bitmap.c

来自「一个类似windows」· C语言 代码 · 共 460 行 · 第 1/2 页

        ret = GetDIBits(hdc, hdib, 0, 16, &coreBits, (BITMAPINFO*) pbci, DIB_RGB_COLORS);
        ok(ret, "GetDIBits doesn't work with a BITMAPCOREHEADER\n");
        ok((pbci->bmciColors[0].rgbtRed == 0xff) && (pbci->bmciColors[0].rgbtGreen == 0) &&
            (pbci->bmciColors[0].rgbtBlue == 0) && (pbci->bmciColors[1].rgbtRed == 0) &&
            (pbci->bmciColors[1].rgbtGreen == 0) && (pbci->bmciColors[1].rgbtBlue == 0xff),
            "The color table has not been translated to the old BITMAPCOREINFO format\n");

        hcoredib = CreateDIBSection(hdc, (BITMAPINFO*) pbci, DIB_RGB_COLORS, (void**)&bits, NULL, 0);
        ok(hcoredib != NULL, "CreateDIBSection failed with a BITMAPCOREINFO\n");

        ZeroMemory(pbci->bmciColors, 256 * sizeof(RGBTRIPLE));
        ret = GetDIBits(hdc, hcoredib, 0, 16, &coreBits, (BITMAPINFO*) pbci, DIB_RGB_COLORS);
        ok(ret, "GetDIBits doesn't work with a BITMAPCOREHEADER\n");
        ok((pbci->bmciColors[0].rgbtRed == 0xff) && (pbci->bmciColors[0].rgbtGreen == 0) &&
            (pbci->bmciColors[0].rgbtBlue == 0) && (pbci->bmciColors[1].rgbtRed == 0) &&
            (pbci->bmciColors[1].rgbtGreen == 0) && (pbci->bmciColors[1].rgbtBlue == 0xff),
            "The color table has not been translated to the old BITMAPCOREINFO format\n");

        DeleteObject(hcoredib);
    }

    hdcmem = CreateCompatibleDC(hdc);
    oldbm = SelectObject(hdcmem, hdib);

    ret = GetDIBColorTable(hdcmem, 0, 2, rgb);
    ok(ret == 2, "GetDIBColorTable returned %d\n", ret);
    ok(!memcmp(rgb, pbmi->bmiColors, 2 * sizeof(RGBQUAD)),
       "GetDIBColorTable returns table 0: r%02x g%02x b%02x res%02x 1: r%02x g%02x b%02x res%02x\n",
       rgb[0].rgbRed, rgb[0].rgbGreen, rgb[0].rgbBlue, rgb[0].rgbReserved,
       rgb[1].rgbRed, rgb[1].rgbGreen, rgb[1].rgbBlue, rgb[1].rgbReserved);

    c0 = RGB(pbmi->bmiColors[0].rgbRed, pbmi->bmiColors[0].rgbGreen, pbmi->bmiColors[0].rgbBlue);
    c1 = RGB(pbmi->bmiColors[1].rgbRed, pbmi->bmiColors[1].rgbGreen, pbmi->bmiColors[1].rgbBlue);

    test_color(hdcmem, DIBINDEX(0), c0, 0, 1);
    test_color(hdcmem, DIBINDEX(1), c1, 0, 1);
    test_color(hdcmem, DIBINDEX(2), c0, 1, 1);
    test_color(hdcmem, PALETTEINDEX(0), c0, 1, 1);
    test_color(hdcmem, PALETTEINDEX(1), c0, 1, 1);
    test_color(hdcmem, PALETTEINDEX(2), c0, 1, 1);
    test_color(hdcmem, PALETTERGB(pbmi->bmiColors[0].rgbRed, pbmi->bmiColors[0].rgbGreen,
        pbmi->bmiColors[0].rgbBlue), c0, 1, 1);
    test_color(hdcmem, PALETTERGB(pbmi->bmiColors[1].rgbRed, pbmi->bmiColors[1].rgbGreen,
        pbmi->bmiColors[1].rgbBlue), c1, 1, 1);
    test_color(hdcmem, PALETTERGB(0, 0, 0), c0, 1, 1);
    test_color(hdcmem, PALETTERGB(0xff, 0xff, 0xff), c0, 1, 1);
    test_color(hdcmem, PALETTERGB(0, 0, 0xfe), c1, 1, 1);

    SelectObject(hdcmem, oldbm);
    DeleteObject(hdib);

    pbmi->bmiHeader.biBitCount = 8;

    for (i = 0; i < 128; i++) {
        pbmi->bmiColors[i].rgbRed = 255 - i * 2;
        pbmi->bmiColors[i].rgbGreen = i * 2;
        pbmi->bmiColors[i].rgbBlue = 0;
        pbmi->bmiColors[255 - i].rgbRed = 0;
        pbmi->bmiColors[255 - i].rgbGreen = i * 2;
        pbmi->bmiColors[255 - i].rgbBlue = 255 - i * 2;
    }
    hdib = CreateDIBSection(hdcmem, pbmi, DIB_RGB_COLORS, (void**)&bits, NULL, 0);
    ok(hdib != NULL, "CreateDIBSection failed\n");
    oldbm = SelectObject(hdcmem, hdib);

    for (i = 0; i < 256; i++) {
        test_color(hdcmem, DIBINDEX(i), 
            RGB(pbmi->bmiColors[i].rgbRed, pbmi->bmiColors[i].rgbGreen, pbmi->bmiColors[i].rgbBlue), 0, 0);
        test_color(hdcmem, PALETTERGB(pbmi->bmiColors[i].rgbRed, pbmi->bmiColors[i].rgbGreen, pbmi->bmiColors[i].rgbBlue), 
            RGB(pbmi->bmiColors[i].rgbRed, pbmi->bmiColors[i].rgbGreen, pbmi->bmiColors[i].rgbBlue), 0, 0);
    }

    SelectObject(hdcmem, oldbm);
    DeleteObject(hdib);

    pbmi->bmiHeader.biBitCount = 1;

    /* Now create a palette and a palette indexed dib section */
    memset(plogpal, 0, sizeof(logpalbuf));
    plogpal->palVersion = 0x300;
    plogpal->palNumEntries = 2;
    plogpal->palPalEntry[0].peRed = 0xff;
    plogpal->palPalEntry[0].peBlue = 0xff;
    plogpal->palPalEntry[1].peGreen = 0xff;

    index = (WORD*)pbmi->bmiColors;
    *index++ = 0;
    *index = 1;
    hpal = CreatePalette(plogpal);
    ok(hpal != NULL, "CreatePalette failed\n");
    oldpal = SelectPalette(hdc, hpal, TRUE);
    hdib = CreateDIBSection(hdc, pbmi, DIB_PAL_COLORS, (void**)&bits, NULL, 0);
    ok(hdib != NULL, "CreateDIBSection failed\n");

    /* The colour table has already been grabbed from the dc, so we select back the
       old palette */

    SelectPalette(hdc, oldpal, TRUE);
    oldbm = SelectObject(hdcmem, hdib);
    oldpal = SelectPalette(hdcmem, hpal, TRUE);

    ret = GetDIBColorTable(hdcmem, 0, 2, rgb);
    ok(ret == 2, "GetDIBColorTable returned %d\n", ret);
    ok(rgb[0].rgbRed == 0xff && rgb[0].rgbBlue == 0xff && rgb[0].rgbGreen == 0 &&
       rgb[1].rgbRed == 0    && rgb[1].rgbBlue == 0    && rgb[1].rgbGreen == 0xff,
       "GetDIBColorTable returns table 0: r%02x g%02x b%02x res%02x 1: r%02x g%02x b%02x res%02x\n",
       rgb[0].rgbRed, rgb[0].rgbGreen, rgb[0].rgbBlue, rgb[0].rgbReserved,
       rgb[1].rgbRed, rgb[1].rgbGreen, rgb[1].rgbBlue, rgb[1].rgbReserved);

    c0 = RGB(plogpal->palPalEntry[0].peRed, plogpal->palPalEntry[0].peGreen, plogpal->palPalEntry[0].peBlue);
    c1 = RGB(plogpal->palPalEntry[1].peRed, plogpal->palPalEntry[1].peGreen, plogpal->palPalEntry[1].peBlue);

    test_color(hdcmem, DIBINDEX(0), c0, 0, 1);
    test_color(hdcmem, DIBINDEX(1), c1, 0, 1);
    test_color(hdcmem, DIBINDEX(2), c0, 1, 1);
    test_color(hdcmem, PALETTEINDEX(0), c0, 0, 1);
    test_color(hdcmem, PALETTEINDEX(1), c1, 0, 1);
    test_color(hdcmem, PALETTEINDEX(2), c0, 1, 1);
    test_color(hdcmem, PALETTERGB(plogpal->palPalEntry[0].peRed, plogpal->palPalEntry[0].peGreen,
        plogpal->palPalEntry[0].peBlue), c0, 1, 1);
    test_color(hdcmem, PALETTERGB(plogpal->palPalEntry[1].peRed, plogpal->palPalEntry[1].peGreen,
        plogpal->palPalEntry[1].peBlue), c1, 1, 1);
    test_color(hdcmem, PALETTERGB(0, 0, 0), c1, 1, 1);
    test_color(hdcmem, PALETTERGB(0xff, 0xff, 0xff), c0, 1, 1);
    test_color(hdcmem, PALETTERGB(0, 0, 0xfe), c0, 1, 1);
    test_color(hdcmem, PALETTERGB(0, 1, 0), c1, 1, 1);
    test_color(hdcmem, PALETTERGB(0x3f, 0, 0x3f), c1, 1, 1);
    test_color(hdcmem, PALETTERGB(0x40, 0, 0x40), c0, 1, 1);

    /* Bottom and 2nd row from top green, everything else magenta */
    bits[0] = bits[1] = 0xff;
    bits[13 * 4] = bits[13*4 + 1] = 0xff;


    pbmi->bmiHeader.biBitCount = 32;

    hdib2 = CreateDIBSection(NULL, pbmi, DIB_RGB_COLORS, (void **)&bits32, NULL, 0);
    ok(hdib2 != NULL, "CreateDIBSection failed\n");
    hdcmem2 = CreateCompatibleDC(hdc);
    oldbm2 = SelectObject(hdcmem2, hdib2);

    BitBlt(hdcmem2, 0, 0, 16,16, hdcmem, 0, 0, SRCCOPY);

    ok(bits32[0] == 0xff00, "lower left pixel is %08lx\n", bits32[0]);
    ok(bits32[17] == 0xff00ff, "bottom but one, left pixel is %08lx\n", bits32[17]);

    SelectObject(hdcmem2, oldbm2);
    DeleteObject(hdib2);

    SelectObject(hdcmem, oldbm);
    SelectObject(hdcmem, oldpal);
    DeleteObject(hdib);
    DeleteObject(hpal);


    pbmi->bmiHeader.biBitCount = 8;

    memset(plogpal, 0, sizeof(logpalbuf));
    plogpal->palVersion = 0x300;
    plogpal->palNumEntries = 256;

    for (i = 0; i < 128; i++) {
        plogpal->palPalEntry[i].peRed = 255 - i * 2;
        plogpal->palPalEntry[i].peBlue = i * 2;
        plogpal->palPalEntry[i].peGreen = 0;
        plogpal->palPalEntry[255 - i].peRed = 0;
        plogpal->palPalEntry[255 - i].peGreen = i * 2;
        plogpal->palPalEntry[255 - i].peBlue = 255 - i * 2;
    }

    index = (WORD*)pbmi->bmiColors;
    for (i = 0; i < 256; i++) {
        *index++ = i;
    }

    hpal = CreatePalette(plogpal);
    ok(hpal != NULL, "CreatePalette failed\n");
    oldpal = SelectPalette(hdc, hpal, TRUE);
    hdib = CreateDIBSection(hdc, pbmi, DIB_PAL_COLORS, (void**)&bits, NULL, 0);
    ok(hdib != NULL, "CreateDIBSection failed\n");

    SelectPalette(hdc, oldpal, TRUE);
    oldbm = SelectObject(hdcmem, hdib);
    oldpal = SelectPalette(hdcmem, hpal, TRUE);

    ret = GetDIBColorTable(hdcmem, 0, 256, rgb);
    ok(ret == 256, "GetDIBColorTable returned %d\n", ret);
    for (i = 0; i < 256; i++) {
        ok(rgb[i].rgbRed == plogpal->palPalEntry[i].peRed && 
            rgb[i].rgbBlue == plogpal->palPalEntry[i].peBlue && 
            rgb[i].rgbGreen == plogpal->palPalEntry[i].peGreen, 
            "GetDIBColorTable returns table %d: r%02x g%02x b%02x res%02x\n",
            i, rgb[i].rgbRed, rgb[i].rgbGreen, rgb[i].rgbBlue, rgb[i].rgbReserved);
    }

    for (i = 0; i < 256; i++) {
        test_color(hdcmem, DIBINDEX(i), 
            RGB(plogpal->palPalEntry[i].peRed, plogpal->palPalEntry[i].peGreen, plogpal->palPalEntry[i].peBlue), 0, 0);
        test_color(hdcmem, PALETTEINDEX(i), 
            RGB(plogpal->palPalEntry[i].peRed, plogpal->palPalEntry[i].peGreen, plogpal->palPalEntry[i].peBlue), 0, 0);
        test_color(hdcmem, PALETTERGB(plogpal->palPalEntry[i].peRed, plogpal->palPalEntry[i].peGreen, plogpal->palPalEntry[i].peBlue), 
            RGB(plogpal->palPalEntry[i].peRed, plogpal->palPalEntry[i].peGreen, plogpal->palPalEntry[i].peBlue), 0, 0);
    }

    SelectPalette(hdcmem, oldpal, TRUE);
    SelectObject(hdcmem, oldbm);
    DeleteObject(hdib);
    DeleteObject(hpal);


    DeleteDC(hdcmem);
    ReleaseDC(0, hdc);
}    

START_TEST(bitmap)
{
    HWND hWnd;

    hWnd = CreateWindowExA(0, "EDIT", NULL, 0,
                           10, 10, 300, 300,
                           NULL, NULL, NULL, NULL);
    assert(hWnd);
    is_win9x = GetWindowLongW(hWnd, GWL_WNDPROC) == 0;
    DestroyWindow(hWnd);

    test_createdibitmap();
    test_dibsections();
}