-#ifndef __DALI_TOOLKIT_TEXT_VIEW_INTERFACE_H__
-#define __DALI_TOOLKIT_TEXT_VIEW_INTERFACE_H__
+#ifndef DALI_TOOLKIT_TEXT_VIEW_INTERFACE_H
+#define DALI_TOOLKIT_TEXT_VIEW_INTERFACE_H
/*
- * 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.
namespace Dali
{
-
struct Vector2;
+struct Vector4;
namespace Toolkit
{
-
namespace Text
{
+struct GlyphRun;
/**
- * @brief Abstract interface to provide the information necessary displaying text.
+ * @brief Abstract interface to provide the information necessary to display text.
*
* This includes:
* - The font & glyph IDs needed to get bitmaps etc. from TextAbstraction
class ViewInterface
{
public:
-
/**
* @brief Constructor.
*/
virtual ~ViewInterface();
/**
+ * @brief Retrieves the target size of the UI control.
+ *
+ * @return The control's size.
+ */
+ virtual const Vector2& GetControlSize() const = 0;
+
+ /**
+ * @brief Retrieves the text's layout size.
+ *
+ * @return The text's size. Note that this may be larger than the control size,
+ * in the case where text is scrolling/clipped.
+ */
+ virtual const Vector2& GetLayoutSize() const = 0;
+
+ /**
* Retrieves the number of glyphs.
*
* @return The number of glyphs.
virtual Length GetNumberOfGlyphs() const = 0;
/**
- * @brief Retrieves glyphs in the given buffer.
+ * @brief Retrieves glyphs and positions in the given buffers.
+ *
+ * @note The size of the @p glyphs and @p glyphPositions buffers need to be big enough to copy the @p numberOfGlyphs glyphs and positions.
+ * @note The returned number of glyphs may be less than @p numberOfGlyphs if a line has ellipsis.
*
- * The size of the @p glyphs buffer needs to be big enough to copy the @p numberOfGlyphs.
* @param[out] glyphs Pointer to a buffer where the glyphs are copied.
+ * @param[out] glyphPositions Pointer to a buffer where the glyph's positions are copied.
+ * @param[out] minLineOffset The minimum line offset.
* @param[in] glyphIndex Index to the first glyph.
* @param[in] numberOfGlyphs Number of glyphs to be copied.
+ *
+ * @return The number of glyphs.
+ */
+ virtual Length GetGlyphs(GlyphInfo* glyphs,
+ Vector2* glyphPositions,
+ float& minLineOffset,
+ GlyphIndex glyphIndex,
+ Length numberOfGlyphs) const = 0;
+
+ /**
+ * @brief Retrieves the vector of colors.
+ *
+ * @return Pointer to the vector of colors.
+ */
+ virtual const Vector4* const GetColors() const = 0;
+
+ /**
+ * @brief Retrieves the vector of indices to the vector of colors.
+ *
+ * @return Pointer to a vector which stores for each glyph the index to the vector of colors.
+ */
+ virtual const ColorIndex* const GetColorIndices() const = 0;
+
+ /**
+ * @brief Retrieves the vector of background colors.
+ *
+ * @return Pointer to the vector of background colors.
+ */
+ virtual const Vector4* const GetBackgroundColors() const = 0;
+
+ /**
+ * @brief Retrieves the vector of indices to the vector of background colors.
+ *
+ * @return Pointer to a vector which stores for each glyph the index to the vector of background colors.
+ */
+ virtual const ColorIndex* const GetBackgroundColorIndices() const = 0;
+
+ /**
+ * @brief checks if there is background colors set using markup.
+ *
+ * @return boolean if there is background colors set using markup .
+ */
+ virtual bool const IsMarkupBackgroundColorSet() const = 0;
+
+ /**
+ * @brief Retrieves the text color
+ *
+ * @return The text color
+ */
+ virtual const Vector4& GetTextColor() const = 0;
+
+ /**
+ * @brief Retrieves the shadow offset, 0 indicates no shadow.
+ *
+ * @return The shadow offset.
+ */
+ virtual const Vector2& GetShadowOffset() const = 0;
+
+ /**
+ * @brief Retrieves the shadow color.
+ *
+ * @return The shadow color.
+ */
+ virtual const Vector4& GetShadowColor() const = 0;
+
+ /**
+ * @brief Retrieves the underline color.
+ *
+ * @return The underline color.
+ */
+ virtual const Vector4& GetUnderlineColor() const = 0;
+
+ /**
+ * @brief Returns whether underline is enabled or not.
+ *
+ * @return The underline state.
+ */
+ virtual bool IsUnderlineEnabled() const = 0;
+
+ /**
+ * @brief Returns the hyphens glyph info.
+ *
+ * @return hyphens glyph info.
+ */
+ virtual const GlyphInfo* GetHyphens() const = 0;
+
+ /**
+ * @brief Returns the indices of the hyphen in the text.
+ *
+ * @return the hyphen indices.
+ */
+ virtual const Length* GetHyphenIndices() const = 0;
+
+ /**
+ * @brief Returns number of hyphens to add in text.
+ *
+ * @return number of hyphens.
+ */
+ virtual Length GetHyphensCount() const = 0;
+ /**
+ * @brief Retrieves the underline height override
+ *
+ * @return Returns the override height for an underline, 0 indicates that adaptor will determine the height
+ */
+ virtual float GetUnderlineHeight() const = 0;
+
+ /**
+ * @brief Retrieves the number of underline runs.
+ *
+ * @return The number of underline runs.
+ */
+ virtual Length GetNumberOfUnderlineRuns() const = 0;
+
+ /**
+ * @brief Retrieves the underline runs.
+ *
+ * @param[out] underlineRuns Pointer to a buffer where the underline runs are copied.
+ * @param[in] index Index of the first underline run to be copied.
+ * @param[in] numberOfRuns Number of underline runs to be copied.
+ */
+ virtual void GetUnderlineRuns(GlyphRun* underlineRuns,
+ UnderlineRunIndex index,
+ Length numberOfRuns) const = 0;
+
+ /**
+ * @brief Retrieve the outline color.
+ *
+ * @return The outline color.
*/
- virtual void GetGlyphs( GlyphInfo* glyphs,
- GlyphIndex glyphIndex,
- Length numberOfGlyphs ) const = 0;
+ virtual const Vector4& GetOutlineColor() const = 0;
/**
- * @brief Retrieves the glyph positions.
+ * @brief Retrieves the width of an outline
*
- * @pre The size of the @p positions buffer needs to be big enough to copy the @p numberOfGlyphs positions.
- * @param[out] glyphPositions Pointer to a buffer where the glyph positions are copied.
- * @param[in] glyphIndex Index to the first glyph position.
- * @param[in] numberOfGlyphs The number of positions to be copied.
+ * @return The width of the outline.
*/
- virtual void GetGlyphPositions( Vector2* glyphPositions,
- GlyphIndex glyphIndex,
- Length numberOfGlyphs ) const = 0;
+ virtual uint16_t GetOutlineWidth() const = 0;
};
} // namespace Text
} // namespace Dali
-#endif // __DALI_TOOLKIT_TEXT_VIEW_INTERFACE_H__
+#endif // DALI_TOOLKIT_TEXT_VIEW_INTERFACE_H
projects / platform / core / uifw / dali-toolkit.git / blobdiff