void vsColoredNodeWire(NVGcontext *ctx, float x0, float y0, float x1, float y1,
NVGcolor color0, NVGcolor color1) {
float length = bnd_fmaxf(fabsf(x1 - x0), fabsf(y1 - y0));
// how much a noodle curves (0 to 10)
int noodleCurving = 3;
float delta = length * (float) noodleCurving / 10.0f;
nvgBeginPath(ctx);
nvgMoveTo(ctx, x0, y0);
nvgBezierTo(ctx,
x0 + delta, y0,
x1 - delta, y1,
x1, y1);
NVGcolor colorw = nvgRGB(52, 22, 99);
colorw.a = (color0.a < color1.a) ? color0.a : color1.a;
nvgStrokeColor(ctx, colorw);
nvgStrokeWidth(ctx, BND_NODE_WIRE_OUTLINE_WIDTH);
nvgStroke(ctx);
nvgStrokePaint(ctx, nvgLinearGradient(ctx,
x0, y0, x1, y1,
color0,
color1));
nvgStrokeWidth(ctx, BND_NODE_WIRE_WIDTH);
nvgStroke(ctx);
}
void drawLines(struct NVGcontext* vg, float x, float y, float w, float h, float t)
{
int i, j;
float pad = 5.0f, s = w/9.0f - pad*2;
float pts[4*2], fx, fy;
int joins[3] = {NVG_MITER, NVG_ROUND, NVG_BEVEL};
int caps[3] = {NVG_BUTT, NVG_ROUND, NVG_SQUARE};
NVG_NOTUSED(h);
nvgSave(vg);
pts[0] = -s*0.25f + cosf(t*0.3f) * s*0.5f;
pts[1] = sinf(t*0.3f) * s*0.5f;
pts[2] = -s*0.25f;
pts[3] = 0;
pts[4] = s*0.25f;
pts[5] = 0;
pts[6] = s*0.25f + cosf(-t*0.3f) * s*0.5f;
pts[7] = sinf(-t*0.3f) * s*0.5f;
for (i = 0; i < 3; i++)
{
for (j = 0; j < 3; j++)
{
fx = x + s*0.5f + (i*3+j)/9.0f*w + pad;
fy = y - s*0.5f + pad;
nvgLineCap(vg, caps[i]);
nvgLineJoin(vg, joins[j]);
nvgStrokeWidth(vg, s*0.3f);
nvgStrokeColor(vg, nvgRGBA(0,0,0,160) );
nvgBeginPath(vg);
nvgMoveTo(vg, fx+pts[0], fy+pts[1]);
nvgLineTo(vg, fx+pts[2], fy+pts[3]);
nvgLineTo(vg, fx+pts[4], fy+pts[5]);
nvgLineTo(vg, fx+pts[6], fy+pts[7]);
nvgStroke(vg);
nvgLineCap(vg, NVG_BUTT);
nvgLineJoin(vg, NVG_BEVEL);
nvgStrokeWidth(vg, 1.0f);
nvgStrokeColor(vg, nvgRGBA(0,192,255,255) );
nvgBeginPath(vg);
nvgMoveTo(vg, fx+pts[0], fy+pts[1]);
nvgLineTo(vg, fx+pts[2], fy+pts[3]);
nvgLineTo(vg, fx+pts[4], fy+pts[5]);
nvgLineTo(vg, fx+pts[6], fy+pts[7]);
nvgStroke(vg);
}
}
nvgRestore(vg);
}
void NanoInk::drawImage()
{
#if 1 // DEBUG
if(sDebugDraw && mVisible)
{
float left = mFrame.dabsolute(DIM_X) + mFrame.cleft();
float top = mFrame.dabsolute(DIM_Y) + mFrame.ctop();
float width = mFrame.cwidth();
float height = mFrame.cheight();
nvgBeginPath(mCtx);
nvgRect(mCtx, left + 0.5f, top + 0.5f, width - 1.f, height - 1.f);
nvgStrokeWidth(mCtx, 1.f);
nvgStrokeColor(mCtx, nvgColour(Colour::Red));
nvgStroke(mCtx);
}
#endif
if(this->skin().mEmpty || !mVisible)
return;
++sDebugBatch;
if(!mImageCache)
mImageCache = nvgCreateDisplayList(11);
if(mImageUpdate)
this->redrawImage();
this->drawCache(mImageCache);
mImageUpdate = false;
}
void Renderer2D::drawRectangle( const attributes_2d& attributes, const float32_t& width, const float32_t& height,
const float32_t& border, const color_argb& color, const color_argb& borderColor,
const Image2D& image, const float32_t& image_alpha, const float32_t& image_pos_x,
const float32_t& image_pos_y, const float32_t& image_width, const float32_t& image_height,
const float32_t& image_rotation )
{
Context2D* context = _context2D;
const float32_t sWidth = width * attributes.scale;
const float32_t sHeight = height * attributes.scale;
nvgSave( context );
nvgBeginPath( context );
nvgTranslate( context, attributes.position[0], attributes.position[1] );
nvgSave( context );
nvgRotate( context, attributes.rotation );
nvgRect( context, -sWidth/2, -sHeight/2, sWidth, sHeight );
if( image != 0 )
{
NVGpaint paint = nvgImagePattern( context, (-sWidth/2)+image_pos_x, (-sHeight/2)+image_pos_y,
image_width, image_height, image_rotation, image, image_alpha );
nvgFillPaint( context, paint);
}
else
{
nvgFillColor( context, nvgRGBA( color.r, color.g, color.b, color.a) );
}
nvgFill( context );
nvgStrokeColor( context, nvgRGBA( borderColor.r, borderColor.g, borderColor.b, borderColor.a) );
nvgStrokeWidth( context, border );
nvgStroke( context );
nvgRestore( context );
nvgRestore( context );
}
void TabWidget::draw(NVGcontext* ctx) {
int tab_height = m_header->preferred_size(ctx).y();
auto active_area = m_header->active_button_area();
for (int i = 0; i < 3; ++i) {
nvgSave(ctx);
if (i == 0)
nvgIntersectScissor(ctx, m_pos.x(), m_pos.y(), active_area.first.x() + 1, m_size.y());
else if (i == 1)
nvgIntersectScissor(ctx, m_pos.x() + active_area.second.x(), m_pos.y(), m_size.x() - active_area.second.x(), m_size.y());
else
nvgIntersectScissor(ctx, m_pos.x(), m_pos.y() + tab_height + 2, m_size.x(), m_size.y());
nvgBeginPath(ctx);
nvgStrokeWidth(ctx, 1.0f);
nvgRoundedRect(ctx, m_pos.x() + 0.5f, m_pos.y() + tab_height + 1.5f, m_size.x() - 1,
m_size.y() - tab_height - 2, m_theme->m_button_corner_radius);
nvgStrokeColor(ctx, m_theme->m_border_light);
nvgStroke(ctx);
nvgBeginPath(ctx);
nvgRoundedRect(ctx, m_pos.x() + 0.5f, m_pos.y() + tab_height + 0.5f, m_size.x() - 1,
m_size.y() - tab_height - 2, m_theme->m_button_corner_radius);
nvgStrokeColor(ctx, m_theme->m_border_dark);
nvgStroke(ctx);
nvgRestore(ctx);
}
Widget::draw(ctx);
}
void drawCaps(struct NVGcontext* vg, float x, float y, float width)
{
int i;
int caps[3] = {NVG_BUTT, NVG_ROUND, NVG_SQUARE};
float lineWidth = 8.0f;
nvgSave(vg);
nvgBeginPath(vg);
nvgRect(vg, x-lineWidth/2, y, width+lineWidth, 40);
nvgFillColor(vg, nvgRGBA(255,255,255,32));
nvgFill(vg);
nvgBeginPath(vg);
nvgRect(vg, x, y, width, 40);
nvgFillColor(vg, nvgRGBA(255,255,255,32));
nvgFill(vg);
nvgStrokeWidth(vg, lineWidth);
for (i = 0; i < 3; i++) {
nvgLineCap(vg, caps[i]);
nvgStrokeColor(vg, nvgRGBA(0,0,0,255));
nvgBeginPath(vg);
nvgMoveTo(vg, x, y + i*10 + 5);
nvgLineTo(vg, x+width, y + i*10 + 5);
nvgStroke(vg);
}
nvgRestore(vg);
}
void TabWidget::draw(NVGcontext* ctx) {
int tabHeight = mHeader->preferredSize(ctx).y();
auto activeArea = mHeader->activeButtonArea();
for (int i = 0; i < 3; ++i) {
nvgSave(ctx);
if (i == 0)
nvgIntersectScissor(ctx, mPos.x(), mPos.y(), activeArea.first.x() + 1, mSize.y());
else if (i == 1)
nvgIntersectScissor(ctx, mPos.x() + activeArea.second.x(), mPos.y(), mSize.x() - activeArea.second.x(), mSize.y());
else
nvgIntersectScissor(ctx, mPos.x(), mPos.y() + tabHeight + 2, mSize.x(), mSize.y());
nvgBeginPath(ctx);
nvgStrokeWidth(ctx, 1.0f);
nvgRoundedRect(ctx, mPos.x() + 0.5f, mPos.y() + tabHeight + 1.5f, mSize.x() - 1,
mSize.y() - tabHeight - 2, mTheme->mButtonCornerRadius);
nvgStrokeColor(ctx, mTheme->mBorderLight);
nvgStroke(ctx);
nvgBeginPath(ctx);
nvgRoundedRect(ctx, mPos.x() + 0.5f, mPos.y() + tabHeight + 0.5f, mSize.x() - 1,
mSize.y() - tabHeight - 2, mTheme->mButtonCornerRadius);
nvgStrokeColor(ctx, mTheme->mBorderDark);
nvgStroke(ctx);
nvgRestore(ctx);
}
Widget::draw(ctx);
}
void Renderer2D::drawCircle( const attributes_2d& attributes, const float32_t& radius,
const float32_t& border, const color_argb& color, const color_argb& borderColor,
const Image2D& image, const float32_t& image_alpha, const float32_t& image_pos_x,
const float32_t& image_pos_y, const float32_t& image_width, const float32_t& image_height,
const float32_t& image_rotation )
{
Context2D* context = _context2D;
nvgSave( context );
nvgBeginPath( context );
nvgTranslate( context, attributes.position[0], attributes.position[1]);
nvgSave( context );
nvgRotate( context, attributes.rotation );
nvgCircle( context, 0, 0, radius * attributes.scale );
if( image != 0 )
{
NVGpaint paint = nvgImagePattern( context, image_pos_x-image_width/2,
image_pos_y - image_height/2, image_width, image_height, image_rotation,
image, image_alpha );
nvgFillPaint( context, paint);
}
else
{
nvgFillColor( context, nvgRGBA( color.r, color.g, color.b, color.a) );
}
nvgFill(context);
nvgStrokeColor( context, nvgRGBA( borderColor.r, borderColor.g, borderColor.b, borderColor.a) );
nvgStrokeWidth( context, border );
nvgStroke( context );
nvgRestore( context );
nvgRestore( context );
}
void testrect(NVGcontext *vg, UIrect rect) {
#if 0
nvgBeginPath(vg);
nvgRect(vg,rect.x+0.5,rect.y+0.5,rect.w-1,rect.h-1);
nvgStrokeColor(vg,nvgRGBf(1,0,0));
nvgStrokeWidth(vg,1);
nvgStroke(vg);
#endif
}
void draw<line_t>(line_t& line, NVGcolor& color)
{
nvgBeginPath(graphics::vg);
nvgMoveTo(graphics::vg, line.p.x, line.p.y);
nvgLineTo(graphics::vg, line.q.x, line.q.y);
nvgStrokeColor(graphics::vg, color);
nvgStrokeWidth(graphics::vg, 3 * graphics::one_pixel);
nvgStroke(graphics::vg);
}
void ExpandTree::drawDebug(AlloyContext* context) {
if (selectedItem) {
NVGcontext* nvg = context->nvgContext;
nvgStrokeWidth(nvg, 1.0f);
nvgStrokeColor(nvg, Color(220, 64, 64));
nvgBeginPath(nvg);
box2px bounds = selectedItem->getBounds();
box2px pbounds = drawRegion->getBounds();
bounds.position += pbounds.position;
bounds.intersect(getBounds());
nvgRect(nvg, bounds.position.x, bounds.position.y, bounds.dimensions.x,
bounds.dimensions.y);
nvgStroke(nvg);
}
Composite::drawDebug(context);
}
void ImagePanel::draw (NVGcontext * ctx)
{
ivec2 grid = gridSize();
for (size_t i = 0; i < mImages.size(); ++i)
{
ivec2 p = mPos + ivec2 (mMargin) +
ivec2 ((int)i % grid.x, (int)i / grid.x) * (mThumbSize + mSpacing);
int imgw, imgh;
nvgImageSize (ctx, mImages[i].first, &imgw, &imgh);
float iw, ih, ix, iy;
if (imgw < imgh)
{
iw = mThumbSize;
ih = iw * (float)imgh / (float)imgw;
ix = 0;
iy = - (ih - mThumbSize) * 0.5f;
}
else
{
ih = mThumbSize;
iw = ih * (float)imgw / (float)imgh;
ix = - (iw - mThumbSize) * 0.5f;
iy = 0;
}
NVGpaint imgPaint = nvgImagePattern (
ctx, p.x + ix, p.y + iy, iw, ih, 0, mImages[i].first,
mMouseIndex == (int)i ? 1.0 : 0.7);
nvgBeginPath (ctx);
nvgRoundedRect (ctx, p.x, p.y, mThumbSize, mThumbSize, 5);
nvgFillPaint (ctx, imgPaint);
nvgFill (ctx);
NVGpaint shadowPaint =
nvgBoxGradient (ctx, p.x - 1, p.y, mThumbSize + 2, mThumbSize + 2, 5, 3,
nvgRGBA (0, 0, 0, 128), nvgRGBA (0, 0, 0, 0));
nvgBeginPath (ctx);
nvgRect (ctx, p.x - 5, p.y - 5, mThumbSize + 10, mThumbSize + 10);
nvgRoundedRect (ctx, p.x, p.y, mThumbSize, mThumbSize, 6);
nvgPathWinding (ctx, NVG_HOLE);
nvgFillPaint (ctx, shadowPaint);
nvgFill (ctx);
nvgBeginPath (ctx);
nvgRoundedRect (ctx, p.x + 0.5f, p.y + 0.5f, mThumbSize - 1, mThumbSize - 1, 4 - 0.5f);
nvgStrokeWidth (ctx, 1.0f);
nvgStrokeColor (ctx, nvgRGBA (255, 255, 255, 80));
nvgStroke (ctx);
}
}
void Render() override
{
nvgBeginPath(GNvg);
if (EdgePainter.Points.size() >= 4)
{
glm::vec2 temp = camera.WorldToScreen(glm::vec2(EdgePainter.Points[0], EdgePainter.Points[1]));
nvgMoveTo(GNvg, temp[0], temp[1]);
for (int i = 2; i < EdgePainter.Points.size(); i += 2)
{
temp = camera.WorldToScreen(glm::vec2(EdgePainter.Points[i], EdgePainter.Points[i + 1]));
nvgLineTo(GNvg, temp[0], temp[1]);
}
}
nvgStrokeColor(GNvg, nvgRGB(255, 255, 255));
nvgStrokeWidth(GNvg, 5);
nvgStroke(GNvg);
}
void Caret::draw(NVGcontext *ctx, float lineh, Vector2i offset) {
//std::cout << "Cursor("<< mCursorPos.x()<< ","<< mCursorPos.y() <<")" << std::endl;
if(isVisible()) {
//float caretx = cursorIndex2Position(mCursorPos.x(), textBound[2], glyphs, nglyphs);
//mPosition = getCursorPosition(ctx, mCursorPos, lineh);
// draw cursor
nvgBeginPath(ctx);
nvgMoveTo(ctx, offset.x() + mPos.x(), offset.y()+ mPos.y() );
nvgLineTo(ctx, offset.x() + mPos.x(), offset.y()+ mPos.y()+ lineh );
nvgStrokeColor(ctx, nvgRGBA(255, 192, 0, 255));
nvgStrokeWidth(ctx, 1.0f);
nvgStroke(ctx);
}
if(mSelectionState) {
// draw selection
int linew = mConsole->mSize.x();
nvgBeginPath(ctx);
nvgFillColor(ctx, nvgRGBA(255, 255, 255, 80));
if(mIdx.y() == mSelectionIdx.y()) {
int x = std::min(mPos.x(),mSelectionPos.x());
x += offset.x();
nvgRect(ctx, x, offset.y()+ mPos.y(), std::abs(mSelectionPos.x()-mPos.x()), lineh);
} else if(mIdx.y() > mSelectionIdx.y()) {
nvgRect(ctx, offset.x()+mSelectionPos.x(), offset.y()+ mSelectionPos.y(),
linew-mSelectionPos.x(), lineh);
if(mIdx.y()-mSelectionIdx.y()>1)
nvgRect(ctx, offset.x(), offset.y()+ mSelectionPos.y()+lineh,
linew, mPos.y()-mSelectionPos.y()-lineh);
nvgRect(ctx, offset.x(), offset.y()+ mPos.y(), mPos.x(), lineh);
} else {
nvgRect(ctx, offset.x(), offset.y()+ mSelectionPos.y(),
mSelectionPos.x(), lineh);
if(mSelectionIdx.y()-mIdx.y()>1)
nvgRect(ctx, offset.x(), offset.y()+ mPos.y()+lineh,
linew, mSelectionPos.y()-mPos.y()-lineh);
nvgRect(ctx, offset.x()+mPos.x(), offset.y()+ mPos.y(), linew-mPos.x(), lineh);
}
nvgFill(ctx);
}
}
void Widget::draw(NVGcontext *ctx) {
#if NANOGUI_SHOW_WIDGET_BOUNDS
nvgStrokeWidth(ctx, 1.0f);
nvgBeginPath(ctx);
nvgRect(ctx, mPos.x() - 0.5f, mPos.y() - 0.5f, mSize.x() + 1, mSize.y() + 1);
nvgStrokeColor(ctx, nvgRGBA(255, 0, 0, 255));
nvgStroke(ctx);
#endif
if (mChildren.empty())
return;
nvgTranslate(ctx, mPos.x(), mPos.y());
for (auto child : mChildren)
if (child->visible())
child->draw(ctx);
nvgTranslate(ctx, -mPos.x(), -mPos.y());
}
void draw<vec_field_t>(vec_field_t& vf, NVGcolor& color)
{
vf.foreach_element([&](size_t i, size_t j, vec_t& v){
vec_t pos = vf.get_coordinates(i, j), to = pos + v;
nvgBeginPath(vg);
nvgCircle(vg, pos.x, pos.y, .2);
nvgFillColor(vg, color);
nvgFill(vg);
nvgBeginPath(vg);
nvgMoveTo(vg, pos.x, pos.y);
nvgLineTo(vg, to.x, to.y);
nvgStrokeColor(vg, color);
nvgStrokeWidth(vg, one_pixel);
nvgStroke(vg);
});
}
void drawWidths(struct NVGcontext* vg, float x, float y, float width)
{
nvgSave(vg);
nvgStrokeColor(vg, nvgRGBA(0,0,0,255) );
for (uint32_t ii = 0; ii < 20; ++ii)
{
float w = (ii+0.5f)*0.1f;
nvgStrokeWidth(vg, w);
nvgBeginPath(vg);
nvgMoveTo(vg, x,y);
nvgLineTo(vg, x+width,y+width*0.3f);
nvgStroke(vg);
y += 10;
}
nvgRestore(vg);
}
void GraphNodeLink::draw(NVGcontext* ctx)
{
auto sourceSize = mSource->size().cast<float>();
Eigen::Vector2i inputPosition(
mSource->absolutePosition().x() - mParent->absolutePosition().x() + (sourceSize.x() * 0.5f),
mSource->absolutePosition().y() - mParent->absolutePosition().y() + (sourceSize.y() * 0.5f)
);
Eigen::Vector2i outputPosition(Eigen::Vector2i::Zero());
if (hasTarget()) {
// Get relative position of parent (node) of the target (sink)
Eigen::Vector2i delta = mSink->parent()->absolutePosition() - mSink->parent()->position();
delta.x() -= (sourceSize.x() * 0.5f);
delta.y() -= (sourceSize.y() * 0.5f);
outputPosition = mSink->absolutePosition() - delta;
}
else {
Eigen::Vector2i offset = mSource->absolutePosition() - mParent->absolutePosition();
Eigen::Vector2i delta = mTargetPosition - mSource->position();
outputPosition = offset + delta;
}
Eigen::Vector2i positionDiff = outputPosition - inputPosition;
NVGcontext* vg = ctx;
nvgStrokeColor(vg, nvgRGBA(131, 148, 150, 255));
nvgStrokeWidth(vg, 2.0f);
nvgBeginPath(vg);
nvgMoveTo(
vg,
inputPosition.x(),
inputPosition.y()
);
nvgQuadTo(vg,
1.2 * positionDiff.x(), positionDiff.y(),
outputPosition.x(), outputPosition.y()
);
nvgStroke(vg);
Widget::draw(ctx);
}
void Renderer2D::drawPath( const attributes_2d& attributes, const float32_t* path, const uint32_t& pathSize,
const float32_t& border, const color_argb& color, const color_argb& borderColor,
const Image2D& image, const float32_t& image_alpha, const float32_t& image_pos_x,
const float32_t& image_pos_y, const float32_t& image_width, const float32_t& image_height,
const float32_t& image_rotation )
{
Context2D* context = _context2D;
if( pathSize < 2 || pathSize % 2 != 0 )
return;
nvgSave( context );
nvgBeginPath( context );
nvgTranslate( context, attributes.position[0], attributes.position[1] );
nvgSave( context );
nvgRotate( context, attributes.rotation );
nvgMoveTo( context, path[0], path[1]);
for( uint32_t i=2; i<pathSize; i+=2 )
{
nvgLineTo( context, path[i] * attributes.scale, path[i+1] * attributes.scale);
}
nvgClosePath( context );
if( image != 0 )
{
NVGpaint paint = nvgImagePattern( context, image_pos_x-image_width/2,
image_pos_y-image_height/2, image_width, image_height, image_rotation, image, image_alpha );
nvgFillPaint( context, paint);
}
else
{
nvgFillColor( context, nvgRGBA( color.r, color.g, color.b, color.a) );
}
nvgFill(context);
nvgStrokeColor( context, nvgRGBA( borderColor.r, borderColor.g, borderColor.b, borderColor.a) );
nvgStrokeWidth( context, border );
nvgStroke( context );
nvgRestore( context );
nvgRestore( context );
}
void t2Image::drawInRounedRect(int x, int y, int width, int height, float radius, int angle /*= 0*/, int alpha /*= 255*/, bool bFill /*= true*/)
{
NVGpaint imgPaint = nvgImagePattern(t2GetContext(), x, y, width, height, angle / 255.0f, img, alpha / 255.0f);
nvgBeginPath(t2GetContext());
if(!bFill)
nvgStrokeWidth(t2GetContext(), strokeWidth);
nvgRoundedRect(t2GetContext(), x, y, width, height, radius);
if(bFill)
{
nvgFillPaint(t2GetContext(), imgPaint);
nvgFill(t2GetContext());
}
else
{
nvgStrokePaint(t2GetContext(), imgPaint);
nvgStroke(t2GetContext());
}
}
//Render a rectangle
bool renderRect(Skin::SkinClass::Attributes &skinClass, float x, float y, float sw, float sh) {
if (!m_inited) return false;
NVGcolor col = nvgRGBA(skinClass.fill.r, skinClass.fill.g, skinClass.fill.b, skinClass.fill.a);
//NVGpaint bg = nvgLinearGradient(m_vg, pos.x, pos.y, pos.x, pos.y + size.y, nvgRGBA(255,255,255,isBlack(col)?16:64), nvgRGBA(0,0,0,isBlack(col)?16:64));
nvgBeginPath(m_vg);
nvgRoundedRect(m_vg, x, y, sw, sh, skinClass.cornerRadius);
if (!skinClass.hasImage || skinClass.hasFill) {
nvgFillColor(m_vg, col);
nvgFill(m_vg);
}
if (skinClass.hasImage) {
//int w = size.x, h= size.y;
//nvgImageSize(m_vg, skinClass.imageHandle, &w, &h);
NVGpaint img = nvgImagePattern(m_vg, x, y, sw, sh, 0.f, skinClass.imageHandle, col.a);
nvgFillPaint(m_vg, img);
nvgFill(m_vg);
}
if (skinClass.hasGradient) {
NVGpaint g = nvgLinearGradient(m_vg, x, y, x, y + sh,
nvgRGBA(skinClass.gradientA.r, skinClass.gradientA.g, skinClass.gradientA.b, skinClass.gradientA.a),
nvgRGBA(skinClass.gradientB.r, skinClass.gradientB.g, skinClass.gradientB.b, skinClass.gradientB.a)
);
nvgFillPaint(m_vg, g);
nvgFill(m_vg);
}
if (skinClass.hasStroke) {
nvgStrokeWidth(m_vg, skinClass.strokeWidth);
nvgStrokeColor(m_vg, nvgRGBA(skinClass.stroke.r, skinClass.stroke.g, skinClass.stroke.b, skinClass.stroke.a));
nvgStroke(m_vg);
}
return true;
}
bool Button::Draw(NVGcontext *context, float deltaTime)
{
if (Widget::Draw(context, deltaTime)) return true;
// Draw the default button here
nvgBeginPath(context);
nvgRoundedRect(context, bounds.position.x, bounds.position.y, bounds.size.x - 4, bounds.size.y - 4, 20);
nvgStrokeWidth(context, 2);
nvgStrokeColor(context, nvgRGB(100, 100, 100));
nvgFillColor(context, nvgRGB(240, 240, 240));
if (mouseInsideWidgetBounds())
{
nvgFillColor(context, nvgRGB(220, 220, 220));
}
nvgFill(context);
nvgStroke(context);
return true;
}
int main()
{
GLFWwindow* window;
NVGcontext* vg = NULL;
GPUtimer gpuTimer;
PerfGraph fps, cpuGraph, gpuGraph;
double prevt = 0, cpuTime = 0;
NVGLUframebuffer* fb = NULL;
int winWidth, winHeight;
int fbWidth, fbHeight;
float pxRatio;
if (!glfwInit()) {
printf("Failed to init GLFW.");
return -1;
}
initGraph(&fps, GRAPH_RENDER_FPS, "Frame Time");
initGraph(&cpuGraph, GRAPH_RENDER_MS, "CPU Time");
initGraph(&gpuGraph, GRAPH_RENDER_MS, "GPU Time");
glfwSetErrorCallback(errorcb);
#ifndef _WIN32 // don't require this on win32, and works with more cards
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
#endif
glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, 1);
#ifdef DEMO_MSAA
glfwWindowHint(GLFW_SAMPLES, 4);
#endif
window = glfwCreateWindow(1000, 600, "NanoVG", NULL, NULL);
// window = glfwCreateWindow(1000, 600, "NanoVG", glfwGetPrimaryMonitor(), NULL);
if (!window) {
glfwTerminate();
return -1;
}
glfwSetKeyCallback(window, key);
glfwMakeContextCurrent(window);
#ifdef NANOVG_GLEW
glewExperimental = GL_TRUE;
if(glewInit() != GLEW_OK) {
printf("Could not init glew.\n");
return -1;
}
// GLEW generates GL error because it calls glGetString(GL_EXTENSIONS), we'll consume it here.
glGetError();
#endif
#ifdef DEMO_MSAA
vg = nvgCreateGL3(NVG_STENCIL_STROKES | NVG_DEBUG);
#else
vg = nvgCreateGL3(NVG_ANTIALIAS | NVG_STENCIL_STROKES | NVG_DEBUG);
#endif
if (vg == NULL) {
printf("Could not init nanovg.\n");
return -1;
}
// Create hi-dpi FBO for hi-dpi screens.
glfwGetWindowSize(window, &winWidth, &winHeight);
glfwGetFramebufferSize(window, &fbWidth, &fbHeight);
// Calculate pixel ration for hi-dpi devices.
pxRatio = (float)fbWidth / (float)winWidth;
// The image pattern is tiled, set repeat on x and y.
fb = nvgluCreateFramebuffer(vg, (int)(100*pxRatio), (int)(100*pxRatio), NVG_IMAGE_REPEATX | NVG_IMAGE_REPEATY);
if (fb == NULL) {
printf("Could not create FBO.\n");
return -1;
}
if (loadFonts(vg) == -1) {
printf("Could not load fonts\n");
return -1;
}
glfwSwapInterval(0);
initGPUTimer(&gpuTimer);
glfwSetTime(0);
prevt = glfwGetTime();
while (!glfwWindowShouldClose(window))
{
double mx, my, t, dt;
float gpuTimes[3];
int i, n;
t = glfwGetTime();
dt = t - prevt;
prevt = t;
startGPUTimer(&gpuTimer);
glfwGetCursorPos(window, &mx, &my);
glfwGetWindowSize(window, &winWidth, &winHeight);
glfwGetFramebufferSize(window, &fbWidth, &fbHeight);
// Calculate pixel ration for hi-dpi devices.
pxRatio = (float)fbWidth / (float)winWidth;
renderPattern(vg, fb, t, pxRatio);
// Update and render
glViewport(0, 0, fbWidth, fbHeight);
glClearColor(0.3f, 0.3f, 0.32f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT|GL_STENCIL_BUFFER_BIT);
nvgBeginFrame(vg, winWidth, winHeight, pxRatio);
// Use the FBO as image pattern.
if (fb != NULL) {
NVGpaint img = nvgImagePattern(vg, 0, 0, 100, 100, 0, fb->image, 1.0f);
nvgSave(vg);
for (i = 0; i < 20; i++) {
nvgBeginPath(vg);
nvgRect(vg, 10 + i*30,10, 10, winHeight-20);
nvgFillColor(vg, nvgHSLA(i/19.0f, 0.5f, 0.5f, 255));
nvgFill(vg);
}
nvgBeginPath(vg);
nvgRoundedRect(vg, 140 + sinf(t*1.3f)*100, 140 + cosf(t*1.71244f)*100, 250, 250, 20);
nvgFillPaint(vg, img);
nvgFill(vg);
nvgStrokeColor(vg, nvgRGBA(220,160,0,255));
nvgStrokeWidth(vg, 3.0f);
nvgStroke(vg);
nvgRestore(vg);
}
renderGraph(vg, 5,5, &fps);
renderGraph(vg, 5+200+5,5, &cpuGraph);
if (gpuTimer.supported)
renderGraph(vg, 5+200+5+200+5,5, &gpuGraph);
nvgEndFrame(vg);
// Measure the CPU time taken excluding swap buffers (as the swap may wait for GPU)
cpuTime = glfwGetTime() - t;
updateGraph(&fps, dt);
updateGraph(&cpuGraph, cpuTime);
// We may get multiple results.
n = stopGPUTimer(&gpuTimer, gpuTimes, 3);
for (i = 0; i < n; i++)
updateGraph(&gpuGraph, gpuTimes[i]);
glfwSwapBuffers(window);
glfwPollEvents();
}
nvgluDeleteFramebuffer(fb);
nvgDeleteGL3(vg);
printf("Average Frame Time: %.2f ms\n", getGraphAverage(&fps) * 1000.0f);
printf(" CPU Time: %.2f ms\n", getGraphAverage(&cpuGraph) * 1000.0f);
printf(" GPU Time: %.2f ms\n", getGraphAverage(&gpuGraph) * 1000.0f);
glfwTerminate();
return 0;
}
void NanoVG::setStrokeWidth( float width )
{
nvgStrokeWidth( m_context(), width );
}
void ColorWheel::draw(NVGcontext *ctx) {
Widget::draw(ctx);
if (!mVisible)
return;
float x = mPos.x(),
y = mPos.y(),
w = mSize.x(),
h = mSize.y();
NVGcontext* vg = ctx;
int i;
float r0, r1, ax,ay, bx,by, cx,cy, aeps, r;
float hue = mHue;
NVGpaint paint;
nvgSave(vg);
cx = x + w*0.5f;
cy = y + h*0.5f;
r1 = (w < h ? w : h) * 0.5f - 5.0f;
r0 = r1 * .75f;
aeps = 0.5f / r1; // half a pixel arc length in radians (2pi cancels out).
for (i = 0; i < 6; i++) {
float a0 = (float)i / 6.0f * NVG_PI * 2.0f - aeps;
float a1 = (float)(i+1.0f) / 6.0f * NVG_PI * 2.0f + aeps;
nvgBeginPath(vg);
nvgArc(vg, cx,cy, r0, a0, a1, NVG_CW);
nvgArc(vg, cx,cy, r1, a1, a0, NVG_CCW);
nvgClosePath(vg);
ax = cx + cosf(a0) * (r0+r1)*0.5f;
ay = cy + sinf(a0) * (r0+r1)*0.5f;
bx = cx + cosf(a1) * (r0+r1)*0.5f;
by = cy + sinf(a1) * (r0+r1)*0.5f;
paint = nvgLinearGradient(vg, ax, ay, bx, by,
nvgHSLA(a0 / (NVG_PI * 2), 1.0f, 0.55f, 255),
nvgHSLA(a1 / (NVG_PI * 2), 1.0f, 0.55f, 255));
nvgFillPaint(vg, paint);
nvgFill(vg);
}
nvgBeginPath(vg);
nvgCircle(vg, cx,cy, r0-0.5f);
nvgCircle(vg, cx,cy, r1+0.5f);
nvgStrokeColor(vg, nvgRGBA(0,0,0,64));
nvgStrokeWidth(vg, 1.0f);
nvgStroke(vg);
// Selector
nvgSave(vg);
nvgTranslate(vg, cx,cy);
nvgRotate(vg, hue*NVG_PI*2);
// Marker on
float u = std::max(r1/50, 1.5f);
u = std::min(u, 4.f);
nvgStrokeWidth(vg, u);
nvgBeginPath(vg);
nvgRect(vg, r0-1,-2*u,r1-r0+2,4*u);
nvgStrokeColor(vg, nvgRGBA(255,255,255,192));
nvgStroke(vg);
paint = nvgBoxGradient(vg, r0-3,-5,r1-r0+6,10, 2,4, nvgRGBA(0,0,0,128), nvgRGBA(0,0,0,0));
nvgBeginPath(vg);
nvgRect(vg, r0-2-10,-4-10,r1-r0+4+20,8+20);
nvgRect(vg, r0-2,-4,r1-r0+4,8);
nvgPathWinding(vg, NVG_HOLE);
nvgFillPaint(vg, paint);
nvgFill(vg);
// Center triangle
r = r0 - 6;
ax = cosf(120.0f/180.0f*NVG_PI) * r;
ay = sinf(120.0f/180.0f*NVG_PI) * r;
bx = cosf(-120.0f/180.0f*NVG_PI) * r;
by = sinf(-120.0f/180.0f*NVG_PI) * r;
nvgBeginPath(vg);
nvgMoveTo(vg, r,0);
nvgLineTo(vg, ax, ay);
nvgLineTo(vg, bx, by);
nvgClosePath(vg);
paint = nvgLinearGradient(vg, r, 0, ax, ay, nvgHSLA(hue, 1.0f, 0.5f, 255),
nvgRGBA(255, 255, 255, 255));
nvgFillPaint(vg, paint);
nvgFill(vg);
paint = nvgLinearGradient(vg, (r + ax) * 0.5f, (0 + ay) * 0.5f, bx, by,
nvgRGBA(0, 0, 0, 0), nvgRGBA(0, 0, 0, 255));
nvgFillPaint(vg, paint);
nvgFill(vg);
nvgStrokeColor(vg, nvgRGBA(0, 0, 0, 64));
nvgStroke(vg);
// Select circle on triangle
float sx = r*(1 - mWhite - mBlack) + ax*mWhite + bx*mBlack;
float sy = ay*mWhite + by*mBlack;
nvgStrokeWidth(vg, u);
nvgBeginPath(vg);
nvgCircle(vg, sx,sy,2*u);
nvgStrokeColor(vg, nvgRGBA(255,255,255,192));
nvgStroke(vg);
nvgRestore(vg);
nvgRestore(vg);
}
void NVGRenderer::setStrokeWidth(float width)
{
nvgStrokeWidth(m_context, width);
}
void drawUI(NVGcontext *vg, int item, int corners) {
const UIData *head = (const UIData *)uiGetHandle(item);
UIrect rect = uiGetRect(item);
if (uiGetState(item) == UI_FROZEN) {
nvgGlobalAlpha(vg, BND_DISABLED_ALPHA);
}
if (head) {
switch(head->subtype) {
default: {
testrect(vg,rect);
drawUIItems(vg,item,corners);
} break;
case ST_HBOX: {
drawUIItemsHbox(vg, item);
} break;
case ST_VBOX: {
drawUIItemsVbox(vg, item);
} break;
case ST_PANEL: {
bndBevel(vg,rect.x,rect.y,rect.w,rect.h);
drawUIItems(vg,item,corners);
} break;
case ST_LABEL: {
assert(head);
const UIButtonData *data = (UIButtonData*)head;
bndLabel(vg,rect.x,rect.y,rect.w,rect.h,
data->iconid,data->label);
} break;
case ST_BUTTON: {
const UIButtonData *data = (UIButtonData*)head;
bndToolButton(vg,rect.x,rect.y,rect.w,rect.h,
corners,(BNDwidgetState)uiGetState(item),
data->iconid,data->label);
} break;
case ST_CHECK: {
const UICheckData *data = (UICheckData*)head;
BNDwidgetState state = (BNDwidgetState)uiGetState(item);
if (*data->option)
state = BND_ACTIVE;
bndOptionButton(vg,rect.x,rect.y,rect.w,rect.h, state,
data->label);
} break;
case ST_RADIO:{
const UIRadioData *data = (UIRadioData*)head;
BNDwidgetState state = (BNDwidgetState)uiGetState(item);
if (*data->value == item)
state = BND_ACTIVE;
bndRadioButton(vg,rect.x,rect.y,rect.w,rect.h,
corners,state,
data->iconid,data->label);
} break;
case ST_SLIDER:{
const UISliderData *data = (UISliderData*)head;
BNDwidgetState state = (BNDwidgetState)uiGetState(item);
static char value[32];
sprintf(value,"%.0f%%",(*data->progress)*100.0f);
bndSlider(vg,rect.x,rect.y,rect.w,rect.h,
corners,state,
*data->progress,data->label,value);
} break;
case ST_TEXT: {
const UITextData *data = (UITextData*)head;
BNDwidgetState state = (BNDwidgetState)uiGetState(item);
int idx = strlen(data->text);
bndTextField(vg,rect.x,rect.y,rect.w,rect.h,
corners,state, -1, data->text, idx, idx);
} break;
case ST_DEMOSTUFF: {
draw_demostuff(vg, rect.x, rect.y, rect.w, rect.h);
} break;
case ST_RECT: {
const UIRectData *data = (UIRectData*)head;
if (rect.w && rect.h) {
BNDwidgetState state = (BNDwidgetState)uiGetState(item);
nvgSave(vg);
nvgStrokeColor(vg, nvgRGBAf(data->color.r,data->color.g,data->color.b,0.9f));
if (state != BND_DEFAULT) {
nvgFillColor(vg, nvgRGBAf(data->color.r,data->color.g,data->color.b,0.5f));
} else {
nvgFillColor(vg, nvgRGBAf(data->color.r,data->color.g,data->color.b,0.1f));
}
nvgStrokeWidth(vg,2);
nvgBeginPath(vg);
#if 0
nvgRect(vg,rect.x,rect.y,rect.w,rect.h);
#else
nvgRoundedRect(vg,rect.x,rect.y,rect.w,rect.h,3);
#endif
nvgFill(vg);
nvgStroke(vg);
if (state != BND_DEFAULT) {
nvgFillColor(vg, nvgRGBAf(0.0f,0.0f,0.0f,1.0f));
nvgFontSize(vg, 15.0f);
nvgBeginPath(vg);
nvgTextAlign(vg, NVG_ALIGN_TOP|NVG_ALIGN_CENTER);
nvgTextBox(vg, rect.x, rect.y+rect.h*0.3f, rect.w, data->label, NULL);
}
nvgRestore(vg);
}
nvgSave(vg);
nvgIntersectScissor(vg, rect.x, rect.y, rect.w, rect.h);
drawUIItems(vg,item,corners);
nvgRestore(vg);
} break;
}
} else {
testrect(vg,rect);
drawUIItems(vg,item,corners);
}
if (uiGetState(item) == UI_FROZEN) {
nvgGlobalAlpha(vg, 1.0);
}
}
void GraphPane::draw(AlloyContext* context) {
Region::draw(context);
box2px rbounds = getBounds();
NVGcontext* nvg = context->nvgContext;
box2px gbounds = rbounds;
const float LARGE_TEXT = 18.0f;
const float MEDIUM_TEXT = 16.0f;
const float SMALL_TEXT = 12.0f;
float2 gpos(-1, -1);
gbounds.position = pixel2(rbounds.position.x + GRAPH_PADDING,
rbounds.position.y + GRAPH_PADDING);
gbounds.dimensions = pixel2(rbounds.dimensions.x - GRAPH_PADDING * 2,
rbounds.dimensions.y - GRAPH_PADDING * 2);
if (graphBounds.dimensions.x < 0 || graphBounds.dimensions.y < 0) {
updateGraphBounds();
}
nvgBeginPath(nvg);
nvgRoundedRect(nvg, gbounds.position.x - 2, gbounds.position.y - 2,
gbounds.dimensions.x + 4, gbounds.dimensions.y + 4,
context->theme.CORNER_RADIUS);
nvgFillColor(nvg, context->theme.LIGHTEST);
nvgFill(nvg);
//Draw vertical line for x=0
if (graphBounds.position.x < 0
&& graphBounds.position.x + graphBounds.dimensions.x > 0) {
float xpos = -graphBounds.position.x / graphBounds.dimensions.x;
nvgBeginPath(nvg);
nvgMoveTo(nvg, xpos * gbounds.dimensions.x + gbounds.position.x,
gbounds.position.y);
nvgLineTo(nvg, xpos * gbounds.dimensions.x + gbounds.position.x,
gbounds.position.y + gbounds.dimensions.y);
nvgStrokeWidth(nvg, 2.0f);
nvgStrokeColor(nvg, context->theme.DARK.toSemiTransparent(0.75f));
nvgStroke(nvg);
}
//Draw horizontal line for y=0
if (graphBounds.position.y < 0
&& graphBounds.position.y + graphBounds.dimensions.y > 0) {
float ypos = -graphBounds.position.y / graphBounds.dimensions.y;
nvgBeginPath(nvg);
nvgMoveTo(nvg, gbounds.position.x,
ypos * gbounds.dimensions.y + gbounds.position.y);
nvgLineTo(nvg, gbounds.position.x + gbounds.dimensions.x,
ypos * gbounds.dimensions.y + gbounds.position.y);
nvgStrokeWidth(nvg, 2.0f);
nvgStrokeColor(nvg, context->theme.DARK.toSemiTransparent(0.75f));
nvgStroke(nvg);
}
if (gbounds.contains(cursorPosition)) {
context->setCursor(&Cursor::CrossHairs);
gpos = (cursorPosition - gbounds.position) / gbounds.dimensions;
gpos.y = 1 - gpos.y;
gpos = gpos * graphBounds.dimensions + graphBounds.position;
nvgBeginPath(nvg);
nvgMoveTo(nvg, cursorPosition.x, gbounds.position.y);
nvgLineTo(nvg, cursorPosition.x,
gbounds.position.y + gbounds.dimensions.y);
nvgStrokeWidth(nvg, 1.0f);
nvgStrokeColor(nvg, context->theme.DARK.toSemiTransparent(0.25f));
nvgStroke(nvg);
nvgBeginPath(nvg);
nvgMoveTo(nvg, gbounds.position.x, cursorPosition.y);
nvgLineTo(nvg, gbounds.position.x + gbounds.dimensions.x,
cursorPosition.y);
nvgStrokeWidth(nvg, 1.0f);
nvgStrokeColor(nvg, context->theme.DARK.toSemiTransparent(0.25f));
nvgStroke(nvg);
}
for (GraphDataPtr& curve : curves) {
std::vector<float2> points = curve->points;
if (points.size() > 1 && graphBounds.dimensions.x > 0.0f
&& graphBounds.dimensions.y > 0.0f) {
NVGcontext* nvg = context->nvgContext;
float2 last = points[0];
last = (last - graphBounds.position) / graphBounds.dimensions;
last.y = 1.0f - last.y;
last = last * gbounds.dimensions + gbounds.position;
nvgBeginPath(nvg);
nvgMoveTo(nvg, last.x, last.y);
for (int i = 1; i < (int)points.size(); i++) {
float2 pt = points[i];
pt = (pt - graphBounds.position) / graphBounds.dimensions;
pt.y = 1.0f - pt.y;
pt = pt * gbounds.dimensions + gbounds.position;
nvgLineTo(nvg, pt.x, pt.y);
last = pt;
}
nvgStrokeWidth(nvg, 2.0f);
nvgStrokeColor(nvg, curve->color);
nvgStroke(nvg);
}
}
nvgFontFaceId(nvg, context->getFontHandle(FontType::Bold));
nvgFontSize(nvg, LARGE_TEXT);
nvgTextAlign(nvg, NVG_ALIGN_CENTER | NVG_ALIGN_TOP);
drawText(nvg, rbounds.position + float2(rbounds.dimensions.x / 2, 2.0f),
name, FontStyle::Outline, context->theme.LIGHTEST,
context->theme.DARK);
nvgFontSize(nvg, MEDIUM_TEXT);
nvgFontFaceId(nvg, context->getFontHandle(FontType::Bold));
nvgTextAlign(nvg, NVG_ALIGN_CENTER | NVG_ALIGN_BOTTOM);
drawText(nvg,
rbounds.position
+ float2(rbounds.dimensions.x / 2,
rbounds.dimensions.y - 4.0f), xAxisLabel,
FontStyle::Outline, context->theme.LIGHTEST, context->theme.DARK);
nvgTextAlign(nvg, NVG_ALIGN_CENTER | NVG_ALIGN_TOP);
nvgSave(nvg);
pixel2 center = rbounds.position
+ float2(2.0f, rbounds.dimensions.y * 0.5f);
nvgTranslate(nvg, center.x, center.y);
nvgRotate(nvg, -ALY_PI * 0.5f);
drawText(nvg, pixel2(0, 2), yAxisLabel, FontStyle::Outline,
context->theme.LIGHTEST, context->theme.DARK);
nvgRestore(nvg);
nvgFontSize(nvg, SMALL_TEXT);
nvgTextAlign(nvg, NVG_ALIGN_RIGHT | NVG_ALIGN_TOP);
drawText(nvg, rbounds.position + float2(GRAPH_PADDING, GRAPH_PADDING),
MakeString() << std::setprecision(2)
<< (graphBounds.position.y + graphBounds.dimensions.y),
FontStyle::Outline, context->theme.LIGHTER, context->theme.DARK);
nvgTextAlign(nvg, NVG_ALIGN_RIGHT | NVG_ALIGN_BOTTOM);
drawText(nvg,
rbounds.position
+ float2(GRAPH_PADDING,
rbounds.dimensions.y - GRAPH_PADDING),
MakeString() << std::setprecision(2) << graphBounds.position.y,
FontStyle::Outline, context->theme.LIGHTER, context->theme.DARK);
nvgTextAlign(nvg, NVG_ALIGN_RIGHT | NVG_ALIGN_TOP);
drawText(nvg,
rbounds.position
+ float2(rbounds.dimensions.x - GRAPH_PADDING,
rbounds.dimensions.y - GRAPH_PADDING + 2),
MakeString() << std::setprecision(2)
<< (graphBounds.position.x + graphBounds.dimensions.x),
FontStyle::Outline, context->theme.LIGHTER, context->theme.DARK);
nvgTextAlign(nvg, NVG_ALIGN_LEFT | NVG_ALIGN_TOP);
drawText(nvg,
rbounds.position
+ float2(GRAPH_PADDING,
rbounds.dimensions.y - GRAPH_PADDING + 2),
MakeString() << std::setprecision(2) << graphBounds.position.x,
FontStyle::Outline, context->theme.LIGHTER, context->theme.DARK);
if (cursorPosition.x >= 0) {
float minDist = 1E30f;
float bestY = 0;
GraphDataPtr closestCurve;
for (GraphDataPtr& curve : curves) {
float y = curve->interpolate(gpos.x);
if (y != GraphData::NO_INTERSECT) {
if (std::abs(y - gpos.y) < minDist) {
minDist = std::abs(y - gpos.y);
bestY = y;
closestCurve = curve;
}
}
}
if (closestCurve.get() != nullptr) {
nvgBeginPath(nvg);
nvgStrokeWidth(nvg, 2.0f);
nvgFillColor(nvg, closestCurve->color);
nvgStrokeColor(nvg, context->theme.LIGHTER);
float2 pt(gpos.x, bestY);
pt = (pt - graphBounds.position) / graphBounds.dimensions;
pt.y = 1.0f - pt.y;
pt = pt * gbounds.dimensions + gbounds.position;
nvgCircle(nvg, pt.x, pt.y, 4);
nvgFill(nvg);
nvgStroke(nvg);
nvgBeginPath(nvg);
nvgFillColor(nvg, context->theme.DARK);
nvgCircle(nvg, cursorPosition.x, cursorPosition.y, 2);
nvgFill(nvg);
nvgTextAlign(nvg, NVG_ALIGN_RIGHT | NVG_ALIGN_MIDDLE);
nvgFontSize(nvg, MEDIUM_TEXT);
drawText(nvg, float2(pt.x - 8, pt.y), closestCurve->name,
FontStyle::Outline, context->theme.LIGHTEST,
context->theme.DARK);
nvgTextAlign(nvg, NVG_ALIGN_LEFT | NVG_ALIGN_MIDDLE);
drawText(nvg, float2(pt.x + 8, pt.y),
MakeString() << "(" << std::setprecision(2) << gpos.x
<< ", " << std::setprecision(2) << bestY << ")",
FontStyle::Outline, context->theme.LIGHTEST,
context->theme.DARK);
}
else {
nvgBeginPath(nvg);
nvgFillColor(nvg, context->theme.DARK);
nvgCircle(nvg, cursorPosition.x, cursorPosition.y, 2);
nvgFill(nvg);
}
}
}
void draw(NVGcontext *vg, float w, float h) {
bndBackground(vg, 0, 0, w, h);
// some OUI stuff
uiBeginLayout();
int root = panel();
// position root element
uiSetSize(0,w,h);
((UIData*)uiGetHandle(root))->handler = roothandler;
uiSetEvents(root, UI_SCROLL|UI_BUTTON0_DOWN);
uiSetBox(root, UI_COLUMN);
static int choice = -1;
int menu = uiItem();
uiSetLayout(menu, UI_HFILL|UI_TOP);
uiSetBox(menu, UI_ROW);
uiInsert(root, menu);
int opt_blendish_demo = add_menu_option(menu, "Blendish Demo", &choice);
int opt_oui_demo = add_menu_option(menu, "OUI Demo", &choice);
int opt_layouts = add_menu_option(menu, "UI_LAYOUT", &choice);
int opt_row = add_menu_option(menu, "UI_ROW", &choice);
int opt_column = add_menu_option(menu, "UI_COLUMN", &choice);
int opt_wrap = add_menu_option(menu, "UI_WRAP", &choice);
if (choice < 0)
choice = opt_blendish_demo;
int content = uiItem();
uiSetLayout(content, UI_FILL);
uiInsert(root, content);
if (choice == opt_blendish_demo) {
int democontent = uiItem();
uiSetLayout(democontent, UI_FILL);
uiInsert(content, democontent);
UIData *data = (UIData *)uiAllocHandle(democontent, sizeof(UIData));
data->handler = 0;
data->subtype = ST_DEMOSTUFF;
} else if (choice == opt_oui_demo) {
int democontent = uiItem();
uiSetLayout(democontent, UI_TOP);
uiSetSize(democontent, 250, 0);
uiInsert(content, democontent);
build_democontent(democontent);
} else if (choice == opt_layouts) {
build_layoutdemo(content);
} else if (choice == opt_row) {
build_rowdemo(content);
} else if (choice == opt_column) {
build_columndemo(content);
} else if (choice == opt_wrap) {
build_wrapdemo(content);
}
uiEndLayout();
drawUI(vg, 0, BND_CORNER_NONE);
#if 0
for (int i = 0; i < uiGetLastItemCount(); ++i) {
if (uiRecoverItem(i) == -1) {
UIitem *pitem = uiLastItemPtr(i);
nvgBeginPath(vg);
nvgRect(vg,pitem->margins[0],pitem->margins[1],pitem->size[0],pitem->size[1]);
nvgStrokeWidth(vg, 2);
nvgStrokeColor(vg, nvgRGBAf(1.0f,0.0f,0.0f,0.5f));
nvgStroke(vg);
}
}
#endif
if (choice == opt_blendish_demo) {
UIvec2 cursor = uiGetCursor();
cursor.x -= w/2;
cursor.y -= h/2;
if (abs(cursor.x) > (w/3)) {
bndJoinAreaOverlay(vg, 0, 0, w, h, 0, (cursor.x > 0));
} else if (abs(cursor.y) > (h/3)) {
bndJoinAreaOverlay(vg, 0, 0, w, h, 1, (cursor.y > 0));
}
}
uiProcess((int)(glfwGetTime()*1000.0));
}
JNIEXPORT void JNICALL Java_org_lwjgl_nanovg_NanoVG_nnvgStrokeWidth(JNIEnv *__env, jclass clazz, jlong ctxAddress, jfloat size) {
NVGcontext *ctx = (NVGcontext *)(intptr_t)ctxAddress;
UNUSED_PARAMS(__env, clazz)
nvgStrokeWidth(ctx, size);
}
