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cpdf_setrgbcolor
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cpdf_setrgbcolor

Name

cpdf_setrgbcolor — Sets drawing and filling color to rgb color value

Synopsis

bool cpdf_setrgbcolor(pdfdoc, red, green, blue); resource pdfdoc: PDF document identifier double red: Red component double green: Green component double blue: Blue component

Returns

TRUE on success or FALSE on error

Description

Controls the amount of gray color in drawn and filled object. This differs from cpdf_setrgbcolor_fill() and cpdf_setcolor_stroke() in that is also affects text as well.

Values of red , green and blue should be between 0.0 and 1.0 with 0.0 having the highest color saturation (white) and and 1.0 having the lowest color saturation (black).

Version

Since versions 3.0.8 and 4.0

Example

Example 175. Draw with different colors

// start a PDF document
$cpdf = cpdf_open(0, "test.pdf");

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

// light rgbcolor
cpdf_setrgbcolor($cpdf, 0.9, 0.1, 0.1);
cpdf_rect($cpdf, 30, 550, 180, 30);
cpdf_fill($cpdf);

// darker again
cpdf_setrgbcolor($cpdf, 0.6, 0.1, 0.1);
cpdf_rect($cpdf, 30, 500, 180, 30);
cpdf_fill($cpdf);

cpdf_begin_text($cpdf);
cpdf_set_font($cpdf, "Helvetica", 18, "WinAnsiEncoding");

// darker still
cpdf_setrgbcolor($cpdf, 0.1, 0.1, 0.9);
cpdf_show_xy($cpdf, "Hello World", 30, 450);

// black
cpdf_setrgbcolor($cpdf, 0.0, 0.0, 0.0);
cpdf_show_xy($cpdf, "Hello World", 30, 400);

cpdf_end_text($cpdf);

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

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