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Decode PPI face payloads

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This commit is contained in:
omigamedev
2026-06-01 13:35:03 +02:00
parent 10e5d5b5ae
commit 88507df90e
13 changed files with 349 additions and 15 deletions
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67
tests/assets/image_pixels_tests.cpp Normal file
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#include "assets/image_pixels.h"
#include "test_harness.h"
#include <array>
#include <cstddef>
#include <cstdint>
#include <span>
using pp::assets::decode_png_rgba8;
using pp::foundation::StatusCode;
namespace {
constexpr std::array<std::byte, 68> transparent_png_1x1 {
std::byte { 0x89 }, std::byte { 0x50 }, std::byte { 0x4e }, std::byte { 0x47 },
std::byte { 0x0d }, std::byte { 0x0a }, std::byte { 0x1a }, std::byte { 0x0a },
std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x0d },
std::byte { 0x49 }, std::byte { 0x48 }, std::byte { 0x44 }, std::byte { 0x52 },
std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x01 },
std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x01 },
std::byte { 0x08 }, std::byte { 0x06 }, std::byte { 0x00 }, std::byte { 0x00 },
std::byte { 0x00 }, std::byte { 0x1f }, std::byte { 0x15 }, std::byte { 0xc4 },
std::byte { 0x89 }, std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x00 },
std::byte { 0x0b }, std::byte { 0x49 }, std::byte { 0x44 }, std::byte { 0x41 },
std::byte { 0x54 }, std::byte { 0x78 }, std::byte { 0x9c }, std::byte { 0x63 },
std::byte { 0x60 }, std::byte { 0x00 }, std::byte { 0x02 }, std::byte { 0x00 },
std::byte { 0x00 }, std::byte { 0x05 }, std::byte { 0x00 }, std::byte { 0x01 },
std::byte { 0x7a }, std::byte { 0x5e }, std::byte { 0xab }, std::byte { 0x3f },
std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x00 },
std::byte { 0x49 }, std::byte { 0x45 }, std::byte { 0x4e }, std::byte { 0x44 },
std::byte { 0xae }, std::byte { 0x42 }, std::byte { 0x60 }, std::byte { 0x82 },
};
void decodes_png_to_rgba8_pixels(pp::tests::Harness& h)
{
const auto image = decode_png_rgba8(transparent_png_1x1);
PP_EXPECT(h, image.ok());
PP_EXPECT(h, image.value().width == 1U);
PP_EXPECT(h, image.value().height == 1U);
PP_EXPECT(h, image.value().pixels.size() == 4U);
PP_EXPECT(h, image.value().pixels[0] == 0U);
PP_EXPECT(h, image.value().pixels[1] == 0U);
PP_EXPECT(h, image.value().pixels[2] == 0U);
PP_EXPECT(h, image.value().pixels[3] == 0U);
}
void rejects_corrupt_png_payload(pp::tests::Harness& h)
{
auto corrupt = transparent_png_1x1;
corrupt[0] = std::byte { 0x00 };
const auto image = decode_png_rgba8(corrupt);
PP_EXPECT(h, !image.ok());
PP_EXPECT(h, image.status().code == StatusCode::invalid_argument);
}
}
int main()
{
pp::tests::Harness harness;
harness.run("decodes_png_to_rgba8_pixels", decodes_png_to_rgba8_pixels);
harness.run("rejects_corrupt_png_payload", rejects_corrupt_png_payload);
return harness.finish();
}