From: Piotr Caban piotr@codeweavers.com
--- dlls/wineps.drv/printproc.c | 133 ++++++++++++++++++++++++++++++++++++ 1 file changed, 133 insertions(+)
diff --git a/dlls/wineps.drv/printproc.c b/dlls/wineps.drv/printproc.c index f1294be48cb..9382464de8e 100644 --- a/dlls/wineps.drv/printproc.c +++ b/dlls/wineps.drv/printproc.c @@ -800,6 +800,132 @@ static int poly_draw(PHYSDEV dev, const POINT *points, const BYTE *types, DWORD return TRUE; }
+static inline void reset_bounds(RECT *bounds) +{ + bounds->left = bounds->top = INT_MAX; + bounds->right = bounds->bottom = INT_MIN; +} + +static BOOL gradient_fill(PHYSDEV dev, const TRIVERTEX *vert_array, DWORD nvert, + const void *grad_array, DWORD ngrad, ULONG mode) +{ + char buffer[FIELD_OFFSET(BITMAPINFO, bmiColors[256])]; + BITMAPINFO *info = (BITMAPINFO *)buffer; + struct bitblt_coords src, dst; + struct gdi_image_bits bits; + HBITMAP bmp, old_bmp; + BOOL ret = FALSE; + TRIVERTEX *pts; + unsigned int i; + HDC hdc_src; + HRGN rgn; + + if (!(pts = malloc(nvert * sizeof(*pts)))) return FALSE; + memcpy(pts, vert_array, sizeof(*pts) * nvert); + for (i = 0; i < nvert; i++) + LPtoDP(dev->hdc, (POINT *)&pts[i], 1); + + /* compute bounding rect of all the rectangles/triangles */ + reset_bounds(&dst.visrect); + for (i = 0; i < ngrad * (mode == GRADIENT_FILL_TRIANGLE ? 3 : 2); i++) + { + ULONG v = ((ULONG *)grad_array)[i]; + dst.visrect.left = min(dst.visrect.left, pts[v].x); + dst.visrect.top = min(dst.visrect.top, pts[v].y); + dst.visrect.right = max(dst.visrect.right, pts[v].x); + dst.visrect.bottom = max(dst.visrect.bottom, pts[v].y); + } + + dst.x = dst.visrect.left; + dst.y = dst.visrect.top; + dst.width = dst.visrect.right - dst.visrect.left; + dst.height = dst.visrect.bottom - dst.visrect.top; + clip_visrect(dev->hdc, &dst.visrect, &dst.visrect); + + info->bmiHeader.biSize = sizeof(info->bmiHeader); + info->bmiHeader.biPlanes = 1; + info->bmiHeader.biBitCount = 24; + info->bmiHeader.biCompression = BI_RGB; + info->bmiHeader.biXPelsPerMeter = 0; + info->bmiHeader.biYPelsPerMeter = 0; + info->bmiHeader.biClrUsed = 0; + info->bmiHeader.biClrImportant = 0; + info->bmiHeader.biWidth = dst.visrect.right - dst.visrect.left; + info->bmiHeader.biHeight = dst.visrect.bottom - dst.visrect.top; + info->bmiHeader.biSizeImage = 0; + memset(&bits, 0, sizeof(bits)); + hdc_src = CreateCompatibleDC(NULL); + if (!hdc_src) + { + free(pts); + return FALSE; + } + bmp = CreateDIBSection(hdc_src, info, DIB_RGB_COLORS, &bits.ptr, NULL, 0); + if (!bmp) + { + DeleteObject(hdc_src); + free(pts); + return FALSE; + } + old_bmp = SelectObject(hdc_src, bmp); + + /* make src and points relative to the bitmap */ + src = dst; + src.x -= dst.visrect.left; + src.y -= dst.visrect.top; + OffsetRect(&src.visrect, -dst.visrect.left, -dst.visrect.top); + for (i = 0; i < nvert; i++) + { + pts[i].x -= dst.visrect.left; + pts[i].y -= dst.visrect.top; + } + ret = GdiGradientFill(hdc_src, pts, nvert, (void *)grad_array, ngrad, mode); + SelectObject(hdc_src, old_bmp); + DeleteObject(hdc_src); + + rgn = CreateRectRgn(0, 0, 0, 0); + if (mode == GRADIENT_FILL_TRIANGLE) + { + const GRADIENT_TRIANGLE *gt = grad_array; + POINT triangle[3]; + HRGN tmp; + + for (i = 0; i < ngrad; i++) + { + triangle[0].x = pts[gt[i].Vertex1].x; + triangle[0].y = pts[gt[i].Vertex1].y; + triangle[1].x = pts[gt[i].Vertex2].x; + triangle[1].y = pts[gt[i].Vertex2].y; + triangle[2].x = pts[gt[i].Vertex3].x; + triangle[2].y = pts[gt[i].Vertex3].y; + tmp = CreatePolygonRgn(triangle, 3, ALTERNATE); + CombineRgn(rgn, rgn, tmp, RGN_OR); + DeleteObject(tmp); + } + } + else + { + const GRADIENT_RECT *gr = grad_array; + HRGN tmp = CreateRectRgn(0, 0, 0, 0); + + for (i = 0; i < ngrad; i++) + { + SetRectRgn(tmp, pts[gr[i].UpperLeft].x, pts[gr[i].UpperLeft].y, + pts[gr[i].LowerRight].x, pts[gr[i].LowerRight].y); + CombineRgn(rgn, rgn, tmp, RGN_OR); + } + DeleteObject(tmp); + } + free(pts); + + OffsetRgn(rgn, dst.visrect.left, dst.visrect.top); + if (ret) + ret = (PSDRV_PutImage(dev, rgn, info, &bits, &src, &dst, SRCCOPY) == ERROR_SUCCESS); + DeleteObject(rgn); + DeleteObject(bmp); + return ret; +} + static HGDIOBJ get_object_handle(struct pp_data *data, HANDLETABLE *handletable, DWORD i, struct brush_pattern **pattern) { @@ -1332,6 +1458,13 @@ static int WINAPI hmf_proc(HDC hdc, HANDLETABLE *htable, data->patterns[p->ihBrush].bits.ptr = (BYTE *)p + p->offBits; return 1; } + case EMR_GRADIENTFILL: + { + const EMRGRADIENTFILL *p = (const EMRGRADIENTFILL *)rec; + + return gradient_fill(&data->pdev->dev, p->Ver, p->nVer, + p->Ver + p->nVer, p->nTri, p->ulMode); + }
case EMR_SETWINDOWEXTEX: case EMR_SETWINDOWORGEX: