Support pad/crop from bottom, not just from the top.

[movit] / padding_effect_test.cpp

diff --git a/padding_effect_test.cpp b/padding_effect_test.cpp
index 767f3e8d4f3a79c654553c3aa9e843f57e629ef4..8c05a1e65c89f5b77c25c60e6d57ad94f54dc302 100644 (file)
--- a/padding_effect_test.cpp
+++ b/padding_effect_test.cpp
@@ -208,6 +208,37 @@ TEST(PaddingEffectTest, Crop) {
        expect_equal(expected_data, out_data, 1, 1);
 }
 
+TEST(PaddingEffectTest, CropFromBottom) {
+       float data[2 * 2] = {
+               1.0f, 0.5f,
+               0.8f, 0.3f,
+       };
+       float expected_data[1 * 1] = {
+               0.5f,
+       };
+       float out_data[1 * 1];
+
+       EffectChainTester tester(NULL, 1, 1);
+
+       ImageFormat format;
+       format.color_space = COLORSPACE_sRGB;
+       format.gamma_curve = GAMMA_LINEAR;
+
+       FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 2, 2);
+       input->set_pixel_data(data);
+       tester.get_chain()->add_input(input);
+
+       Effect *effect = tester.get_chain()->add_effect(new PaddingEffect());
+       CHECK(effect->set_int("width", 1));
+       CHECK(effect->set_int("height", 1));
+       CHECK(effect->set_float("left", -1.0f));
+       CHECK(effect->set_float("top", -1.0f));
+       CHECK(effect->set_int("pad_from_bottom", 1));
+
+       tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED);
+       expect_equal(expected_data, out_data, 1, 1);
+}
+
 TEST(PaddingEffectTest, AlphaIsCorrectEvenWithNonLinearInputsAndOutputs) {
        float data[2 * 1] = {
                1.0f,