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[apps/shared] Add toggle buttons in Graph view

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Change-Id: I7548d11fb114b2605ce34d3bda0776277b79ff9d
This commit is contained in:
Hugo Saint-Vignes
2020-10-08 16:54:32 +02:00
committed by Émilie Feral
parent a76e54642c
commit 2f97dab6d1
20 changed files with 226 additions and 66 deletions
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31
apps/shared/interactive_curve_view_range.cpp
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@@ -11,6 +11,13 @@ using namespace Poincare;
namespace Shared {
void InteractiveCurveViewRange::setDelegate(InteractiveCurveViewRangeDelegate * delegate) {
m_delegate = delegate;
if (delegate) {
m_delegate->updateZoomButtons();
}
}
uint32_t InteractiveCurveViewRange::rangeChecksum() {
float data[] = {xMin(), xMax(), yMin(), yMax()};
size_t dataLengthInBytes = sizeof(data);
@@ -18,6 +25,20 @@ uint32_t InteractiveCurveViewRange::rangeChecksum() {
return Ion::crc32Word((uint32_t *)data, dataLengthInBytes/sizeof(uint32_t));
}
void InteractiveCurveViewRange::setZoomAuto(bool v) {
m_zoomAuto = v;
if (m_delegate) {
m_delegate->updateZoomButtons();
}
}
void InteractiveCurveViewRange::setZoomNormalize(bool v) {
m_zoomNormalize = v;
if (m_delegate) {
m_delegate->updateZoomButtons();
}
}
void InteractiveCurveViewRange::setXMin(float xMin) {
MemoizedCurveViewRange::protectedSetXMin(xMin, k_lowerMaxFloat, k_upperMaxFloat);
}
@@ -55,7 +76,7 @@ void InteractiveCurveViewRange::zoom(float ratio, float x, float y) {
float xMa = xMax();
float yMi = yMin();
float yMa = yMax();
m_zoomAuto = false;
setZoomAuto(false);
if (ratio*std::fabs(xMa-xMi) < Range1D::k_minFloat || ratio*std::fabs(yMa-yMi) < Range1D::k_minFloat) {
return;
}
@@ -163,7 +184,7 @@ void InteractiveCurveViewRange::panToMakePointVisible(float x, float y, float to
const float xRange = xMax() - xMin();
const float leftMargin = leftMarginRatio * xRange;
if (x < xMin() + leftMargin) {
m_zoomAuto = false;
setZoomAuto(false);
/* The panning increment is a whole number of pixels so that the caching
* for cartesian functions is not invalidated. */
const float newXMin = std::floor((x - leftMargin - xMin()) / pixelWidth) * pixelWidth + xMin();
@@ -172,7 +193,7 @@ void InteractiveCurveViewRange::panToMakePointVisible(float x, float y, float to
}
const float rightMargin = rightMarginRatio * xRange;
if (x > xMax() - rightMargin) {
m_zoomAuto = false;
setZoomAuto(false);
const float newXMax = std::ceil((x + rightMargin - xMax()) / pixelWidth) * pixelWidth + xMax();
m_xRange.setMax(newXMax, k_lowerMaxFloat, k_upperMaxFloat);
MemoizedCurveViewRange::protectedSetXMin(xMax() - xRange, k_lowerMaxFloat, k_upperMaxFloat);
@@ -182,14 +203,14 @@ void InteractiveCurveViewRange::panToMakePointVisible(float x, float y, float to
const float yRange = yMax() - yMin();
const float bottomMargin = bottomMarginRatio * yRange;
if (y < yMin() + bottomMargin) {
m_zoomAuto = false;
setZoomAuto(false);
const float newYMin = y - bottomMargin;
m_yRange.setMax(newYMin + yRange, k_lowerMaxFloat, k_upperMaxFloat);
MemoizedCurveViewRange::protectedSetYMin(newYMin, k_lowerMaxFloat, k_upperMaxFloat);
}
const float topMargin = topMarginRatio * yRange;
if (y > yMax() - topMargin) {
m_zoomAuto = false;
setZoomAuto(false);
m_yRange.setMax(y + topMargin, k_lowerMaxFloat, k_upperMaxFloat);
MemoizedCurveViewRange::protectedSetYMin(yMax() - yRange, k_lowerMaxFloat, k_upperMaxFloat);
}