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don't crash if font load fails

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This commit is contained in:
Seth Alves 2015-02-17 14:52:20 -08:00
parent dd64eeb282
commit 9fcb7591e6
1 changed files with 10 additions and 2 deletions
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12
libraries/render-utils/src/TextRenderer.cpp
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@ -511,6 +511,9 @@ TextRenderer::TextRenderer(const char* family, float pointSize, int weight,
bool italic, EffectType effect, int effectThickness,
const QColor& color) :
_effectType(effect), _effectThickness(effectThickness), _pointSize(pointSize), _color(color), _font(loadFont(family)) {
if (!_font) {
qWarning() << "Unable to load font with family " << family;
}
if (1 != _effectThickness) {
qWarning() << "Effect thickness not current supported";
}
@ -524,7 +527,10 @@ TextRenderer::~TextRenderer() {
glm::vec2 TextRenderer::computeExtent(const QString & str) const {
float scale = (_pointSize / DEFAULT_POINT_SIZE) * 0.25f;
return _font->computeExtent(str) * scale;
if (_font) {
return _font->computeExtent(str) * scale;
}
return glm::vec2(0.1f,0.1f);
}
float TextRenderer::draw(float x, float y, const QString & str,
@ -544,7 +550,9 @@ float TextRenderer::draw(float x, float y, const QString & str,
// scale at all.
mv.translate(glm::vec2(x, y)).scale(glm::vec3(scale, -scale, scale));
// The font does all the OpenGL work
result = _font->drawString(x, y, str, actualColor, _effectType, bounds / scale);
if (_font) {
result = _font->drawString(x, y, str, actualColor, _effectType, bounds / scale);
}
});
return result.x;
}