#include <dali/integration-api/platform-abstraction.h>
#include <dali/internal/adaptor/common/adaptor-impl.h>
#include <dali/internal/imaging/common/image-operations.h>
+#include <dali/internal/text/text-abstraction/plugin/bitmap-font-cache-item.h>
+#include <dali/internal/text/text-abstraction/plugin/embedded-item.h>
#include <dali/internal/text/text-abstraction/plugin/font-client-utils.h>
+#include <dali/internal/text/text-abstraction/plugin/font-face-cache-item.h>
#include <dali/public-api/common/dali-vector.h>
#include <dali/public-api/common/vector-wrapper.h>
using Dali::Vector;
using namespace std;
-namespace Dali
-{
-namespace TextAbstraction
-{
-namespace Internal
+namespace Dali::TextAbstraction::Internal
{
/**
* @brief Free the resources allocated by the FcCharSet objects.
{
}
-FontClient::Plugin::FontFaceCacheItem::FontFaceCacheItem(FT_Face ftFace,
- const FontPath& path,
- PointSize26Dot6 requestedPointSize,
- FaceIndex face,
- const FontMetrics& metrics)
-: mFreeTypeFace(ftFace),
- mPath(path),
- mRequestedPointSize(requestedPointSize),
- mFaceIndex(face),
- mMetrics(metrics),
- mCharacterSet(nullptr),
- mFixedSizeIndex(0),
- mFixedWidthPixels(0.f),
- mFixedHeightPixels(0.f),
- mVectorFontId(0u),
- mFontId(0u),
- mIsFixedSizeBitmap(false),
- mHasColorTables(false)
-{
-}
-
-FontClient::Plugin::FontFaceCacheItem::FontFaceCacheItem(FT_Face ftFace,
- const FontPath& path,
- PointSize26Dot6 requestedPointSize,
- FaceIndex face,
- const FontMetrics& metrics,
- int fixedSizeIndex,
- float fixedWidth,
- float fixedHeight,
- bool hasColorTables)
-: mFreeTypeFace(ftFace),
- mPath(path),
- mRequestedPointSize(requestedPointSize),
- mFaceIndex(face),
- mMetrics(metrics),
- mCharacterSet(nullptr),
- mFixedSizeIndex(fixedSizeIndex),
- mFixedWidthPixels(fixedWidth),
- mFixedHeightPixels(fixedHeight),
- mVectorFontId(0u),
- mFontId(0u),
- mIsFixedSizeBitmap(true),
- mHasColorTables(hasColorTables)
-{
-}
-
FontClient::Plugin::Plugin(unsigned int horizontalDpi,
unsigned int verticalDpi)
: mFreeTypeLibrary(nullptr),
{
DALI_LOG_TRACE_METHOD(gFontClientLogFilter);
DALI_LOG_INFO(gFontClientLogFilter, Debug::General, " font id : %d\n", id);
- const FontId index = id - 1u;
- if((id > 0u) &&
- (index < mFontIdCache.Count()))
+ PointSize26Dot6 pointSize = TextAbstraction::FontClient::DEFAULT_POINT_SIZE;
+ const FontCacheItemInterface* fontCacheItem = GetCachedFontItem(id);
+ if(fontCacheItem != nullptr)
{
- const FontIdCacheItem& fontIdCacheItem = mFontIdCache[index];
-
- switch(fontIdCacheItem.type)
- {
- case FontDescription::FACE_FONT:
- {
- DALI_LOG_INFO(gFontClientLogFilter, Debug::General, " point size : %d\n", (*(mFontFaceCache.begin() + fontIdCacheItem.id)).mRequestedPointSize);
- return (*(mFontFaceCache.begin() + fontIdCacheItem.id)).mRequestedPointSize;
- }
- case FontDescription::BITMAP_FONT:
- {
- return TextAbstraction::FontClient::DEFAULT_POINT_SIZE;
- }
- default:
- {
- DALI_LOG_INFO(gFontClientLogFilter, Debug::General, " Invalid type of font\n");
- }
- }
- }
- else
- {
- DALI_LOG_INFO(gFontClientLogFilter, Debug::General, " Invalid font ID %d\n", id);
+ pointSize = fontCacheItem->GetPointSize();
}
+ DALI_LOG_INFO(gFontClientLogFilter, Debug::General, " point size : %d\n", pointSize);
- DALI_LOG_INFO(gFontClientLogFilter, Debug::General, " default point size : %d\n", TextAbstraction::FontClient::DEFAULT_POINT_SIZE);
- return TextAbstraction::FontClient::DEFAULT_POINT_SIZE;
+ return pointSize;
}
bool FontClient::Plugin::IsCharacterSupportedByFont(FontId fontId, Character character)
DALI_LOG_INFO(gFontClientLogFilter, Debug::General, " font id : %d\n", fontId);
DALI_LOG_INFO(gFontClientLogFilter, Debug::General, " character : %p\n", character);
- if((fontId < 1u) || (fontId > mFontIdCache.Count()))
+ bool isSupported = false;
+ auto fontCacheItem = const_cast<FontCacheItemInterface*>(GetCachedFontItem(fontId));
+ if(fontCacheItem != nullptr)
{
- DALI_LOG_INFO(gFontClientLogFilter, Debug::General, " Invalid font id. Number of items in the cache: %d\n", mFontIdCache.Count());
- return false;
+ isSupported = fontCacheItem->IsCharacterSupported(character); // May cache
}
- --fontId;
-
- bool isSupported = false;
-
- const FontIdCacheItem& fontIdCacheItem = mFontIdCache[fontId];
+ DALI_LOG_INFO(gFontClientLogFilter, Debug::General, " is supported : %s\n", (isSupported ? "true" : "false"));
+ return isSupported;
+}
- switch(fontIdCacheItem.type)
+const FontCacheItemInterface* FontClient::Plugin::GetCachedFontItem(FontId id) const
+{
+ const FontId index = id - 1u;
+ if((id > 0u) && (index < mFontIdCache.Count()))
{
- case FontDescription::FACE_FONT:
+ const FontIdCacheItem& fontIdCacheItem = mFontIdCache[index];
+ switch(fontIdCacheItem.type)
{
- if(fontIdCacheItem.id < mFontFaceCache.size())
+ case FontDescription::FACE_FONT:
{
- FontFaceCacheItem& cacheItem = mFontFaceCache[fontIdCacheItem.id];
-
- if(nullptr == cacheItem.mCharacterSet)
- {
- // Create again the character set.
- // It can be null if the ResetSystemDefaults() method has been called.
-
- FontDescription description;
- description.path = cacheItem.mPath;
- description.family = std::move(FontFamily(cacheItem.mFreeTypeFace->family_name));
- description.weight = FontWeight::NONE;
- description.width = FontWidth::NONE;
- description.slant = FontSlant::NONE;
-
- // Note FreeType doesn't give too much info to build a proper font style.
- if(cacheItem.mFreeTypeFace->style_flags & FT_STYLE_FLAG_ITALIC)
- {
- description.slant = FontSlant::ITALIC;
- }
- if(cacheItem.mFreeTypeFace->style_flags & FT_STYLE_FLAG_BOLD)
- {
- description.weight = FontWeight::BOLD;
- }
-
- cacheItem.mCharacterSet = FcCharSetCopy(CreateCharacterSetFromDescription(description));
- }
-
- isSupported = FcCharSetHasChar(cacheItem.mCharacterSet, character);
+ return &mFontFaceCache[fontIdCacheItem.id];
}
- break;
- }
- case FontDescription::BITMAP_FONT:
- {
- const BitmapFont& bitmapFont = mBitmapFontCache[fontIdCacheItem.id].font;
-
- for(const auto& glyph : bitmapFont.glyphs)
+ case FontDescription::BITMAP_FONT:
{
- if(glyph.utf32 == character)
- {
- isSupported = true;
- break;
- }
+ return &mBitmapFontCache[fontIdCacheItem.id];
+ }
+ default:
+ {
+ DALI_LOG_INFO(gFontClientLogFilter, Debug::General, " Invalid type of font\n");
}
- break;
- }
- default:
- {
- DALI_LOG_INFO(gFontClientLogFilter, Debug::General, " Invalid type of font\n");
}
}
-
- DALI_LOG_INFO(gFontClientLogFilter, Debug::General, " is supported : %s\n", (isSupported ? "true" : "false"));
- return isSupported;
+ return nullptr;
}
FontId FontClient::Plugin::FindFontForCharacter(const FontList& fontList,
}
}
- BitmapFontCacheItem bitmapFontCacheItem;
- bitmapFontCacheItem.font = bitmapFont;
- bitmapFontCacheItem.id = mFontIdCache.Count();
-
- // Resize the vector with the pixel buffers.
- bitmapFontCacheItem.pixelBuffers.resize(bitmapFont.glyphs.size());
-
- // Traverse all the glyphs and load the pixel buffer of those with ascender and descender equal to zero.
- unsigned int index = 0u;
- for(auto& glyph : bitmapFontCacheItem.font.glyphs)
- {
- Devel::PixelBuffer& pixelBuffer = bitmapFontCacheItem.pixelBuffers[index];
-
- if(EqualsZero(glyph.ascender) && EqualsZero(glyph.descender))
- {
- // Load the glyph.
- pixelBuffer = LoadImageFromFile(glyph.url);
-
- if(pixelBuffer)
- {
- glyph.ascender = static_cast<float>(pixelBuffer.GetHeight());
- }
- }
-
- bitmapFontCacheItem.font.ascender = std::max(glyph.ascender, bitmapFontCacheItem.font.ascender);
- bitmapFontCacheItem.font.descender = std::min(glyph.descender, bitmapFontCacheItem.font.descender);
-
- ++index;
- }
+ BitmapFontCacheItem bitmapFontCacheItem(bitmapFont, mFontIdCache.Count());
FontIdCacheItem fontIdCacheItem;
fontIdCacheItem.type = FontDescription::BITMAP_FONT;
void FontClient::Plugin::GetFontMetrics(FontId fontId,
FontMetrics& metrics)
{
- const FontId index = fontId - 1u;
-
- if((fontId > 0) &&
- (index < mFontIdCache.Count()))
- {
- const FontIdCacheItem& fontIdCacheItem = mFontIdCache[index];
-
- switch(fontIdCacheItem.type)
- {
- case FontDescription::FACE_FONT:
- {
- const FontFaceCacheItem& font = mFontFaceCache[fontIdCacheItem.id];
-
- metrics = font.mMetrics;
-
- // Adjust the metrics if the fixed-size font should be down-scaled
- if(font.mIsFixedSizeBitmap)
- {
- const float desiredFixedSize = static_cast<float>(font.mRequestedPointSize) * FROM_266 / POINTS_PER_INCH * mDpiVertical;
-
- if(desiredFixedSize > 0.f)
- {
- const float scaleFactor = desiredFixedSize / font.mFixedHeightPixels;
-
- metrics.ascender = metrics.ascender * scaleFactor;
- metrics.descender = metrics.descender * scaleFactor;
- metrics.height = metrics.height * scaleFactor;
- metrics.underlinePosition = metrics.underlinePosition * scaleFactor;
- metrics.underlineThickness = metrics.underlineThickness * scaleFactor;
- }
- }
- break;
- }
- case FontDescription::BITMAP_FONT:
- {
- const BitmapFontCacheItem& bitmapFontCacheItem = mBitmapFontCache[fontIdCacheItem.id];
-
- metrics.ascender = bitmapFontCacheItem.font.ascender;
- metrics.descender = bitmapFontCacheItem.font.descender;
- metrics.height = metrics.ascender - metrics.descender;
- metrics.underlinePosition = bitmapFontCacheItem.font.underlinePosition;
- metrics.underlineThickness = bitmapFontCacheItem.font.underlineThickness;
- break;
- }
- default:
- {
- DALI_LOG_INFO(gFontClientLogFilter, Debug::General, " Invalid type of font\n");
- }
- }
- }
- else
+ const FontCacheItemInterface* fontCacheItem = GetCachedFontItem(fontId);
+ if(fontCacheItem != nullptr)
{
- DALI_LOG_INFO(gFontClientLogFilter, Debug::General, "FontClient::Plugin::GetFontMetrics. Invalid font id : %d\n", fontId);
+ fontCacheItem->GetFontMetrics(metrics, mDpiVertical);
}
}
GlyphIndex FontClient::Plugin::GetGlyphIndex(FontId fontId,
Character charcode)
{
- GlyphIndex glyphIndex = 0u;
- const FontId index = fontId - 1u;
-
- if((fontId > 0u) &&
- (index < mFontIdCache.Count()))
+ const FontCacheItemInterface* fontCacheItem = GetCachedFontItem(fontId);
+ if(fontCacheItem != nullptr)
{
- const FontIdCacheItem& fontIdCacheItem = mFontIdCache[index];
-
- if(FontDescription::FACE_FONT == fontIdCacheItem.type)
- {
- FT_Face ftFace = mFontFaceCache[fontIdCacheItem.id].mFreeTypeFace;
-
- glyphIndex = FT_Get_Char_Index(ftFace, charcode);
- }
+ return fontCacheItem->GetGlyphIndex(charcode);
}
- return glyphIndex;
+ return 0u;
}
bool FontClient::Plugin::GetGlyphMetrics(GlyphInfo* array,
uint32_t size,
bool horizontal)
{
- bool success(true);
+ bool success(false);
for(unsigned int i = 0; i < size; ++i)
{
GlyphInfo& glyph = array[i];
- FontId index = glyph.fontId - 1u;
-
- if((glyph.fontId > 0u) &&
- (index < mFontIdCache.Count()))
+ const FontCacheItemInterface* fontCacheItem = GetCachedFontItem(glyph.fontId);
+ if(fontCacheItem != nullptr)
{
- const FontIdCacheItem& fontIdCacheItem = mFontIdCache[index];
-
- switch(fontIdCacheItem.type)
- {
- case FontDescription::FACE_FONT:
- {
- const FontFaceCacheItem& font = mFontFaceCache[fontIdCacheItem.id];
-
- FT_Face ftFace = font.mFreeTypeFace;
-
-#ifdef FREETYPE_BITMAP_SUPPORT
- // Check to see if we should be loading a Fixed Size bitmap?
- if(font.mIsFixedSizeBitmap)
- {
- FT_Select_Size(ftFace, font.mFixedSizeIndex); ///< @todo: needs to be investigated why it's needed to select the size again.
- int error = FT_Load_Glyph(ftFace, glyph.index, FT_LOAD_COLOR);
- if(FT_Err_Ok == error)
- {
- glyph.width = font.mFixedWidthPixels;
- glyph.height = font.mFixedHeightPixels;
- glyph.advance = font.mFixedWidthPixels;
- glyph.xBearing = 0.0f;
- glyph.yBearing = font.mFixedHeightPixels;
-
- // Adjust the metrics if the fixed-size font should be down-scaled
- const float desiredFixedSize = static_cast<float>(font.mRequestedPointSize) * FROM_266 / POINTS_PER_INCH * mDpiVertical;
-
- if(desiredFixedSize > 0.f)
- {
- const float scaleFactor = desiredFixedSize / font.mFixedHeightPixels;
-
- glyph.width = glyph.width * scaleFactor;
- glyph.height = glyph.height * scaleFactor;
- glyph.advance = glyph.advance * scaleFactor;
- glyph.xBearing = glyph.xBearing * scaleFactor;
- glyph.yBearing = glyph.yBearing * scaleFactor;
-
- glyph.scaleFactor = scaleFactor;
- }
- }
- else
- {
- DALI_LOG_INFO(gFontClientLogFilter, Debug::General, "FontClient::Plugin::GetBitmapMetrics. FreeType Bitmap Load_Glyph error %d\n", error);
- success = false;
- }
- }
- else
-#endif
- {
- // FT_LOAD_DEFAULT causes some issues in the alignment of the glyph inside the bitmap.
- // i.e. with the SNum-3R font.
- // @todo: add an option to use the FT_LOAD_DEFAULT if required?
- int error = FT_Load_Glyph(ftFace, glyph.index, FT_LOAD_NO_AUTOHINT);
-
- // Keep the width of the glyph before doing the software emboldening.
- // It will be used to calculate a scale factor to be applied to the
- // advance as Harfbuzz doesn't apply any SW emboldening to calculate
- // the advance of the glyph.
- const float width = static_cast<float>(ftFace->glyph->metrics.width) * FROM_266;
-
- if(FT_Err_Ok == error)
- {
- const bool isEmboldeningRequired = glyph.isBoldRequired && !(ftFace->style_flags & FT_STYLE_FLAG_BOLD);
- if(isEmboldeningRequired)
- {
- // Does the software bold.
- FT_GlyphSlot_Embolden(ftFace->glyph);
- }
-
- glyph.width = static_cast<float>(ftFace->glyph->metrics.width) * FROM_266;
- glyph.height = static_cast<float>(ftFace->glyph->metrics.height) * FROM_266;
- if(horizontal)
- {
- glyph.xBearing += static_cast<float>(ftFace->glyph->metrics.horiBearingX) * FROM_266;
- glyph.yBearing += static_cast<float>(ftFace->glyph->metrics.horiBearingY) * FROM_266;
- }
- else
- {
- glyph.xBearing += static_cast<float>(ftFace->glyph->metrics.vertBearingX) * FROM_266;
- glyph.yBearing += static_cast<float>(ftFace->glyph->metrics.vertBearingY) * FROM_266;
- }
-
- if(isEmboldeningRequired && !Dali::EqualsZero(width))
- {
- // If the glyph is emboldened by software, the advance is multiplied by a
- // scale factor to make it slightly bigger.
- glyph.advance *= (glyph.width / width);
- }
-
- // Use the bounding box of the bitmap to correct the metrics.
- // For some fonts i.e the SNum-3R the metrics need to be corrected,
- // otherwise the glyphs 'dance' up and down depending on the
- // font's point size.
-
- FT_Glyph ftGlyph;
- error = FT_Get_Glyph(ftFace->glyph, &ftGlyph);
-
- FT_BBox bbox;
- FT_Glyph_Get_CBox(ftGlyph, FT_GLYPH_BBOX_GRIDFIT, &bbox);
-
- const float descender = glyph.height - glyph.yBearing;
- glyph.height = (bbox.yMax - bbox.yMin) * FROM_266;
- glyph.yBearing = glyph.height - round(descender);
-
- // Created FT_Glyph object must be released with FT_Done_Glyph
- FT_Done_Glyph(ftGlyph);
- }
- else
- {
- success = false;
- }
- }
- break;
- }
- case FontDescription::BITMAP_FONT:
- {
- BitmapFontCacheItem& bitmapFontCacheItem = mBitmapFontCache[fontIdCacheItem.id];
-
- unsigned int index = 0u;
- for(auto& item : bitmapFontCacheItem.font.glyphs)
- {
- if(item.utf32 == glyph.index)
- {
- Devel::PixelBuffer& pixelBuffer = bitmapFontCacheItem.pixelBuffers[index];
- if(!pixelBuffer)
- {
- pixelBuffer = LoadImageFromFile(item.url);
- }
-
- glyph.width = static_cast<float>(pixelBuffer.GetWidth());
- glyph.height = static_cast<float>(pixelBuffer.GetHeight());
- glyph.xBearing = 0.f;
- glyph.yBearing = glyph.height + item.descender;
- glyph.advance = glyph.width;
- glyph.scaleFactor = 1.f;
- break;
- }
- ++index;
- }
-
- success = true;
- break;
- }
- default:
- {
- DALI_LOG_INFO(gFontClientLogFilter, Debug::General, " Invalid type of font\n");
- }
- }
+ success = fontCacheItem->GetGlyphMetrics(glyph, mDpiVertical, horizontal);
}
- else
+ // Check if it's an embedded image.
+ else if((0u == glyph.fontId) && (0u != glyph.index) && (glyph.index <= mEmbeddedItemCache.Count()))
{
- // Check if it's an embedded image.
- if((0u == glyph.fontId) && (0u != glyph.index) && (glyph.index <= mEmbeddedItemCache.Count()))
- {
- const EmbeddedItem& item = mEmbeddedItemCache[glyph.index - 1u];
-
- glyph.width = static_cast<float>(item.width);
- glyph.height = static_cast<float>(item.height);
- glyph.xBearing = 0.f;
- glyph.yBearing = glyph.height;
- glyph.advance = glyph.width;
- glyph.scaleFactor = 1.f;
- }
- else
- {
- success = false;
- }
+ mEmbeddedItemCache[glyph.index - 1u].GetGlyphMetrics(glyph);
+ success = true;
}
}
void FontClient::Plugin::CreateBitmap(FontId fontId, GlyphIndex glyphIndex, bool isItalicRequired, bool isBoldRequired, Dali::TextAbstraction::FontClient::GlyphBufferData& data, int outlineWidth)
{
- const FontId index = fontId - 1u;
-
- if((fontId > 0u) &&
- (index < mFontIdCache.Count()))
+ data.isColorBitmap = false;
+ data.isColorEmoji = false;
+ const FontCacheItemInterface* fontCacheItem = GetCachedFontItem(fontId);
+ if(fontCacheItem != nullptr)
{
- data.isColorBitmap = false;
- data.isColorEmoji = false;
-
- const FontIdCacheItem& fontIdCacheItem = mFontIdCache[index];
-
- switch(fontIdCacheItem.type)
- {
- case FontDescription::FACE_FONT:
- {
- // For the software italics.
- bool isShearRequired = false;
-
- const FontFaceCacheItem& fontFaceCacheItem = mFontFaceCache[fontIdCacheItem.id];
- FT_Face ftFace = fontFaceCacheItem.mFreeTypeFace;
-
- FT_Error error;
-
-#ifdef FREETYPE_BITMAP_SUPPORT
- // Check to see if this is fixed size bitmap
- if(fontFaceCacheItem.mIsFixedSizeBitmap)
- {
- error = FT_Load_Glyph(ftFace, glyphIndex, FT_LOAD_COLOR);
- }
- else
-#endif
- {
- // FT_LOAD_DEFAULT causes some issues in the alignment of the glyph inside the bitmap.
- // i.e. with the SNum-3R font.
- // @todo: add an option to use the FT_LOAD_DEFAULT if required?
- error = FT_Load_Glyph(ftFace, glyphIndex, FT_LOAD_NO_AUTOHINT);
- }
- if(FT_Err_Ok == error)
- {
- if(isBoldRequired && !(ftFace->style_flags & FT_STYLE_FLAG_BOLD))
- {
- // Does the software bold.
- FT_GlyphSlot_Embolden(ftFace->glyph);
- }
-
- if(isItalicRequired && !(ftFace->style_flags & FT_STYLE_FLAG_ITALIC))
- {
- // Will do the software italic.
- isShearRequired = true;
- }
-
- FT_Glyph glyph;
- error = FT_Get_Glyph(ftFace->glyph, &glyph);
-
- // Convert to bitmap if necessary
- if(FT_Err_Ok == error)
- {
- if(glyph->format != FT_GLYPH_FORMAT_BITMAP)
- {
- int offsetX = 0, offsetY = 0;
- bool isOutlineGlyph = (glyph->format == FT_GLYPH_FORMAT_OUTLINE && outlineWidth > 0);
-
- // Create a bitmap for the outline
- if(isOutlineGlyph)
- {
- // Retrieve the horizontal and vertical distance from the current pen position to the
- // left and top border of the glyph bitmap for a normal glyph before applying the outline.
- if(FT_Err_Ok == error)
- {
- FT_Glyph normalGlyph;
- error = FT_Get_Glyph(ftFace->glyph, &normalGlyph);
-
- error = FT_Glyph_To_Bitmap(&normalGlyph, FT_RENDER_MODE_NORMAL, 0, 1);
- if(FT_Err_Ok == error)
- {
- FT_BitmapGlyph bitmapGlyph = reinterpret_cast<FT_BitmapGlyph>(normalGlyph);
-
- offsetX = bitmapGlyph->left;
- offsetY = bitmapGlyph->top;
- }
-
- // Created FT_Glyph object must be released with FT_Done_Glyph
- FT_Done_Glyph(normalGlyph);
- }
-
- // Now apply the outline
-
- // Set up a stroker
- FT_Stroker stroker;
- error = FT_Stroker_New(mFreeTypeLibrary, &stroker);
-
- if(FT_Err_Ok == error)
- {
- FT_Stroker_Set(stroker, outlineWidth * 64, FT_STROKER_LINECAP_ROUND, FT_STROKER_LINEJOIN_ROUND, 0);
- error = FT_Glyph_StrokeBorder(&glyph, stroker, 0, 1);
-
- if(FT_Err_Ok == error)
- {
- FT_Stroker_Done(stroker);
- }
- else
- {
- DALI_LOG_ERROR("FT_Glyph_StrokeBorder Failed with error: %d\n", error);
- }
- }
- else
- {
- DALI_LOG_ERROR("FT_Stroker_New Failed with error: %d\n", error);
- }
- }
-
- error = FT_Glyph_To_Bitmap(&glyph, FT_RENDER_MODE_NORMAL, 0, 1);
- if(FT_Err_Ok == error)
- {
- FT_BitmapGlyph bitmapGlyph = reinterpret_cast<FT_BitmapGlyph>(glyph);
-
- if(isOutlineGlyph)
- {
- // Calculate the additional horizontal and vertical offsets needed for the position of the outline glyph
- data.outlineOffsetX = offsetX - bitmapGlyph->left - outlineWidth;
- data.outlineOffsetY = bitmapGlyph->top - offsetY - outlineWidth;
- }
-
- ConvertBitmap(data, bitmapGlyph->bitmap, isShearRequired);
- }
- else
- {
- DALI_LOG_INFO(gFontClientLogFilter, Debug::General, "FontClient::Plugin::CreateBitmap. FT_Get_Glyph Failed with error: %d\n", error);
- }
- }
- else
- {
- ConvertBitmap(data, ftFace->glyph->bitmap, isShearRequired);
- }
-
- data.isColorEmoji = fontFaceCacheItem.mIsFixedSizeBitmap;
-
- // Created FT_Glyph object must be released with FT_Done_Glyph
- FT_Done_Glyph(glyph);
- }
- }
- else
- {
- DALI_LOG_INFO(gFontClientLogFilter, Debug::General, "FontClient::Plugin::CreateBitmap. FT_Load_Glyph Failed with error: %d\n", error);
- }
- break;
- }
- case FontDescription::BITMAP_FONT:
- {
- BitmapFontCacheItem& bitmapFontCacheItem = mBitmapFontCache[fontIdCacheItem.id];
-
- unsigned int index = 0u;
- for(auto& item : bitmapFontCacheItem.font.glyphs)
- {
- if(item.utf32 == glyphIndex)
- {
- Devel::PixelBuffer& pixelBuffer = bitmapFontCacheItem.pixelBuffers[index];
- if(!pixelBuffer)
- {
- pixelBuffer = LoadImageFromFile(item.url);
- }
-
- data.width = pixelBuffer.GetWidth();
- data.height = pixelBuffer.GetHeight();
-
- data.isColorBitmap = bitmapFontCacheItem.font.isColorFont;
-
- ConvertBitmap(data, data.width, data.height, pixelBuffer.GetBuffer());
-
- // Sets the pixel format.
- data.format = pixelBuffer.GetPixelFormat();
- break;
- }
- ++index;
- }
- break;
- }
- default:
- {
- DALI_LOG_INFO(gFontClientLogFilter, Debug::General, " Invalid type of font\n");
- }
- }
+ fontCacheItem->CreateBitmap(glyphIndex, data, outlineWidth, isItalicRequired, isBoldRequired);
}
- else
+ else if((0u != glyphIndex) && (glyphIndex <= mEmbeddedItemCache.Count()))
{
- if((0u != glyphIndex) && (glyphIndex <= mEmbeddedItemCache.Count()))
- {
- // It's an embedded item.
- const EmbeddedItem& item = mEmbeddedItemCache[glyphIndex - 1u];
-
- data.width = item.width;
- data.height = item.height;
- if(0u != item.pixelBufferId)
- {
- Devel::PixelBuffer pixelBuffer = mPixelBufferCache[item.pixelBufferId - 1u].pixelBuffer;
- if(pixelBuffer)
- {
- ConvertBitmap(data, pixelBuffer.GetWidth(), pixelBuffer.GetHeight(), pixelBuffer.GetBuffer());
-
- // Sets the pixel format.
- data.format = pixelBuffer.GetPixelFormat();
- }
- }
- else
- {
- // Creates the output buffer
- const unsigned int bufferSize = data.width * data.height * 4u;
- data.buffer = new unsigned char[bufferSize]; // @note The caller is responsible for deallocating the bitmap data using delete[].
-
- memset(data.buffer, 0u, bufferSize);
-
- // Just creates a void buffer. Doesn't matter what pixel format is set as is the application code the responsible of filling it.
- }
- }
+ // It's an embedded item.
+ mEmbeddedItemCache[glyphIndex - 1u].CreateBitmap(mPixelBufferCache, data);
}
}
bool FontClient::Plugin::IsColorGlyph(FontId fontId, GlyphIndex glyphIndex)
{
- FT_Error error = -1;
-
- const FontId index = fontId - 1u;
-
- if((fontId > 0u) &&
- (index < mFontIdCache.Count()))
- {
- const FontIdCacheItem& fontIdCacheItem = mFontIdCache[index];
-
- switch(fontIdCacheItem.type)
- {
- case FontDescription::FACE_FONT:
- {
-#ifdef FREETYPE_BITMAP_SUPPORT
- const FontFaceCacheItem& item = mFontFaceCache[fontIdCacheItem.id];
- FT_Face ftFace = item.mFreeTypeFace;
-
- // Check to see if this is fixed size bitmap
- if(item.mHasColorTables)
- {
- error = FT_Load_Glyph(ftFace, glyphIndex, FT_LOAD_COLOR);
- }
-#endif
- break;
- }
- case FontDescription::BITMAP_FONT:
- {
- error = FT_Err_Ok; // Will return true;
- break;
- }
- default:
- {
- DALI_LOG_INFO(gFontClientLogFilter, Debug::General, " Invalid type of font\n");
- }
- }
- }
-
- return FT_Err_Ok == error;
+ const FontCacheItemInterface* fontCacheItem = GetCachedFontItem(fontId);
+ return fontCacheItem && fontCacheItem->IsColorGlyph(glyphIndex);
}
FT_FaceRec_* FontClient::Plugin::GetFreetypeFace(FontId fontId)
{
- FT_Face fontFace = nullptr;
-
- const FontId index = fontId - 1u;
- if((fontId > 0u) &&
- (index < mFontIdCache.Count()))
+ const FontCacheItemInterface* fontCacheItem = GetCachedFontItem(fontId);
+ if(fontCacheItem != nullptr)
{
- const FontIdCacheItem& fontIdCacheItem = mFontIdCache[index];
-
- if(FontDescription::FACE_FONT == fontIdCacheItem.type)
- {
- fontFace = mFontFaceCache[fontIdCacheItem.id].mFreeTypeFace;
- }
+ return fontCacheItem->GetTypeface();
}
- return fontFace;
+ return nullptr;
}
FontDescription::Type FontClient::Plugin::GetFontType(FontId fontId)
0.0f);
// Create the FreeType font face item to cache.
- FontFaceCacheItem fontFaceCacheItem(ftFace, path, requestedPointSize, faceIndex, metrics, fixedSizeIndex, fixedWidth, fixedHeight, hasColorTables);
+ FontFaceCacheItem fontFaceCacheItem(mFreeTypeLibrary, ftFace, path, requestedPointSize, faceIndex, metrics, fixedSizeIndex, fixedWidth, fixedHeight, hasColorTables);
// Set the index to the font's id cache.
fontFaceCacheItem.mFontId = mFontIdCache.Count();
static_cast<float>(ftFace->underline_thickness) * FROM_266);
// Create the FreeType font face item to cache.
- FontFaceCacheItem fontFaceCacheItem(ftFace, path, requestedPointSize, faceIndex, metrics);
+ FontFaceCacheItem fontFaceCacheItem(mFreeTypeLibrary, ftFace, path, requestedPointSize, faceIndex, metrics);
// Set the index to the font's id cache.
fontFaceCacheItem.mFontId = mFontIdCache.Count();
bool FontClient::Plugin::HasItalicStyle(FontId fontId) const
{
- bool hasItalicStyle = false;
-
- const FontId index = fontId - 1u;
-
- if((fontId > 0) &&
- (index < mFontIdCache.Count()))
- {
- const FontIdCacheItem& fontIdCacheItem = mFontIdCache[index];
-
- if(FontDescription::FACE_FONT == fontIdCacheItem.type)
- {
- const FontFaceCacheItem& font = mFontFaceCache[fontIdCacheItem.id];
-
- hasItalicStyle = 0u != (font.mFreeTypeFace->style_flags & FT_STYLE_FLAG_ITALIC);
- }
- }
- else
+ const FontCacheItemInterface* fontCacheItem = GetCachedFontItem(fontId);
+ if(fontCacheItem != nullptr)
{
- DALI_LOG_INFO(gFontClientLogFilter, Debug::General, "FontClient::Plugin::GetFontMetrics. Invalid font id : %d\n", fontId);
+ return fontCacheItem->HasItalicStyle();
}
-
- return hasItalicStyle;
+ return false;
}
void FontClient::Plugin::CacheFontPath(FT_Face ftFace, FontId id, PointSize26Dot6 requestedPointSize, const FontPath& path)
}
}
-} // namespace Internal
-
-} // namespace TextAbstraction
-
-} // namespace Dali
+} // namespace Dali::TextAbstraction::Internal
projects / platform / core / uifw / dali-adaptor.git / blobdiff