1 | /* $Id: oslibgdi.cpp,v 1.1 1999-10-01 10:14:59 sandervl 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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