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/* |
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* gdiplusstringformat.h |
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* |
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* GDI+ StringFormat class |
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* |
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* This file is part of the w32api package. |
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* |
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* Contributors: |
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* Created by Markus Koenig <markus@stber-koenig.de> |
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* |
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* THIS SOFTWARE IS NOT COPYRIGHTED |
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* |
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* This source code is offered for use in the public domain. You may |
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* use, modify or distribute it freely. |
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* |
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* This code is distributed in the hope that it will be useful but |
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* WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY |
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* DISCLAIMED. This includes but is not limited to warranties of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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* |
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*/ |
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|
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#ifndef __GDIPLUS_STRINGFORMAT_H |
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#define __GDIPLUS_STRINGFORMAT_H |
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#if __GNUC__ >=3 |
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#pragma GCC system_header |
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#endif |
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|
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#ifndef __cplusplus |
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#error "A C++ compiler is required to include gdiplusstringformat.h." |
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#endif |
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|
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class StringFormat: public GdiplusBase |
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{ |
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friend class Graphics; |
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friend class GraphicsPath; |
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|
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public: |
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static const StringFormat* GenericDefault(); |
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static const StringFormat* GenericTypographic(); |
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|
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StringFormat(INT formatFlags = 0, LANGID language = LANG_NEUTRAL): |
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nativeStringFormat(NULL), lastStatus(Ok) |
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{ |
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lastStatus = DllExports::GdipCreateStringFormat( |
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formatFlags, language, &nativeStringFormat); |
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} |
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StringFormat(const StringFormat *format): |
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nativeStringFormat(NULL), lastStatus(Ok) |
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{ |
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lastStatus = DllExports::GdipCloneStringFormat( |
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format ? format->nativeStringFormat : NULL, |
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&nativeStringFormat); |
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} |
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~StringFormat() |
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{ |
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DllExports::GdipDeleteStringFormat(nativeStringFormat); |
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} |
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StringFormat* Clone() const |
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{ |
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GpStringFormat *cloneStringFormat = NULL; |
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Status status = updateStatus(DllExports::GdipCloneStringFormat( |
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nativeStringFormat, &cloneStringFormat)); |
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if (status == Ok) { |
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StringFormat *result = new StringFormat( |
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cloneStringFormat, lastStatus); |
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if (!result) { |
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DllExports::GdipDeleteStringFormat(cloneStringFormat); |
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lastStatus = OutOfMemory; |
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} |
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return result; |
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} else { |
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return NULL; |
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} |
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} |
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|
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StringAlignment GetAlignment() const |
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{ |
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StringAlignment result = StringAlignmentNear; |
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updateStatus(DllExports::GdipGetStringFormatAlign( |
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nativeStringFormat, &result)); |
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return result; |
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} |
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LANGID GetDigitSubstitutionLanguage() const |
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{ |
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LANGID result = 0; |
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StringDigitSubstitute method; |
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updateStatus(DllExports::GdipGetStringFormatDigitSubstitution( |
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nativeStringFormat, &result, &method)); |
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return result; |
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} |
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StringDigitSubstitute GetDigitSubstitutionMethod() const |
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{ |
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LANGID language; |
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StringDigitSubstitute result = StringDigitSubstituteUser; |
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updateStatus(DllExports::GdipGetStringFormatDigitSubstitution( |
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nativeStringFormat, &language, &result)); |
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return result; |
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} |
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INT GetFormatFlags() const |
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{ |
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INT result = 0; |
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updateStatus(DllExports::GdipGetStringFormatFlags( |
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nativeStringFormat, &result)); |
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return result; |
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} |
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HotkeyPrefix GetHotkeyPrefix() const |
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{ |
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HotkeyPrefix result = HotkeyPrefixNone; |
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updateStatus(DllExports::GdipGetStringFormatHotkeyPrefix( |
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nativeStringFormat, (INT*) &result)); |
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return result; |
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} |
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Status GetLastStatus() const |
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{ |
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Status result = lastStatus; |
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lastStatus = Ok; |
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return result; |
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} |
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StringAlignment GetLineAlignment() const |
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{ |
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StringAlignment result = StringAlignmentNear; |
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updateStatus(DllExports::GdipGetStringFormatLineAlign( |
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nativeStringFormat, &result)); |
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return result; |
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} |
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INT GetMeasurableCharacterRangeCount() const |
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{ |
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INT result = 0; |
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updateStatus(DllExports::GdipGetStringFormatMeasurableCharacterRangeCount( |
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nativeStringFormat, &result)); |
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return result; |
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} |
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INT GetTabStopCount() const |
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{ |
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INT result = 0; |
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updateStatus(DllExports::GdipGetStringFormatTabStopCount( |
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nativeStringFormat, &result)); |
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return result; |
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} |
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Status GetTabStops(INT count, REAL *firstTabOffset, REAL *tabStops) |
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{ |
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return updateStatus(DllExports::GdipGetStringFormatTabStops( |
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nativeStringFormat, count, |
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firstTabOffset, tabStops)); |
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} |
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StringTrimming GetTrimming() const |
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{ |
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StringTrimming result = StringTrimmingNone; |
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updateStatus(DllExports::GdipGetStringFormatTrimming( |
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nativeStringFormat, &result)); |
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return result; |
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} |
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Status SetAlignment(StringAlignment align) |
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{ |
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return updateStatus(DllExports::GdipSetStringFormatAlign( |
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nativeStringFormat, align)); |
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} |
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Status SetDigitSubstitution(LANGID language, |
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StringDigitSubstitute substitute) |
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{ |
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return updateStatus(DllExports::GdipSetStringFormatDigitSubstitution( |
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nativeStringFormat, language, substitute)); |
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} |
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Status SetFormatFlags(INT flags) |
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{ |
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return updateStatus(DllExports::GdipSetStringFormatFlags( |
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nativeStringFormat, flags)); |
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} |
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Status SetHotkeyPrefix(HotkeyPrefix hotkeyPrefix) |
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{ |
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return updateStatus(DllExports::GdipSetStringFormatHotkeyPrefix( |
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nativeStringFormat, (INT) hotkeyPrefix)); |
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} |
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Status SetLineAlignment(StringAlignment align) |
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{ |
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return updateStatus(DllExports::GdipSetStringFormatLineAlign( |
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nativeStringFormat, align)); |
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} |
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Status SetMeasurableCharacterRanges(INT rangeCount, |
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const CharacterRange *ranges) |
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{ |
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return updateStatus(DllExports::GdipSetStringFormatMeasurableCharacterRanges( |
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nativeStringFormat, rangeCount, ranges)); |
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} |
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Status SetTabStops(REAL firstTabOffset, INT count, const REAL *tabStops) |
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{ |
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return updateStatus(DllExports::GdipSetStringFormatTabStops( |
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nativeStringFormat, firstTabOffset, |
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count, tabStops)); |
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} |
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Status SetTrimming(StringTrimming trimming) |
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{ |
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return updateStatus(DllExports::GdipSetStringFormatTrimming( |
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nativeStringFormat, trimming)); |
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} |
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|
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private: |
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StringFormat(GpStringFormat *stringFormat, Status status): |
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nativeStringFormat(stringFormat), lastStatus(status) {} |
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StringFormat(const StringFormat&); |
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StringFormat& operator=(const StringFormat&); |
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|
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Status updateStatus(Status newStatus) const |
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{ |
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if (newStatus != Ok) lastStatus = newStatus; |
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return newStatus; |
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} |
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|
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GpStringFormat *nativeStringFormat; |
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mutable Status lastStatus; |
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}; |
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|
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|
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// FIXME: do StringFormat::GenericDefault() et al. need to be thread safe? |
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// FIXME: maybe put this in gdiplus.c? |
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|
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extern "C" void *_GdipStringFormatCachedGenericDefault; |
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extern "C" void *_GdipStringFormatCachedGenericTypographic; |
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|
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__inline__ const StringFormat* StringFormat::GenericDefault() |
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{ |
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if (!_GdipStringFormatCachedGenericDefault) { |
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GpStringFormat *nativeStringFormat = 0; |
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Status status = DllExports::GdipStringFormatGetGenericDefault( |
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&nativeStringFormat); |
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if (status == Ok && nativeStringFormat) { |
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_GdipStringFormatCachedGenericDefault = (void*) |
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new StringFormat(nativeStringFormat, Ok); |
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} |
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} |
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return (StringFormat*) _GdipStringFormatCachedGenericDefault; |
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} |
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|
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__inline__ const StringFormat* StringFormat::GenericTypographic() |
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{ |
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if (!_GdipStringFormatCachedGenericTypographic) { |
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GpStringFormat *nativeStringFormat = 0; |
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Status status = DllExports::GdipStringFormatGetGenericTypographic( |
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&nativeStringFormat); |
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if (status == Ok && nativeStringFormat) { |
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_GdipStringFormatCachedGenericTypographic = (void*) |
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new StringFormat(nativeStringFormat, Ok); |
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} |
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} |
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return (StringFormat*) _GdipStringFormatCachedGenericTypographic; |
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} |
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|
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|
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|
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#endif /* __GDIPLUS_STRINGFORMAT_H */ |
