reactos/dll/win32/gdiplus/stringformat.c

   1 /*
   2  *
   3  * Copyright (C) 2007 Google (Evan Stade)
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  18  */
  19
  20 #include <stdarg.h>
  21
  22 #include "windef.h"
  23 #include "winbase.h"
  24 #include "wingdi.h"
  25 #include "winnls.h"
  26
  27 #include "objbase.h"
  28
  29 #include "gdiplus.h"
  30 #include "gdiplus_private.h"
  31 #include "wine/debug.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(gdiplus);
  34
  35 GpStatus WINGDIPAPI GdipCreateStringFormat(INT attr, LANGID lang,
  36     GpStringFormat **format)
  37 {
  38     if(!format)
  39         return InvalidParameter;
  40
  41     *format = GdipAlloc(sizeof(GpStringFormat));
  42     if(!*format)   return OutOfMemory;
  43
  44     (*format)->attr = attr;
  45     (*format)->lang = lang;
  46     (*format)->digitlang = LANG_NEUTRAL;
  47     (*format)->trimming = StringTrimmingCharacter;
  48     (*format)->digitsub = StringDigitSubstituteUser;
  49     /* tabstops */
  50     (*format)->tabcount = 0;
  51     (*format)->firsttab = 0.0;
  52     (*format)->tabs = NULL;
  53
  54     return Ok;
  55 }
  56
  57 GpStatus WINGDIPAPI GdipDeleteStringFormat(GpStringFormat *format)
  58 {
  59     if(!format)
  60         return InvalidParameter;
  61
  62     GdipFree(format->tabs);
  63     GdipFree(format);
  64
  65     return Ok;
  66 }
  67
  68 GpStatus WINGDIPAPI GdipStringFormatGetGenericDefault(GpStringFormat **format)
  69 {
  70     GpStatus stat;
  71
  72     if (!format)
  73         return InvalidParameter;
  74
  75     stat = GdipCreateStringFormat(0, LANG_NEUTRAL, format);
  76     if(stat != Ok)
  77         return stat;
  78
  79     (*format)->align     = StringAlignmentNear;
  80     (*format)->vertalign = StringAlignmentNear;
  81
  82     return Ok;
  83 }
  84
  85 GpStatus WINGDIPAPI GdipGetStringFormatAlign(GpStringFormat *format,
  86     StringAlignment *align)
  87 {
  88     if(!format || !align)
  89         return InvalidParameter;
  90
  91     *align = format->align;
  92
  93     return Ok;
  94 }
  95
  96 GpStatus WINGDIPAPI GdipGetStringFormatDigitSubstitution(GDIPCONST GpStringFormat *format,
  97     LANGID *language, StringDigitSubstitute *substitute)
  98 {
  99     if(!format)
 100         return InvalidParameter;
 101
 102     if(language)    *language   = format->digitlang;
 103     if(substitute)  *substitute = format->digitsub;
 104
 105     return Ok;
 106 }
 107
 108 GpStatus WINGDIPAPI GdipGetStringFormatFlags(GDIPCONST GpStringFormat* format,
 109         INT* flags)
 110 {
 111     if (!(format && flags))
 112         return InvalidParameter;
 113
 114     *flags = format->attr;
 115
 116     return Ok;
 117 }
 118
 119 GpStatus WINGDIPAPI GdipGetStringFormatHotkeyPrefix(GDIPCONST GpStringFormat
 120     *format, INT *hkpx)
 121 {
 122     if(!format || !hkpx)
 123         return InvalidParameter;
 124
 125     *hkpx = (INT)format->hkprefix;
 126
 127     return Ok;
 128 }
 129
 130 GpStatus WINGDIPAPI GdipGetStringFormatLineAlign(GpStringFormat *format,
 131     StringAlignment *align)
 132 {
 133     if(!format || !align)
 134         return InvalidParameter;
 135
 136     *align = format->vertalign;
 137
 138     return Ok;
 139 }
 140
 141 GpStatus WINGDIPAPI GdipGetStringFormatMeasurableCharacterRangeCount(
 142         GDIPCONST GpStringFormat* format, INT* count)
 143 {
 144     if (!(format && count))
 145         return InvalidParameter;
 146
 147     FIXME("stub: %p %p\n", format, count);
 148
 149     return NotImplemented;
 150 }
 151
 152 GpStatus WINGDIPAPI GdipGetStringFormatTabStopCount(GDIPCONST GpStringFormat *format,
 153     INT *count)
 154 {
 155     if(!format || !count)
 156         return InvalidParameter;
 157
 158     *count = format->tabcount;
 159
 160     return Ok;
 161 }
 162
 163 GpStatus WINGDIPAPI GdipGetStringFormatTabStops(GDIPCONST GpStringFormat *format, INT count,
 164     REAL *firsttab, REAL *tabs)
 165 {
 166     if(!format || !firsttab || !tabs)
 167         return InvalidParameter;
 168
 169     /* native simply crashes on count < 0 */
 170     if(count != 0)
 171         memcpy(tabs, format->tabs, sizeof(REAL)*count);
 172
 173     *firsttab = format->firsttab;
 174
 175     return Ok;
 176 }
 177
 178 GpStatus WINGDIPAPI GdipGetStringFormatTrimming(GpStringFormat *format,
 179     StringTrimming *trimming)
 180 {
 181     if(!format || !trimming)
 182         return InvalidParameter;
 183
 184     *trimming = format->trimming;
 185
 186     return Ok;
 187 }
 188
 189 GpStatus WINGDIPAPI GdipSetStringFormatAlign(GpStringFormat *format,
 190     StringAlignment align)
 191 {
 192     if(!format)
 193         return InvalidParameter;
 194
 195     format->align = align;
 196
 197     return Ok;
 198 }
 199
 200 /*FIXME: digit substitution actually not implemented, get/set only */
 201 GpStatus WINGDIPAPI GdipSetStringFormatDigitSubstitution(GpStringFormat *format,
 202     LANGID language, StringDigitSubstitute substitute)
 203 {
 204     if(!format)
 205         return InvalidParameter;
 206
 207     format->digitlang = language;
 208     format->digitsub  = substitute;
 209
 210     return Ok;
 211 }
 212
 213 GpStatus WINGDIPAPI GdipSetStringFormatHotkeyPrefix(GpStringFormat *format,
 214     INT hkpx)
 215 {
 216     if(!format || hkpx < 0 || hkpx > 2)
 217         return InvalidParameter;
 218
 219     format->hkprefix = (HotkeyPrefix) hkpx;
 220
 221     return Ok;
 222 }
 223
 224 GpStatus WINGDIPAPI GdipSetStringFormatLineAlign(GpStringFormat *format,
 225     StringAlignment align)
 226 {
 227     if(!format)
 228         return InvalidParameter;
 229
 230     format->vertalign = align;
 231
 232     return Ok;
 233 }
 234
 235 GpStatus WINGDIPAPI GdipSetStringFormatMeasurableCharacterRanges(GpStringFormat*
 236         format, INT rangeCount, GDIPCONST CharacterRange* ranges)
 237 {
 238     if (!(format && rangeCount && ranges))
 239         return InvalidParameter;
 240
 241     FIXME("stub: %p, %d, %p\n", format, rangeCount, ranges);
 242
 243     return NotImplemented;
 244 }
 245
 246 GpStatus WINGDIPAPI GdipSetStringFormatTabStops(GpStringFormat *format, REAL firsttab,
 247     INT count, GDIPCONST REAL *tabs)
 248 {
 249     if(!format || !tabs)
 250         return InvalidParameter;
 251
 252     if(count > 0){
 253         if(firsttab < 0.0)  return NotImplemented;
 254         /* first time allocation */
 255         if(format->tabcount == 0){
 256             format->tabs = GdipAlloc(sizeof(REAL)*count);
 257             if(!format->tabs)
 258                 return OutOfMemory;
 259         }
 260         /* reallocation */
 261         if((format->tabcount < count) && (format->tabcount > 0)){
 262             REAL *ptr;
 263             ptr = HeapReAlloc(GetProcessHeap(), 0, format->tabs, sizeof(REAL)*count);
 264             if(!ptr)
 265                 return OutOfMemory;
 266             format->tabs = ptr;
 267         }
 268         format->firsttab = firsttab;
 269         format->tabcount = count;
 270         memcpy(format->tabs, tabs, sizeof(REAL)*count);
 271     }
 272
 273     return Ok;
 274 }
 275
 276 GpStatus WINGDIPAPI GdipSetStringFormatTrimming(GpStringFormat *format,
 277     StringTrimming trimming)
 278 {
 279     if(!format)
 280         return InvalidParameter;
 281
 282     format->trimming = trimming;
 283
 284     return Ok;
 285 }
 286
 287 GpStatus WINGDIPAPI GdipSetStringFormatFlags(GpStringFormat *format, INT flags)
 288 {
 289     if(!format)
 290         return InvalidParameter;
 291
 292     format->attr = flags;
 293
 294     return Ok;
 295 }
 296
 297 GpStatus WINGDIPAPI GdipCloneStringFormat(GDIPCONST GpStringFormat *format, GpStringFormat **newFormat)
 298 {
 299     if(!format || !newFormat)
 300         return InvalidParameter;
 301
 302     *newFormat = GdipAlloc(sizeof(GpStringFormat));
 303     if(!*newFormat)    return OutOfMemory;
 304
 305     **newFormat = *format;
 306
 307     if(format->tabcount > 0){
 308         (*newFormat)->tabs = GdipAlloc(sizeof(REAL) * format->tabcount);
 309         if(!(*newFormat)->tabs){
 310             GdipFree(*newFormat);
 311             return OutOfMemory;
 312         }
 313         memcpy((*newFormat)->tabs, format->tabs, sizeof(REAL) * format->tabcount);
 314     }
 315     else
 316         (*newFormat)->tabs = NULL;
 317
 318     TRACE("%p %p\n",format,newFormat);
 319
 320     return Ok;
 321 }
 322
 323 GpStatus WINGDIPAPI GdipStringFormatGetGenericTypographic(GpStringFormat **format)
 324 {
 325     GpStatus stat;
 326
 327     if(!format)
 328         return InvalidParameter;
 329
 330     stat = GdipCreateStringFormat(StringFormatFlagsNoFitBlackBox |
 331                                   StringFormatFlagsLineLimit |
 332                                   StringFormatFlagsNoClip, LANG_NEUTRAL, format);
 333     if(stat != Ok)
 334         return stat;
 335
 336     (*format)->digitlang = LANG_NEUTRAL;
 337     (*format)->digitsub  = StringDigitSubstituteUser;
 338     (*format)->trimming  = StringTrimmingNone;
 339     (*format)->hkprefix  = HotkeyPrefixNone;
 340     (*format)->align     = StringAlignmentNear;
 341     (*format)->vertalign = StringAlignmentNear;
 342
 343     return Ok;
 344 }