| 1 | /* $Id: oslibgdi.cpp,v 1.2 1999-12-09 16:49:45 cbratschi Exp $ */
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| 2 |
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| 3 | /*
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| 4 | * GDI32 support code
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| 5 | *
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| 6 | * Copyright 1999 Edgar Buerkle (Edgar.Buerkle@gmx.net)
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| 7 | *
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| 8 | * Project Odin Software License can be found in LICENSE.TXT
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| 9 | *
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| 10 | */
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| 11 | #define INCL_GPI
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| 12 | #define INCL_WIN
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| 13 | #include <os2wrap.h> //Odin32 OS/2 api wrappers
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| 14 | #include <stdlib.h>
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| 15 | #include <string.h>
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| 16 | #include <win32type.h>
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| 17 | #include <misc.h>
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| 18 | #define OS2_ONLY
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| 19 | #include "dibsect.h"
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| 20 | #include "oslibgdi.h"
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| 21 |
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| 22 | //******************************************************************************
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| 23 | //******************************************************************************
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| 24 | INT OSLibSetDIBitsToDevice(HDC hdc, INT xDest, INT yDest, DWORD cx, DWORD cy,
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| 25 | INT xSrc, INT ySrc, UINT startscan, UINT lines,
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| 26 | LPCVOID bits, WINBITMAPINFOHEADER *info,
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| 27 | UINT coloruse)
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| 28 | {
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| 29 | INT result;
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| 30 | POINTL points[4];
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| 31 |
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| 32 | // This is a quick hack. Only tested with winmine. Need much more testing.
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| 33 | // TODO: check parameter and info structure
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| 34 | lines = (int)lines >= 0 ? (int)lines : (int)-lines;
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| 35 |
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| 36 | #if 0 // WINE990508
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| 37 | tmpheight = height = info->bmiHeader.biHeight;
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| 38 | width = info->bmiHeader.biWidth;
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| 39 | if (height < 0) height = -height;
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| 40 | if (!lines || (startscan >= height)) return 0;
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| 41 | if (startscan + lines > height) lines = height - startscan;
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| 42 | if (ySrc < startscan) ySrc = startscan;
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| 43 | else if (ySrc >= startscan + lines) return 0;
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| 44 | if (xSrc >= width) return 0;
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| 45 | if (ySrc + cy >= startscan + lines) cy = startscan + lines - ySrc;
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| 46 | if (xSrc + cx >= width) cx = width - xSrc;
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| 47 | if (!cx || !cy) return 0;
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| 48 |
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| 49 | descr.dc = dc;
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| 50 | descr.bits = bits;
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| 51 | descr.image = NULL;
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| 52 | descr.lines = tmpheight >= 0 ? lines : -lines;
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| 53 | descr.infoWidth = width;
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| 54 | descr.depth = dc->w.bitsPerPixel;
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| 55 | descr.drawable = physDev->drawable;
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| 56 | descr.gc = physDev->gc;
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| 57 | descr.xSrc = xSrc;
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| 58 | descr.ySrc = tmpheight >= 0 ? lines-(ySrc-startscan)-cy+(oldcy-cy)
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| 59 | : ySrc - startscan;
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| 60 | descr.xDest = dc->w.DCOrgX + XLPTODP( dc, xDest );
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| 61 | descr.yDest = dc->w.DCOrgY + YLPTODP( dc, yDest ) +
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| 62 | (tmpheight >= 0 ? oldcy-cy : 0);
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| 63 | descr.width = cx;
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| 64 | descr.height = cy;
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| 65 | #endif
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| 66 |
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| 67 | points[0].x = xDest;
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| 68 | points[0].y = yDest + cy - 1; // Y-inverted
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| 69 | points[1].x = xDest + cx - 1;
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| 70 | points[1].y = yDest; // Y-inverted
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| 71 | points[2].x = xSrc;
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| 72 | points[2].y = ySrc + startscan;
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| 73 | points[3].x = xSrc + cx;
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| 74 | points[3].y = ySrc + lines;
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| 75 |
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| 76 | // WINBITMAPINFOHEADER and BITMAPINFO2 are identical
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| 77 | GpiDrawBits((HPS)hdc, (VOID *)bits, (BITMAPINFO2 *)info, 4,
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| 78 | points, ROP_SRCCOPY, BBO_IGNORE);
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| 79 |
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| 80 | return lines;
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| 81 | }
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| 82 | //******************************************************************************
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| 83 | //******************************************************************************
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| 84 |
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