Commit 52ec457d authored by Paul Asmuth's avatar Paul Asmuth
Browse files

implement horizontal text alignment

parent 0ac638cb

README.md

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signaltk

========



A set of command line utilities and C++ classes for creating toolkit for creating

high-quality charts, figures and dashboards.

A toolkit for creating data-driven graphics, such as charts, figures and

dashboards.



Documentation: [signaltk.org](http://signaltk.org/)

src/signaltk/core/text.cc

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@@ -22,12 +22,12 @@ TextStyle::TextStyle() : 


Status drawText(

    const std::string& text,

    const TextStyle& text_style,

    double x,

    double y,

    const TextStyle& text_style,

    Layer* layer) {

  FontInfo font_info {

    .font_file = "/usr/share/fonts/google-roboto/Roboto-Regular.ttf",

    .font_file = "/Library/Fonts/Arial.ttf",

    .font_size = 12

  };

src/signaltk/core/text.h

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@@ -53,9 +53,9 @@ struct GlyphPlacement { 


Status drawText(

    const std::string& text,

    const TextStyle& text_style,

    double x,

    double y,

    const TextStyle& text_style,

    Layer* layer);



Status drawTextGlyphs(

src/signaltk/plot/axes.cc

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@@ -98,7 +98,7 @@ Status renderAxisVertical( 
    TextStyle style;

    style.halign = TextHAlign::LEFT;

    style.valign = TextVAlign::TOP;

    if (auto rc = drawText(label_text, style, x, y, target); rc != OK) {

    if (auto rc = drawText(label_text, x, y, style, target); rc != OK) {

      return rc;

    }

  }

src/signaltk/text/text_layout.cc

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@@ -38,6 +38,18 @@ Status layoutTextLTR( 


  auto gx = x;

  auto gy = y;



  switch (halign) {

    case TextHAlign::LEFT:

      break;

    case TextHAlign::CENTER:

      gx -= line_length / 2;

      break;

    case TextHAlign::RIGHT:

      gx -= line_length;

      break;

  }



  for (const auto& gi : glyphs) {

    GlyphPlacement g;

    glyph_cb(GlyphPlacement {

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