HBITMAP cdwCreateDIBSection(cdwDIB* dib, HDC hDC) { HBITMAP hbitmap; BYTE *pvBits; BITMAPINFO* bmi = malloc(sizeof(BITMAPINFO)); bmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); bmi->bmiHeader.biWidth = dib->w; bmi->bmiHeader.biHeight = dib->h; bmi->bmiHeader.biPlanes = 1; bmi->bmiHeader.biBitCount = dib->type==0? 24: 32; bmi->bmiHeader.biCompression = BI_RGB; bmi->bmiHeader.biXPelsPerMeter = (long)(GetDeviceCaps(hDC, LOGPIXELSX) / 0.0254); bmi->bmiHeader.biYPelsPerMeter = (long)(GetDeviceCaps(hDC, LOGPIXELSY) / 0.0254); bmi->bmiHeader.biSizeImage = 0; bmi->bmiHeader.biClrUsed = 0; bmi->bmiHeader.biClrImportant = 0; hbitmap = CreateDIBSection(hDC, bmi, DIB_RGB_COLORS, &pvBits, NULL, 0x0); if (hbitmap) { cdwDIBReference(dib, (BYTE*)bmi, pvBits); /* restore correct type */ if (bmi->bmiHeader.biBitCount == 32) dib->type = 2; } else free(bmi); return hbitmap; }
void cdwCreateDIBRefBits(cdwDIB* dib, unsigned char *bits) { BITMAPINFO* bmi = malloc(sizeof(BITMAPINFO)); bmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); bmi->bmiHeader.biWidth = dib->w; bmi->bmiHeader.biHeight = dib->h; bmi->bmiHeader.biPlanes = 1; bmi->bmiHeader.biBitCount = dib->type==0? 24: 32; bmi->bmiHeader.biCompression = BI_RGB; bmi->bmiHeader.biXPelsPerMeter = 0; bmi->bmiHeader.biYPelsPerMeter = 0; bmi->bmiHeader.biSizeImage = 0; bmi->bmiHeader.biClrUsed = 0; bmi->bmiHeader.biClrImportant = 0; cdwDIBReference(dib, (BYTE*)bmi, bits); /* restore correct type */ if (bmi->bmiHeader.biBitCount == 32) dib->type = 2; }
/* %F cdPlay para Clipboard. Interpreta os dados do clipboard, seja metafile ou bitmap. */ static int cdplay(cdCanvas* canvas, int xmin, int xmax, int ymin, int ymax, void *data) { char filename[10240]; HANDLE hFile; DWORD dwSize, nBytesWrite; int err; unsigned char* buffer; (void)data; if (IsClipboardFormatAvailable(CF_TEXT)) { HANDLE Handle; if (!cdStrTmpFileName(filename)) return CD_ERROR; OpenClipboard(NULL); Handle = GetClipboardData(CF_TEXT); if (Handle == NULL) { CloseClipboard(); return CD_ERROR; } buffer = (unsigned char*)GlobalLock(Handle); dwSize = (DWORD)GlobalSize(Handle); hFile = CreateFile(filename, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, NULL); WriteFile(hFile, buffer, dwSize, &nBytesWrite, NULL); CloseHandle(hFile); GlobalUnlock(Handle); CloseClipboard(); err = cdCanvasPlay(canvas, CD_METAFILE, xmin, xmax, ymin, ymax, filename); DeleteFile(filename); if (err == CD_OK) return err; } if (IsClipboardFormatAvailable(CF_ENHMETAFILE)) { HENHMETAFILE Handle; if (!cdStrTmpFileName(filename)) return CD_ERROR; OpenClipboard(NULL); Handle = (HENHMETAFILE)GetClipboardData(CF_ENHMETAFILE); if (Handle == NULL) { CloseClipboard(); return CD_ERROR; } dwSize = GetEnhMetaFileBits(Handle, 0, NULL); buffer = (unsigned char*)malloc(dwSize); GetEnhMetaFileBits(Handle, dwSize, buffer); hFile = CreateFile(filename, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, NULL); WriteFile(hFile, buffer, dwSize, &nBytesWrite, NULL); CloseHandle(hFile); free(buffer); CloseClipboard(); err = cdCanvasPlay(canvas, CD_EMF, xmin, xmax, ymin, ymax, filename); DeleteFile(filename); return err; } if (IsClipboardFormatAvailable(CF_METAFILEPICT)) { HANDLE Handle; METAFILEPICT* lpMFP; if (!cdStrTmpFileName(filename)) return CD_ERROR; OpenClipboard(NULL); Handle = GetClipboardData(CF_METAFILEPICT); if (Handle == NULL) { CloseClipboard(); return CD_ERROR; } lpMFP = (METAFILEPICT*) GlobalLock(Handle); dwSize = GetMetaFileBitsEx(lpMFP->hMF, 0, NULL); buffer = (unsigned char*)malloc(dwSize); GetMetaFileBitsEx(lpMFP->hMF, dwSize, buffer); hFile = CreateFile(filename, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, NULL); wmfWritePlacebleFile(hFile, buffer, dwSize, lpMFP->mm, lpMFP->xExt, lpMFP->yExt); CloseHandle(hFile); GlobalUnlock(Handle); free(buffer); CloseClipboard(); err = cdCanvasPlay(canvas, CD_WMF, xmin, xmax, ymin, ymax, filename); DeleteFile(filename); return err; } if (IsClipboardFormatAvailable(CF_DIB)) { HANDLE Handle; int size; cdwDIB dib; OpenClipboard(NULL); Handle = GetClipboardData(CF_DIB); if (Handle == NULL) { CloseClipboard(); return CD_ERROR; } cdwDIBReference(&dib, (BYTE*) GlobalLock(Handle), NULL); if (dib.type == -1) { GlobalUnlock(Handle); CloseClipboard(); return CD_ERROR; } if (cdsizecb) { int err; err = cdsizecb(canvas, dib.w, dib.h, dib.w, dib.h); if (err) { GlobalUnlock(Handle); CloseClipboard(); return CD_ERROR; } } size = dib.w*dib.h; if (xmax == 0) xmax = dib.w + xmin - 1; if (ymax == 0) ymax = dib.h + ymin - 1; if (dib.type == 0) { unsigned char *r, *g, *b; r = (unsigned char*)malloc(size); g = (unsigned char*)malloc(size); b = (unsigned char*)malloc(size); cdwDIBDecodeRGB(&dib, r, g, b); cdCanvasPutImageRectRGB(canvas, dib.w, dib.h, r, g, b, xmin, ymin, xmax - xmin + 1, ymax - ymin + 1, 0, 0, 0, 0); free(r); free(g); free(b); } else { unsigned char *index; long *colors; index = (unsigned char*)malloc(size); colors = (long*)malloc(256*sizeof(long)); cdwDIBDecodeMap(&dib, index, colors); cdCanvasPutImageRectMap(canvas, dib.w, dib.h, index, colors, xmin, ymin, xmax - xmin + 1, ymax - ymin + 1, 0, 0, 0, 0); free(index); free(colors); } GlobalUnlock(Handle); CloseClipboard(); return CD_ERROR; } if (IsClipboardFormatAvailable(CF_BITMAP)) { HBITMAP Handle; int size, type; cdwDIB dib; HDC ScreenDC; SIZE sz; OpenClipboard(NULL); Handle = GetClipboardData(CF_BITMAP); if (Handle == NULL) { CloseClipboard(); return CD_ERROR; } GetBitmapDimensionEx(Handle, &sz); ScreenDC = GetDC(NULL); if (GetDeviceCaps(ScreenDC, BITSPIXEL) > 8) type = 0; else type = 1; dib.w = sz.cx; dib.h = sz.cy; dib.type = type; if (cdsizecb) { int err; err = cdsizecb(canvas, dib.w, dib.h, dib.w, dib.h); if (err) { ReleaseDC(NULL, ScreenDC); CloseClipboard(); return CD_ERROR; } } cdwCreateDIB(&dib); GetDIBits(ScreenDC, Handle, 0, sz.cy, dib.bits, dib.bmi, DIB_RGB_COLORS); ReleaseDC(NULL, ScreenDC); size = dib.w*dib.h; if (dib.type == 0) { unsigned char *r, *g, *b; r = (unsigned char*)malloc(size); g = (unsigned char*)malloc(size); b = (unsigned char*)malloc(size); cdwDIBDecodeRGB(&dib, r, g, b); cdCanvasPutImageRectRGB(canvas, dib.w, dib.h, r, g, b, 0, 0, dib.w, dib.h, 0, 0, 0, 0); free(r); free(g); free(b); } else { unsigned char *index; long *colors; index = (unsigned char*)malloc(size); colors = (long*)malloc(256*sizeof(long)); cdwDIBDecodeMap(&dib, index, colors); cdCanvasPutImageRectMap(canvas, dib.w, dib.h, index, colors, 0, 0, dib.w, dib.h, 0, 0, 0, 0); free(index); free(colors); } cdwKillDIB(&dib); CloseClipboard(); return CD_ERROR; } return CD_ERROR; }