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-rw-r--r--guilib/GUIFont.cpp292
1 files changed, 0 insertions, 292 deletions
diff --git a/guilib/GUIFont.cpp b/guilib/GUIFont.cpp
deleted file mode 100644
index f52f3c65fd..0000000000
--- a/guilib/GUIFont.cpp
+++ /dev/null
@@ -1,292 +0,0 @@
-/*
- * Copyright (C) 2005-2008 Team XBMC
- * http://www.xbmc.org
- *
- * This Program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This Program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with XBMC; see the file COPYING. If not, write to
- * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
- * http://www.gnu.org/copyleft/gpl.html
- *
- */
-
-#include "GUIFont.h"
-#include "GUIFontTTF.h"
-#include "GraphicContext.h"
-
-#include "utils/SingleLock.h"
-#include "utils/TimeUtils.h"
-#include "MathUtils.h"
-
-#define ROUND(x) (float)(MathUtils::round_int(x))
-
-float CScrollInfo::GetPixelsPerFrame()
-{
- static const float alphaEMA = 0.05f;
-
- if (0 == pixelSpeed)
- return 0; // not scrolling
- unsigned int currentTime = CTimeUtils::GetFrameTime();
- float delta = m_lastFrameTime ? (float)(currentTime - m_lastFrameTime) : m_averageFrameTime;
- if (delta > 100)
- delta = 100; // assume a minimum of 10 fps
- m_lastFrameTime = currentTime;
- // do an exponential moving average of the frame time
- m_averageFrameTime = m_averageFrameTime + (delta - m_averageFrameTime) * alphaEMA;
- // and multiply by pixel speed (per ms) to get number of pixels to move this frame
- return pixelSpeed * m_averageFrameTime;
-}
-
-CGUIFont::CGUIFont(const CStdString& strFontName, uint32_t style, color_t textColor,
- color_t shadowColor, float lineSpacing, float origHeight, CGUIFontTTFBase *font)
-{
- m_strFontName = strFontName;
- m_style = style & 3;
- m_textColor = textColor;
- m_shadowColor = shadowColor;
- m_lineSpacing = lineSpacing;
- m_origHeight = origHeight;
- m_font = font;
-
- if (m_font)
- m_font->AddReference();
-}
-
-CGUIFont::~CGUIFont()
-{
- if (m_font)
- m_font->RemoveReference();
-}
-
-CStdString& CGUIFont::GetFontName()
-{
- return m_strFontName;
-}
-
-void CGUIFont::DrawText( float x, float y, const vecColors &colors, color_t shadowColor,
- const vecText &text, uint32_t alignment, float maxPixelWidth)
-{
- if (!m_font) return;
-
- bool clip = maxPixelWidth > 0;
- if (clip && ClippedRegionIsEmpty(x, y, maxPixelWidth, alignment))
- return;
-
- maxPixelWidth = ROUND(maxPixelWidth / g_graphicsContext.GetGUIScaleX());
- vecColors renderColors;
- for (unsigned int i = 0; i < colors.size(); i++)
- renderColors.push_back(g_graphicsContext.MergeAlpha(colors[i] ? colors[i] : m_textColor));
- if (!shadowColor) shadowColor = m_shadowColor;
- if (shadowColor)
- {
- shadowColor = g_graphicsContext.MergeAlpha(shadowColor);
- vecColors shadowColors;
- for (unsigned int i = 0; i < renderColors.size(); i++)
- shadowColors.push_back((renderColors[i] & 0xff000000) != 0 ? shadowColor : 0);
- m_font->DrawTextInternal(x + 1, y + 1, shadowColors, text, alignment, maxPixelWidth, false);
- }
- m_font->DrawTextInternal( x, y, renderColors, text, alignment, maxPixelWidth, false);
-
- if (clip)
- g_graphicsContext.RestoreClipRegion();
-}
-
-void CGUIFont::DrawScrollingText(float x, float y, const vecColors &colors, color_t shadowColor,
- const vecText &text, uint32_t alignment, float maxWidth, CScrollInfo &scrollInfo)
-{
- if (!m_font) return;
- if (!shadowColor) shadowColor = m_shadowColor;
-
- float spaceWidth = GetCharWidth(L' ');
- // max chars on screen + extra margin chars
- vecText::size_type maxChars =
- std::min<vecText::size_type>(
- (text.size() + (vecText::size_type)scrollInfo.suffix.size()),
- (vecText::size_type)((maxWidth * 1.05f) / spaceWidth));
-
- if (!text.size() || ClippedRegionIsEmpty(x, y, maxWidth, alignment))
- return; // nothing to render
-
- maxWidth = ROUND(maxWidth / g_graphicsContext.GetGUIScaleX());
-
- // draw at our scroll position
- // we handle the scrolling as follows:
- // We scroll on a per-pixel basis up until we have scrolled the first character outside
- // of our viewport, whereby we cycle the string around, and reset the scroll position.
- //
- // pixelPos is the amount in pixels to move the string by.
- // characterPos is the amount in characters to rotate the string by.
- //
- float offset = scrollInfo.pixelPos;
- if (!scrollInfo.waitTime)
- {
- // move along by the appropriate scroll amount
- float scrollAmount = fabs(scrollInfo.GetPixelsPerFrame() * g_graphicsContext.GetGUIScaleX());
-
- if (scrollInfo.pixelSpeed > 0)
- {
- // we want to move scrollAmount, grab the next character
- float charWidth = GetCharWidth(scrollInfo.GetCurrentChar(text));
- if (scrollInfo.pixelPos + scrollAmount < charWidth)
- scrollInfo.pixelPos += scrollAmount; // within the current character
- else
- { // past the current character, decrement scrollAmount by the charWidth and move to the next character
- while (scrollInfo.pixelPos + scrollAmount >= charWidth)
- {
- scrollAmount -= (charWidth - scrollInfo.pixelPos);
- scrollInfo.pixelPos = 0;
- scrollInfo.characterPos++;
- if (scrollInfo.characterPos >= text.size() + scrollInfo.suffix.size())
- {
- scrollInfo.Reset();
- break;
- }
- charWidth = GetCharWidth(scrollInfo.GetCurrentChar(text));
- }
- }
- offset = scrollInfo.pixelPos;
- }
- else if (scrollInfo.pixelSpeed < 0)
- { // scrolling backwards
- // we want to move scrollAmount, grab the next character
- float charWidth = GetCharWidth(scrollInfo.GetCurrentChar(text));
- if (scrollInfo.pixelPos + scrollAmount < charWidth)
- scrollInfo.pixelPos += scrollAmount; // within the current character
- else
- { // past the current character, decrement scrollAmount by the charWidth and move to the next character
- while (scrollInfo.pixelPos + scrollAmount >= charWidth)
- {
- scrollAmount -= (charWidth - scrollInfo.pixelPos);
- scrollInfo.pixelPos = 0;
- if (scrollInfo.characterPos == 0)
- {
- scrollInfo.Reset();
- scrollInfo.characterPos = text.size() + scrollInfo.suffix.size() - 1;
- break;
- }
- scrollInfo.characterPos--;
- charWidth = GetCharWidth(scrollInfo.GetCurrentChar(text));
- }
- }
- offset = charWidth - scrollInfo.pixelPos;
- }
- }
- else
- scrollInfo.waitTime--;
-
- // Now rotate our string as needed, only take a slightly larger then visible part of the text.
- unsigned int pos = scrollInfo.characterPos;
- vecText renderText;
- renderText.reserve(maxChars);
- for (vecText::size_type i = 0; i < maxChars; i++)
- {
- if (pos >= text.size() + scrollInfo.suffix.size())
- pos = 0;
- if (pos < text.size())
- renderText.push_back(text[pos]);
- else
- renderText.push_back(scrollInfo.suffix[pos - text.size()]);
- pos++;
- }
-
- vecColors renderColors;
- for (unsigned int i = 0; i < colors.size(); i++)
- renderColors.push_back(g_graphicsContext.MergeAlpha(colors[i] ? colors[i] : m_textColor));
-
- bool scroll = !scrollInfo.waitTime && scrollInfo.pixelSpeed;
- if (shadowColor)
- {
- shadowColor = g_graphicsContext.MergeAlpha(shadowColor);
- vecColors shadowColors;
- for (unsigned int i = 0; i < renderColors.size(); i++)
- shadowColors.push_back((renderColors[i] & 0xff000000) != 0 ? shadowColor : 0);
- m_font->DrawTextInternal(x - offset + 1, y + 1, shadowColors, renderText, alignment, maxWidth + scrollInfo.pixelPos + m_font->GetLineHeight(2.0f), scroll);
- }
- m_font->DrawTextInternal(x - offset, y, renderColors, renderText, alignment, maxWidth + scrollInfo.pixelPos + m_font->GetLineHeight(2.0f), scroll);
-
- g_graphicsContext.RestoreClipRegion();
-}
-
-// remaps unsupported font glpyhs to other suitable ones
-wchar_t CGUIFont::RemapGlyph(wchar_t letter)
-{
- if (letter == 0x2019 || letter == 0x2018) return 0x0027; // single quotes
- else if (letter == 0x201c || letter == 0x201d) return 0x0022;
- return 0; // no decent character map
-}
-
-bool CGUIFont::ClippedRegionIsEmpty(float x, float y, float width, uint32_t alignment) const
-{
- if (alignment & XBFONT_CENTER_X)
- x -= width * 0.5f;
- else if (alignment & XBFONT_RIGHT)
- x -= width;
- if (alignment & XBFONT_CENTER_Y)
- y -= m_font->GetLineHeight(m_lineSpacing);
-
- return !g_graphicsContext.SetClipRegion(x, y, width, m_font->GetLineHeight(2.0f) * g_graphicsContext.GetGUIScaleY());
-}
-
-float CGUIFont::GetTextWidth( const vecText &text )
-{
- if (!m_font) return 0;
- CSingleLock lock(g_graphicsContext);
- return m_font->GetTextWidthInternal(text.begin(), text.end()) * g_graphicsContext.GetGUIScaleX();
-}
-
-float CGUIFont::GetCharWidth( character_t ch )
-{
- if (!m_font) return 0;
- CSingleLock lock(g_graphicsContext);
- return m_font->GetCharWidthInternal(ch) * g_graphicsContext.GetGUIScaleX();
-}
-
-float CGUIFont::GetTextHeight(int numLines) const
-{
- if (!m_font) return 0;
- return m_font->GetTextHeight(m_lineSpacing, numLines) * g_graphicsContext.GetGUIScaleY();
-}
-
-float CGUIFont::GetLineHeight() const
-{
- if (!m_font) return 0;
- return m_font->GetLineHeight(m_lineSpacing) * g_graphicsContext.GetGUIScaleY();
-}
-
-float CGUIFont::GetScaleFactor() const
-{
- if (!m_font) return 1.0f;
- return m_font->GetFontHeight() / m_origHeight;
-}
-
-void CGUIFont::Begin()
-{
- if (!m_font) return;
- m_font->Begin();
-}
-
-void CGUIFont::End()
-{
- if (!m_font) return;
- m_font->End();
-}
-
-void CGUIFont::SetFont(CGUIFontTTFBase *font)
-{
- if (m_font == font)
- return; // no need to update the font if we already have it
- if (m_font)
- m_font->RemoveReference();
- m_font = font;
- if (m_font)
- m_font->AddReference();
-}
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