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cpdf_translate
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cpdf_translate

Name

cpdf_translate — Sets origin of coordinate system

Synopsis

bool cpdf_translate(pdfdoc, x, y); resource pdfdoc: PDF document identifier double x: X coordinate double y: Y coordinate

Returns

TRUE on success or FALSE on error

Description

Moves the coordinates origin of the current document. Normally coordinates 0,0 refers to the lower left corner, but using cpdf_translate() , this origin can be moved to any point on the page.

If the coordinate system needs to be reset after translating an object, use cpdf_save() and cpdf_restore() .

Version

Since versions 3.0.8 and 4.0

Example

Example 183. Translate coordinate system

$cpdf = cpdf_open(0, "test.pdf");

// create a 600x400 page
cpdf_page_init($cpdf, 1, 0, 600, 400, 1);

cpdf_rect($cpdf, 10, 10, 180, 30);
cpdf_stroke($cpdf);
cpdf_setgray_fill($cpdf, 0);

// move coordinate origin
cpdf_translate($cpdf, 100, 100);

// draw the same rectangle
cpdf_rect($cpdf, 10, 10, 180, 30);
cpdf_stroke($cpdf);

// close and write document
cpdf_finalize($cpdf);
cpdf_close($cpdf);

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