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/*
* $Id: marquee.c,v 1.2 2004/12/21 20:26:25 lordjaxom Exp $
*/
#include "marquee.h"
#include "screen.h"
#include <vdr/tools.h>
cText2SkinMarquee::cText2SkinMarquee(const cText2SkinMarquee &Src):
mScreen(Src.mScreen),
mFont(Src.mFont),
mLeft(Src.mLeft),
mTop(Src.mTop),
mWidth(Src.mWidth),
mHeight(Src.mHeight),
mText(Src.mText),
mScrolling(Src.mScrolling),
mOffset(Src.mOffset),
mDirection(Src.mDirection),
mColorFg(Src.mColorFg),
mColorBg(Src.mColorBg),
mNextTime(Src.mNextTime)
{
}
cText2SkinMarquee::cText2SkinMarquee(cText2SkinScreen *Screen, int Left, int Top, int Width,
int Height, const std::string &Text, const cFont *Font,
tColor ColorFg, tColor ColorBg, uint &UpdateIn)
{
Set(Screen, Left, Top, Width, Height, Text, Font, ColorFg, ColorBg, UpdateIn);
}
void cText2SkinMarquee::Set(cText2SkinScreen *Screen, int Left, int Top, int Width, int Height,
const std::string &Text, const cFont *Font, tColor ColorFg,
tColor ColorBg, uint &UpdateIn)
{
mScreen = Screen;
mFont = Font;
mLeft = Left;
mTop = Top;
mWidth = Width;
mHeight = Height;
mText = Text;
mColorFg = ColorFg;
mColorBg = ColorBg;
mOffset = 0;
mDirection = 1;
mNextTime = 0;
mScrolling = mFont->Width(mText.c_str()) > mWidth;
DrawText(UpdateIn);
}
void cText2SkinMarquee::DrawText(uint &UpdateIn)
{
uint now = time_ms();
if (mNextTime == 0)
mNextTime = now + 1500;
else if (now >= mNextTime) {
uint nextin = 250;
if (mDirection > 0) {
if (mFont->Width(mText.c_str() + mOffset) <= mWidth) {
--mDirection;
nextin = 1500;
}
else
++mOffset;
}
else {
if (mOffset <= 0) {
++mDirection;
nextin = 1500;
}
else
--mOffset;
}
mNextTime = now + nextin;
}
if (mScrolling) {
uint updatein = mNextTime - now;
if (UpdateIn == 0 || updatein < UpdateIn)
UpdateIn = updatein;
}
mScreen->DrawText(mLeft, mTop, mText.c_str() + mOffset, mColorFg, mColorBg, mFont, mWidth,
mHeight);
}
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