TestPatternBinding Class Reference

Public Member Functions
	TestPatternBinding (int width, int height)
	~TestPatternBinding ()
	TestPatternBinding (const TestPatternBinding &)=delete
TestPatternBinding &	operator= (const TestPatternBinding &)=delete
bool	valid () const
bool	render (int width, int height, int index, double time, bool cadence, PatternPixels output)

Detailed Description

Definition at line 12 of file test_pattern.cpp.

Constructor & Destructor Documentation

TestPatternBinding() [1/2]

TestPatternBinding::TestPatternBinding ( int width, int height )

inline

Definition at line 14 of file test_pattern.cpp.

                                            {
    if (test_pattern_create(width, height, &pattern_) != ASCIICHAT_OK)
      pattern_ = nullptr;
  }

References ASCIICHAT_OK, height, test_pattern_create(), and width.

Referenced by operator=(), and TestPatternBinding().

~TestPatternBinding()

TestPatternBinding::~TestPatternBinding ( )

inline

Definition at line 18 of file test_pattern.cpp.

                        {
    if (pattern_)
      test_pattern_destroy(pattern_);
  }

References test_pattern_destroy().

TestPatternBinding() [2/2]

TestPatternBinding::TestPatternBinding ( const TestPatternBinding & )

delete

References TestPatternBinding().

Member Function Documentation

operator=()

TestPatternBinding & TestPatternBinding::operator= ( const TestPatternBinding & )

delete

References TestPatternBinding().

render()

bool TestPatternBinding::render ( int width, int height, int index, double time, bool cadence, PatternPixels output )

inline

Definition at line 27 of file test_pattern.cpp.

                                                                                                 {
    if (!pattern_) {
      SET_ERRNO(ERROR_INVALID_STATE, "Test pattern is not initialized");
      return false;
    }
    if (width <= 0 || height <= 0 ||
        static_cast<uint64_t>(width) * static_cast<uint64_t>(height) * 4 != output["length"].as<size_t>()) {
      SET_ERRNO(ERROR_INVALID_PARAM, "Invalid test pattern image: %dx%d", width, height);
      return false;
    }
    if (test_pattern_resize(pattern_, width, height) != ASCIICHAT_OK ||
        test_pattern_render(pattern_, index, time, cadence) != ASCIICHAT_OK)
      return false;
    const uint8_t *pixels = test_pattern_rgba(pattern_);
    if (!pixels)
      return false;
    output.call<void>("set", emscripten::val(emscripten::typed_memory_view(output["length"].as<size_t>(), pixels)));
    return true;
  }

References ASCIICHAT_OK, ERROR_INVALID_PARAM, ERROR_INVALID_STATE, height, index, SET_ERRNO, test_pattern_render(), test_pattern_resize(), test_pattern_rgba(), and width.

Referenced by EMSCRIPTEN_BINDINGS().

valid()

bool TestPatternBinding::valid ( ) const

inline

Definition at line 24 of file test_pattern.cpp.

                     {
    return pattern_ != nullptr;
  }

Referenced by EMSCRIPTEN_BINDINGS().

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The documentation for this class was generated from the following file:

• test_pattern.cpp