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2D移植完成

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种太阳的热带美短
2026-09-03 11:52:15 +08:00
parent ee7dd69198
commit 57aff3568c
193 changed files with 3647 additions and 8315 deletions
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render_2D/tests/Frame_Pixel_Format_Test.cpp
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@@ -1,84 +1,18 @@
#include <render_2D/base/Frame_2D.hpp>
#include <render_2D/module/scene/frame/Frame_2D.hpp>
#include <gtest/gtest.h>
namespace {
using namespace aethera;
using namespace aethera::render_2d;
void paint_translucent_red(Frame_2D& frame) {
auto& target = aethera::render_2d::detail::Frame_2D_Access::render_target(&frame);
aethera::render_2d::detail::Painter painter(target, Size{1, 1});
painter.rect(Rect_F{0.0, 0.0, 1.0, 1.0},
Pen{Color::transparent(), 0.0, Line_Style::none},
Brush{Color{255, 0, 0, 128}, Brush_Style::solid});
}
}
TEST(frame_pixel_format, publishes_native_bgra_premultiplied_by_default) {
Frame_2D frame{Frame_Identity{1, 0}};
paint_translucent_red(frame);
const auto pixels = frame.output_pixels();
ASSERT_EQ(pixels.format, Pixel_Format::bgra8_premultiplied);
ASSERT_EQ(pixels.bytes.size(), 4U);
EXPECT_EQ(std::to_integer<unsigned>(pixels.bytes[0]), 0U);
EXPECT_EQ(std::to_integer<unsigned>(pixels.bytes[1]), 0U);
EXPECT_EQ(std::to_integer<unsigned>(pixels.bytes[2]), 128U);
EXPECT_EQ(std::to_integer<unsigned>(pixels.bytes[3]), 128U);
}
TEST(frame_pixel_format, uses_blend2d_to_publish_straight_rgba) {
Frame_2D frame{Frame_Identity{2, 0}, Pixel_Format::rgba8};
paint_translucent_red(frame);
const auto pixels = frame.output_pixels();
ASSERT_EQ(pixels.format, Pixel_Format::rgba8);
ASSERT_EQ(pixels.bytes.size(), 4U);
EXPECT_GE(std::to_integer<unsigned>(pixels.bytes[0]), 254U);
EXPECT_EQ(std::to_integer<unsigned>(pixels.bytes[1]), 0U);
EXPECT_EQ(std::to_integer<unsigned>(pixels.bytes[2]), 0U);
EXPECT_EQ(std::to_integer<unsigned>(pixels.bytes[3]), 128U);
}
TEST(framebuffer_view, writes_only_the_requested_external_image_region) {
Blend2D_Cache framebuffer;
framebuffer.ensure_size(Size{8, 6});
{
aethera::render_2d::detail::Painter painter(
framebuffer, Size{8, 6}, Rect_F{2.0, 1.0, 3.0, 2.0});
painter.rect(Rect_F{0.0, 0.0, 8.0, 6.0},
Pen{.style = Line_Style::none},
Brush{Color::red_color(), Brush_Style::solid});
}
const Image_View view = framebuffer.view();
ASSERT_EQ(view.width, 8);
ASSERT_EQ(view.height, 6);
for (int y = 0; y < view.height; ++y) {
const auto* row = reinterpret_cast<const Pixel*>(
view.data.data() + static_cast<std::ptrdiff_t>(y) * view.stride);
for (int x = 0; x < view.width; ++x) {
const bool inside = x >= 2 && x < 5 && y >= 1 && y < 3;
EXPECT_EQ(row[x] != 0, inside) << "pixel " << x << ',' << y;
}
}
}
TEST(framebuffer_view, overlapping_views_share_the_same_authoritative_pixels) {
Blend2D_Cache framebuffer;
framebuffer.ensure_size(Size{8, 6});
{
aethera::render_2d::detail::Painter first(
framebuffer, Size{8, 6}, Rect_F{1.0, 1.0, 4.0, 3.0});
first.rect(Rect_F{0.0, 0.0, 8.0, 6.0},
Pen{.style = Line_Style::none},
Brush{Color::red_color(), Brush_Style::solid});
}
{
aethera::render_2d::detail::Painter second(
framebuffer, Size{8, 6}, Rect_F{3.0, 2.0, 4.0, 3.0});
second.rect(Rect_F{0.0, 0.0, 8.0, 6.0},
Pen{.style = Line_Style::none},
Brush{Color{0, 0, 255, 255}, Brush_Style::solid});
}
const Image_View view = framebuffer.view();
const auto pixel = [&](int x, int y) {
const auto* row = reinterpret_cast<const Pixel*>(
view.data.data() + static_cast<std::ptrdiff_t>(y) * view.stride);
return row[x];
};
EXPECT_NE(pixel(2, 2), 0u);
EXPECT_NE(pixel(4, 3), 0u);
EXPECT_NE(pixel(2, 2), pixel(4, 3));
TEST(Frame_Pixel_Format, Converts_The_Authoritative_Native_Frame_On_Output) {
Frame_2D frame{{1, 0}, Pixel_Format::rgba8};
auto& cache = aethera::render_2d::detail::Frame_2D_Access::render_target(&frame);
cache.ensure_size({2, 1});
aethera::render_2d::detail::Painter painter(cache, {2, 1});
painter.rect({0.0, 0.0, 2.0, 1.0}, Pen{.style = Line_Style::none}, Brush{Color{10, 20, 30, 255}, Brush_Style::solid});
const auto output = frame.output_pixels();
EXPECT_EQ(output.format, Pixel_Format::rgba8);
EXPECT_EQ(output.width, 2);
EXPECT_EQ(output.height, 1);
EXPECT_EQ(output.bytes.size(), 8U);
}
} // namespace