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author | Lei Zhang <thestig@chromium.org> | 2017-12-01 20:05:23 +0000 |
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committer | Chromium commit bot <commit-bot@chromium.org> | 2017-12-01 20:05:23 +0000 |
commit | 967af6fabb527e58d0b166b2db1f9c44d9450402 (patch) | |
tree | 017c8cce559d51956eaf015c7c319fd88338a7a9 /core/fxcrt/fx_coordinates_unittest.cpp | |
parent | b6254e82cfb0fb2c0c3d02f6f40c1163017439a8 (diff) | |
download | pdfium-967af6fabb527e58d0b166b2db1f9c44d9450402.tar.xz |
Add CFX_FloatRect::Scale().
Unlike ScaleFromCenterPoint(), Scale() just scales the LBRT values.
Also add unit tests for CFX_FloatRect::Normalize().
Change-Id: Iebf48fa9adcf47adff3255b157d3e3056f3687fc
Reviewed-on: https://pdfium-review.googlesource.com/20212
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Diffstat (limited to 'core/fxcrt/fx_coordinates_unittest.cpp')
-rw-r--r-- | core/fxcrt/fx_coordinates_unittest.cpp | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/core/fxcrt/fx_coordinates_unittest.cpp b/core/fxcrt/fx_coordinates_unittest.cpp index 23d99e46d1..5be3aa83f9 100644 --- a/core/fxcrt/fx_coordinates_unittest.cpp +++ b/core/fxcrt/fx_coordinates_unittest.cpp @@ -64,6 +64,81 @@ TEST(CFX_FloatRect, GetBBox) { EXPECT_FLOAT_EQ(6.3f, rect.top); } +TEST(CFX_FloatRect, Normalize) { + CFX_FloatRect rect; + rect.Normalize(); + EXPECT_FLOAT_EQ(0.0f, rect.left); + EXPECT_FLOAT_EQ(0.0f, rect.bottom); + EXPECT_FLOAT_EQ(0.0f, rect.right); + EXPECT_FLOAT_EQ(0.0f, rect.top); + + rect = CFX_FloatRect(-1.0f, -3.0f, 4.5f, 3.2f); + rect.Normalize(); + EXPECT_FLOAT_EQ(-1.0f, rect.left); + EXPECT_FLOAT_EQ(-3.0f, rect.bottom); + EXPECT_FLOAT_EQ(4.5f, rect.right); + EXPECT_FLOAT_EQ(3.2f, rect.top); + rect.Scale(-1.0f); + rect.Normalize(); + EXPECT_FLOAT_EQ(-4.5f, rect.left); + EXPECT_FLOAT_EQ(-3.2f, rect.bottom); + EXPECT_FLOAT_EQ(1.0f, rect.right); + EXPECT_FLOAT_EQ(3.0f, rect.top); +} + +TEST(CFX_FloatRect, Scale) { + CFX_FloatRect rect(-1.0f, -3.0f, 4.5f, 3.2f); + rect.Scale(1.0f); + EXPECT_FLOAT_EQ(-1.0f, rect.left); + EXPECT_FLOAT_EQ(-3.0f, rect.bottom); + EXPECT_FLOAT_EQ(4.5f, rect.right); + EXPECT_FLOAT_EQ(3.2f, rect.top); + rect.Scale(0.5f); + EXPECT_FLOAT_EQ(-0.5, rect.left); + EXPECT_FLOAT_EQ(-1.5, rect.bottom); + EXPECT_FLOAT_EQ(2.25f, rect.right); + EXPECT_FLOAT_EQ(1.6f, rect.top); + rect.Scale(2.0f); + EXPECT_FLOAT_EQ(-1.0f, rect.left); + EXPECT_FLOAT_EQ(-3.0f, rect.bottom); + EXPECT_FLOAT_EQ(4.5f, rect.right); + EXPECT_FLOAT_EQ(3.2f, rect.top); + rect.Scale(-1.0f); + EXPECT_FLOAT_EQ(1.0f, rect.left); + EXPECT_FLOAT_EQ(3.0f, rect.bottom); + EXPECT_FLOAT_EQ(-4.5f, rect.right); + EXPECT_FLOAT_EQ(-3.2f, rect.top); + rect.Scale(0.0f); + EXPECT_FLOAT_EQ(0.0f, rect.left); + EXPECT_FLOAT_EQ(0.0f, rect.bottom); + EXPECT_FLOAT_EQ(0.0f, rect.right); + EXPECT_FLOAT_EQ(0.0f, rect.top); +} + +TEST(CFX_FloatRect, ScaleEmpty) { + CFX_FloatRect rect; + rect.Scale(1.0f); + EXPECT_FLOAT_EQ(0.0f, rect.left); + EXPECT_FLOAT_EQ(0.0f, rect.bottom); + EXPECT_FLOAT_EQ(0.0f, rect.right); + EXPECT_FLOAT_EQ(0.0f, rect.top); + rect.Scale(0.5f); + EXPECT_FLOAT_EQ(0.0f, rect.left); + EXPECT_FLOAT_EQ(0.0f, rect.bottom); + EXPECT_FLOAT_EQ(0.0f, rect.right); + EXPECT_FLOAT_EQ(0.0f, rect.top); + rect.Scale(2.0f); + EXPECT_FLOAT_EQ(0.0f, rect.left); + EXPECT_FLOAT_EQ(0.0f, rect.bottom); + EXPECT_FLOAT_EQ(0.0f, rect.right); + EXPECT_FLOAT_EQ(0.0f, rect.top); + rect.Scale(0.0f); + EXPECT_FLOAT_EQ(0.0f, rect.left); + EXPECT_FLOAT_EQ(0.0f, rect.bottom); + EXPECT_FLOAT_EQ(0.0f, rect.right); + EXPECT_FLOAT_EQ(0.0f, rect.top); +} + TEST(CFX_FloatRect, ScaleFromCenterPoint) { CFX_FloatRect rect(-1.0f, -3.0f, 4.5f, 3.2f); rect.ScaleFromCenterPoint(1.0f); |