36 lines
1.6 KiB
C++
36 lines
1.6 KiB
C++
#include <render_2D/base/Frame_2D.hpp>
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#include <gtest/gtest.h>
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namespace {
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using namespace aethera;
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using namespace aethera::render_2d;
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void paint_translucent_red(Frame_2D& frame) {
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auto& target = aethera::render_2d::detail::Frame_2D_Access::render_target(&frame);
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aethera::render_2d::detail::Painter painter(target, Size{1, 1});
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painter.rect(Rect_F{0.0, 0.0, 1.0, 1.0},
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Pen{Color::transparent(), 0.0, Line_Style::none},
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Brush{Color{255, 0, 0, 128}, Brush_Style::solid});
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}
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}
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TEST(frame_pixel_format, publishes_native_bgra_premultiplied_by_default) {
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Frame_2D frame{Frame_Identity{1, 0}};
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paint_translucent_red(frame);
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const auto pixels = frame.output_pixels();
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ASSERT_EQ(pixels.format, Pixel_Format::bgra8_premultiplied);
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ASSERT_EQ(pixels.bytes.size(), 4U);
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EXPECT_EQ(std::to_integer<unsigned>(pixels.bytes[0]), 0U);
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EXPECT_EQ(std::to_integer<unsigned>(pixels.bytes[1]), 0U);
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EXPECT_EQ(std::to_integer<unsigned>(pixels.bytes[2]), 128U);
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EXPECT_EQ(std::to_integer<unsigned>(pixels.bytes[3]), 128U);
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}
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TEST(frame_pixel_format, uses_blend2d_to_publish_straight_rgba) {
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Frame_2D frame{Frame_Identity{2, 0}, Pixel_Format::rgba8};
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paint_translucent_red(frame);
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const auto pixels = frame.output_pixels();
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ASSERT_EQ(pixels.format, Pixel_Format::rgba8);
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ASSERT_EQ(pixels.bytes.size(), 4U);
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EXPECT_GE(std::to_integer<unsigned>(pixels.bytes[0]), 254U);
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EXPECT_EQ(std::to_integer<unsigned>(pixels.bytes[1]), 0U);
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EXPECT_EQ(std::to_integer<unsigned>(pixels.bytes[2]), 0U);
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EXPECT_EQ(std::to_integer<unsigned>(pixels.bytes[3]), 128U);
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}
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