mirror of
https://github.com/scratchfoundation/bgfx.git
synced 2024-11-25 00:58:30 -05:00
Cleanup.
This commit is contained in:
bkaradzic
parent
e49810bc29
commit
4a2bfcfbeb
5 changed files with 123 additions and 62 deletions
|
|
@ -72,7 +72,7 @@ char* loadText(const char* _textFile)
|
|||
fseek(pFile, 0L, SEEK_SET);
|
||||
|
||||
// Read the entire file into memory.
|
||||
uint32_t newLen = fread( (void*)buffer, sizeof(char), bufsize, pFile);
|
||||
size_t newLen = fread( (void*)buffer, sizeof(char), bufsize, pFile);
|
||||
if (newLen == 0)
|
||||
{
|
||||
fclose(pFile);
|
||||
|
|
|
|||
|
|
@ -37,10 +37,12 @@ public:
|
|||
{
|
||||
m_styleFlags = _flags;
|
||||
}
|
||||
|
||||
void setTextColor(uint32_t _rgba = 0x000000FF)
|
||||
{
|
||||
m_textColor = toABGR(_rgba);
|
||||
}
|
||||
|
||||
void setBackgroundColor(uint32_t _rgba = 0x000000FF)
|
||||
{
|
||||
m_backgroundColor = toABGR(_rgba);
|
||||
|
|
@ -50,10 +52,12 @@ public:
|
|||
{
|
||||
m_overlineColor = toABGR(_rgba);
|
||||
}
|
||||
|
||||
void setUnderlineColor(uint32_t _rgba = 0x000000FF)
|
||||
{
|
||||
m_underlineColor = toABGR(_rgba);
|
||||
}
|
||||
|
||||
void setStrikeThroughColor(uint32_t _rgba = 0x000000FF)
|
||||
{
|
||||
m_strikeThroughColor = toABGR(_rgba);
|
||||
|
|
@ -64,51 +68,58 @@ public:
|
|||
m_penX = _x; m_penY = _y;
|
||||
}
|
||||
|
||||
/// append an ASCII/utf-8 string to the buffer using current pen position and color
|
||||
/// Append an ASCII/utf-8 string to the buffer using current pen
|
||||
/// position and color.
|
||||
void appendText(FontHandle _fontHandle, const char* _string, const char* _end = NULL);
|
||||
|
||||
/// append a wide char unicode string to the buffer using current pen position and color
|
||||
/// Append a wide char unicode string to the buffer using current pen
|
||||
/// position and color.
|
||||
void appendText(FontHandle _fontHandle, const wchar_t* _string, const wchar_t* _end = NULL);
|
||||
|
||||
/// append a whole face of the atlas cube, mostly used for debugging and visualizing atlas
|
||||
/// Append a whole face of the atlas cube, mostly used for debugging
|
||||
/// and visualizing atlas.
|
||||
void appendAtlasFace(uint16_t _faceIndex);
|
||||
|
||||
/// Clear the text buffer and reset its state (pen/color)
|
||||
void clearTextBuffer();
|
||||
|
||||
/// get pointer to the vertex buffer to submit it to the graphic card
|
||||
/// Get pointer to the vertex buffer to submit it to the graphic card.
|
||||
const uint8_t* getVertexBuffer()
|
||||
{
|
||||
return (uint8_t*) m_vertexBuffer;
|
||||
}
|
||||
/// number of vertex in the vertex buffer
|
||||
uint32_t getVertexCount()
|
||||
|
||||
/// Number of vertex in the vertex buffer.
|
||||
uint32_t getVertexCount() const
|
||||
{
|
||||
return m_vertexCount;
|
||||
}
|
||||
/// size in bytes of a vertex
|
||||
uint32_t getVertexSize()
|
||||
|
||||
/// Size in bytes of a vertex.
|
||||
uint32_t getVertexSize() const
|
||||
{
|
||||
return sizeof(TextVertex);
|
||||
}
|
||||
|
||||
/// get a pointer to the index buffer to submit it to the graphic
|
||||
const uint16_t* getIndexBuffer()
|
||||
const uint16_t* getIndexBuffer() const
|
||||
{
|
||||
return m_indexBuffer;
|
||||
}
|
||||
|
||||
/// number of index in the index buffer
|
||||
uint32_t getIndexCount()
|
||||
uint32_t getIndexCount() const
|
||||
{
|
||||
return m_indexCount;
|
||||
}
|
||||
/// size in bytes of an index
|
||||
uint32_t getIndexSize()
|
||||
|
||||
/// Size in bytes of an index.
|
||||
uint32_t getIndexSize() const
|
||||
{
|
||||
return sizeof(uint16_t);
|
||||
}
|
||||
|
||||
uint32_t getTextColor()
|
||||
uint32_t getTextColor() const
|
||||
{
|
||||
return toABGR(m_textColor);
|
||||
}
|
||||
|
|
@ -121,12 +132,14 @@ public:
|
|||
private:
|
||||
void appendGlyph(CodePoint _codePoint, const FontInfo& _font, const GlyphInfo& _glyphInfo);
|
||||
void verticalCenterLastLine(float _txtDecalY, float _top, float _bottom);
|
||||
uint32_t toABGR(uint32_t _rgba)
|
||||
|
||||
static uint32_t toABGR(uint32_t _rgba)
|
||||
{
|
||||
return ( ( (_rgba >> 0) & 0xff) << 24) |
|
||||
( ( (_rgba >> 8) & 0xff) << 16) |
|
||||
( ( (_rgba >> 16) & 0xff) << 8) |
|
||||
( ( (_rgba >> 24) & 0xff) << 0);
|
||||
return ( ( (_rgba >> 0) & 0xff) << 24)
|
||||
| ( ( (_rgba >> 8) & 0xff) << 16)
|
||||
| ( ( (_rgba >> 16) & 0xff) << 8)
|
||||
| ( ( (_rgba >> 24) & 0xff) << 0)
|
||||
;
|
||||
}
|
||||
|
||||
uint32_t m_styleFlags;
|
||||
|
|
@ -151,8 +164,6 @@ private:
|
|||
float m_lineGap;
|
||||
|
||||
TextRectangle m_rectangle;
|
||||
|
||||
///
|
||||
FontManager* m_fontManager;
|
||||
|
||||
void setVertex(uint32_t _i, float _x, float _y, uint32_t _rgba, uint8_t _style = STYLE_NORMAL)
|
||||
|
|
@ -259,7 +270,8 @@ void TextBuffer::appendText(FontHandle _fontHandle, const wchar_t* _string, cons
|
|||
m_lineAscender = 0;
|
||||
m_lineGap = 0;
|
||||
}
|
||||
if( _end == NULL)
|
||||
|
||||
if (_end == NULL)
|
||||
{
|
||||
_end = _string + (uint32_t) wcslen(_string);
|
||||
}
|
||||
|
|
@ -291,7 +303,11 @@ void TextBuffer::appendAtlasFace(uint16_t _faceIndex)
|
|||
float x1 = x0 + (float)m_fontManager->getAtlas()->getTextureSize();
|
||||
float y1 = y0 + (float)m_fontManager->getAtlas()->getTextureSize();
|
||||
|
||||
m_fontManager->getAtlas()->packFaceLayerUV(_faceIndex, (uint8_t*)m_vertexBuffer, sizeof(TextVertex) * m_vertexCount + offsetof(TextVertex, u), sizeof(TextVertex) );
|
||||
m_fontManager->getAtlas()->packFaceLayerUV(_faceIndex
|
||||
, (uint8_t*)m_vertexBuffer
|
||||
, sizeof(TextVertex) * m_vertexCount + offsetof(TextVertex, u)
|
||||
, sizeof(TextVertex)
|
||||
);
|
||||
|
||||
setVertex(m_vertexCount + 0, x0, y0, m_backgroundColor);
|
||||
setVertex(m_vertexCount + 1, x0, y1, m_backgroundColor);
|
||||
|
|
@ -372,7 +388,11 @@ void TextBuffer::appendGlyph(CodePoint _codePoint, const FontInfo& _font, const
|
|||
float x1 = ( (float)x0 + (_glyphInfo.advance_x) );
|
||||
float y1 = (m_penY + m_lineAscender - m_lineDescender + m_lineGap);
|
||||
|
||||
m_fontManager->getAtlas()->packUV(blackGlyph.regionIndex, (uint8_t*)m_vertexBuffer, sizeof(TextVertex) * m_vertexCount + offsetof(TextVertex, u), sizeof(TextVertex) );
|
||||
m_fontManager->getAtlas()->packUV(blackGlyph.regionIndex
|
||||
, (uint8_t*)m_vertexBuffer
|
||||
, sizeof(TextVertex) * m_vertexCount + offsetof(TextVertex, u)
|
||||
, sizeof(TextVertex)
|
||||
);
|
||||
|
||||
setVertex(m_vertexCount + 0, x0, y0, m_backgroundColor, STYLE_BACKGROUND);
|
||||
setVertex(m_vertexCount + 1, x0, y1, m_backgroundColor, STYLE_BACKGROUND);
|
||||
|
|
@ -397,7 +417,11 @@ void TextBuffer::appendGlyph(CodePoint _codePoint, const FontInfo& _font, const
|
|||
float x1 = ( (float)x0 + (_glyphInfo.advance_x) );
|
||||
float y1 = y0 + _font.underlineThickness;
|
||||
|
||||
m_fontManager->getAtlas()->packUV(blackGlyph.regionIndex, (uint8_t*)m_vertexBuffer, sizeof(TextVertex) * m_vertexCount + offsetof(TextVertex, u), sizeof(TextVertex) );
|
||||
m_fontManager->getAtlas()->packUV(blackGlyph.regionIndex
|
||||
, (uint8_t*)m_vertexBuffer
|
||||
, sizeof(TextVertex) * m_vertexCount + offsetof(TextVertex, u)
|
||||
, sizeof(TextVertex)
|
||||
);
|
||||
|
||||
setVertex(m_vertexCount + 0, x0, y0, m_underlineColor, STYLE_UNDERLINE);
|
||||
setVertex(m_vertexCount + 1, x0, y1, m_underlineColor, STYLE_UNDERLINE);
|
||||
|
|
@ -422,7 +446,11 @@ void TextBuffer::appendGlyph(CodePoint _codePoint, const FontInfo& _font, const
|
|||
float x1 = ( (float)x0 + (_glyphInfo.advance_x) );
|
||||
float y1 = y0 + _font.underlineThickness;
|
||||
|
||||
m_fontManager->getAtlas()->packUV(blackGlyph.regionIndex, (uint8_t*)m_vertexBuffer, sizeof(TextVertex) * m_vertexCount + offsetof(TextVertex, u), sizeof(TextVertex) );
|
||||
m_fontManager->getAtlas()->packUV(blackGlyph.regionIndex
|
||||
, (uint8_t*)m_vertexBuffer
|
||||
, sizeof(TextVertex) * m_vertexCount + offsetof(TextVertex, u)
|
||||
, sizeof(TextVertex)
|
||||
);
|
||||
|
||||
setVertex(m_vertexCount + 0, x0, y0, m_overlineColor, STYLE_OVERLINE);
|
||||
setVertex(m_vertexCount + 1, x0, y1, m_overlineColor, STYLE_OVERLINE);
|
||||
|
|
@ -447,7 +475,11 @@ void TextBuffer::appendGlyph(CodePoint _codePoint, const FontInfo& _font, const
|
|||
float x1 = ( (float)x0 + (_glyphInfo.advance_x) );
|
||||
float y1 = y0 + _font.underlineThickness;
|
||||
|
||||
m_fontManager->getAtlas()->packUV(blackGlyph.regionIndex, (uint8_t*)m_vertexBuffer, sizeof(TextVertex) * m_vertexCount + offsetof(TextVertex, u), sizeof(TextVertex) );
|
||||
m_fontManager->getAtlas()->packUV(blackGlyph.regionIndex
|
||||
, (uint8_t*)m_vertexBuffer
|
||||
, sizeof(TextVertex) * m_vertexCount + offsetof(TextVertex, u)
|
||||
, sizeof(TextVertex)
|
||||
);
|
||||
|
||||
setVertex(m_vertexCount + 0, x0, y0, m_strikeThroughColor, STYLE_STRIKE_THROUGH);
|
||||
setVertex(m_vertexCount + 1, x0, y1, m_strikeThroughColor, STYLE_STRIKE_THROUGH);
|
||||
|
|
@ -469,7 +501,11 @@ void TextBuffer::appendGlyph(CodePoint _codePoint, const FontInfo& _font, const
|
|||
float x1 = (x0 + _glyphInfo.width);
|
||||
float y1 = (y0 + _glyphInfo.height);
|
||||
|
||||
m_fontManager->getAtlas()->packUV(_glyphInfo.regionIndex, (uint8_t*)m_vertexBuffer, sizeof(TextVertex) * m_vertexCount + offsetof(TextVertex, u), sizeof(TextVertex) );
|
||||
m_fontManager->getAtlas()->packUV(_glyphInfo.regionIndex
|
||||
, (uint8_t*)m_vertexBuffer
|
||||
, sizeof(TextVertex) * m_vertexCount + offsetof(TextVertex, u)
|
||||
, sizeof(TextVertex)
|
||||
);
|
||||
|
||||
setVertex(m_vertexCount + 0, x0, y0, m_textColor);
|
||||
setVertex(m_vertexCount + 1, x0, y1, m_textColor);
|
||||
|
|
@ -680,17 +716,27 @@ void TextBufferManager::submitTextBuffer(TextBufferHandle _handle, uint8_t _id,
|
|||
{
|
||||
case FONT_TYPE_ALPHA:
|
||||
bgfx::setProgram(m_basicProgram);
|
||||
bgfx::setState(BGFX_STATE_RGB_WRITE | BGFX_STATE_BLEND_FUNC(BGFX_STATE_BLEND_SRC_ALPHA, BGFX_STATE_BLEND_INV_SRC_ALPHA) );
|
||||
bgfx::setState(0
|
||||
| BGFX_STATE_RGB_WRITE
|
||||
| BGFX_STATE_BLEND_FUNC(BGFX_STATE_BLEND_SRC_ALPHA, BGFX_STATE_BLEND_INV_SRC_ALPHA)
|
||||
);
|
||||
break;
|
||||
|
||||
case FONT_TYPE_DISTANCE:
|
||||
bgfx::setProgram(m_distanceProgram);
|
||||
bgfx::setState(BGFX_STATE_RGB_WRITE | BGFX_STATE_BLEND_FUNC(BGFX_STATE_BLEND_SRC_ALPHA, BGFX_STATE_BLEND_INV_SRC_ALPHA) );
|
||||
bgfx::setState(0
|
||||
| BGFX_STATE_RGB_WRITE
|
||||
| BGFX_STATE_BLEND_FUNC(BGFX_STATE_BLEND_SRC_ALPHA, BGFX_STATE_BLEND_INV_SRC_ALPHA)
|
||||
);
|
||||
break;
|
||||
|
||||
case FONT_TYPE_DISTANCE_SUBPIXEL:
|
||||
bgfx::setProgram(m_distanceSubpixelProgram);
|
||||
bgfx::setState(BGFX_STATE_RGB_WRITE | BGFX_STATE_BLEND_FUNC(BGFX_STATE_BLEND_FACTOR, BGFX_STATE_BLEND_INV_SRC_COLOR), bc.textBuffer->getTextColor() );
|
||||
bgfx::setState(0
|
||||
| BGFX_STATE_RGB_WRITE
|
||||
| BGFX_STATE_BLEND_FUNC(BGFX_STATE_BLEND_FACTOR, BGFX_STATE_BLEND_INV_SRC_COLOR)
|
||||
, bc.textBuffer->getTextColor()
|
||||
);
|
||||
break;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -54,19 +54,19 @@ public:
|
|||
|
||||
void setPenPosition(TextBufferHandle _handle, float _x, float _y);
|
||||
|
||||
/// append an ASCII/utf-8 string to the buffer using current pen position and color
|
||||
/// Append an ASCII/utf-8 string to the buffer using current pen position and color.
|
||||
void appendText(TextBufferHandle _handle, FontHandle _fontHandle, const char* _string, const char* _end = NULL);
|
||||
|
||||
/// append a wide char unicode string to the buffer using current pen position and color
|
||||
/// Append a wide char unicode string to the buffer using current pen position and color.
|
||||
void appendText(TextBufferHandle _handle, FontHandle _fontHandle, const wchar_t* _string, const wchar_t* _end = NULL);
|
||||
|
||||
/// append a whole face of the atlas cube, mostly used for debugging and visualizing atlas
|
||||
/// Append a whole face of the atlas cube, mostly used for debugging and visualizing atlas.
|
||||
void appendAtlasFace(TextBufferHandle _handle, uint16_t _faceIndex);
|
||||
|
||||
/// Clear the text buffer and reset its state (pen/color)
|
||||
/// Clear the text buffer and reset its state (pen/color).
|
||||
void clearTextBuffer(TextBufferHandle _handle);
|
||||
|
||||
/// Return the rectangular size of the current text buffer (including all its content)
|
||||
/// Return the rectangular size of the current text buffer (including all its content).
|
||||
TextRectangle getRectangle(TextBufferHandle _handle) const;
|
||||
|
||||
private:
|
||||
|
|
|
|||
|
|
@ -2,11 +2,19 @@
|
|||
* Copyright 2013 Jeremie Roy. All rights reserved.
|
||||
* License: http://www.opensource.org/licenses/BSD-2-Clause
|
||||
*/
|
||||
|
||||
#include <wchar.h> // wcslen
|
||||
|
||||
#include "text_metrics.h"
|
||||
#include <wchar.h> // wcslen
|
||||
#include "utf8.h"
|
||||
|
||||
TextMetrics::TextMetrics(FontManager* _fontManager): m_fontManager(_fontManager), m_width(0), m_height(0), m_x(0), m_lineHeight(0), m_lineGap(0)
|
||||
TextMetrics::TextMetrics(FontManager* _fontManager)
|
||||
: m_fontManager(_fontManager)
|
||||
, m_width(0)
|
||||
, m_height(0)
|
||||
, m_x(0)
|
||||
, m_lineHeight(0)
|
||||
, m_lineGap(0)
|
||||
{
|
||||
}
|
||||
|
||||
|
|
@ -15,12 +23,12 @@ void TextMetrics::appendText(FontHandle _fontHandle, const char* _string)
|
|||
GlyphInfo glyph;
|
||||
const FontInfo& font = m_fontManager->getFontInfo(_fontHandle);
|
||||
|
||||
if(font.lineGap > m_lineGap)
|
||||
if (font.lineGap > m_lineGap)
|
||||
{
|
||||
m_lineGap = font.lineGap;
|
||||
}
|
||||
|
||||
if( (font.ascender - font.descender) > m_lineHeight)
|
||||
if ( (font.ascender - font.descender) > m_lineHeight)
|
||||
{
|
||||
m_height -= m_lineHeight;
|
||||
m_lineHeight = font.ascender - font.descender;
|
||||
|
|
@ -66,12 +74,12 @@ void TextMetrics::appendText(FontHandle _fontHandle, const wchar_t* _string)
|
|||
GlyphInfo glyph;
|
||||
const FontInfo& font = m_fontManager->getFontInfo(_fontHandle);
|
||||
|
||||
if(font.lineGap > m_lineGap)
|
||||
if (font.lineGap > m_lineGap)
|
||||
{
|
||||
m_lineGap = font.lineGap;
|
||||
}
|
||||
|
||||
if( (font.ascender - font.descender) > m_lineHeight)
|
||||
if ( (font.ascender - font.descender) > m_lineHeight)
|
||||
{
|
||||
m_height -= m_lineHeight;
|
||||
m_lineHeight = font.ascender - font.descender;
|
||||
|
|
@ -91,7 +99,7 @@ void TextMetrics::appendText(FontHandle _fontHandle, const wchar_t* _string)
|
|||
m_x = 0;
|
||||
break;
|
||||
}
|
||||
//TODO handle kerning
|
||||
|
||||
m_x += glyph.advance_x;
|
||||
if(m_x > m_width)
|
||||
{
|
||||
|
|
@ -105,7 +113,7 @@ void TextMetrics::appendText(FontHandle _fontHandle, const wchar_t* _string)
|
|||
}
|
||||
}
|
||||
|
||||
TextLineMetrics::TextLineMetrics(FontManager* _fontManager, FontHandle _fontHandle )
|
||||
TextLineMetrics::TextLineMetrics(FontManager* _fontManager, FontHandle _fontHandle)
|
||||
{
|
||||
const FontInfo& font = _fontManager->getFontInfo(_fontHandle);
|
||||
m_lineHeight = font.ascender - font.descender + font.lineGap;
|
||||
|
|
@ -118,7 +126,7 @@ uint32_t TextLineMetrics::getLineCount(const char* _string) const
|
|||
uint32_t lineCount = 1;
|
||||
for (; *_string; ++_string)
|
||||
{
|
||||
if(utf8_decode(&state, (uint32_t*)&codepoint, *_string) == UTF8_ACCEPT)
|
||||
if (utf8_decode(&state, (uint32_t*)&codepoint, *_string) == UTF8_ACCEPT)
|
||||
{
|
||||
if(codepoint == L'\n')
|
||||
{
|
||||
|
|
@ -126,6 +134,7 @@ uint32_t TextLineMetrics::getLineCount(const char* _string) const
|
|||
}
|
||||
}
|
||||
}
|
||||
|
||||
BX_CHECK(state == UTF8_ACCEPT, "The string is not well-formed");
|
||||
return lineCount;
|
||||
}
|
||||
|
|
@ -165,6 +174,7 @@ void TextLineMetrics::getSubText(const char* _string, uint32_t _firstLine, uint3
|
|||
}
|
||||
}
|
||||
}
|
||||
|
||||
BX_CHECK(state == UTF8_ACCEPT, "The string is not well-formed");
|
||||
_begin = _string;
|
||||
|
||||
|
|
@ -183,6 +193,7 @@ void TextLineMetrics::getSubText(const char* _string, uint32_t _firstLine, uint3
|
|||
}
|
||||
}
|
||||
}
|
||||
|
||||
BX_CHECK(state == UTF8_ACCEPT, "The string is not well-formed");
|
||||
_end = _string;
|
||||
}
|
||||
|
|
@ -190,7 +201,7 @@ void TextLineMetrics::getSubText(const char* _string, uint32_t _firstLine, uint3
|
|||
void TextLineMetrics::getSubText(const wchar_t* _string, uint32_t _firstLine, uint32_t _lastLine, const wchar_t*& _begin, const wchar_t*& _end)
|
||||
{
|
||||
uint32_t currentLine = 0;
|
||||
while((*_string != L'\0') && (currentLine < _firstLine))
|
||||
while ( (*_string != L'\0') && (currentLine < _firstLine) )
|
||||
{
|
||||
for ( ;*_string != L'\0'; ++_string)
|
||||
{
|
||||
|
|
@ -204,7 +215,7 @@ void TextLineMetrics::getSubText(const wchar_t* _string, uint32_t _firstLine, ui
|
|||
}
|
||||
_begin = _string;
|
||||
|
||||
while((*_string != L'\0') && (currentLine < _lastLine) )
|
||||
while ( (*_string != L'\0') && (currentLine < _lastLine) )
|
||||
{
|
||||
for ( ;*_string != L'\0'; ++_string)
|
||||
{
|
||||
|
|
@ -225,7 +236,7 @@ void TextLineMetrics::getVisibleText(const char* _string, float _top, float _bot
|
|||
uint32_t state = 0;
|
||||
// y is bottom of a text line
|
||||
float y = m_lineHeight;
|
||||
while(*_string && (y < _top))
|
||||
while (*_string && (y < _top) )
|
||||
{
|
||||
for (; *_string; ++_string)
|
||||
{
|
||||
|
|
@ -240,12 +251,13 @@ void TextLineMetrics::getVisibleText(const char* _string, float _top, float _bot
|
|||
}
|
||||
}
|
||||
}
|
||||
|
||||
BX_CHECK(state == UTF8_ACCEPT, "The string is not well-formed");
|
||||
_begin = _string;
|
||||
|
||||
// y is now top of a text line
|
||||
y -= m_lineHeight;
|
||||
while((*_string) && (y < _bottom) )
|
||||
while ( (*_string) && (y < _bottom) )
|
||||
{
|
||||
for (; *_string; ++_string)
|
||||
{
|
||||
|
|
@ -260,6 +272,7 @@ void TextLineMetrics::getVisibleText(const char* _string, float _top, float _bot
|
|||
}
|
||||
}
|
||||
}
|
||||
|
||||
BX_CHECK(state == UTF8_ACCEPT, "The string is not well-formed");
|
||||
_end = _string;
|
||||
}
|
||||
|
|
@ -271,7 +284,7 @@ void TextLineMetrics::getVisibleText(const wchar_t* _string, float _top, float _
|
|||
|
||||
const wchar_t* _textEnd = _string + wcslen(_string);
|
||||
|
||||
while(y < _top)
|
||||
while (y < _top)
|
||||
{
|
||||
for (const wchar_t* _current = _string; _current < _textEnd; ++_current)
|
||||
{
|
||||
|
|
@ -287,7 +300,7 @@ void TextLineMetrics::getVisibleText(const wchar_t* _string, float _top, float _
|
|||
|
||||
// y is now top of a text line
|
||||
y -= m_lineHeight;
|
||||
while(y < _bottom )
|
||||
while (y < _bottom )
|
||||
{
|
||||
for (const wchar_t* _current = _string; _current < _textEnd; ++_current)
|
||||
{
|
||||
|
|
|
|||
|
|
@ -13,16 +13,16 @@ class TextMetrics
|
|||
public:
|
||||
TextMetrics(FontManager* _fontManager);
|
||||
|
||||
/// Append an ASCII/utf-8 string to the metrics helper
|
||||
/// Append an ASCII/utf-8 string to the metrics helper.
|
||||
void appendText(FontHandle _fontHandle, const char* _string);
|
||||
|
||||
/// Append a wide char string to the metrics helper
|
||||
/// Append a wide char string to the metrics helper.
|
||||
void appendText(FontHandle _fontHandle, const wchar_t* _string);
|
||||
|
||||
/// return the width of the measured text
|
||||
/// Return the width of the measured text.
|
||||
float getWidth() const { return m_width; }
|
||||
|
||||
/// return the height of the measured text
|
||||
/// Return the height of the measured text.
|
||||
float getHeight() const { return m_height; }
|
||||
|
||||
private:
|
||||
|
|
@ -34,27 +34,30 @@ private:
|
|||
float m_lineGap;
|
||||
};
|
||||
|
||||
/// Compute text crop area for text using a single font
|
||||
/// Compute text crop area for text using a single font.
|
||||
class TextLineMetrics
|
||||
{
|
||||
public:
|
||||
TextLineMetrics(FontManager* _fontManager, FontHandle _fontHandle);
|
||||
|
||||
/// Return the height of a line of text using the given font
|
||||
/// Return the height of a line of text using the given font.
|
||||
float getLineHeight() const { return m_lineHeight; }
|
||||
|
||||
/// Return the number of text line in the given text
|
||||
/// Return the number of text line in the given text.
|
||||
uint32_t getLineCount(const char* _string) const;
|
||||
/// Return the number of text line in the given text
|
||||
|
||||
/// Return the number of text line in the given text.
|
||||
uint32_t getLineCount(const wchar_t* _string) const;
|
||||
|
||||
/// Return the first and last character visible in the [_firstLine, _lastLine[ range
|
||||
/// Return the first and last character visible in the [_firstLine, _lastLine] range.
|
||||
void getSubText(const char* _string, uint32_t _firstLine, uint32_t _lastLine, const char*& _begin, const char*& _end);
|
||||
/// Return the first and last character visible in the [_firstLine, _lastLine[ range
|
||||
|
||||
/// Return the first and last character visible in the [_firstLine, _lastLine] range.
|
||||
void getSubText(const wchar_t* _string, uint32_t _firstLine, uint32_t _lastLine, const wchar_t*& _begin, const wchar_t*& _end);
|
||||
|
||||
/// Return the first and last character visible in the [_top, _bottom] range,
|
||||
void getVisibleText(const char* _string, float _top, float _bottom, const char*& _begin, const char*& _end);
|
||||
|
||||
/// Return the first and last character visible in the [_top, _bottom] range,
|
||||
void getVisibleText(const wchar_t* _string, float _top, float _bottom, const wchar_t*& _begin, const wchar_t*& _end);
|
||||
|
||||
|
|
@ -63,5 +66,4 @@ private:
|
|||
float m_lineHeight;
|
||||
};
|
||||
|
||||
|
||||
#endif // __TEXT_METRICS_H__
|
||||
|
|
|
|||
Loading…
Reference in a new issue