diff options
Diffstat (limited to 'splashscreen/src/bitmap_funcs.cpp')
| -rw-r--r-- | splashscreen/src/bitmap_funcs.cpp | 362 |
1 files changed, 0 insertions, 362 deletions
diff --git a/splashscreen/src/bitmap_funcs.cpp b/splashscreen/src/bitmap_funcs.cpp deleted file mode 100644 index 09ded3a..0000000 --- a/splashscreen/src/bitmap_funcs.cpp +++ /dev/null @@ -1,362 +0,0 @@ -#include "headers.h"
-#include "bitmap_funcs.h"
-
-BOOL (WINAPI *_mempng2dib) (BYTE*, DWORD, BITMAPINFOHEADER**);
-
-MyBitmap::MyBitmap()
-{
- dcBmp = 0;
- hBmp = 0;
- bits = 0;
- width = height = 0;
- bitsSave = 0;
-}
-
-MyBitmap::MyBitmap(int w, int h)
-{
- dcBmp = 0;
- hBmp = 0;
- bits = 0;
- width = height = 0;
- bitsSave = 0;
- allocate(w,h);
-}
-
-MyBitmap::MyBitmap(TCHAR *fn, TCHAR *fnAlpha)
-{
- dcBmp = 0;
- hBmp = 0;
- bits = 0;
- width = height = 0;
- bitsSave = 0;
- loadFromFile(fn, fnAlpha);
-}
-
-MyBitmap::~MyBitmap()
-{
- if (bitsSave)
- delete [] bitsSave;
- free();
-}
-
-void MyBitmap::makeOpaque()
-{
- if (!bits) return;
-
- for (int i = 0; i < width*height; i++)
- bits[i] |= 0xff000000;
-}
-
-void MyBitmap::saveAlpha(int x, int y, int w, int h)
-{
- if (bitsSave)
- delete [] bitsSave;
-
- if (!w) w = width;
- if (!h) h = height;
-
- bitsSave = new COLOR32[w*h];
- COLOR32 *p1 = bitsSave;
-
- for (int i = 0; i < h; i++)
- {
- if (i+y < 0) continue;
- if (i+y >= height) break;
- COLOR32 *p2 = bits + (y+i)*width + x;
- for (int j = 0; j < w; j++)
- {
- if (j+x < 0) continue;
- if (j+x >= width) break;
- *p1++ = *p2++;
- }
- }
-}
-
-void MyBitmap::restoreAlpha(int x, int y, int w, int h)
-{
- if (!bitsSave)
- return;
-
- if (!w) w = width;
- if (!h) h = height;
-
- COLOR32 *p1 = bitsSave;
-
- for (int i = 0; i < h; i++)
- {
- if (i+y < 0) continue;
- if (i+y >= height) break;
- COLOR32 *p2 = bits + (y+i)*width + x;
- for (int j = 0; j < w; j++)
- {
- if (j+x < 0) continue;
- if (j+x >= width) break;
- if ((*p1&0x00ffffff) != (*p2&0x00ffffff))
- {
- *p2 |= 0xff000000;
- } else
- {
- *p2 = (*p2&0x00ffffff) | (*p1&0xff000000);
- }
- ++p1;
- ++p2;
- }
- }
-
- delete [] bitsSave;
- bitsSave = 0;
-}
-
-void MyBitmap::Blend(MyBitmap *bmp, int x, int y, int w, int h)
-{
- if (!(bits && bmp && bmp->bits)) return;
-
- if (!w) w = bmp->width;
- if (!h) h = bmp->height;
- float kx = (float)bmp->width / w;
- float ky = (float)bmp->height / h;
-
- if (x+w >= this->getWidth())
- w = this->getWidth() - x;
- if (y+h >= this->getHeight())
- h = this->getHeight() - y;
-
- for (int i = 0; i < h; i++)
- {
- if (i+y < 0) continue;
- if (i+y >= height) break;
- for (int j = 0; j < w; j++)
- {
- if (j+x < 0) continue;
- if (j+x >= width) break;
- COLOR32 src = bmp->bits[int(i*ky)*bmp->width + int(j*kx)];
- COLOR32 dst = bits[(i+y)*width + (j+x)];
- long alpha = geta(src);
- bits[(i+y)*width + (j+x)] = rgba(
- getr(src)+(255-alpha)*getr(dst)/255,
- getg(src)+(255-alpha)*getg(dst)/255,
- getb(src)+(255-alpha)*getb(dst)/255,
- geta(src)+(255-alpha)*geta(dst)/255
- );
- }
- }
-}
-
-void MyBitmap::DrawText(TCHAR *str, int x, int y)
-{
- SIZE sz; GetTextExtentPoint32(this->getDC(), str, lstrlen(str), &sz);
- RECT rc; SetRect(&rc, x, y, x+10000, y+10000);
- this->saveAlpha(x-2,y-2,sz.cx+2,sz.cy+2);
- ::DrawText(this->getDC(), str, (int)_tcslen(str), &rc, DT_LEFT | DT_TOP | DT_SINGLELINE | DT_NOPREFIX);
- this->restoreAlpha(x-2,y-2,sz.cx+2,sz.cy+2);
- //(x,y,sz.cx,sz.cy);
-}
-
-HRGN MyBitmap::buildOpaqueRgn()
-{
- return CreateRectRgn(0, 0, width, height);
-
- //
- int i, rectCount = 0;
- for (i = 0; i < width*height; i++)
- if (((bits[i] >> 24)&0xff) >= 128)
- rectCount++;
-
- RGNDATA *rgnData = (RGNDATA *)malloc(sizeof(RGNDATAHEADER) + rectCount * sizeof(RECT));
- rgnData->rdh.dwSize = sizeof(RGNDATAHEADER);
- rgnData->rdh.iType = RDH_RECTANGLES;
- rgnData->rdh.nCount = rectCount;
- rgnData->rdh.nRgnSize = rectCount * sizeof(RECT);
- SetRect(&(rgnData->rdh.rcBound), 0, 0, width, height);
-
- char *p = (char *)&(rgnData->Buffer);
- for (i = 0; i < width*height; i++)
- if (((bits[i] >> 24)&0xff) >= 128)
- {
- SetRect((LPRECT)p, i%width,i/width,i%width+1,i/width+1);
- p += sizeof(RECT);
- }
-
- HRGN rgn = ExtCreateRegion(NULL, sizeof(RGNDATAHEADER) + rectCount * sizeof(RECT), rgnData);
- ::free(rgnData);
-
- return rgn;
-}
-
-bool MyBitmap::loadFromFile(TCHAR *fn, TCHAR *fnAlpha)
-{
- if (bits) free();
-
- SIZE sz;
-
- TCHAR *ext;
- ext = &fn[lstrlen(fn)-4];
-
- if (!lstrcmpi(ext, _T(".png")))
- {
- HANDLE hFile, hMap = NULL;
- BYTE* ppMap = NULL;
- long cbFileSize = 0;
- BITMAPINFOHEADER* pDib;
- BYTE* pDibBits = 0;
-
- if (!png2dibConvertor) {
- return false;
- }
-
- if ((hFile = CreateFile(fn, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL)) != INVALID_HANDLE_VALUE)
- if ((hMap = CreateFileMapping(hFile, NULL, PAGE_READONLY, 0, 0, NULL)) != NULL)
- if ((ppMap = (BYTE*)MapViewOfFile( hMap, FILE_MAP_READ, 0, 0, 0 )) != NULL)
- cbFileSize = GetFileSize(hFile, NULL);
- if ( cbFileSize != 0 )
- {
- PNG2DIB param;
- param.pSource = ppMap;
- param.cbSourceSize = cbFileSize;
- param.pResult = &pDib;
-
- if (png2dibConvertor((char*)param.pSource, param.cbSourceSize, param.pResult))
- pDibBits = (BYTE*)(pDib+1);
- else
- cbFileSize = 0;
- #ifdef _DEBUG
- logMessage(_T("Loading splash file"), _T("done"));
- #endif
- }
-
- if (ppMap) UnmapViewOfFile(ppMap);
- if (hMap) CloseHandle(hMap);
- if (hFile) CloseHandle(hFile);
-
- if (!cbFileSize) return false;
-
- BITMAPINFO *bi=(BITMAPINFO*)pDib;
- BYTE *pt=(BYTE*)bi;
- pt+=bi->bmiHeader.biSize;
- HBITMAP hBitmap = NULL;
-
- if (bi->bmiHeader.biBitCount!=32)
- {
- allocate(abs(bi->bmiHeader.biWidth), abs(bi->bmiHeader.biHeight));
- HDC hdcTmp = CreateCompatibleDC(getDC());
- HBITMAP hBitmap = CreateDIBitmap(getDC(), pDib, CBM_INIT, pDibBits, bi, DIB_PAL_COLORS);
- SelectObject(hdcTmp, hBitmap);
- BitBlt(this->getDC(), 0, 0, abs(bi->bmiHeader.biWidth), abs(bi->bmiHeader.biHeight), hdcTmp, 0, 0, SRCCOPY);
- this->makeOpaque();
- DeleteDC(hdcTmp);
- DeleteObject(hBitmap);
-
- }
- else
- {
- BYTE *ptPixels = pt;
- hBitmap = CreateDIBSection(NULL, bi, DIB_RGB_COLORS, (void **)&ptPixels, NULL, 0);
- memcpy(ptPixels,pt,bi->bmiHeader.biSizeImage);
-
- allocate(abs(bi->bmiHeader.biWidth), abs(bi->bmiHeader.biHeight));
- //memcpy(bits, pt, bi->bmiHeader.biSizeImage);
-
- BYTE *p2=(BYTE *)pt;
- for (int y=0; y<bi->bmiHeader.biHeight; ++y)
- {
- BYTE *p1=(BYTE *)bits + (bi->bmiHeader.biHeight-y-1)*bi->bmiHeader.biWidth*4;
- for (int x=0; x<bi->bmiHeader.biWidth; ++x)
- {
- p1[0]= p2[0];
- p1[1]= p2[1];
- p1[2]= p2[2];
- p1[3]= p2[3];
- p1 += 4;
- p2 += 4;
- }
- }
-
- premultipleChannels();
- }
-
- GlobalFree(pDib);
- DeleteObject(hBitmap);
- return true;
- } else
- {
- HBITMAP hBmpLoaded = (HBITMAP)LoadImage(NULL, fn, IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE);
- if (!hBmpLoaded)
- {
- #ifdef _DEBUG
- logMessage(_T("MyBitmap::loadFromFile"), _T("Bitmap load failed"));
- #endif
- return false;
- }
-
- BITMAP bm; GetObject(hBmpLoaded, sizeof(bm), &bm);
- SetBitmapDimensionEx(hBmpLoaded, bm.bmWidth, bm.bmHeight, NULL);
-
- HDC dcTmp = CreateCompatibleDC(0);
- GetBitmapDimensionEx(hBmpLoaded, &sz);
- HBITMAP hBmpDcSave = (HBITMAP)SelectObject(dcTmp, hBmpLoaded);
-
- allocate(sz.cx, sz.cy);
- BitBlt(dcBmp, 0, 0, width, height, dcTmp, 0, 0, SRCCOPY);
-
- DeleteObject(SelectObject(dcTmp, hBmpDcSave));
- DeleteDC(dcTmp);
-
- MyBitmap alpha;
- if (fnAlpha && alpha.loadFromFile(fnAlpha) &&
- (alpha.getWidth() == width) &&
- (alpha.getHeight() == height) )
- {
- for (int i = 0; i < width*height; i++)
- bits[i] = (bits[i] & 0x00ffffff) | ( (alpha.bits[i] & 0x000000ff) << 24 );
- premultipleChannels();
- } else
- {
- makeOpaque();
- }
- return true;
- }
- // unreachable place
- return false;
-}
-
-void MyBitmap::allocate(int w, int h)
-{
- width = w;
- height = h;
-
- BITMAPINFO bi;
-
- bi.bmiHeader.biSize = sizeof(bi.bmiHeader);
- bi.bmiHeader.biWidth = w;
- bi.bmiHeader.biHeight = -h;
- bi.bmiHeader.biPlanes = 1;
- bi.bmiHeader.biBitCount = 32;
- bi.bmiHeader.biCompression = BI_RGB;
-
- if (dcBmp)
- {
- DeleteObject(SelectObject(dcBmp, hBmpSave));
- DeleteDC(dcBmp);
- }
-
- hBmp = (HBITMAP)CreateDIBSection(0, &bi, DIB_RGB_COLORS, (void **)&bits, 0, 0);
- dcBmp = CreateCompatibleDC(0);
- hBmpSave = (HBITMAP)SelectObject(dcBmp, hBmp);
-}
-
-void MyBitmap::free()
-{
- DeleteObject(SelectObject(dcBmp, hBmpSave));
- DeleteDC(dcBmp);
-
- dcBmp = 0;
- hBmp = 0;
- bits = 0;
- width = height = 0;
-}
-
-void MyBitmap::premultipleChannels()
-{
- for (int i = 0; i < width*height; i++)
- bits[i] = rgba(getr(bits[i])*geta(bits[i])/255, getg(bits[i])*geta(bits[i])/255, getb(bits[i])*geta(bits[i])/255, geta(bits[i]));
-}
\ No newline at end of file |