ocpCursor::ocpCursor( const char **xpm_data, long type, int hotSpotX, int hotSpotY ) :
wxCursor( wxCURSOR_ARROW )
{
wxImage cImage( xpm_data );
// wxMSW Bug???
// On Windows XP, conversion from wxImage to wxBitmap fails at the ::CreateDIBitmap() call
// unless a "compatible" dc is provided. Why??
// As a workaround, just make a simple wxDC for temporary use
wxBitmap tbmp( cImage.GetWidth(), cImage.GetHeight(), -1 );
wxMemoryDC dwxdc;
dwxdc.SelectObject( tbmp );
// HCURSOR hcursor = wxBitmapToHCURSOR ( wxBitmap ( cImage, ( wxDC & ) dwxdc ),
// hotSpotX, hotSpotY );
HCURSOR hcursor = NULL;
if( !hcursor ) {
wxLogWarning( _T( "Failed to create ocpCursor." ) );
return;
}
// Replace the HANDLE created in the base class constructor
// Probably leaks....
GetGDIImageData()->m_handle = hcursor;
}
ocpCursor::ocpCursor ( const char **xpm_data, long type,
int hotSpotX, int hotSpotY ) : wxCursor ( wxCURSOR_ARROW )
{
wxImage cImage ( xpm_data );
wxBitmap tbmp ( cImage.GetWidth(),cImage.GetHeight(),-1 );
}
void ocpnDC::DrawText( const wxString &text, wxCoord x, wxCoord y )
{
if( dc ) dc->DrawText( text, x, y );
else {
wxCoord w = 0;
wxCoord h = 0;
#ifdef __WXMAC__
wxBitmap tbmp(200, 200);
wxMemoryDC mac_dc(tbmp);
mac_dc.GetTextExtent(text, &w, &h, NULL, NULL, &m_font);
#else
GetTextExtent( text, &w, &h );
#endif
if( w && h ) {
/* create bitmap of appropriate size and select it */
wxBitmap bmp( w, h );
wxMemoryDC temp_dc;
temp_dc.SelectObject( bmp );
/* fill bitmap with black */
temp_dc.SetBackground( wxBrush( wxColour( 0, 0, 0 ) ) );
temp_dc.Clear();
/* draw the text white */
temp_dc.SetFont( m_font );
temp_dc.SetTextForeground( wxColour( 255, 255, 255 ) );
temp_dc.DrawText( text, 0, 0 );
temp_dc.SelectObject( wxNullBitmap );
/* use the data in the bitmap for alpha channel,
and set the color to text foreground */
wxImage image = bmp.ConvertToImage();
unsigned char *data = new unsigned char[image.GetWidth() * image.GetHeight()];
unsigned char *im = image.GetData();
for( int i = 0; i < w * h; i++ )
data[i] = im[3 * i];
glColor4ub( m_textforegroundcolour.Red(), m_textforegroundcolour.Green(),
m_textforegroundcolour.Blue(), 255 );
GLDrawBlendData( x, y, w, h, GL_ALPHA, data );
delete[] data;
}
}
}
ocpCursor::ocpCursor ( const wxString& cursorName, long type,
int hotSpotX, int hotSpotY ) : wxCursor ( wxCURSOR_ARROW )
{
wxImage cImage;
if ( !cImage.CanRead ( cursorName ) )
::wxInitAllImageHandlers();
cImage.LoadFile ( cursorName );
// wxMSW Bug???
// On Windows XP, conversion from wxImage to wxBitmap fails at the ::CreateDIBitmap() call
// unless a "compatible" dc is provided. Why??
// As a workaround, just make a simple wxDC for temporary use
wxBitmap tbmp ( cImage.GetWidth(),cImage.GetHeight(),-1 );
}
wxBitmap *PlugInManager::BuildDimmedToolBitmap(wxBitmap *pbmp_normal, unsigned char dim_ratio)
{
wxImage img_dup = pbmp_normal->ConvertToImage();
if(dim_ratio < 200)
{
// Create a dimmed version of the image/bitmap
int gimg_width = img_dup.GetWidth();
int gimg_height = img_dup.GetHeight();
double factor = (double)(dim_ratio) / 256.0;
for(int iy=0 ; iy < gimg_height ; iy++)
{
for(int ix=0 ; ix < gimg_width ; ix++)
{
if(!img_dup.IsTransparent(ix, iy))
{
wxImage::RGBValue rgb(img_dup.GetRed(ix, iy), img_dup.GetGreen(ix, iy), img_dup.GetBlue(ix, iy));
wxImage::HSVValue hsv = wxImage::RGBtoHSV(rgb);
hsv.value = hsv.value * factor;
wxImage::RGBValue nrgb = wxImage::HSVtoRGB(hsv);
img_dup.SetRGB(ix, iy, nrgb.red, nrgb.green, nrgb.blue);
}
}
}
}
// Make a bitmap
wxBitmap *ptoolBarBitmap;
#ifdef __WXMSW__
wxBitmap tbmp(img_dup.GetWidth(),img_dup.GetHeight(),-1);
wxMemoryDC dwxdc;
dwxdc.SelectObject(tbmp);
ptoolBarBitmap = new wxBitmap(img_dup, (wxDC &)dwxdc);
#else
ptoolBarBitmap = new wxBitmap(img_dup);
#endif
// store it
return ptoolBarBitmap;
}
void TexFont::Build( wxFont &font, bool blur )
{
/* avoid rebuilding if the parameters are the same */
if(font == m_font && blur == m_blur)
return;
m_font = font;
m_blur = blur;
m_maxglyphw = 0;
m_maxglyphh = 0;
wxScreenDC sdc;
sdc.SetFont( font );
for( int i = MIN_GLYPH; i < MAX_GLYPH; i++ ) {
wxCoord gw, gh;
wxString text;
if(i == DEGREE_GLYPH)
text = wxString::Format(_T("%c"), 0x00B0); //_T("°");
else
text = wxString::Format(_T("%c"), i);
wxCoord descent, exlead;
sdc.GetTextExtent( text, &gw, &gh, &descent, &exlead, &font ); // measure the text
tgi[i].width = gw;
tgi[i].height = gh;
tgi[i].advance = gw;
m_maxglyphw = wxMax(tgi[i].width, m_maxglyphw);
m_maxglyphh = wxMax(tgi[i].height, m_maxglyphh);
}
/* add extra pixel to give a border between rows of characters
without this, in some cases a faint line can be see on the edge
from the character above */
m_maxglyphh++;
int w = COLS_GLYPHS * m_maxglyphw;
int h = ROWS_GLYPHS * m_maxglyphh;
wxASSERT(w < 2048 && h < 2048);
/* make power of 2 */
for(tex_w = 1; tex_w < w; tex_w *= 2);
for(tex_h = 1; tex_h < h; tex_h *= 2);
wxBitmap tbmp(tex_w, tex_h);
wxMemoryDC dc;
dc.SelectObject(tbmp);
dc.SetFont( font );
/* fill bitmap with black */
dc.SetBackground( wxBrush( wxColour( 0, 0, 0 ) ) );
dc.Clear();
/* draw the text white */
dc.SetTextForeground( wxColour( 255, 255, 255 ) );
/* wxPen pen(wxColour( 255, 255, 255 ));
wxBrush brush(wxColour( 255, 255, 255 ), wxTRANSPARENT);
dc.SetPen(pen);
dc.SetBrush(brush);
*/
int row = 0, col = 0;
for( int i = MIN_GLYPH; i < MAX_GLYPH; i++ ) {
if(col == COLS_GLYPHS) {
col = 0;
row++;
}
tgi[i].x = col * m_maxglyphw;
tgi[i].y = row * m_maxglyphh;
wxString text;
if(i == DEGREE_GLYPH)
text = wxString::Format(_T("%c"), 0x00B0); //_T("°");
else
text = wxString::Format(_T("%c"), i);
dc.DrawText(text, tgi[i].x, tgi[i].y );
// dc.DrawRectangle(tgi[i].x, tgi[i].y, tgi[i].advance, tgi[i].height);
col++;
}
dc.SelectObject(wxNullBitmap);
wxImage image = tbmp.ConvertToImage();
GLuint format, internalformat;
int stride;
format = GL_ALPHA;
internalformat = format;
stride = 1;
if( m_blur )
image = image.Blur(1);
unsigned char *imgdata = image.GetData();
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 < stride; k++ )
teximage[j * stride + k] = imgdata[3*j];
Delete();
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);
}
m_built = true;
}
void ocpnDC::DrawText( const wxString &text, wxCoord x, wxCoord y )
{
if( dc )
dc->DrawText( text, x, y );
#ifdef ocpnUSE_GL
else {
# ifdef ocpnUSE_GLES
return;
# endif
wxCoord w = 0;
wxCoord h = 0;
#ifdef __WXMAC__
wxBitmap tbmp(200, 200);
wxMemoryDC mac_dc(tbmp);
mac_dc.GetTextExtent(text, &w, &h, NULL, NULL, &m_font);
#else
GetTextExtent( text, &w, &h );
#endif
if( w && h ) {
/* create bitmap of appropriate size and select it */
wxBitmap bmp( w, h );
wxMemoryDC temp_dc;
temp_dc.SelectObject( bmp );
/* fill bitmap with black */
temp_dc.SetBackground( wxBrush( wxColour( 0, 0, 0 ) ) );
temp_dc.Clear();
/* draw the text white */
temp_dc.SetFont( m_font );
temp_dc.SetTextForeground( wxColour( 255, 255, 255 ) );
temp_dc.DrawText( text, 0, 0 );
temp_dc.SelectObject( wxNullBitmap );
/* use the data in the bitmap for alpha channel,
and set the color to text foreground */
wxImage image = bmp.ConvertToImage();
if( x < 0 || y < 0 ) { // Allow Drawing text which is offset to start off screen
int dx = ( x < 0 ? -x : 0 );
int dy = ( y < 0 ? -y : 0 );
w = bmp.GetWidth() - dx;
h = bmp.GetHeight() - dy;
/* picture is out of viewport */
if( w <= 0 || h <= 0 ) return;
image = image.GetSubImage( wxRect( dx, dy, w, h ) );
x += dx;
y += dy;
}
unsigned char *data = new unsigned char[w * h];
unsigned char *im = image.GetData();
if(im){
for( int i = 0; i < w * h; i++ )
data[i] = im[3 * i];
}
glColor4ub( m_textforegroundcolour.Red(), m_textforegroundcolour.Green(),
m_textforegroundcolour.Blue(), 255 );
GLDrawBlendData( x, y, w, h, GL_ALPHA, data );
delete[] data;
}
}
#endif
}
