Initial revision

1 files changed, 92 insertions, 0 deletions

diff --git a/marquee.c b/marquee.c
new file mode 100644
index 0000000..0397718
--- /dev/null
+++ b/marquee.c
@@ -0,0 +1,92 @@
+/*
+ *  $Id: marquee.c,v 1.1 2004/12/19 22:03:14 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, int &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, int &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(int &mUpdateIn)
+{
+	uint now = time_ms();
+	if (!mScrolling || (mNextTime > 0 && now < mNextTime)) {
+		mScreen->DrawText(mLeft, mTop, mText.c_str() + mOffset, mColorFg, mColorBg, mFont, mWidth, 
+						  mHeight);
+		if (mScrolling) {
+			uint updatein = mNextTime - now;
+			if (mUpdateIn == 0 || (uint)mUpdateIn > updatein)
+				mUpdateIn = updatein;
+		}
+		return;
+	}
+	
+	int nextupdate = 250;
+	if (mDirection > 0) {
+		if (mFont->Width(mText.c_str() + mOffset) <= mWidth) {
+			--mDirection;
+			nextupdate = 1500;
+		}
+		else
+			++mOffset;
+	}
+	else {
+		if (mOffset <= 0) {
+			++mDirection;
+			nextupdate = 1500;
+		}
+		else
+			--mOffset;
+	}
+
+	mNextTime = now + nextupdate;
+		
+	mScreen->DrawText(mLeft, mTop, mText.c_str() + mOffset, mColorFg, mColorBg, mFont, mWidth, 
+	                  mHeight);
+
+	if (mUpdateIn == 0 || mUpdateIn > nextupdate)
+		mUpdateIn = nextupdate;
+}