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rework the samples

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This commit is contained in:
Jeremie Roy
2013-05-08 23:55:54 +02:00
parent b2e506d7aa
commit 2f89ab16ba
4 changed files with 104 additions and 122 deletions
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31
examples/common/font/text_buffer_manager.cpp
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@@ -115,6 +115,9 @@ public:
uint32_t getIndexSize(){ return sizeof(uint16_t); }
uint32_t getTextColor(){ return toABGR(m_textColor); }
TextRectangle getRectangle() const { return m_rectangle; }
private:
void appendGlyph(CodePoint_t _codePoint, const FontInfo& _font, const GlyphInfo& _glyphInfo);
void verticalCenterLastLine(float _txtDecalY, float _top, float _bottom);
@@ -147,6 +150,8 @@ private:
float m_lineDescender;
float m_lineGap;
TextRectangle m_rectangle;
///
FontManager* m_fontManager;
@@ -195,7 +200,8 @@ TextBuffer::TextBuffer(FontManager* _fontManager)
m_lineDescender = 0;
m_lineGap = 0;
m_fontManager = _fontManager;
m_rectangle.width = 0;
m_rectangle.height = 0;
m_vertexBuffer = new TextVertex[MAX_BUFFERED_CHARACTERS * 4];
m_indexBuffer = new uint16_t[MAX_BUFFERED_CHARACTERS * 6];
@@ -224,8 +230,10 @@ void TextBuffer::appendText(FontHandle _fontHandle, const char * _string)
m_originY = m_penY;
m_lineDescender = 0;// font.m_descender;
m_lineAscender = 0;//font.m_ascender;
}
uint32_t codepoint;
uint32_t state = 0;
@@ -294,6 +302,8 @@ void TextBuffer::clearTextBuffer()
m_lineStartIndex = 0;
m_lineAscender = 0;
m_lineDescender = 0;
m_rectangle.width = 0;
m_rectangle.height = 0;
}
void TextBuffer::appendGlyph(CodePoint_t _codePoint, const FontInfo& _font, const GlyphInfo& _glyphInfo)
@@ -307,9 +317,10 @@ void TextBuffer::appendGlyph(CodePoint_t _codePoint, const FontInfo& _font, cons
m_lineDescender = 0;
m_lineAscender = 0;
m_lineStartIndex = m_vertexCount;
return;
}
if( _font.m_ascender > m_lineAscender || (_font.m_descender < m_lineDescender) )
{
if( _font.m_descender < m_lineDescender )
@@ -458,9 +469,12 @@ void TextBuffer::appendGlyph(CodePoint_t _codePoint, const FontInfo& _font, cons
m_indexBuffer[m_indexCount + 5] = m_vertexCount+3;
m_vertexCount += 4;
m_indexCount += 6;
//TODO see what to do when doing subpixel rendering
m_penX += _glyphInfo.m_advance_x;
if(m_penX > m_rectangle.width) m_rectangle.width = m_penX;
if( (m_penY - m_lineDescender) > m_rectangle.height) m_rectangle.height = (m_penY - m_lineDescender);
//if(x1 > m_rectangle.width) m_rectangle.width = x1;
//if(y1 > m_rectangle.height) m_rectangle.height = y1;
}
void TextBuffer::verticalCenterLastLine(float _dy, float _top, float _bottom)
@@ -803,3 +817,10 @@ void TextBufferManager::clearTextBuffer(TextBufferHandle _handle)
BufferCache& bc = m_textBuffers[_handle.idx];
bc.m_textBuffer->clearTextBuffer();
}
TextRectangle TextBufferManager::getRectangle(TextBufferHandle _handle) const
{
BX_CHECK( bgfx::invalidHandle != _handle.idx, "Invalid handle used");
BufferCache& bc = m_textBuffers[_handle.idx];
return bc.m_textBuffer->getRectangle();
}