gdi32/tests: Add tests for color mappings in monochrome bitmaps.

oldstable
Alexandre Julliard 2012-05-17 22:22:46 +02:00
parent b81a7d976e
commit 8761bb29ea
1 changed files with 119 additions and 9 deletions

View File

@ -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);