box2px TreeItem::update(AlloyContext* context, const pixel2& offset) {
NVGcontext* nvg = context->nvgContext;
nvgTextAlign(nvg, NVG_ALIGN_LEFT | NVG_ALIGN_TOP);
nvgFontSize(nvg, fontSize);
nvgFontFaceId(nvg, context->getFontHandle(FontType::Bold));
spaceWidth = fontSize + PADDING * 2;
float textWidth = nvgTextBounds(nvg, 0, 0, name.c_str(), nullptr, nullptr);
nvgFontFaceId(nvg, context->getFontHandle(FontType::Icon));
float iconWidth =
(iconCodeString.length() == 0) ?
0 :
nvgTextBounds(nvg, 0, 0, iconCodeString.c_str(), nullptr,
nullptr) + PADDING * 2;
float th = (name.length() > 0) ? fontSize + PADDING * 2 : 0;
selectionBounds = box2px(offset,
pixel2(textWidth + iconWidth + spaceWidth + PADDING, th));
bounds = selectionBounds;
if (isExpanded()) {
pixel2 pt = offset + pixel2((name.length() > 0) ? spaceWidth : 0, th);
for (TreeItemPtr& item : children) {
box2px cdims = item->update(context, pt);
bounds.dimensions = aly::max(bounds.max(), cdims.max())
- aly::min(bounds.min(), cdims.min());
pt += pixel2(0.0f, cdims.dimensions.y);
}
}
return bounds;
}
void TreeItem::draw(ExpandTree* tree, AlloyContext* context,
const pixel2& offset) {
box2px bounds = getBounds();
NVGcontext* nvg = context->nvgContext;
nvgFontFaceId(nvg, context->getFontHandle(FontType::Icon));
float spaceWidth = fontSize + PADDING * 2;
float iconWidth = 0;
static const std::string rightArrow = CodePointToUTF8(0xf0da);
static const std::string downArrow = CodePointToUTF8(0xf0d7);
pixel2 pt = bounds.position + offset;
bool selected = (tree->getSelectedItem() == this)&&!tree->isOverArrow();
nvgFontSize(nvg, fontSize);
if (iconCodeString.length() > 0) {
iconWidth = nvgTextBounds(nvg, 0, 0, iconCodeString.c_str(), nullptr,
nullptr) + PADDING * 2;
if (children.size() > 0 || onExpand) {
nvgTextAlign(nvg, NVG_ALIGN_CENTER | NVG_ALIGN_TOP);
if (tree->isOverArrow()) {
nvgFillColor(nvg, context->theme.LIGHTEST);
}
else {
nvgFillColor(nvg, context->theme.LIGHTER);
}
nvgText(nvg, pt.x + spaceWidth * 0.5f, pt.y + PADDING,
(expanded) ? downArrow.c_str() : rightArrow.c_str(),
nullptr);
}
if (selected) {
nvgFillColor(nvg, context->theme.LIGHTEST);
}
else {
nvgFillColor(nvg, context->theme.LIGHTER);
}
nvgTextAlign(nvg, NVG_ALIGN_LEFT | NVG_ALIGN_TOP);
nvgText(nvg, pt.x + spaceWidth, pt.y + PADDING, iconCodeString.c_str(),
nullptr);
}
if (name.length() > 0) {
if (selected) {
nvgFillColor(nvg, context->theme.LIGHTEST);
}
else {
nvgFillColor(nvg, context->theme.LIGHTER);
}
nvgTextAlign(nvg, NVG_ALIGN_LEFT | NVG_ALIGN_TOP);
nvgFontFaceId(nvg, context->getFontHandle(FontType::Bold));
nvgText(nvg, pt.x + iconWidth + spaceWidth, pt.y + PADDING,
name.c_str(), nullptr);
}
if (expanded) {
for (TreeItemPtr& item : children) {
item->draw(tree, context, offset);
}
}
}
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 AwesomeGlyph::draw(const box2px& bounds, const Color& fgColor,
const Color& bgColor, AlloyContext* context) {
NVGcontext* nvg = context->nvgContext;
nvgFontFaceId(nvg, context->getFontHandle(FontType::Icon));
nvgFontSize(nvg, height);
nvgTextAlign(nvg, NVG_ALIGN_MIDDLE | NVG_ALIGN_CENTER);
drawText(nvg, bounds.position + HALF_PIX(bounds.dimensions), name, style,
fgColor, bgColor, nullptr);
}
void IterationRunWork::output(run::World& run)
{
// draw background
demo::background( batb, run );
if ( item_ )
{
switch ( item_->mode )
{
case WorkItem::Mode::Definite:
{
//tb_widget_->set( item_->alpha, item_->tag );
const auto& tag = item_->tag;
auto alpha = item_->alpha;
// draw progressbar. FIXME
auto nvg = batb.gl.nanovg_begin( run.scene );
float_t w = 512;
float_t h = 22;
float_t x = 0.5 * (run.scene.wth - w);
float_t y = 0.5 * run.scene.hth + 112;
float_t r = 11;
nvgBeginPath( nvg );
nvgRoundedRect( nvg, x, y, w, h, r );
nvgFillColor( nvg, nvgRGBf( 1.0, 1.0, 1.0 ) );
nvgFill( nvg );
nvgBeginPath( nvg );
nvgRoundedRect( nvg, x, y, alpha * w, h, r );
nvgFillColor( nvg, nvgRGBf( 1.0, 0.22, 0.0 ) );
nvgFill( nvg );
static int font = -1;
if ( font == -1 )
{
font = batb.gl.nanovg_font( "sans", file::static_data( "batb/Ubuntu-Title.ttf" ) );
}
nvgFontSize( nvg, 20 );
nvgTextAlign( nvg, NVG_ALIGN_CENTER | NVG_ALIGN_MIDDLE );
nvgFontFaceId( nvg, font );
nvgFillColor( nvg, nvgRGBf( 0.0, 0.0, 0.0 ) );
//nvgFillColor( nvg, nvgRGBf( 0.11, 0.64, 0.04 ) );
nvgText( nvg, x + 0.5 * w, y + 0.5 * h, tag.c_str(), nullptr );
batb.gl.nanovg_end();
}
break;
case WorkItem::Mode::Indefinite:
// FIXME: draw a finite progressbar/spinner
break;
}
}
}
AwesomeGlyph::AwesomeGlyph(int codePoint, AlloyContext* context,
const FontStyle& style, pixel height) :
Glyph(CodePointToUTF8(codePoint), GlyphType::Awesome, 0, height), codePoint(
codePoint), style(style) {
NVGcontext* nvg = context->nvgContext;
nvgFontSize(nvg, height);
nvgFontFaceId(nvg, context->getFontHandle(FontType::Icon));
width = nvgTextBounds(nvg, 0, 0, name.c_str(), nullptr, nullptr);
}
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);
}
static void applyTextFormat(VectorTextFormat *format, lmscalar alpha) {
format->ensureFontId();
if (format->fontId >= 0) nvgFontFaceId(nvg, format->fontId);
if (format->color >= 0) {
unsigned int rgb = format->color;
float cr = ((rgb >> 16) & 0xff) / 255.0f;
float cg = ((rgb >> 8) & 0xff) / 255.0f;
float cb = ((rgb >> 0) & 0xff) / 255.0f;
nvgFillColor(nvg, nvgRGBAf(cr, cg, cb, (float)alpha));
}
size_t NvgFont::get_cursor_location(const std::string & text, float fontSize, int xCoord) const
{
std::vector<NVGglyphPosition> positions(text.size());
nvgFontSize(nvg, fontSize);
nvgFontFaceId(nvg, id);
nvgTextAlign(nvg, NVG_ALIGN_LEFT | NVG_ALIGN_TOP);
positions.resize(nvgTextGlyphPositions(nvg, 0, 0, text.data(), text.data() + (int) text.size(), positions.data(), (int) positions.size()));
for (size_t i = 0; i<positions.size(); ++i)
{
if(xCoord < positions[i].maxx)
return i;
}
return positions.size();
}
int Font::getCursorPosition(const std::string & text, float fontSize,
int xCoord) const {
std::vector<NVGglyphPosition> positions(text.size());
nvgFontSize(nvg, fontSize);
nvgFontFaceId(nvg, handle);
nvgTextAlign(nvg, NVG_ALIGN_LEFT | NVG_ALIGN_TOP);
positions.resize(
nvgTextGlyphPositions(nvg, 0, 0, text.data(),
text.data() + text.size(), positions.data(),
(int) positions.size()));
for (size_t i = 0; i < positions.size(); ++i) {
if (xCoord < positions[i].maxx) {
return static_cast<int>(i);
}
}
return static_cast<int>(positions.size());
}
void Cursor::draw(AlloyContext* context) const {
pixel2 cursor = context->cursorPosition;
if (fontSize > 0.0f && context->hasFocus && cursor.x >= 0 && cursor.y >= 0
&& cursor.x < context->getScreenWidth() && cursor.y < context->getScreenHeight()) {
NVGcontext* nvg = context->nvgContext;
nvgTextAlign(nvg, align);
nvgSave(nvg);
nvgFontFaceId(nvg, context->getFontHandle(fontType));
nvgFontSize(nvg, fontSize);
nvgFillColor(nvg, Color(255, 255, 255));
nvgTranslate(nvg, cursor.x+nudge.x, cursor.y+nudge.y);
nvgRotate(nvg, angle);
const float shift = 1.0f;
const char* txt = codeString.c_str();
nvgFillColor(nvg, Color(0, 0, 0));
nvgText(nvg, +shift, 0, txt, nullptr);
nvgText(nvg, -shift, 0, txt, nullptr);
nvgText(nvg, 0, +shift, txt, nullptr);
nvgText(nvg, 0, -shift, txt, nullptr);
nvgFillColor(nvg, Color(255, 255, 255));
nvgText(nvg, 0, 0, txt, nullptr);
nvgRestore(nvg);
}
}
int main()
{
constexpr auto width = 1200u;
constexpr auto height = 800u;
// init ny app
auto& backend = ny::Backend::choose();
if(!backend.vulkan()) {
dlg_error("ny backend has no vulkan support!");
return 0;
}
auto ac = backend.createAppContext();
// basic vpp init
auto iniExtensions = ac->vulkanExtensions();
iniExtensions.push_back(VK_EXT_DEBUG_REPORT_EXTENSION_NAME);
vk::ApplicationInfo appInfo ("vpp-intro", 1, "vpp", 1, VK_API_VERSION_1_0);
vk::InstanceCreateInfo instanceInfo;
instanceInfo.pApplicationInfo = &appInfo;
instanceInfo.enabledExtensionCount = iniExtensions.size();
instanceInfo.ppEnabledExtensionNames = iniExtensions.data();
#ifdef WithLayers
constexpr auto layer = "VK_LAYER_LUNARG_standard_validation";
instanceInfo.enabledLayerCount = 1;
instanceInfo.ppEnabledLayerNames = &layer;
#endif
vpp::Instance instance(instanceInfo);
#ifdef WithLayers
vpp::DebugCallback debugCallback(instance);
#endif
// ny init
auto run = true;
auto listener = MyWindowListener {};
listener.run = &run;
auto vkSurface = vk::SurfaceKHR {};
auto ws = ny::WindowSettings {};
ws.surface = ny::SurfaceType::vulkan;
ws.listener = &listener;
ws.size = {width, height};
ws.vulkan.instance = (VkInstance) instance.vkHandle();
ws.vulkan.storeSurface = &(std::uintptr_t&) (vkSurface);
auto wc = ac->createWindowContext(ws);
// further vpp init
const vpp::Queue* presentQueue;
vpp::Device device(instance, vkSurface, presentQueue);
vpp::Swapchain swapchain(device, vkSurface, {width, height}, {});
// vvg setup
auto nvgContext = vvg::createContext(swapchain);
auto font = nvgCreateFont(nvgContext, "sans", "Roboto-Regular.ttf");
using Clock = std::chrono::high_resolution_clock;
auto lastFrameTimer = Clock::now();
unsigned int framesCount = 0;
std::string fpsString = "420 fps";
// main loop
while(run) {
if(!ac->dispatchEvents())
break;
nvgBeginFrame(nvgContext, width, height, width / (float) height);
nvgBeginPath(nvgContext);
nvgMoveTo(nvgContext, 10, 10);
nvgLineTo(nvgContext, 10, 400);
nvgLineTo(nvgContext, 100, 400);
nvgQuadTo(nvgContext, 100, 50, 400, 120);
nvgLineTo(nvgContext, 450, 10);
nvgClosePath(nvgContext);
nvgFillColor(nvgContext, nvgRGBAf(0.5, 0.8, 0.7, 1.0));
nvgFill(nvgContext);
nvgBeginPath(nvgContext);
nvgFontFaceId(nvgContext, font);
nvgFontSize(nvgContext, 100.f);
nvgFontBlur(nvgContext, .8f);
nvgFillColor(nvgContext, nvgRGBAf(1.0, 1.0, 1.0, 1.0));
nvgTextBox(nvgContext, 200, 200, width - 200, "Hello Vulkan Vector Graphics World", nullptr);
nvgFontSize(nvgContext, 30.f);
nvgFontBlur(nvgContext, .2f);
nvgText(nvgContext, 10, height - 20, fpsString.c_str(), nullptr);
nvgBeginPath(nvgContext);
nvgRect(nvgContext, 700, 400, 300, 300);
nvgPathWinding(nvgContext, NVG_HOLE);
nvgRect(nvgContext, 750, 450, 50, 50);
// auto paint = nvgRadialGradient(nvgContext, 750, 425,20, 50, nvgRGB(0, 0, 200), nvgRGB(200, 200, 0));
// auto paint = nvgRadialGradient(nvgContext, 0.0, 0.0, 0.2, 100.0, nvgRGB(0, 0, 200), nvgRGB(200, 200, 0));
auto paint = nvgLinearGradient(nvgContext, 700, 400, 800, 450, nvgRGB(0, 0, 200), nvgRGB(200, 200, 0));
nvgFillPaint(nvgContext, paint);
// nvgFillColor(nvgContext, nvgRGBA(200, 200, 0, 200));
nvgClosePath(nvgContext);
nvgFill(nvgContext);
nvgEndFrame(nvgContext);
// only refresh frame timer every second
framesCount++;
if(Clock::now() - lastFrameTimer >= std::chrono::seconds(1)) {
fpsString = std::to_string(framesCount) + " fps";
lastFrameTimer = Clock::now();
framesCount = 0;
}
}
vvg::destroyContext(*nvgContext);
}
void Application::drawDebugUI() {
NVGcontext* nvg = context->nvgContext;
nvgBeginFrame(nvg, context->getScreenWidth(), context->getScreenHeight(),1.0f);
nvgResetScissor(nvg);
rootRegion.drawDebug(context.get());
Region* onTop = context->getOnTopRegion();
if (onTop != nullptr) {
onTop->drawDebug(context.get());
}
float cr = context->theme.CORNER_RADIUS;
if (context->getViewport().contains(context->cursorPosition)) {
nvgFontSize(nvg, 15);
nvgFontFaceId(nvg, context->getFontHandle(FontType::Bold));
/*
int alignment = 0;
if (context->cursorPosition.x < context->width() * 0.5f) {
alignment = NVG_ALIGN_LEFT;
} else {
alignment = NVG_ALIGN_RIGHT;
}
if (context->cursorPosition.y < context->height() * 0.5f) {
alignment |= NVG_ALIGN_TOP;
} else {
alignment |= NVG_ALIGN_BOTTOM;
}
std::string txt = MakeString() << std::setprecision(4) << " "
<< context->cursorPosition;
nvgTextAlign(nvg, alignment);
nvgFillColor(nvg, Color(0, 0, 0, 128));
if (context->hasFocus) {
drawText(nvg, context->cursorPosition, txt, FontStyle::Outline,
Color(255), Color(64, 64, 64));
}
*/
nvgTextAlign(nvg, NVG_ALIGN_TOP);
float yoffset = 5;
std::string txt = context->hasFocus ? "Window Has Focus" : "Window Lost Focus";
drawText(nvg, 5, yoffset, txt.c_str(), FontStyle::Outline, Color(255),
Color(64, 64, 64));
yoffset += 16;
if (context->mouseOverRegion != nullptr) {
txt = MakeString() << "Mouse Over ["
<< context->mouseOverRegion->name << "] "
<< context->cursorPosition;
drawText(nvg, 5, yoffset, txt.c_str(), FontStyle::Outline,
Color(255), Color(64, 64, 64));
yoffset += 16;
}
if (context->mouseDownRegion != nullptr) {
txt = MakeString() << "Mouse Down ["
<< context->mouseDownRegion->name << "] "
<< context->cursorDownPosition;
drawText(nvg, 5, yoffset, txt.c_str(), FontStyle::Outline,
Color(255), Color(64, 64, 64));
yoffset += 16;
}
if (context->mouseFocusRegion != nullptr) {
txt = MakeString() << "Mouse Focus ["
<< context->mouseFocusRegion->name << "]";
drawText(nvg, 5, yoffset, txt.c_str(), FontStyle::Outline,
Color(255), Color(64, 64, 64));
yoffset += 16;
}
if (context->onTopRegion != nullptr) {
txt =
MakeString() << "On Top [" << context->onTopRegion->name
<< ": "
<< (context->onTopRegion->isVisible() ?
"Visible" : "Hidden") << "]";
drawText(nvg, 5, yoffset, txt.c_str(), FontStyle::Outline,
Color(255), Color(64, 64, 64));
yoffset += 16;
}
if (context->leftMouseButton) {
txt = "Left Mouse Button Down";
drawText(nvg, 5, yoffset, txt.c_str(), FontStyle::Outline,
Color(255), Color(64, 64, 64));
yoffset += 16;
}
if (context->rightMouseButton) {
txt = "Right Mouse Button Down";
drawText(nvg, 5, yoffset, txt.c_str(), FontStyle::Outline,
Color(255), Color(64, 64, 64));
yoffset += 16;
}
if (context->hasFocus) {
nvgBeginPath(nvg);
nvgLineCap(nvg, NVG_ROUND);
nvgStrokeWidth(nvg, 2.0f);
nvgStrokeColor(nvg, Color(255, 255, 255, 255));
nvgMoveTo(nvg, context->cursorPosition.x - cr,
context->cursorPosition.y);
nvgLineTo(nvg, context->cursorPosition.x + cr,
context->cursorPosition.y);
nvgMoveTo(nvg, context->cursorPosition.x,
context->cursorPosition.y - cr);
nvgLineTo(nvg, context->cursorPosition.x,
context->cursorPosition.y + cr);
nvgStroke(nvg);
nvgBeginPath(nvg);
nvgFillColor(nvg, Color(255, 255, 255, 255));
nvgCircle(nvg, context->cursorPosition.x, context->cursorPosition.y,
3.0f);
nvgFill(nvg);
nvgBeginPath(nvg);
nvgFillColor(nvg, Color(255, 64, 32, 255));
nvgCircle(nvg, context->cursorPosition.x, context->cursorPosition.y,
1.5f);
nvgFill(nvg);
}
}
nvgEndFrame(nvg);
}
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 NVGRenderer::fontFaceId(int font)
{
nvgFontFaceId(m_context, font);
}
void QNanoPainter::setFont(QNanoFont &font)
{
font.setParentPainter(this);
nvgFontFaceId(nvgCtx(), font.getID(nvgCtx()));
m_fontSet = true;
}
JNIEXPORT void JNICALL Java_firststep_internal_NVG_fontFaceId
(JNIEnv *e, jclass c, jlong ctx, jint fid)
{
nvgFontFaceId((NVGcontext*)ctx, fid);
}
