Utility: RichTextDrawer now works (WIP)
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Lynix
@@ -2,10 +2,238 @@
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// This file is part of the "Nazara Engine - Utility module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <Nazara/Utility/RichTextDrawer.hpp>
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#include <Nazara/Utility/Debug.hpp>
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namespace Nz
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{
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inline void RichTextDrawer::Clear()
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{
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m_fontIndexes.clear();
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m_blocks.clear();
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m_fonts.clear();
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m_glyphs.clear();
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ClearGlyphs();
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}
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inline unsigned int RichTextDrawer::GetBlockCharacterSize(std::size_t index) const
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{
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NazaraAssert(index < m_blocks.size(), "Invalid block index");
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return m_blocks[index].characterSize;
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}
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inline const Color& RichTextDrawer::GetBlockColor(std::size_t index) const
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{
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NazaraAssert(index < m_blocks.size(), "Invalid block index");
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return m_blocks[index].color;
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}
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inline std::size_t RichTextDrawer::GetBlockCount() const
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{
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return m_blocks.size();
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}
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inline const FontRef& RichTextDrawer::GetBlockFont(std::size_t index) const
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{
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NazaraAssert(index < m_blocks.size(), "Invalid block index");
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std::size_t fontIndex = m_blocks[index].fontIndex;
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assert(fontIndex < m_fonts.size());
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return m_fonts[fontIndex].font;
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}
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inline TextStyleFlags RichTextDrawer::GetBlockStyle(std::size_t index) const
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{
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NazaraAssert(index < m_blocks.size(), "Invalid block index");
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return m_blocks[index].style;
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}
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inline const String& RichTextDrawer::GetBlockText(std::size_t index) const
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{
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NazaraAssert(index < m_blocks.size(), "Invalid block index");
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return m_blocks[index].text;
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}
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inline unsigned int RichTextDrawer::GetDefaultCharacterSize() const
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{
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return m_defaultCharacterSize;
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}
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inline const Color& RichTextDrawer::GetDefaultColor() const
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{
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return m_defaultColor;
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}
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inline const FontRef& RichTextDrawer::GetDefaultFont() const
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{
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return m_defaultFont;
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}
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inline TextStyleFlags RichTextDrawer::GetDefaultStyle() const
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{
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return m_defaultStyle;
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}
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inline void RichTextDrawer::AppendNewLine(const Font* font, unsigned int characterSize) const
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{
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// Ensure we're appending from last line
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Line& lastLine = m_lines.back();
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const Font::SizeInfo& sizeInfo = font->GetSizeInfo(characterSize);
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unsigned int previousDrawPos = m_drawPos.x;
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// Reset cursor
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m_drawPos.x = 0;
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m_drawPos.y += sizeInfo.lineHeight;
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m_workingBounds.ExtendTo(lastLine.bounds);
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m_lines.emplace_back(Line{ Rectf(0.f, float(sizeInfo.lineHeight * m_lines.size()), 0.f, float(sizeInfo.lineHeight)), m_glyphs.size() + 1 });
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}
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inline void RichTextDrawer::ClearGlyphs() const
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{
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m_bounds.MakeZero();
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m_lines.clear();
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m_glyphs.clear();
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m_glyphUpdated = true;
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m_workingBounds.MakeZero(); //< Compute bounds as float to speedup bounds computation (as casting between floats and integers is costly)
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}
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inline void RichTextDrawer::ConnectFontSlots()
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{
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for (auto& fontData : m_fonts)
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{
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fontData.atlasChangedSlot.Connect(fontData.font->OnFontAtlasChanged, this, &RichTextDrawer::OnFontInvalidated);
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fontData.atlasLayerChangedSlot.Connect(fontData.font->OnFontAtlasLayerChanged, this, &RichTextDrawer::OnFontAtlasLayerChanged);
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fontData.fontReleaseSlot.Connect(fontData.font->OnFontDestroy, this, &RichTextDrawer::OnFontRelease);
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fontData.glyphCacheClearedSlot.Connect(fontData.font->OnFontGlyphCacheCleared, this, &RichTextDrawer::OnFontInvalidated);
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}
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}
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inline void RichTextDrawer::DisconnectFontSlots()
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{
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for (auto& fontData : m_fonts)
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{
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fontData.atlasChangedSlot.Disconnect();
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fontData.atlasLayerChangedSlot.Disconnect();
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fontData.fontReleaseSlot.Disconnect();
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fontData.glyphCacheClearedSlot.Disconnect();
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}
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}
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inline std::size_t RichTextDrawer::HandleFontAddition(const FontRef& font)
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{
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auto it = m_fontIndexes.find(font);
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if (it == m_fontIndexes.end())
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{
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std::size_t fontIndex = m_fonts.size();
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m_fonts.emplace_back();
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auto& fontData = m_fonts.back();
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fontData.font = font;
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fontData.atlasChangedSlot.Connect(font->OnFontAtlasChanged, this, &RichTextDrawer::OnFontInvalidated);
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fontData.atlasLayerChangedSlot.Connect(font->OnFontAtlasLayerChanged, this, &RichTextDrawer::OnFontAtlasLayerChanged);
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fontData.fontReleaseSlot.Connect(font->OnFontDestroy, this, &RichTextDrawer::OnFontRelease);
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fontData.glyphCacheClearedSlot.Connect(font->OnFontGlyphCacheCleared, this, &RichTextDrawer::OnFontInvalidated);
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it = m_fontIndexes.emplace(font, fontIndex).first;
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}
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return it->second;
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}
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inline void RichTextDrawer::ReleaseFont(std::size_t fontIndex)
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{
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assert(fontIndex < m_fonts.size());
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FontData& fontData = m_fonts[fontIndex];
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assert(fontData.useCount > 0);
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if (--fontData.useCount == 0)
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{
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// Shift font indexes
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m_fontIndexes.erase(fontData.font);
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for (auto it = m_fontIndexes.begin(); it != m_fontIndexes.end(); ++it)
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{
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if (it->second > fontIndex)
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it->second--;
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}
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m_fonts.erase(m_fonts.begin() + fontIndex);
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}
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}
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inline void RichTextDrawer::SetBlockCharacterSize(std::size_t index, unsigned int characterSize)
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{
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NazaraAssert(index < m_blocks.size(), "Invalid block index");
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m_blocks[index].characterSize = characterSize;
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InvalidateGlyphs();
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}
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inline void RichTextDrawer::SetBlockColor(std::size_t index, const Color& color)
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{
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NazaraAssert(index < m_blocks.size(), "Invalid block index");
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m_blocks[index].color = color;
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InvalidateGlyphs();
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}
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inline void RichTextDrawer::SetBlockFont(std::size_t index, FontRef font)
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{
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NazaraAssert(index < m_blocks.size(), "Invalid block index");
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std::size_t fontIndex = HandleFontAddition(font);
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std::size_t oldFontIndex = m_blocks[index].fontIndex;
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if (oldFontIndex != fontIndex)
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{
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ReleaseFont(oldFontIndex);
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m_fonts[fontIndex].useCount++;
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m_blocks[index].fontIndex = fontIndex;
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}
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}
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inline void RichTextDrawer::SetBlockStyle(std::size_t index, TextStyleFlags style)
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{
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NazaraAssert(index < m_blocks.size(), "Invalid block index");
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m_blocks[index].style = style;
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InvalidateGlyphs();
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}
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inline void RichTextDrawer::SetBlockText(std::size_t index, const String& str)
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{
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NazaraAssert(index < m_blocks.size(), "Invalid block index");
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m_blocks[index].text = str;
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InvalidateGlyphs();
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}
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inline void RichTextDrawer::SetDefaultCharacterSize(unsigned int characterSize)
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{
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m_defaultCharacterSize = characterSize;
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}
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inline void RichTextDrawer::SetDefaultColor(const Color& color)
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{
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m_defaultColor = color;
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}
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inline void RichTextDrawer::SetDefaultFont(const FontRef& font)
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{
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m_defaultFont = font;
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}
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inline void RichTextDrawer::SetDefaultStyle(TextStyleFlags style)
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{
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m_defaultStyle = style;
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}
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inline void RichTextDrawer::InvalidateGlyphs()
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{
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m_glyphUpdated = false;
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}
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/*!
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* \class Nz::RichTextDrawer::BlockRef
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* \brief Helper class representing a block inside a RichTextDrawer, allowing easier access.
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@@ -58,7 +286,7 @@ namespace Nz
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*
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* \see GetCharacterSize, GetColor, GetFont, GetText, SetStyle
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*/
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inline UInt32 RichTextDrawer::BlockRef::GetStyle() const
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inline TextStyleFlags RichTextDrawer::BlockRef::GetStyle() const
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{
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return m_drawer.GetBlockStyle(m_blockIndex);
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}
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@@ -113,7 +341,7 @@ namespace Nz
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*
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* \see GetStyle, SetCharacterSize, SetColor, SetFont, SetText
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*/
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inline void RichTextDrawer::BlockRef::SetStyle(UInt32 style)
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inline void RichTextDrawer::BlockRef::SetStyle(TextStyleFlags style)
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{
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m_drawer.SetBlockStyle(m_blockIndex, style);
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}
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