/*****************************************************************************
* x11_display.cpp
*****************************************************************************
- * Copyright (C) 2003 VideoLAN
- * $Id: x11_display.cpp,v 1.4 2004/01/25 18:46:37 asmax Exp $
+ * Copyright (C) 2003 the VideoLAN team
+ * $Id$
*
* Authors: Cyril Deguet <asmax@via.ecp.fr>
- * Olivier Teulière <ipkiss@via.ecp.fr>
+ * Olivier Teulière <ipkiss@via.ecp.fr>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifdef X11_SKINS
+#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/extensions/shape.h>
#include "x11_display.hpp"
#include "../src/logger.hpp"
+// Macro to compute a pixel value
+#define PUT_PIXEL(value, r, g, b, type) \
+ value = \
+ ( ((type)r >> m_redRightShift) << m_redLeftShift ) | \
+ ( ((type)g >> m_greenRightShift) << m_greenLeftShift ) | \
+ ( ((type)b >> m_blueRightShift) << m_blueLeftShift );
+
+// Macro to blend a pixel with another color
+#define BLEND_PIXEL(value, r, g, b, a, type) \
+ uint16_t temp; \
+ temp = ((uint8_t)((value >> m_redLeftShift) << m_redRightShift)); \
+ uint8_t red = r + ( temp * (255 - a) ) / 255; \
+ temp = ((uint8_t)((value >> m_greenLeftShift) << m_greenRightShift)); \
+ uint8_t green = g + ( temp * (255 - a) ) / 255; \
+ temp = ((uint8_t)((value >> m_blueLeftShift) << m_blueRightShift)); \
+ uint8_t blue = b + ( temp * (255 - a) ) / 255; \
+ PUT_PIXEL(value, red, green, blue, type)
+
X11Display::X11Display( intf_thread_t *pIntf ): SkinObject( pIntf ),
- m_gc( NULL ), m_colormap( 0 )
+ 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" );
int screen = DefaultScreen( m_pDisplay );
int depth = DefaultDepth( m_pDisplay, screen );
int order = ImageByteOrder( m_pDisplay );
+ Window root = DefaultRootWindow( m_pDisplay );
// Template for looking up the XVisualInfo
XVisualInfo xVInfoTemplate;
getShifts( pVInfo->blue_mask, m_blueLeftShift, m_blueRightShift );
// Create a color map
- m_colormap = XCreateColormap( m_pDisplay,
- DefaultRootWindow( m_pDisplay ),
+ m_colormap = XCreateColormap( m_pDisplay, root,
DefaultVisual( m_pDisplay, screen ), AllocAll );
// Create the palette
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);
+ 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;
+ blendPixelImpl = &X11Display::blendPixel8;
+ putPixelImpl = &X11Display::putPixel8;
m_pixelSize = 1;
break;
+ case 15:
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( depth == 15 || depth == 16 )
{
if( order == MSBFirst )
{
- makePixelImpl = &X11Display::makePixel16MSB;
+ blendPixelImpl = &X11Display::blendPixel16MSB;
+ putPixelImpl = &X11Display::putPixel16MSB;
}
else
{
- makePixelImpl = &X11Display::makePixel16LSB;
+ blendPixelImpl = &X11Display::blendPixel16LSB;
+ putPixelImpl = &X11Display::putPixel16LSB;
}
m_pixelSize = 2;
}
{
if( order == MSBFirst )
{
- makePixelImpl = &X11Display::makePixel32MSB;
+ blendPixelImpl = &X11Display::blendPixel32MSB;
+ putPixelImpl = &X11Display::putPixel32MSB;
}
else
{
- makePixelImpl = &X11Display::makePixel32LSB;
+ blendPixelImpl = &X11Display::blendPixel32LSB;
+ putPixelImpl = &X11Display::putPixel32LSB;
}
m_pixelSize = 4;
}
{
XGCValues xgcvalues;
xgcvalues.graphics_exposures = False;
- m_gc = XCreateGC( m_pDisplay, DefaultRootWindow( m_pDisplay ),
- GCGraphicsExposures, &xgcvalues );
+ m_gc = XCreateGC( m_pDisplay, root, GCGraphicsExposures, &xgcvalues );
+
+ // Create a parent window to have a single task in the task bar
+ XSetWindowAttributes attr;
+ m_mainWindow = XCreateWindow( m_pDisplay, root, 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 );
+ XDestroyRegion( mask );
+
+ // Map the window
+ XMapWindow( m_pDisplay, m_mainWindow);
+
+ // Move it outside the screen to avoid seeing it in workspace selector
+ XMoveWindow( m_pDisplay, m_mainWindow, -10, -10 );
}
}
X11Display::~X11Display()
{
+ if( m_mainWindow )
+ {
+ XDestroyWindow( m_pDisplay, m_mainWindow );
+ }
if( m_gc )
{
XFreeGC( m_pDisplay, m_gc );
}
-void X11Display::makePixel8( uint8_t *pPixel, uint8_t r, uint8_t g, uint8_t b,
- uint8_t a ) const
+void X11Display::blendPixel8( 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 );
+ BLEND_PIXEL(value, r, g, b, a, uint8_t)
*pPixel = 255 - value;
}
-void X11Display::makePixel16MSB( uint8_t *pPixel, uint8_t r, uint8_t g,
- uint8_t b, uint8_t a ) const
+void X11Display::blendPixel16MSB( uint8_t *pPixel, uint8_t r, uint8_t g,
+ uint8_t b, uint8_t a ) const
{
- // Get the current pixel value
uint16_t value = pPixel[1] | pPixel[0] << 8;
- // 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 =
- ( ((uint16_t)red >> m_redRightShift) << m_redLeftShift ) |
- ( ((uint16_t)green >> m_greenRightShift) << m_greenLeftShift ) |
- ( ((uint16_t)blue >> m_blueRightShift) << m_blueLeftShift );
+ BLEND_PIXEL(value, r, g, b, a, uint16_t)
- pPixel[1] = value;
- value >>= 8;
+ pPixel[1] = value; value >>= 8;
pPixel[0] = value;
}
-void X11Display::makePixel16LSB( uint8_t *pPixel, uint8_t r, uint8_t g,
- uint8_t b, uint8_t a ) const
+void X11Display::blendPixel16LSB( uint8_t *pPixel, uint8_t r, uint8_t g,
+ uint8_t b, uint8_t a ) const
{
- // Get the current pixel value
uint16_t value = pPixel[0] | pPixel[1] << 8;
- // 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 =
- ( ((uint16_t)red >> m_redRightShift) << m_redLeftShift ) |
- ( ((uint16_t)green >> m_greenRightShift) << m_greenLeftShift ) |
- ( ((uint16_t)blue >> m_blueRightShift) << m_blueLeftShift );
+ BLEND_PIXEL(value, r, g, b, a, uint16_t)
- pPixel[0] = value;
- value >>= 8;
+ pPixel[0] = value; value >>= 8;
pPixel[1] = value;
}
-void X11Display::makePixel32MSB( uint8_t *pPixel, uint8_t r, uint8_t g,
- uint8_t b, uint8_t a ) const
+void X11Display::blendPixel32MSB( uint8_t *pPixel, uint8_t r, uint8_t g,
+ uint8_t b, uint8_t a ) const
{
- // Get the current pixel value
uint32_t value = pPixel[3] | pPixel[2] << 8 | pPixel[1] << 16 |
pPixel[0] << 24;
- // 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 =
- ( ((uint32_t)red >> m_redRightShift) << m_redLeftShift ) |
- ( ((uint32_t)green >> m_greenRightShift) << m_greenLeftShift ) |
- ( ((uint32_t)blue >> m_blueRightShift) << m_blueLeftShift );
+ BLEND_PIXEL(value, r, g, b, a, uint32_t)
- pPixel[3] = value;
- value >>= 8;
- pPixel[2] = value;
- value >>= 8;
- pPixel[1] = value;
- value >>= 8;
+ pPixel[3] = value; value >>= 8;
+ pPixel[2] = value; value >>= 8;
+ pPixel[1] = value; value >>= 8;
pPixel[0] = value;
}
-void X11Display::makePixel32LSB( uint8_t *pPixel, uint8_t r, uint8_t g,
- uint8_t b, uint8_t a ) const
+void X11Display::blendPixel32LSB( uint8_t *pPixel, uint8_t r, uint8_t g,
+ uint8_t b, uint8_t a ) const
{
- // Get the current pixel value
uint32_t value = pPixel[0] | pPixel[1] << 8 | pPixel[2] << 16 |
pPixel[3] << 24;
- // 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 =
- ( ((uint32_t)red >> m_redRightShift) << m_redLeftShift ) |
- ( ((uint32_t)green >> m_greenRightShift) << m_greenLeftShift ) |
- ( ((uint32_t)blue >> m_blueRightShift) << m_blueLeftShift );
+ BLEND_PIXEL(value, r, g, b, a, uint32_t)
+
+ pPixel[0] = value; value >>= 8;
+ pPixel[1] = value; value >>= 8;
+ pPixel[2] = value; value >>= 8;
+ pPixel[3] = value;
+}
+
+
+void X11Display::putPixel8( uint8_t *pPixel, uint8_t r, uint8_t g,
+ uint8_t b, uint8_t a ) const
+{
+ uint8_t value = 255 - *pPixel;
+
+ PUT_PIXEL(value, r, g, b, uint8_t)
+
+ *pPixel = 255 - value;
+}
+
+
+void X11Display::putPixel16MSB( uint8_t *pPixel, uint8_t r, uint8_t g,
+ uint8_t b, uint8_t a ) const
+{
+ uint16_t value = pPixel[1] | pPixel[0] << 8;
+
+ PUT_PIXEL(value, r, g, b, uint16_t)
+ pPixel[1] = value; value >>= 8;
pPixel[0] = value;
- value >>= 8;
+}
+
+
+void X11Display::putPixel16LSB( uint8_t *pPixel, uint8_t r, uint8_t g,
+ uint8_t b, uint8_t a ) const
+{
+ uint16_t value = pPixel[0] | pPixel[1] << 8;
+
+ PUT_PIXEL(value, r, g, b, uint16_t)
+
+ pPixel[0] = value; value >>= 8;
pPixel[1] = value;
- value >>= 8;
- pPixel[2] = value;
- value >>= 8;
+}
+
+
+void X11Display::putPixel32MSB( uint8_t *pPixel, uint8_t r, uint8_t g,
+ uint8_t b, uint8_t a ) const
+{
+ uint32_t value = pPixel[3] | pPixel[2] << 8 | pPixel[1] << 16 |
+ pPixel[0] << 24;
+
+ PUT_PIXEL(value, r, g, b, uint32_t)
+
+ pPixel[3] = value; value >>= 8;
+ pPixel[2] = value; value >>= 8;
+ pPixel[1] = value; value >>= 8;
+ pPixel[0] = value;
+}
+
+
+void X11Display::putPixel32LSB( uint8_t *pPixel, uint8_t r, uint8_t g,
+ uint8_t b, uint8_t a ) const
+{
+ uint32_t value = pPixel[0] | pPixel[1] << 8 | pPixel[2] << 16 |
+ pPixel[3] << 24;
+
+ PUT_PIXEL(value, r, g, b, uint32_t)
+
+ pPixel[0] = value; value >>= 8;
+ pPixel[1] = value; value >>= 8;
+ pPixel[2] = value; value >>= 8;
pPixel[3] = value;
}
-unsigned long X11Display::getPixelValue( uint8_t r, uint8_t g, uint8_t b ) 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 );
+
+ PUT_PIXEL(value, r, g, b, uint32_t)
+
if( m_pixelSize == 1 )
{
return 255 - value;