- /*
- * Copyright (c) 2015 Samsung Electronics Co., Ltd.
+/*
+ * Copyright (c) 2021 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include <dali-toolkit/internal/text/rendering/atlas/atlas-glyph-manager-impl.h>
// EXTERNAL INCLUDES
-#include <dali/public-api/actors/image-actor.h>
-#include <dali/public-api/common/stage.h>
+#include <dali/integration-api/debug.h>
-namespace Dali
+namespace
{
+#if defined(DEBUG_ENABLED)
+Debug::Filter* gLogFilter = Debug::Filter::New(Debug::Concise, true, "LOG_TEXT_RENDERING");
+#endif
+} // unnamed namespace
+
+namespace Dali
+{
namespace Toolkit
{
-
namespace Internal
{
-
-//#define DISPLAY_ATLAS
-
AtlasGlyphManager::AtlasGlyphManager()
-: mCount( 0 )
{
mAtlasManager = Dali::Toolkit::AtlasManager::New();
+ mSampler = Sampler::New();
+ mSampler.SetFilterMode(FilterMode::LINEAR, FilterMode::LINEAR);
}
-AtlasGlyphManager::~AtlasGlyphManager()
-{
-}
-
-AtlasGlyphManagerPtr AtlasGlyphManager::New()
+void AtlasGlyphManager::Add(const Text::GlyphInfo& glyph,
+ const Toolkit::AtlasGlyphManager::GlyphStyle& style,
+ const PixelData& bitmap,
+ Dali::Toolkit::AtlasManager::AtlasSlot& slot)
{
- AtlasGlyphManagerPtr internal = new AtlasGlyphManager();
- return internal;
-}
+ DALI_LOG_INFO(gLogFilter, Debug::General, "Added glyph, font: %d index: %d\n", glyph.fontId, glyph.index);
-void AtlasGlyphManager::Add( const Text::GlyphInfo& glyph,
- const BufferImage& bitmap,
- Dali::Toolkit::AtlasManager::AtlasSlot& slot )
-{
- GlyphRecord record;
- record.mFontId = glyph.fontId;
- record.mIndex = glyph.index;
-
- mAtlasManager.Add( bitmap, slot );
- record.mImageId = slot.mImageId;
- mGlyphRecords.PushBack( record );
+ // If glyph added to an existing or new atlas then a new glyph record is required.
+ // Check if an existing atlas will fit the image, create a new one if required.
+ if(mAtlasManager.Add(bitmap, slot))
+ {
+ // A new atlas was created so set the texture set details for the atlas
+ Dali::Texture atlas = mAtlasManager.GetAtlasContainer(slot.mAtlasId);
+ TextureSet textureSet = TextureSet::New();
+ textureSet.SetTexture(0u, atlas);
+ textureSet.SetSampler(0u, mSampler);
+ mAtlasManager.SetTextures(slot.mAtlasId, textureSet);
+ }
-#ifdef DISPLAY_ATLAS
+ GlyphRecordEntry record;
+ record.mIndex = glyph.index;
+ record.mImageId = slot.mImageId;
+ record.mCount = 1;
+ record.mOutlineWidth = style.outline;
+ record.isItalic = style.isItalic;
+ record.isBold = style.isBold;
+
+ // Have glyph records been created for this fontId ?
+ bool foundGlyph = false;
+ for(std::vector<FontGlyphRecord>::iterator fontGlyphRecordIt = mFontGlyphRecords.begin();
+ fontGlyphRecordIt != mFontGlyphRecords.end();
+ ++fontGlyphRecordIt)
{
- uint32_t atlasCount = mAtlasManager.GetAtlasCount();
- if ( atlasCount > mCount )
+ if(fontGlyphRecordIt->mFontId == glyph.fontId)
{
- for ( uint32_t i = 0; i < atlasCount; ++i )
- {
- ImageActor actor = ImageActor::New( mAtlasManager.GetAtlasContainer( i + 1u ) );
- actor.SetParentOrigin( Vector3( 0.5f, 0.25f + ( static_cast< float >( i ) * 0.25f ), 0.5f ) );
- actor.SetAnchorPoint( AnchorPoint::CENTER );
- actor.SetSize( 256.0f, 256.0f );
- Stage::GetCurrent().Add( actor );
- }
+ fontGlyphRecordIt->mGlyphRecords.PushBack(record);
+ foundGlyph = true;
+ break;
}
- mCount = atlasCount;
}
-#endif
-}
-void AtlasGlyphManager::GenerateMeshData( uint32_t imageId,
- const Vector2& position,
- Toolkit::AtlasManager::Mesh2D& mesh )
-{
- mAtlasManager.GenerateMeshData( imageId, position, mesh );
+ if(!foundGlyph)
+ {
+ // We need to add a new font entry
+ FontGlyphRecord fontGlyphRecord;
+ fontGlyphRecord.mFontId = glyph.fontId;
+ fontGlyphRecord.mGlyphRecords.PushBack(record);
+ mFontGlyphRecords.push_back(fontGlyphRecord);
+ }
}
-void AtlasGlyphManager::StitchMesh( Toolkit::AtlasManager::Mesh2D& first,
- const Toolkit::AtlasManager::Mesh2D& second )
+void AtlasGlyphManager::GenerateMeshData(uint32_t imageId,
+ const Vector2& position,
+ Toolkit::AtlasManager::Mesh2D& mesh)
{
- mAtlasManager.StitchMesh( first, second );
+ // Generate mesh data and tell Atlas Manager not to handle reference counting ( we'll do it )
+ mAtlasManager.GenerateMeshData(imageId, position, mesh, false);
}
-void AtlasGlyphManager::Cached( Text::FontId fontId,
- uint32_t index,
- Dali::Toolkit::AtlasManager::AtlasSlot& slot )
+bool AtlasGlyphManager::IsCached(Text::FontId fontId,
+ Text::GlyphIndex index,
+ const Toolkit::AtlasGlyphManager::GlyphStyle& style,
+ Dali::Toolkit::AtlasManager::AtlasSlot& slot)
{
- for ( uint32_t i = 0; i < mGlyphRecords.Size(); ++i )
+ for(std::vector<FontGlyphRecord>::iterator fontGlyphRecordIt = mFontGlyphRecords.begin();
+ fontGlyphRecordIt != mFontGlyphRecords.end();
+ ++fontGlyphRecordIt)
{
- if ( fontId == mGlyphRecords[ i ].mFontId && index == mGlyphRecords[ i ].mIndex )
+ if(fontGlyphRecordIt->mFontId == fontId)
{
- slot.mImageId = mGlyphRecords[ i ].mImageId;
- slot.mAtlasId = mAtlasManager.GetAtlas( slot.mImageId );
- return;
+ for(Vector<GlyphRecordEntry>::Iterator glyphRecordIt = fontGlyphRecordIt->mGlyphRecords.Begin();
+ glyphRecordIt != fontGlyphRecordIt->mGlyphRecords.End();
+ ++glyphRecordIt)
+ {
+ if((glyphRecordIt->mIndex == index) &&
+ (glyphRecordIt->mOutlineWidth == style.outline) &&
+ (glyphRecordIt->isItalic == style.isItalic) &&
+ (glyphRecordIt->isBold == style.isBold))
+ {
+ slot.mImageId = glyphRecordIt->mImageId;
+ slot.mAtlasId = mAtlasManager.GetAtlas(slot.mImageId);
+ return true;
+ }
+ }
}
}
slot.mImageId = 0;
+ return false;
}
-Vector2 AtlasGlyphManager::GetAtlasSize( uint32_t atlasId )
+Vector2 AtlasGlyphManager::GetAtlasSize(uint32_t atlasId)
{
- Toolkit::AtlasManager::AtlasSize size = mAtlasManager.GetAtlasSize( atlasId );
- return Vector2( static_cast< float >( size.mWidth ), static_cast< float >( size.mHeight ) );
+ Toolkit::AtlasManager::AtlasSize size = mAtlasManager.GetAtlasSize(atlasId);
+ return Vector2(static_cast<float>(size.mWidth), static_cast<float>(size.mHeight));
}
-void AtlasGlyphManager::SetNewAtlasSize( uint32_t width, uint32_t height, uint32_t blockWidth, uint32_t blockHeight )
+void AtlasGlyphManager::SetNewAtlasSize(uint32_t width, uint32_t height, uint32_t blockWidth, uint32_t blockHeight)
{
Toolkit::AtlasManager::AtlasSize size;
- size.mWidth = width;
- size.mHeight = height;
- size.mBlockWidth = blockWidth;
+ size.mWidth = width;
+ size.mHeight = height;
+ size.mBlockWidth = blockWidth;
size.mBlockHeight = blockHeight;
- mAtlasManager.SetNewAtlasSize( size );
+ mAtlasManager.SetNewAtlasSize(size);
+}
+
+Pixel::Format AtlasGlyphManager::GetPixelFormat(uint32_t atlasId)
+{
+ return mAtlasManager.GetPixelFormat(atlasId);
}
-void AtlasGlyphManager::Remove( uint32_t imageId )
+const Toolkit::AtlasGlyphManager::Metrics& AtlasGlyphManager::GetMetrics()
{
- if ( mAtlasManager.Remove( imageId ) )
+ std::ostringstream verboseMetrics;
+
+ mMetrics.mGlyphCount = 0u;
+ for(std::vector<FontGlyphRecord>::iterator fontGlyphRecordIt = mFontGlyphRecords.begin();
+ fontGlyphRecordIt != mFontGlyphRecords.end();
+ ++fontGlyphRecordIt)
{
- for ( uint32_t i = 0; i < mGlyphRecords.Size(); ++i )
+ mMetrics.mGlyphCount += fontGlyphRecordIt->mGlyphRecords.Size();
+
+ verboseMetrics << "[FontId " << fontGlyphRecordIt->mFontId << " Glyph ";
+ for(Vector<GlyphRecordEntry>::Iterator glyphRecordEntryIt = fontGlyphRecordIt->mGlyphRecords.Begin();
+ glyphRecordEntryIt != fontGlyphRecordIt->mGlyphRecords.End();
+ ++glyphRecordEntryIt)
{
- if ( mGlyphRecords[ i ].mImageId == imageId )
- {
- mGlyphRecords.Remove( mGlyphRecords.Begin() + i );
- return;
- }
+ verboseMetrics << glyphRecordEntryIt->mIndex << "(" << glyphRecordEntryIt->mCount << ") ";
}
+ verboseMetrics << "] ";
}
-}
+ mMetrics.mVerboseGlyphCounts = verboseMetrics.str();
-Pixel::Format AtlasGlyphManager::GetPixelFormat( uint32_t atlasId )
-{
- return mAtlasManager.GetPixelFormat( atlasId );
+ mAtlasManager.GetMetrics(mMetrics.mAtlasMetrics);
+
+ return mMetrics;
}
-Material AtlasGlyphManager::GetMaterial( uint32_t atlasId ) const
+void AtlasGlyphManager::AdjustReferenceCount(Text::FontId fontId, Text::GlyphIndex index, const Toolkit::AtlasGlyphManager::GlyphStyle& style, int32_t delta)
{
- return mAtlasManager.GetMaterial( atlasId );
+ if(0 != delta)
+ {
+ DALI_LOG_INFO(gLogFilter, Debug::General, "AdjustReferenceCount %d, font: %d index: %d\n", delta, fontId, index);
+
+ for(std::vector<FontGlyphRecord>::iterator fontGlyphRecordIt = mFontGlyphRecords.begin();
+ fontGlyphRecordIt != mFontGlyphRecords.end();
+ ++fontGlyphRecordIt)
+ {
+ if(fontGlyphRecordIt->mFontId == fontId)
+ {
+ for(Vector<GlyphRecordEntry>::Iterator glyphRecordIt = fontGlyphRecordIt->mGlyphRecords.Begin();
+ glyphRecordIt != fontGlyphRecordIt->mGlyphRecords.End();
+ ++glyphRecordIt)
+ {
+ if((glyphRecordIt->mIndex == index) &&
+ (glyphRecordIt->mOutlineWidth == style.outline) &&
+ (glyphRecordIt->isItalic == style.isItalic) &&
+ (glyphRecordIt->isBold == style.isBold))
+ {
+ glyphRecordIt->mCount += delta;
+ DALI_ASSERT_DEBUG(glyphRecordIt->mCount >= 0 && "Glyph ref-count should not be negative");
+
+ if(!glyphRecordIt->mCount)
+ {
+ mAtlasManager.Remove(glyphRecordIt->mImageId);
+ fontGlyphRecordIt->mGlyphRecords.Remove(glyphRecordIt);
+ }
+ return;
+ }
+ }
+ }
+ }
+
+ // Should not arrive here
+ DALI_ASSERT_DEBUG(false && "Failed to adjust ref-count");
+ }
}
-Sampler AtlasGlyphManager::GetSampler( uint32_t atlasId ) const
+TextureSet AtlasGlyphManager::GetTextures(uint32_t atlasId) const
{
- return mAtlasManager.GetSampler( atlasId );
+ return mAtlasManager.GetTextures(atlasId);
}
-const Toolkit::AtlasGlyphManager::Metrics& AtlasGlyphManager::GetMetrics()
+AtlasGlyphManager::~AtlasGlyphManager()
{
- mMetrics.mGlyphCount = mGlyphRecords.Size();
- mAtlasManager.GetMetrics( mMetrics.mAtlasMetrics );
- return mMetrics;
+ // mAtlasManager handle is automatically released here
}
} // namespace Internal