mirror of
https://github.com/wiidev/usbloadergx.git
synced 2024-11-30 07:04:18 +01:00
435 lines
9.8 KiB
C++
435 lines
9.8 KiB
C++
/****************************************************************************
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* libwiigui
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*
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* Tantric 2009
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*
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* gui_text.cpp
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*
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* GUI class definitions
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***************************************************************************/
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#include "gui.h"
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static int currentSize = 0;
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static int currentWidescreen = 0;
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static int presetSize = 0;
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static GXColor presetColor = (GXColor){255, 255, 255, 255};
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static int presetMaxWidth = 0;
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static int presetWrapMode = GuiText::WRAP;
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static u16 presetStyle = FTGX_NULL;
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static int presetAlignmentHor = 0;
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static int presetAlignmentVert = 0;
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/**
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* Constructor for the GuiText class.
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*/
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GuiText::GuiText(const char * t, int s, GXColor c)
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{
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text = NULL;
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size = s;
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color = c;
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alpha = c.a;
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style = FTGX_JUSTIFY_CENTER | FTGX_ALIGN_MIDDLE;
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maxWidth = 0;
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wrapMode = GuiText::WRAP;
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scrollPos1 = 0;
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scrollPos2 = 0;
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scrollDelay = 0;
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font = NULL;
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widescreen = 0; //added
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alignmentHor = ALIGN_CENTRE;
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alignmentVert = ALIGN_MIDDLE;
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if(t)
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text = FreeTypeGX::charToWideChar((char *)t);
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}
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/**
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* Constructor for the GuiText class, uses presets
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*/
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GuiText::GuiText(const char * t)
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{
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text = NULL;
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size = presetSize;
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color = presetColor;
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alpha = presetColor.a;
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style = presetStyle;
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maxWidth = presetMaxWidth;
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wrapMode = presetWrapMode;
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scrollPos1 = 0;
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scrollPos2 = 0;
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scrollDelay = 0;
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font = NULL;
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widescreen = 0; //added
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alignmentHor = presetAlignmentHor;
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alignmentVert = presetAlignmentVert;
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if(t)
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text = FreeTypeGX::charToWideChar((char *)t);
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}
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/**
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* Destructor for the GuiText class.
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*/
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GuiText::~GuiText()
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{
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if(text)
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{
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delete [] text;
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text = NULL;
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}
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}
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void GuiText::SetText(const char * t)
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{
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LOCK(this);
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if(text)
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delete [] text;
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text = NULL;
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if(t)
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text = FreeTypeGX::charToWideChar((char *)t);
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scrollPos2 = 0;
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scrollDelay = 0;
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}
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void GuiText::SetTextf(const char *format, ...)
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{
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char *tmp=0;
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va_list va;
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va_start(va, format);
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if((vasprintf(&tmp, format, va)>=0) && tmp)
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{
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this->SetText(tmp);
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free(tmp);
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}
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va_end(va);
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}
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void GuiText::SetPresets(int sz, GXColor c, int w, int wrap, u16 s, int h, int v)
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{
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presetSize = sz;
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presetColor = c;
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presetMaxWidth = w;
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presetWrapMode = wrap;
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presetStyle = s;
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presetAlignmentHor = h;
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presetAlignmentVert = v;
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}
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void GuiText::SetFontSize(int s)
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{
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LOCK(this);
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size = s;
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}
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void GuiText::SetMaxWidth(int w, short m/*=GuiText::WRAP*/)
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{
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LOCK(this);
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maxWidth = w;
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wrapMode = m;
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}
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void GuiText::SetColor(GXColor c)
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{
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LOCK(this);
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color = c;
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alpha = c.a;
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}
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void GuiText::SetStyle(u16 s, u16 m/*=0xffff*/)
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{
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LOCK(this);
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style &= ~m;
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style |= s & m;
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}
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void GuiText::SetAlignment(int hor, int vert)
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{
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LOCK(this);
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style = FTGX_NULL;
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switch(hor)
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{
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case ALIGN_LEFT:
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style |= FTGX_JUSTIFY_LEFT;
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break;
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case ALIGN_RIGHT:
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style |= FTGX_JUSTIFY_RIGHT;
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break;
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default:
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style |= FTGX_JUSTIFY_CENTER;
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break;
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}
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switch(vert)
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{
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case ALIGN_TOP:
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style |= FTGX_ALIGN_TOP;
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break;
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case ALIGN_BOTTOM:
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style |= FTGX_ALIGN_BOTTOM;
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break;
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default:
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style |= FTGX_ALIGN_MIDDLE;
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break;
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}
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alignmentHor = hor;
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alignmentVert = vert;
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}
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/**
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* Set the Font
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*/
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void GuiText::SetFont(FreeTypeGX *f)
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{
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LOCK(this);
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font = f;
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}
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int GuiText::GetTextWidth()
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{
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LOCK(this);
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if(!text)
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return 0;
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int newSize = size*this->GetScale();
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if(newSize != currentSize || currentWidescreen != widescreen)
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{
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//fontSystem->changeSize(newSize);
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(font ? font : fontSystem)->changeSize(newSize, widescreen ? newSize*0.8 : 0);
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currentSize = newSize;
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currentWidescreen = widescreen;
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}
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return (font ? font : fontSystem)->getWidth(text);
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}
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void GuiText::SetWidescreen(bool w)
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{
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LOCK(this);
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widescreen = w;
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}
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/**
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* Draw the text on screen
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*/
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void GuiText::Draw()
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{
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LOCK(this);
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if(!text)
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return;
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if(!this->IsVisible())
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return;
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GXColor c = color;
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c.a = this->GetAlpha();
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int newSize = size*this->GetScale();
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if(newSize != currentSize || currentWidescreen != widescreen)
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{
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//fontSystem->changeSize(newSize);
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(font ? font : fontSystem)->changeSize(newSize, widescreen ? newSize*0.8 : 0);
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currentSize = newSize;
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currentWidescreen = widescreen;
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}
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int voffset = 0;
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// if(alignmentVert == ALIGN_MIDDLE)
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// voffset = -newSize/2 + 2;
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if(maxWidth > 0 && (font ? font : fontSystem)->getWidth(text) > maxWidth)
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{
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if(wrapMode == GuiText::WRAP) // text wrapping
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{
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int lineheight = newSize + 6;
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int strlen = wcslen(text);
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int i = 0;
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int ch = 0;
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int linenum = 0;
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int lastSpace = -1;
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int lastSpaceIndex = -1;
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wchar_t * tmptext[20];
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while(ch < strlen)
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{
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if(i == 0)
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tmptext[linenum] = new wchar_t[strlen + 1];
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tmptext[linenum][i] = text[ch];
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tmptext[linenum][i+1] = 0;
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if(text[ch] == ' ' || ch == strlen-1)
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{
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if((font ? font : fontSystem)->getWidth(tmptext[linenum]) >= maxWidth)
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//if(fontSystem->getWidth(tmptext[linenum]) >= maxWidth)
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{
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if(lastSpace >= 0)
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{
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tmptext[linenum][lastSpaceIndex] = 0; // discard space, and everything after
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ch = lastSpace; // go backwards to the last space
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lastSpace = -1; // we have used this space
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lastSpaceIndex = -1;
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}
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linenum++;
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i = -1;
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}
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else if(ch == strlen-1)
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{
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linenum++;
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}
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}
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if(text[ch] == ' ' && i >= 0)
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{
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lastSpace = ch;
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lastSpaceIndex = i;
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}
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ch++;
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i++;
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}
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if(alignmentVert == ALIGN_MIDDLE)
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voffset = voffset - (lineheight*linenum)/2 + lineheight/2;
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for(i=0; i < linenum; i++)
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{
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(font ? font : fontSystem)->drawText(this->GetLeft(), this->GetTop()+voffset+i*lineheight, tmptext[i], c, style);
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delete tmptext[i];
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}
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}
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else if(wrapMode == GuiText::DOTTED) // text dotted
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{
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wchar_t save[4];
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int strlen = wcslen(text);
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int dotPos=strlen-3;
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int i;
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bool drawed = false;
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while(dotPos > 0 && drawed == false)
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{
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for(i=0; i<4; i++) // save Text for "..."
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{
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save[i] = text[dotPos+i];
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text[dotPos+i] = (i != 3 ? _TEXT('.') : 0);
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}
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if(((font ? font : fontSystem)->getWidth(text)) <= maxWidth)
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{
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(font ? font : fontSystem)->drawText(this->GetLeft(), this->GetTop()+voffset, text, c, style);
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drawed = true;
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}
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for(i=0; i<4; i++) // write saved Text back
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text[dotPos+i] = save[i];
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dotPos--;
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}
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if(!drawed)
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(font ? font : fontSystem)->drawText(this->GetLeft(), this->GetTop()+voffset, text, c, style);
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}
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else if(wrapMode == GuiText::SCROLL) // text scroller
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{
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wchar_t save;
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if(scrollPos2 == 0 || frameCount > scrollDelay+5)
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{
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scrollPos1 = 0;
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scrollOffset = 0;
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for(scrollPos2 = wcslen(text); scrollPos2 > 1; scrollPos2--)
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{
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save = text[scrollPos2]; // save Pos2
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text[scrollPos2] = 0;
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int textWidth = (font ? font : fontSystem)->getWidth(text);
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text[scrollPos2] = save; // restore Pos2
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if(textWidth <= maxWidth)
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break;
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}
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scrollDelay = frameCount+50; // wait 50 Frames before beginning with scrolling
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}
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else if(scrollPos2 > 0 && frameCount >= scrollDelay)
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{
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if(--scrollOffset < 0)
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{
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wchar_t tmp[] = { text[scrollPos1], text[scrollPos1+1], 0 };
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scrollOffset += (font ? font : fontSystem)->getWidth(tmp) - (font ? font : fontSystem)->getWidth(tmp+1);
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scrollPos1++;
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}
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int strlen = wcslen(text);
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for(; scrollPos2 < strlen; scrollPos2++)
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{
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save = text[scrollPos2+1]; // save Pos2
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text[scrollPos2+1] = 0;
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int textWidth = (font ? font : fontSystem)->getWidth(&text[scrollPos1]);
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text[scrollPos2+1] = save; // restore Pos2
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if(textWidth+scrollOffset > maxWidth)
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break;
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}
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if(scrollPos2 == strlen)
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{
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scrollPos2 = -scrollPos2;
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scrollDelay = frameCount+25; // when dir-change wait 25 Frames
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}
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else
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scrollDelay = frameCount+1; // wait 1 Frames
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}
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else if(frameCount >= scrollDelay)
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{
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scrollPos2 = -scrollPos2;
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scrollOffset++;
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wchar_t tmp[] = { text[scrollPos1-1], text[scrollPos1], 0 };
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int tmpOffset = (font ? font : fontSystem)->getWidth(tmp) - (font ? font : fontSystem)->getWidth(tmp+1);
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if(scrollOffset >= tmpOffset)
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{
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scrollOffset -= tmpOffset;
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scrollPos1--;
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}
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for(; scrollPos2 > scrollPos1; scrollPos2--)
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{
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save = text[scrollPos2]; // save Pos2
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text[scrollPos2] = 0;
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int textWidth = (font ? font : fontSystem)->getWidth(&text[scrollPos1]);
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text[scrollPos2] = save; // restore Pos2
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if(textWidth+scrollOffset <= maxWidth)
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break;
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}
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if(scrollPos1 == 0)
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{
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scrollPos2 = -scrollPos2;
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scrollDelay = frameCount+25; // when dir-change wait 25 Frames
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}
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else
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scrollDelay = frameCount+1; // wait 10 Frames
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scrollPos2 = -scrollPos2;
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}
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uint16_t drawStyle = style;
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uint16_t drawX = this->GetLeft() + scrollOffset;
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if((drawStyle & FTGX_JUSTIFY_MASK) == FTGX_JUSTIFY_CENTER)
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{
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drawStyle = (drawStyle & ~FTGX_JUSTIFY_MASK) | FTGX_JUSTIFY_LEFT;
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drawX -= maxWidth >> 1;
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}
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else if((drawStyle & FTGX_JUSTIFY_MASK) == FTGX_JUSTIFY_RIGHT)
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{
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drawStyle = (drawStyle & ~FTGX_JUSTIFY_MASK) | FTGX_JUSTIFY_LEFT;
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drawX -= maxWidth;
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}
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save = text[abs(scrollPos2)]; // save Pos2
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text[abs(scrollPos2)] = 0;
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(font ? font : fontSystem)->drawText(drawX, this->GetTop()+voffset, &text[scrollPos1], c, drawStyle);
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text[abs(scrollPos2)] = save; // restore Pos2
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}
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}
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else
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{
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(font ? font : fontSystem)->drawText(this->GetLeft(), this->GetTop()+voffset, text, c, style);
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}
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this->UpdateEffects();
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}
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