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     TRACE("(%i, %x, %p)\n", attr, lang, format);
  39
  40     if(!format)
  41         return InvalidParameter;
  42
  43     *format = GdipAlloc(sizeof(GpStringFormat));
  44     if(!*format)   return OutOfMemory;
  45
  46     (*format)->attr = attr;
  47     (*format)->lang = lang;
  48     (*format)->digitlang = LANG_NEUTRAL;
  49     (*format)->trimming = StringTrimmingCharacter;
  50     (*format)->digitsub = StringDigitSubstituteUser;
  51     /* tabstops */
  52     (*format)->tabcount = 0;
  53     (*format)->firsttab = 0.0;
  54     (*format)->tabs = NULL;
  55
  56     return Ok;
  57 }
  58
  59 GpStatus WINGDIPAPI GdipDeleteStringFormat(GpStringFormat *format)
  60 {
  61     if(!format)
  62         return InvalidParameter;
  63
  64     GdipFree(format->tabs);
  65     GdipFree(format);
  66
  67     return Ok;
  68 }
  69
  70 GpStatus WINGDIPAPI GdipStringFormatGetGenericDefault(GpStringFormat **format)
  71 {
  72     GpStatus stat;
  73
  74     if (!format)
  75         return InvalidParameter;
  76
  77     stat = GdipCreateStringFormat(0, LANG_NEUTRAL, format);
  78     if(stat != Ok)
  79         return stat;
  80
  81     (*format)->align     = StringAlignmentNear;
  82     (*format)->vertalign = StringAlignmentNear;
  83
  84     return Ok;
  85 }
  86
  87 GpStatus WINGDIPAPI GdipGetStringFormatAlign(GpStringFormat *format,
  88     StringAlignment *align)
  89 {
  90     if(!format || !align)
  91         return InvalidParameter;
  92
  93     *align = format->align;
  94
  95     return Ok;
  96 }
  97
  98 GpStatus WINGDIPAPI GdipGetStringFormatDigitSubstitution(GDIPCONST GpStringFormat *format,
  99     LANGID *language, StringDigitSubstitute *substitute)
 100 {
 101     if(!format)
 102         return InvalidParameter;
 103
 104     if(language)    *language   = format->digitlang;
 105     if(substitute)  *substitute = format->digitsub;
 106
 107     return Ok;
 108 }
 109
 110 GpStatus WINGDIPAPI GdipGetStringFormatFlags(GDIPCONST GpStringFormat* format,
 111         INT* flags)
 112 {
 113     if (!(format && flags))
 114         return InvalidParameter;
 115
 116     *flags = format->attr;
 117
 118     return Ok;
 119 }
 120
 121 GpStatus WINGDIPAPI GdipGetStringFormatHotkeyPrefix(GDIPCONST GpStringFormat
 122     *format, INT *hkpx)
 123 {
 124     if(!format || !hkpx)
 125         return InvalidParameter;
 126
 127     *hkpx = (INT)format->hkprefix;
 128
 129     return Ok;
 130 }
 131
 132 GpStatus WINGDIPAPI GdipGetStringFormatLineAlign(GpStringFormat *format,
 133     StringAlignment *align)
 134 {
 135     if(!format || !align)
 136         return InvalidParameter;
 137
 138     *align = format->vertalign;
 139
 140     return Ok;
 141 }
 142
 143 GpStatus WINGDIPAPI GdipGetStringFormatMeasurableCharacterRangeCount(
 144         GDIPCONST GpStringFormat* format, INT* count)
 145 {
 146     if (!(format && count))
 147         return InvalidParameter;
 148
 149     FIXME("stub: %p %p\n", format, count);
 150
 151     return NotImplemented;
 152 }
 153
 154 GpStatus WINGDIPAPI GdipGetStringFormatTabStopCount(GDIPCONST GpStringFormat *format,
 155     INT *count)
 156 {
 157     if(!format || !count)
 158         return InvalidParameter;
 159
 160     *count = format->tabcount;
 161
 162     return Ok;
 163 }
 164
 165 GpStatus WINGDIPAPI GdipGetStringFormatTabStops(GDIPCONST GpStringFormat *format, INT count,
 166     REAL *firsttab, REAL *tabs)
 167 {
 168     if(!format || !firsttab || !tabs)
 169         return InvalidParameter;
 170
 171     /* native simply crashes on count < 0 */
 172     if(count != 0)
 173         memcpy(tabs, format->tabs, sizeof(REAL)*count);
 174
 175     *firsttab = format->firsttab;
 176
 177     return Ok;
 178 }
 179
 180 GpStatus WINGDIPAPI GdipGetStringFormatTrimming(GpStringFormat *format,
 181     StringTrimming *trimming)
 182 {
 183     if(!format || !trimming)
 184         return InvalidParameter;
 185
 186     *trimming = format->trimming;
 187
 188     return Ok;
 189 }
 190
 191 GpStatus WINGDIPAPI GdipSetStringFormatAlign(GpStringFormat *format,
 192     StringAlignment align)
 193 {
 194     TRACE("(%p, %i)\n", format, align);
 195
 196     if(!format)
 197         return InvalidParameter;
 198
 199     format->align = align;
 200
 201     return Ok;
 202 }
 203
 204 /*FIXME: digit substitution actually not implemented, get/set only */
 205 GpStatus WINGDIPAPI GdipSetStringFormatDigitSubstitution(GpStringFormat *format,
 206     LANGID language, StringDigitSubstitute substitute)
 207 {
 208     TRACE("(%p, %x, %i)\n", format, language, substitute);
 209
 210     if(!format)
 211         return InvalidParameter;
 212
 213     format->digitlang = language;
 214     format->digitsub  = substitute;
 215
 216     return Ok;
 217 }
 218
 219 GpStatus WINGDIPAPI GdipSetStringFormatHotkeyPrefix(GpStringFormat *format,
 220     INT hkpx)
 221 {
 222     TRACE("(%p, %i)\n", format, hkpx);
 223
 224     if(!format || hkpx < 0 || hkpx > 2)
 225         return InvalidParameter;
 226
 227     format->hkprefix = (HotkeyPrefix) hkpx;
 228
 229     return Ok;
 230 }
 231
 232 GpStatus WINGDIPAPI GdipSetStringFormatLineAlign(GpStringFormat *format,
 233     StringAlignment align)
 234 {
 235     TRACE("(%p, %i)\n", format, align);
 236
 237     if(!format)
 238         return InvalidParameter;
 239
 240     format->vertalign = align;
 241
 242     return Ok;
 243 }
 244
 245 GpStatus WINGDIPAPI GdipSetStringFormatMeasurableCharacterRanges(GpStringFormat*
 246         format, INT rangeCount, GDIPCONST CharacterRange* ranges)
 247 {
 248     if (!(format && rangeCount && ranges))
 249         return InvalidParameter;
 250
 251     FIXME("stub: %p, %d, %p\n", format, rangeCount, ranges);
 252
 253     return NotImplemented;
 254 }
 255
 256 GpStatus WINGDIPAPI GdipSetStringFormatTabStops(GpStringFormat *format, REAL firsttab,
 257     INT count, GDIPCONST REAL *tabs)
 258 {
 259     TRACE("(%p, %0.2f, %i, %p)\n", format, firsttab, count, tabs);
 260
 261     if(!format || !tabs)
 262         return InvalidParameter;
 263
 264     if(count > 0){
 265         if(firsttab < 0.0)  return NotImplemented;
 266         /* first time allocation */
 267         if(format->tabcount == 0){
 268             format->tabs = GdipAlloc(sizeof(REAL)*count);
 269             if(!format->tabs)
 270                 return OutOfMemory;
 271         }
 272         /* reallocation */
 273         if((format->tabcount < count) && (format->tabcount > 0)){
 274             REAL *ptr;
 275             ptr = HeapReAlloc(GetProcessHeap(), 0, format->tabs, sizeof(REAL)*count);
 276             if(!ptr)
 277                 return OutOfMemory;
 278             format->tabs = ptr;
 279         }
 280         format->firsttab = firsttab;
 281         format->tabcount = count;
 282         memcpy(format->tabs, tabs, sizeof(REAL)*count);
 283     }
 284
 285     return Ok;
 286 }
 287
 288 GpStatus WINGDIPAPI GdipSetStringFormatTrimming(GpStringFormat *format,
 289     StringTrimming trimming)
 290 {
 291     TRACE("(%p, %i)\n", format, trimming);
 292
 293     if(!format)
 294         return InvalidParameter;
 295
 296     format->trimming = trimming;
 297
 298     return Ok;
 299 }
 300
 301 GpStatus WINGDIPAPI GdipSetStringFormatFlags(GpStringFormat *format, INT flags)
 302 {
 303     TRACE("(%p, %x)\n", format, flags);
 304
 305     if(!format)
 306         return InvalidParameter;
 307
 308     format->attr = flags;
 309
 310     return Ok;
 311 }
 312
 313 GpStatus WINGDIPAPI GdipCloneStringFormat(GDIPCONST GpStringFormat *format, GpStringFormat **newFormat)
 314 {
 315     if(!format || !newFormat)
 316         return InvalidParameter;
 317
 318     *newFormat = GdipAlloc(sizeof(GpStringFormat));
 319     if(!*newFormat)    return OutOfMemory;
 320
 321     **newFormat = *format;
 322
 323     if(format->tabcount > 0){
 324         (*newFormat)->tabs = GdipAlloc(sizeof(REAL) * format->tabcount);
 325         if(!(*newFormat)->tabs){
 326             GdipFree(*newFormat);
 327             return OutOfMemory;
 328         }
 329         memcpy((*newFormat)->tabs, format->tabs, sizeof(REAL) * format->tabcount);
 330     }
 331     else
 332         (*newFormat)->tabs = NULL;
 333
 334     TRACE("%p %p\n",format,newFormat);
 335
 336     return Ok;
 337 }
 338
 339 GpStatus WINGDIPAPI GdipStringFormatGetGenericTypographic(GpStringFormat **format)
 340 {
 341     GpStatus stat;
 342
 343     if(!format)
 344         return InvalidParameter;
 345
 346     stat = GdipCreateStringFormat(StringFormatFlagsNoFitBlackBox |
 347                                   StringFormatFlagsLineLimit |
 348                                   StringFormatFlagsNoClip, LANG_NEUTRAL, format);
 349     if(stat != Ok)
 350         return stat;
 351
 352     (*format)->digitlang = LANG_NEUTRAL;
 353     (*format)->digitsub  = StringDigitSubstituteUser;
 354     (*format)->trimming  = StringTrimmingNone;
 355     (*format)->hkprefix  = HotkeyPrefixNone;
 356     (*format)->align     = StringAlignmentNear;
 357     (*format)->vertalign = StringAlignmentNear;
 358
 359     return Ok;
 360 }