[PATCH 3/4] gdi32: Make EMFDRV_StretchBlt() compatible with display drivers.
Signed-off-by: Zhiyi Zhang <zzhang(a)codeweavers.com> --- dlls/gdi32/enhmfdrv/bitblt.c | 121 +++++------------------------------ dlls/gdi32/tests/metafile.c | 29 ++++----- 2 files changed, 27 insertions(+), 123 deletions(-) diff --git a/dlls/gdi32/enhmfdrv/bitblt.c b/dlls/gdi32/enhmfdrv/bitblt.c index 597a6110abd..0fa6226ebaa 100644 --- a/dlls/gdi32/enhmfdrv/bitblt.c +++ b/dlls/gdi32/enhmfdrv/bitblt.c @@ -27,14 +27,15 @@ #include "enhmetafiledrv.h" #include "wine/debug.h" -BOOL CDECL EMFDRV_AlphaBlend( PHYSDEV dev_dst, struct bitblt_coords *dst, - PHYSDEV dev_src, struct bitblt_coords *src, BLENDFUNCTION func ) +/* Generate an EMRSTRETCHBLT or EMRALPHABLEND record depending on the alpha_blend parameter */ +static BOOL emfdrv_stretchblt( PHYSDEV dev_dst, struct bitblt_coords *dst, PHYSDEV dev_src, + struct bitblt_coords *src, DWORD rop, BOOL alpha_blend ) { unsigned char src_buffer[FIELD_OFFSET(BITMAPINFO, bmiColors[256])]; BITMAPINFO *src_info = (BITMAPINFO *)src_buffer; UINT bits_size, bmi_size, emr_size, size, bpp; struct gdi_image_bits bits; - EMRALPHABLEND *emr; + EMRSTRETCHBLT *emr; BITMAPINFO *bmi; DC *dc_src; DWORD err; @@ -56,14 +57,15 @@ BOOL CDECL EMFDRV_AlphaBlend( PHYSDEV dev_dst, struct bitblt_coords *dst, bmi_size = sizeof(BITMAPINFOHEADER) + 3 * sizeof(RGBQUAD); else bmi_size = sizeof(BITMAPINFOHEADER); - emr_size = sizeof(EMRALPHABLEND); + /* EMRALPHABLEND and EMRSTRETCHBLT have the same structure */ + emr_size = sizeof(EMRSTRETCHBLT); bits_size = src_info->bmiHeader.biSizeImage; size = emr_size + bmi_size + bits_size; emr = HeapAlloc(GetProcessHeap(), 0, size); if (!emr) goto err; - emr->emr.iType = EMR_ALPHABLEND; + emr->emr.iType = alpha_blend ? EMR_ALPHABLEND : EMR_STRETCHBLT; emr->emr.nSize = size; emr->rclBounds.left = dst->log_x; emr->rclBounds.top = dst->log_y; @@ -77,7 +79,7 @@ BOOL CDECL EMFDRV_AlphaBlend( PHYSDEV dev_dst, struct bitblt_coords *dst, emr->ySrc = src->log_y; emr->cxSrc = src->log_width; emr->cySrc = src->log_height; - emr->dwRop = *(DWORD *)&func; + emr->dwRop = rop; GetTransform(dev_src->hdc, 0x204, &emr->xformSrc); emr->crBkColorSrc = GetBkColor(dev_src->hdc); emr->iUsageSrc = DIB_RGB_COLORS; @@ -115,6 +117,12 @@ err: return ret; } +BOOL CDECL EMFDRV_AlphaBlend( PHYSDEV dev_dst, struct bitblt_coords *dst, + PHYSDEV dev_src, struct bitblt_coords *src, BLENDFUNCTION func ) +{ + return emfdrv_stretchblt( dev_dst, dst, dev_src, src, *(DWORD *)&func, TRUE ); +} + BOOL CDECL EMFDRV_PatBlt( PHYSDEV dev, struct bitblt_coords *dst, DWORD rop ) { EMRBITBLT emr; @@ -155,106 +163,7 @@ BOOL CDECL EMFDRV_PatBlt( PHYSDEV dev, struct bitblt_coords *dst, DWORD rop ) BOOL CDECL EMFDRV_StretchBlt( PHYSDEV devDst, struct bitblt_coords *dst, PHYSDEV devSrc, struct bitblt_coords *src, DWORD rop ) { - BOOL ret; - PEMRBITBLT pEMR; - UINT emrSize; - UINT bmiSize; - UINT bitsSize; - UINT size; - BITMAP BM; - WORD nBPP = 0; - LPBITMAPINFOHEADER lpBmiH; - HBITMAP hBitmap = NULL; - DWORD emrType; - - if (devSrc->funcs == devDst->funcs) return FALSE; /* can't use a metafile DC as source */ - - if (src->log_width == dst->log_width && src->log_height == dst->log_height) - { - emrType = EMR_BITBLT; - emrSize = sizeof(EMRBITBLT); - } - else - { - emrType = EMR_STRETCHBLT; - emrSize = sizeof(EMRSTRETCHBLT); - } - - hBitmap = GetCurrentObject(devSrc->hdc, OBJ_BITMAP); - - if(sizeof(BITMAP) != GetObjectW(hBitmap, sizeof(BITMAP), &BM)) - return FALSE; - - nBPP = BM.bmPlanes * BM.bmBitsPixel; - if(nBPP > 8) nBPP = 24; /* FIXME Can't get 16bpp to work for some reason */ - bitsSize = get_dib_stride( BM.bmWidth, nBPP ) * BM.bmHeight; - bmiSize = sizeof(BITMAPINFOHEADER) + - (nBPP <= 8 ? 1 << nBPP : 0) * sizeof(RGBQUAD); - - size = emrSize + bmiSize + bitsSize; - - pEMR = HeapAlloc(GetProcessHeap(), 0, size); - if (!pEMR) return FALSE; - - /* Initialize EMR */ - pEMR->emr.iType = emrType; - pEMR->emr.nSize = size; - pEMR->rclBounds.left = dst->log_x; - pEMR->rclBounds.top = dst->log_y; - pEMR->rclBounds.right = dst->log_x + dst->log_width - 1; - pEMR->rclBounds.bottom = dst->log_y + dst->log_height - 1; - pEMR->xDest = dst->log_x; - pEMR->yDest = dst->log_y; - pEMR->cxDest = dst->log_width; - pEMR->cyDest = dst->log_height; - pEMR->dwRop = rop; - pEMR->xSrc = src->log_x; - pEMR->ySrc = src->log_y; - GetTransform(devSrc->hdc, 0x204, &pEMR->xformSrc); - pEMR->crBkColorSrc = GetBkColor(devSrc->hdc); - pEMR->iUsageSrc = DIB_RGB_COLORS; - pEMR->offBmiSrc = emrSize; - pEMR->offBitsSrc = emrSize + bmiSize; - pEMR->cbBmiSrc = bmiSize; - pEMR->cbBitsSrc = bitsSize; - if (emrType == EMR_STRETCHBLT) - { - PEMRSTRETCHBLT pEMRStretch = (PEMRSTRETCHBLT)pEMR; - pEMRStretch->cxSrc = src->log_width; - pEMRStretch->cySrc = src->log_height; - } - - /* Initialize BITMAPINFO structure */ - lpBmiH = (LPBITMAPINFOHEADER)((BYTE*)pEMR + pEMR->offBmiSrc); - - lpBmiH->biSize = sizeof(BITMAPINFOHEADER); - lpBmiH->biWidth = BM.bmWidth; - lpBmiH->biHeight = BM.bmHeight; - lpBmiH->biPlanes = BM.bmPlanes; - lpBmiH->biBitCount = nBPP; - /* Assume the bitmap isn't compressed and set the BI_RGB flag. */ - lpBmiH->biCompression = BI_RGB; - lpBmiH->biSizeImage = bitsSize; - lpBmiH->biYPelsPerMeter = 0; - lpBmiH->biXPelsPerMeter = 0; - lpBmiH->biClrUsed = nBPP <= 8 ? 1 << nBPP : 0; - /* Set biClrImportant to 0, indicating that all of the - device colors are important. */ - lpBmiH->biClrImportant = 0; - - /* Initialize bitmap bits */ - if (GetDIBits(devSrc->hdc, hBitmap, 0, (UINT)lpBmiH->biHeight, - (BYTE*)pEMR + pEMR->offBitsSrc, - (LPBITMAPINFO)lpBmiH, DIB_RGB_COLORS)) - { - ret = EMFDRV_WriteRecord(devDst, (EMR*)pEMR); - if (ret) EMFDRV_UpdateBBox(devDst, &(pEMR->rclBounds)); - } - else - ret = FALSE; - - HeapFree( GetProcessHeap(), 0, pEMR); - return ret; + return emfdrv_stretchblt( devDst, dst, devSrc, src, rop, FALSE ); } INT CDECL EMFDRV_StretchDIBits( PHYSDEV dev, INT xDst, INT yDst, INT widthDst, INT heightDst, diff --git a/dlls/gdi32/tests/metafile.c b/dlls/gdi32/tests/metafile.c index 0e35e02b8da..0ac7f366ae6 100644 --- a/dlls/gdi32/tests/metafile.c +++ b/dlls/gdi32/tests/metafile.c @@ -2829,26 +2829,25 @@ static void test_emf_StretchBlt(void) DWORD used_color_count; DWORD color_count; RGBQUAD colors[3]; - BOOL todo; } tests[] = { {1, 3, 3, BI_RGB, EMF_STRETCHBLT_1BIT_3X3, sizeof(EMF_STRETCHBLT_1BIT_3X3), 1, 1, {{0xff, 0xff, 0xff}}}, {4, 3, 3, BI_RGB, EMF_STRETCHBLT_4BIT_3X3, sizeof(EMF_STRETCHBLT_4BIT_3X3), 1, 1, {{0xff, 0xff, 0xff}}}, {8, 3, 3, BI_RGB, EMF_STRETCHBLT_8BIT_3X3, sizeof(EMF_STRETCHBLT_8BIT_3X3), 1, 1, {{0xff, 0xff, 0xff}}}, - {16, 3, 3, BI_RGB, EMF_STRETCHBLT_16BIT_555_3X3, sizeof(EMF_STRETCHBLT_16BIT_555_3X3), 0, 0, {{0}}, TRUE}, + {16, 3, 3, BI_RGB, EMF_STRETCHBLT_16BIT_555_3X3, sizeof(EMF_STRETCHBLT_16BIT_555_3X3)}, {24, 3, 3, BI_RGB, EMF_STRETCHBLT_24BIT_3X3, sizeof(EMF_STRETCHBLT_24BIT_3X3)}, - {32, 3, 3, BI_RGB, EMF_STRETCHBLT_32BIT_888_3X3, sizeof(EMF_STRETCHBLT_32BIT_888_3X3), 0, 0, {{0}}, TRUE}, - {16, 3, 3, BI_BITFIELDS, EMF_STRETCHBLT_16BIT_3X3, sizeof(EMF_STRETCHBLT_16BIT_3X3), 0, 3, {{0x00, 0xf8, 0x00}, {0xe0, 0x07, 0x00}, {0x1f, 0x00, 0x00}}, TRUE}, - {32, 3, 3, BI_BITFIELDS, EMF_STRETCHBLT_32BIT_3X3, sizeof(EMF_STRETCHBLT_32BIT_3X3), 0, 3, {{0x00, 0x00, 0xff}, {0xe0, 0xff, 0x00}, {0xff, 0x00, 0x00}}, TRUE}, - {1, 4, 4, BI_RGB, EMF_STRETCHBLT_1BIT_4X4, sizeof(EMF_STRETCHBLT_1BIT_4X4), 1, 1, {{0xff, 0xff, 0xff}}, TRUE}, - {4, 4, 4, BI_RGB, EMF_STRETCHBLT_4BIT_4X4, sizeof(EMF_STRETCHBLT_4BIT_4X4), 1, 1, {{0xff, 0xff, 0xff}}, TRUE}, - {8, 4, 4, BI_RGB, EMF_STRETCHBLT_8BIT_4X4, sizeof(EMF_STRETCHBLT_8BIT_4X4), 1, 1, {{0xff, 0xff, 0xff}}, TRUE}, - {16, 4, 4, BI_RGB, EMF_STRETCHBLT_16BIT_555_4X4, sizeof(EMF_STRETCHBLT_16BIT_555_4X4), 0, 0, {{0}}, TRUE}, - {24, 4, 4, BI_RGB, EMF_STRETCHBLT_24BIT_4X4, sizeof(EMF_STRETCHBLT_24BIT_4X4), 0, 0, {{0}}, TRUE}, - {32, 4, 4, BI_RGB, EMF_STRETCHBLT_32BIT_888_4X4, sizeof(EMF_STRETCHBLT_32BIT_888_4X4), 0, 0, {{0}}, TRUE}, - {16, 4, 4, BI_BITFIELDS, EMF_STRETCHBLT_16BIT_4X4, sizeof(EMF_STRETCHBLT_16BIT_4X4), 0, 3, {{0x00, 0xf8, 0x00}, {0xe0, 0x07, 0x00}, {0x1f, 0x00, 0x00}}, TRUE}, - {32, 4, 4, BI_BITFIELDS, EMF_STRETCHBLT_32BIT_4X4, sizeof(EMF_STRETCHBLT_32BIT_4X4), 0, 3, {{0x00, 0x00, 0xff}, {0xe0, 0xff, 0x00}, {0xff, 0x00, 0x00}}, TRUE}, + {32, 3, 3, BI_RGB, EMF_STRETCHBLT_32BIT_888_3X3, sizeof(EMF_STRETCHBLT_32BIT_888_3X3)}, + {16, 3, 3, BI_BITFIELDS, EMF_STRETCHBLT_16BIT_3X3, sizeof(EMF_STRETCHBLT_16BIT_3X3), 0, 3, {{0x00, 0xf8, 0x00}, {0xe0, 0x07, 0x00}, {0x1f, 0x00, 0x00}}}, + {32, 3, 3, BI_BITFIELDS, EMF_STRETCHBLT_32BIT_3X3, sizeof(EMF_STRETCHBLT_32BIT_3X3), 0, 3, {{0x00, 0x00, 0xff}, {0xe0, 0xff, 0x00}, {0xff, 0x00, 0x00}}}, + {1, 4, 4, BI_RGB, EMF_STRETCHBLT_1BIT_4X4, sizeof(EMF_STRETCHBLT_1BIT_4X4), 1, 1, {{0xff, 0xff, 0xff}}}, + {4, 4, 4, BI_RGB, EMF_STRETCHBLT_4BIT_4X4, sizeof(EMF_STRETCHBLT_4BIT_4X4), 1, 1, {{0xff, 0xff, 0xff}}}, + {8, 4, 4, BI_RGB, EMF_STRETCHBLT_8BIT_4X4, sizeof(EMF_STRETCHBLT_8BIT_4X4), 1, 1, {{0xff, 0xff, 0xff}}}, + {16, 4, 4, BI_RGB, EMF_STRETCHBLT_16BIT_555_4X4, sizeof(EMF_STRETCHBLT_16BIT_555_4X4)}, + {24, 4, 4, BI_RGB, EMF_STRETCHBLT_24BIT_4X4, sizeof(EMF_STRETCHBLT_24BIT_4X4)}, + {32, 4, 4, BI_RGB, EMF_STRETCHBLT_32BIT_888_4X4, sizeof(EMF_STRETCHBLT_32BIT_888_4X4)}, + {16, 4, 4, BI_BITFIELDS, EMF_STRETCHBLT_16BIT_4X4, sizeof(EMF_STRETCHBLT_16BIT_4X4), 0, 3, {{0x00, 0xf8, 0x00}, {0xe0, 0x07, 0x00}, {0x1f, 0x00, 0x00}}}, + {32, 4, 4, BI_BITFIELDS, EMF_STRETCHBLT_32BIT_4X4, sizeof(EMF_STRETCHBLT_32BIT_4X4), 0, 3, {{0x00, 0x00, 0xff}, {0xe0, 0xff, 0x00}, {0xff, 0x00, 0x00}}}, }; hdc = GetDC(0); @@ -2872,10 +2871,6 @@ static void test_emf_StretchBlt(void) /* Test StretchBlt with different format of bitmaps */ for (test_idx = 0; test_idx < ARRAY_SIZE(tests); ++test_idx) { - /* Don't run tests failing on Wine */ - if (tests[test_idx].todo && !strcmp(winetest_platform, "wine")) - continue; - winetest_push_context("Test %d", test_idx); memset(bmi_buffer, 0, sizeof(bmi_buffer)); -- 2.30.2
On Mon, May 17, 2021 at 05:00:21PM +0800, Zhiyi Zhang wrote: The commit msg could be a bit better. Prehaps "gdi32: Use a common helper for StretchBlt and AlphaBlend"?
Signed-off-by: Zhiyi Zhang <zzhang(a)codeweavers.com> --- dlls/gdi32/enhmfdrv/bitblt.c | 121 +++++------------------------------ dlls/gdi32/tests/metafile.c | 29 ++++----- 2 files changed, 27 insertions(+), 123 deletions(-)
diff --git a/dlls/gdi32/enhmfdrv/bitblt.c b/dlls/gdi32/enhmfdrv/bitblt.c index 597a6110abd..0fa6226ebaa 100644 --- a/dlls/gdi32/enhmfdrv/bitblt.c +++ b/dlls/gdi32/enhmfdrv/bitblt.c @@ -27,14 +27,15 @@ #include "enhmetafiledrv.h" #include "wine/debug.h"
-BOOL CDECL EMFDRV_AlphaBlend( PHYSDEV dev_dst, struct bitblt_coords *dst, - PHYSDEV dev_src, struct bitblt_coords *src, BLENDFUNCTION func ) +/* Generate an EMRSTRETCHBLT or EMRALPHABLEND record depending on the alpha_blend parameter */ +static BOOL emfdrv_stretchblt( PHYSDEV dev_dst, struct bitblt_coords *dst, PHYSDEV dev_src, + struct bitblt_coords *src, DWORD rop, BOOL alpha_blend )
I would change the final param to be DWORD type (i.e. explicitly pass EMR_STRETCHBLT/ALPHABLEND).
@@ -155,106 +163,7 @@ BOOL CDECL EMFDRV_PatBlt( PHYSDEV dev, struct bitblt_coords *dst, DWORD rop ) BOOL CDECL EMFDRV_StretchBlt( PHYSDEV devDst, struct bitblt_coords *dst, PHYSDEV devSrc, struct bitblt_coords *src, DWORD rop ) { - BOOL ret; - PEMRBITBLT pEMR; - UINT emrSize; - UINT bmiSize; - UINT bitsSize; - UINT size; - BITMAP BM; - WORD nBPP = 0; - LPBITMAPINFOHEADER lpBmiH; - HBITMAP hBitmap = NULL; - DWORD emrType; - - if (devSrc->funcs == devDst->funcs) return FALSE; /* can't use a metafile DC as source */ - - if (src->log_width == dst->log_width && src->log_height == dst->log_height) - { - emrType = EMR_BITBLT; - emrSize = sizeof(EMRBITBLT); - } - else - { - emrType = EMR_STRETCHBLT; - emrSize = sizeof(EMRSTRETCHBLT); - }
Presumably calls to BitBlt() get encoded as EMR_BITBLT (even if non-stretch StretchBlt()s don't). Assuming that's the case, I think it would make sense to retain what we did here and use EMR_BITBLT where we can (another reason for passing the type to the helper function). Huw.
participants (2)
-
Huw Davies -
Zhiyi Zhang