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gdiplus: Add a test for measuring string that doesn't fit into layout rectangle.

This commit is contained in:
Dmitry Timoshkov 2012-08-20 12:07:47 +09:00 committed by Alexandre Julliard
parent 466dfee115
commit 003333e6cb
1 changed files with 126 additions and 0 deletions
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126
dlls/gdiplus/tests/graphics.c
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@ -36,6 +36,14 @@ static const REAL mm_per_inch = 25.4;
static const REAL point_per_inch = 72.0;
static HWND hwnd;
static void set_rect_empty(RectF *rc)
{
rc->X = 0.0;
rc->Y = 0.0;
rc->Width = 0.0;
rc->Height = 0.0;
}
/* converts a given unit to its value in pixels */
static REAL units_to_pixels(REAL units, GpUnit unit, REAL dpi)
{
@ -3769,6 +3777,123 @@ static void test_font_height_scaling(void)
status = GdipDeleteGraphics(graphics);
expect(Ok, status);
DeleteDC(hdc);
GdipDeleteFontFamily(family);
GdipDeleteStringFormat(format);
}
static void test_measure_string(void)
{
static const WCHAR tahomaW[] = { 'T','a','h','o','m','a',0 };
static const WCHAR string[] = { 'A','0','1',0 };
HDC hdc;
GpStringFormat *format;
GpGraphics *graphics;
GpFontFamily *family;
GpFont *font;
GpStatus status;
RectF bounds, rect;
REAL width, height, width_1, width_2;
int lines, glyphs;
status = GdipCreateStringFormat(StringFormatFlagsNoWrap, LANG_NEUTRAL, &format);
expect(Ok, status);
status = GdipCreateFontFamilyFromName(tahomaW, NULL, &family);
expect(Ok, status);
hdc = CreateCompatibleDC(0);
status = GdipCreateFromHDC(hdc, &graphics);
status = GdipCreateFont(family, 20, FontStyleRegular, UnitPixel, &font);
expect(Ok, status);
set_rect_empty(&rect);
set_rect_empty(&bounds);
status = GdipMeasureString(graphics, string, -1, font, &rect, format, &bounds, &glyphs, &lines);
expect(Ok, status);
expect(3, glyphs);
expect(1, lines);
width = bounds.Width;
height = bounds.Height;
set_rect_empty(&rect);
rect.Height = height / 2.0;
set_rect_empty(&bounds);
status = GdipMeasureString(graphics, string, -1, font, &rect, format, &bounds, &glyphs, &lines);
expect(Ok, status);
expect(3, glyphs);
expect(1, lines);
expectf(width, bounds.Width);
todo_wine
expectf(height / 2.0, bounds.Height);
set_rect_empty(&rect);
set_rect_empty(&bounds);
status = GdipMeasureString(graphics, string, 1, font, &rect, format, &bounds, &glyphs, &lines);
expect(Ok, status);
expect(1, glyphs);
expect(1, lines);
ok(bounds.Width < width / 2.0, "width of 1 glyph is wrong\n");
expectf(height, bounds.Height);
width_1 = bounds.Width;
set_rect_empty(&rect);
set_rect_empty(&bounds);
status = GdipMeasureString(graphics, string, 2, font, &rect, format, &bounds, &glyphs, &lines);
expect(Ok, status);
expect(2, glyphs);
expect(1, lines);
ok(bounds.Width < width, "width of 2 glyphs is wrong\n");
ok(bounds.Width > width_1, "width of 2 glyphs is wrong\n");
expectf(height, bounds.Height);
width_2 = bounds.Width;
set_rect_empty(&rect);
rect.Width = width / 2.0;
set_rect_empty(&bounds);
status = GdipMeasureString(graphics, string, -1, font, &rect, format, &bounds, &glyphs, &lines);
expect(Ok, status);
expect(1, glyphs);
expect(1, lines);
expectf_(width_1, bounds.Width, 0.01);
expectf(height, bounds.Height);
set_rect_empty(&rect);
rect.Height = height;
rect.Width = width - 0.05;
set_rect_empty(&bounds);
status = GdipMeasureString(graphics, string, -1, font, &rect, format, &bounds, &glyphs, &lines);
expect(Ok, status);
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expect(2, glyphs);
expect(1, lines);
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expectf_(width_2, bounds.Width, 0.01);
expectf(height, bounds.Height);
set_rect_empty(&rect);
rect.Height = height;
rect.Width = width_2 - 0.05;
set_rect_empty(&bounds);
status = GdipMeasureString(graphics, string, -1, font, &rect, format, &bounds, &glyphs, &lines);
expect(Ok, status);
todo_wine
expect(1, glyphs);
expect(1, lines);
todo_wine
expectf_(width_1, bounds.Width, 0.01);
expectf(height, bounds.Height);
status = GdipDeleteFont(font);
expect(Ok, status);
status = GdipDeleteGraphics(graphics);
expect(Ok, status);
DeleteDC(hdc);
GdipDeleteFontFamily(family);
GdipDeleteStringFormat(format);
}
START_TEST(graphics)
@ -3797,6 +3922,7 @@ START_TEST(graphics)
GdiplusStartup(&gdiplusToken, &gdiplusStartupInput, NULL);
test_measure_string();
test_font_height_scaling();
test_transform();
test_GdipMeasureString();