X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a4bbc9f720cbd99d7092e8944e671a6291068b13..137c8bde085d6d5b7c459902d2ea1a198ab48765:/src/mgl/bitmap.cpp diff --git a/src/mgl/bitmap.cpp b/src/mgl/bitmap.cpp index b2489c75fd..5eb34733e8 100644 --- a/src/mgl/bitmap.cpp +++ b/src/mgl/bitmap.cpp @@ -1,15 +1,11 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: bitmap.cpp +// Name: src/mgl/bitmap.cpp // Author: Vaclav Slavik // RCS-ID: $Id$ -// Copyright: (c) 2001 SciTech Software, Inc. (www.scitechsoft.com) +// Copyright: (c) 2001-2002 SciTech Software, Inc. (www.scitechsoft.com) // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "bitmap.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -18,13 +14,17 @@ #endif #include "wx/bitmap.h" -#include "wx/icon.h" + +#ifndef WX_PRECOMP + #include "wx/intl.h" + #include "wx/log.h" + #include "wx/utils.h" + #include "wx/dcmemory.h" + #include "wx/icon.h" +#endif + #include "wx/filefn.h" #include "wx/image.h" -#include "wx/dcmemory.h" -#include "wx/utils.h" -#include "wx/log.h" -#include "wx/intl.h" #include "wx/image.h" #include "wx/xpmdecod.h" @@ -37,19 +37,38 @@ //----------------------------------------------------------------------------- static pixel_format_t gs_pixel_format_15 = - {0x1F,0x0A,3, 0x1F,0x05,3, 0x1F,0x00,3, 0x01,0x0F,7}; // 555 15bpp - + {0x1F,0x0A,3, 0x1F,0x05,3, 0x1F,0x00,3, 0x01,0x0F,7}; // 555 15bpp + static pixel_format_t gs_pixel_format_16 = - {0x1F,0x0B,3, 0x3F,0x05,2, 0x1F,0x00,3, 0x00,0x00,0}; // 565 16bpp + {0x1F,0x0B,3, 0x3F,0x05,2, 0x1F,0x00,3, 0x00,0x00,0}; // 565 16bpp static pixel_format_t gs_pixel_format_24 = - {0xFF,0x10,0, 0xFF,0x08,0, 0xFF,0x00,0, 0x00,0x00,0}; // RGB 24bpp + {0xFF,0x10,0, 0xFF,0x08,0, 0xFF,0x00,0, 0x00,0x00,0}; // RGB 24bpp static pixel_format_t gs_pixel_format_32 = - {0xFF,0x18,0, 0xFF,0x10,0, 0xFF,0x08,0, 0xFF,0x00,0}; // RGBA 32bpp + {0xFF,0x18,0, 0xFF,0x10,0, 0xFF,0x08,0, 0xFF,0x00,0}; // RGBA 32bpp + +static pixel_format_t gs_pixel_format_wxImage = + {0xFF,0x00,0, 0xFF,0x08,0, 0xFF,0x10,0, 0x00,0x00,0}; // RGB 24bpp for wxImage + +//----------------------------------------------------------------------------- +// helpers +//----------------------------------------------------------------------------- + +// Convert wxColour into it's quantized value in lower-precision +// pixel format (needed for masking by colour). +static wxColour wxQuantizeColour(const wxColour& clr, const wxBitmap& bmp) +{ + pixel_format_t *pf = bmp.GetMGLbitmap_t()->pf; + + if ( pf->redAdjust == 0 && pf->greenAdjust == 0 && pf->blueAdjust == 0 ) + return clr; + else + return wxColour((unsigned char)((clr.Red() >> pf->redAdjust) << pf->redAdjust), + (unsigned char)((clr.Green() >> pf->greenAdjust) << pf->greenAdjust), + (unsigned char)((clr.Blue() >> pf->blueAdjust) << pf->blueAdjust)); +} -// FIXME_MGL -- these formats will probably have to go into another place, -// where wxApp could use them to initialize g_displayDC //----------------------------------------------------------------------------- @@ -91,10 +110,14 @@ bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour) delete m_bitmap; m_bitmap = NULL; - wxImage image = bitmap.ConvertToImage().ConvertToMono( - colour.Red(), colour.Green(), colour.Blue()); - if ( !image.Ok() ) return FALSE; - + wxColour clr(wxQuantizeColour(colour, bitmap)); + + wxImage imgSrc(bitmap.ConvertToImage()); + imgSrc.SetMask(false); + wxImage image(imgSrc.ConvertToMono(clr.Red(), clr.Green(), clr.Blue())); + if ( !image.Ok() ) + return false; + m_bitmap = new wxBitmap(image, 1); return m_bitmap->Ok(); @@ -105,8 +128,8 @@ bool wxMask::Create(const wxBitmap& bitmap, int paletteIndex) unsigned char r,g,b; wxPalette *pal = bitmap.GetPalette(); - wxCHECK_MSG( pal, FALSE, wxT("Cannot create mask from bitmap without palette") ); - + wxCHECK_MSG( pal, false, wxT("Cannot create mask from bitmap without palette") ); + pal->GetRGB(paletteIndex, &r, &g, &b); return Create(bitmap, wxColour(r, g, b)); @@ -117,11 +140,11 @@ bool wxMask::Create(const wxBitmap& bitmap) delete m_bitmap; m_bitmap = NULL; - wxCHECK_MSG( bitmap.Ok(), FALSE, wxT("Invalid bitmap") ); - wxCHECK_MSG( bitmap.GetDepth() == 1, FALSE, wxT("Cannot create mask from colour bitmap") ); + wxCHECK_MSG( bitmap.Ok(), false, wxT("Invalid bitmap") ); + wxCHECK_MSG( bitmap.GetDepth() == 1, false, wxT("Cannot create mask from colour bitmap") ); m_bitmap = new wxBitmap(bitmap); - return TRUE; + return true; } @@ -169,20 +192,13 @@ wxBitmapRefData::~wxBitmapRefData() IMPLEMENT_ABSTRACT_CLASS(wxBitmapHandler,wxObject) IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxBitmapBase) -wxBitmap::wxBitmap() -{ - if ( wxTheBitmapList ) wxTheBitmapList->AddBitmap(this); -} - wxBitmap::wxBitmap(int width, int height, int depth) { Create(width, height, depth); - - if ( wxTheBitmapList ) wxTheBitmapList->AddBitmap(this); } -static bitmap_t *MyMGL_createBitmap(int width, int height, +static bitmap_t *MyMGL_createBitmap(int width, int height, int bpp, pixel_format_t *pf) { MGLMemoryDC mdc(width, height, bpp, pf); @@ -193,9 +209,10 @@ bool wxBitmap::Create(int width, int height, int depth) { UnRef(); - wxCHECK_MSG( (width > 0) && (height > 0), FALSE, wxT("invalid bitmap size") ) - - pixel_format_t pf_dummy, *pf; + wxCHECK_MSG( (width > 0) && (height > 0), false, wxT("invalid bitmap size") ); + + pixel_format_t pf_dummy; + pixel_format_t *pf; int mglDepth = depth; switch ( depth ) @@ -204,7 +221,7 @@ bool wxBitmap::Create(int width, int height, int depth) wxASSERT_MSG( g_displayDC, wxT("MGL display DC not created yet.") ); g_displayDC->getPixelFormat(pf_dummy); - mglDepth = g_displayDC->getBitsPerPixel(); + mglDepth = g_displayDC->getBitsPerPixel(); pf = &pf_dummy; break; case 1: @@ -224,9 +241,8 @@ bool wxBitmap::Create(int width, int height, int depth) pf = &gs_pixel_format_32; break; default: - wxASSERT_MSG( 0, wxT("invalid bitmap depth") ); - return FALSE; - break; + wxFAIL_MSG(wxT("invalid bitmap depth")); + return false; } m_refData = new wxBitmapRefData(); @@ -244,7 +260,7 @@ bool wxBitmap::Create(int width, int height, int depth) { // MGL does not support mono DCs, so we have to emulate them with // 8bpp ones. We do that by using a special palette with color 0 - // set to black and all other colors set to white. + // set to black and all other colors set to white. M_BMPDATA->m_bitmap = MyMGL_createBitmap(width, height, 8, pf); SetMonoPalette(wxColour(255, 255, 255), wxColour(0, 0, 0)); @@ -255,48 +271,46 @@ bool wxBitmap::Create(int width, int height, int depth) bool wxBitmap::CreateFromXpm(const char **bits) { - wxCHECK_MSG( bits != NULL, FALSE, wxT("invalid bitmap data") ) - + wxCHECK_MSG( bits != NULL, false, wxT("invalid bitmap data") ); + wxXPMDecoder decoder; wxImage img = decoder.ReadData(bits); - wxCHECK_MSG( img.Ok(), FALSE, wxT("invalid bitmap data") ) - + wxCHECK_MSG( img.Ok(), false, wxT("invalid bitmap data") ); + *this = wxBitmap(img); - - if ( wxTheBitmapList ) wxTheBitmapList->AddBitmap(this); - return TRUE; + return true; } -wxBitmap::wxBitmap(const wxImage& image, int depth = -1) +wxBitmap::wxBitmap(const wxImage& image, int depth) { long width, height; - wxCHECK_RET( image.Ok(), wxT("invalid image") ) - + wxCHECK_RET( image.Ok(), wxT("invalid image") ); + width = image.GetWidth(); height = image.GetHeight(); if ( !Create(width, height, depth) ) return; - - MGLMemoryDC idc(width, height, 24, &gs_pixel_format_24, + + MGLMemoryDC idc(width, height, 24, &gs_pixel_format_wxImage, width * 3, (void*)image.GetData(), NULL); wxASSERT_MSG( idc.isValid(), wxT("cannot create custom MGLDC") ); MGLDevCtx *bdc = CreateTmpDC(); - if ( depth <= 8 && image.HasPalette() ) + if ( GetDepth() <= 8 && image.HasPalette() ) SetPalette(image.GetPalette()); bdc->bitBlt(idc, 0, 0, width, height, 0, 0, MGL_REPLACE_MODE); delete bdc; - + if ( image.HasMask() ) { wxImage mask_image = image.ConvertToMono(image.GetMaskRed(), image.GetMaskGreen(), image.GetMaskBlue()); - mask_image.SetMask(FALSE); + mask_image.SetMask(false); wxBitmap mask_bmp(mask_image, 1); SetMask(new wxMask(mask_bmp)); } @@ -304,22 +318,22 @@ wxBitmap::wxBitmap(const wxImage& image, int depth = -1) wxImage wxBitmap::ConvertToImage() const { - wxCHECK_MSG( Ok(), FALSE, wxT("invalid bitmap") ); + wxCHECK_MSG( Ok(), wxImage(), wxT("invalid bitmap") ); int width, height; width = GetWidth(); height = GetHeight(); - + wxImage image(width, height); wxASSERT_MSG( image.Ok(), wxT("cannot create image") ); - - MGLMemoryDC idc(width, height, 24, &gs_pixel_format_24, + + MGLMemoryDC idc(width, height, 24, &gs_pixel_format_wxImage, width * 3, (void*)image.GetData(), NULL); wxASSERT_MSG( idc.isValid(), wxT("cannot create custom MGLDC") ); if ( M_BMPDATA->m_palette ) image.SetPalette(*(M_BMPDATA->m_palette)); - + if ( GetMask() ) { // in consistency with other ports, we convert parts covered @@ -328,35 +342,26 @@ wxImage wxBitmap::ConvertToImage() const // bg colour set to black and fg colour to <16,16,16> image.SetMaskColour(16, 16, 16); - image.SetMask(TRUE); + image.SetMask(true); wxDC tmpDC; - tmpDC.SetMGLDC(&idc, FALSE); + tmpDC.SetMGLDC(&idc, false); tmpDC.SetBackground(wxBrush(wxColour(16,16,16), wxSOLID)); tmpDC.Clear(); - tmpDC.DrawBitmap(*this, 0, 0, TRUE); + tmpDC.DrawBitmap(*this, 0, 0, true); } else { - image.SetMask(FALSE); + image.SetMask(false); idc.putBitmap(0, 0, M_BMPDATA->m_bitmap, MGL_REPLACE_MODE); } return image; } -wxBitmap::wxBitmap(const wxBitmap& bmp) -{ - Ref(bmp); - - if ( wxTheBitmapList ) wxTheBitmapList->AddBitmap(this); -} - wxBitmap::wxBitmap(const wxString &filename, wxBitmapType type) { LoadFile(filename, type); - - if ( wxTheBitmapList ) wxTheBitmapList->AddBitmap(this); } wxBitmap::wxBitmap(const char bits[], int width, int height, int depth) @@ -371,20 +376,6 @@ wxBitmap::wxBitmap(const char bits[], int width, int height, int depth) bdc->clearDevice(); bdc->putMonoImage(0, 0, width, (width + 7) / 8, height, (void*)bits); delete bdc; - - if ( wxTheBitmapList ) wxTheBitmapList->AddBitmap(this); -} - -wxBitmap::~wxBitmap() -{ - if ( wxTheBitmapList ) wxTheBitmapList->DeleteObject(this); -} - -wxBitmap& wxBitmap::operator = (const wxBitmap& bmp) -{ - if ( *this == bmp ) return (*this); - Ref(bmp); - return *this; } bool wxBitmap::operator == (const wxBitmap& bmp) const @@ -442,7 +433,7 @@ bool wxBitmap::CopyFromIcon(const wxIcon& icon) { wxBitmap *bmp = (wxBitmap*)(&icon); *this = *bmp; - return TRUE; + return true; } wxBitmap wxBitmap::GetSubBitmap(const wxRect& rect) const @@ -459,7 +450,7 @@ wxBitmap wxBitmap::GetSubBitmap(const wxRect& rect) const ret.SetPalette(*GetPalette()); MGLDevCtx *tdc = ret.CreateTmpDC(); - tdc->putBitmapSection(rect.x, rect.y, + tdc->putBitmapSection(rect.x, rect.y, rect.x + rect.width, rect.y + rect.height, 0, 0, M_BMPDATA->m_bitmap, MGL_REPLACE_MODE); delete tdc; @@ -503,14 +494,14 @@ MGLDevCtx *wxBitmap::CreateTmpDC() const M_BMPDATA->m_bitmap->bitsPerPixel, M_BMPDATA->m_bitmap->pf, M_BMPDATA->m_bitmap->bytesPerLine, - M_BMPDATA->m_bitmap->surface, + M_BMPDATA->m_bitmap->surface, NULL); wxCHECK_MSG( tdc->isValid(), NULL, wxT("cannot create temporary MGLDC") ); if ( M_BMPDATA->m_bitmap->pal != NULL ) { int cnt; - + switch (M_BMPDATA->m_bitmap->bitsPerPixel) { case 2: cnt = 2; break; @@ -521,43 +512,43 @@ MGLDevCtx *wxBitmap::CreateTmpDC() const wxFAIL_MSG( wxT("bitmap with this depth cannot have palette") ); break; } - + tdc->setPalette(M_BMPDATA->m_bitmap->pal, cnt, 0); tdc->realizePalette(cnt, 0, FALSE); } - + return tdc; } bool wxBitmap::LoadFile(const wxString &name, wxBitmapType type) { UnRef(); - - if ( type == wxBITMAP_TYPE_BMP || type == wxBITMAP_TYPE_PNG || + + if ( type == wxBITMAP_TYPE_BMP || type == wxBITMAP_TYPE_PNG || type == wxBITMAP_TYPE_PCX || type == wxBITMAP_TYPE_JPEG ) { // prevent accidental loading of bitmap from $MGL_ROOT: if ( !wxFileExists(name) ) { wxLogError(_("File %s does not exist."), name.c_str()); - return FALSE; + return false; } } - + wxBitmapHandler *handler = FindHandler(type); - if ( handler == NULL ) + if ( handler == NULL ) { wxImage image; if ( !image.LoadFile(name, type) || !image.Ok() ) { - wxLogError("no bitmap handler for type %d defined.", type); - return FALSE; + wxLogError("no bitmap handler for type %d defined.", type); + return false; } else { *this = wxBitmap(image); - return TRUE; + return true; } } @@ -568,11 +559,11 @@ bool wxBitmap::LoadFile(const wxString &name, wxBitmapType type) bool wxBitmap::SaveFile(const wxString& filename, wxBitmapType type, const wxPalette *palette) const { - wxCHECK_MSG( Ok(), FALSE, wxT("invalid bitmap") ); + wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") ); wxBitmapHandler *handler = FindHandler(type); - if ( handler == NULL ) + if ( handler == NULL ) { wxImage image = ConvertToImage(); if ( palette ) @@ -583,7 +574,7 @@ bool wxBitmap::SaveFile(const wxString& filename, wxBitmapType type, const wxPal else { wxLogError("no bitmap handler for type %d defined.", type); - return FALSE; + return false; } } @@ -606,7 +597,7 @@ void wxBitmap::SetPalette(const wxPalette& palette) M_BMPDATA->m_palette = NULL; if ( !palette.Ok() ) return; - + M_BMPDATA->m_palette = new wxPalette(palette); int cnt = palette.GetColoursCount(); @@ -652,17 +643,21 @@ public: wxMGLBitmapHandler(wxBitmapType type, const wxString& extension, const wxString& name); - virtual bool Create(wxBitmap *bitmap, void *data, long flags, - int width, int height, int depth = 1) - { return FALSE; } + virtual bool Create(wxBitmap *WXUNUSED(bitmap), + void *WXUNUSED(data), + long WXUNUSED(flags), + int WXUNUSED(width), + int WXUNUSED(height), + int WXUNUSED(depth) = 1) + { return false; } virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags, int desiredWidth, int desiredHeight); - virtual bool SaveFile(const wxBitmap *bitmap, const wxString& name, + virtual bool SaveFile(const wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette = NULL); }; -wxMGLBitmapHandler::wxMGLBitmapHandler(wxBitmapType type, +wxMGLBitmapHandler::wxMGLBitmapHandler(wxBitmapType type, const wxString& extension, const wxString& name) : wxBitmapHandler() @@ -672,16 +667,16 @@ wxMGLBitmapHandler::wxMGLBitmapHandler(wxBitmapType type, SetExtension(extension); } -bool wxMGLBitmapHandler::LoadFile(wxBitmap *bitmap, const wxString& name, - long flags, - int WXUNUSED(desiredWidth), +bool wxMGLBitmapHandler::LoadFile(wxBitmap *bitmap, const wxString& name, + long flags, + int WXUNUSED(desiredWidth), int WXUNUSED(desiredHeight)) { int width, height, bpp; pixel_format_t pf; wxString fullname; wxMemoryDC dc; - + switch (flags) { case wxBITMAP_TYPE_BMP_RESOURCE: @@ -693,52 +688,52 @@ bool wxMGLBitmapHandler::LoadFile(wxBitmap *bitmap, const wxString& name, default: fullname= name; break; - } + } switch (flags) { case wxBITMAP_TYPE_BMP: case wxBITMAP_TYPE_BMP_RESOURCE: if ( !MGL_getBitmapSize(fullname.mb_str(), &width, &height, &bpp, &pf) ) - return FALSE; + return false; bitmap->Create(width, height, -1); - if ( !bitmap->Ok() ) return FALSE; + if ( !bitmap->Ok() ) return false; dc.SelectObject(*bitmap); if ( !dc.GetMGLDC()->loadBitmapIntoDC(fullname.mb_str(), 0, 0, TRUE) ) - return FALSE; + return false; break; case wxBITMAP_TYPE_JPEG: case wxBITMAP_TYPE_JPEG_RESOURCE: if ( !MGL_getJPEGSize(fullname.mb_str(), &width, &height, &bpp, &pf) ) - return FALSE; + return false; bitmap->Create(width, height, -1); - if ( !bitmap->Ok() ) return FALSE; + if ( !bitmap->Ok() ) return false; dc.SelectObject(*bitmap); if ( !dc.GetMGLDC()->loadJPEGIntoDC(fullname.mb_str(), 0, 0, TRUE) ) - return FALSE; + return false; break; case wxBITMAP_TYPE_PNG: case wxBITMAP_TYPE_PNG_RESOURCE: if ( !MGL_getPNGSize(fullname.mb_str(), &width, &height, &bpp, &pf) ) - return FALSE; + return false; bitmap->Create(width, height, -1); - if ( !bitmap->Ok() ) return FALSE; + if ( !bitmap->Ok() ) return false; dc.SelectObject(*bitmap); if ( !dc.GetMGLDC()->loadPNGIntoDC(fullname.mb_str(), 0, 0, TRUE) ) - return FALSE; + return false; break; case wxBITMAP_TYPE_PCX: case wxBITMAP_TYPE_PCX_RESOURCE: if ( !MGL_getPCXSize(fullname.mb_str(), &width, &height, &bpp) ) - return FALSE; + return false; bitmap->Create(width, height, -1); - if ( !bitmap->Ok() ) return FALSE; + if ( !bitmap->Ok() ) return false; dc.SelectObject(*bitmap); if ( !dc.GetMGLDC()->loadPCXIntoDC(fullname.mb_str(), 0, 0, TRUE) ) - return FALSE; + return false; break; default: @@ -746,10 +741,10 @@ bool wxMGLBitmapHandler::LoadFile(wxBitmap *bitmap, const wxString& name, break; } - return TRUE; + return true; } -bool wxMGLBitmapHandler::SaveFile(const wxBitmap *bitmap, const wxString& name, +bool wxMGLBitmapHandler::SaveFile(const wxBitmap *bitmap, const wxString& name, int type, const wxPalette * WXUNUSED(palette)) { wxMemoryDC mem; @@ -763,26 +758,21 @@ bool wxMGLBitmapHandler::SaveFile(const wxBitmap *bitmap, const wxString& name, switch (type) { case wxBITMAP_TYPE_BMP: - return tdc->saveBitmapFromDC(name.mb_str(), 0, 0, w, h); - break; + return (bool)tdc->saveBitmapFromDC(name.mb_str(), 0, 0, w, h); case wxBITMAP_TYPE_JPEG: - return tdc->saveJPEGFromDC(name.mb_str(), 0, 0, w, h, 75); - break; + return (bool)tdc->saveJPEGFromDC(name.mb_str(), 0, 0, w, h, 75); case wxBITMAP_TYPE_PNG: - return tdc->savePNGFromDC(name.mb_str(), 0, 0, w, h); - break; + return (bool)tdc->savePNGFromDC(name.mb_str(), 0, 0, w, h); case wxBITMAP_TYPE_PCX: - return tdc->savePCXFromDC(name.mb_str(), 0, 0, w, h); - break; - default: - return FALSE; - break; + return (bool)tdc->savePCXFromDC(name.mb_str(), 0, 0, w, h); } + + return false; } -// let's handle PNGs in special way because they have alpha channel +// let's handle PNGs in special way because they have alpha channel // which we can access via bitmap_t most easily class wxPNGBitmapHandler: public wxMGLBitmapHandler { @@ -795,8 +785,8 @@ public: int desiredWidth, int desiredHeight); }; -bool wxPNGBitmapHandler::LoadFile(wxBitmap *bitmap, const wxString& name, - long flags, +bool wxPNGBitmapHandler::LoadFile(wxBitmap *bitmap, const wxString& name, + long flags, int desiredWidth, int desiredHeight) { int width, height, bpp; @@ -809,30 +799,30 @@ bool wxPNGBitmapHandler::LoadFile(wxBitmap *bitmap, const wxString& name, fullname = name; if ( !MGL_getPNGSize(fullname.mb_str(), &width, &height, &bpp, &pf) ) - return FALSE; + return false; if ( bpp != 32 ) { // We can load ordinary PNGs faster with 'normal' MGL handler. // Only RGBA PNGs need to be processed in special way because // we have to convert alpha channel to mask - return wxMGLBitmapHandler::LoadFile(bitmap, name, flags, + return wxMGLBitmapHandler::LoadFile(bitmap, name, flags, desiredWidth, desiredHeight); } - + bitmap_t *bmp = MGL_loadPNG(fullname.mb_str(), TRUE); - - if ( bmp == NULL ) return FALSE; + + if ( bmp == NULL ) return false; bitmap->Create(bmp->width, bmp->height, -1); - if ( !bitmap->Ok() ) return FALSE; - + if ( !bitmap->Ok() ) return false; + // convert bmp to display's depth and write it to *bitmap: wxMemoryDC dc; dc.SelectObject(*bitmap); dc.GetMGLDC()->putBitmap(0, 0, bmp, MGL_REPLACE_MODE); dc.SelectObject(wxNullBitmap); - + // create mask, if bmp contains alpha channel (ARGB format): if ( bmp->bitsPerPixel == 32 ) { @@ -843,8 +833,8 @@ bool wxPNGBitmapHandler::LoadFile(wxBitmap *bitmap, const wxString& name, s = ((wxUint32*)bmp->surface) + y * bmp->bytesPerLine/4; for (x = 0; x < bmp->width; x++, s ++) { - if ( ((((*s) >> bmp->pf->rsvdPos) & bmp->pf->rsvdMask) - << bmp->pf->rsvdAdjust) < 128 ) + if ( ((((*s) >> bmp->pf->alphaPos) & bmp->pf->alphaMask) + << bmp->pf->alphaAdjust) < 128 ) *s = 0; else *s = 0x00FFFFFF; // white @@ -856,10 +846,10 @@ bool wxPNGBitmapHandler::LoadFile(wxBitmap *bitmap, const wxString& name, dc.SelectObject(wxNullBitmap); bitmap->SetMask(new wxMask(mask)); } - + MGL_unloadBitmap(bmp); - - return TRUE; + + return true; } @@ -870,18 +860,22 @@ class wxICOBitmapHandler: public wxBitmapHandler public: wxICOBitmapHandler(wxBitmapType type, const wxString& extension, const wxString& name); - - virtual bool Create(wxBitmap *bitmap, void *data, long flags, - int width, int height, int depth = 1) - { return FALSE; } - + + virtual bool Create(wxBitmap *WXUNUSED(bitmap), + void *WXUNUSED(data), + long WXUNUSED(flags), + int WXUNUSED(width), + int WXUNUSED(height), + int WXUNUSED(depth) = 1) + { return false; } + virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags, int desiredWidth, int desiredHeight); - virtual bool SaveFile(const wxBitmap *bitmap, const wxString& name, + virtual bool SaveFile(const wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette = NULL); }; -wxICOBitmapHandler::wxICOBitmapHandler(wxBitmapType type, +wxICOBitmapHandler::wxICOBitmapHandler(wxBitmapType type, const wxString& extension, const wxString& name) : wxBitmapHandler() @@ -891,9 +885,9 @@ wxICOBitmapHandler::wxICOBitmapHandler(wxBitmapType type, SetExtension(extension); } -bool wxICOBitmapHandler::LoadFile(wxBitmap *bitmap, const wxString& name, - long flags, - int WXUNUSED(desiredWidth), +bool wxICOBitmapHandler::LoadFile(wxBitmap *bitmap, const wxString& name, + long flags, + int WXUNUSED(desiredWidth), int WXUNUSED(desiredHeight)) { icon_t *icon = NULL; @@ -901,10 +895,10 @@ bool wxICOBitmapHandler::LoadFile(wxBitmap *bitmap, const wxString& name, if ( flags == wxBITMAP_TYPE_ICO_RESOURCE ) icon = MGL_loadIcon(wxString(name + wxT(".ico")).mb_str(), TRUE); - else + else icon = MGL_loadIcon(name.mb_str(), TRUE); - if ( icon == NULL ) return FALSE; + if ( icon == NULL ) return false; bitmap->Create(icon->xorMask.width, icon->xorMask.height); @@ -924,18 +918,20 @@ bool wxICOBitmapHandler::LoadFile(wxBitmap *bitmap, const wxString& name, dc->clearDevice(); dc->putMonoImage(0, 0, icon->xorMask.width, icon->byteWidth, icon->xorMask.height, (void*)icon->andMask); - + bitmap->SetMask(new wxMask(mask)); MGL_unloadIcon(icon); - - return TRUE; + + return true; } -bool wxICOBitmapHandler::SaveFile(const wxBitmap *bitmap, const wxString& name, - int type, const wxPalette * WXUNUSED(palette)) +bool wxICOBitmapHandler::SaveFile(const wxBitmap *WXUNUSED(bitmap), + const wxString& WXUNUSED(name), + int WXUNUSED(type), + const wxPalette * WXUNUSED(palette)) { - return FALSE; + return false; }