\n", encoding, dir, x, y, w, h);
iforce2d 0:972874f31c98 495 //u8g_DrawFrame(u8g, x, y, h, w);
iforce2d 0:972874f31c98 496 if ( u8g_IsBBXIntersection(u8g, x, y, h, w) == 0 )
iforce2d 0:972874f31c98 497 return u8g->glyph_dx;
iforce2d 0:972874f31c98 498
iforce2d 0:972874f31c98 499 ix = x;
iforce2d 0:972874f31c98 500 ix += h;
iforce2d 0:972874f31c98 501 ix--;
iforce2d 0:972874f31c98 502 for( j = 0; j < h; j++ )
iforce2d 0:972874f31c98 503 {
iforce2d 0:972874f31c98 504 iy = y;
iforce2d 0:972874f31c98 505 for( i = 0; i < bytes_per_line; i++ )
iforce2d 0:972874f31c98 506 {
iforce2d 0:972874f31c98 507 u8g_Draw8Pixel(u8g, ix, iy, dir, u8g_pgm_read(data));
iforce2d 0:972874f31c98 508 data++;
iforce2d 0:972874f31c98 509 iy+=8;
iforce2d 0:972874f31c98 510 }
iforce2d 0:972874f31c98 511 ix--;
iforce2d 0:972874f31c98 512 }
iforce2d 0:972874f31c98 513 break;
iforce2d 0:972874f31c98 514 case 2:
iforce2d 0:972874f31c98 515 x -= u8g->glyph_x;
iforce2d 0:972874f31c98 516 y += u8g->glyph_y;
iforce2d 0:972874f31c98 517 y++;
iforce2d 0:972874f31c98 518 if ( u8g_IsBBXIntersection(u8g, x-w-1, y, w, h) == 0 )
iforce2d 0:972874f31c98 519 return u8g->glyph_dx;
iforce2d 0:972874f31c98 520
iforce2d 0:972874f31c98 521 iy = y;
iforce2d 0:972874f31c98 522 iy += h;
iforce2d 0:972874f31c98 523 iy--;
iforce2d 0:972874f31c98 524 for( j = 0; j < h; j++ )
iforce2d 0:972874f31c98 525 {
iforce2d 0:972874f31c98 526 ix = x;
iforce2d 0:972874f31c98 527 for( i = 0; i < bytes_per_line; i++ )
iforce2d 0:972874f31c98 528 {
iforce2d 0:972874f31c98 529 u8g_Draw8Pixel(u8g, ix, iy, dir, u8g_pgm_read(data));
iforce2d 0:972874f31c98 530 data++;
iforce2d 0:972874f31c98 531 ix-=8;
iforce2d 0:972874f31c98 532 }
iforce2d 0:972874f31c98 533 iy--;
iforce2d 0:972874f31c98 534 }
iforce2d 0:972874f31c98 535 break;
iforce2d 0:972874f31c98 536 case 3:
iforce2d 0:972874f31c98 537 x -= u8g->glyph_y;
iforce2d 0:972874f31c98 538 x--;
iforce2d 0:972874f31c98 539 y -= u8g->glyph_x;
iforce2d 0:972874f31c98 540
iforce2d 0:972874f31c98 541 if ( u8g_IsBBXIntersection(u8g, x-h-1, y-w-1, h, w) == 0 )
iforce2d 0:972874f31c98 542 return u8g->glyph_dx;
iforce2d 0:972874f31c98 543
iforce2d 0:972874f31c98 544 ix = x;
iforce2d 0:972874f31c98 545 ix -= h;
iforce2d 0:972874f31c98 546 ix++;
iforce2d 0:972874f31c98 547
iforce2d 0:972874f31c98 548 for( j = 0; j < h; j++ )
iforce2d 0:972874f31c98 549 {
iforce2d 0:972874f31c98 550 iy = y;
iforce2d 0:972874f31c98 551 for( i = 0; i < bytes_per_line; i++ )
iforce2d 0:972874f31c98 552 {
iforce2d 0:972874f31c98 553 u8g_Draw8Pixel(u8g, ix, iy, dir, u8g_pgm_read(data));
iforce2d 0:972874f31c98 554 data++;
iforce2d 0:972874f31c98 555 iy-=8;
iforce2d 0:972874f31c98 556 }
iforce2d 0:972874f31c98 557 ix++;
iforce2d 0:972874f31c98 558 }
iforce2d 0:972874f31c98 559 break;
iforce2d 0:972874f31c98 560 }
iforce2d 0:972874f31c98 561 return u8g->glyph_dx;
iforce2d 0:972874f31c98 562 }
iforce2d 0:972874f31c98 563 #endif
iforce2d 0:972874f31c98 564
iforce2d 0:972874f31c98 565 int8_t u8g_draw_glyph(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, uint8_t encoding)
iforce2d 0:972874f31c98 566 {
iforce2d 0:972874f31c98 567 const u8g_pgm_uint8_t *data;
iforce2d 0:972874f31c98 568 uint8_t w, h;
iforce2d 0:972874f31c98 569 uint8_t i, j;
iforce2d 0:972874f31c98 570 u8g_uint_t ix, iy;
iforce2d 0:972874f31c98 571
iforce2d 0:972874f31c98 572 {
iforce2d 0:972874f31c98 573 u8g_glyph_t g = u8g_GetGlyph(u8g, encoding);
iforce2d 0:972874f31c98 574 if ( g == NULL )
iforce2d 0:972874f31c98 575 return 0;
iforce2d 0:972874f31c98 576 data = u8g_font_GetGlyphDataStart(u8g->font, g);
iforce2d 0:972874f31c98 577 }
iforce2d 0:972874f31c98 578
iforce2d 0:972874f31c98 579 w = u8g->glyph_width;
iforce2d 0:972874f31c98 580 h = u8g->glyph_height;
iforce2d 0:972874f31c98 581
iforce2d 0:972874f31c98 582 x += u8g->glyph_x;
iforce2d 0:972874f31c98 583 y -= u8g->glyph_y;
iforce2d 0:972874f31c98 584 y--;
iforce2d 0:972874f31c98 585
iforce2d 0:972874f31c98 586 if ( u8g_IsBBXIntersection(u8g, x, y-h+1, w, h) == 0 )
iforce2d 0:972874f31c98 587 return u8g->glyph_dx;
iforce2d 0:972874f31c98 588
iforce2d 0:972874f31c98 589 /* now, w is reused as bytes per line */
iforce2d 0:972874f31c98 590 w += 7;
iforce2d 0:972874f31c98 591 w /= 8;
iforce2d 0:972874f31c98 592
iforce2d 0:972874f31c98 593 iy = y;
iforce2d 0:972874f31c98 594 iy -= h;
iforce2d 0:972874f31c98 595 iy++;
iforce2d 0:972874f31c98 596
iforce2d 0:972874f31c98 597 for( j = 0; j < h; j++ )
iforce2d 0:972874f31c98 598 {
iforce2d 0:972874f31c98 599 ix = x;
iforce2d 0:972874f31c98 600 for( i = 0; i < w; i++ )
iforce2d 0:972874f31c98 601 {
iforce2d 0:972874f31c98 602 u8g_Draw8Pixel(u8g, ix, iy, 0, u8g_pgm_read(data));
iforce2d 0:972874f31c98 603 data++;
iforce2d 0:972874f31c98 604 ix+=8;
iforce2d 0:972874f31c98 605 }
iforce2d 0:972874f31c98 606 iy++;
iforce2d 0:972874f31c98 607 }
iforce2d 0:972874f31c98 608 return u8g->glyph_dx;
iforce2d 0:972874f31c98 609 }
iforce2d 0:972874f31c98 610
iforce2d 0:972874f31c98 611 int8_t u8g_DrawGlyph(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, uint8_t encoding)
iforce2d 0:972874f31c98 612 {
iforce2d 0:972874f31c98 613 y += u8g->font_calc_vref(u8g);
iforce2d 0:972874f31c98 614 return u8g_draw_glyph(u8g, x, y, encoding);
iforce2d 0:972874f31c98 615 }
iforce2d 0:972874f31c98 616
iforce2d 0:972874f31c98 617 int8_t u8g_draw_glyph90(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, uint8_t encoding)
iforce2d 0:972874f31c98 618 {
iforce2d 0:972874f31c98 619 const u8g_pgm_uint8_t *data;
iforce2d 0:972874f31c98 620 uint8_t w, h;
iforce2d 0:972874f31c98 621 uint8_t i, j;
iforce2d 0:972874f31c98 622 u8g_uint_t ix, iy;
iforce2d 0:972874f31c98 623
iforce2d 0:972874f31c98 624 {
iforce2d 0:972874f31c98 625 u8g_glyph_t g = u8g_GetGlyph(u8g, encoding);
iforce2d 0:972874f31c98 626 if ( g == NULL )
iforce2d 0:972874f31c98 627 return 0;
iforce2d 0:972874f31c98 628 data = u8g_font_GetGlyphDataStart(u8g->font, g);
iforce2d 0:972874f31c98 629 }
iforce2d 0:972874f31c98 630
iforce2d 0:972874f31c98 631 w = u8g->glyph_width;
iforce2d 0:972874f31c98 632 h = u8g->glyph_height;
iforce2d 0:972874f31c98 633
iforce2d 0:972874f31c98 634 x += u8g->glyph_y;
iforce2d 0:972874f31c98 635 x++;
iforce2d 0:972874f31c98 636 y += u8g->glyph_x;
iforce2d 0:972874f31c98 637
iforce2d 0:972874f31c98 638 if ( u8g_IsBBXIntersection(u8g, x, y, h, w) == 0 )
iforce2d 0:972874f31c98 639 return u8g->glyph_dx;
iforce2d 0:972874f31c98 640
iforce2d 0:972874f31c98 641 /* now, w is reused as bytes per line */
iforce2d 0:972874f31c98 642 w += 7;
iforce2d 0:972874f31c98 643 w /= 8;
iforce2d 0:972874f31c98 644
iforce2d 0:972874f31c98 645 ix = x;
iforce2d 0:972874f31c98 646 ix += h;
iforce2d 0:972874f31c98 647 ix--;
iforce2d 0:972874f31c98 648 for( j = 0; j < h; j++ )
iforce2d 0:972874f31c98 649 {
iforce2d 0:972874f31c98 650 iy = y;
iforce2d 0:972874f31c98 651 for( i = 0; i < w; i++ )
iforce2d 0:972874f31c98 652 {
iforce2d 0:972874f31c98 653 u8g_Draw8Pixel(u8g, ix, iy, 1, u8g_pgm_read(data));
iforce2d 0:972874f31c98 654 data++;
iforce2d 0:972874f31c98 655 iy+=8;
iforce2d 0:972874f31c98 656 }
iforce2d 0:972874f31c98 657 ix--;
iforce2d 0:972874f31c98 658 }
iforce2d 0:972874f31c98 659 return u8g->glyph_dx;
iforce2d 0:972874f31c98 660 }
iforce2d 0:972874f31c98 661
iforce2d 0:972874f31c98 662 int8_t u8g_DrawGlyph90(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, uint8_t encoding)
iforce2d 0:972874f31c98 663 {
iforce2d 0:972874f31c98 664 x -= u8g->font_calc_vref(u8g);
iforce2d 0:972874f31c98 665 return u8g_draw_glyph90(u8g, x, y, encoding);
iforce2d 0:972874f31c98 666 }
iforce2d 0:972874f31c98 667
iforce2d 0:972874f31c98 668
iforce2d 0:972874f31c98 669 int8_t u8g_draw_glyph180(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, uint8_t encoding)
iforce2d 0:972874f31c98 670 {
iforce2d 0:972874f31c98 671 const u8g_pgm_uint8_t *data;
iforce2d 0:972874f31c98 672 uint8_t w, h;
iforce2d 0:972874f31c98 673 uint8_t i, j;
iforce2d 0:972874f31c98 674 u8g_uint_t ix, iy;
iforce2d 0:972874f31c98 675
iforce2d 0:972874f31c98 676 {
iforce2d 0:972874f31c98 677 u8g_glyph_t g = u8g_GetGlyph(u8g, encoding);
iforce2d 0:972874f31c98 678 if ( g == NULL )
iforce2d 0:972874f31c98 679 return 0;
iforce2d 0:972874f31c98 680 data = u8g_font_GetGlyphDataStart(u8g->font, g);
iforce2d 0:972874f31c98 681 }
iforce2d 0:972874f31c98 682
iforce2d 0:972874f31c98 683 w = u8g->glyph_width;
iforce2d 0:972874f31c98 684 h = u8g->glyph_height;
iforce2d 0:972874f31c98 685
iforce2d 0:972874f31c98 686 x -= u8g->glyph_x;
iforce2d 0:972874f31c98 687 y += u8g->glyph_y;
iforce2d 0:972874f31c98 688 y++;
iforce2d 0:972874f31c98 689
iforce2d 0:972874f31c98 690 if ( u8g_IsBBXIntersection(u8g, x-(w-1), y, w, h) == 0 )
iforce2d 0:972874f31c98 691 return u8g->glyph_dx;
iforce2d 0:972874f31c98 692
iforce2d 0:972874f31c98 693 /* now, w is reused as bytes per line */
iforce2d 0:972874f31c98 694 w += 7;
iforce2d 0:972874f31c98 695 w /= 8;
iforce2d 0:972874f31c98 696
iforce2d 0:972874f31c98 697 iy = y;
iforce2d 0:972874f31c98 698 iy += h;
iforce2d 0:972874f31c98 699 iy--;
iforce2d 0:972874f31c98 700 for( j = 0; j < h; j++ )
iforce2d 0:972874f31c98 701 {
iforce2d 0:972874f31c98 702 ix = x;
iforce2d 0:972874f31c98 703 for( i = 0; i < w; i++ )
iforce2d 0:972874f31c98 704 {
iforce2d 0:972874f31c98 705 u8g_Draw8Pixel(u8g, ix, iy, 2, u8g_pgm_read(data));
iforce2d 0:972874f31c98 706 data++;
iforce2d 0:972874f31c98 707 ix-=8;
iforce2d 0:972874f31c98 708 }
iforce2d 0:972874f31c98 709 iy--;
iforce2d 0:972874f31c98 710 }
iforce2d 0:972874f31c98 711 return u8g->glyph_dx;
iforce2d 0:972874f31c98 712 }
iforce2d 0:972874f31c98 713
iforce2d 0:972874f31c98 714 int8_t u8g_DrawGlyph180(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, uint8_t encoding)
iforce2d 0:972874f31c98 715 {
iforce2d 0:972874f31c98 716 y -= u8g->font_calc_vref(u8g);
iforce2d 0:972874f31c98 717 return u8g_draw_glyph180(u8g, x, y, encoding);
iforce2d 0:972874f31c98 718 }
iforce2d 0:972874f31c98 719
iforce2d 0:972874f31c98 720
iforce2d 0:972874f31c98 721 int8_t u8g_draw_glyph270(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, uint8_t encoding)
iforce2d 0:972874f31c98 722 {
iforce2d 0:972874f31c98 723 const u8g_pgm_uint8_t *data;
iforce2d 0:972874f31c98 724 uint8_t w, h;
iforce2d 0:972874f31c98 725 uint8_t i, j;
iforce2d 0:972874f31c98 726 u8g_uint_t ix, iy;
iforce2d 0:972874f31c98 727
iforce2d 0:972874f31c98 728 {
iforce2d 0:972874f31c98 729 u8g_glyph_t g = u8g_GetGlyph(u8g, encoding);
iforce2d 0:972874f31c98 730 if ( g == NULL )
iforce2d 0:972874f31c98 731 return 0;
iforce2d 0:972874f31c98 732 data = u8g_font_GetGlyphDataStart(u8g->font, g);
iforce2d 0:972874f31c98 733 }
iforce2d 0:972874f31c98 734
iforce2d 0:972874f31c98 735 w = u8g->glyph_width;
iforce2d 0:972874f31c98 736 h = u8g->glyph_height;
iforce2d 0:972874f31c98 737
iforce2d 0:972874f31c98 738 x -= u8g->glyph_y;
iforce2d 0:972874f31c98 739 x--;
iforce2d 0:972874f31c98 740 y -= u8g->glyph_x;
iforce2d 0:972874f31c98 741
iforce2d 0:972874f31c98 742 if ( u8g_IsBBXIntersection(u8g, x-(h-1), y-(w-1), h, w) == 0 )
iforce2d 0:972874f31c98 743 return u8g->glyph_dx;
iforce2d 0:972874f31c98 744
iforce2d 0:972874f31c98 745
iforce2d 0:972874f31c98 746 /* now, w is reused as bytes per line */
iforce2d 0:972874f31c98 747 w += 7;
iforce2d 0:972874f31c98 748 w /= 8;
iforce2d 0:972874f31c98 749
iforce2d 0:972874f31c98 750 ix = x;
iforce2d 0:972874f31c98 751 ix -= h;
iforce2d 0:972874f31c98 752 ix++;
iforce2d 0:972874f31c98 753
iforce2d 0:972874f31c98 754 for( j = 0; j < h; j++ )
iforce2d 0:972874f31c98 755 {
iforce2d 0:972874f31c98 756 iy = y;
iforce2d 0:972874f31c98 757 for( i = 0; i < w; i++ )
iforce2d 0:972874f31c98 758 {
iforce2d 0:972874f31c98 759 u8g_Draw8Pixel(u8g, ix, iy, 3, u8g_pgm_read(data));
iforce2d 0:972874f31c98 760 data++;
iforce2d 0:972874f31c98 761 iy-=8;
iforce2d 0:972874f31c98 762 }
iforce2d 0:972874f31c98 763 ix++;
iforce2d 0:972874f31c98 764 }
iforce2d 0:972874f31c98 765 return u8g->glyph_dx;
iforce2d 0:972874f31c98 766 }
iforce2d 0:972874f31c98 767
iforce2d 0:972874f31c98 768 int8_t u8g_DrawGlyph270(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, uint8_t encoding)
iforce2d 0:972874f31c98 769 {
iforce2d 0:972874f31c98 770 x += u8g->font_calc_vref(u8g);
iforce2d 0:972874f31c98 771 return u8g_draw_glyph270(u8g, x, y, encoding);
iforce2d 0:972874f31c98 772 }
iforce2d 0:972874f31c98 773
iforce2d 0:972874f31c98 774
iforce2d 0:972874f31c98 775
iforce2d 0:972874f31c98 776 #ifdef OBSOLETE
iforce2d 0:972874f31c98 777 /*
iforce2d 0:972874f31c98 778 Draw a glyph
iforce2d 0:972874f31c98 779 x,y: lower left corner of the font bounding box
iforce2d 0:972874f31c98 780 */
iforce2d 0:972874f31c98 781 int8_t u8g_DrawGlyphFontBBX(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, uint8_t dir, uint8_t encoding)
iforce2d 0:972874f31c98 782 {
iforce2d 0:972874f31c98 783 /* TODO: apply "dir" */
iforce2d 0:972874f31c98 784 x -= u8g_GetFontBBXOffX(u8g);
iforce2d 0:972874f31c98 785 y += u8g_GetFontBBXOffY(u8g);
iforce2d 0:972874f31c98 786 return u8g_DrawGlyphDir(u8g, x, y, dir, encoding);
iforce2d 0:972874f31c98 787 }
iforce2d 0:972874f31c98 788 #endif
iforce2d 0:972874f31c98 789
iforce2d 0:972874f31c98 790 /*========================================================================*/
iforce2d 0:972874f31c98 791 /* string drawing procedures */
iforce2d 0:972874f31c98 792
iforce2d 0:972874f31c98 793
iforce2d 0:972874f31c98 794 u8g_uint_t u8g_DrawStr(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, const char *s)
iforce2d 0:972874f31c98 795 {
iforce2d 0:972874f31c98 796 u8g_uint_t t = 0;
iforce2d 0:972874f31c98 797 int8_t d;
iforce2d 0:972874f31c98 798
iforce2d 0:972874f31c98 799 //u8g_uint_t u8g_GetStrWidth(u8g, s);
iforce2d 0:972874f31c98 800 //u8g_font_GetFontAscent(u8g->font)-u8g_font_GetFontDescent(u8g->font);
iforce2d 0:972874f31c98 801
iforce2d 0:972874f31c98 802 y += u8g->font_calc_vref(u8g);
iforce2d 0:972874f31c98 803
iforce2d 0:972874f31c98 804 while( *s != '\0' )
iforce2d 0:972874f31c98 805 {
iforce2d 0:972874f31c98 806 d = u8g_draw_glyph(u8g, x, y, *s);
iforce2d 0:972874f31c98 807 x += d;
iforce2d 0:972874f31c98 808 t += d;
iforce2d 0:972874f31c98 809 s++;
iforce2d 0:972874f31c98 810 }
iforce2d 0:972874f31c98 811 return t;
iforce2d 0:972874f31c98 812 }
iforce2d 0:972874f31c98 813
iforce2d 0:972874f31c98 814 u8g_uint_t u8g_DrawStr90(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, const char *s)
iforce2d 0:972874f31c98 815 {
iforce2d 0:972874f31c98 816 u8g_uint_t t = 0;
iforce2d 0:972874f31c98 817 int8_t d;
iforce2d 0:972874f31c98 818
iforce2d 0:972874f31c98 819 x -= u8g->font_calc_vref(u8g);
iforce2d 0:972874f31c98 820
iforce2d 0:972874f31c98 821 while( *s != '\0' )
iforce2d 0:972874f31c98 822 {
iforce2d 0:972874f31c98 823 d = u8g_draw_glyph90(u8g, x, y, *s);
iforce2d 0:972874f31c98 824 y += d;
iforce2d 0:972874f31c98 825 t += d;
iforce2d 0:972874f31c98 826 s++;
iforce2d 0:972874f31c98 827 }
iforce2d 0:972874f31c98 828 return t;
iforce2d 0:972874f31c98 829 }
iforce2d 0:972874f31c98 830
iforce2d 0:972874f31c98 831 u8g_uint_t u8g_DrawStr180(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, const char *s)
iforce2d 0:972874f31c98 832 {
iforce2d 0:972874f31c98 833 u8g_uint_t t = 0;
iforce2d 0:972874f31c98 834 int8_t d;
iforce2d 0:972874f31c98 835
iforce2d 0:972874f31c98 836 y -= u8g->font_calc_vref(u8g);
iforce2d 0:972874f31c98 837
iforce2d 0:972874f31c98 838 while( *s != '\0' )
iforce2d 0:972874f31c98 839 {
iforce2d 0:972874f31c98 840 d = u8g_draw_glyph180(u8g, x, y, *s);
iforce2d 0:972874f31c98 841 x -= d;
iforce2d 0:972874f31c98 842 t += d;
iforce2d 0:972874f31c98 843 s++;
iforce2d 0:972874f31c98 844 }
iforce2d 0:972874f31c98 845 return t;
iforce2d 0:972874f31c98 846 }
iforce2d 0:972874f31c98 847
iforce2d 0:972874f31c98 848 u8g_uint_t u8g_DrawStr270(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, const char *s)
iforce2d 0:972874f31c98 849 {
iforce2d 0:972874f31c98 850 u8g_uint_t t = 0;
iforce2d 0:972874f31c98 851 int8_t d;
iforce2d 0:972874f31c98 852
iforce2d 0:972874f31c98 853 x += u8g->font_calc_vref(u8g);
iforce2d 0:972874f31c98 854
iforce2d 0:972874f31c98 855 while( *s != '\0' )
iforce2d 0:972874f31c98 856 {
iforce2d 0:972874f31c98 857 d = u8g_draw_glyph270(u8g, x, y, *s);
iforce2d 0:972874f31c98 858 y -= d;
iforce2d 0:972874f31c98 859 t += d;
iforce2d 0:972874f31c98 860 s++;
iforce2d 0:972874f31c98 861 }
iforce2d 0:972874f31c98 862 return t;
iforce2d 0:972874f31c98 863 }
iforce2d 0:972874f31c98 864
iforce2d 0:972874f31c98 865 u8g_uint_t u8g_DrawStrDir(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, uint8_t dir, const char *s)
iforce2d 0:972874f31c98 866 {
iforce2d 0:972874f31c98 867 switch(dir)
iforce2d 0:972874f31c98 868 {
iforce2d 0:972874f31c98 869 case 0:
iforce2d 0:972874f31c98 870 return u8g_DrawStr(u8g, x, y, s);
iforce2d 0:972874f31c98 871 case 1:
iforce2d 0:972874f31c98 872 return u8g_DrawStr90(u8g, x, y, s);
iforce2d 0:972874f31c98 873 case 2:
iforce2d 0:972874f31c98 874 return u8g_DrawStr180(u8g, x, y, s);
iforce2d 0:972874f31c98 875 case 3:
iforce2d 0:972874f31c98 876 return u8g_DrawStr270(u8g, x, y, s);
iforce2d 0:972874f31c98 877 }
iforce2d 0:972874f31c98 878 return 0;
iforce2d 0:972874f31c98 879 }
iforce2d 0:972874f31c98 880
iforce2d 0:972874f31c98 881 u8g_uint_t u8g_DrawStrP(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, const u8g_pgm_uint8_t *s)
iforce2d 0:972874f31c98 882 {
iforce2d 0:972874f31c98 883 u8g_uint_t t = 0;
iforce2d 0:972874f31c98 884 int8_t d;
iforce2d 0:972874f31c98 885 uint8_t c;
iforce2d 0:972874f31c98 886
iforce2d 0:972874f31c98 887 y += u8g->font_calc_vref(u8g);
iforce2d 0:972874f31c98 888
iforce2d 0:972874f31c98 889 for(;;)
iforce2d 0:972874f31c98 890 {
iforce2d 0:972874f31c98 891 c = u8g_pgm_read(s);
iforce2d 0:972874f31c98 892 if ( c == '\0' )
iforce2d 0:972874f31c98 893 break;
iforce2d 0:972874f31c98 894 d = u8g_draw_glyph(u8g, x, y, c);
iforce2d 0:972874f31c98 895 x += d;
iforce2d 0:972874f31c98 896 t += d;
iforce2d 0:972874f31c98 897 s++;
iforce2d 0:972874f31c98 898 }
iforce2d 0:972874f31c98 899 return t;
iforce2d 0:972874f31c98 900 }
iforce2d 0:972874f31c98 901
iforce2d 0:972874f31c98 902 u8g_uint_t u8g_DrawStr90P(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, const u8g_pgm_uint8_t *s)
iforce2d 0:972874f31c98 903 {
iforce2d 0:972874f31c98 904 u8g_uint_t t = 0;
iforce2d 0:972874f31c98 905 int8_t d;
iforce2d 0:972874f31c98 906
iforce2d 0:972874f31c98 907 x -= u8g->font_calc_vref(u8g);
iforce2d 0:972874f31c98 908
iforce2d 0:972874f31c98 909 while( *s != '\0' )
iforce2d 0:972874f31c98 910 {
iforce2d 0:972874f31c98 911 d = u8g_DrawGlyph90(u8g, x, y, u8g_pgm_read(s));
iforce2d 0:972874f31c98 912 y += d;
iforce2d 0:972874f31c98 913 t += d;
iforce2d 0:972874f31c98 914 s++;
iforce2d 0:972874f31c98 915 }
iforce2d 0:972874f31c98 916 return t;
iforce2d 0:972874f31c98 917 }
iforce2d 0:972874f31c98 918
iforce2d 0:972874f31c98 919 u8g_uint_t u8g_DrawStr180P(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, const u8g_pgm_uint8_t *s)
iforce2d 0:972874f31c98 920 {
iforce2d 0:972874f31c98 921 u8g_uint_t t = 0;
iforce2d 0:972874f31c98 922 int8_t d;
iforce2d 0:972874f31c98 923
iforce2d 0:972874f31c98 924 y -= u8g->font_calc_vref(u8g);
iforce2d 0:972874f31c98 925
iforce2d 0:972874f31c98 926 while( *s != '\0' )
iforce2d 0:972874f31c98 927 {
iforce2d 0:972874f31c98 928 d = u8g_DrawGlyph180(u8g, x, y, u8g_pgm_read(s));
iforce2d 0:972874f31c98 929 x -= d;
iforce2d 0:972874f31c98 930 t += d;
iforce2d 0:972874f31c98 931 s++;
iforce2d 0:972874f31c98 932 }
iforce2d 0:972874f31c98 933 return t;
iforce2d 0:972874f31c98 934 }
iforce2d 0:972874f31c98 935
iforce2d 0:972874f31c98 936 u8g_uint_t u8g_DrawStr270P(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, const u8g_pgm_uint8_t *s)
iforce2d 0:972874f31c98 937 {
iforce2d 0:972874f31c98 938 u8g_uint_t t = 0;
iforce2d 0:972874f31c98 939 int8_t d;
iforce2d 0:972874f31c98 940
iforce2d 0:972874f31c98 941 x += u8g->font_calc_vref(u8g);
iforce2d 0:972874f31c98 942
iforce2d 0:972874f31c98 943 while( *s != '\0' )
iforce2d 0:972874f31c98 944 {
iforce2d 0:972874f31c98 945 d = u8g_DrawGlyph270(u8g, x, y, u8g_pgm_read(s));
iforce2d 0:972874f31c98 946 y -= d;
iforce2d 0:972874f31c98 947 t += d;
iforce2d 0:972874f31c98 948 s++;
iforce2d 0:972874f31c98 949 }
iforce2d 0:972874f31c98 950 return t;
iforce2d 0:972874f31c98 951 }
iforce2d 0:972874f31c98 952
iforce2d 0:972874f31c98 953 u8g_uint_t u8g_DrawStrFontBBX(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, uint8_t dir, const char *s)
iforce2d 0:972874f31c98 954 {
iforce2d 0:972874f31c98 955 x -= u8g_GetFontBBXOffX(u8g);
iforce2d 0:972874f31c98 956 y += u8g_GetFontBBXOffY(u8g);
iforce2d 0:972874f31c98 957 return u8g_DrawStrDir(u8g, x, y, dir, s);
iforce2d 0:972874f31c98 958 }
iforce2d 0:972874f31c98 959
iforce2d 0:972874f31c98 960 /* still used by picgen.c, dir argument is ignored */
iforce2d 0:972874f31c98 961 int8_t u8g_DrawGlyphFontBBX(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, uint8_t dir, uint8_t encoding)
iforce2d 0:972874f31c98 962 {
iforce2d 0:972874f31c98 963 x -= u8g_GetFontBBXOffX(u8g);
iforce2d 0:972874f31c98 964 y += u8g_GetFontBBXOffY(u8g);
iforce2d 0:972874f31c98 965 u8g_draw_glyph(u8g, x, y, encoding);
iforce2d 0:972874f31c98 966 return 0;
iforce2d 0:972874f31c98 967 }
iforce2d 0:972874f31c98 968
iforce2d 0:972874f31c98 969
iforce2d 0:972874f31c98 970 /*========================================================================*/
iforce2d 0:972874f31c98 971 /* set ascent/descent for reference point calculation */
iforce2d 0:972874f31c98 972
iforce2d 0:972874f31c98 973 void u8g_UpdateRefHeight(u8g_t *u8g)
iforce2d 0:972874f31c98 974 {
iforce2d 0:972874f31c98 975 uint16_t ls;
iforce2d 0:972874f31c98 976 if ( u8g->font == NULL )
iforce2d 0:972874f31c98 977 return;
iforce2d 0:972874f31c98 978 if ( u8g->font_height_mode == U8G_FONT_HEIGHT_MODE_TEXT )
iforce2d 0:972874f31c98 979 {
iforce2d 0:972874f31c98 980 u8g->font_ref_ascent = u8g_font_GetCapitalAHeight(u8g->font);
iforce2d 0:972874f31c98 981 u8g->font_ref_descent = u8g_font_GetLowerGDescent(u8g->font);
iforce2d 0:972874f31c98 982 }
iforce2d 0:972874f31c98 983 else if ( u8g->font_height_mode == U8G_FONT_HEIGHT_MODE_XTEXT )
iforce2d 0:972874f31c98 984 {
iforce2d 0:972874f31c98 985 u8g->font_ref_ascent = u8g_font_GetFontXAscent(u8g->font);
iforce2d 0:972874f31c98 986 u8g->font_ref_descent = u8g_font_GetFontXDescent(u8g->font);
iforce2d 0:972874f31c98 987 }
iforce2d 0:972874f31c98 988 else
iforce2d 0:972874f31c98 989 {
iforce2d 0:972874f31c98 990 u8g->font_ref_ascent = u8g_font_GetFontAscent(u8g->font);
iforce2d 0:972874f31c98 991 u8g->font_ref_descent = u8g_font_GetFontDescent(u8g->font);
iforce2d 0:972874f31c98 992 }
iforce2d 0:972874f31c98 993
iforce2d 0:972874f31c98 994 ls = u8g->font_ref_ascent - u8g->font_ref_descent;
iforce2d 0:972874f31c98 995 if ( u8g->font_line_spacing_factor != 64 )
iforce2d 0:972874f31c98 996 {
iforce2d 0:972874f31c98 997 ls &= 255;
iforce2d 0:972874f31c98 998 ls *= u8g->font_line_spacing_factor;
iforce2d 0:972874f31c98 999 ls >>= 6;
iforce2d 0:972874f31c98 1000 }
iforce2d 0:972874f31c98 1001 u8g->line_spacing = ls;
iforce2d 0:972874f31c98 1002 }
iforce2d 0:972874f31c98 1003
iforce2d 0:972874f31c98 1004 void u8g_SetFontRefHeightText(u8g_t *u8g)
iforce2d 0:972874f31c98 1005 {
iforce2d 0:972874f31c98 1006 u8g->font_height_mode = U8G_FONT_HEIGHT_MODE_TEXT;
iforce2d 0:972874f31c98 1007 u8g_UpdateRefHeight(u8g);
iforce2d 0:972874f31c98 1008 }
iforce2d 0:972874f31c98 1009
iforce2d 0:972874f31c98 1010 void u8g_SetFontRefHeightExtendedText(u8g_t *u8g)
iforce2d 0:972874f31c98 1011 {
iforce2d 0:972874f31c98 1012 u8g->font_height_mode = U8G_FONT_HEIGHT_MODE_XTEXT;
iforce2d 0:972874f31c98 1013 u8g_UpdateRefHeight(u8g);
iforce2d 0:972874f31c98 1014 }
iforce2d 0:972874f31c98 1015
iforce2d 0:972874f31c98 1016
iforce2d 0:972874f31c98 1017 void u8g_SetFontRefHeightAll(u8g_t *u8g)
iforce2d 0:972874f31c98 1018 {
iforce2d 0:972874f31c98 1019 u8g->font_height_mode = U8G_FONT_HEIGHT_MODE_ALL;
iforce2d 0:972874f31c98 1020 u8g_UpdateRefHeight(u8g);
iforce2d 0:972874f31c98 1021 }
iforce2d 0:972874f31c98 1022
iforce2d 0:972874f31c98 1023 /* factor = 64: linespaceing == ascent and descent */
iforce2d 0:972874f31c98 1024 void u8g_SetFontLineSpacingFactor(u8g_t *u8g, uint8_t factor)
iforce2d 0:972874f31c98 1025 {
iforce2d 0:972874f31c98 1026 u8g->font_line_spacing_factor = factor;
iforce2d 0:972874f31c98 1027 u8g_UpdateRefHeight(u8g);
iforce2d 0:972874f31c98 1028 }
iforce2d 0:972874f31c98 1029
iforce2d 0:972874f31c98 1030
iforce2d 0:972874f31c98 1031
iforce2d 0:972874f31c98 1032 /*========================================================================*/
iforce2d 0:972874f31c98 1033 /* callback procedures to correct the y position */
iforce2d 0:972874f31c98 1034
iforce2d 0:972874f31c98 1035 u8g_uint_t u8g_font_calc_vref_font(u8g_t *u8g)
iforce2d 0:972874f31c98 1036 {
iforce2d 0:972874f31c98 1037 return 0;
iforce2d 0:972874f31c98 1038 }
iforce2d 0:972874f31c98 1039
iforce2d 0:972874f31c98 1040 void u8g_SetFontPosBaseline(u8g_t *u8g)
iforce2d 0:972874f31c98 1041 {
iforce2d 0:972874f31c98 1042 u8g->font_calc_vref = u8g_font_calc_vref_font;
iforce2d 0:972874f31c98 1043 }
iforce2d 0:972874f31c98 1044
iforce2d 0:972874f31c98 1045
iforce2d 0:972874f31c98 1046 u8g_uint_t u8g_font_calc_vref_bottom(u8g_t *u8g)
iforce2d 0:972874f31c98 1047 {
iforce2d 0:972874f31c98 1048 /* y += (u8g_uint_t)(u8g_int_t)(u8g->font_ref_descent); */
iforce2d 0:972874f31c98 1049 return (u8g_uint_t)(u8g_int_t)(u8g->font_ref_descent);
iforce2d 0:972874f31c98 1050 }
iforce2d 0:972874f31c98 1051
iforce2d 0:972874f31c98 1052 void u8g_SetFontPosBottom(u8g_t *u8g)
iforce2d 0:972874f31c98 1053 {
iforce2d 0:972874f31c98 1054 u8g->font_calc_vref = u8g_font_calc_vref_bottom;
iforce2d 0:972874f31c98 1055 }
iforce2d 0:972874f31c98 1056
iforce2d 0:972874f31c98 1057 u8g_uint_t u8g_font_calc_vref_top(u8g_t *u8g)
iforce2d 0:972874f31c98 1058 {
iforce2d 0:972874f31c98 1059 u8g_uint_t tmp;
iforce2d 0:972874f31c98 1060 /* reference pos is one pixel above the upper edge of the reference glyph */
iforce2d 0:972874f31c98 1061
iforce2d 0:972874f31c98 1062 /*
iforce2d 0:972874f31c98 1063 y += (u8g_uint_t)(u8g_int_t)(u8g->font_ref_ascent);
iforce2d 0:972874f31c98 1064 y++;
iforce2d 0:972874f31c98 1065 */
iforce2d 0:972874f31c98 1066 tmp = (u8g_uint_t)(u8g_int_t)(u8g->font_ref_ascent);
iforce2d 0:972874f31c98 1067 tmp++;
iforce2d 0:972874f31c98 1068 return tmp;
iforce2d 0:972874f31c98 1069 }
iforce2d 0:972874f31c98 1070
iforce2d 0:972874f31c98 1071 void u8g_SetFontPosTop(u8g_t *u8g)
iforce2d 0:972874f31c98 1072 {
iforce2d 0:972874f31c98 1073 u8g->font_calc_vref = u8g_font_calc_vref_top;
iforce2d 0:972874f31c98 1074 }
iforce2d 0:972874f31c98 1075
iforce2d 0:972874f31c98 1076 u8g_uint_t u8g_font_calc_vref_center(u8g_t *u8g)
iforce2d 0:972874f31c98 1077 {
iforce2d 0:972874f31c98 1078 int8_t tmp;
iforce2d 0:972874f31c98 1079 tmp = u8g->font_ref_ascent;
iforce2d 0:972874f31c98 1080 tmp -= u8g->font_ref_descent;
iforce2d 0:972874f31c98 1081 tmp /= 2;
iforce2d 0:972874f31c98 1082 tmp += u8g->font_ref_descent;
iforce2d 0:972874f31c98 1083 /* y += (u8g_uint_t)(u8g_int_t)(tmp); */
iforce2d 0:972874f31c98 1084 return tmp;
iforce2d 0:972874f31c98 1085 }
iforce2d 0:972874f31c98 1086
iforce2d 0:972874f31c98 1087 void u8g_SetFontPosCenter(u8g_t *u8g)
iforce2d 0:972874f31c98 1088 {
iforce2d 0:972874f31c98 1089 u8g->font_calc_vref = u8g_font_calc_vref_center;
iforce2d 0:972874f31c98 1090 }
iforce2d 0:972874f31c98 1091
iforce2d 0:972874f31c98 1092 /*========================================================================*/
iforce2d 0:972874f31c98 1093 /* string pixel width calculation */
iforce2d 0:972874f31c98 1094
iforce2d 0:972874f31c98 1095 char u8g_font_get_char(const void *s)
iforce2d 0:972874f31c98 1096 {
iforce2d 0:972874f31c98 1097 return *(const char *)(s);
iforce2d 0:972874f31c98 1098 }
iforce2d 0:972874f31c98 1099
iforce2d 0:972874f31c98 1100 char u8g_font_get_charP(const void *s)
iforce2d 0:972874f31c98 1101 {
iforce2d 0:972874f31c98 1102 return u8g_pgm_read(s);
iforce2d 0:972874f31c98 1103 }
iforce2d 0:972874f31c98 1104
iforce2d 0:972874f31c98 1105 typedef char (*u8g_font_get_char_fn)(const void *s);
iforce2d 0:972874f31c98 1106
iforce2d 0:972874f31c98 1107
iforce2d 0:972874f31c98 1108 u8g_uint_t u8g_font_calc_str_pixel_width(u8g_t *u8g, const char *s, u8g_font_get_char_fn get_char )
iforce2d 0:972874f31c98 1109 {
iforce2d 0:972874f31c98 1110 u8g_uint_t w;
iforce2d 0:972874f31c98 1111 uint8_t enc;
iforce2d 0:972874f31c98 1112
iforce2d 0:972874f31c98 1113 /* reset the total minimal width to zero, this will be expanded during calculation */
iforce2d 0:972874f31c98 1114 w = 0;
iforce2d 0:972874f31c98 1115
iforce2d 0:972874f31c98 1116 enc = get_char(s);
iforce2d 0:972874f31c98 1117
iforce2d 0:972874f31c98 1118 /* check for empty string, width is already 0 */
iforce2d 0:972874f31c98 1119 if ( enc == '\0' )
iforce2d 0:972874f31c98 1120 {
iforce2d 0:972874f31c98 1121 return w;
iforce2d 0:972874f31c98 1122 }
iforce2d 0:972874f31c98 1123
iforce2d 0:972874f31c98 1124 /* get the glyph information of the first char. This must be valid, because we already checked for the empty string */
iforce2d 0:972874f31c98 1125 /* if *s is not inside the font, then the cached parameters of the glyph are all zero */
iforce2d 0:972874f31c98 1126 u8g_GetGlyph(u8g, enc);
iforce2d 0:972874f31c98 1127
iforce2d 0:972874f31c98 1128 /* strlen(s) == 1: width = width(s[0]) */
iforce2d 0:972874f31c98 1129 /* strlen(s) == 2: width = - offx(s[0]) + deltax(s[0]) + offx(s[1]) + width(s[1]) */
iforce2d 0:972874f31c98 1130 /* strlen(s) == 3: width = - offx(s[0]) + deltax(s[0]) + deltax(s[1]) + offx(s[2]) + width(s[2]) */
iforce2d 0:972874f31c98 1131
iforce2d 0:972874f31c98 1132 /* assume that the string has size 2 or more, than start with negative offset-x */
iforce2d 0:972874f31c98 1133 /* for string with size 1, this will be nullified after the loop */
iforce2d 0:972874f31c98 1134 w = -u8g->glyph_x;
iforce2d 0:972874f31c98 1135 for(;;)
iforce2d 0:972874f31c98 1136 {
iforce2d 0:972874f31c98 1137
iforce2d 0:972874f31c98 1138 /* check and stop if the end of the string is reached */
iforce2d 0:972874f31c98 1139 s++;
iforce2d 0:972874f31c98 1140 if ( get_char(s) == '\0' )
iforce2d 0:972874f31c98 1141 break;
iforce2d 0:972874f31c98 1142
iforce2d 0:972874f31c98 1143 /* if there are still more characters, add the delta to the next glyph */
iforce2d 0:972874f31c98 1144 w += u8g->glyph_dx;
iforce2d 0:972874f31c98 1145
iforce2d 0:972874f31c98 1146 /* store the encoding in a local variable, used also after the for(;;) loop */
iforce2d 0:972874f31c98 1147 enc = get_char(s);
iforce2d 0:972874f31c98 1148
iforce2d 0:972874f31c98 1149 /* load the next glyph information */
iforce2d 0:972874f31c98 1150 u8g_GetGlyph(u8g, enc);
iforce2d 0:972874f31c98 1151 }
iforce2d 0:972874f31c98 1152
iforce2d 0:972874f31c98 1153 /* finally calculate the width of the last char */
iforce2d 0:972874f31c98 1154 /* here is another exception, if the last char is a black, use the dx value instead */
iforce2d 0:972874f31c98 1155 if ( enc != ' ' )
iforce2d 0:972874f31c98 1156 {
iforce2d 0:972874f31c98 1157 /* if g was not updated in the for loop (strlen() == 1), then the initial offset x gets removed */
iforce2d 0:972874f31c98 1158 w += u8g->glyph_width;
iforce2d 0:972874f31c98 1159 w += u8g->glyph_x;
iforce2d 0:972874f31c98 1160 }
iforce2d 0:972874f31c98 1161 else
iforce2d 0:972874f31c98 1162 {
iforce2d 0:972874f31c98 1163 w += u8g->glyph_dx;
iforce2d 0:972874f31c98 1164 }
iforce2d 0:972874f31c98 1165
iforce2d 0:972874f31c98 1166
iforce2d 0:972874f31c98 1167 return w;
iforce2d 0:972874f31c98 1168 }
iforce2d 0:972874f31c98 1169
iforce2d 0:972874f31c98 1170 u8g_uint_t u8g_GetStrPixelWidth(u8g_t *u8g, const char *s)
iforce2d 0:972874f31c98 1171 {
iforce2d 0:972874f31c98 1172 return u8g_font_calc_str_pixel_width(u8g, s, u8g_font_get_char);
iforce2d 0:972874f31c98 1173 }
iforce2d 0:972874f31c98 1174
iforce2d 0:972874f31c98 1175 u8g_uint_t u8g_GetStrPixelWidthP(u8g_t *u8g, const u8g_pgm_uint8_t *s)
iforce2d 0:972874f31c98 1176 {
iforce2d 0:972874f31c98 1177 return u8g_font_calc_str_pixel_width(u8g, (const char *)s, u8g_font_get_charP);
iforce2d 0:972874f31c98 1178 }
iforce2d 0:972874f31c98 1179
iforce2d 0:972874f31c98 1180 int8_t u8g_GetStrX(u8g_t *u8g, const char *s)
iforce2d 0:972874f31c98 1181 {
iforce2d 0:972874f31c98 1182 u8g_GetGlyph(u8g, *s);
iforce2d 0:972874f31c98 1183 return u8g->glyph_x;
iforce2d 0:972874f31c98 1184 }
iforce2d 0:972874f31c98 1185
iforce2d 0:972874f31c98 1186 int8_t u8g_GetStrXP(u8g_t *u8g, const u8g_pgm_uint8_t *s)
iforce2d 0:972874f31c98 1187 {
iforce2d 0:972874f31c98 1188 u8g_GetGlyph(u8g, u8g_pgm_read(s));
iforce2d 0:972874f31c98 1189 return u8g->glyph_x;
iforce2d 0:972874f31c98 1190 }
iforce2d 0:972874f31c98 1191
iforce2d 0:972874f31c98 1192 /*========================================================================*/
iforce2d 0:972874f31c98 1193 /* string width calculation */
iforce2d 0:972874f31c98 1194
iforce2d 0:972874f31c98 1195 u8g_uint_t u8g_GetStrWidth(u8g_t *u8g, const char *s)
iforce2d 0:972874f31c98 1196 {
iforce2d 0:972874f31c98 1197 u8g_uint_t w;
iforce2d 0:972874f31c98 1198 uint8_t encoding;
iforce2d 0:972874f31c98 1199
iforce2d 0:972874f31c98 1200 /* reset the total width to zero, this will be expanded during calculation */
iforce2d 0:972874f31c98 1201 w = 0;
iforce2d 0:972874f31c98 1202
iforce2d 0:972874f31c98 1203 for(;;)
iforce2d 0:972874f31c98 1204 {
iforce2d 0:972874f31c98 1205 encoding = *s;
iforce2d 0:972874f31c98 1206 if ( encoding == 0 )
iforce2d 0:972874f31c98 1207 break;
iforce2d 0:972874f31c98 1208
iforce2d 0:972874f31c98 1209 /* load glyph information */
iforce2d 0:972874f31c98 1210 u8g_GetGlyph(u8g, encoding);
iforce2d 0:972874f31c98 1211 w += u8g->glyph_dx;
iforce2d 0:972874f31c98 1212
iforce2d 0:972874f31c98 1213 /* goto next char */
iforce2d 0:972874f31c98 1214 s++;
iforce2d 0:972874f31c98 1215 }
iforce2d 0:972874f31c98 1216
iforce2d 0:972874f31c98 1217 return w;
iforce2d 0:972874f31c98 1218 }
iforce2d 0:972874f31c98 1219
iforce2d 0:972874f31c98 1220
iforce2d 0:972874f31c98 1221 u8g_uint_t u8g_GetStrWidthP(u8g_t *u8g, const u8g_pgm_uint8_t *s)
iforce2d 0:972874f31c98 1222 {
iforce2d 0:972874f31c98 1223 u8g_uint_t w;
iforce2d 0:972874f31c98 1224 uint8_t encoding;
iforce2d 0:972874f31c98 1225
iforce2d 0:972874f31c98 1226 /* reset the total width to zero, this will be expanded during calculation */
iforce2d 0:972874f31c98 1227 w = 0;
iforce2d 0:972874f31c98 1228
iforce2d 0:972874f31c98 1229 for(;;)
iforce2d 0:972874f31c98 1230 {
iforce2d 0:972874f31c98 1231 encoding = u8g_pgm_read(s);
iforce2d 0:972874f31c98 1232 if ( encoding == 0 )
iforce2d 0:972874f31c98 1233 break;
iforce2d 0:972874f31c98 1234
iforce2d 0:972874f31c98 1235 /* load glyph information */
iforce2d 0:972874f31c98 1236 u8g_GetGlyph(u8g, encoding);
iforce2d 0:972874f31c98 1237 w += u8g->glyph_dx;
iforce2d 0:972874f31c98 1238
iforce2d 0:972874f31c98 1239 /* goto next char */
iforce2d 0:972874f31c98 1240 s++;
iforce2d 0:972874f31c98 1241 }
iforce2d 0:972874f31c98 1242
iforce2d 0:972874f31c98 1243 return w;
iforce2d 0:972874f31c98 1244 }
iforce2d 0:972874f31c98 1245
iforce2d 0:972874f31c98 1246
iforce2d 0:972874f31c98 1247 /*========================================================================*/
iforce2d 0:972874f31c98 1248 /* calculation of font/glyph/string characteristics */
iforce2d 0:972874f31c98 1249
iforce2d 0:972874f31c98 1250
iforce2d 0:972874f31c98 1251 /*
iforce2d 0:972874f31c98 1252 Description:
iforce2d 0:972874f31c98 1253 Calculate parameter for the minimal bounding box on a given string
iforce2d 0:972874f31c98 1254 Output
iforce2d 0:972874f31c98 1255 buf->y_min extend of the lower left edge if the string below (y_min<0) or above (y_min>0) baseline (descent)
iforce2d 0:972874f31c98 1256 buf->y_max extend of the upper left edge if the string below (y_min<0) or above (y_min>0) baseline (ascent)
iforce2d 0:972874f31c98 1257 buf->w the width of the string
iforce2d 0:972874f31c98 1258 */
iforce2d 0:972874f31c98 1259 struct u8g_str_size_struct
iforce2d 0:972874f31c98 1260 {
iforce2d 0:972874f31c98 1261 int8_t y_min; /* descent */
iforce2d 0:972874f31c98 1262 int8_t y_max; /* ascent */
iforce2d 0:972874f31c98 1263 int8_t x, y; /* the reference point of the font (negated!) */
iforce2d 0:972874f31c98 1264 u8g_uint_t w; /* width of the overall string */
iforce2d 0:972874f31c98 1265 };
iforce2d 0:972874f31c98 1266 typedef struct u8g_str_size_struct u8g_str_size_t;
iforce2d 0:972874f31c98 1267
iforce2d 0:972874f31c98 1268 static void u8g_font_calc_str_min_box(u8g_t *u8g, const char *s, u8g_str_size_t *buf)
iforce2d 0:972874f31c98 1269 {
iforce2d 0:972874f31c98 1270 /* u8g_glyph_t g; */
iforce2d 0:972874f31c98 1271 int8_t tmp;
iforce2d 0:972874f31c98 1272
iforce2d 0:972874f31c98 1273 /* reset the total minimal width to zero, this will be expanded during calculation */
iforce2d 0:972874f31c98 1274 buf->w = 0;
iforce2d 0:972874f31c98 1275
iforce2d 0:972874f31c98 1276 /* check for empty string, width is already 0, but also reset y_min and y_max to 0 */
iforce2d 0:972874f31c98 1277 if ( *s == '\0' )
iforce2d 0:972874f31c98 1278 {
iforce2d 0:972874f31c98 1279 buf->y_min = 0;
iforce2d 0:972874f31c98 1280 buf->y_max = 0;
iforce2d 0:972874f31c98 1281 buf->x = 0;
iforce2d 0:972874f31c98 1282 buf->y = 0;
iforce2d 0:972874f31c98 1283 return;
iforce2d 0:972874f31c98 1284 }
iforce2d 0:972874f31c98 1285
iforce2d 0:972874f31c98 1286 /* reset y_min to the largest possible value. Later we search for the smallest value */
iforce2d 0:972874f31c98 1287 /* y_min contains the position [pixel] of the lower left edge of the glyph above (y_min>0) or below (y_min<0) baseline */
iforce2d 0:972874f31c98 1288 buf->y_min = 127;
iforce2d 0:972874f31c98 1289 /* reset y_max to the smallest possible value. Later we search for the highest value */
iforce2d 0:972874f31c98 1290 /* y_max contains the position [pixel] of the upper left edge of the glyph above (y_max>0) or below (y_max<0) baseline */
iforce2d 0:972874f31c98 1291 buf->y_max = -128;
iforce2d 0:972874f31c98 1292
iforce2d 0:972874f31c98 1293 /* get the glyph information of the first char. This must be valid, because we already checked for the empty string */
iforce2d 0:972874f31c98 1294 u8g_GetGlyph(u8g, *s);
iforce2d 0:972874f31c98 1295
iforce2d 0:972874f31c98 1296 /* strlen(s) == 1: width = width(s[0]) */
iforce2d 0:972874f31c98 1297 /* strlen(s) == 2: width = - offx(s[0]) + deltax(s[0]) + offx(s[1]) + width(s[1]) */
iforce2d 0:972874f31c98 1298 /* strlen(s) == 3: width = - offx(s[0]) + deltax(s[0]) + deltax(s[1]) + offx(s[2]) + width(s[2]) */
iforce2d 0:972874f31c98 1299
iforce2d 0:972874f31c98 1300 /* assume that the string has size 2 or more, than start with negative offset-x */
iforce2d 0:972874f31c98 1301 /* for string with size 1, this will be nullified after the loop */
iforce2d 0:972874f31c98 1302 // buf->w = - u8g_font_GetGlyphBBXOffX(u8g->font, g);
iforce2d 0:972874f31c98 1303 buf->w = - u8g->glyph_x;
iforce2d 0:972874f31c98 1304
iforce2d 0:972874f31c98 1305 /* Also copy the position of the first glyph. This is the reference point of the string (negated) */
iforce2d 0:972874f31c98 1306 buf->x = u8g->glyph_x;
iforce2d 0:972874f31c98 1307 buf->y = u8g->glyph_y;
iforce2d 0:972874f31c98 1308
iforce2d 0:972874f31c98 1309 for(;;)
iforce2d 0:972874f31c98 1310 {
iforce2d 0:972874f31c98 1311
iforce2d 0:972874f31c98 1312 /* calculated y position of the upper left corner (y_max) and lower left corner (y_min) of the string */
iforce2d 0:972874f31c98 1313 /* relative to the base line */
iforce2d 0:972874f31c98 1314
iforce2d 0:972874f31c98 1315 tmp = u8g->glyph_y;
iforce2d 0:972874f31c98 1316 if ( buf->y_min > tmp )
iforce2d 0:972874f31c98 1317 buf->y_min = tmp;
iforce2d 0:972874f31c98 1318
iforce2d 0:972874f31c98 1319 tmp +=u8g->glyph_height;
iforce2d 0:972874f31c98 1320 if ( buf->y_max < tmp )
iforce2d 0:972874f31c98 1321 buf->y_max = tmp;
iforce2d 0:972874f31c98 1322
iforce2d 0:972874f31c98 1323 /* check and stop if the end of the string is reached */
iforce2d 0:972874f31c98 1324 s++;
iforce2d 0:972874f31c98 1325 if ( *s == '\0' )
iforce2d 0:972874f31c98 1326 break;
iforce2d 0:972874f31c98 1327
iforce2d 0:972874f31c98 1328 /* if there are still more characters, add the delta to the next glyph */
iforce2d 0:972874f31c98 1329 buf->w += u8g->glyph_dx;
iforce2d 0:972874f31c98 1330
iforce2d 0:972874f31c98 1331 /* load the next glyph information */
iforce2d 0:972874f31c98 1332 u8g_GetGlyph(u8g, *s);
iforce2d 0:972874f31c98 1333 }
iforce2d 0:972874f31c98 1334
iforce2d 0:972874f31c98 1335 /* finally calculate the width of the last char */
iforce2d 0:972874f31c98 1336 /* if g was not updated in the for loop (strlen() == 1), then the initial offset x gets removed */
iforce2d 0:972874f31c98 1337 buf->w += u8g->glyph_width;
iforce2d 0:972874f31c98 1338 // buf->w += u8g_font_GetGlyphBBXOffX(u8g->font, g);
iforce2d 0:972874f31c98 1339
iforce2d 0:972874f31c98 1340 buf->w += u8g->glyph_x;
iforce2d 0:972874f31c98 1341 }
iforce2d 0:972874f31c98 1342
iforce2d 0:972874f31c98 1343 /* calculate minimal box */
iforce2d 0:972874f31c98 1344 void u8g_font_box_min(u8g_t *u8g, const char *s, u8g_str_size_t *buf)
iforce2d 0:972874f31c98 1345 {
iforce2d 0:972874f31c98 1346 u8g_font_calc_str_min_box(u8g, s, buf);
iforce2d 0:972874f31c98 1347 }
iforce2d 0:972874f31c98 1348
iforce2d 0:972874f31c98 1349 /* calculate gA box, but do not calculate the overall width */
iforce2d 0:972874f31c98 1350 void u8g_font_box_left_gA(u8g_t *u8g, const char *s, u8g_str_size_t *buf)
iforce2d 0:972874f31c98 1351 {
iforce2d 0:972874f31c98 1352
iforce2d 0:972874f31c98 1353 }
iforce2d 0:972874f31c98 1354
iforce2d 0:972874f31c98 1355 /* calculate gA box, including overall width */
iforce2d 0:972874f31c98 1356 void u8g_font_box_all_gA(u8g_t *u8g, const char *s, u8g_str_size_t *buf)
iforce2d 0:972874f31c98 1357 {
iforce2d 0:972874f31c98 1358
iforce2d 0:972874f31c98 1359 }
iforce2d 0:972874f31c98 1360
iforce2d 0:972874f31c98 1361
iforce2d 0:972874f31c98 1362 static void u8g_font_get_str_box_fill_args(u8g_t *u8g, const char *s, u8g_str_size_t *buf, u8g_uint_t *x, u8g_uint_t *y, u8g_uint_t *width, u8g_uint_t *height)
iforce2d 0:972874f31c98 1363 {
iforce2d 0:972874f31c98 1364 /*
iforce2d 0:972874f31c98 1365 u8g_glyph_t g;
iforce2d 0:972874f31c98 1366 g =
iforce2d 0:972874f31c98 1367 */
iforce2d 0:972874f31c98 1368 u8g_GetGlyph(u8g, *s);
iforce2d 0:972874f31c98 1369 *x += u8g->glyph_x;
iforce2d 0:972874f31c98 1370 *width = buf->w;
iforce2d 0:972874f31c98 1371 *y -= buf->y_max;
iforce2d 0:972874f31c98 1372 /* +1 because y_max is a height, this compensates the next step */
iforce2d 0:972874f31c98 1373 //*y += 1;
iforce2d 0:972874f31c98 1374 /* because the reference point is one below the string, this compensates the previous step */
iforce2d 0:972874f31c98 1375 //*y -= 1;
iforce2d 0:972874f31c98 1376 *height = buf->y_max;
iforce2d 0:972874f31c98 1377 *height -= buf->y_min;
iforce2d 0:972874f31c98 1378 }
iforce2d 0:972874f31c98 1379
iforce2d 0:972874f31c98 1380
iforce2d 0:972874f31c98 1381 void u8g_GetStrMinBox(u8g_t *u8g, const char *s, u8g_uint_t *x, u8g_uint_t *y, u8g_uint_t *width, u8g_uint_t *height)
iforce2d 0:972874f31c98 1382 {
iforce2d 0:972874f31c98 1383 u8g_str_size_t buf;
iforce2d 0:972874f31c98 1384
iforce2d 0:972874f31c98 1385 if ( *s == '\0' )
iforce2d 0:972874f31c98 1386 {
iforce2d 0:972874f31c98 1387 *width= 0;
iforce2d 0:972874f31c98 1388 *height = 0;
iforce2d 0:972874f31c98 1389 return;
iforce2d 0:972874f31c98 1390 }
iforce2d 0:972874f31c98 1391
iforce2d 0:972874f31c98 1392 u8g_font_calc_str_min_box(u8g, s, &buf);
iforce2d 0:972874f31c98 1393 u8g_font_get_str_box_fill_args(u8g, s, &buf, x, y, width, height);
iforce2d 0:972874f31c98 1394 }
iforce2d 0:972874f31c98 1395
iforce2d 0:972874f31c98 1396
iforce2d 0:972874f31c98 1397 void u8g_GetStrAMinBox(u8g_t *u8g, const char *s, u8g_uint_t *x, u8g_uint_t *y, u8g_uint_t *width, u8g_uint_t *height)
iforce2d 0:972874f31c98 1398 {
iforce2d 0:972874f31c98 1399 u8g_str_size_t buf;
iforce2d 0:972874f31c98 1400 uint8_t cap_a;
iforce2d 0:972874f31c98 1401
iforce2d 0:972874f31c98 1402 if ( *s == '\0' )
iforce2d 0:972874f31c98 1403 {
iforce2d 0:972874f31c98 1404 *width= 0;
iforce2d 0:972874f31c98 1405 *height = 0;
iforce2d 0:972874f31c98 1406 return;
iforce2d 0:972874f31c98 1407 }
iforce2d 0:972874f31c98 1408
iforce2d 0:972874f31c98 1409 cap_a = u8g_font_GetCapitalAHeight(u8g->font);
iforce2d 0:972874f31c98 1410 u8g_font_calc_str_min_box(u8g, s, &buf);
iforce2d 0:972874f31c98 1411 if ( buf.y_max < cap_a )
iforce2d 0:972874f31c98 1412 buf.y_max = cap_a;
iforce2d 0:972874f31c98 1413 u8g_font_get_str_box_fill_args(u8g, s, &buf, x, y, width, height);
iforce2d 0:972874f31c98 1414 }
iforce2d 0:972874f31c98 1415
iforce2d 0:972874f31c98 1416 void u8g_SetFont(u8g_t *u8g, const u8g_fntpgm_uint8_t *font)
iforce2d 0:972874f31c98 1417 {
iforce2d 0:972874f31c98 1418 if ( u8g->font != font )
iforce2d 0:972874f31c98 1419 {
iforce2d 0:972874f31c98 1420 u8g->font = font;
iforce2d 0:972874f31c98 1421 u8g_UpdateRefHeight(u8g);
iforce2d 0:972874f31c98 1422 u8g_SetFontPosBaseline(u8g);
iforce2d 0:972874f31c98 1423 }
iforce2d 0:972874f31c98 1424 }
iforce2d 0:972874f31c98 1425
iforce2d 0:972874f31c98 1426 /*========================================================================*/
iforce2d 0:972874f31c98 1427 /* anti aliasing fonts */
iforce2d 0:972874f31c98 1428
iforce2d 0:972874f31c98 1429 int8_t u8g_draw_aa_glyph(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, uint8_t encoding)
iforce2d 0:972874f31c98 1430 {
iforce2d 0:972874f31c98 1431 const u8g_pgm_uint8_t *data;
iforce2d 0:972874f31c98 1432 uint8_t w, h;
iforce2d 0:972874f31c98 1433 uint8_t i, j;
iforce2d 0:972874f31c98 1434 u8g_uint_t ix, iy;
iforce2d 0:972874f31c98 1435
iforce2d 0:972874f31c98 1436 {
iforce2d 0:972874f31c98 1437 u8g_glyph_t g = u8g_GetGlyph(u8g, encoding);
iforce2d 0:972874f31c98 1438 if ( g == NULL )
iforce2d 0:972874f31c98 1439 return 0;
iforce2d 0:972874f31c98 1440 data = u8g_font_GetGlyphDataStart(u8g->font, g);
iforce2d 0:972874f31c98 1441 }
iforce2d 0:972874f31c98 1442
iforce2d 0:972874f31c98 1443 w = u8g->glyph_width;
iforce2d 0:972874f31c98 1444 h = u8g->glyph_height;
iforce2d 0:972874f31c98 1445
iforce2d 0:972874f31c98 1446 x += u8g->glyph_x;
iforce2d 0:972874f31c98 1447 y -= u8g->glyph_y;
iforce2d 0:972874f31c98 1448 y--;
iforce2d 0:972874f31c98 1449
iforce2d 0:972874f31c98 1450 if ( u8g_IsBBXIntersection(u8g, x, y-h+1, w, h) == 0 )
iforce2d 0:972874f31c98 1451 return u8g->glyph_dx;
iforce2d 0:972874f31c98 1452
iforce2d 0:972874f31c98 1453 /* now, w is reused as bytes per line */
iforce2d 0:972874f31c98 1454 w += 3;
iforce2d 0:972874f31c98 1455 w /= 4;
iforce2d 0:972874f31c98 1456
iforce2d 0:972874f31c98 1457 iy = y;
iforce2d 0:972874f31c98 1458 iy -= h;
iforce2d 0:972874f31c98 1459 iy++;
iforce2d 0:972874f31c98 1460
iforce2d 0:972874f31c98 1461 for( j = 0; j < h; j++ )
iforce2d 0:972874f31c98 1462 {
iforce2d 0:972874f31c98 1463 ix = x;
iforce2d 0:972874f31c98 1464 for( i = 0; i < w; i++ )
iforce2d 0:972874f31c98 1465 {
iforce2d 0:972874f31c98 1466 u8g_Draw4TPixel(u8g, ix, iy, 0, u8g_pgm_read(data));
iforce2d 0:972874f31c98 1467 data++;
iforce2d 0:972874f31c98 1468 ix+=4;
iforce2d 0:972874f31c98 1469 }
iforce2d 0:972874f31c98 1470 iy++;
iforce2d 0:972874f31c98 1471 }
iforce2d 0:972874f31c98 1472 return u8g->glyph_dx;
iforce2d 0:972874f31c98 1473 }
iforce2d 0:972874f31c98 1474
iforce2d 0:972874f31c98 1475 int8_t u8g_DrawAAGlyph(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, uint8_t encoding)
iforce2d 0:972874f31c98 1476 {
iforce2d 0:972874f31c98 1477 y += u8g->font_calc_vref(u8g);
iforce2d 0:972874f31c98 1478 return u8g_draw_aa_glyph(u8g, x, y, encoding);
iforce2d 0:972874f31c98 1479 }
iforce2d 0:972874f31c98 1480
iforce2d 0:972874f31c98 1481 u8g_uint_t u8g_DrawAAStr(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, const char *s)
iforce2d 0:972874f31c98 1482 {
iforce2d 0:972874f31c98 1483 u8g_uint_t t = 0;
iforce2d 0:972874f31c98 1484 int8_t d;
iforce2d 0:972874f31c98 1485
iforce2d 0:972874f31c98 1486 if ( u8g_font_GetFormat(u8g->font) != 2 )
iforce2d 0:972874f31c98 1487 return 0;
iforce2d 0:972874f31c98 1488 //u8g_uint_t u8g_GetStrWidth(u8g, s);
iforce2d 0:972874f31c98 1489 //u8g_font_GetFontAscent(u8g->font)-u8g_font_GetFontDescent(u8g->font);
iforce2d 0:972874f31c98 1490
iforce2d 0:972874f31c98 1491 y += u8g->font_calc_vref(u8g);
iforce2d 0:972874f31c98 1492
iforce2d 0:972874f31c98 1493 while( *s != '\0' )
iforce2d 0:972874f31c98 1494 {
iforce2d 0:972874f31c98 1495 d = u8g_draw_aa_glyph(u8g, x, y, *s);
iforce2d 0:972874f31c98 1496 x += d;
iforce2d 0:972874f31c98 1497 t += d;
iforce2d 0:972874f31c98 1498 s++;
iforce2d 0:972874f31c98 1499 }
iforce2d 0:972874f31c98 1500 return t;
iforce2d 0:972874f31c98 1501 }
iforce2d 0:972874f31c98 1502