X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f172cb8200f08ba1c6735a0d507991c877c0d68f..b53aea81d2e102224b452ef5bf7aee1132f37c6f:/src/common/imagpng.cpp?ds=sidebyside diff --git a/src/common/imagpng.cpp b/src/common/imagpng.cpp index 0a5c3c4826..474221ae11 100644 --- a/src/common/imagpng.cpp +++ b/src/common/imagpng.cpp @@ -28,16 +28,12 @@ #ifndef WX_PRECOMP #include "wx/log.h" - #include "wx/app.h" - #include "wx/bitmap.h" - #include "wx/module.h" + #include "wx/intl.h" + #include "wx/palette.h" + #include "wx/stream.h" #endif #include "png.h" -#include "wx/filefn.h" -#include "wx/wfstream.h" -#include "wx/intl.h" -#include "wx/palette.h" // For memcpy #include @@ -99,7 +95,9 @@ IMPLEMENT_DYNAMIC_CLASS(wxPNGHandler,wxImageHandler) #if wxUSE_STREAMS #ifndef PNGLINKAGEMODE - #ifdef __WATCOMC__ + #ifdef PNGAPI + #define PNGLINKAGEMODE PNGAPI + #elif defined(__WATCOMC__) // we need an explicit cdecl for Watcom, at least according to // // http://sf.net/tracker/index.php?func=detail&aid=651492&group_id=9863&atid=109863 @@ -150,19 +148,19 @@ struct wxPNGInfoStruct extern "C" { -void PNGLINKAGEMODE wx_PNG_stream_reader( png_structp png_ptr, png_bytep data, - png_size_t length ) +static void PNGLINKAGEMODE wx_PNG_stream_reader( png_structp png_ptr, png_bytep data, + png_size_t length ) { WX_PNG_INFO(png_ptr)->stream.in->Read(data, length); } -void PNGLINKAGEMODE wx_PNG_stream_writer( png_structp png_ptr, png_bytep data, - png_size_t length ) +static void PNGLINKAGEMODE wx_PNG_stream_writer( png_structp png_ptr, png_bytep data, + png_size_t length ) { WX_PNG_INFO(png_ptr)->stream.out->Write(data, length); } -void +static void PNGLINKAGEMODE wx_png_warning(png_structp png_ptr, png_const_charp message) { wxPNGInfoStruct *info = png_ptr ? WX_PNG_INFO(png_ptr) : NULL; @@ -172,7 +170,7 @@ PNGLINKAGEMODE wx_png_warning(png_structp png_ptr, png_const_charp message) // from pngerror.c // so that the libpng doesn't send anything on stderr -void +static void PNGLINKAGEMODE wx_png_error(png_structp png_ptr, png_const_charp message) { wx_png_warning(NULL, message); @@ -540,7 +538,7 @@ wxPNGHandler::LoadFile(wxImage *image, goto error; png_read_info( png_ptr, info_ptr ); - png_get_IHDR( png_ptr, info_ptr, &width, &height, &bit_depth, &color_type, &interlace_type, (int*) NULL, (int*) NULL ); + png_get_IHDR( png_ptr, info_ptr, &width, &height, &bit_depth, &color_type, &interlace_type, NULL, NULL ); if (color_type == PNG_COLOR_TYPE_PALETTE) png_set_expand( png_ptr ); @@ -712,6 +710,21 @@ bool wxPNGHandler::SaveFile( wxImage *image, wxOutputStream& stream, bool verbos : PNG_COLOR_TYPE_GRAY; } + if (image->HasOption(wxIMAGE_OPTION_PNG_FILTER)) + png_set_filter( png_ptr, PNG_FILTER_TYPE_BASE, image->GetOptionInt(wxIMAGE_OPTION_PNG_FILTER) ); + + if (image->HasOption(wxIMAGE_OPTION_PNG_COMPRESSION_LEVEL)) + png_set_compression_level( png_ptr, image->GetOptionInt(wxIMAGE_OPTION_PNG_COMPRESSION_LEVEL) ); + + if (image->HasOption(wxIMAGE_OPTION_PNG_COMPRESSION_MEM_LEVEL)) + png_set_compression_mem_level( png_ptr, image->GetOptionInt(wxIMAGE_OPTION_PNG_COMPRESSION_MEM_LEVEL) ); + + if (image->HasOption(wxIMAGE_OPTION_PNG_COMPRESSION_STRATEGY)) + png_set_compression_strategy( png_ptr, image->GetOptionInt(wxIMAGE_OPTION_PNG_COMPRESSION_STRATEGY) ); + + if (image->HasOption(wxIMAGE_OPTION_PNG_COMPRESSION_BUFFER_SIZE)) + png_set_compression_buffer_size( png_ptr, image->GetOptionInt(wxIMAGE_OPTION_PNG_COMPRESSION_BUFFER_SIZE) ); + png_set_IHDR( png_ptr, info_ptr, image->GetWidth(), image->GetHeight(), iBitDepth, iPngColorType, PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_BASE,