[PATCH] d2d1/tests: Add tests for 2D affine effect.

[Ziqing Hui]

Signed-off-by: Ziqing Hui <zhui at codeweavers.com>
---
 dlls/d2d1/tests/d2d1.c | 127 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 127 insertions(+)

diff --git a/dlls/d2d1/tests/d2d1.c b/dlls/d2d1/tests/d2d1.c
index 3e2eda8a4a4..e9bb31ad6ff 100644
--- a/dlls/d2d1/tests/d2d1.c
+++ b/dlls/d2d1/tests/d2d1.c
@@ -9875,6 +9875,132 @@ static void test_effect(BOOL d3d11)
     release_test_context(&ctx);
 }
 
+static void test_effect_2d_affine(BOOL d3d11)
+{
+    D2D1_MATRIX_3X2_F rotate, scale, skew;
+    D2D1_BITMAP_PROPERTIES1 bitmap_desc;
+    D2D_RECT_F output_bounds = {0};
+    struct d2d1_test_context ctx;
+    struct resource_readback rb;
+    ID2D1DeviceContext *context;
+    D2D1_SIZE_U input_size;
+    ID2D1Factory1 *factory;
+    ID2D1Bitmap1 *bitmap;
+    ID2D1Effect *effect;
+    ID2D1Image *output;
+    unsigned int i;
+    DWORD colour;
+    HRESULT hr;
+
+    const DWORD image_4x4[] =
+    {
+        0xfdcba987, 0xffff0000, 0x98765432, 0xffffffff,
+        0x4b4b4b4b, 0x89abcdef, 0xdeadbeef, 0xabcdef01,
+        0x7f000011, 0x40ffffff, 0x12345678, 0xaabbccdd,
+        0x44444444, 0xff7f7f7f, 0x1221abba, 0x00000000
+    };
+    DWORD image_16x16[16 * 16];
+
+    const struct effect_2d_affine_test
+    {
+        const DWORD *img_data;
+        unsigned int img_width;
+        unsigned int img_height;
+
+        D2D1_MATRIX_3X2_F *matrix;
+
+        D2D_RECT_F bounds;
+        DWORD origin_colour;
+    }
+    effect_2d_affine_tests[] =
+    {
+        {image_4x4,   4,  4,  &rotate,    {-6.0f,  -3.0f, 2.0f,  4.0f},   0x7b7b7b7b},
+        {image_4x4,   4,  4,  &scale,     {-2.0f,  -3.0f, 1.0f,  9.0f},   0xd0d7e482},
+        {image_4x4,   4,  4,  &skew,      {-7.0f,  -3.0f, 3.0f,  7.0f},   0x4c3b2a19},
+        {image_16x16, 16, 16, &rotate,    {-14.0f, -3.0f, 10.0f, 21.0f},  0x7f7f7f7f},
+        {image_16x16, 16, 16, &scale,     {-2.0f,  -3.0f, 10.0f, 39.0f},  0xffffffff},
+        {image_16x16, 16, 16, &skew,      {-19.0f, -3.0f, 15.0f, 31.0f},  0x7f7f7f7f},
+    };
+
+    memset(image_16x16, 0xff, sizeof(image_16x16));
+    set_matrix_identity(&rotate);
+    set_matrix_identity(&scale);
+    set_matrix_identity(&skew);
+    translate_matrix(&rotate, -2.0f, -2.0f);
+    translate_matrix(&scale, -2.0f, -2.0f);
+    translate_matrix(&skew, -2.0f, -2.0f);
+    rotate_matrix(&rotate, M_PI_4);
+    scale_matrix(&scale, 0.75f, 2.5f);
+    skew_matrix(&skew, -1.0f, 1.0f);
+
+    if (!init_test_context(&ctx, d3d11))
+        return;
+
+    if (FAILED(D2D1CreateFactory(D2D1_FACTORY_TYPE_SINGLE_THREADED, &IID_ID2D1Factory1, NULL, (void **)&factory)))
+    {
+        win_skip("ID2D1Factory1 is not supported.\n");
+        release_test_context(&ctx);
+        return;
+    }
+
+    hr = ID2D1RenderTarget_QueryInterface(ctx.rt, &IID_ID2D1DeviceContext, (void **)&context);
+    ok(hr == S_OK, "Got unexpected hr %#x.\n", hr);
+
+    hr = ID2D1DeviceContext_CreateEffect(context, &CLSID_D2D12DAffineTransform, &effect);
+    ok(hr == S_OK, "Got unexpected hr %#x.\n", hr);
+
+    for (i = 0; i < ARRAY_SIZE(effect_2d_affine_tests); ++i)
+    {
+        const struct effect_2d_affine_test *test = &effect_2d_affine_tests[i];
+        winetest_push_context("Test %u", i);
+
+        set_size_u(&input_size, test->img_width, test->img_height);
+        bitmap_desc.pixelFormat.format = DXGI_FORMAT_B8G8R8A8_UNORM;
+        bitmap_desc.pixelFormat.alphaMode = D2D1_ALPHA_MODE_IGNORE;
+        bitmap_desc.dpiX = 96.0f;
+        bitmap_desc.dpiY = 96.0f;
+        bitmap_desc.bitmapOptions = D2D1_BITMAP_OPTIONS_NONE;
+        bitmap_desc.colorContext = NULL;
+        hr = ID2D1DeviceContext_CreateBitmap(context, input_size, test->img_data,
+                sizeof(*test->img_data) * test->img_width, &bitmap_desc, &bitmap);
+        ok(hr == S_OK, "Got unexpected hr %#x.\n", hr);
+
+        ID2D1Effect_SetInput(effect, 0, (ID2D1Image *)bitmap, FALSE);
+        todo_wine
+        hr = ID2D1Effect_SetValue(effect, D2D1_2DAFFINETRANSFORM_PROP_TRANSFORM_MATRIX,
+                D2D1_PROPERTY_TYPE_MATRIX_3X2, (const BYTE *)test->matrix, sizeof(*test->matrix));
+        ok(hr == S_OK, "Got unexpected hr %#x.\n", hr);
+        ID2D1Effect_GetOutput(effect, &output);
+
+        ID2D1DeviceContext_GetImageLocalBounds(context, output, &output_bounds);
+        todo_wine
+        ok(compare_rect(&output_bounds, test->bounds.left, test->bounds.top, test->bounds.right, test->bounds.bottom, 1),
+                "Got unexpected output bounds {%.8e, %.8e, %.8e, %.8e}, expected {%.8e, %.8e, %.8e, %.8e}.\n",
+                output_bounds.left, output_bounds.top, output_bounds.right, output_bounds.bottom,
+                test->bounds.left, test->bounds.top, test->bounds.right, test->bounds.bottom);
+
+        ID2D1DeviceContext_BeginDraw(context);
+        ID2D1DeviceContext_Clear(context, 0);
+        ID2D1DeviceContext_DrawImage(context, output, NULL, NULL, 0, 0);
+        hr = ID2D1DeviceContext_EndDraw(context, NULL, NULL);
+        ok(hr == S_OK, "Got unexpected hr %#x.\n", hr);
+        get_surface_readback(&ctx, &rb);
+        colour = get_readback_colour(&rb, 0, 0);
+        todo_wine
+        ok(compare_colour(colour, test->origin_colour, 1),
+                "Got unexpected colour %#x, expected %#x.\n", colour, test->origin_colour);
+
+        ID2D1Image_Release(output);
+        ID2D1Bitmap1_Release(bitmap);
+        winetest_pop_context();
+    }
+
+    ID2D1Effect_Release(effect);
+    ID2D1DeviceContext_Release(context);
+    ID2D1Factory1_Release(factory);
+    release_test_context(&ctx);
+}
+
 START_TEST(d2d1)
 {
     HMODULE d2d1_dll = GetModuleHandleA("d2d1.dll");
@@ -9937,6 +10063,7 @@ START_TEST(d2d1)
     queue_test(test_geometry_group);
     queue_test(test_mt_factory);
     queue_test(test_effect);
+    queue_test(test_effect_2d_affine);
 
     run_queued_tests();
 }
-- 
2.25.1