Operation Manual

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Preflight (Acrobat Pro DC)
Last updated 4/7/2015
Displays the content stream as a sequence of page content operators. Expand the subtree for an operator to view its
operands. This is the default view.
Q
Groups all operators in the content stream that belong to the same graphic state nesting level within a pair of the
q/Q operators. Expand the subtree for a q/Q pair to view the operator and parameters inside.
BMC
Similar to Q, but arranges content streams by marked content (BMC/EMC) nesting levels.
BT/ET
Arranges content streams by text blocks, which are enclosed by BT and ET operators.
Snippet
Displays content streams as a series of snippets. A snippet is a contiguous group of objects that share the same
graphic state. In this view, each snippet represents a type of drawing operation (for example, paint area) and its
graphic state.
Browse the internal font structure
View the internal structure of embedded fonts in a PDF in greater detail than the preflight results with a graphical view
that shows the outline and coordinates of each glyph. You can determine the source of various preflight problems, such
as mismatches caused by inconsistent glyph widths.
Before you can browse the internal font structure, you must run a preflight check.
1 In the Preflight window, choose Browse Internal Structure Of All Document Fonts from the Options menu.
To view the structure of a single font, expand the Fonts entry in Results > Overview. Then select a font and choose
Browse Internal Font Structure from the Options menu.
2 To view the glyph details, click any of the following buttons:
Display Grid
Shows the origin of the glyph’s coordinate space, indicated by two green-colored orthogonal lines.
Display Boxes
Shows the area used by the selected glyph and the maximum area used by all glyphs using blue lines that coincide
on the top and bottom.
Display Filling
Shows the areas of a filled glyph as medium gray.
Display Points
Shows all the points used to define the glyph’s outline. Black points indicate the outline’s contour. Red points indicate
bezier curves and are offset from the outline’s contour.
Display Cursor
Shows the position of the currently selected point, indicated by two magenta-colored orthogonal lines. This button
is available only if Display Points is selected.
3 To adjust the size of the glyph display area, drag the handle between the tree view and the glyph display area up or
down.