X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/939fadc8aab8cc85906685ed6cdcb46d28f27903..154e1ca1814ff1987caf1d6c4e3967ca6a9548c4:/src/common/image.cpp diff --git a/src/common/image.cpp b/src/common/image.cpp index 10035ce965..d5ea5590e7 100644 --- a/src/common/image.cpp +++ b/src/common/image.cpp @@ -7,7 +7,7 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "image.h" #endif @@ -32,6 +32,7 @@ #include "wx/intl.h" #include "wx/module.h" #include "wx/hash.h" +#include "wx/utils.h" // For memcpy #include @@ -218,6 +219,11 @@ wxImage wxImage::Copy() const memcpy( data, GetData(), M_IMGDATA->m_width*M_IMGDATA->m_height*3 ); + // also copy the image options + wxImageRefData *imgData = (wxImageRefData *)image.m_refData; + imgData->m_optionNames = M_IMGDATA->m_optionNames; + imgData->m_optionValues = M_IMGDATA->m_optionValues; + return image; } @@ -225,7 +231,7 @@ wxImage wxImage::ShrinkBy( int xFactor , int yFactor ) const { if( xFactor == 1 && yFactor == 1 ) return Copy() ; - + wxImage image; wxCHECK_MSG( Ok(), image, wxT("invalid image") ); @@ -236,7 +242,7 @@ wxImage wxImage::ShrinkBy( int xFactor , int yFactor ) const long old_height = M_IMGDATA->m_height, old_width = M_IMGDATA->m_width; - + wxCHECK_MSG( (old_height > 0) && (old_width > 0), image, wxT("invalid old image size") ); @@ -259,14 +265,14 @@ wxImage wxImage::ShrinkBy( int xFactor , int yFactor ) const maskRed = M_IMGDATA->m_maskRed; maskGreen = M_IMGDATA->m_maskGreen; maskBlue =M_IMGDATA->m_maskBlue ; - + image.SetMaskColour( M_IMGDATA->m_maskRed, M_IMGDATA->m_maskGreen, M_IMGDATA->m_maskBlue ); } char unsigned *source_data = M_IMGDATA->m_data; char unsigned *target_data = data; - + for (long y = 0; y < height; y++) { for (long x = 0; x < width; x++) @@ -302,9 +308,9 @@ wxImage wxImage::ShrinkBy( int xFactor , int yFactor ) const } else { - *(target_data++) = avgRed / counter ; - *(target_data++) = avgGreen / counter ; - *(target_data++) = avgBlue / counter ; + *(target_data++) = (unsigned char)(avgRed / counter); + *(target_data++) = (unsigned char)(avgGreen / counter); + *(target_data++) = (unsigned char)(avgBlue / counter); } } } @@ -790,7 +796,7 @@ void wxImage::SetAlpha(int x, int y, unsigned char alpha) M_IMGDATA->m_alpha[y*w + x] = alpha; } -unsigned char wxImage::GetAlpha(int x, int y) +unsigned char wxImage::GetAlpha(int x, int y) const { wxCHECK_MSG( Ok() && HasAlpha(), 0, wxT("invalid image or no alpha channel") ); @@ -811,7 +817,7 @@ void wxImage::SetAlpha( unsigned char *alpha ) alpha = (unsigned char *)malloc(M_IMGDATA->m_width*M_IMGDATA->m_height); } - delete [] M_IMGDATA->m_alpha; + free(M_IMGDATA->m_alpha); M_IMGDATA->m_alpha = alpha; } @@ -891,7 +897,7 @@ bool wxImage::SetMaskFromImage(const wxImage& mask, // check that the images are the same size if ( (M_IMGDATA->m_height != mask.GetHeight() ) || (M_IMGDATA->m_width != mask.GetWidth () ) ) { - wxLogError( _("Image and Mask have different sizes") ); + wxLogError( _("Image and mask have different sizes.") ); return false; } @@ -899,7 +905,7 @@ bool wxImage::SetMaskFromImage(const wxImage& mask, unsigned char r,g,b ; if (!FindFirstUnusedColour(&r, &g, &b)) { - wxLogError( _("No Unused Color in image being masked") ); + wxLogError( _("No unused colour in image being masked.") ); return false ; } @@ -930,6 +936,46 @@ bool wxImage::SetMaskFromImage(const wxImage& mask, return true; } +bool wxImage::ConvertAlphaToMask(unsigned char threshold) +{ + if (!HasAlpha()) + return true; + + unsigned char mr, mg, mb; + if (!FindFirstUnusedColour(&mr, &mg, &mb)) + { + wxLogError( _("No unused colour in image being masked.") ); + return false; + } + + SetMask(true); + SetMaskColour(mr, mg, mb); + + unsigned char *imgdata = GetData(); + unsigned char *alphadata = GetAlpha(); + + int w = GetWidth(); + int h = GetHeight(); + + for (int y = 0; y < h; y++) + { + for (int x = 0; x < w; x++, imgdata += 3, alphadata++) + { + if (*alphadata < threshold) + { + imgdata[0] = mr; + imgdata[1] = mg; + imgdata[2] = mb; + } + } + } + + free(M_IMGDATA->m_alpha); + M_IMGDATA->m_alpha = NULL; + + return true; +} + #if wxUSE_PALETTE // Palette functions @@ -1127,7 +1173,7 @@ bool wxImage::CanRead( wxInputStream &stream ) { const wxList& list = GetHandlers(); - for ( wxList::Node *node = list.GetFirst(); node; node = node->GetNext() ) + for ( wxList::compatibility_iterator node = list.GetFirst(); node; node = node->GetNext() ) { wxImageHandler *handler=(wxImageHandler*)node->GetData(); if (handler->CanRead( stream )) @@ -1145,7 +1191,7 @@ int wxImage::GetImageCount( wxInputStream &stream, long type ) { wxList &list=GetHandlers(); - for (wxList::Node *node = list.GetFirst(); node; node = node->GetNext()) + for (wxList::compatibility_iterator node = list.GetFirst(); node; node = node->GetNext()) { handler=(wxImageHandler*)node->GetData(); if ( handler->CanRead(stream) ) @@ -1188,7 +1234,7 @@ bool wxImage::LoadFile( wxInputStream& stream, long type, int index ) { wxList &list=GetHandlers(); - for ( wxList::Node *node = list.GetFirst(); node; node = node->GetNext() ) + for ( wxList::compatibility_iterator node = list.GetFirst(); node; node = node->GetNext() ) { handler=(wxImageHandler*)node->GetData(); if ( handler->CanRead(stream) ) @@ -1265,9 +1311,6 @@ bool wxImage::SaveFile( wxOutputStream& stream, const wxString& mimetype ) const void wxImage::AddHandler( wxImageHandler *handler ) { - // make sure that the memory will be freed at the program end - sm_handlers.DeleteContents(true); - // Check for an existing handler of the type being added. if (FindHandler( handler->GetType() ) == 0) { @@ -1289,9 +1332,6 @@ void wxImage::AddHandler( wxImageHandler *handler ) void wxImage::InsertHandler( wxImageHandler *handler ) { - // make sure that the memory will be freed at the program end - sm_handlers.DeleteContents(true); - // Check for an existing handler of the type being added. if (FindHandler( handler->GetType() ) == 0) { @@ -1312,6 +1352,7 @@ bool wxImage::RemoveHandler( const wxString& name ) if (handler) { sm_handlers.DeleteObject(handler); + delete handler; return true; } else @@ -1320,7 +1361,7 @@ bool wxImage::RemoveHandler( const wxString& name ) wxImageHandler *wxImage::FindHandler( const wxString& name ) { - wxNode *node = sm_handlers.GetFirst(); + wxList::compatibility_iterator node = sm_handlers.GetFirst(); while (node) { wxImageHandler *handler = (wxImageHandler*)node->GetData(); @@ -1333,7 +1374,7 @@ wxImageHandler *wxImage::FindHandler( const wxString& name ) wxImageHandler *wxImage::FindHandler( const wxString& extension, long bitmapType ) { - wxNode *node = sm_handlers.GetFirst(); + wxList::compatibility_iterator node = sm_handlers.GetFirst(); while (node) { wxImageHandler *handler = (wxImageHandler*)node->GetData(); @@ -1347,7 +1388,7 @@ wxImageHandler *wxImage::FindHandler( const wxString& extension, long bitmapType wxImageHandler *wxImage::FindHandler( long bitmapType ) { - wxNode *node = sm_handlers.GetFirst(); + wxList::compatibility_iterator node = sm_handlers.GetFirst(); while (node) { wxImageHandler *handler = (wxImageHandler *)node->GetData(); @@ -1359,7 +1400,7 @@ wxImageHandler *wxImage::FindHandler( long bitmapType ) wxImageHandler *wxImage::FindHandlerMime( const wxString& mimetype ) { - wxNode *node = sm_handlers.GetFirst(); + wxList::compatibility_iterator node = sm_handlers.GetFirst(); while (node) { wxImageHandler *handler = (wxImageHandler *)node->GetData(); @@ -1378,24 +1419,24 @@ void wxImage::InitStandardHandlers() void wxImage::CleanUpHandlers() { - wxNode *node = sm_handlers.GetFirst(); + wxList::compatibility_iterator node = sm_handlers.GetFirst(); while (node) { wxImageHandler *handler = (wxImageHandler *)node->GetData(); - wxNode *next = node->GetNext(); + wxList::compatibility_iterator next = node->GetNext(); delete handler; - delete node; node = next; } -} + sm_handlers.Clear(); +} wxString wxImage::GetImageExtWildcard() { wxString fmts; wxList& Handlers = wxImage::GetHandlers(); - wxNode* Node = Handlers.GetFirst(); + wxList::compatibility_iterator Node = Handlers.GetFirst(); while ( Node ) { wxImageHandler* Handler = (wxImageHandler*)Node->GetData(); @@ -1407,7 +1448,6 @@ wxString wxImage::GetImageExtWildcard() return wxT("(") + fmts + wxT(")|") + fmts; } - //----------------------------------------------------------------------------- // wxImageHandler //----------------------------------------------------------------------------- @@ -1468,37 +1508,6 @@ bool wxImageHandler::CallDoCanRead(wxInputStream& stream) #endif // wxUSE_STREAMS - - -//----------------------------------------------------------------------------- -// Deprecated wxBitmap conversion routines -//----------------------------------------------------------------------------- - -#if WXWIN_COMPATIBILITY_2_2 && wxUSE_GUI - -#ifdef __WXGTK__ -wxBitmap wxImage::ConvertToMonoBitmap( unsigned char red, unsigned char green, unsigned char blue ) const -{ - wxImage mono = this->ConvertToMono( red, green, blue ); - wxBitmap bitmap( mono, 1 ); - return bitmap; -} -#endif - -wxBitmap wxImage::ConvertToBitmap() const -{ - wxBitmap bitmap( *this ); - return bitmap; -} - -wxImage::wxImage( const wxBitmap &bitmap ) -{ - *this = bitmap.ConvertToImage(); -} - -#endif // WXWIN_COMPATIBILITY_2_2 && wxUSE_GUI - - // ---------------------------------------------------------------------------- // image histogram stuff // ---------------------------------------------------------------------------- @@ -1527,7 +1536,7 @@ wxImageHistogram::FindFirstUnusedColour(unsigned char *r, b2++; if ( b2 >= 255 ) { - wxLogError(_("GetUnusedColour:: No Unused Color in image ") ); + wxLogError(_("No unused colour in image.") ); return false; } } @@ -1835,8 +1844,8 @@ wxImage wxImage::Rotate(double angle, const wxPoint & centre_of_rotation, bool i w3 * *(v3++) + w4 * *(v4++)) / (w1 + w2 + w3 + w4) ); *(dst++) = (unsigned char) - ( (w1 * *(v1++) + w2 * *(v2++) + - w3 * *(v3++) + w4 * *(v4++)) / + ( (w1 * *v1 + w2 * *v2 + + w3 * *v3 + w4 * *v4) / (w1 + w2 + w3 + w4) ); } } @@ -1866,7 +1875,7 @@ wxImage wxImage::Rotate(double angle, const wxPoint & centre_of_rotation, bool i unsigned char *p = data[ys] + (3 * xs); *(dst++) = *(p++); *(dst++) = *(p++); - *(dst++) = *(p++); + *(dst++) = *p; } else {