Alexandre Julliard : gdi32/tests: Add tests for color mappings in monochrome bitmaps.
Module: wine Branch: master Commit: 8761bb29ea4f58b5db07190a2cd423d11876d53d URL: http://source.winehq.org/git/wine.git/?a=commit;h=8761bb29ea4f58b5db07190a2c... Author: Alexandre Julliard <julliard(a)winehq.org> Date: Thu May 17 22:22:46 2012 +0200 gdi32/tests: Add tests for color mappings in monochrome bitmaps. --- dlls/gdi32/tests/bitmap.c | 128 +++++++++++++++++++++++++++++++++++++++++--- 1 files changed, 119 insertions(+), 9 deletions(-) diff --git a/dlls/gdi32/tests/bitmap.c b/dlls/gdi32/tests/bitmap.c index d28b74f..2abf237 100644 --- a/dlls/gdi32/tests/bitmap.c +++ b/dlls/gdi32/tests/bitmap.c @@ -339,16 +339,18 @@ static void test_dib_info(HBITMAP hbm, const void *bits, const BITMAPINFOHEADER ok(ret == 0, "%d != 0\n", ret); } -#define test_color(hdc, color, exp) \ -{ \ - COLORREF c; \ - c = SetPixel(hdc, 0, 0, color); \ - ok(c == exp, "SetPixel failed: got 0x%06x expected 0x%06x\n", c, (UINT)exp); \ - c = GetPixel(hdc, 0, 0); \ - ok(c == exp, "GetPixel failed: got 0x%06x expected 0x%06x\n", c, (UINT)exp); \ - c = GetNearestColor(hdc, color); \ - ok(c == exp, "GetNearestColor failed: got 0x%06x expected 0x%06x\n", c, (UINT)exp); \ +static void _test_color( int line, HDC hdc, COLORREF color, COLORREF exp ) +{ + COLORREF c; + c = SetPixel(hdc, 0, 0, color); + ok_(__FILE__, line)(c == exp, "SetPixel failed: got 0x%06x expected 0x%06x\n", c, exp); + c = GetPixel(hdc, 0, 0); + ok_(__FILE__, line)(c == exp, "GetPixel failed: got 0x%06x expected 0x%06x\n", c, exp); + c = GetNearestColor(hdc, color); + ok_(__FILE__, line)(c == exp, "GetNearestColor failed: got 0x%06x expected 0x%06x\n", c, exp); } +#define test_color(hdc, color, exp) _test_color( __LINE__, hdc, color, exp ) + static void test_dib_bits_access( HBITMAP hdib, void *bits ) { @@ -1514,6 +1516,113 @@ static void test_bitmap(void) DeleteDC(hdc); } +static COLORREF get_nearest( int r, int g, int b ) +{ + return (r*r + g*g + b*b < (255-r)*(255-r) + (255-g)*(255-g) + (255-b)*(255-b)) ? 0x000000 : 0xffffff; +} + +static int is_black_pen( COLORREF fg, COLORREF bg, int r, int g, int b ) +{ + if (fg == 0 || bg == 0xffffff) return RGB(r,g,b) != 0xffffff && RGB(r,g,b) != bg; + return RGB(r,g,b) == 0x000000 || RGB(r,g,b) == bg; +} + +static void test_bitmap_colors( HDC hdc, COLORREF fg, COLORREF bg, int r, int g, int b ) +{ + static const WORD pattern_bits[] = { 0x5555, 0xaaaa, 0x5555, 0xaaaa, 0x5555, 0xaaaa, 0x5555, 0xaaaa }; + WORD bits[16]; + COLORREF res; + HBRUSH old_brush; + HPEN old_pen; + HBITMAP pattern; + + res = SetPixel( hdc, 0, 0, RGB(r,g,b) ); + ok( res == get_nearest( r, g, b ), + "wrong result %06x for %02x,%02x,%02x fg %06x bg %06x\n", res, r, g, b, fg, bg ); + res = GetPixel( hdc, 0, 0 ); + ok( res == get_nearest( r, g, b ), + "wrong result %06x for %02x,%02x,%02x fg %06x bg %06x\n", res, r, g, b, fg, bg ); + res = GetNearestColor( hdc, RGB(r,g,b) ); + ok( res == get_nearest( r, g, b ), + "wrong result %06x for %02x,%02x,%02x fg %06x bg %06x\n", res, r, g, b, fg, bg ); + + /* solid pen */ + old_pen = SelectObject( hdc, CreatePen( PS_SOLID, 1, RGB(r,g,b) )); + MoveToEx( hdc, 0, 0, NULL ); + LineTo( hdc, 16, 0 ); + res = GetPixel( hdc, 0, 0 ); + ok( res == (is_black_pen( fg, bg, r, g, b ) ? 0 : 0xffffff), + "wrong result %06x for %02x,%02x,%02x fg %06x bg %06x\n", res, r, g, b, fg, bg ); + GetBitmapBits( GetCurrentObject( hdc, OBJ_BITMAP ), sizeof(bits), bits ); + ok( bits[0] == (is_black_pen( fg, bg, r, g, b ) ? 0x00 : 0xffff), + "wrong bits %04x for %02x,%02x,%02x fg %06x bg %06x\n", bits[0], r, g, b, fg, bg ); + DeleteObject( SelectObject( hdc, old_pen )); + + /* mono DDB pattern brush */ + pattern = CreateBitmap( 16, 8, 1, 1, pattern_bits ); + old_brush = SelectObject( hdc, CreatePatternBrush( pattern )); + PatBlt( hdc, 0, 0, 16, 16, PATCOPY ); + GetBitmapBits( GetCurrentObject( hdc, OBJ_BITMAP ), sizeof(bits), bits ); + ok( bits[0] == 0x5555, + "wrong bits %04x for %02x,%02x,%02x fg %06x bg %06x\n", bits[0], r, g, b, fg, bg ); + DeleteObject( SelectObject( hdc, old_brush )); + DeleteObject( pattern ); +} + +static void test_mono_bitmap(void) +{ + static const COLORREF colors[][2] = + { + { RGB(0x00,0x00,0x00), RGB(0xff,0xff,0xff) }, + { RGB(0xff,0xff,0xff), RGB(0x00,0x00,0x00) }, + { RGB(0x00,0x00,0x00), RGB(0xff,0xff,0xfe) }, + { RGB(0x00,0x01,0x00), RGB(0xff,0xff,0xff) }, + { RGB(0x00,0x00,0x00), RGB(0x80,0x80,0x80) }, + { RGB(0x80,0x80,0x80), RGB(0xff,0xff,0xff) }, + { RGB(0x30,0x40,0x50), RGB(0x60,0x70,0x80) }, + { RGB(0xa0,0xa0,0xa0), RGB(0x20,0x30,0x10) }, + { PALETTEINDEX(0), PALETTEINDEX(255) }, + { PALETTEINDEX(1), PALETTEINDEX(2) }, + }; + + HBITMAP hbmp; + HDC hdc; + DWORD col; + int i, r, g, b; + + hdc = CreateCompatibleDC(0); + assert(hdc != 0); + + hbmp = CreateBitmap(16, 16, 1, 1, NULL); + assert(hbmp != NULL); + + SelectObject( hdc, hbmp ); + + for (col = 0; col < sizeof(colors) / sizeof(colors[0]); col++) + { + SetTextColor( hdc, colors[col][0] ); + SetBkColor( hdc, colors[col][1] ); + + for (i = 0; i < 256; i++) + { + HPALETTE pal = GetCurrentObject( hdc, OBJ_PAL ); + PALETTEENTRY ent; + + if (!GetPaletteEntries( pal, i, 1, &ent )) GetPaletteEntries( pal, 0, 1, &ent ); + test_color( hdc, PALETTEINDEX(i), get_nearest( ent.peRed, ent.peGreen, ent.peBlue )); + test_color( hdc, DIBINDEX(i), (i == 1) ? 0xffffff : 0x000000 ); + } + + for (r = 0; r < 256; r += 15) + for (g = 0; g < 256; g += 15) + for (b = 0; b < 256; b += 15) + test_bitmap_colors( hdc, colors[col][0], colors[col][1], r, g, b ); + } + + DeleteDC(hdc); + DeleteObject(hbmp); +} + static void test_bmBits(void) { BYTE bits[4]; @@ -5386,6 +5495,7 @@ START_TEST(bitmap) test_dib_formats(); test_mono_dibsection(); test_bitmap(); + test_mono_bitmap(); test_bmBits(); test_GetDIBits_selected_DIB(1); test_GetDIBits_selected_DIB(4);
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Alexandre Julliard