wxBitmap ocpnFloatingCompassWindow::CreateBmp()
{
wxString gpsIconName;
ocpnStyle::Style* style = g_StyleManager->GetCurrentStyle();
// In order to draw a horizontal compass window when the toolbar is vertical, we
// need to save away the sizes and backgrounds for the two icons.
static wxBitmap compassBg, gpsBg;
static wxSize toolsize;
static int topmargin, leftmargin, radius;
if( ! compassBg.IsOk() ) {
int orient = style->GetOrientation();
style->SetOrientation( wxTB_HORIZONTAL );
if( style->HasBackground() ) {
compassBg = style->GetNormalBG();
style->DrawToolbarLineStart( compassBg );
gpsBg = style->GetNormalBG();
style->DrawToolbarLineEnd( gpsBg );
}
leftmargin = style->GetLeftMargin();
topmargin = style->GetTopMargin();
toolsize = style->GetToolSize();
toolsize.x *= 2;
radius = style->GetToolbarCornerRadius();
if( orient ) style->SetOrientation( wxTB_VERTICAL );
}
bool b_need_refresh = false;
if( bGPSValid ) {
if( g_bSatValid ) {
gpsIconName = _T("gps3Bar");
if( g_SatsInView <= 8 ) gpsIconName = _T("gps2Bar");
if( g_SatsInView <= 4 ) gpsIconName = _T("gps1Bar");
if( g_SatsInView < 0 ) gpsIconName = _T("gpsGry");
} else
gpsIconName = _T("gpsGrn");
} else
gpsIconName = _T("gpsRed");
if( m_lastgpsIconName != gpsIconName ) b_need_refresh = true;
double rose_angle = -999.;
if( ( fabs( cc1->GetVPRotation() ) > .01 ) || ( fabs( cc1->GetVPSkew() ) > .01 ) ) {
rose_angle = -cc1->GetVPRotation();
if( !g_bCourseUp && !g_bskew_comp ) rose_angle = -cc1->GetVPRotation() - cc1->GetVPSkew();
b_need_refresh = true;
} else
rose_angle = 0.;
if( fabs( m_rose_angle - rose_angle ) > .001 ) b_need_refresh = true;
if( b_need_refresh ) {
wxBitmap StatBmp;
StatBmp.Create(
( _img_compass.GetWidth() + _img_gpsRed.GetWidth() ) + style->GetLeftMargin() * 2
+ style->GetToolSeparation(),
_img_compass.GetHeight() + style->GetTopMargin() + style->GetBottomMargin() );
if( StatBmp.IsOk() ) {
wxMemoryDC mdc;
mdc.SelectObject( StatBmp );
mdc.SetBackground( wxBrush( GetGlobalColor( _T("GREY2") ), wxSOLID ) );
mdc.Clear();
mdc.SetPen( wxPen( GetGlobalColor( _T("UITX1") ), 1 ) );
mdc.SetBrush( wxBrush( GetGlobalColor( _T("UITX1") ), wxTRANSPARENT ) );
mdc.DrawRoundedRectangle( 0, 0, StatBmp.GetWidth(), StatBmp.GetHeight(),
style->GetToolbarCornerRadius() );
wxPoint offset( style->GetLeftMargin(), style->GetTopMargin() );
// Build Compass Rose, rotated...
wxBitmap BMPRose;
wxPoint after_rotate;
if( g_bCourseUp ) BMPRose = style->GetIcon( _T("CompassRose") );
else
BMPRose = style->GetIcon( _T("CompassRoseBlue") );
if( ( fabs( cc1->GetVPRotation() ) > .01 ) || ( fabs( cc1->GetVPSkew() ) > .01 ) ) {
wxPoint rot_ctr( BMPRose.GetWidth() / 2, BMPRose.GetHeight() / 2 );
wxImage rose_img = BMPRose.ConvertToImage();
wxImage rot_image = rose_img.Rotate( rose_angle, rot_ctr, true, &after_rotate );
BMPRose = wxBitmap( rot_image ).GetSubBitmap( wxRect( -after_rotate.x, -after_rotate.y, BMPRose.GetWidth(), BMPRose.GetHeight()) );
}
wxBitmap iconBm;
if( style->HasBackground() ) {
iconBm = MergeBitmaps( compassBg, BMPRose, wxSize( 0, 0 ) );
} else {
iconBm = BMPRose;
}
mdc.DrawBitmap( iconBm, offset );
offset.x += iconBm.GetWidth();
m_rose_angle = rose_angle;
if( style->HasBackground() ) {
iconBm = MergeBitmaps( gpsBg, style->GetIcon( gpsIconName ), wxSize( 0, 0 ) );
} else {
iconBm = style->GetIcon( gpsIconName );
}
mdc.DrawBitmap( iconBm, offset );
mdc.SelectObject( wxNullBitmap );
m_lastgpsIconName = gpsIconName;
}
if( style->marginsInvisible ) {
m_MaskBmp = wxBitmap( StatBmp.GetWidth(), StatBmp.GetHeight() );
wxMemoryDC sdc( m_MaskBmp );
sdc.SetBackground( *wxWHITE_BRUSH );
sdc.Clear();
sdc.SetBrush( *wxBLACK_BRUSH );
sdc.SetPen( *wxBLACK_PEN );
sdc.DrawRoundedRectangle( wxPoint( leftmargin, topmargin ), toolsize, radius );
sdc.SelectObject( wxNullBitmap );
SetShape( wxRegion( m_MaskBmp, *wxWHITE, 0 ) );
}
return StatBmp;
}
else
return wxNullBitmap;
}
void ocpnCompass::CreateBmp( bool newColorScheme )
{
if(!m_shown)
return;
wxString gpsIconName;
ocpnStyle::Style* style = g_StyleManager->GetCurrentStyle();
// In order to draw a horizontal compass window when the toolbar is vertical, we
// need to save away the sizes and backgrounds for the two icons.
static wxBitmap compassBg, gpsBg;
static wxSize toolsize;
static int topmargin, leftmargin, radius;
if( ! compassBg.IsOk() || newColorScheme ) {
int orient = style->GetOrientation();
style->SetOrientation( wxTB_HORIZONTAL );
if( style->HasBackground() ) {
compassBg = style->GetNormalBG();
style->DrawToolbarLineStart( compassBg );
compassBg = style->SetBitmapBrightness( compassBg );
gpsBg = style->GetNormalBG();
style->DrawToolbarLineEnd( gpsBg );
gpsBg = style->SetBitmapBrightness( gpsBg );
}
if(fabs(m_scale-1.0) > 0.1){
wxImage bg_img = compassBg.ConvertToImage();
bg_img.Rescale(compassBg.GetWidth() * m_scale, compassBg.GetHeight() *m_scale, wxIMAGE_QUALITY_NORMAL);
compassBg = wxBitmap( bg_img );
bg_img = gpsBg.ConvertToImage();
bg_img.Rescale(gpsBg.GetWidth() * m_scale, gpsBg.GetHeight() *m_scale, wxIMAGE_QUALITY_NORMAL);
gpsBg = wxBitmap( bg_img );
}
leftmargin = style->GetCompassLeftMargin();
topmargin = style->GetCompassTopMargin();
radius = style->GetCompassCornerRadius();
if( orient ) style->SetOrientation( wxTB_VERTICAL );
}
bool b_need_refresh = false;
if( bGPSValid ) {
if( g_bSatValid ) {
gpsIconName = _T("gps3Bar");
if( g_SatsInView <= 8 ) gpsIconName = _T("gps2Bar");
if( g_SatsInView <= 4 ) gpsIconName = _T("gps1Bar");
if( g_SatsInView < 0 ) gpsIconName = _T("gpsGry");
} else
gpsIconName = _T("gpsGrn");
} else
gpsIconName = _T("gpsRed");
if( m_lastgpsIconName != gpsIconName ) b_need_refresh = true;
double rose_angle = -999.;
if( ( fabs( cc1->GetVPRotation() ) > .01 ) || ( fabs( cc1->GetVPSkew() ) > .01 ) ) {
rose_angle = -cc1->GetVPRotation();
} else
rose_angle = 0.;
if( fabs( m_rose_angle - rose_angle ) > .1 ) b_need_refresh = true;
if( !b_need_refresh )
return;
int width = compassBg.GetWidth() + gpsBg.GetWidth() + leftmargin;
if( !style->marginsInvisible )
width += leftmargin + style->GetToolSeparation();
m_StatBmp.Create( width, compassBg.GetHeight() + topmargin + style->GetCompassBottomMargin() );
m_rect.width = m_StatBmp.GetWidth();
m_rect.height = m_StatBmp.GetHeight();
if( !m_StatBmp.IsOk() )
return;
m_MaskBmp = wxBitmap( m_StatBmp.GetWidth(), m_StatBmp.GetHeight() );
if( style->marginsInvisible ) {
wxMemoryDC sdc( m_MaskBmp );
sdc.SetBackground( *wxWHITE_BRUSH );
sdc.Clear();
sdc.SetBrush( *wxBLACK_BRUSH );
sdc.SetPen( *wxBLACK_PEN );
wxSize maskSize = wxSize(m_MaskBmp.GetWidth() - leftmargin,
m_MaskBmp.GetHeight() - (2 * topmargin));
sdc.DrawRoundedRectangle( wxPoint( leftmargin, topmargin ), maskSize, radius );
sdc.SelectObject( wxNullBitmap );
} else if(radius) {
wxMemoryDC sdc( m_MaskBmp );
sdc.SetBackground( *wxWHITE_BRUSH );
sdc.Clear();
sdc.SetBrush( *wxBLACK_BRUSH );
sdc.SetPen( *wxBLACK_PEN );
sdc.DrawRoundedRectangle( 0, 0, m_MaskBmp.GetWidth(), m_MaskBmp.GetHeight(), radius );
sdc.SelectObject( wxNullBitmap );
}
m_StatBmp.SetMask(new wxMask(m_MaskBmp, *wxWHITE));
wxMemoryDC mdc;
mdc.SelectObject( m_StatBmp );
mdc.SetBackground( wxBrush( GetGlobalColor( _T("COMP1") ), wxSOLID ) );
mdc.Clear();
mdc.SetPen( wxPen( GetGlobalColor( _T("UITX1") ), 1 ) );
mdc.SetBrush( wxBrush( GetGlobalColor( _T("UITX1") ), wxTRANSPARENT ) );
if( !style->marginsInvisible )
mdc.DrawRoundedRectangle( 0, 0, m_StatBmp.GetWidth(), m_StatBmp.GetHeight(),radius );
wxPoint offset(leftmargin, topmargin);
// Build Compass Rose, rotated...
wxBitmap BMPRose;
wxPoint after_rotate;
int cwidth = style->GetToolSize().x * m_scale;
int cheight = style->GetToolSize().y * m_scale;
cheight = wxMin(cheight, compassBg.GetHeight());
cwidth = wxMin( cwidth, cheight );
cheight = cwidth;
if( g_bCourseUp )
BMPRose = style->GetIcon( _T("CompassRose"), cwidth, cheight );
else
BMPRose = style->GetIcon( _T("CompassRoseBlue"), cwidth, cheight );
if( ( fabs( cc1->GetVPRotation() ) > .01 ) || ( fabs( cc1->GetVPSkew() ) > .01 ) ) {
wxImage rose_img = BMPRose.ConvertToImage();
wxPoint rot_ctr( cwidth / 2, cheight / 2 );
wxImage rot_image = rose_img.Rotate( rose_angle, rot_ctr, true, &after_rotate );
BMPRose = wxBitmap( rot_image ).GetSubBitmap( wxRect( -after_rotate.x, -after_rotate.y, cwidth, cheight ));
}
wxBitmap iconBm;
if( style->HasBackground() ) {
iconBm = MergeBitmaps( compassBg, BMPRose, wxSize( 0, 0 ) );
} else {
iconBm = BMPRose;
}
iconBm = ConvertTo24Bit( wxColor(0,0,0), iconBm);
mdc.DrawBitmap( iconBm, offset );
offset.x += iconBm.GetWidth();
offset.x += style->GetToolSeparation();
m_rose_angle = rose_angle;
// GPS Icon
int twidth = style->GetToolSize().x * m_scale;
int theight = style->GetToolSize().y * m_scale;
theight = wxMin(cheight, compassBg.GetHeight());
int swidth = wxMax( twidth, theight );
int sheight = wxMin( twidth, theight );
// Sometimes, the SVG renderer gets the size wrong due to some internal rounding error.
// If so found, it seems to work OK by just reducing the requested size by one pixel....
wxBitmap gicon = style->GetIcon( gpsIconName, swidth, sheight );
if( gicon.GetHeight() != sheight )
gicon = style->GetIcon( gpsIconName, swidth-1, sheight-1, true );
if( style->HasBackground() ) {
iconBm = MergeBitmaps( gpsBg, gicon, wxSize( 0, 0 ) );
} else {
iconBm = gicon;
}
iconBm = ConvertTo24Bit( wxColor(0,0,0), iconBm);
mdc.DrawBitmap( iconBm, offset );
mdc.SelectObject( wxNullBitmap );
m_lastgpsIconName = gpsIconName;
#if defined(ocpnUSE_GLES) // GLES does not do ocpnDC::DrawBitmap(), so use texture
if(g_bopengl){
wxImage image = m_StatBmp.ConvertToImage();
unsigned char *imgdata = image.GetData();
unsigned char *imgalpha = image.GetAlpha();
int tex_w = image.GetWidth();
int tex_h = image.GetHeight();
GLuint format = GL_RGBA;
GLuint internalformat = format;
int stride = 4;
if(imgdata){
unsigned char *teximage = (unsigned char *) malloc( stride * tex_w * tex_h );
for( int j = 0; j < tex_w*tex_h; j++ ){
for( int k = 0; k < 3; k++ )
teximage[j * stride + k] = imgdata[3*j + k];
teximage[j * stride + 3] = imgalpha ? imgalpha[j] : 255; // alpha
}
if(texobj){
glDeleteTextures(1, &texobj);
texobj = 0;
}
glGenTextures( 1, &texobj );
glBindTexture( GL_TEXTURE_2D, texobj );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST/*GL_LINEAR*/ );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
glTexImage2D( GL_TEXTURE_2D, 0, internalformat, tex_w, tex_h, 0,
format, GL_UNSIGNED_BYTE, teximage );
free(teximage);
}
}
#endif
}
