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Improved and cleaned up transparent text drawing

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This commit is contained in:
Klaus Schmidinger
2011-02-26 12:13:59 +01:00
parent d1ab9dbc5f
commit 0b8356aa92
4 changed files with 31 additions and 33 deletions
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8
PLUGINS/src/osddemo/osddemo.c
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@@ -3,7 +3,7 @@
*
* See the README file for copyright information and how to reach the author.
*
* $Id: osddemo.c 2.2 2011/02/20 15:06:18 kls Exp $
* $Id: osddemo.c 2.3 2011/02/26 12:08:13 kls Exp $
*/
#include <vdr/osd.h>
@@ -338,7 +338,8 @@ void cTrueColorDemo::Action(void)
const int Size = Font->Width(Text) + 10;
const int NumDots = 12;
const int AnimFrames = NumDots;
AnimPixmap = osd->CreatePixmap(3, cRect((osd->Width() - Size) / 2, StartLine, Size, Size), cRect(0, 0, Size, Size * AnimFrames));
// Temporarily using pixmap layer 0 to have the text alpha blended:
AnimPixmap = osd->CreatePixmap(0, cRect((osd->Width() - Size) / 2, StartLine, Size, Size), cRect(0, 0, Size, Size * AnimFrames));
if (AnimPixmap) {
AnimPixmap->SetAlpha(0);
AnimPixmap->Clear();
@@ -356,8 +357,9 @@ void cTrueColorDemo::Action(void)
AnimPixmap->DrawEllipse(cRect(x, y, Diameter, Diameter), ArgbToColor(0xFF, Color, Color, Color));
Color -= Delta;
}
AnimPixmap->DrawText(cPoint(0, Frame * Size), "Animation", clrBlack, clrTransparent, cFont::GetFont(fontSml), Size, Size, taCenter);
AnimPixmap->DrawText(cPoint(0, Frame * Size), Text, clrBlack, clrTransparent, cFont::GetFont(fontSml), Size, Size, taCenter);
}
AnimPixmap->SetLayer(3); // now setting the actual pixmap layer
FadeInPixmap = AnimPixmap;
LOCK_THREAD;
OldCursor = cursor = AnimPixmap->ViewPort().Point();