block_t *screen_Capture( demux_t *p_demux )
{
demux_sys_t *p_sys = p_demux->p_sys;
screen_data_t *p_data = ( screen_data_t * )p_sys->p_data;
block_t *p_block;
int i_size;
i_size = p_sys->fmt.video.i_height * p_sys->fmt.video.i_width * 4;
if( !( p_block = block_Alloc( i_size ) ) )
{
msg_Warn( p_demux, "cannot get block" );
return NULL;
}
CGPoint cursor_pos;
CGError cursor_result;
cursor_pos.x = 0;
cursor_pos.y = 0;
cursor_result =
CGSGetCurrentCursorLocation( p_data->connection, &cursor_pos );
cursor_pos.x -= p_data->screen_left;
cursor_pos.y -= p_data->screen_top;
if( p_sys->b_follow_mouse
&& cursor_result == kCGErrorSuccess )
{
FollowMouse( p_sys, cursor_pos.x, cursor_pos.y );
}
screen_CaptureScreen( p_sys );
CGLSetCurrentContext( p_data->clipped );
glClearColor( 0.0f, 0.0f, 0.0f, 1.0f );
glClear( GL_COLOR_BUFFER_BIT );
glDrawPixels( p_data->width,
p_data->height,
GL_RGBA, GL_UNSIGNED_BYTE, p_data->screen_image );
if( cursor_result == kCGErrorSuccess )
{
screen_DrawCursor( p_sys, &cursor_pos );
}
glReadPixels( 0, 0,
p_data->width,
p_data->height,
GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV,
p_block->p_buffer );
return p_block;
}
void GetCursorInfo() {
CGSConnectionRef connection = getConnection();
CGError err = noErr;
int cursorDataSize, depth, components, bitsPerComponent, cursorRowSize;
unsigned char* cursorData;
CGPoint location, hotspot;
CGRect cursorRect;
int i, j;
err = CGSGetCurrentCursorLocation(connection, &location);
printf("location (err %d) = %d, %d\n", err, (int)location.x, (int)location.y);
err = CGSGetGlobalCursorDataSize(connection, &cursorDataSize);
printf("data size (err %d) = %d\n", err, cursorDataSize);
cursorData = (unsigned char*)calloc(cursorDataSize, sizeof(unsigned char));
err = CGSGetGlobalCursorData(connection,
cursorData,
&cursorDataSize,
&cursorRowSize,
&cursorRect,
&hotspot,
&depth,
&components,
&bitsPerComponent);
printf("rect origin (%g, %g), dimensions (%g, %g)\n", cursorRect.origin.x, cursorRect.origin.y, cursorRect.size.width, cursorRect.size.height);
printf("hotspot (%g, %g)\n", hotspot.x, hotspot.y);
printf("depth: %d\n", depth);
printf("components: %d\n", components);
printf("bits per component: %d\n", bitsPerComponent);
printf("Bytes Per Row: %d\n", cursorRowSize);
printf("Components (err %d):\n", err);
// Print Colors
for (j=0; j < components; j++) {
printf("\n");
for (i=0; i < cursorDataSize; i++) {
if (i % cursorRowSize == 0)
printf("\n");
if (i % components == j)
printf("%02x", (int)cursorData[i]);
}
}
printf("released connection (err %d)\n", CGSReleaseConnection(connection));
}
CGPoint currentCursorLoc() {
CGPoint cursorLoc={0.0, 0.0};
CGSConnectionRef connection = getConnection();
if (connection) {
if (CGSGetCurrentCursorLocation(connection, &cursorLoc) != kCGErrorSuccess)
rfbLog("Error obtaining cursor location\n");
}
return cursorLoc;
}
block_t *screen_Capture( demux_t *p_demux )
{
demux_sys_t *p_sys = p_demux->p_sys;
screen_data_t *p_data = ( screen_data_t * )p_sys->p_data;
block_t *p_block;
int i_size;
i_size = p_sys->fmt.video.i_height * p_sys->fmt.video.i_width * 4;
if( !( p_block = block_New( p_demux, i_size ) ) )
{
msg_Warn( p_demux, "cannot get block" );
return NULL;
}
CGPoint cursor_pos;
CGError cursor_result;
cursor_pos.x = 0;
cursor_pos.y = 0;
cursor_result
= CGSGetCurrentCursorLocation( p_data->connection, &cursor_pos );
if( p_sys->b_follow_mouse
&& cursor_result == kCGErrorSuccess )
{
FollowMouse( p_sys, cursor_pos.x, cursor_pos.y );
p_data->left = p_sys->i_left;
p_data->top = p_sys->i_top;
}
CGLSetCurrentContext( p_data->screen );
glReadPixels( p_data->left,
p_data->screen_height - p_data->top - p_data->src_height,
p_data->src_width,
p_data->src_height,
GL_RGBA, GL_UNSIGNED_BYTE,
p_data->texture_image );
CGLSetCurrentContext( p_data->scaled );
glEnable( GL_TEXTURE_2D );
glBindTexture( GL_TEXTURE_2D, p_data->texture );
glTexImage2D( GL_TEXTURE_2D, 0,
GL_RGBA8, p_data->src_width, p_data->src_height, 0,
GL_RGBA, GL_UNSIGNED_BYTE, p_data->texture_image );
glClearColor( 0.0f, 0.0f, 0.0f, 1.0f );
glClear( GL_COLOR_BUFFER_BIT );
glColor3f( 1.0f, 1.0f, 1.0f );
glEnable( GL_TEXTURE_2D );
glBindTexture( GL_TEXTURE_2D, p_data->texture );
glBegin( GL_POLYGON );
glTexCoord2f( 0.0, 1.0 ); glVertex2f( -1.0, -1.0 );
glTexCoord2f( 1.0, 1.0 ); glVertex2f( 1.0, -1.0 );
glTexCoord2f( 1.0, 0.0 ); glVertex2f( 1.0, 1.0 );
glTexCoord2f( 0.0, 0.0 ); glVertex2f( -1.0, 1.0 );
glEnd();
glDisable( GL_TEXTURE_2D );
int size;
int tmp1, tmp2, tmp3, tmp4;
unsigned char *cursor_image;
CGRect cursor_rect;
CGPoint cursor_hot;
if( cursor_result == kCGErrorSuccess
&& CGSGetGlobalCursorDataSize( p_data->connection, &size )
== kCGErrorSuccess )
{
cursor_image = ( unsigned char* )malloc( size );
if( CGSGetGlobalCursorData( p_data->connection,
cursor_image, &size,
&tmp1,
&cursor_rect, &cursor_hot,
&tmp2, &tmp3, &tmp4 )
== kCGErrorSuccess )
{
glEnable( GL_TEXTURE_2D );
glBindTexture( GL_TEXTURE_2D, p_data->cursor_texture );
glTexImage2D( GL_TEXTURE_2D, 0,
GL_RGBA8,
( int )( cursor_rect.size.width ),
( int )( cursor_rect.size.height ), 0,
GL_RGBA, GL_UNSIGNED_BYTE,
( char * )cursor_image );
cursor_rect.origin.x = cursor_pos.x - p_data->left - cursor_hot.x;
cursor_rect.origin.y = cursor_pos.y - p_data->top - cursor_hot.y;
cursor_rect.origin.x
= 2.0 * cursor_rect.origin.x / p_data->src_width - 1.0;
cursor_rect.origin.y
= 2.0 * cursor_rect.origin.y / p_data->src_height - 1.0;
cursor_rect.size.width
= 2.0 * cursor_rect.size.width / p_data->src_width;
cursor_rect.size.height
= 2.0 * cursor_rect.size.height / p_data->src_height;
glColor3f( 1.0f, 1.0f, 1.0f );
glEnable( GL_TEXTURE_2D );
glEnable( GL_BLEND );
glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
glBindTexture( GL_TEXTURE_2D, p_data->cursor_texture );
glBegin( GL_POLYGON );
glTexCoord2f( 0.0, 0.0 ); glVertex2f( cursor_rect.origin.x,
cursor_rect.origin.y );
glTexCoord2f( 1.0, 0.0 ); glVertex2f( cursor_rect.origin.x
+ cursor_rect.size.width,
cursor_rect.origin.y );
glTexCoord2f( 1.0, 1.0 ); glVertex2f( cursor_rect.origin.x
+ cursor_rect.size.width,
cursor_rect.origin.y
+ cursor_rect.size.height );
glTexCoord2f( 0.0, 1.0 ); glVertex2f( cursor_rect.origin.x,
cursor_rect.origin.y
+ cursor_rect.size.height );
glEnd();
glDisable( GL_BLEND );
glDisable( GL_TEXTURE_2D );
}
free( cursor_image );
}
glReadPixels( 0, 0,
p_data->dest_width,
p_data->dest_height,
GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV,
p_block->p_buffer );
return p_block;
}
