ICU-6.2.10.tar.gz

[apple/icu.git] / icuSources / samples / layout / paragraph.cpp

diff --git a/icuSources/samples/layout/paragraph.cpp b/icuSources/samples/layout/paragraph.cpp
index 1bbac30c80ab3c0321f338cfd867c1c3fb6ef905..2ac4504ed6dda16a604d83c9e6f36d1ac538bd17 100644 (file)
--- a/icuSources/samples/layout/paragraph.cpp
+++ b/icuSources/samples/layout/paragraph.cpp
@@ -27,14 +27,24 @@
 #define MARGIN 10
 #define LINE_GROW 32
 
 #define MARGIN 10
 #define LINE_GROW 32
 

-Paragraph::Paragraph(const LEUnicode chars[], int32_t charCount, const FontRuns *fontRuns)
+Paragraph::Paragraph(const LEUnicode chars[], int32_t charCount, const FontRuns *fontRuns, LEErrorCode &status)

   : fParagraphLayout(NULL), fLineCount(0), fLinesMax(0), fLinesGrow(LINE_GROW), fLines(NULL), fChars(NULL),
     fLineHeight(-1), fAscent(-1), fWidth(-1), fHeight(-1)
 {
   : fParagraphLayout(NULL), fLineCount(0), fLinesMax(0), fLinesGrow(LINE_GROW), fLines(NULL), fChars(NULL),
     fLineHeight(-1), fAscent(-1), fWidth(-1), fHeight(-1)
 {

+       if (LE_FAILURE(status)) {
+               return;
+       }
+
+       LocaleRuns *locales = NULL;
+

     fChars = LE_NEW_ARRAY(LEUnicode, charCount);
     LE_ARRAY_COPY(fChars, chars, charCount);
 
     fChars = LE_NEW_ARRAY(LEUnicode, charCount);
     LE_ARRAY_COPY(fChars, chars, charCount);
 

-    fParagraphLayout = new ParagraphLayout(fChars, charCount, fontRuns, NULL, NULL, NULL, UBIDI_LTR, false);
+    fParagraphLayout = new ParagraphLayout(fChars, charCount, fontRuns, NULL, NULL, locales, UBIDI_DEFAULT_LTR, FALSE, status);
+
+       if (LE_FAILURE(status)) {
+               return;
+       }

 
     le_int32 ascent  = fParagraphLayout->getAscent();
     le_int32 descent = fParagraphLayout->getDescent();
 
     le_int32 ascent  = fParagraphLayout->getAscent();
     le_int32 descent = fParagraphLayout->getDescent();


@@ -102,6 +112,13 @@ void Paragraph::draw(RenderingSurface *surface, le_int32 firstLine, le_int32 las
         le_int32 runCount = line->countRuns();
         le_int32 run;
 
         le_int32 runCount = line->countRuns();
         le_int32 run;
 

+               if (fParagraphLayout->getParagraphLevel() == UBIDI_RTL) {
+                       le_int32 lastX = line->getWidth();
+
+                       x = (fWidth - lastX - MARGIN);
+               }
+
+

         for (run = 0; run < runCount; run += 1) {
             const ParagraphLayout::VisualRun *visualRun = line->getVisualRun(run);
             le_int32 glyphCount = visualRun->getGlyphCount();
         for (run = 0; run < runCount; run += 1) {
             const ParagraphLayout::VisualRun *visualRun = line->getVisualRun(run);
             le_int32 glyphCount = visualRun->getGlyphCount();


@@ -118,8 +135,7 @@ void Paragraph::draw(RenderingSurface *surface, le_int32 firstLine, le_int32 las
 
 Paragraph *Paragraph::paragraphFactory(const char *fileName, const LEFontInstance *font, GUISupport *guiSupport)
 {
 
 Paragraph *Paragraph::paragraphFactory(const char *fileName, const LEFontInstance *font, GUISupport *guiSupport)
 {

-    LEErrorCode fontStatus  = LE_NO_ERROR;
-    UErrorCode scriptStatus = U_ZERO_ERROR;
+    LEErrorCode status  = LE_NO_ERROR;

     le_int32 charCount;
     const UChar *text = UnicodeReader::readFile(fileName, guiSupport, charCount);
     Paragraph *result = NULL;
     le_int32 charCount;
     const UChar *text = UnicodeReader::readFile(fileName, guiSupport, charCount);
     Paragraph *result = NULL;


@@ -132,7 +148,12 @@ Paragraph *Paragraph::paragraphFactory(const char *fileName, const LEFontInstanc
 
     fontRuns.add(font, charCount);
 
 
     fontRuns.add(font, charCount);
 

-    result = new Paragraph(text, charCount, &fontRuns);
+    result = new Paragraph(text, charCount, &fontRuns, status);
+
+       if (LE_FAILURE(status)) {
+               delete result;
+               result = NULL;
+       }

 
     LE_DELETE_ARRAY(text);
 
 
     LE_DELETE_ARRAY(text);