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Add tests of storing HiDPI images in generic wxImageList (wxOSX, wxGTK3)

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This commit is contained in:
Artur Wieczorek
2021-04-05 12:18:05 +02:00
parent 94ed0463d0
commit dc43d15cf7
1 changed files with 222 additions and 0 deletions
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222
tests/graphics/imagelist.cpp
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@@ -750,3 +750,225 @@ TEST_CASE("ImageList:NegativeTests", "[imagelist][negative]")
CHECK(il.GetImageCount() == 1); CHECK(il.GetImageCount() == 1);
} }
} }
TEST_CASE("ImageList:HiDPI", "[imagelist][hidpi]")
{
#if defined(__WXMSW__) || ( defined(__WXGTK20__) && !defined(__WXGTK3__) )
WARN("Skipping HiDPI image tests known not to work in wxMSW and wxGTK2.");
#else
wxImage img(16, 8);
img.SetRGB(wxRect(0, 0, 16, 8), 255, 128, 64);
REQUIRE(img.IsOk());
wxBitmap bmp1x(img, -1, 1.0);
REQUIRE(bmp1x.IsOk());
CHECK(bmp1x.GetWidth() == 16);
CHECK(bmp1x.GetHeight() == 8);
CHECK(bmp1x.GetScaledWidth() == 16);
CHECK(bmp1x.GetScaledHeight() == 8);
CHECK_FALSE(bmp1x.HasAlpha());
CHECK(bmp1x.GetMask() == NULL);
wxBitmap bmp2x(img, -1, 2.0);
REQUIRE(bmp2x.IsOk());
CHECK(bmp2x.GetWidth() == 16);
CHECK(bmp2x.GetHeight() == 8);
CHECK(bmp2x.GetScaledWidth() == 8);
CHECK(bmp2x.GetScaledHeight() == 4);
CHECK_FALSE(bmp2x.HasAlpha());
CHECK(bmp2x.GetMask() == NULL);
SECTION("Add images 2x to the list 2x")
{
// Logical image size
wxImageList il(8, 4, false);
int idx = il.Add(bmp2x);
CHECK(idx == 0);
CHECK(il.GetImageCount() == 1);
idx = il.Add(bmp1x);
CHECK(idx == -1);
CHECK(il.GetImageCount() == 1);
idx = il.Add(bmp2x);
CHECK(idx == 1);
CHECK(il.GetImageCount() == 2);
idx = il.Add(bmp1x);
CHECK(idx == -1);
CHECK(il.GetImageCount() == 2);
wxBitmap bmp = il.GetBitmap(1);
CHECK(bmp.IsOk() == true);
CHECK(bmp.GetScaleFactor() == 2.0);
CHECK(bmp.GetScaledWidth() == 8);
CHECK(bmp.GetScaledHeight() == 4);
CHECK(bmp.GetWidth() == 16);
CHECK(bmp.GetHeight() == 8);
CHECK_FALSE(bmp.HasAlpha());
CHECK(bmp.GetMask() == NULL);
}
SECTION("Add images 2x to the list 1x")
{
// Logical image size
wxImageList il(16, 8, false);
int idx = il.Add(bmp1x);
CHECK(idx == 0);
CHECK(il.GetImageCount() == 1);
idx = il.Add(bmp2x);
CHECK(idx == -1);
CHECK(il.GetImageCount() == 1);
idx = il.Add(bmp1x);
CHECK(idx == 1);
CHECK(il.GetImageCount() == 2);
idx = il.Add(bmp2x);
CHECK(idx == -1);
CHECK(il.GetImageCount() == 2);
wxBitmap bmp = il.GetBitmap(1);
CHECK(bmp.IsOk() == true);
CHECK(bmp.GetScaleFactor() == 1.0);
CHECK(bmp.GetScaledWidth() == 16);
CHECK(bmp.GetScaledHeight() == 8);
CHECK(bmp.GetWidth() == 16);
CHECK(bmp.GetHeight() == 8);
CHECK_FALSE(bmp.HasAlpha());
CHECK(bmp.GetMask() == NULL);
}
SECTION("Replaces images in the list 2x")
{
// Logical image size
wxImageList il(8, 4, false);
int idx = il.Add(bmp2x);
CHECK(idx == 0);
CHECK(il.GetImageCount() == 1);
idx = il.Add(bmp2x);
CHECK(idx == 1);
CHECK(il.GetImageCount() == 2);
bool ok = il.Replace(1, bmp1x);
CHECK_FALSE(ok);
CHECK(il.GetImageCount() == 2);
ok = il.Replace(0, bmp2x);
CHECK(ok == true);
CHECK(il.GetImageCount() == 2);
wxBitmap bmp = il.GetBitmap(0);
CHECK(bmp.IsOk() == true);
CHECK(bmp.GetScaleFactor() == 2.0);
CHECK(bmp.GetScaledWidth() == 8);
CHECK(bmp.GetScaledHeight() == 4);
CHECK(bmp.GetWidth() == 16);
CHECK(bmp.GetHeight() == 8);
CHECK_FALSE(bmp.HasAlpha());
CHECK(bmp.GetMask() == NULL);
}
SECTION("Replaces images in the list 1x")
{
// Logical image size
wxImageList il(16, 8, false);
int idx = il.Add(bmp1x);
CHECK(idx == 0);
CHECK(il.GetImageCount() == 1);
idx = il.Add(bmp1x);
CHECK(idx == 1);
CHECK(il.GetImageCount() == 2);
bool ok = il.Replace(1, bmp2x);
CHECK_FALSE(ok);
CHECK(il.GetImageCount() == 2);
ok = il.Replace(0, bmp1x);
CHECK(ok == true);
CHECK(il.GetImageCount() == 2);
wxBitmap bmp = il.GetBitmap(0);
CHECK(bmp.GetScaleFactor() == 1.0);
CHECK(bmp.GetScaledWidth() == 16);
CHECK(bmp.GetScaledHeight() == 8);
CHECK(bmp.GetWidth() == 16);
CHECK(bmp.GetHeight() == 8);
CHECK_FALSE(bmp.HasAlpha());
CHECK(bmp.GetMask() == NULL);
}
SECTION("Changes list 1x to 2x")
{
wxImage img2(32, 16);
img2.SetRGB(wxRect(0, 0, 32, 16), 255, 128, 64);
REQUIRE(img2.IsOk());
wxBitmap bmp2x2(img2, -1, 2.0);
REQUIRE(bmp2x2.IsOk());
CHECK(bmp2x2.GetWidth() == 32);
CHECK(bmp2x2.GetHeight() == 16);
CHECK(bmp2x2.GetScaledWidth() == 16);
CHECK(bmp2x2.GetScaledHeight() == 8);
CHECK(bmp2x2.HasAlpha() == false);
CHECK(bmp2x2.GetMask() == NULL);
// Logical image size
wxImageList il(16, 8, false);
// Now it should be the list with 1x images
int idx = il.Add(bmp1x);
CHECK(idx == 0);
CHECK(il.GetImageCount() == 1);
idx = il.Add(bmp1x);
CHECK(idx == 1);
CHECK(il.GetImageCount() == 2);
idx = il.Add(bmp2x2);
CHECK(idx == -1);
CHECK(il.GetImageCount() == 2);
wxBitmap bmp = il.GetBitmap(0);
CHECK(bmp.GetScaleFactor() == 1.0);
CHECK(bmp.GetScaledWidth() == 16);
CHECK(bmp.GetScaledHeight() == 8);
CHECK(bmp.GetWidth() == 16);
CHECK(bmp.GetHeight() == 8);
CHECK_FALSE(bmp.HasAlpha());
CHECK(bmp.GetMask() == NULL);
il.RemoveAll();
// Now it should be the list with 2x images (the same logical size 16x8)
idx = il.Add(bmp2x2);
CHECK(idx == 0);
CHECK(il.GetImageCount() == 1);
idx = il.Add(bmp2x2);
CHECK(idx == 1);
CHECK(il.GetImageCount() == 2);
idx = il.Add(bmp1x);
CHECK(idx == -1);
CHECK(il.GetImageCount() == 2);
bmp = il.GetBitmap(0);
CHECK(bmp.GetScaleFactor() == 2.0);
CHECK(bmp.GetScaledWidth() == 16);
CHECK(bmp.GetScaledHeight() == 8);
CHECK(bmp.GetWidth() == 32);
CHECK(bmp.GetHeight() == 16);
CHECK_FALSE(bmp.HasAlpha());
CHECK(bmp.GetMask() == NULL);
}
#endif // !__WXMSW__
}