reactos/dll/win32/gdiplus/stringformat.c

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/*
*
* Copyright (C) 2007 Google (Evan Stade)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winnls.h"
#include "objbase.h"
#include "gdiplus.h"
#include "gdiplus_private.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(gdiplus);
const GpStringFormat default_drawstring_format =
{
0,
LANG_NEUTRAL,
LANG_NEUTRAL,
StringAlignmentNear,
StringTrimmingCharacter,
HotkeyPrefixNone,
StringAlignmentNear,
StringDigitSubstituteUser,
0,
0.0,
NULL,
NULL,
0,
FALSE
};
static GpStringFormat generic_default_format;
static GpStringFormat generic_typographic_format;
void init_generic_string_formats(void)
{
memcpy(&generic_default_format, &default_drawstring_format, sizeof(generic_default_format));
memcpy(&generic_typographic_format, &default_drawstring_format, sizeof(generic_typographic_format));
generic_typographic_format.attr = StringFormatFlagsNoFitBlackBox | StringFormatFlagsLineLimit |
StringFormatFlagsNoClip;
generic_typographic_format.trimming = StringTrimmingNone;
generic_typographic_format.generic_typographic = TRUE;
}
void free_generic_string_formats(void)
{
heap_free(generic_default_format.character_ranges);
heap_free(generic_default_format.tabs);
heap_free(generic_typographic_format.character_ranges);
heap_free(generic_typographic_format.tabs);
}
GpStatus WINGDIPAPI GdipCreateStringFormat(INT attr, LANGID lang,
GpStringFormat **format)
{
TRACE("(%i, %x, %p)\n", attr, lang, format);
if(!format)
return InvalidParameter;
*format = heap_alloc_zero(sizeof(GpStringFormat));
if(!*format) return OutOfMemory;
(*format)->attr = attr;
(*format)->lang = lang;
(*format)->digitlang = LANG_NEUTRAL;
(*format)->trimming = StringTrimmingCharacter;
(*format)->digitsub = StringDigitSubstituteUser;
(*format)->character_ranges = NULL;
(*format)->range_count = 0;
(*format)->generic_typographic = FALSE;
/* tabstops */
(*format)->tabcount = 0;
(*format)->firsttab = 0.0;
(*format)->tabs = NULL;
TRACE("<-- %p\n", *format);
return Ok;
}
GpStatus WINGDIPAPI GdipDeleteStringFormat(GpStringFormat *format)
{
if(!format)
return InvalidParameter;
if (format == &generic_default_format || format == &generic_typographic_format)
return Ok;
heap_free(format->character_ranges);
heap_free(format->tabs);
heap_free(format);
return Ok;
}
GpStatus WINGDIPAPI GdipStringFormatGetGenericDefault(GpStringFormat **format)
{
if (!format)
return InvalidParameter;
*format = &generic_default_format;
return Ok;
}
GpStatus WINGDIPAPI GdipGetStringFormatAlign(GpStringFormat *format,
StringAlignment *align)
{
if(!format || !align)
return InvalidParameter;
*align = format->align;
return Ok;
}
GpStatus WINGDIPAPI GdipGetStringFormatDigitSubstitution(GDIPCONST GpStringFormat *format,
LANGID *language, StringDigitSubstitute *substitute)
{
if(!format)
return InvalidParameter;
if(language) *language = format->digitlang;
if(substitute) *substitute = format->digitsub;
return Ok;
}
GpStatus WINGDIPAPI GdipGetStringFormatFlags(GDIPCONST GpStringFormat* format,
INT* flags)
{
if (!(format && flags))
return InvalidParameter;
*flags = format->attr;
return Ok;
}
GpStatus WINGDIPAPI GdipGetStringFormatHotkeyPrefix(GDIPCONST GpStringFormat
*format, INT *hkpx)
{
if(!format || !hkpx)
return InvalidParameter;
*hkpx = (INT)format->hkprefix;
return Ok;
}
GpStatus WINGDIPAPI GdipGetStringFormatLineAlign(GpStringFormat *format,
StringAlignment *align)
{
if(!format || !align)
return InvalidParameter;
*align = format->line_align;
return Ok;
}
GpStatus WINGDIPAPI GdipGetStringFormatMeasurableCharacterRangeCount(
GDIPCONST GpStringFormat *format, INT *count)
{
if (!(format && count))
return InvalidParameter;
TRACE("%p %p\n", format, count);
*count = format->range_count;
return Ok;
}
GpStatus WINGDIPAPI GdipGetStringFormatTabStopCount(GDIPCONST GpStringFormat *format,
INT *count)
{
if(!format || !count)
return InvalidParameter;
*count = format->tabcount;
return Ok;
}
GpStatus WINGDIPAPI GdipGetStringFormatTabStops(GDIPCONST GpStringFormat *format, INT count,
REAL *firsttab, REAL *tabs)
{
if(!format || !firsttab || !tabs)
return InvalidParameter;
/* native simply crashes on count < 0 */
if(count != 0)
memcpy(tabs, format->tabs, sizeof(REAL)*count);
*firsttab = format->firsttab;
return Ok;
}
GpStatus WINGDIPAPI GdipGetStringFormatTrimming(GpStringFormat *format,
StringTrimming *trimming)
{
if(!format || !trimming)
return InvalidParameter;
*trimming = format->trimming;
return Ok;
}
GpStatus WINGDIPAPI GdipSetStringFormatAlign(GpStringFormat *format,
StringAlignment align)
{
TRACE("(%p, %i)\n", format, align);
if(!format)
return InvalidParameter;
format->align = align;
return Ok;
}
/*FIXME: digit substitution actually not implemented, get/set only */
GpStatus WINGDIPAPI GdipSetStringFormatDigitSubstitution(GpStringFormat *format,
LANGID language, StringDigitSubstitute substitute)
{
TRACE("(%p, %x, %i)\n", format, language, substitute);
if(!format)
return InvalidParameter;
format->digitlang = language;
format->digitsub = substitute;
return Ok;
}
GpStatus WINGDIPAPI GdipSetStringFormatHotkeyPrefix(GpStringFormat *format,
INT hkpx)
{
TRACE("(%p, %i)\n", format, hkpx);
if(!format || hkpx < 0 || hkpx > 2)
return InvalidParameter;
format->hkprefix = (HotkeyPrefix) hkpx;
return Ok;
}
GpStatus WINGDIPAPI GdipSetStringFormatLineAlign(GpStringFormat *format,
StringAlignment align)
{
TRACE("(%p, %i)\n", format, align);
if(!format)
return InvalidParameter;
format->line_align = align;
return Ok;
}
GpStatus WINGDIPAPI GdipSetStringFormatMeasurableCharacterRanges(
GpStringFormat *format, INT rangeCount, GDIPCONST CharacterRange *ranges)
{
CharacterRange *new_ranges;
if (!(format && ranges))
return InvalidParameter;
TRACE("%p, %d, %p\n", format, rangeCount, ranges);
new_ranges = heap_alloc_zero(rangeCount * sizeof(CharacterRange));
if (!new_ranges)
return OutOfMemory;
heap_free(format->character_ranges);
format->character_ranges = new_ranges;
memcpy(format->character_ranges, ranges, sizeof(CharacterRange) * rangeCount);
format->range_count = rangeCount;
return Ok;
}
GpStatus WINGDIPAPI GdipSetStringFormatTabStops(GpStringFormat *format, REAL firsttab,
INT count, GDIPCONST REAL *tabs)
{
TRACE("(%p, %0.2f, %i, %p)\n", format, firsttab, count, tabs);
if(!format || !tabs)
return InvalidParameter;
if(count > 0){
if(firsttab < 0.0) return NotImplemented;
/* first time allocation */
if(format->tabcount == 0){
format->tabs = heap_alloc_zero(sizeof(REAL)*count);
if(!format->tabs)
return OutOfMemory;
}
/* reallocation */
if((format->tabcount < count) && (format->tabcount > 0)){
REAL *ptr;
ptr = heap_realloc(format->tabs, sizeof(REAL)*count);
if(!ptr)
return OutOfMemory;
format->tabs = ptr;
}
format->firsttab = firsttab;
format->tabcount = count;
memcpy(format->tabs, tabs, sizeof(REAL)*count);
}
return Ok;
}
GpStatus WINGDIPAPI GdipSetStringFormatTrimming(GpStringFormat *format,
StringTrimming trimming)
{
TRACE("(%p, %i)\n", format, trimming);
if(!format)
return InvalidParameter;
format->trimming = trimming;
return Ok;
}
GpStatus WINGDIPAPI GdipSetStringFormatFlags(GpStringFormat *format, INT flags)
{
TRACE("(%p, %x)\n", format, flags);
if(!format)
return InvalidParameter;
format->attr = flags;
return Ok;
}
GpStatus WINGDIPAPI GdipCloneStringFormat(GDIPCONST GpStringFormat *format, GpStringFormat **newFormat)
{
if(!format || !newFormat)
return InvalidParameter;
*newFormat = heap_alloc_zero(sizeof(GpStringFormat));
if(!*newFormat) return OutOfMemory;
**newFormat = *format;
if(format->tabcount > 0){
(*newFormat)->tabs = heap_alloc_zero(sizeof(REAL) * format->tabcount);
if(!(*newFormat)->tabs){
heap_free(*newFormat);
return OutOfMemory;
}
memcpy((*newFormat)->tabs, format->tabs, sizeof(REAL) * format->tabcount);
}
else
(*newFormat)->tabs = NULL;
if(format->range_count > 0){
(*newFormat)->character_ranges = heap_alloc_zero(sizeof(CharacterRange) * format->range_count);
if(!(*newFormat)->character_ranges){
heap_free((*newFormat)->tabs);
heap_free(*newFormat);
return OutOfMemory;
}
memcpy((*newFormat)->character_ranges, format->character_ranges,
sizeof(CharacterRange) * format->range_count);
}
else
(*newFormat)->character_ranges = NULL;
TRACE("%p %p\n",format,newFormat);
return Ok;
}
GpStatus WINGDIPAPI GdipStringFormatGetGenericTypographic(GpStringFormat **format)
{
if(!format)
return InvalidParameter;
*format = &generic_typographic_format;
TRACE("%p => %p\n", format, *format);
return Ok;
}