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/*
* test for gdi+
*/
#include "hdr/modern_commonheaders.h"
#undef Translate //otherwise will conflict with gdi plus Translate
#include <gdiplus.h>
#include "hdr/modern_global_structure.h"
using namespace Gdiplus;
int mir_strlen(const char *a);
HBITMAP ske_CreateDIB32(int cx, int cy);
BYTE saved_alpha;
ULONG_PTR g_gdiplusToken;
int g_hottrack;
void InitGdiPlus(void)
{
GdiplusStartupInput gdiplusStartupInput;
if (g_gdiplusToken == 0)
GdiplusStartup(&g_gdiplusToken, &gdiplusStartupInput, NULL);
}
void ShutdownGdiPlus(void)
{
GdiplusStartupInput gdiplusStartupInput;
if (g_gdiplusToken)
GdiplusShutdown(g_gdiplusToken);
g_gdiplusToken = 0;
}
static ColorMatrix ClrMatrix =
{
1.0f, 0.0f, 0.0f, 0.0f, 0.0f,
0.0f, 1.0f, 0.0f, 0.0f, 0.0f,
0.0f, 0.0f, 1.0f, 0.0f, 0.0f,
0.0f, 0.0f, 0.0f, 0.5f, 0.0f,
0.0f, 0.0f, 0.0f, 0.0f, 1.0f
};
DWORD argb_from_cola(COLORREF col, BYTE alpha)
{
return((BYTE) (alpha) << 24 | col);
}
HBITMAP GDIPlus_LoadGlyphImage(const TCHAR *tszFileName)
{
// Create a Bitmap object from a JPEG file.
Bitmap bitmap(tszFileName, 0);
// Clone a portion of the bitmap.
Bitmap* clone = bitmap.Clone(0, 0, bitmap.GetWidth(), bitmap.GetHeight(), PixelFormat32bppPARGB);
HBITMAP hbmp = NULL;
if (clone) {
clone->GetHBITMAP(Color(0, 0, 0),&hbmp);
delete clone;
}
return hbmp;
}
void TextOutWithGDIp(HDC hDestDC, int x, int y, LPCTSTR lpString, int nCount)
{
}
void DrawAvatarImageWithGDIp(HDC hDestDC,int x, int y, DWORD width, DWORD height, HBITMAP hbmp, int x1, int y1, DWORD width1, DWORD height1,DWORD flag,BYTE alpha)
{
BITMAP bmp;
Bitmap *bm;
BYTE * bmbits = NULL;
GetObject(hbmp,sizeof(BITMAP),&bmp);
Graphics g(hDestDC);
if (bmp.bmBitsPixel == 32 && (flag&AVS_PREMULTIPLIED)) {
bmbits = (BYTE*)bmp.bmBits;
if (!bmbits) {
bmbits = (BYTE*)malloc(bmp.bmHeight*bmp.bmWidthBytes);
GetBitmapBits(hbmp,bmp.bmHeight*bmp.bmWidthBytes,bmbits);
}
bm = new Bitmap(bmp.bmWidth,bmp.bmHeight,bmp.bmWidthBytes,PixelFormat32bppPARGB,bmbits);
bm->RotateFlip(RotateNoneFlipY);
if (!bmp.bmBits) {
bm->RotateFlip(RotateNoneFlipY);
free(bmbits);
}
}
else bm = new Bitmap(hbmp,NULL);
ImageAttributes attr;
ColorMatrix ClrMatrix =
{
1.0f, 0.0f, 0.0f, 0.0f, 0.0f,
0.0f, 1.0f, 0.0f, 0.0f, 0.0f,
0.0f, 0.0f, 1.0f, 0.0f, 0.0f,
0.0f, 0.0f, 0.0f, ((float)alpha)/255, 0.0f,
0.0f, 0.0f, 0.0f, 0.0f, 1.0f
};
attr.SetColorMatrix(&ClrMatrix, ColorMatrixFlagsDefault,ColorAdjustTypeBitmap);
g.SetInterpolationMode(InterpolationModeHighQualityBicubic);
RectF rect((float)x,(float)y,(float)width,(float)height);
g.DrawImage(bm, rect, (float)x1, (float)y1, (float)width1, (float)height1 , UnitPixel, &attr, NULL, NULL);
delete bm;
}
BOOL GDIPlus_AlphaBlend(HDC hdcDest,int nXOriginDest,int nYOriginDest,int nWidthDest,int nHeightDest,HDC hdcSrc,int nXOriginSrc,int nYOriginSrc,int nWidthSrc,int nHeightSrc, BLENDFUNCTION * bf)
{
Graphics g(hdcDest);
BITMAP bmp;
HBITMAP hbmp = (HBITMAP)GetCurrentObject(hdcSrc,OBJ_BITMAP);
GetObject(hbmp,sizeof(BITMAP),&bmp);
Bitmap *bm;
if (bmp.bmBitsPixel == 32 && bf->AlphaFormat) {
bm = new Bitmap(bmp.bmWidth,bmp.bmHeight,bmp.bmWidthBytes,PixelFormat32bppPARGB,(BYTE*)bmp.bmBits);
bm->RotateFlip(RotateNoneFlipY);
}
else bm = new Bitmap(hbmp, NULL);
ImageAttributes attr;
ColorMatrix ClrMatrix =
{
1.0f, 0.0f, 0.0f, 0.0f, 0.0f,
0.0f, 1.0f, 0.0f, 0.0f, 0.0f,
0.0f, 0.0f, 1.0f, 0.0f, 0.0f,
0.0f, 0.0f, 0.0f, ((float)bf->SourceConstantAlpha)/255, 0.0f,
0.0f, 0.0f, 0.0f, 0.0f, 1.0f
};
attr.SetColorMatrix(&ClrMatrix, ColorMatrixFlagsDefault,ColorAdjustTypeBitmap);
if (bf->BlendFlags&128 && nWidthDest < nWidthSrc && nHeightDest < nHeightSrc) {
g.SetInterpolationMode(InterpolationModeHighQualityBicubic);
g.SetPixelOffsetMode(PixelOffsetModeHalf);
attr.SetGamma((REAL)0.8,ColorAdjustTypeBitmap);
}
else g.SetInterpolationMode(InterpolationModeLowQuality);
RectF rect((float)nXOriginDest,(float)nYOriginDest,(float)nWidthDest,(float)nHeightDest);
g.DrawImage(bm, rect, (float)nXOriginSrc, (float)nYOriginSrc, (float)nWidthSrc, (float)nHeightSrc , UnitPixel, &attr, NULL, NULL);
delete bm;
return TRUE;
}
COLORREF __inline _revcolref(COLORREF colref)
{
return RGB(GetBValue(colref), GetGValue(colref), GetRValue(colref));
}
/////////////////////////////////////////////////////////////////////////////////
// GDIPlus_IsAnimatedGIF and GDIPlus_ExtractAnimatedGIF
// based on routine from http://www.codeproject.com/vcpp/gdiplus/imageexgdi.asp
//
BOOL GDIPlus_IsAnimatedGif (TCHAR * szName)
{
int nFrameCount = 0;
Image image(szName);
UINT count = 0;
count = image.GetFrameDimensionsCount();
GUID* pDimensionIDs = new GUID[count];
// Get the list of frame dimensions from the Image object.
image.GetFrameDimensionsList(pDimensionIDs, count);
// Get the number of frames in the first dimension.
nFrameCount = image.GetFrameCount(&pDimensionIDs[0]);
delete[] pDimensionIDs;
return (BOOL)(nFrameCount > 1);
}
void GDIPlus_ExtractAnimatedGIF (TCHAR * szName, int width, int height, HBITMAP * pBitmap, int ** pframesDelay, int * pframesCount, SIZE * pSizeAvatar)
{
int nFrameCount = 0;
Bitmap image(szName);
PropertyItem * pPropertyItem;
UINT count = 0;
count = image.GetFrameDimensionsCount();
GUID* pDimensionIDs = new GUID[count];
// Get the list of frame dimensions from the Image object.
image.GetFrameDimensionsList(pDimensionIDs, count);
// Get the number of frames in the first dimension.
nFrameCount = image.GetFrameCount(&pDimensionIDs[0]);
// Assume that the image has a property item of type PropertyItemEquipMake.
// Get the size of that property item.
int nSize = image.GetPropertyItemSize(PropertyTagFrameDelay);
// Allocate a buffer to receive the property item.
pPropertyItem = (PropertyItem*) malloc(nSize);
image.GetPropertyItem(PropertyTagFrameDelay, nSize, pPropertyItem);
int clipWidth;
int clipHeight;
int imWidth = image.GetWidth();
int imHeight = image.GetHeight();
float xscale = (float)width/imWidth;
float yscale = (float)height/imHeight;
xscale = min(xscale,yscale);
clipWidth = (int)(xscale*imWidth+.5);
clipHeight = (int)(xscale*imHeight+.5);
HBITMAP hBitmap = ske_CreateDIB32(clipWidth*nFrameCount, height);
HDC hdc = CreateCompatibleDC(NULL);
HBITMAP oldBmp = (HBITMAP)SelectObject(hdc,hBitmap);
Graphics graphics(hdc);
ImageAttributes attr;
graphics.SetInterpolationMode( InterpolationModeHighQualityBicubic );
graphics.SetPixelOffsetMode( PixelOffsetModeHalf );
int * delays = (int*)malloc(nFrameCount*sizeof(int));
memset(delays, 0, nFrameCount*sizeof(int));
GUID pageGuid = FrameDimensionTime;
/*
The GDIPlus strange behavior: without next 2 lines it will draw first frame anti aliased, but next - not
*/
if ( nFrameCount > 1 )
image.SelectActiveFrame(&pageGuid, 1 );
for (int i=0; i < nFrameCount; i++)
{
image.SelectActiveFrame( &pageGuid, i );
graphics.DrawImage( &image, Rect(i*clipWidth, 0, clipWidth,clipHeight ), 0, 0, imWidth, imHeight , UnitPixel, &attr);
long lPause = ((long*) pPropertyItem->value)[i] * 10;
delays[i] = (int)lPause;
}
SelectObject(hdc,oldBmp);
DeleteDC(hdc);
free(pPropertyItem);
delete[] pDimensionIDs;
if (pBitmap && pframesDelay && pframesCount && pSizeAvatar)
{
*pBitmap = hBitmap;
*pframesDelay = delays;
*pframesCount = nFrameCount;
pSizeAvatar->cx = clipWidth;
pSizeAvatar->cy = clipHeight;
}
GdiFlush();
}
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