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projet complet av...
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#include <escher/gauge_view.h>
#include <escher/palette.h>
const uint8_t gaugeIndicatorMask[GaugeView::k_indicatorDiameter][GaugeView::k_indicatorDiameter] = {
{0xFF, 0xFF, 0xE1, 0x0C, 0x00, 0x00, 0x0C, 0xE1, 0xFF, 0xFF},
{0xFF, 0x45, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x45, 0xFF},
{0xE1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE1},
{0x0C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0C},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
{0x0C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0C},
{0xE1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE1},
{0xFF, 0x45, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x45, 0xFF},
{0xFF, 0xFF, 0xE1, 0x0C, 0x00, 0x00, 0x0C, 0xE1, 0xFF, 0xFF},
};
GaugeView::GaugeView() :
m_level(1),
m_backgroundColor(KDColorWhite)
{
}
float GaugeView::level() {
return m_level;
}
void GaugeView::setLevel(float level) {
if (m_level != level) {
level = level < 0 ? 0 : level;
level = level > 1 ? 1 : level;
m_level = level;
markRectAsDirty(bounds());
}
}
void GaugeView::setBackgroundColor(KDColor color) {
if (m_backgroundColor != color) {
m_backgroundColor = color;
markRectAsDirty(bounds());
}
}
KDColor s_gaugeIndicatorWorkingBuffer[GaugeView::k_indicatorDiameter*GaugeView::k_indicatorDiameter];
void GaugeView::drawRect(KDContext * ctx, KDRect rect) const {
ctx->fillRect(bounds(), m_backgroundColor);
/* Draw the gauge centered vertically on all the width available */
KDCoordinate width = bounds().width()-k_indicatorDiameter;
KDCoordinate height = bounds().height();
ctx->fillRect(KDRect(k_indicatorDiameter/2, (height-k_thickness)/2, width*m_level, k_thickness), Palette::YellowDark);
ctx->fillRect(KDRect(k_indicatorDiameter/2+width*m_level, (height-k_thickness)/2, width*(1.0f-m_level), k_thickness), Palette::GreyDark);
KDRect frame(width*m_level, (height-k_indicatorDiameter)/2, k_indicatorDiameter, k_indicatorDiameter);
ctx->blendRectWithMask(frame, Palette::YellowDark, (const uint8_t *)gaugeIndicatorMask, s_gaugeIndicatorWorkingBuffer);
}
KDSize GaugeView::minimalSizeForOptimalDisplay() const {
return KDSize(12*k_indicatorDiameter, k_indicatorDiameter);
}
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