2.2.3.6 MilGlyphBitmap
The MilGlyphBitmap structure describes a bitmap stored in the glyph cache for later consumption by a glyph run resource. The MilGlyphBitmap structure comprises a header, immediately followed by the described bitmap elements. The bitmap is made up of 1-bit elements.
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horOriginX |
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horOriginY |
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horAdvance |
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verOriginX |
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verOriginY |
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width |
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height |
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stride |
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bitmapElements (variable) |
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horOriginX (4 bytes): A 32-bit signed integer. Contains the offset along the X-axis that is applied (added) to the glyph anchor point to get the coordinate of the left edge of rectangle where the glyph MUST be placed. This value is used for regular text and is irrelevant when text is rendered vertically. Measured in number of bitmap elements.
horOriginY (4 bytes): A 32-bit signed integer. Contains the offset along the Y-axis that is applied (subtracted) from the glyph anchor point to get the coordinate of the top edge of rectangle where the glyph MUST be placed. This value is used for regular text and is irrelevant when text is rendered vertically. Measured in number of bitmap elements.
horAdvance (4 bytes): A 32-bit signed integer. Contains the offset along the X-axis that is subtracted from the glyph position when the text is right-to-left. Measured in number of bitmap elements.
verOriginX (4 bytes): A 32-bit signed integer. Contains the offset along the X-axis that is applied (added) to the glyph anchor point to get the coordinate of left edge of rectangle where the glyph MUST be placed. This value is used when text is rendered vertically and is irrelevant for regular text. Measured in bitmap elements.
verOriginY (4 bytes): A 32-bit signed integer. Contains the offset along the Y-axis that is applied (added) to the glyph anchor point to get the coordinate of top edge of rectangle where the glyph MUST be placed. This value is used when text is rendered vertically and is irrelevant for regular text. Measured in number of bitmap elements.
width (4 bytes): A 32-bit unsigned integer. Specifies the bitmap width, measured in number of bitmap elements.
height (4 bytes): A 32-bit unsigned integer. Specifies the bitmap height, measured in number of bitmap elements.
stride (4 bytes): A 32-bit unsigned integer. Specifies the number of bytes stored in one row of pixels. The stride field MUST be aligned to a 32-bit boundary.
bitmapElements (variable): An array of bitmap elements, each 1 bit in length. The length of this field is x bytes, where x = stride * height.