#include <dali/integration-api/debug.h>
#include <dali/public-api/adaptor-framework/singleton-service.h>
#include <dali/public-api/text-abstraction/font-client.h>
+#include <dali/public-api/text-abstraction/script.h>
// INTERNAL INCLUDES
-#include <dali-toolkit/public-api/text/logical-model.h>
-#include <dali-toolkit/public-api/text/font-run.h>
-#include <dali-toolkit/public-api/text/script.h>
-#include <dali-toolkit/public-api/text/script-run.h>
+#include <dali-toolkit/internal/text/logical-model-impl.h>
+#include <dali-toolkit/internal/text/font-run.h>
+#include <dali-toolkit/internal/text/script-run.h>
+#include <dali-toolkit/internal/text/text-io.h>
namespace Dali
{
#if defined(DEBUG_ENABLED)
Debug::Filter* gLogFilter = Debug::Filter::New(Debug::Concise, true, "LOG_MULTI_LANGUAGE_SUPPORT");
#endif
+
+const Dali::Toolkit::Text::Character UTF32_A = 0x0041;
}
namespace Text
*/
bool IsValidForAllScripts( Character character )
{
- return ( IsWhiteSpace( character ) ||
- IsZeroWidthNonJoiner( character ) ||
- IsZeroWidthJoiner( character ) ||
- IsZeroWidthSpace( character ) ||
- IsLeftToRightMark( character ) ||
- IsRightToLeftMark( character ) ||
- IsThinSpace( character ) );
+ return ( TextAbstraction::IsWhiteSpace( character ) ||
+ TextAbstraction::IsZeroWidthNonJoiner( character ) ||
+ TextAbstraction::IsZeroWidthJoiner( character ) ||
+ TextAbstraction::IsZeroWidthSpace( character ) ||
+ TextAbstraction::IsLeftToRightMark( character ) ||
+ TextAbstraction::IsRightToLeftMark( character ) ||
+ TextAbstraction::IsThinSpace( character ) );
}
bool ValidateFontsPerScript::FindValidFont( FontId fontId ) const
}
// Get the script of the character.
- Script script = GetCharacterScript( character );
+ Script script = TextAbstraction::GetCharacterScript( character );
// Check if it is the first character of a paragraph.
if( firstValidScript &&
( TextAbstraction::UNKNOWN != script ) )
{
// Sets the direction of the first valid script.
- isParagraphRTL = ( TextAbstraction::ARABIC == script );
+ isParagraphRTL = TextAbstraction::IsRightToLeftScript( script );
firstValidScript = false;
}
{
// Current run needs to be stored and a new one initialized.
- if( isParagraphRTL != ( TextAbstraction::ARABIC == script ) )
+ if( isParagraphRTL != TextAbstraction::IsRightToLeftScript( script ) )
{
// Current script has different direction than the first script of the paragraph.
// All the previously skipped characters need to be added to the previous script before it's stored.
{
// Check in the valid fonts cache.
ValidateFontsPerScript* validateFontsPerScript = *( validFontsPerScriptCacheBuffer + script );
+
+ if( NULL == validateFontsPerScript )
+ {
+ validateFontsPerScript = new ValidateFontsPerScript();
+
+ mValidFontsPerScriptCache.PushBack( validateFontsPerScript );
+ validFontsPerScriptCacheBuffer = mValidFontsPerScriptCache.Begin();
+ }
+
if( NULL != validateFontsPerScript )
{
if( !validateFontsPerScript->FindValidFont( fontId ) )
{
// Use the font client to validate the font.
- const GlyphIndex glyphIndex = fontClient.GetGlyphIndex( fontId, character );
+ GlyphIndex glyphIndex = fontClient.GetGlyphIndex( fontId, character );
+
+ // Emojis are present in many monochrome fonts; prefer color by default.
+ if( TextAbstraction::EMOJI == script &&
+ 0u != glyphIndex )
+ {
+ BufferImage bitmap = fontClient.CreateBitmap( fontId, glyphIndex );
+ if( bitmap &&
+ Pixel::BGRA8888 != bitmap.GetPixelFormat() )
+ {
+ glyphIndex = 0;
+ }
+ }
if( 0u == glyphIndex )
{
}
}
}
- else
- {
- // Use the font client to validate the font.
- const GlyphIndex glyphIndex = fontClient.GetGlyphIndex( fontId, character );
-
- if( 0u == glyphIndex )
- {
- // Get the point size of the current font. It will be used to get a default font id.
- pointSize = fontClient.GetPointSize( fontId );
-
- // The font is not valid. Set to zero and a default one will be set.
- fontId = 0u;
- }
- else
- {
- // Add the font to the valid font cache.
- validateFontsPerScript = new ValidateFontsPerScript();
- *( validFontsPerScriptCacheBuffer + script ) = validateFontsPerScript;
-
- validateFontsPerScript->mValidFonts.PushBack( fontId );
- }
- }
}
- }
+ } // !isDefault
// The font has not been validated. Find a default one.
if( 0u == fontId )
// If the cache has not a default font, get one from the font client.
if( 0u == fontId )
{
+ // Emojis are present in many monochrome fonts; prefer color by default.
+ bool preferColor = ( TextAbstraction::EMOJI == script );
+
// Find a default font.
- fontId = fontClient.FindDefaultFont( character, pointSize );
+ fontId = fontClient.FindDefaultFont( character, pointSize, preferColor );
+
+ // If the system does not support a suitable font, fallback to Latin
+ if( 0u == fontId )
+ {
+ fontId = *( defaultFontPerScriptCacheBuffer + TextAbstraction::LATIN );
+ }
+ if( 0u == fontId )
+ {
+ fontId = fontClient.FindDefaultFont( UTF32_A, pointSize );
+ }
#ifdef DEBUG_ENABLED
Dali::TextAbstraction::FontDescription description;