if( impl.mController )
{
const float pointSize = value.Get< float >();
- DALI_LOG_INFO( gLogFilter, Debug::General, "TextField %p FONT_STYLE %f\n", impl.mController.Get(), pointSize );
+ DALI_LOG_INFO( gLogFilter, Debug::General, "TextField %p POINT_SIZE %f\n", impl.mController.Get(), pointSize );
if( !Equals( impl.mController->GetDefaultPointSize(), pointSize ) )
{
mCursorWidth( CURSOR_WIDTH ),
mEllipsisEnabled( false )
{
- mFontClient = TextAbstraction::FontClient::Get();
}
/**
void UpdateLineHeight( FontId fontId, LineLayout& lineLayout )
{
Text::FontMetrics fontMetrics;
- mFontClient.GetFontMetrics( fontId, fontMetrics );
+ mMetrics->GetFontMetrics( fontId, fontMetrics );
// Sets the maximum ascender.
if( fontMetrics.ascender > lineLayout.ascender )
const GlyphInfo& glyphInfo = *( layoutParameters.glyphsBuffer + layoutParameters.totalNumberOfGlyphs - 1u );
Text::FontMetrics fontMetrics;
- mFontClient.GetFontMetrics( glyphInfo.fontId, fontMetrics );
+ mMetrics->GetFontMetrics( glyphInfo.fontId, fontMetrics );
LineRun lineRun;
lineRun.glyphRun.glyphIndex = 0u;
LayoutEngine::VerticalAlignment mVerticalAlignment;
float mCursorWidth;
- TextAbstraction::FontClient mFontClient;
+ IntrusivePtr<Metrics> mMetrics;
bool mEllipsisEnabled:1;
};
delete mImpl;
}
+void LayoutEngine::SetMetrics( MetricsPtr& metrics )
+{
+ mImpl->mMetrics = metrics;
+}
+
void LayoutEngine::SetLayout( Layout layout )
{
mImpl->mLayout = layout;
// INTERNAL INCLUDE
#include <dali-toolkit/internal/text/line-run.h>
+#include <dali-toolkit/internal/text/metrics.h>
namespace Dali
{
~LayoutEngine();
/**
+ * @brief Provide the wrapper around FontClient used to get metrics
+ *
+ * @param[in] metrics Used to get metrics
+ */
+ void SetMetrics( MetricsPtr& metrics );
+
+ /**
* @brief Choose the required layout.
*
* @param[in] layout The required layout.
--- /dev/null
+#ifndef __DALI_TOOLKIT_TEXT_METRICS_H__
+#define __DALI_TOOLKIT_TEXT_METRICS_H__
+
+/*
+ * Copyright (c) 2015 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.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+// EXTERNAL INCLUDES
+#include <dali/public-api/common/intrusive-ptr.h>
+#include <dali/devel-api/text-abstraction/font-client.h>
+
+namespace Dali
+{
+
+namespace Toolkit
+{
+
+namespace Text
+{
+
+class Metrics;
+typedef IntrusivePtr<Metrics> MetricsPtr;
+
+/**
+ * @brief A wrapper around FontClient used to get metrics & potentially down-scaled Emoji metrics.
+ */
+class Metrics : public RefObject
+{
+public:
+
+ /**
+ * Create a new Metrics object
+ */
+ static Metrics* New( TextAbstraction::FontClient& fontClient )
+ {
+ return new Metrics( fontClient );
+ }
+
+ /**
+ * @brief Set the maximum Emoji size.
+ *
+ * @param[in] emojiSize Emoticons will be scaled to fit this size in pixels.
+ */
+ void SetMaxEmojiSize( int emojiSize )
+ {
+ mEmojiSize = emojiSize;
+ }
+
+ /**
+ * @brief Get the maximum Emoji size.
+ *
+ * @return The maximum Emoji size.
+ */
+ int GetMaxEmojiSize() const
+ {
+ return mEmojiSize;
+ }
+
+ /**
+ * @brief Query the metrics for a font.
+ *
+ * @param[in] fontId The ID of the font for the required glyph.
+ * @param[out] metrics The font metrics.
+ */
+ void GetFontMetrics( FontId fontId, FontMetrics& metrics )
+ {
+ mFontClient.GetFontMetrics( fontId, metrics, mEmojiSize ); // inline for performance
+ }
+
+ /**
+ * @brief Retrieve the metrics for a series of glyphs.
+ *
+ * @param[in,out] array An array of glyph-info structures with initialized FontId & GlyphIndex values.
+ * It may contain the advance and an offset set into the bearing from the shaping tool.
+ * On return, the glyph's size value will be initialized. The bearing value will be updated by adding the font's glyph bearing to the one set by the shaping tool.
+ * @param[in] size The size of the array.
+ * @return True if all of the requested metrics were found.
+ */
+ bool GetGlyphMetrics( GlyphInfo* array, uint32_t size )
+ {
+ return mFontClient.GetGlyphMetrics( array, size, true, mEmojiSize ); // inline for performance
+ }
+
+protected:
+
+ /**
+ * A reference counted object may only be deleted by calling Unreference()
+ */
+ virtual ~Metrics() {}
+
+private:
+
+ /**
+ * Constructor.
+ */
+ Metrics( TextAbstraction::FontClient& fontClient )
+ : mFontClient( fontClient ),
+ mEmojiSize( 0 )
+ {
+ }
+
+ // Undefined
+ Metrics(const Metrics&);
+
+ // Undefined
+ Metrics& operator=(const Metrics& rhs);
+
+private:
+
+ TextAbstraction::FontClient mFontClient;
+
+ int mEmojiSize;
+};
+
+} // namespace Text
+
+} // namespace Toolkit
+
+} // namespace Dali
+
+#endif // __DALI_TOOLKIT_TEXT_METRICS_H__
textCacheEntry.mIndex = glyph.index;
newTextCache.PushBack( textCacheEntry );
+ // Adjust the vertices if the fixed-size font should be down-scaled
+ if( glyph.scaleFactor > 0 )
+ {
+ for( unsigned int i=0; i<newMesh.mVertices.Count(); ++i )
+ {
+ newMesh.mVertices[i].mPosition.x = position.x + ( ( newMesh.mVertices[i].mPosition.x - position.x ) * glyph.scaleFactor );
+ newMesh.mVertices[i].mPosition.y = position.y + ( ( newMesh.mVertices[i].mPosition.y - position.y ) * glyph.scaleFactor );
+ }
+ }
+
// Find an existing mesh data object to attach to ( or create a new one, if we can't find one using the same atlas)
StitchTextMesh( meshContainer,
newMesh,
* @param[in] numberOfGlyphs The number of glyphs.
* @param[out] glyphMetrics Some glyph metrics (font height, advance, ascender and x bearing).
* @param[in] visualModel The visual model.
- * @param[in] fontClient The font client.
+ * @param[in] metrics Used to access metrics from FontClient.
*/
void GetGlyphsMetrics( GlyphIndex glyphIndex,
Length numberOfGlyphs,
GlyphMetrics& glyphMetrics,
- VisualModelPtr visualModel,
- TextAbstraction::FontClient& fontClient )
+ VisualModelPtr& visualModel,
+ MetricsPtr& metrics )
{
const GlyphInfo* glyphsBuffer = visualModel->mGlyphs.Begin();
const GlyphInfo& firstGlyph = *( glyphsBuffer + glyphIndex );
Text::FontMetrics fontMetrics;
- fontClient.GetFontMetrics( firstGlyph.fontId, fontMetrics );
+ metrics->GetFontMetrics( firstGlyph.fontId, fontMetrics );
glyphMetrics.fontHeight = fontMetrics.height;
glyphMetrics.advance = firstGlyph.advance;
if( GET_GLYPH_METRICS & operations )
{
GlyphInfo* glyphsBuffer = glyphs.Begin();
- mFontClient.GetGlyphMetrics( glyphsBuffer, numberOfGlyphs );
+ mMetrics->GetGlyphMetrics( glyphsBuffer, numberOfGlyphs );
// Update the width and advance of all new paragraph characters.
for( Vector<GlyphIndex>::ConstIterator it = newParagraphGlyphs.Begin(), endIt = newParagraphGlyphs.End(); it != endIt; ++it )
}
Text::FontMetrics fontMetrics;
- mFontClient.GetFontMetrics( defaultFontId, fontMetrics );
+ mMetrics->GetFontMetrics( defaultFontId, fontMetrics );
return( fontMetrics.ascender - fontMetrics.descender );
}
numberOfGlyphs,
glyphMetrics,
mVisualModel,
- mFontClient );
+ mMetrics );
const Vector2& position = *( positionsBuffer + glyphLogicalOrderIndex );
primaryNumberOfGlyphs,
glyphMetrics,
mVisualModel,
- mFontClient );
+ mMetrics );
// Whether to add the glyph's advance to the cursor position.
// i.e if the paragraph is left to right and the logical cursor is zero, the position is the position of the first glyph and the advance is not added,
secondaryNumberOfGlyphs,
glyphMetrics,
mVisualModel,
- mFontClient );
+ mMetrics );
// Set the secondary cursor's position.
cursorInfo.secondaryPosition.x = -glyphMetrics.xBearing + secondaryPosition.x + ( isCurrentRightToLeft ? 0.f : glyphMetrics.advance );
}
Text::FontMetrics fontMetrics;
- mFontClient.GetFontMetrics( defaultFontId, fontMetrics );
+ mMetrics->GetFontMetrics( defaultFontId, fontMetrics );
lineHeight = fontMetrics.ascender - fontMetrics.descender;
mFontClient(),
mClipboard(),
mView(),
+ mMetrics(),
mLayoutEngine(),
mModifyEvents(),
mTextColor( Color::BLACK ),
mView.SetVisualModel( mVisualModel );
+ // Use this to access FontClient i.e. to get down-scaled Emoji metrics.
+ mMetrics = Metrics::New( mFontClient );
+ mLayoutEngine.SetMetrics( mMetrics );
+
// Set the text properties to default
mVisualModel->SetUnderlineEnabled( false );
mVisualModel->SetUnderlineHeight( 0.0f );
FontDefaults* mFontDefaults; ///< Avoid allocating this when the user does not specify a font.
EventData* mEventData; ///< Avoid allocating everything for text input until EnableTextInput().
TextAbstraction::FontClient mFontClient; ///< Handle to the font client.
- Clipboard mClipboard; ///< Handle to the system clipboard
+ Clipboard mClipboard; ///< Handle to the system clipboard
View mView; ///< The view interface to the rendering back-end.
+ MetricsPtr mMetrics; ///< A wrapper around FontClient used to get metrics & potentially down-scaled Emoji metrics.
LayoutEngine mLayoutEngine; ///< The layout engine.
std::vector<ModifyEvent> mModifyEvents; ///< Temporary stores the text set until the next relayout.
Vector4 mTextColor; ///< The regular text color
#endif
const float MAX_FLOAT = std::numeric_limits<float>::max();
+const unsigned int POINTS_PER_INCH = 72;
const std::string EMPTY_STRING("");
mImpl->mFontDefaults->mDefaultPointSize = pointSize;
+ unsigned int horizontalDpi( 0u );
+ unsigned int verticalDpi( 0u );
+ mImpl->mFontClient.GetDpi( horizontalDpi, verticalDpi );
+
+ // Adjust the metrics if the fixed-size font should be down-scaled
+ int maxEmojiSize( pointSize/POINTS_PER_INCH * verticalDpi );
+ DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::SetDefaultPointSize %p setting MaxEmojiSize %d\n", this, maxEmojiSize );
+ mImpl->mMetrics->SetMaxEmojiSize( maxEmojiSize );
+
// Clear the font-specific data
ClearFontData();
projects / platform / core / uifw / dali-toolkit.git / commitdiff