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gdiplus: Detect broken GdipMeasureCharacterRanges behaviour before performing the font height scaling test.

This commit is contained in:
Dmitry Timoshkov 2012-10-08 16:50:28 +09:00 committed by Alexandre Julliard
parent e664c2bd3a
commit 2551ce4ea7
1 changed files with 50 additions and 11 deletions
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61
dlls/gdiplus/tests/graphics.c
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@ -3725,7 +3725,7 @@ static void test_font_height_scaling(void)
GpFont *font;
GpStatus status;
RectF bounds, rect;
REAL height, dpi;
REAL height, dpi, scale;
PointF ptf;
GpUnit gfx_unit, font_unit;
@ -3745,6 +3745,51 @@ static void test_font_height_scaling(void)
status = GdipGetDpiY(graphics, &dpi);
expect(Ok, status);
/* First check if tested functionality works:
* under XP if font and graphics units differ then GdipTransformPoints
* followed by GdipSetPageUnit to change the graphics units breaks region
* scaling in GdipMeasureCharacterRanges called later.
*/
status = GdipSetPageUnit(graphics, UnitDocument);
expect(Ok, status);
ptf.X = 0.0;
ptf.Y = 0.0;
status = GdipTransformPoints(graphics, CoordinateSpaceWorld, CoordinateSpaceDevice, &ptf, 1);
expect(Ok, status);
status = GdipSetPageUnit(graphics, UnitInch);
expect(Ok, status);
status = GdipCreateFont(family, 720.0, FontStyleRegular, UnitPoint, &font);
expect(Ok, status);
set_rect_empty(&rect);
set_rect_empty(&bounds);
status = GdipMeasureString(graphics, string, -1, font, &rect, format, &bounds, NULL, NULL);
expect(Ok, status);
trace("test bounds: %f,%f,%f,%f\n", bounds.X, bounds.Y, bounds.Width, bounds.Height);
set_rect_empty(&rect);
rect.Width = 32000.0;
rect.Height = 32000.0;
status = GdipMeasureCharacterRanges(graphics, string, -1, font, &rect, format, 1, &region);
expect(Ok, status);
set_rect_empty(&rect);
status = GdipGetRegionBounds(region, graphics, &rect);
expect(Ok, status);
trace("test region: %f,%f,%f,%f\n", rect.X, rect.Y, rect.Width, rect.Height);
GdipDeleteFont(font);
scale = rect.Height / bounds.Height;
if (fabs(scale - 1.0) > 0.1)
{
win_skip("GdipGetRegionBounds is broken, scale %f (should be near 1.0)\n", scale);
return;
}
/* UnitPixel = 2, UnitPoint = 3, UnitInch = 4, UnitDocument = 5, UnitMillimeter = 6 */
/* UnitPixel as a font base unit is not tested because it drastically
differs in behaviour */
@ -3785,12 +3830,12 @@ static void test_font_height_scaling(void)
status = GdipTransformPoints(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, &ptf, 1);
expect(Ok, status);
match = fabs(100.0 - ptf.Y) <= 1.0;
ok(match || broken(!match) /* before win7 */, "Expected 100.0, got %f\n", ptf.Y);
ok(match, "Expected 100.0, got %f\n", ptf.Y);
/* verify the result */
ptf.Y = units_to_pixels(bounds.Height, gfx_unit, dpi);
match = fabs(100.0 - ptf.Y) <= 1.1;
ok(match || broken(!match) /* before win7 */, "Expected 100.0, got %f\n", ptf.Y);
ok(match, "Expected 100.0, got %f\n", ptf.Y);
/* bounds.width of 1 glyph: [margin]+[width]+[margin] */
set_rect_empty(&rect);
@ -3826,22 +3871,16 @@ static void test_font_height_scaling(void)
else
ok(rect.X > 0.0, "wrong rect.X %f\n", rect.X);
expectf(0.0, rect.Y);
/* before Win7 GdipMeasureCharacterRanges behaviour is completely broken */
/* FIXME: Wine uses integer gdi32 regions and rounding breaks things */
if (margin < 1.0)
{
match = fabs(margin - rect.X) < 0.25;
ok(match || broken(!match) /* before win7 */, "Expected %f, got %f\n", margin, rect.X);
ok(match, "Expected %f, got %f\n", margin, rect.X);
}
else
{
match = fabs(margin - rect.X) <= 0.5;
ok(match || broken(!match) /* before win7 */, "Expected %f, got %f\n", margin, rect.X);
}
if (!match)
{
win_skip("GdipMeasureCharacterRanges ignores units before Win7\n");
continue;
ok(match, "Expected %f, got %f\n", margin, rect.X);
}
/* FIXME: Wine uses integer gdi32 regions and rounding breaks things */
if (height < 1.0)