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VG_TEXT(3) Library Functions Manual VG_TEXT(3) NAME VG_Text -- agar-vg text entity SYNOPSIS #include <agar/core.h> #include <agar/gui.h> #include <agar/vg.h> DESCRIPTION VG_Text is a VG(3) node class which displays a text label. The posi- tion and orientation of the label is described by two points. INTERFACE VG_Text * VG_TextNew(VG_Node *parent, VG_Point *p1, VG_Point *p2) void VG_TextString(VG_Text *vg, const char *text) void VG_TextPrintf(VG_Text *vg, const char *fmt, ...) void VG_TextAlignment(VG_Text *vt, enum vg_alignment alignment) void VG_TextFontFace(VG_Text *vt, const char *face) void VG_TextFontSize(VG_Text *vt, int points) void VG_TextFontFlags(VG_Text *vt, Uint flags) void VG_TextSubstObject(VG_Text *vt, AG_Object *obj) The VG_TextNew() function creates a new text entity attached to parent. The text will be aligned with a line described by the points p1 and p2. The functions VG_TextString() and VG_TextPrintf() change the text asso- ciated with the element. A NULL argument will result in no text being displayed. VG_TextAlignment() specifies the alignment of the text: enum vg_alignment { VG_ALIGN_TL, VG_ALIGN_TC, VG_ALIGN_TR, VG_ALIGN_ML, VG_ALIGN_MC, VG_ALIGN_MR, VG_ALIGN_BL, VG_ALIGN_BC, VG_ALIGN_BR }; VG_TextFontFace() sets the font face to use in rendering the text (for example, the "algue" built-in, or a font filename). See AG_Text(3) for details. VG_TextFontSize() sets the size of the font in points. VG_TextFontFlags() sets various text rendering options, as documented in AG_Text(3). The VG_TextSubstObject() function enables run-time substitution of AG_Variable(3) references in the text. Before the text is rendered to the display, references of the form "$(foo)" will be substituted for the contents of the variable `foo' of object obj. SEE ALSO VG(3), VG_Point(3) HISTORY The VG_Text class first appeared in Agar 1.3.3. Agar 1.7 December 21, 2022 VG_TEXT(3)
NAME | SYNOPSIS | DESCRIPTION | INTERFACE | SEE ALSO | HISTORY
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