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Aspose.SVG for .NET 25.2 Release Notes

Major Features

We are pleased to announce the February release of Aspose.SVG for .NET 25.2.0. In this version, we have focused on improving the quality of SVG rendering and reducing the dependency on System.Drawing.Common. Notable changes include the introduction of a new IBitmap interface for image manipulation, a WebRotateFlipType enumeration for flexible image transformations, and enhanced documentation for rendering properties like UseAntialiasing and UseHinting. These updates empower developers to create, manipulate, and render SVG content more efficiently and with greater control.

Enhancements and Fixes

  • New IBitmap Interface

    • A dedicated interface for handling bitmap images without relying on System.Drawing.Common.
    • Methods for drawing, saving, and transforming images, as well as setting transparency.

  • Support for Image Rotation and Flipping

    • The new WebRotateFlipType enumeration enables rotating and flipping images in various combinations, replacing ad-hoc approaches and providing a unified API for transformations.

  • Improved Rendering Options

    • UseAntialiasing (in ImageRenderingOptions) now clearly specifies whether antialiasing is enabled.
    • UseHinting (in TextOptions) clarifies the role of font hinting in text rendering.

  • Refined Font Style Enumeration

    • Updated the documentation of WebFontStyle to provide more descriptive entries for Regular, Bold, and Italic.

Public API Changes

Added

  1. Aspose.Svg.Drawing.IBitmap Interface

    • Properties
      • ColorSpace, ColorTable, Format, Width, Height, HorizontalResolution, VerticalResolution
    • Methods
      • ApplyOpacity(float opacity), DrawBitmap(...), FillRectangle(...), GetPixelsMap(...), RotateFlip(WebRotateFlipType), Save(Stream, WebImageFormat, int), SetTransparent(Color)

  2. WebRotateFlipType Enumeration

    • Provides various combinations of rotation (none, 90, 180, 270) and flipping (horizontal, vertical, both).

  3. Extended IDrawingFactory Methods

    • CreateBitmapFromImageByteArray(byte[] imageBytes)
    • CreateBitmapFromImageStream(Stream imageStream)
    • CreateBitmapFromPixelByteArray(byte[] byteArray, int width, int height, ColorSpace colorSpace)
    • All now return an IBitmap instance for simplified image creation.

Modified

  • WebFontStyle Enumeration

    • Updated descriptions for Regular, Bold, and Italic to clarify usage.

  • ImageRenderingOptions.UseAntialiasing

    • Explicitly documents whether to apply antialiasing during image rendering.

  • TextOptions.UseHinting

    • Explicitly documents whether to use font hinting when rendering text.

Impact on Existing Code

  • Avoiding System.Drawing.Common
    • The new IBitmap interface and associated factories help transition away from System.Drawing.Common, improving cross-platform consistency and long-term support.
  • Improved Render Quality
    • UseAntialiasing and UseHinting provide clearer control over how images and text are rendered, offering higher quality output.

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