JDK-8020457 : Fontmatrix for Type1 fonts is not used correctly
- Type: Bug
- Component: client-libs
- Sub-Component: 2d
- Affected Version: 6,7,8
- Priority: P3
- Status: Resolved
- Resolution: Fixed
- OS: generic
- CPU: generic
- Submitted: 2013-07-12
- Updated: 2020-08-04
- Resolved: 2013-09-02
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| JDK 6 | JDK 7 | JDK 8 |
|---|---|---|
| 6u71Fixed | 7u60Fixed  |
8 b110Fixed |
Description
Type1 fonts have a fontmatrix to define the transformation matrix of the glyphs for rendering. This matrix is defined in the font file as : /FontMatrix [0.001 0 0 0.001 0 0] readonly def Usually this matrix is isotropic, meaning the scaling in the x direction is the same as the scaling in the y direction. However, in some cases, the matrix is anisotropic to synthesize a narrow font. Example for a HelveticaNarrow type 1 font : /FontMatrix [0.00082 0 0 0.001 0 0] readonly def Java seems to not take in account the scaling difference between the x and y axis, and ignore the content of those values in the FontMatrix.
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