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Code Issues Releases Wiki Activity

Added cOsd::MaxPixmapSize()

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This commit is contained in:
Klaus Schmidinger 2015-03-08 16:40:01 +01:00
parent a429eefbe7
commit 735fb20ac6
6 changed files with 39 additions and 14 deletions
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8
HISTORY
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@ -8595,3 +8595,11 @@ Video Disk Recorder Revision History
- Fixed leading/trailing/multiple blanks in the translation files.
- Bumped all version numbers to 2.2.0.
- Official release.
2015-03-08: Version 2.3.1
- The new function cOsd::MaxPixmapSize() can be called to determine the maximum size
a cPixmap may have on the current OSD. The 'osddemo' example has been modified
accordingly. Plugin authors may want to use this function in case they use pixmaps
that are larger than the full OSD size. The default implementation sets this limit
to 2048x2048 pixel.

4
PLUGINS/src/osddemo/HISTORY
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@ -72,3 +72,7 @@ VDR Plugin 'osddemo' Revision History
2015-02-19: Version 2.2.0
- Official release.
2015-03-08: Version 2.3.1
- Now using cOsd::MaxPixmapSize().

18
PLUGINS/src/osddemo/osddemo.c
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@ -3,13 +3,13 @@
*
* See the README file for copyright information and how to reach the author.
*
* $Id: osddemo.c 3.4 2015/02/17 13:12:36 kls Exp $
* $Id: osddemo.c 4.1 2015/03/08 16:40:01 kls Exp $
*/
#include <vdr/osd.h>
#include <vdr/plugin.h>
static const char *VERSION = "2.2.0";
static const char *VERSION = "2.3.1";
static const char *DESCRIPTION = "Demo of arbitrary OSD setup";
static const char *MAINMENUENTRY = "Osd Demo";
@ -427,16 +427,20 @@ void cTrueColorDemo::Action(void)
const int Size = SmlFont->Width(Text) + 10;
const int NumDots = 12;
const int AnimFrames = NumDots;
int Rows = min(osd->MaxPixmapSize().Height() / Size, AnimFrames);
int Cols = (AnimFrames + Rows - 1) / Rows;
// 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));
AnimPixmap = osd->CreatePixmap(0, cRect((osd->Width() - Size) / 2, StartLine, Size, Size), cRect(0, 0, Size * Cols, Size * Rows));
if (AnimPixmap) {
AnimPixmap->SetAlpha(0);
AnimPixmap->Clear();
const int Diameter = Size / 5;
int xc = Size / 2 - Diameter / 2;
for (int Frame = 0; Frame < AnimFrames; Frame++) {
AnimPixmap->DrawEllipse(cRect(0, Frame * Size, Size, Size), 0xDDFFFFFF);
int yc = Frame * Size + Size / 2 - Diameter / 2;
int x0 = Frame / Rows * Size;
int y0 = Frame % Rows * Size;
AnimPixmap->DrawEllipse(cRect(x0, y0, Size, Size), 0xDDFFFFFF);
int xc = x0 + Size / 2 - Diameter / 2;
int yc = y0 + Size / 2 - Diameter / 2;
int Color = 0xFF;
int Delta = Color / NumDots / 3;
for (int a = 0; a < NumDots; a++) {
@ -446,7 +450,7 @@ void cTrueColorDemo::Action(void)
AnimPixmap->DrawEllipse(cRect(x, y, Diameter, Diameter), ArgbToColor(0xFF, Color, Color, Color));
Color -= Delta;
}
AnimPixmap->DrawText(cPoint(0, Frame * Size), Text, clrBlack, clrTransparent, SmlFont, Size, Size, taCenter);
AnimPixmap->DrawText(cPoint(x0, y0), Text, clrBlack, clrTransparent, SmlFont, Size, Size, taCenter);
}
AnimPixmap->SetLayer(3); // now setting the actual pixmap layer
FadeInPixmap = AnimPixmap;

10
config.h
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@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: config.h 3.21 2015/02/17 13:11:00 kls Exp $
* $Id: config.h 4.1 2015/02/21 14:59:27 kls Exp $
*/
#ifndef __CONFIG_H
@ -22,13 +22,13 @@
// VDR's own version number:
#define VDRVERSION "2.2.0"
#define VDRVERSNUM 20200 // Version * 10000 + Major * 100 + Minor
#define VDRVERSION "2.3.1"
#define VDRVERSNUM 20301 // Version * 10000 + Major * 100 + Minor
// The plugin API's version number:
#define APIVERSION "2.2.0"
#define APIVERSNUM 20200 // Version * 10000 + Major * 100 + Minor
#define APIVERSION "2.3.1"
#define APIVERSNUM 20301 // Version * 10000 + Major * 100 + Minor
// When loading plugins, VDR searches them by their APIVERSION, which
// may be smaller than VDRVERSION in case there have been no changes to

8
osd.c
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@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: osd.c 3.5 2015/02/11 09:48:02 kls Exp $
* $Id: osd.c 4.1 2015/03/08 13:54:47 kls Exp $
*/
#include "osd.h"
@ -1641,6 +1641,7 @@ int cOsd::osdLeft = 0;
int cOsd::osdTop = 0;
int cOsd::osdWidth = 0;
int cOsd::osdHeight = 0;
cSize cOsd::maxPixmapSize(2048, 2048);
cVector<cOsd *> cOsd::Osds;
cMutex cOsd::mutex;
@ -1705,6 +1706,11 @@ cBitmap *cOsd::GetBitmap(int Area)
return Area < numBitmaps ? (isTrueColor ? bitmaps[0] : bitmaps[Area]) : NULL;
}
const cSize &cOsd::MaxPixmapSize(void) const
{
return maxPixmapSize;
}
cPixmap *cOsd::CreatePixmap(int Layer, const cRect &ViewPort, const cRect &DrawPort)
{
if (isTrueColor) {

5
osd.h
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@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: osd.h 3.6 2015/02/11 09:48:02 kls Exp $
* $Id: osd.h 4.1 2015/03/08 13:54:09 kls Exp $
*/
#ifndef __OSD_H
@ -722,6 +722,7 @@ class cOsd {
private:
static int osdLeft, osdTop, osdWidth, osdHeight;
static cVector<cOsd *> Osds;
static cSize maxPixmapSize;
static cMutex mutex;
bool isTrueColor;
cBitmap *savedBitmap;
@ -820,6 +821,8 @@ public:
///< in order to preset the bitmap's palette won't crash.
///< Use of this function outside of derived classes is deprecated and it
///< may be made 'protected' in a future version.
virtual const cSize &MaxPixmapSize(void) const;
///< Returns the maximum possible size of a pixmap this OSD can create.
virtual cPixmap *CreatePixmap(int Layer, const cRect &ViewPort, const cRect &DrawPort = cRect::Null);
///< Creates a new true color pixmap on this OSD (see cPixmap for details).
///< The caller must not delete the returned object, it will be deleted when