/////////////////////////////////////////////////////////////////////////////
-// 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"
#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"
+ #include "wx/image.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"
#include "wx/mgl/private.h"
#include <mgraph.hpp>
+static bitmap_t *MyMGL_createBitmap(int width, int height,
+ int bpp, pixel_format_t *pf)
+{
+ MGLMemoryDC mdc(width, height, bpp, pf);
+ return MGL_getBitmapFromDC(mdc.getDC(), 0, 0, width, height, TRUE);
+}
+
//-----------------------------------------------------------------------------
// MGL pixel formats:
//-----------------------------------------------------------------------------
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((clr.Red() >> pf->redAdjust) << pf->redAdjust,
- (clr.Green() >> pf->greenAdjust) << pf->greenAdjust,
- (clr.Blue() >> pf->blueAdjust) << pf->blueAdjust);
-}
-
-
+ {0xFF,0x00,0, 0xFF,0x08,0, 0xFF,0x10,0, 0x00,0x00,0}; // RGB 24bpp for wxImage
//-----------------------------------------------------------------------------
-// wxMask
+// wxBitmapRefData
//-----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxMask,wxObject)
-
-wxMask::wxMask()
+class wxBitmapRefData: public wxGDIRefData
{
- m_bitmap = NULL;
-}
+public:
+ wxBitmapRefData();
+ wxBitmapRefData(int width, int height, int bpp);
+ wxBitmapRefData(const wxBitmapRefData& data);
+ virtual ~wxBitmapRefData();
-wxMask::wxMask(const wxBitmap& bitmap, const wxColour& colour)
-{
- m_bitmap = NULL;
- Create(bitmap, colour);
-}
+ virtual bool IsOk() const { return m_bitmap != NULL; }
-wxMask::wxMask(const wxBitmap& bitmap, int paletteIndex)
-{
- m_bitmap = NULL;
- Create(bitmap, paletteIndex);
-}
+ int m_width;
+ int m_height;
+ int m_bpp;
+ wxPalette *m_palette;
+ wxMask *m_mask;
+ bitmap_t *m_bitmap;
-wxMask::wxMask(const wxBitmap& bitmap)
-{
- m_bitmap = NULL;
- Create(bitmap);
-}
+private:
+ void DoCreateBitmap(int width, int height, int depth);
+};
-wxMask::~wxMask()
+void wxBitmapRefData::DoCreateBitmap(int width, int height, int depth)
{
- delete m_bitmap;
-}
+ m_width = width;
+ m_height = height;
+ m_bpp = depth;
-bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour)
-{
- delete m_bitmap;
- m_bitmap = NULL;
-
- wxColour clr(wxQuantizeColour(colour, bitmap));
+ pixel_format_t pf_dummy;
+ pixel_format_t *pf;
+ int mglDepth = depth;
- wxImage imgSrc(bitmap.ConvertToImage());
- imgSrc.SetMask(FALSE);
- wxImage image(imgSrc.ConvertToMono(clr.Red(), clr.Green(), clr.Blue()));
- if ( !image.Ok() ) return FALSE;
+ switch ( depth )
+ {
+ case -1:
+ wxASSERT_MSG( g_displayDC, wxT("MGL display DC not created yet.") );
- m_bitmap = new wxBitmap(image, 1);
+ g_displayDC->getPixelFormat(pf_dummy);
+ mglDepth = g_displayDC->getBitsPerPixel();
+ pf = &pf_dummy;
+ break;
+ case 1:
+ case 8:
+ pf = NULL;
+ mglDepth = 8; // we emulate monochrome bitmaps using 8 bit ones
+ break;
+ case 15:
+ pf = &gs_pixel_format_15;
+ break;
+ case 16:
+ pf = &gs_pixel_format_16;
+ break;
+ case 24:
+ pf = &gs_pixel_format_24;
+ break;
+ case 32:
+ pf = &gs_pixel_format_32;
+ break;
+ default:
+ wxFAIL_MSG(wxT("invalid bitmap depth"));
+ m_bitmap = NULL;
+ return;
+ }
- return m_bitmap->Ok();
+ m_bitmap = MyMGL_createBitmap(width, height, mglDepth, pf);
}
-bool wxMask::Create(const wxBitmap& bitmap, int paletteIndex)
+wxBitmapRefData::wxBitmapRefData()
{
- unsigned char r,g,b;
- wxPalette *pal = bitmap.GetPalette();
+ m_width =
+ m_height =
+ m_bpp = 0;
- wxCHECK_MSG( pal, FALSE, wxT("Cannot create mask from bitmap without palette") );
-
- pal->GetRGB(paletteIndex, &r, &g, &b);
+ m_palette = NULL;
+ m_mask = NULL;
- return Create(bitmap, wxColour(r, g, b));
+ m_bitmap = NULL;
}
-bool wxMask::Create(const wxBitmap& bitmap)
+wxBitmapRefData::wxBitmapRefData(int width, int height, int bpp)
{
- delete m_bitmap;
- m_bitmap = NULL;
+ DoCreateBitmap(width, height, bpp);
- 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;
+ m_palette = NULL;
+ m_mask = NULL;
}
-
-//-----------------------------------------------------------------------------
-// wxBitmap
-//-----------------------------------------------------------------------------
-
-class wxBitmapRefData: public wxObjectRefData
+wxBitmapRefData::wxBitmapRefData(const wxBitmapRefData& data)
{
-public:
- wxBitmapRefData();
- ~wxBitmapRefData();
+ DoCreateBitmap(data.m_width, data.m_height, data.m_bpp);
- int m_width;
- int m_height;
- int m_bpp;
- wxPalette *m_palette;
- wxMask *m_mask;
- bitmap_t *m_bitmap;
-};
-
-wxBitmapRefData::wxBitmapRefData()
-{
- m_mask = NULL;
- m_width = 0;
- m_height = 0;
- m_bpp = 0;
- m_palette = NULL;
- m_bitmap = NULL;
+ m_palette = NULL; // FIXME: should copy
+ m_mask = NULL; // FIXME: should copy
}
wxBitmapRefData::~wxBitmapRefData()
delete m_palette;
}
+
+//-----------------------------------------------------------------------------
+// wxBitmap
//-----------------------------------------------------------------------------
#define M_BMPDATA ((wxBitmapRefData *)m_refData)
-
-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)
+wxGDIRefData *wxBitmap::CreateGDIRefData() const
{
- Create(width, height, depth);
-
- if ( wxTheBitmapList ) wxTheBitmapList->AddBitmap(this);
+ return new wxBitmapRefData;
}
-
-static bitmap_t *MyMGL_createBitmap(int width, int height,
- int bpp, pixel_format_t *pf)
+wxGDIRefData *wxBitmap::CloneGDIRefData(const wxGDIRefData *data) const
{
- MGLMemoryDC mdc(width, height, bpp, pf);
- return MGL_getBitmapFromDC(mdc.getDC(), 0, 0, width, height, TRUE);
+ return new wxBitmapRefData(*static_cast<const wxBitmapRefData *>(data));
}
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;
- int mglDepth = depth;
-
- switch ( depth )
- {
- case -1:
- wxASSERT_MSG( g_displayDC, wxT("MGL display DC not created yet.") );
-
- g_displayDC->getPixelFormat(pf_dummy);
- mglDepth = g_displayDC->getBitsPerPixel();
- pf = &pf_dummy;
- break;
- case 1:
- case 8:
- pf = NULL;
- break;
- case 15:
- pf = &gs_pixel_format_15;
- break;
- case 16:
- pf = &gs_pixel_format_16;
- break;
- case 24:
- pf = &gs_pixel_format_24;
- break;
- case 32:
- pf = &gs_pixel_format_32;
- break;
- default:
- wxASSERT_MSG( 0, wxT("invalid bitmap depth") );
- return FALSE;
- break;
- }
+ wxCHECK_MSG( (width > 0) && (height > 0), false, wxT("invalid bitmap size") );
- m_refData = new wxBitmapRefData();
- M_BMPDATA->m_mask = (wxMask *) NULL;
- M_BMPDATA->m_palette = (wxPalette *) NULL;
- M_BMPDATA->m_width = width;
- M_BMPDATA->m_height = height;
- M_BMPDATA->m_bpp = mglDepth;
+ m_refData = new wxBitmapRefData(width, height, depth);
- if ( mglDepth != 1 )
- {
- M_BMPDATA->m_bitmap = MyMGL_createBitmap(width, height, mglDepth, pf);
- }
- else
+ if ( depth == 1 )
{
// 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.
-
- M_BMPDATA->m_bitmap = MyMGL_createBitmap(width, height, 8, pf);
+ // set to black and all other colors set to white.
SetMonoPalette(wxColour(255, 255, 255), wxColour(0, 0, 0));
}
- return Ok();
-}
-
-bool wxBitmap::CreateFromXpm(const char **bits)
-{
- 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") )
-
- *this = wxBitmap(img);
-
- if ( wxTheBitmapList ) wxTheBitmapList->AddBitmap(this);
-
- return TRUE;
+ return IsOk();
}
-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.IsOk(), wxT("invalid image") );
+
width = image.GetWidth();
height = image.GetHeight();
if ( !Create(width, height, depth) ) return;
-
+
MGLMemoryDC idc(width, height, 24, &gs_pixel_format_wxImage,
width * 3, (void*)image.GetData(), NULL);
wxASSERT_MSG( idc.isValid(), wxT("cannot create custom MGLDC") );
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));
}
wxImage wxBitmap::ConvertToImage() const
{
- wxCHECK_MSG( Ok(), FALSE, wxT("invalid bitmap") );
+ wxCHECK_MSG( IsOk(), wxImage(), wxT("invalid bitmap") );
int width, height;
width = GetWidth();
height = GetHeight();
-
+
wxImage image(width, height);
- wxASSERT_MSG( image.Ok(), wxT("cannot create image") );
-
+ wxASSERT_MSG( image.IsOk(), wxT("cannot create image") );
+
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
// 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)
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
-{
- return (m_refData == bmp.m_refData);
-}
-
-bool wxBitmap::operator != (const wxBitmap& bmp) const
-{
- return (m_refData != bmp.m_refData);
-}
-
-bool wxBitmap::Ok() const
-{
- return (m_refData != NULL && M_BMPDATA->m_bitmap != NULL);
}
int wxBitmap::GetHeight() const
{
- wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
+ wxCHECK_MSG( IsOk(), -1, wxT("invalid bitmap") );
return M_BMPDATA->m_height;
}
int wxBitmap::GetWidth() const
{
- wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
+ wxCHECK_MSG( IsOk(), -1, wxT("invalid bitmap") );
return M_BMPDATA->m_width;
}
int wxBitmap::GetDepth() const
{
- wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
+ wxCHECK_MSG( IsOk(), -1, wxT("invalid bitmap") );
return M_BMPDATA->m_bpp;
}
wxMask *wxBitmap::GetMask() const
{
- wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") );
+ wxCHECK_MSG( IsOk(), NULL, wxT("invalid bitmap") );
return M_BMPDATA->m_mask;
}
void wxBitmap::SetMask(wxMask *mask)
{
- wxCHECK_RET( Ok(), wxT("invalid bitmap") );
+ wxCHECK_RET( IsOk(), wxT("invalid bitmap") );
+ AllocExclusive();
delete M_BMPDATA->m_mask;
M_BMPDATA->m_mask = mask;
}
{
wxBitmap *bmp = (wxBitmap*)(&icon);
*this = *bmp;
- return TRUE;
+ return true;
}
wxBitmap wxBitmap::GetSubBitmap(const wxRect& rect) const
{
- wxCHECK_MSG( Ok() &&
+ wxCHECK_MSG( IsOk() &&
(rect.x >= 0) && (rect.y >= 0) &&
(rect.x+rect.width <= M_BMPDATA->m_width) && (rect.y+rect.height <= M_BMPDATA->m_height),
wxNullBitmap, wxT("invalid bitmap or bitmap region") );
wxBitmap ret( rect.width, rect.height, M_BMPDATA->m_bpp );
- wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") );
+ wxASSERT_MSG( ret.IsOk(), wxT("GetSubBitmap error") );
if ( GetPalette() )
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;
if ( GetMask() )
{
- wxBitmap submask = GetMask()->GetBitmap()->GetSubBitmap(rect);
+ wxBitmap submask = GetMask()->GetBitmap().GetSubBitmap(rect);
ret.SetMask(new wxMask(submask));
}
void wxBitmap::SetMonoPalette(const wxColour& fg, const wxColour& bg)
{
- wxCHECK_RET( Ok(), wxT("invalid bitmap") );
+ wxCHECK_RET( IsOk(), wxT("invalid bitmap") );
+ AllocExclusive();
palette_t *mono = M_BMPDATA->m_bitmap->pal;
wxCHECK_RET( M_BMPDATA->m_bpp == 1, wxT("bitmap is not 1bpp") );
MGLDevCtx *wxBitmap::CreateTmpDC() const
{
- wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") );
+ wxCHECK_MSG( IsOk(), NULL, wxT("invalid bitmap") );
MGLDevCtx *tdc = new MGLMemoryDC(GetWidth(), GetHeight(),
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;
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 ||
+ AllocExclusive();
+
+ 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() )
+ if ( !image.LoadFile(name, type) || !image.IsOk() )
{
- 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;
}
}
- m_refData = new wxBitmapRefData();
-
return handler->LoadFile(this, name, type, -1, -1);
}
bool wxBitmap::SaveFile(const wxString& filename, wxBitmapType type, const wxPalette *palette) const
{
- wxCHECK_MSG( Ok(), FALSE, wxT("invalid bitmap") );
+ wxCHECK_MSG( IsOk(), false, wxT("invalid bitmap") );
wxBitmapHandler *handler = FindHandler(type);
- if ( handler == NULL )
+ if ( handler == NULL )
{
wxImage image = ConvertToImage();
if ( palette )
image.SetPalette(*palette);
- if ( image.Ok() )
+ if ( image.IsOk() )
return image.SaveFile(filename, type);
else
{
wxLogError("no bitmap handler for type %d defined.", type);
- return FALSE;
+ return false;
}
}
wxPalette *wxBitmap::GetPalette() const
{
- wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") );
+ wxCHECK_MSG( IsOk(), NULL, wxT("invalid bitmap") );
return M_BMPDATA->m_palette;
}
void wxBitmap::SetPalette(const wxPalette& palette)
{
- wxCHECK_RET( Ok(), wxT("invalid bitmap") );
+ wxCHECK_RET( IsOk(), wxT("invalid bitmap") );
wxCHECK_RET( GetDepth() > 1 && GetDepth() <= 8, wxT("cannot set palette for bitmap of this depth") );
- delete M_BMPDATA->m_palette;
- M_BMPDATA->m_palette = NULL;
+ AllocExclusive();
+ wxDELETE(M_BMPDATA->m_palette);
+
+ if ( !palette.IsOk() ) return;
- if ( !palette.Ok() ) return;
-
M_BMPDATA->m_palette = new wxPalette(palette);
int cnt = palette.GetColoursCount();
void wxBitmap::SetHeight(int height)
{
- if (!m_refData) m_refData = new wxBitmapRefData();
+ AllocExclusive();
M_BMPDATA->m_height = height;
}
void wxBitmap::SetWidth(int width)
{
- if (!m_refData) m_refData = new wxBitmapRefData();
+ AllocExclusive();
M_BMPDATA->m_width = width;
}
void wxBitmap::SetDepth(int depth)
{
- if (!m_refData) m_refData = new wxBitmapRefData();
+ AllocExclusive();
M_BMPDATA->m_bpp = depth;
}
return M_BMPDATA->m_bitmap;
}
+// Convert wxColour into it's quantized value in lower-precision
+// pixel format (needed for masking by colour).
+wxColour wxBitmap::QuantizeColour(const wxColour& clr) const
+{
+ pixel_format_t *pf = 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));
+}
//-----------------------------------------------------------------------------
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),
+ const 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()
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:
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->IsOk() ) 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->IsOk() ) 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->IsOk() ) 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->IsOk() ) return false;
dc.SelectObject(*bitmap);
if ( !dc.GetMGLDC()->loadPCXIntoDC(fullname.mb_str(), 0, 0, TRUE) )
- return FALSE;
+ return false;
break;
default:
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;
int w = bitmap->GetWidth(),
h = bitmap->GetHeight();
- mem.SelectObject(*bitmap);
+ mem.SelectObjectAsSource(*bitmap);
tdc = mem.GetMGLDC();
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
{
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;
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->IsOk() ) 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 )
{
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
dc.SelectObject(wxNullBitmap);
bitmap->SetMask(new wxMask(mask));
}
-
+
MGL_unloadBitmap(bmp);
-
- return TRUE;
+
+ return true;
}
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),
+ const 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()
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;
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);
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;
}
projects / wxWidgets.git / blobdiff