int QNanoFont::getID(NVGcontext* nvg)
{
if (m_fontPropertiesChanged) {
nvgFontSize(nvg, m_size);
nvgFontBlur(nvg, m_blur);
nvgTextLetterSpacing(nvg, m_spacing);
nvgTextLineHeight(nvg, m_lineHeight);
}
if (m_filename.isEmpty()) {
// No font file set, so loading the default font
setFontId(QNanoFont::DEFAULT_FONT_NORMAL);
}
m_id = nvgFindFont(nvg,m_filename.toUtf8().constData());
if (m_id == -1) {
// Font is not yet in cache, so load and add it
QFile file(m_filename);
if (!file.open(QFile::ReadOnly))
{
qWarning() << "Could not open font file: " << m_filename;
} else {
qint64 length = file.bytesAvailable();
char * data = static_cast<char*>(malloc(length));
file.read(data,length);
m_id = nvgCreateFontMem(nvg, m_filename.toUtf8().constData(), reinterpret_cast<unsigned char*>(data), length, 1);
file.close();
}
}
return m_id;
}
void Renderer2D::drawText( const attributes_2d& attributes,Font2D font, const char* text, const float32_t& fontSize,
const color_argb& color, const float32_t& blur, const float32_t& spacing,
const float32_t& lineHeight, const TextAlignment& alignment )
{
Context2D* context = _context2D;
nvgSave( context );
nvgBeginPath( context );
nvgRotate( context, attributes.rotation );
nvgFontSize( context, fontSize * attributes.scale );
nvgFontBlur( context, blur );
nvgTextLetterSpacing(context, spacing);
nvgTextLineHeight(context, lineHeight);
nvgTextAlign(context, alignment.value );
nvgFontFaceId(context, font);
nvgFillColor( context, nvgRGBA( color.r, color.g, color.b, color.a) );
nvgFill(context);
nvgText(context, attributes.position[0], attributes.position[1], text, NULL);
nvgRestore( context );
}
void TextNode::setupContext(NVGcontext& nanoVgContext) const
{
nvgFontFaceId(&nanoVgContext, mFontHandle);
nvgFontSize(&nanoVgContext, mFontSize);
nvgFontBlur(&nanoVgContext, mFontBlur);
nvgTextLetterSpacing(&nanoVgContext, mFontLetterSpacing);
nvgTextLineHeight(&nanoVgContext, mFontLineHeight);
int alignment = static_cast<int>(mHorizontalAlignment) | static_cast<int>(mVerticalAlignment);
nvgTextAlign(&nanoVgContext, alignment);
}
void NVGRenderer::textLetterSpacing(float spacing)
{
nvgTextLetterSpacing(m_context, spacing);
}
void drawClock(NVGcontext* vg, int screenWidth, int screenHeight) {
int clockRadius = (fmin(screenWidth, screenHeight) - 10) / 2;
NVGcolor baseColor = nvgRGB(145, 100, 0);
NVGcolor lighterColor = nvgRGB(200, 140, 0);
NVGcolor dblLighterColor = nvgRGB(255, 177, 0);
NVGcolor lightestColor = nvgRGB(255, 195, 60);
int widthLight = fmax(clockRadius * 0.0075, 1);
int widthMedium = fmax(clockRadius * 0.013, 1);
int widthHeavy = fmax(clockRadius * 0.025, 1);
time_t t = time(NULL);
struct tm localTime = *localtime(&t);
nvgTranslate(vg, screenWidth / 2, screenHeight / 2);
nvgStrokeColor(vg, baseColor);
// Frame
nvgSave(vg);
nvgBeginPath(vg);
nvgCircle(vg, 0, 0, clockRadius);
nvgStrokeWidth(vg, widthMedium);
nvgStroke(vg);
nvgBeginPath(vg);
nvgStrokeColor(vg, lighterColor);
for (int i = 0; i < 12; i++) {
nvgMoveTo(vg, 0, -clockRadius * 0.98);
nvgLineTo(vg, 0, -clockRadius * 0.90);
for (int j = 0; j < 5; j++) {
nvgRotate(vg, 2 * M_PI / 12 / 5);
nvgMoveTo(vg, 0, -clockRadius * 0.98);
nvgLineTo(vg, 0, -clockRadius * 0.95);
}
}
nvgStroke(vg);
nvgBeginPath(vg);
nvgFontFace(vg, "bold");
int digitsRadius = clockRadius * 0.79;
int digitLargeSize = clockRadius * 0.29;
int digitSmallSize = clockRadius * 0.2;
int clockTitleSize = clockRadius * 0.06;
nvgFillColor(vg, dblLighterColor);
char* nineTitle = "9";
nvgFontSize(vg, digitLargeSize);
nvgTranslate(vg, -digitsRadius, 0);
nvgRotate(vg, - 3 * 2 * M_PI / 12);
//nvgTranslate(vg, 0, -digitsRadius);
drawTextCenter(vg, nineTitle, 0, 0);
nvgFill(vg);
nvgFillColor(vg, lighterColor);
char* tenTitle = "10";
nvgFontSize(vg, digitSmallSize);
nvgTranslate(vg, 0, digitsRadius);
nvgRotate(vg, 2 * M_PI / 12);
nvgTranslate(vg, 0, -digitsRadius);
drawTextCenter(vg, tenTitle, 0, 0);
nvgFill(vg);
char* elevenTitle = "11";
nvgTranslate(vg, 0, digitsRadius);
nvgRotate(vg, 2 * M_PI / 12);
nvgTranslate(vg, 0, -digitsRadius);
drawTextCenter(vg, elevenTitle, 0, 0);
nvgFill(vg);
nvgFillColor(vg, dblLighterColor);
char* twelveTitle = "12";
nvgFontSize(vg, digitLargeSize);
nvgTranslate(vg, 0, digitsRadius);
nvgRotate(vg, 2 * M_PI / 12);
nvgTranslate(vg, 0, -digitsRadius);
drawTextCenter(vg, twelveTitle, 0, 0);
nvgFill(vg);
nvgFillColor(vg, lighterColor);
char* oneTitle = "1";
nvgFontSize(vg, digitSmallSize);
nvgTranslate(vg, 0, digitsRadius);
nvgRotate(vg, 2 * M_PI / 12);
nvgTranslate(vg, 0, -digitsRadius);
drawTextCenter(vg, oneTitle, 0, 0);
nvgFill(vg);
char* twoTitle = "2";
nvgTranslate(vg, 0, digitsRadius);
nvgRotate(vg, 2 * M_PI / 12);
nvgTranslate(vg, 0, -digitsRadius);
drawTextCenter(vg, twoTitle, 0, 0);
nvgFill(vg);
nvgFillColor(vg, dblLighterColor);
char* threeTitle = "3";
nvgFontSize(vg, digitLargeSize);
nvgTranslate(vg, 0, digitsRadius);
nvgRotate(vg, 2 * M_PI / 12);
nvgTranslate(vg, 0, -digitsRadius);
drawTextCenter(vg, threeTitle, 0, 0);
nvgFill(vg);
nvgFillColor(vg, lighterColor);
char* fourTitle = "4";
nvgFontSize(vg, digitSmallSize);
nvgTranslate(vg, 0, digitsRadius);
nvgRotate(vg, 2 * M_PI / 12 - M_PI);
nvgTranslate(vg, 0, digitsRadius);
drawTextCenter(vg, fourTitle, 0, 0);
nvgFill(vg);
char* fiveTitle = "5";
nvgTranslate(vg, 0, -digitsRadius);
nvgRotate(vg, 2 * M_PI / 12);
nvgTranslate(vg, 0, digitsRadius);
drawTextCenter(vg, fiveTitle, 0, 0);
nvgFill(vg);
nvgFillColor(vg, dblLighterColor);
char* sixTitle = "6";
nvgFontSize(vg, digitLargeSize);
nvgTranslate(vg, 0, -digitsRadius);
nvgRotate(vg, 2 * M_PI / 12);
nvgTranslate(vg, 0, digitsRadius);
drawTextCenter(vg, sixTitle, 0, 0);
nvgFill(vg);
nvgFillColor(vg, lighterColor);
char* sevenTitle = "7";
nvgFontSize(vg, digitSmallSize);
nvgTranslate(vg, 0, -digitsRadius);
nvgRotate(vg, 2 * M_PI / 12);
nvgTranslate(vg, 0, digitsRadius);
drawTextCenter(vg, sevenTitle, 0, 0);
nvgFill(vg);
char* eightTitle = "8";
nvgTranslate(vg, 0, -digitsRadius);
nvgRotate(vg, 2 * M_PI / 12);
nvgTranslate(vg, 0, digitsRadius);
drawTextCenter(vg, eightTitle, 0, 0);
nvgFill(vg);
nvgRestore(vg);
nvgSave(vg);
nvgFontFace(vg, "black");
char* clockTitle = "ALPHA";
nvgFontSize(vg, clockTitleSize);
nvgFillColor(vg, baseColor);
nvgTranslate(vg, 0, clockTitleSize);
nvgTextLetterSpacing(vg, clockTitleSize);
drawTextCenter(vg, clockTitle, 0, -2 * clockTitleSize);
nvgFill(vg);
nvgRestore(vg);
double secAngle = 2 * M_PI / 60 * localTime.tm_sec;
double minAngle = 2 * M_PI / 60 * localTime.tm_min + secAngle / 60;
double hrAngle = 2 * M_PI / 12 * localTime.tm_hour + minAngle / 60;
// Hour hand
nvgStrokeColor(vg, lighterColor);
nvgSave(vg);
nvgRotate(vg, hrAngle);
nvgBeginPath(vg);
nvgMoveTo(vg, 0, clockRadius * 0.02);
nvgLineTo(vg, 0, -clockRadius * 0.5);
nvgStrokeWidth(vg, widthHeavy);
nvgStroke(vg);
nvgRestore(vg);
// Minute hand
nvgStrokeColor(vg, lighterColor);
nvgSave(vg);
nvgRotate(vg, minAngle);
nvgBeginPath(vg);
nvgMoveTo(vg, 0, clockRadius * 0.04);
nvgLineTo(vg, 0, -clockRadius * 0.8);
nvgStrokeWidth(vg, widthMedium);
nvgStroke(vg);
nvgRestore(vg);
// Second hand
nvgStrokeColor(vg, lightestColor);
nvgSave(vg);
nvgRotate(vg, secAngle);
nvgBeginPath(vg);
nvgMoveTo(vg, 0, clockRadius * 0.05);
nvgLineTo(vg, 0, -clockRadius * 0.9);
nvgStrokeWidth(vg, widthLight);
nvgStroke(vg);
nvgRestore(vg);
}
JNIEXPORT void JNICALL Java_firststep_internal_NVG_textLetterSpacing
(JNIEnv *e, jclass c, jlong ctx, jfloat spacing)
{
nvgTextLetterSpacing((NVGcontext*)ctx, spacing);
}
