wxBitmap BlendBitmaps(const wxBitmap& background, const wxBitmap& overlay, const int /*dim*/)
{
wxImage back = background.ConvertToImage();
wxImage front = overlay.ConvertToImage();
wxImage ret = BlendImage(front, back);
return wxBitmap(ret);
}
wxBitmap ConvertTo24Bit( wxColor bgColor, wxBitmap front ) {
if( front.GetDepth() == 24 ) return front;
wxBitmap result( front.GetWidth(), front.GetHeight(), 24 );
front.UseAlpha();
wxImage im_front = front.ConvertToImage();
wxImage im_result = result.ConvertToImage();
unsigned char *presult = im_result.GetData();
unsigned char *pfront = im_front.GetData();
unsigned char *afront = NULL;
if( im_front.HasAlpha() )
afront = im_front.GetAlpha();
for( int i = 0; i < result.GetWidth(); i++ ) {
for( int j = 0; j < result.GetHeight(); j++ ) {
double alphaF = (double) ( *afront++ ) / 256.0;
unsigned char r = *pfront++ * alphaF + bgColor.Red() * ( 1.0 - alphaF );
*presult++ = r;
unsigned char g = *pfront++ * alphaF + bgColor.Green() * ( 1.0 - alphaF );
*presult++ = g;
unsigned char b = *pfront++ * alphaF + bgColor.Blue() * ( 1.0 - alphaF );
*presult++ = b;
}
}
result = wxBitmap( im_result );
return result;
}
wxImage ReplaceChannelStatusColour( wxBitmap img, const wxColour& colour )
{
wxImage ret = img.ConvertToImage();
wxImage::HSVValue origcolour = wxImage::RGBtoHSV( wxImage::RGBValue( colour.Red(), colour.Green(), colour.Blue() ) );
double bright = origcolour.value - 0.1*origcolour.value;
bright = LSL::Util::Clamp( bright, 0.0, 1.0 );
wxImage::HSVValue hsvdarker1( origcolour.hue, origcolour.saturation, bright );
bright = origcolour.value - 0.5*origcolour.value;
bright = LSL::Util::Clamp( bright, 0.0, 1.0 );
wxImage::HSVValue hsvdarker2( origcolour.hue, origcolour.saturation, bright );
wxImage::RGBValue rgbdarker1 = wxImage::HSVtoRGB( hsvdarker1 );
wxImage::RGBValue rgbdarker2 = wxImage::HSVtoRGB( hsvdarker2 );
ret.Replace( 164, 147, 0, rgbdarker2.red, rgbdarker2.green, rgbdarker2.blue );
ret.Replace( 255, 228, 0, rgbdarker1.red, rgbdarker1.green, rgbdarker1.blue );
ret.Replace( 255, 253, 234, colour.Red(), colour.Green(), colour.Blue() );
return ret;
}
wxBitmap wxCustomButton::CreateBitmapDisabled(const wxBitmap &bitmap) const
{
wxCHECK_MSG(bitmap.Ok(), wxNullBitmap, wxT("invalid bitmap"));
unsigned char br = GetBackgroundColour().Red();
unsigned char bg = GetBackgroundColour().Green();
unsigned char bb = GetBackgroundColour().Blue();
wxImage image = bitmap.ConvertToImage();
int pos, width = image.GetWidth(), height = image.GetHeight();
unsigned char *img_data = image.GetData();
for (int j=0; j<height; j++)
{
for (int i=j%2; i<width; i+=2)
{
pos = (j*width+i)*3;
img_data[pos ] = br;
img_data[pos+1] = bg;
img_data[pos+2] = bb;
}
}
return wxBitmap(image);
}
// Adds a bitmap, using the specified colour to create the mask bitmap
// Note that wxImageList creates new bitmaps, so you may delete
// 'bitmap'.
int wxImageList::Add(const wxBitmap& bitmap, const wxColour& maskColour)
{
HBITMAP hbmp;
#if wxUSE_WXDIB && wxUSE_IMAGE
// See the comment in overloaded Add() above.
AutoHBITMAP hbmpRelease;
if ( bitmap.HasAlpha() )
{
hbmp = wxDIB(bitmap.ConvertToImage(),
wxDIB::PixelFormat_NotPreMultiplied).Detach();
hbmpRelease.Init(hbmp);
}
else
#endif // wxUSE_WXDIB && wxUSE_IMAGE
hbmp = GetHbitmapOf(bitmap);
int index = ImageList_AddMasked(GetHImageList(),
hbmp,
wxColourToRGB(maskColour));
if ( index == -1 )
{
wxLogError(_("Couldn't add an image to the image list."));
}
return index;
}
// Adds a bitmap, and optionally a mask bitmap.
// Note that wxImageList creates new bitmaps, so you may delete
// 'bitmap' and 'mask'.
int wxImageList::Add(const wxBitmap& bitmap, const wxBitmap& mask)
{
HBITMAP hbmp;
#if wxUSE_WXDIB && wxUSE_IMAGE
// wxBitmap normally stores alpha in pre-multiplied format but
// ImageList_Draw() does pre-multiplication internally so we need to undo
// the pre-multiplication here. Converting back and forth like this is, of
// course, very inefficient but it's better than wrong appearance so we do
// this for now until a better way can be found.
AutoHBITMAP hbmpRelease;
if ( bitmap.HasAlpha() )
{
hbmp = wxDIB(bitmap.ConvertToImage(),
wxDIB::PixelFormat_NotPreMultiplied).Detach();
hbmpRelease.Init(hbmp);
}
else
#endif // wxUSE_WXDIB && wxUSE_IMAGE
hbmp = GetHbitmapOf(bitmap);
// Use mask only if we don't have alpha, the bitmap isn't drawn correctly
// if we use both.
AutoHBITMAP hbmpMask;
if ( !bitmap.HasAlpha() )
hbmpMask.Init(GetMaskForImage(bitmap, mask));
int index = ImageList_Add(GetHImageList(), hbmp, hbmpMask);
if ( index == -1 )
{
wxLogError(_("Couldn't add an image to the image list."));
}
return index;
}
int wxImageList::Add( const wxBitmap& bitmap, const wxColour& maskColour )
{
wxImage img = bitmap.ConvertToImage();
img.SetMaskColour( maskColour.Red(), maskColour.Green(), maskColour.Blue() );
return Add( wxBitmap( img ) );
}
static void OverlaySymlink(wxBitmap& bmp)
{
// This is ugly, but apparently needed so that the data is _really_ in the right internal format
bmp = bmp.ConvertToImage();
wxBitmap symlink = wxArtProvider::GetBitmap(_T("ART_SYMLINK"), wxART_OTHER, wxSize(bmp.GetWidth(), bmp.GetHeight())).ConvertToImage();
wxAlphaPixelData target(bmp);
wxAlphaPixelData source(symlink);
int sx = bmp.GetWidth();
if (symlink.GetWidth() < sx)
sx = symlink.GetWidth();
int sy = bmp.GetHeight();
if (symlink.GetHeight() < sy)
sy = symlink.GetHeight();
// Do some rudimentary alpha copying
wxAlphaPixelData::Iterator t(target);
wxAlphaPixelData::Iterator s(source);
for (int y = 0; y < sy; y++)
{
s.MoveTo(source, 0, y);
t.MoveTo(target, 0, y);
for (int x = 0; x < sx; x++, s++, t++)
AlphaComposite_Over_Inplace(t, s);
}
}
// Replaces a bitmap, optionally passing a mask bitmap.
// Note that wxImageList creates new bitmaps, so you may delete
// 'bitmap' and 'mask'.
bool wxImageList::Replace(int index,
const wxBitmap& bitmap,
const wxBitmap& mask)
{
HBITMAP hbmp;
#if wxUSE_WXDIB && wxUSE_IMAGE
// See the comment in Add() above.
AutoHBITMAP hbmpRelease;
if ( bitmap.HasAlpha() )
{
hbmp = wxDIB(bitmap.ConvertToImage(),
wxDIB::PixelFormat_NotPreMultiplied).Detach();
hbmpRelease.Init(hbmp);
}
else
#endif // wxUSE_WXDIB && wxUSE_IMAGE
hbmp = GetHbitmapOf(bitmap);
AutoHBITMAP hbmpMask(GetMaskForImage(bitmap, mask));
if ( !ImageList_Replace(GetHImageList(), index, hbmp, hbmpMask) )
{
wxLogLastError(wxT("ImageList_Replace()"));
return false;
}
return true;
}
void setImage(wxString path)
{
m_image_path = path;
if(path.EndsWith(wxT(".icns"))) {
wxExecute(wxT("sips -s format png '") + path + wxT("' --out /tmp/tmpicon.png"), wxEXEC_SYNC);
path = wxT("/tmp/tmpicon.png");
}
m_image.LoadFile(path, wxBITMAP_TYPE_ANY);
if(m_image.IsOk()) {
if(m_image.GetWidth() > 50 or m_image.GetHeight() > 50) {
wxImage tmp = m_image.ConvertToImage();
tmp.Rescale(50, 50, wxIMAGE_QUALITY_HIGH);
m_image = wxBitmap(tmp);
}
const int w = m_image.GetWidth();
const int h = m_image.GetHeight();
SetMinSize(wxSize(w + 20, h + 20));
SetMaxSize(wxSize(w + 20, h + 20));
Refresh(); // repaint needed to see change
} else {
wxMessageBox(_("Failed to load image"));
}
}
void wxSpeedButton::MakeTransparent(wxBitmap &inBitmap) {
int h;
int r,g,b;
wxImage img;
wxBitmap *bmp;
// not a good image?
if (! inBitmap.IsOk()) return;
// already have a mask?
img = inBitmap.ConvertToImage();
if (img.HasMask()) return;
// get the colors of the lower-left corner of the image
h = img.GetHeight();
r = img.GetRed(0, h-1);
b = img.GetBlue(0, h-1);
g = img.GetGreen(0, h-1);
// make a mask from those colors
img.SetMaskColour(r, g, b);
// store it back in the bitmap
bmp = new wxBitmap(img);
inBitmap = *bmp;
}
/*static*/ void
wxMemoryFSHandler::AddFile(const wxString& filename,
const wxBitmap& bitmap,
wxBitmapType type)
{
wxImage img = bitmap.ConvertToImage();
AddFile(filename, img, type);
}
wxBitmap wxCustomButton::CreateBitmapDisabled(const wxBitmap &bitmap) const
{
wxCHECK_MSG(bitmap.Ok(), wxNullBitmap, wxT("invalid bitmap"));
unsigned char br = GetBackgroundColour().Red();
unsigned char bg = GetBackgroundColour().Green();
unsigned char bb = GetBackgroundColour().Blue();
wxImage image = bitmap.ConvertToImage();
int pos, width = image.GetWidth(), height = image.GetHeight();
unsigned char *img_data = image.GetData();
for (int j=0; j<height; j++)
{
for (int i=j%2; i<width; i+=2)
{
pos = (j*width+i)*3;
img_data[pos ] = br;
img_data[pos+1] = bg;
img_data[pos+2] = bb;
}
}
return wxBitmap(image);
/* // FIXME why bother creating focused wxCustomButton's bitmap
wxImage imgFoc = bitmap.ConvertToImage();
bool mask = false;
unsigned char mr=0, mg=0, mb=0;
if (img.HasMask())
{
mask = true;
mr = imgDis.GetMaskRed();
mg = imgDis.GetMaskGreen();
mb = imgDis.GetMaskBlue();
}
unsigned char *r, *g, *b;
unsigned char *focData = imgFoc.GetData();
r = imgFoc.GetData();
g = imgFoc.GetData() + 1;
b = imgFoc.GetData() + 2;
for (int j=0; j<h; j++)
{
for (int i=0; i<w; i++)
{
if ((!mask || ((*r!=mr)&&(*b!=mb)&&(*g!=mg))) &&
((*r<236)&&(*b<236)&&(*g<236)))
{
*r += 20; *g += 20; *b += 20;
}
r += 3; g += 3; b += 3;
}
}
m_bmpFocus = wxBitmap(imgFoc);
*/
}
void DrawGLUtils::CreateOrUpdateTexture(const wxBitmap &bmp48,
const wxBitmap &bmp32,
const wxBitmap &bmp16,
GLuint* texture)
{
int level = 0;
glGenTextures(1,texture);
glBindTexture(GL_TEXTURE_2D, *texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST);
addMipMap(texture, bmp48.ConvertToImage().Rescale(64, 64, wxIMAGE_QUALITY_HIGH), level);
addMipMap(texture, bmp32.ConvertToImage(), level);
addMipMap(texture, bmp16.ConvertToImage(), level);
addMipMap(texture, bmp16.ConvertToImage().Rescale(8, 8, wxIMAGE_QUALITY_HIGH), level);
addMipMap(texture, bmp16.ConvertToImage().Rescale(4, 4, wxIMAGE_QUALITY_HIGH), level);
addMipMap(texture, bmp16.ConvertToImage().Rescale(2, 2, wxIMAGE_QUALITY_HIGH), level);
addMipMap(texture, bmp16.ConvertToImage().Rescale(1, 1, wxIMAGE_QUALITY_HIGH), level);
}
// See also: wxButton::DoSetBitmap and wxBitmapButton::DoSetBitmap
void DynamicBitmap::SetBitmap( const wxBitmap& bitmap, wxButtonBase::State state )
{
if ( bitmap.IsOk() )
{
DoSetBitmap( bitmap, state );
switch ( state )
{
default:
// nothing special to do but include the default clause to
// suppress gcc warnings
//HELIUM_ASSERT();
break;
case wxButtonBase::State_Normal:
m_WasStateSetByUser[wxButtonBase::State_Normal] = true;
#if wxUSE_IMAGE
if ( !m_WasStateSetByUser[wxButtonBase::State_Disabled] )
{
wxImage disabledImage( bitmap.ConvertToImage().ConvertToGreyscale() );
DoSetBitmap( disabledImage, wxButtonBase::State_Disabled );
}
#endif // wxUSE_IMAGE
break;
case wxButtonBase::State_Current:
m_WasStateSetByUser[wxButtonBase::State_Current] = true;
break;
case wxButtonBase::State_Pressed:
m_WasStateSetByUser[wxButtonBase::State_Pressed] = true;
break;
case wxButtonBase::State_Disabled:
m_WasStateSetByUser[wxButtonBase::State_Disabled] = true;
break;
case wxButtonBase::State_Focused:
m_WasStateSetByUser[wxButtonBase::State_Focused] = true;
// if the focus bitmap is specified but current one isn't, use
// the focus bitmap for hovering as well if this is consistent
// with the current Windows version look and feel
//
// rationale: this is compatible with the old wxGTK behaviour
// and also makes it much easier to do "the right thing" for
// all platforms (some of them, such as Windows XP, have "hot"
// buttons while others don't)
if ( !m_WasStateSetByUser[wxButtonBase::State_Current] )
{
DoSetBitmap( bitmap, wxButtonBase::State_Current );
}
break;
}
}
}
// ----------------------------------------------------------------------------
void BitmapWidget::OnPaint(wxPaintEvent &event)
{
wxAutoBufferedPaintDC dc(this);
dc.SetBackground(*wxBLACK_BRUSH);
dc.Clear();
wxImage img(m_bmp->ConvertToImage());
dc.DrawBitmap(wxBitmap(img.Scale(m_w, m_h)), m_x, m_y, false);
}
bool wxRegion::Union(const wxBitmap& bmp,
const wxColour& transColour,
int tolerance)
{
wxImage image = bmp.ConvertToImage();
return DoRegionUnion(*this, image,
transColour.Red(),
transColour.Green(),
transColour.Blue(),
tolerance);
}
wxBitmap RescaleBitmap(const wxBitmap& bitmap, const wxSize& size, bool hq)
{
wxASSERT(bitmap.IsOk());
if (!bitmap.IsOk())
return wxNullBitmap;
wxImage image = bitmap.ConvertToImage();
image.Rescale(size.x, size.y, hq ? wxIMAGE_QUALITY_HIGH : wxIMAGE_QUALITY_NORMAL);
return image;
}
wxBitmap AdjustBitmapSize(const wxBitmap& bitmap, const wxSize& size, const wxPoint& origin)
{
wxASSERT(bitmap.IsOk());
if (!bitmap.IsOk())
return wxNullBitmap;
wxImage image=bitmap.ConvertToImage();
image.Resize(size, origin);
return image;
}
static wxBitmap CreateDisabledBitmap(const wxBitmap& bmp)
{
wxImage img = bmp.ConvertToImage();
img = img.ConvertToGreyscale();
wxBitmap greyBmp(img);
if(DrawingUtils::IsThemeDark()) {
return greyBmp.ConvertToDisabled(70);
} else {
return greyBmp.ConvertToDisabled(150);
}
}
// Adds a bitmap, and optionally a mask bitmap.
// Note that wxImageList creates new bitmaps, so you may delete
// 'bitmap' and 'mask'.
int wxImageList::Add(const wxBitmap& bitmap, const wxBitmap& mask)
{
HBITMAP hbmp;
bool useMask;
#if wxUSE_WXDIB && wxUSE_IMAGE
// wxBitmap normally stores alpha in pre-multiplied format but
// ImageList_Draw() does pre-multiplication internally so we need to undo
// the pre-multiplication here. Converting back and forth like this is, of
// course, very inefficient but it's better than wrong appearance so we do
// this for now until a better way can be found.
AutoHBITMAP hbmpRelease;
if ( bitmap.HasAlpha() )
{
wxImage img = bitmap.ConvertToImage();
// For comctl32.dll < 6 remove alpha channel from image
// to prevent possible interferences with the mask.
if ( wxApp::GetComCtl32Version() < 600 )
{
img.ClearAlpha();
useMask = true;
}
else
{
useMask = false;
}
hbmp = wxDIB(img, wxDIB::PixelFormat_NotPreMultiplied).Detach();
hbmpRelease.Init(hbmp);
}
else
#endif // wxUSE_WXDIB && wxUSE_IMAGE
{
hbmp = GetHbitmapOf(bitmap);
useMask = true;
}
// Use mask only if we don't have alpha, the bitmap isn't drawn correctly
// if we use both.
AutoHBITMAP hbmpMask;
if ( useMask )
hbmpMask.Init(GetMaskForImage(bitmap, mask));
int index = ImageList_Add(GetHImageList(), hbmp, hbmpMask);
if ( index == -1 )
{
wxLogError(_("Couldn't add an image to the image list."));
}
return index;
}
static wxBitmap wxMakeStdSizeBitmap(const wxBitmap& bitmap)
{
// in Mac OS X the icon controls (which are used for borderless bitmap
// buttons) can have only one of the few standard sizes and if they
// don't, the OS rescales them automatically resulting in really ugly
// images, so centre the image in a square of standard size instead
// the supported sizes, sorted in decreasng order
static const int stdSizes[] = { 128, 48, 32, 16, 0 };
const int width = bitmap.GetWidth();
const int height = bitmap.GetHeight();
wxBitmap newBmp(bitmap);
int n;
for ( n = 0; n < (int)WXSIZEOF(stdSizes); n++ )
{
const int sizeStd = stdSizes[n];
if ( width > sizeStd || height > sizeStd )
{
// it will become -1 if the bitmap is larger than the biggest
// supported size, this is intentional
n--;
break;
}
}
if ( n != -1 )
{
const int sizeStd = stdSizes[n];
if ( width != sizeStd || height != sizeStd )
{
wxASSERT_MSG( width <= sizeStd && height <= sizeStd,
_T("bitmap shouldn't be cropped") );
wxImage square_image = bitmap.ConvertToImage();
newBmp = square_image.Size
(
wxSize(sizeStd, sizeStd),
wxPoint((sizeStd - width)/2, (sizeStd-height)/2)
);
}
}
//else: let the system rescale the bitmap
return newBmp;
}
void wxBitmapButton::DoSetBitmap(const wxBitmap& bitmap, State which)
{
if ( bitmap.IsOk() )
{
switch ( which )
{
#if wxUSE_IMAGE
case State_Normal:
if ( !HasFlag(wxBU_AUTODRAW) && !m_disabledSetByUser )
{
wxImage img(bitmap.ConvertToImage().ConvertToGreyscale());
wxBitmapButtonBase::DoSetBitmap(img, State_Disabled);
}
break;
#endif // wxUSE_IMAGE
case State_Focused:
// if the focus bitmap is specified but current one isn't, use
// the focus bitmap for hovering as well if this is consistent
// with the current Windows version look and feel
//
// rationale: this is compatible with the old wxGTK behaviour
// and also makes it much easier to do "the right thing" for
// all platforms (some of them, such as Windows XP, have "hot"
// buttons while others don't)
if ( !m_hoverSetByUser )
wxBitmapButtonBase::DoSetBitmap(bitmap, State_Current);
break;
case State_Current:
// don't overwrite it with the focused bitmap
m_hoverSetByUser = true;
break;
case State_Disabled:
// don't overwrite it with the version automatically created
// from the normal one
m_disabledSetByUser = true;
break;
default:
// nothing special to do but include the default clause to
// suppress gcc warnings
;
}
}
wxBitmapButtonBase::DoSetBitmap(bitmap, which);
}
bool wxRegion::Union(const wxBitmap& bmp,
const wxColour& transColour,
int tolerance)
{
#if (!defined(__WXMSW__) || wxUSE_WXDIB)
wxImage image = bmp.ConvertToImage();
return DoRegionUnion(*this, image,
transColour.Red(),
transColour.Green(),
transColour.Blue(),
tolerance);
#else
return false;
#endif
}
static wxBitmap ConvertToDisabled(const wxBitmap& bmp)
{
#if wxVERSION_NUMBER >= 3100 && !defined(__WXMSW__)
// Convert the image to disabled
// It seems that m_bitmap.ConvertToDisabled() looses the scale
// factor, so use this kind of conversion
wxImage img = bmp.ConvertToImage();
img = img.ConvertToDisabled();
// Keep the original m_bitmap scale factor
wxBitmap disabledBmp = wxBitmap(img, -1, bmp.GetScaleFactor());
return disabledBmp;
#else
return bmp.ConvertToDisabled();
#endif
}
void Image::LoadImage(const wxBitmap &bitmap)
{
// Convert the bitmap to a png image we can use as m_compressedImage
wxImage image = bitmap.ConvertToImage();
wxMemoryOutputStream stream;
image.SaveFile(stream,wxBITMAP_TYPE_PNG);
m_compressedImage.AppendData(stream.GetOutputStreamBuffer()->GetBufferStart(),
stream.GetOutputStreamBuffer()->GetBufferSize());
// Set the info about the image.
m_extension = wxT("png");
m_originalWidth = image.GetWidth();
m_originalHeight = image.GetHeight();
m_scaledBitmap.Create (1,1);
}
// Replaces a bitmap, optionally passing a mask bitmap.
// Note that wxImageList creates new bitmaps, so you may delete
// 'bitmap' and 'mask'.
bool wxImageList::Replace(int index,
const wxBitmap& bitmap,
const wxBitmap& mask)
{
HBITMAP hbmp;
bool useMask;
#if wxUSE_WXDIB && wxUSE_IMAGE
// See the comment in Add() above.
AutoHBITMAP hbmpRelease;
if ( bitmap.HasAlpha() )
{
wxImage img = bitmap.ConvertToImage();
if ( wxApp::GetComCtl32Version() < 600 )
{
img.ClearAlpha();
useMask = true;
}
else
{
useMask = false;
}
hbmp = wxDIB(img, wxDIB::PixelFormat_NotPreMultiplied).Detach();
hbmpRelease.Init(hbmp);
}
else
#endif // wxUSE_WXDIB && wxUSE_IMAGE
{
hbmp = GetHbitmapOf(bitmap);
useMask = true;
}
AutoHBITMAP hbmpMask;
if ( useMask )
hbmpMask.Init(GetMaskForImage(bitmap, mask));
if ( !ImageList_Replace(GetHImageList(), index, hbmp, hbmpMask) )
{
wxLogLastError(wxT("ImageList_Replace()"));
return false;
}
return true;
}
wxBitmap KiScaledBitmap( const wxBitmap& aBitmap, EDA_BASE_FRAME* aWindow )
{
const int scale = get_scale_factor( aWindow );
if( scale == 4)
{
return wxBitmap( aBitmap );
}
else
{
wxImage image = aBitmap.ConvertToImage();
image.Rescale( scale * image.GetWidth() / 4, scale * image.GetHeight() / 4,
wxIMAGE_QUALITY_BILINEAR );
return wxBitmap( image );
}
}
bool wxRegion::Union(const wxBitmap& bmp)
{
if (bmp.GetMask())
{
wxImage image = bmp.ConvertToImage();
wxASSERT_MSG( image.HasMask(), _T("wxBitmap::ConvertToImage doesn't preserve mask?") );
return DoRegionUnion(*this, image,
image.GetMaskRed(),
image.GetMaskGreen(),
image.GetMaskBlue(),
0);
}
else
{
return Union(0, 0, bmp.GetWidth(), bmp.GetHeight());
}
}
bool
wxSVGBitmapEmbedHandler::ProcessBitmap(const wxBitmap& bmp,
wxCoord x, wxCoord y,
wxOutputStream& stream) const
{
static int sub_images = 0;
if ( wxImage::FindHandler(wxBITMAP_TYPE_PNG) == NULL )
wxImage::AddHandler(new wxPNGHandler);
// write the bitmap as a PNG to a memory stream and Base64 encode
wxMemoryOutputStream mem;
bmp.ConvertToImage().SaveFile(mem, wxBITMAP_TYPE_PNG);
wxString data = wxBase64Encode(mem.GetOutputStreamBuffer()->GetBufferStart(),
mem.GetSize());
// write image meta information
wxString s;
s += wxString::Format(" <image x=\"%d\" y=\"%d\" "
"width=\"%dpx\" height=\"%dpx\" "
"title=\"Image from wxSVG\"\n",
x, y, bmp.GetWidth(), bmp.GetHeight());
s += wxString::Format(" id=\"image%d\" "
"xlink:href=\"data:image/png;base64,\n",
sub_images++);
// Wrap Base64 encoded data on 76 columns boundary (same as Inkscape).
const unsigned WRAP = 76;
for ( size_t i = 0; i < data.size(); i += WRAP )
{
if (i < data.size() - WRAP)
s += data.Mid(i, WRAP) + "\n";
else
s += data.Mid(i, s.size() - i) + "\"\n/>"; // last line
}
// write to the SVG file
const wxCharBuffer buf = s.utf8_str();
stream.Write(buf, strlen((const char *)buf));
return stream.IsOk();
}