| 1 | /* |
| 2 | *Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved. |
| 3 | * |
| 4 | *Permission is hereby granted, free of charge, to any person obtaining |
| 5 | * a copy of this software and associated documentation files (the |
| 6 | *"Software"), to deal in the Software without restriction, including |
| 7 | *without limitation the rights to use, copy, modify, merge, publish, |
| 8 | *distribute, sublicense, and/or sell copies of the Software, and to |
| 9 | *permit persons to whom the Software is furnished to do so, subject to |
| 10 | *the following conditions: |
| 11 | * |
| 12 | *The above copyright notice and this permission notice shall be |
| 13 | *included in all copies or substantial portions of the Software. |
| 14 | * |
| 15 | *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 16 | *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 17 | *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 18 | *NONINFRINGEMENT. IN NO EVENT SHALL THE XFREE86 PROJECT BE LIABLE FOR |
| 19 | *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF |
| 20 | *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 21 | *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 22 | * |
| 23 | *Except as contained in this notice, the name of the XFree86 Project |
| 24 | *shall not be used in advertising or otherwise to promote the sale, use |
| 25 | *or other dealings in this Software without prior written authorization |
| 26 | *from the XFree86 Project. |
| 27 | * |
| 28 | * Authors: Harold L Hunt II |
| 29 | * Alan Hourihane <alanh@fairlite.demon.co.uk> |
| 30 | */ |
| 31 | |
| 32 | #ifdef HAVE_XWIN_CONFIG_H |
| 33 | #include <xwin-config.h> |
| 34 | #endif |
| 35 | #include "win.h" |
| 36 | |
| 37 | /* See Porting Layer Definition - p. 55 */ |
| 38 | void |
| 39 | winSetSpansNativeGDI(DrawablePtr pDrawable, |
| 40 | GCPtr pGC, |
| 41 | char *pSrcs, |
| 42 | DDXPointPtr pPoints, |
| 43 | int *piWidths, int iSpans, int fSorted) |
| 44 | { |
| 45 | winGCPriv(pGC); |
| 46 | PixmapPtr pPixmap = NULL; |
| 47 | winPrivPixmapPtr pPixmapPriv = NULL; |
| 48 | HBITMAP hbmpOrig = NULL; |
| 49 | BITMAPINFO *pbmi; |
| 50 | HRGN hrgn = NULL, combined = NULL; |
| 51 | int nbox; |
| 52 | BoxPtr pbox; |
| 53 | |
| 54 | nbox = RegionNumRects(pGC->pCompositeClip); |
| 55 | pbox = RegionRects(pGC->pCompositeClip); |
| 56 | |
| 57 | if (!nbox) |
| 58 | return; |
| 59 | |
| 60 | pbmi = malloc(sizeof(BITMAPINFO) + sizeof(RGBQUAD)); |
| 61 | |
| 62 | combined = CreateRectRgn(pbox->x1, pbox->y1, pbox->x2, pbox->y2); |
| 63 | nbox--; |
| 64 | pbox++; |
| 65 | while (nbox--) { |
| 66 | hrgn = CreateRectRgn(pbox->x1, pbox->y1, pbox->x2, pbox->y2); |
| 67 | CombineRgn(combined, combined, hrgn, RGN_OR); |
| 68 | DeleteObject(hrgn); |
| 69 | hrgn = NULL; |
| 70 | pbox++; |
| 71 | } |
| 72 | |
| 73 | /* Branch on the drawable type */ |
| 74 | switch (pDrawable->type) { |
| 75 | case DRAWABLE_PIXMAP: |
| 76 | |
| 77 | SelectClipRgn(pGCPriv->hdcMem, combined); |
| 78 | DeleteObject(combined); |
| 79 | combined = NULL; |
| 80 | |
| 81 | pPixmap = (PixmapPtr) pDrawable; |
| 82 | pPixmapPriv = winGetPixmapPriv(pPixmap); |
| 83 | |
| 84 | /* Select the drawable pixmap into a DC */ |
| 85 | hbmpOrig = SelectObject(pGCPriv->hdcMem, pPixmapPriv->hBitmap); |
| 86 | if (hbmpOrig == NULL) |
| 87 | FatalError("winSetSpans - DRAWABLE_PIXMAP - SelectObject () " |
| 88 | "failed on pPixmapPriv->hBitmap\n"); |
| 89 | |
| 90 | while (iSpans--) { |
| 91 | ZeroMemory(pbmi, sizeof(BITMAPINFO)); |
| 92 | pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); |
| 93 | pbmi->bmiHeader.biWidth = *piWidths; |
| 94 | pbmi->bmiHeader.biHeight = 1; |
| 95 | pbmi->bmiHeader.biPlanes = 1; |
| 96 | pbmi->bmiHeader.biBitCount = pDrawable->depth; |
| 97 | pbmi->bmiHeader.biCompression = BI_RGB; |
| 98 | |
| 99 | /* Setup color table for mono DIBs */ |
| 100 | if (pDrawable->depth == 1) { |
| 101 | RGBQUAD *bmiColors = &(pbmi->bmiColors[0]); |
| 102 | bmiColors[1].rgbBlue = 255; |
| 103 | bmiColors[1].rgbGreen = 255; |
| 104 | bmiColors[1].rgbRed = 255; |
| 105 | } |
| 106 | |
| 107 | StretchDIBits(pGCPriv->hdcMem, |
| 108 | pPoints->x, pPoints->y, |
| 109 | *piWidths, 1, |
| 110 | 0, 0, |
| 111 | *piWidths, 1, |
| 112 | pSrcs, |
| 113 | (BITMAPINFO *) pbmi, |
| 114 | DIB_RGB_COLORS, g_copyROP[pGC->alu]); |
| 115 | |
| 116 | pSrcs += PixmapBytePad(*piWidths, pDrawable->depth); |
| 117 | pPoints++; |
| 118 | piWidths++; |
| 119 | } |
| 120 | |
| 121 | /* Reset the clip region */ |
| 122 | SelectClipRgn(pGCPriv->hdcMem, NULL); |
| 123 | |
| 124 | /* Push the drawable pixmap out of the GC HDC */ |
| 125 | SelectObject(pGCPriv->hdcMem, hbmpOrig); |
| 126 | break; |
| 127 | |
| 128 | case DRAWABLE_WINDOW: |
| 129 | |
| 130 | SelectClipRgn(pGCPriv->hdc, combined); |
| 131 | DeleteObject(combined); |
| 132 | combined = NULL; |
| 133 | |
| 134 | while (iSpans--) { |
| 135 | ZeroMemory(pbmi, sizeof(BITMAPINFO)); |
| 136 | pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); |
| 137 | pbmi->bmiHeader.biWidth = *piWidths; |
| 138 | pbmi->bmiHeader.biHeight = 1; |
| 139 | pbmi->bmiHeader.biPlanes = 1; |
| 140 | pbmi->bmiHeader.biBitCount = pDrawable->depth; |
| 141 | pbmi->bmiHeader.biCompression = BI_RGB; |
| 142 | |
| 143 | /* Setup color table for mono DIBs */ |
| 144 | if (pDrawable->depth == 1) { |
| 145 | RGBQUAD *bmiColors = &(pbmi->bmiColors[0]); |
| 146 | bmiColors[1].rgbBlue = 255; |
| 147 | bmiColors[1].rgbGreen = 255; |
| 148 | bmiColors[1].rgbRed = 255; |
| 149 | } |
| 150 | |
| 151 | StretchDIBits(pGCPriv->hdc, |
| 152 | pPoints->x, pPoints->y, |
| 153 | *piWidths, 1, |
| 154 | 0, 0, |
| 155 | *piWidths, 1, |
| 156 | pSrcs, |
| 157 | (BITMAPINFO *) pbmi, |
| 158 | DIB_RGB_COLORS, g_copyROP[pGC->alu]); |
| 159 | |
| 160 | pSrcs += PixmapBytePad(*piWidths, pDrawable->depth); |
| 161 | pPoints++; |
| 162 | piWidths++; |
| 163 | } |
| 164 | |
| 165 | /* Reset the clip region */ |
| 166 | SelectClipRgn(pGCPriv->hdc, NULL); |
| 167 | break; |
| 168 | |
| 169 | default: |
| 170 | FatalError("\nwinSetSpansNativeGDI - Unknown drawable type\n\n"); |
| 171 | break; |
| 172 | } |
| 173 | |
| 174 | free(pbmi); |
| 175 | } |