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Add tests of wxGraphicsBitmap

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Add tests of creating wxGraphicsBitmap from specific to wxMSW and wxOSX
32-bit RGB wxBitmaps (non-alpha).
This commit is contained in:
Artur Wieczorek
2021-02-06 21:19:29 +01:00
parent 5b52a8646b
commit 414f211b8a
1 changed files with 272 additions and 3 deletions
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273
tests/graphics/graphbitmap.cpp
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@@ -39,9 +39,9 @@ typedef wxNativePixelData wxNative32PixelData;
namespace
{
wxBitmap CreateBitmapRGB(int w, int h, bool withMask)
wxBitmap DoCreateBitmapRGB(int w, int h, int bpp, bool withMask)
{
wxBitmap bmp(w, h, 24);
wxBitmap bmp(w, h, bpp);
{
wxMemoryDC dc(bmp);
dc.SetBackground(*wxBLUE_BRUSH);
@@ -77,6 +77,19 @@ wxBitmap CreateBitmapRGB(int w, int h, bool withMask)
return bmp;
}
wxBitmap CreateBitmapRGB(int w, int h, bool withMask)
{
return DoCreateBitmapRGB(w, h, 24, withMask);
}
#if defined(__WXMSW__) || defined(__WXOSX__)
// 32-bit RGB bitmap
wxBitmap CreateBitmapXRGB(int w, int h, bool withMask)
{
return DoCreateBitmapRGB(w, h, 32, withMask);
}
#endif // __WXMSW__ || __WXOSX__
wxBitmap CreateBitmapRGBA(int w, int h, bool withMask)
{
wxBitmap bmp(w, h, 32);
@@ -318,6 +331,130 @@ TEST_CASE("GraphicsBitmapTestCase::Create", "[graphbitmap][create]")
#endif // wxUSE_GRAPHICS_CAIRO
}
#if defined(__WXMSW__) || defined(__WXOSX__)
SECTION("xRGB bitmap without mask")
{
// xRGB bitmap
wxBitmap bmp = CreateBitmapXRGB(8, 8, false);
REQUIRE(bmp.GetDepth() == 32);
REQUIRE_FALSE(bmp.HasAlpha());
REQUIRE(bmp.GetMask() == NULL);
// Reference image
wxImage image = bmp.ConvertToImage();
REQUIRE_FALSE(image.HasAlpha());
REQUIRE_FALSE(image.HasMask());
REQUIRE(image.GetWidth() == bmp.GetWidth());
REQUIRE(image.GetHeight() == bmp.GetHeight());
SECTION("Default GC")
{
wxGraphicsRenderer* gr = wxGraphicsRenderer::GetDefaultRenderer();
REQUIRE(gr != NULL);
CheckCreateGraphBitmap(gr, bmp, image);
}
#if defined(__WXMSW__)
#if wxUSE_GRAPHICS_GDIPLUS
SECTION("GDI+ GC")
{
wxGraphicsRenderer* gr = wxGraphicsRenderer::GetGDIPlusRenderer();
REQUIRE(gr != NULL);
CheckCreateGraphBitmap(gr, bmp, image);
}
#endif // wxUSE_GRAPHICS_GDIPLUS
#if wxUSE_GRAPHICS_DIRECT2D
SECTION("Direct2D GC")
{
wxGraphicsRenderer* gr = wxGraphicsRenderer::GetDirect2DRenderer();
REQUIRE(gr != NULL);
CheckCreateGraphBitmap(gr, bmp, image);
}
#endif // wxUSE_GRAPHICS_DIRECT2D
#endif // __WXMSW__
#if wxUSE_CAIRO
SECTION("Cairo GC")
{
wxGraphicsRenderer* gr = wxGraphicsRenderer::GetCairoRenderer();
REQUIRE(gr != NULL);
CheckCreateGraphBitmap(gr, bmp, image);
}
#endif // wxUSE_GRAPHICS_CAIRO
}
SECTION("xRGB bitmap with mask")
{
// xRGB bitmap
wxBitmap bmp = CreateBitmapXRGB(8, 8, true);
REQUIRE(bmp.GetDepth() == 32);
REQUIRE_FALSE(bmp.HasAlpha());
REQUIRE(bmp.GetMask() != NULL);
// Reference image
wxImage image = bmp.ConvertToImage();
REQUIRE_FALSE(image.HasAlpha());
REQUIRE(image.HasMask() == true);
REQUIRE(image.GetWidth() == bmp.GetWidth());
REQUIRE(image.GetHeight() == bmp.GetHeight());
const wxColour maskCol(image.GetMaskRed(), image.GetMaskGreen(), image.GetMaskBlue());
REQUIRE(maskCol.IsOk());
// wxGraphicsBitmap doesn't have a mask so we need wxImage without mask
// to be compared with created wxGraphicsBitmap.
image.InitAlpha();
REQUIRE(image.HasAlpha() == true);
REQUIRE_FALSE(image.HasMask());
// We need also to remove mask colour from transparent pixels
// for compatibility with wxGraphicsMask.
for ( int y = 0; y < image.GetHeight(); y++ )
for ( int x = 0; x < image.GetWidth(); x++ )
{
if ( image.GetAlpha(x, y) == wxALPHA_TRANSPARENT )
{
image.SetRGB(x, y, 0, 0, 0);
}
}
SECTION("Default GC")
{
wxGraphicsRenderer* gr = wxGraphicsRenderer::GetDefaultRenderer();
REQUIRE(gr != NULL);
CheckCreateGraphBitmap(gr, bmp, image);
}
#if defined(__WXMSW__)
#if wxUSE_GRAPHICS_GDIPLUS
SECTION("GDI+ GC")
{
wxGraphicsRenderer* gr = wxGraphicsRenderer::GetGDIPlusRenderer();
REQUIRE(gr != NULL);
CheckCreateGraphBitmap(gr, bmp, image);
}
#endif // wxUSE_GRAPHICS_GDIPLUS
#if wxUSE_GRAPHICS_DIRECT2D
SECTION("Direct2D GC")
{
wxGraphicsRenderer* gr = wxGraphicsRenderer::GetDirect2DRenderer();
REQUIRE(gr != NULL);
CheckCreateGraphBitmap(gr, bmp, image);
}
#endif // wxUSE_GRAPHICS_DIRECT2D
#endif // __WXMSW__
#if wxUSE_CAIRO
SECTION("Cairo GC")
{
wxGraphicsRenderer* gr = wxGraphicsRenderer::GetCairoRenderer();
REQUIRE(gr != NULL);
CheckCreateGraphBitmap(gr, bmp, image);
}
#endif // wxUSE_GRAPHICS_CAIRO
}
#endif // _WXMSW__ || __WXOSX__
SECTION("RGBA bitmap without mask")
{
// RGBA Bitmap
@@ -569,6 +706,138 @@ TEST_CASE("GraphicsBitmapTestCase::SubBitmap", "[graphbitmap][subbitmap][create]
#endif // wxUSE_GRAPHICS_CAIRO
}
#if defined(__WXMSW__) || defined(__WXOSX__)
SECTION("xRGB bitmap without mask")
{
// xRGB bitmap
wxBitmap bmp = CreateBitmapXRGB(8, 8, false);
REQUIRE(bmp.GetDepth() == 32);
REQUIRE_FALSE(bmp.HasAlpha());
REQUIRE(bmp.GetMask() == NULL);
// Reference image
const int subX = 1;
const int subY = 1;
const int subW = 4;
const int subH = 5;
wxImage image = bmp.ConvertToImage().GetSubImage(wxRect(subX, subY, subW, subH));
REQUIRE_FALSE(image.HasAlpha());
REQUIRE_FALSE(image.HasMask());
REQUIRE(image.GetWidth() == subW);
REQUIRE(image.GetHeight() == subH);
SECTION("Default GC")
{
wxGraphicsRenderer* gr = wxGraphicsRenderer::GetDefaultRenderer();
REQUIRE(gr != NULL);
CheckCreateGraphSubBitmap(gr, bmp, subX, subY, subW, subH, image);
}
#if defined(__WXMSW__)
#if wxUSE_GRAPHICS_GDIPLUS
SECTION("GDI+ GC")
{
wxGraphicsRenderer* gr = wxGraphicsRenderer::GetGDIPlusRenderer();
REQUIRE(gr != NULL);
CheckCreateGraphSubBitmap(gr, bmp, subX, subY, subW, subH, image);
}
#endif // wxUSE_GRAPHICS_GDIPLUS
#if wxUSE_GRAPHICS_DIRECT2D
SECTION("Direct2D GC")
{
wxGraphicsRenderer* gr = wxGraphicsRenderer::GetDirect2DRenderer();
REQUIRE(gr != NULL);
CheckCreateGraphSubBitmap(gr, bmp, subX, subY, subW, subH, image);
}
#endif // wxUSE_GRAPHICS_DIRECT2D
#endif // __WXMSW__
#if wxUSE_CAIRO
SECTION("Cairo GC")
{
wxGraphicsRenderer* gr = wxGraphicsRenderer::GetCairoRenderer();
REQUIRE(gr != NULL);
CheckCreateGraphSubBitmap(gr, bmp, subX, subY, subW, subH, image);
}
#endif // wxUSE_GRAPHICS_CAIRO
}
SECTION("xRGB bitmap with mask")
{
// xRGB bitmap
wxBitmap bmp = CreateBitmapXRGB(8, 8, true);
REQUIRE(bmp.GetDepth() == 32);
REQUIRE_FALSE(bmp.HasAlpha());
REQUIRE(bmp.GetMask() != NULL);
// Reference image
const int subX = 2;
const int subY = 2;
const int subW = 4;
const int subH = 5;
wxImage image = bmp.ConvertToImage().GetSubImage(wxRect(subX, subY, subW, subH));
REQUIRE_FALSE(image.HasAlpha());
REQUIRE(image.HasMask() == true);
REQUIRE(image.GetWidth() == subW);
REQUIRE(image.GetHeight() == subH);
const wxColour maskCol(image.GetMaskRed(), image.GetMaskGreen(), image.GetMaskBlue());
REQUIRE(maskCol.IsOk());
// wxGraphicsBitmap doesn't have a mask so we need wxImage without mask
// to be compared with created wxGraphicsBitmap.
image.InitAlpha();
REQUIRE(image.HasAlpha() == true);
REQUIRE_FALSE(image.HasMask());
// We need also to remove mask colour from transparent pixels
// for compatibility with wxGraphicsMask.
for ( int y = 0; y < image.GetHeight(); y++ )
for ( int x = 0; x < image.GetWidth(); x++ )
{
if ( image.GetAlpha(x, y) == wxALPHA_TRANSPARENT )
{
image.SetRGB(x, y, 0, 0, 0);
}
}
SECTION("Default GC")
{
wxGraphicsRenderer* gr = wxGraphicsRenderer::GetDefaultRenderer();
REQUIRE(gr != NULL);
CheckCreateGraphSubBitmap(gr, bmp, subX, subY, subW, subH, image);
}
#if defined(__WXMSW__)
#if wxUSE_GRAPHICS_GDIPLUS
SECTION("GDI+ GC")
{
wxGraphicsRenderer* gr = wxGraphicsRenderer::GetGDIPlusRenderer();
REQUIRE(gr != NULL);
CheckCreateGraphSubBitmap(gr, bmp, subX, subY, subW, subH, image);
}
#endif // wxUSE_GRAPHICS_GDIPLUS
#if wxUSE_GRAPHICS_DIRECT2D
SECTION("Direct2D GC")
{
wxGraphicsRenderer* gr = wxGraphicsRenderer::GetDirect2DRenderer();
REQUIRE(gr != NULL);
CheckCreateGraphSubBitmap(gr, bmp, subX, subY, subW, subH, image);
}
#endif // wxUSE_GRAPHICS_DIRECT2D
#endif // __WXMSW__
#if wxUSE_CAIRO
SECTION("Cairo GC")
{
wxGraphicsRenderer* gr = wxGraphicsRenderer::GetCairoRenderer();
REQUIRE(gr != NULL);
CheckCreateGraphSubBitmap(gr, bmp, subX, subY, subW, subH, image);
}
#endif // wxUSE_GRAPHICS_CAIRO
}
#endif // __WXMSW__ || __WXOSX__
SECTION("RGBA bitmap without mask")
{
// RGBA Bitmap