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tom-weatherhead/thaw-image-processing.ts

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src/util/composite.ts

Summary

Maintainability
C
1 day
Test Coverage

Function compositeImageFromBuffers has 15 arguments (exceeds 4 allowed). Consider refactoring.
Open

    dstBuffer: ThAWImageBufferType,
    dstWidth: number,
    dstHeight: number,
    dstInitialRowOffset: number,
    dstRowStride: number,
Severity: Major
Found in src/util/composite.ts - About 1 hr to fix

    Function compositeImageFromBuffers has 45 lines of code (exceeds 25 allowed). Consider refactoring.
    Open

    export function compositeImageFromBuffers(
    dstBuffer: ThAWImageBufferType,
    dstWidth: number,
    dstHeight: number,
    dstInitialRowOffset: number,
    Severity: Minor
    Found in src/util/composite.ts - About 1 hr to fix

      Function compositeTest has 34 lines of code (exceeds 25 allowed). Consider refactoring.
      Open

      export function compositeTest(srcImage: IThAWImage): IThAWImage {
    // const dstImage = generateTestImage_RedGreenGradient(srcImage.width, srcImage.height, fnCreateImage);

    const red = 255;
    const green = 0;
      Severity: Minor
      Found in src/util/composite.ts - About 1 hr to fix

        Function generateTestImage_SingleRGBAColour has 6 arguments (exceeds 4 allowed). Consider refactoring.
        Open

            width: number,
    height: number,
    red: number,
    green: number,
    blue: number,
        Severity: Minor
        Found in src/util/composite.ts - About 45 mins to fix

          Function compositeImageFromBuffers has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
          Open

          export function compositeImageFromBuffers(
    dstBuffer: ThAWImageBufferType,
    dstWidth: number,
    dstHeight: number,
    dstInitialRowOffset: number,
          Severity: Minor
          Found in src/util/composite.ts - About 25 mins to fix

          Cognitive Complexity

          Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

          A method's cognitive complexity is based on a few simple rules:

          • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
          • Code is considered more complex for each "break in the linear flow of the code"
          • Code is considered more complex when "flow breaking structures are nested"

          Further reading

          Similar blocks of code found in 2 locations. Consider refactoring.
          Open

                              dstBuffer[dstPixelOffset + 0] = Math.round(
                        srcBuffer[srcPixelOffset + 0] * normalizedAlpha +
                            dstBuffer[dstPixelOffset + 0] *
                                normalizedAlphaComplement
                    );
          Severity: Minor
          Found in src/util/composite.ts and 1 other location - About 55 mins to fix
          src/util/composite.ts on lines 126..130

          Duplicated Code

          Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

          Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

          When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

          Tuning

          This issue has a mass of 53.

          We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

          The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

          If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

          See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

          Refactorings

          Further Reading

          Similar blocks of code found in 2 locations. Consider refactoring.
          Open

                              dstBuffer[dstPixelOffset + 2] = Math.round(
                        srcBuffer[srcPixelOffset + 2] * normalizedAlpha +
                            dstBuffer[dstPixelOffset + 2] *
                                normalizedAlphaComplement
                    );
          Severity: Minor
          Found in src/util/composite.ts and 1 other location - About 55 mins to fix
          src/util/composite.ts on lines 137..141

          Duplicated Code

          Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

          Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

          When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

          Tuning

          This issue has a mass of 53.

          We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

          The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

          If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

          See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

          Refactorings

          Further Reading

          Similar blocks of code found in 2 locations. Consider refactoring.
          Open

                              dstBuffer[dstPixelOffset + 1] = Math.round(
                        srcBuffer[srcPixelOffset + 1] * normalizedAlpha +
                            dstBuffer[dstPixelOffset + 1] *
                                normalizedAlphaComplement
                    );
          Severity: Minor
          Found in src/util/composite.ts and 1 other location - About 50 mins to fix
          src/util/composite.ts on lines 120..124

          Duplicated Code

          Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

          Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

          When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

          Tuning

          This issue has a mass of 51.

          We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

          The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

          If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

          See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

          Refactorings

          Further Reading

          Similar blocks of code found in 2 locations. Consider refactoring.
          Open

                              dstBuffer[dstPixelOffset + 3] = Math.round(
                        srcBuffer[srcPixelOffset + 3] * normalizedAlpha +
                            dstBuffer[dstPixelOffset + 3] *
                                normalizedAlphaComplement
                    );
          Severity: Minor
          Found in src/util/composite.ts and 1 other location - About 50 mins to fix
          src/util/composite.ts on lines 131..135

          Duplicated Code

          Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

          Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

          When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

          Tuning

          This issue has a mass of 51.

          We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

          The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

          If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

          See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

          Refactorings

          Further Reading

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