Bitmap CanvasGdiplus::ExtractBitmap() const
{
DCHECK(!mem_bitmap_.IsNull());
// 生成一个位图, 绘制画布内容到其中并返回.
Gdiplus::Bitmap* bitmap = mem_bitmap_.GetNativeBitmap();
Gdiplus::Rect rc_bitmap(0, 0, bitmap->GetWidth(), bitmap->GetHeight());
return Bitmap(bitmap->Clone(rc_bitmap, bitmap->GetPixelFormat()));
}
void IrisBitmap::IrisDrawText(const IrisFont* fontIris, int x, int y, int width, int height, wstring str, int align){
this->needRefreshTexture = true;
if (x > this->width || y > this->height || x < 0 || y < 0)
return;
//this->needRefreshTexture = true;
int size = IrisFont::defaultSize;
IrisColor *color;
wstring name;
bool bold, shadow, italic;
if(fontIris == NULL){
name = IrisFont::defaultName;
bold = IrisFont::defaultBold;
shadow = IrisFont::defaultShadow;
italic = IrisFont::defaultItalic;
color = IrisFont::defaultColor;
}
else
{
name = fontIris->name;
bold = fontIris->bold;
shadow = fontIris->shadow;
italic = fontIris->italic;
color = fontIris->color;
}
// release
Gdiplus::Bitmap *tBitmap = this->bitmap->Clone(0, 0, this->bitmap->GetWidth(), this->bitmap->GetHeight(), PixelFormat32bppARGB);
Graphics tg(tBitmap);
Gdiplus::FontFamily fontFamily(name.c_str());
int fs = FontStyleRegular;
if(bold)
fs |= FontStyleBold;
if(italic)
fs |= FontStyleItalic;
//lfont.lfWeight = 1000;
Gdiplus::Font font(&fontFamily, (REAL)size, fs, UnitPixel);
StringFormat strFormat;
switch(align){
case 0:
strFormat.SetAlignment(StringAlignmentNear);
break;
case 1:
strFormat.SetAlignment(StringAlignmentCenter);
break;
}
Brush *brush;
if(shadow)
brush = new HatchBrush(HatchStyle90Percent, Color(color->red, color->green, color->blue));
else
brush = new SolidBrush(Color(color->red, color->green, color->blue));
strFormat.SetFormatFlags(StringFormatFlagsNoWrap);
Gdiplus::RectF r((REAL)x, (REAL)y, (REAL)width, (REAL)height);
tg.SetSmoothingMode(SmoothingModeAntiAlias);
tg.SetInterpolationMode(InterpolationModeHighQualityBicubic);
Gdiplus::GraphicsPath path;
path.AddString(str.c_str(), str.size(), &fontFamily, FontStyleRegular, 20, r, &strFormat);
Gdiplus::Pen pen(Color(color->red, color->green, color->blue), 2);
tg.DrawPath(&pen, &path);
tg.FillPath(brush, &path);
if(this->bitmap != 0){
delete this->bitmap;
this->bitmap = 0;
}
this->bitmap = tBitmap->Clone(0, 0, tBitmap->GetWidth(), tBitmap->GetHeight(), PixelFormat32bppARGB);
//CLSID encoderClsid;
//ModuleIrisGraphics::GetEncoderClsid(L"image/png", &encoderClsid);
//this->bitmap->Save(L"string.png", &encoderClsid, NULL);
delete brush;
delete tBitmap;
}
void IrisBitmap::IrisDrawText(const IIrisFont* fontIris, int x, int y, int width, int height, wstring str, int align){
this->needRefreshTexture = true;
Gdiplus::Bitmap *tBitmap = this->bitmap->Clone(0, 0, this->bitmap->GetWidth(), this->bitmap->GetHeight(), PixelFormat32bppARGB);
Graphics tg(tBitmap);
int size = IrisFont::defaultSize;
IrisColor *color;
wstring name;
bool bold, shadow, italic;
if(fontIris == NULL){
name = IrisFont::defaultName;
bold = IrisFont::defaultBold;
shadow = IrisFont::defaultShadow;
italic = IrisFont::defaultItalic;
color = (IrisColor*)IrisFont::defaultColor;
}
else
{
name = ((IrisFont*)fontIris)->name;
bold = ((IrisFont*)fontIris)->bold;
shadow = ((IrisFont*)fontIris)->shadow;
italic = ((IrisFont*)fontIris)->italic;
color = (IrisColor*)((IrisFont*)fontIris)->color;
}
FontFamily fontFamily(name.c_str());
int fs = FontStyleRegular;
if(bold)
fs |= FontStyleBold;
if(italic)
fs |= FontStyleItalic;
Font font(&fontFamily, (REAL)size, fs, UnitWorld);
StringFormat strFormat;
switch(align){
case 0:
strFormat.SetAlignment(StringAlignmentNear);
break;
case 1:
strFormat.SetAlignment(StringAlignmentCenter);
break;
}
Brush *brush;
if(shadow)
brush = new HatchBrush(HatchStyle90Percent, Color(color->red, color->green, color->blue));
else
brush = new SolidBrush(Color(color->red, color->green, color->blue));
Color keyColor;
if(color->red == 0 || color->blue == 0 || color-> green == 0)
keyColor = Color::MakeARGB(255, 255, 255, 255);
else
keyColor = Color::MakeARGB(255, color->red - 1, color->green - 1, color->blue - 1);
Gdiplus::PointF point((REAL)x, (REAL)y);
strFormat.SetFormatFlags(StringFormatFlagsNoWrap);
Gdiplus::RectF r((REAL)x, (REAL)y, (REAL)width, (REAL)height);
tg.DrawString(str.c_str(), str.length(), &font, r, &strFormat, brush);
if(this->bitmap != 0){
delete this->bitmap;
this->bitmap = 0;
}
this->bitmap = tBitmap->Clone(0, 0, tBitmap->GetWidth(), tBitmap->GetHeight(), PixelFormat32bppARGB);
delete brush;
delete tBitmap;
}
BOOL CPictureCtrl::Show(LPCTSTR pcszFile,UINT nDrawFlag)
{
USES_CONVERSION;
if (pcszFile == NULL)
{
if (m_nTimerId != 0)
{
KillTimer(m_nTimerId);
m_nTimerId = 0;
}
if (m_pImage != NULL)
{
delete m_pImage;
m_pImage = NULL;
Invalidate(FALSE);
}
m_strFilePath.Empty();
return TRUE;
}
else
{
Gdiplus::Bitmap *pSrcImage = Gdiplus::Bitmap::FromFile(T2CW(pcszFile));
if (pSrcImage == NULL)
return FALSE;
if (pSrcImage->GetLastStatus() != Gdiplus::Ok)
{
delete pSrcImage;
return FALSE;
}
Gdiplus::Bitmap *pImage = pSrcImage->Clone(0,0,pSrcImage->GetWidth(),
pSrcImage->GetHeight(),def_gplusPixFormat);
delete pSrcImage;
if (pSrcImage == NULL)
return FALSE;
Show(NULL,0);
m_nDrawFlag = nDrawFlag;
m_pImage = pImage;
UINT nDimCount = m_pImage->GetFrameDimensionsCount();
CArray<GUID,GUID&> dimGuids;
dimGuids.SetSize(nDimCount);
m_pImage->GetFrameDimensionsList(dimGuids.GetData(), nDimCount);
m_nFrameCount = pImage->GetFrameCount(dimGuids.GetData());
if (m_nFrameCount > 1)
{
m_dimGuid = dimGuids[0];
int nSize = pImage->GetPropertyItemSize(PropertyTagFrameDelay);
m_propItem.SetSize(nSize);
pImage->GetPropertyItem(PropertyTagFrameDelay, nSize,
(Gdiplus::PropertyItem*)m_propItem.GetData());
m_nCurFrame = 0;
m_nTimerId = SetTimer(TIMER_ID,GetFrameDelay(),NULL);
}
Invalidate(FALSE);
m_dwSampleTick = GetTickCount();
m_strFilePath = pcszFile;
return TRUE;
}
}
