v1.4.4

source/windowing/StarProgressWidget.cpp

@@ -0,0 +1,71 @@
+#include "StarProgressWidget.hpp"
+#include "StarLexicalCast.hpp"
+#include "StarInterpolation.hpp"
+
+namespace Star {
+
+ProgressWidget::ProgressWidget(String const& background,
+    String const& overlay,
+    ImageStretchSet const& progressSet,
+    GuiDirection direction)
+  : m_background(background),
+    m_overlay(overlay),
+    m_bar(progressSet),
+    m_direction(direction) {
+
+  m_progressLevel = 0;
+  m_maxLevel = 1;
+
+  if (!m_background.empty())
+    setSize(Vec2I(context()->textureSize(m_background)));
+  else if (!m_overlay.empty())
+    setSize(Vec2I(context()->textureSize(m_overlay)));
+
+  m_color = Color::White;
+}
+
+void ProgressWidget::renderImpl() {
+  float progress = 1;
+  if (m_maxLevel > 0)
+    progress = m_progressLevel / m_maxLevel;
+
+  auto shift = [&](float begin, float end, RectF templ) {
+    RectF result = templ;
+
+    if (m_direction == GuiDirection::Horizontal) {
+      result.min()[0] = lerp(begin, templ.min()[0], templ.max()[0]);
+      result.max()[0] = lerp(end, templ.min()[0], templ.max()[0]);
+    } else {
+      result.min()[1] = lerp(begin, templ.min()[1], templ.max()[1]);
+      result.max()[1] = lerp(end, templ.min()[1], templ.max()[1]);
+    }
+
+    return result;
+  };
+
+  if (!m_background.empty())
+    context()->drawInterfaceQuad(m_background, shift(0, 1, RectF(Vec2F(), Vec2F(size()))), shift(0, 1, RectF(screenBoundRect())));
+
+  context()->drawImageStretchSet(m_bar, shift(0, progress, RectF(screenBoundRect())), m_direction, m_color.toRgba());
+
+  if (!m_overlay.empty())
+    context()->drawInterfaceQuad(m_overlay, shift(0, 1, RectF({}, Vec2F(size()))), shift(0, 1, RectF(screenBoundRect())));
+}
+
+void ProgressWidget::setCurrentProgressLevel(float amount) {
+  m_progressLevel = amount;
+}
+
+void ProgressWidget::setMaxProgressLevel(float amount) {
+  m_maxLevel = amount;
+}
+
+void ProgressWidget::setColor(Color const& color) {
+  m_color = color;
+}
+
+void ProgressWidget::setOverlay(String const& overlay) {
+  m_overlay = overlay;
+}
+
+}