* x11_display.cpp
*****************************************************************************
* Copyright (C) 2003 VideoLAN
- * $Id: x11_display.cpp,v 1.2 2004/01/25 13:59:33 asmax Exp $
+ * $Id$
*
* Authors: Cyril Deguet <asmax@via.ecp.fr>
* Olivier Teulière <ipkiss@via.ecp.fr>
#ifdef X11_SKINS
+#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/extensions/shape.h>
X11Display::X11Display( intf_thread_t *pIntf ): SkinObject( pIntf ),
- m_gc( NULL )
+ m_mainWindow( 0 ), m_gc( NULL ), m_colormap( 0 )
{
// Open a connection to the X Server
m_pDisplay = XOpenDisplay( NULL );
+
if( m_pDisplay == NULL )
{
MSG_ERR( "Cannot open display" );
switch( depth )
{
+ case 8:
+ xVInfoTemplate.c_class = DirectColor;
+ // Get the DirectColor visual
+ pVInfo = XGetVisualInfo( m_pDisplay, VisualScreenMask |
+ VisualClassMask, &xVInfoTemplate,
+ &vCount );
+ if( pVInfo == NULL )
+ {
+ msg_Err( getIntf(), "no DirectColor visual available" );
+ m_pDisplay = NULL;
+ break;
+ }
+ m_pVisual = pVInfo->visual;
+
+ // Compute the color shifts
+ getShifts( pVInfo->red_mask, m_redLeftShift, m_redRightShift );
+ getShifts( pVInfo->green_mask, m_greenLeftShift,
+ m_greenRightShift );
+ getShifts( pVInfo->blue_mask, m_blueLeftShift, m_blueRightShift );
+
+ // Create a color map
+ m_colormap = XCreateColormap( m_pDisplay,
+ DefaultRootWindow( m_pDisplay ),
+ DefaultVisual( m_pDisplay, screen ), AllocAll );
+
+ // Create the palette
+ XColor pColors[255];
+ for( uint16_t i = 0; i < 255; i++ )
+ {
+ // kludge: colors are indexed reversely because color 255 seems
+ // to bereserved for black even if we try to set it to white
+ pColors[i].pixel = 254-i;
+ pColors[i].pad = 0;
+ pColors[i].flags = DoRed | DoGreen | DoBlue;
+ pColors[i].red = (i >> m_redLeftShift) << (m_redRightShift + 8);
+ pColors[i].green = (i >> m_greenLeftShift) << (m_greenRightShift + 8);
+ pColors[i].blue = (i >> m_blueLeftShift) << (m_blueRightShift + 8);
+ }
+ XStoreColors( m_pDisplay, m_colormap, pColors, 255 );
+ makePixelImpl = &X11Display::makePixel8;
+ m_pixelSize = 1;
+ break;
+
case 16:
case 24:
case 32:
m_greenRightShift );
getShifts( pVInfo->blue_mask, m_blueLeftShift, m_blueRightShift );
+ if( depth == 8 )
+ {
+ makePixelImpl = &X11Display::makePixel8;
+ m_pixelSize = 1;
+ }
+
if( depth == 16 )
{
if( order == MSBFirst )
m_gc = XCreateGC( m_pDisplay, DefaultRootWindow( m_pDisplay ),
GCGraphicsExposures, &xgcvalues );
}
+
+ // Create a parent window to have a single task in the task bar
+ XSetWindowAttributes attr;
+ m_mainWindow = XCreateWindow( m_pDisplay, DefaultRootWindow( m_pDisplay),
+ 0, 0, 1, 1, 0, 0, InputOutput,
+ CopyFromParent, 0, &attr );
+
+ // Changing decorations
+ struct {
+ unsigned long flags;
+ unsigned long functions;
+ unsigned long decorations;
+ long input_mode;
+ unsigned long status;
+ } motifWmHints;
+ Atom hints_atom = XInternAtom( m_pDisplay, "_MOTIF_WM_HINTS", False );
+ motifWmHints.flags = 2; // MWM_HINTS_DECORATIONS;
+ motifWmHints.decorations = 0;
+ XChangeProperty( m_pDisplay, m_mainWindow, hints_atom, hints_atom, 32,
+ PropModeReplace, (unsigned char *)&motifWmHints,
+ sizeof( motifWmHints ) / sizeof( long ) );
+
+ // Change the window title
+ XStoreName( m_pDisplay, m_mainWindow, "VLC Media Player" );
+
+ // Receive map notify events
+ XSelectInput( m_pDisplay, m_mainWindow, StructureNotifyMask );
+
+ // Set an empty mask for the window
+ Region mask = XCreateRegion();
+ XShapeCombineRegion( m_pDisplay, m_mainWindow, ShapeBounding, 0, 0, mask,
+ ShapeSet );
+ // Map the window
+ XMapWindow( m_pDisplay, m_mainWindow);
}
X11Display::~X11Display()
{
+ if( m_mainWindow )
+ {
+ XDestroyWindow( m_pDisplay, m_mainWindow );
+ }
if( m_gc )
{
XFreeGC( m_pDisplay, m_gc );
}
+ if( m_colormap )
+ {
+ XFreeColormap( m_pDisplay, m_colormap );
+ }
if( m_pDisplay )
{
XCloseDisplay( m_pDisplay );
}
+void X11Display::makePixel8( uint8_t *pPixel, uint8_t r, uint8_t g, uint8_t b,
+ uint8_t a ) const
+{
+ // Get the current pixel value
+ uint8_t value = 255 - *pPixel;
+
+ // Compute the new color values
+ uint16_t temp;
+ temp = ((uint8_t)((value >> m_redLeftShift) << m_redRightShift));
+ uint8_t red = ( temp * (255 - a) + r * a ) / 255;
+ temp = ((uint8_t)((value >> m_greenLeftShift) << m_greenRightShift));
+ uint8_t green = ( temp * (255 - a) + g * a ) / 255;
+ temp = ((uint8_t)((value >> m_blueLeftShift) << m_blueRightShift));
+ uint8_t blue = ( temp * (255 - a) + b * a ) / 255;
+
+ // Set the new pixel value
+ value =
+ ( ((uint8_t)red >> m_redRightShift) << m_redLeftShift ) |
+ ( ((uint8_t)green >> m_greenRightShift) << m_greenLeftShift ) |
+ ( ((uint8_t)blue >> m_blueRightShift) << m_blueLeftShift );
+
+ *pPixel = 255 - value;
+}
+
+
void X11Display::makePixel16MSB( uint8_t *pPixel, uint8_t r, uint8_t g,
uint8_t b, uint8_t a ) const
{
}
+unsigned long X11Display::getPixelValue( uint8_t r, uint8_t g, uint8_t b ) const
+{
+ unsigned long value;
+ value = ( ((uint32_t)r >> m_redRightShift) << m_redLeftShift ) |
+ ( ((uint32_t)g >> m_greenRightShift) << m_greenLeftShift ) |
+ ( ((uint32_t)b >> m_blueRightShift) << m_blueLeftShift );
+ if( m_pixelSize == 1 )
+ {
+ return 255 - value;
+ }
+ else
+ {
+ return value;
+ }
+}
+
+
#endif
projects / vlc / blobdiff