V4 bmfont improved api

cocos/2d/CCFontAtlas.cpp

@@ -445,6 +445,7 @@ bool FontAtlas::prepareLetterDefinitions(const std::u32string& utf32Text)
             tempDef.height = tempDef.height / scaleFactor;
             tempDef.U = tempDef.U / scaleFactor;
             tempDef.V = tempDef.V / scaleFactor;
+            tempDef.rotated = false;
         }
         else{
             if(bitmap)
@@ -461,6 +462,7 @@ bool FontAtlas::prepareLetterDefinitions(const std::u32string& utf32Text)
             tempDef.offsetX = 0;
             tempDef.offsetY = 0;
             tempDef.textureID = 0;
+            tempDef.rotated = false;
             _currentPageOrigX += 1;
         }
 

cocos/2d/CCFontAtlas.h

@@ -55,6 +55,7 @@ struct FontLetterDefinition
     int textureID;
     bool validDefinition;
     int xAdvance;
+    bool rotated;
 };
 
 class CC_DLL FontAtlas : public Ref

cocos/2d/CCFontAtlasCache.cpp

@@ -88,22 +88,53 @@ FontAtlas* FontAtlasCache::getFontAtlasTTF(const _ttfConfig* config)
     return nullptr;
 }
 
-FontAtlas* FontAtlasCache::getFontAtlasFNT(const std::string& fontFileName, const Vec2& imageOffset /* = Vec2::ZERO */)
+FontAtlas* FontAtlasCache::getFontAtlasFNT(const std::string& fontFileName)
 {
-    auto realFontFilename = FileUtils::getInstance()->getNewFilename(fontFileName);  // resolves real file path, to prevent storing multiple atlases for the same file.
+    return getFontAtlasFNT(fontFileName, Rect::ZERO, false);
+}
+
+FontAtlas* FontAtlasCache::getFontAtlasFNT(const std::string& fontFileName, const std::string& subTextureKey)
+{
+    const auto realFontFilename = FileUtils::getInstance()->getNewFilename(fontFileName);  // resolves real file path, to prevent storing multiple atlases for the same file.
+    std::string atlasName = subTextureKey + " " + realFontFilename;
+
+    const auto it = _atlasMap.find(atlasName);
+    if (it == _atlasMap.end())
+    {
+        const auto font = FontFNT::create(realFontFilename, subTextureKey);
+
+        if (font)
+        {
+            const auto tempAtlas = font->createFontAtlas();
+            if (tempAtlas)
+            {
+                _atlasMap[atlasName] = tempAtlas;
+                return _atlasMap[atlasName];
+            }
+        }
+    }
+    else
+        return it->second;
+
+    return nullptr;
+}
+
+FontAtlas* FontAtlasCache::getFontAtlasFNT(const std::string& fontFileName, const Rect& imageRect, bool imageRotated)
+{
+    const auto realFontFilename = FileUtils::getInstance()->getNewFilename(fontFileName);  // resolves real file path, to prevent storing multiple atlases for the same file.
     char keyPrefix[ATLAS_MAP_KEY_PREFIX_BUFFER_SIZE];
-    snprintf(keyPrefix, ATLAS_MAP_KEY_PREFIX_BUFFER_SIZE, "%.2f %.2f ", imageOffset.x, imageOffset.y);
+    snprintf(keyPrefix, ATLAS_MAP_KEY_PREFIX_BUFFER_SIZE, "%.2f %.2f ", imageRect.origin.x, imageRect.origin.y);
     std::string atlasName(keyPrefix);
     atlasName += realFontFilename;
 
-    auto it = _atlasMap.find(atlasName);
+    const auto it = _atlasMap.find(atlasName);
     if ( it == _atlasMap.end() )
     {
-        auto font = FontFNT::create(realFontFilename, imageOffset);
+        const auto font = FontFNT::create(realFontFilename, imageRect, imageRotated);
 
         if(font)
         {
-            auto tempAtlas = font->createFontAtlas();
+            const auto tempAtlas = font->createFontAtlas();
             if (tempAtlas)
             {
                 _atlasMap[atlasName] = tempAtlas;
@@ -117,9 +148,14 @@ FontAtlas* FontAtlasCache::getFontAtlasFNT(const std::string& fontFileName, cons
     return nullptr;
 }
 
+FontAtlas* FontAtlasCache::getFontAtlasFNT(const std::string& fontFileName, const Vec2& imageOffset)
+{
+    return getFontAtlasFNT(fontFileName, Rect(imageOffset.x, imageOffset.y, 0, 0), false);
+}
+
 FontAtlas* FontAtlasCache::getFontAtlasCharMap(const std::string& plistFile)
 {
-    std::string atlasName = plistFile;
+    const std::string& atlasName = plistFile;
 
     auto it = _atlasMap.find(atlasName);
     if ( it == _atlasMap.end() )
@@ -220,10 +256,10 @@ bool FontAtlasCache::releaseFontAtlas(FontAtlas *atlas)
     return false;
 }
 
-void FontAtlasCache::reloadFontAtlasFNT(const std::string& fontFileName, const Vec2& imageOffset/* = Vec2::ZERO*/)
+void FontAtlasCache::reloadFontAtlasFNT(const std::string& fontFileName, const Rect& imageRect, bool imageRotated)
 {
     char keyPrefix[ATLAS_MAP_KEY_PREFIX_BUFFER_SIZE];
-    snprintf(keyPrefix, ATLAS_MAP_KEY_PREFIX_BUFFER_SIZE, "%.2f %.2f ", imageOffset.x, imageOffset.y);
+    snprintf(keyPrefix, ATLAS_MAP_KEY_PREFIX_BUFFER_SIZE, "%.2f %.2f ", imageRect.origin.x, imageRect.origin.y);
     std::string atlasName(keyPrefix);
     atlasName += fontFileName;
 
@@ -234,7 +270,7 @@ void FontAtlasCache::reloadFontAtlasFNT(const std::string& fontFileName, const V
         _atlasMap.erase(it);
     }
     FontFNT::reloadBMFontResource(fontFileName);
-    auto font = FontFNT::create(fontFileName, imageOffset);
+    auto font = FontFNT::create(fontFileName, imageRect, imageRotated);
     if (font)
     {
         auto tempAtlas = font->createFontAtlas();
@@ -243,7 +279,11 @@ void FontAtlasCache::reloadFontAtlasFNT(const std::string& fontFileName, const V
             _atlasMap[atlasName] = tempAtlas;
         }
     }
+}
 
+void FontAtlasCache::reloadFontAtlasFNT(const std::string& fontFileName, const Vec2& imageOffset)
+{
+    reloadFontAtlasFNT(fontFileName, Rect(imageOffset.x, imageOffset.y, 0, 0), false);
 }
 
 void FontAtlasCache::unloadFontAtlasTTF(const std::string& fontFileName)

cocos/2d/CCFontAtlasCache.h

@@ -42,7 +42,11 @@ class CC_DLL FontAtlasCache
 {  
 public:
     static FontAtlas* getFontAtlasTTF(const _ttfConfig* config);
-    static FontAtlas* getFontAtlasFNT(const std::string& fontFileName, const Vec2& imageOffset = Vec2::ZERO);
+
+    static FontAtlas* getFontAtlasFNT(const std::string& fontFileName);
+    static FontAtlas* getFontAtlasFNT(const std::string& fontFileName, const std::string& subTextureKey);
+    static FontAtlas* getFontAtlasFNT(const std::string& fontFileName, const Rect& imageRect, bool imageRotated);
+    CC_DEPRECATED_ATTRIBUTE static FontAtlas* getFontAtlasFNT(const std::string& fontFileName, const Vec2& imageOffset);
 
     static FontAtlas* getFontAtlasCharMap(const std::string& charMapFile, int itemWidth, int itemHeight, int startCharMap);
     static FontAtlas* getFontAtlasCharMap(Texture2D* texture, int itemWidth, int itemHeight, int startCharMap);
@@ -59,7 +63,9 @@ class CC_DLL FontAtlasCache
      CAUTION : All component use this font texture should be reset font name, though the file name is same!
                otherwise, it will cause program crash!
     */
-    static void reloadFontAtlasFNT(const std::string& fontFileName, const Vec2& imageOffset = Vec2::ZERO);
+    static void reloadFontAtlasFNT(const std::string& fontFileName, const Rect& imageRect, bool imageRotated);
+
+    CC_DEPRECATED_ATTRIBUTE static void reloadFontAtlasFNT(const std::string& fontFileName, const Vec2& imageOffset = Vec2::ZERO);
 
     /** Unload all texture atlas texture create by special file name.
      CAUTION : All component use this font texture should be reset font name, though the file name is same!

cocos/2d/CCFontCharMap.cpp

@@ -126,6 +126,7 @@ FontAtlas * FontCharMap::createFontAtlas()
     tempDefinition.width = _itemWidth / contentScaleFactor;
     tempDefinition.height = _itemHeight / contentScaleFactor;
     tempDefinition.xAdvance = _itemWidth;
+    tempDefinition.rotated = false;
 
     int charId = _mapStartChar;
     for (int row = 0; row < itemsPerColumn; ++row)