C++ (Cpp) PositionedGlyph Examples

Example #1

File: juce_GlyphArrangement.cpp Project: BrainDamage/ambix

void GlyphArrangement::addCurtailedLineOfText (const Font& font,
                                               const String& text,
                                               const float xOffset,
                                               const float yOffset,
                                               const float maxWidthPixels,
                                               const bool useEllipsis)
{
    if (text.isNotEmpty())
    {
        Array<int> newGlyphs;
        Array<float> xOffsets;
        font.getGlyphPositions (text, newGlyphs, xOffsets);
        const int textLen = newGlyphs.size();
        glyphs.ensureStorageAllocated (glyphs.size() + textLen);

        String::CharPointerType t (text.getCharPointer());

        for (int i = 0; i < textLen; ++i)
        {
            const float nextX = xOffsets.getUnchecked (i + 1);

            if (nextX > maxWidthPixels + 1.0f)
            {
                // curtail the string if it's too wide..
                if (useEllipsis && textLen > 3 && glyphs.size() >= 3)
                    insertEllipsis (font, xOffset + maxWidthPixels, 0, glyphs.size());

                break;
            }
            else
            {
                const float thisX = xOffsets.getUnchecked (i);
                const bool isWhitespace = t.isWhitespace();

                glyphs.add (PositionedGlyph (font, t.getAndAdvance(),
                                             newGlyphs.getUnchecked(i),
                                             xOffset + thisX, yOffset,
                                             nextX - thisX, isWhitespace));
            }
        }
    }
}

Example #2

File: juce_GlyphArrangement.cpp Project: JordanTHarris/Painter

int GlyphArrangement::insertEllipsis (const Font& font, const float maxXPos,
                                      const int startIndex, int endIndex)
{
    int numDeleted = 0;

    if (glyphs.size() > 0)
    {
        Array<int> dotGlyphs;
        Array<float> dotXs;
        font.getGlyphPositions ("..", dotGlyphs, dotXs);

        const float dx = dotXs[1];
        float xOffset = 0.0f, yOffset = 0.0f;

        while (endIndex > startIndex)
        {
            const PositionedGlyph& pg = glyphs.getReference (--endIndex);
            xOffset = pg.x;
            yOffset = pg.y;

            glyphs.remove (endIndex);
            ++numDeleted;

            if (xOffset + dx * 3 <= maxXPos)
                break;
        }

        for (int i = 3; --i >= 0;)
        {
            glyphs.insert (endIndex++, PositionedGlyph (font, '.', dotGlyphs.getFirst(),
                                                        xOffset, yOffset, dx, false));
            --numDeleted;
            xOffset += dx;

            if (xOffset > maxXPos)
                break;
        }
    }

    return numDeleted;
}