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PlotDigitalEx optimization

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ozlb 2020-05-04 14:17:39 +02:00 committed by GitHub
parent 9b157783c7
commit 52ae8ff8cd
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 23 additions and 18 deletions
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implot.cpp
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@ -2314,6 +2314,15 @@ inline void PlotDigitalEx(const char* label_id, Getter getter, int count, int of
// render digital signals as "pixel bases" rectangles
if (count > 1 && rend_line) {
//
const float mx = (gp.PixelRange.Max.x - gp.PixelRange.Min.x) / (gp.CurrentPlot->XAxis.Max - gp.CurrentPlot->XAxis.Min);
int pixY_0 = line_weight;
int pixY_1 = gp.Style.DigitalBitHeight;
int pixY_Offset = 20;//20 pixel from bottom due to mouse cursor label
int pixY_chOffset = pixY_1 + 3; //3 pixels between channels
ImVec2 pMin, pMax;
float y0 = (gp.PixelRange.Min.y) + ((-pixY_chOffset * gp.DigitalPlotItemCnt) - pixY_0 - pixY_Offset);
float y1 = (gp.PixelRange.Min.y) + ((-pixY_chOffset * gp.DigitalPlotItemCnt) - pixY_1 - pixY_Offset);
const int segments = count - 1;
int i1 = offset;
for (int s = 0; s < segments; ++s) {
@ -2321,26 +2330,22 @@ inline void PlotDigitalEx(const char* label_id, Getter getter, int count, int of
ImVec2 itemData1 = getter(i1);
ImVec2 itemData2 = getter(i2);
i1 = i2;
const float mx = (gp.PixelRange.Max.x - gp.PixelRange.Min.x) / (gp.CurrentPlot->XAxis.Max - gp.CurrentPlot->XAxis.Min);
int pixY_0 = line_weight;
int pixY_1 = gp.Style.DigitalBitHeight;
int pixY_Offset = 20;//20 pixel from bottom due to mouse cursor label
int pixY_chOffset = pixY_1 + 3; //3 pixels between channels
float y1 = (gp.PixelRange.Min.y) + ((-pixY_chOffset * gp.DigitalPlotItemCnt) - ((itemData1.y == 0.0) ? pixY_0 : pixY_1) - pixY_Offset);
float y2 = (gp.PixelRange.Min.y) + ((-pixY_chOffset * gp.DigitalPlotItemCnt) - pixY_Offset);
float l = gp.PixelRange.Min.x + mx * (itemData2.x - gp.CurrentPlot->XAxis.Min);
float r = gp.PixelRange.Min.x + mx * (itemData1.x - gp.CurrentPlot->XAxis.Min);
ImVec2 cl, cr;
cl.x = l;
cl.y = y1;
cr.x = r;
cr.y = y2;
if (!cull || gp.BB_Grid.Contains(cl) || gp.BB_Grid.Contains(cr)) {
pMin.x = gp.PixelRange.Min.x + mx * (itemData1.x - gp.CurrentPlot->XAxis.Min);
pMin.y = (gp.PixelRange.Min.y) + ((-pixY_chOffset * gp.DigitalPlotItemCnt) - pixY_Offset);
pMax.x = gp.PixelRange.Min.x + mx * (itemData2.x - gp.CurrentPlot->XAxis.Min);
pMax.y = (itemData1.y == 0.0) ? y0 : y1;
while (((s+1) < segments) && (round(pMin.x) == round(pMax.x))) {
const int i2 = (i1 + 1) % count;
ImVec2 itemData2 = getter(i2);
pMax.x = gp.PixelRange.Min.x + mx * (itemData2.x - gp.CurrentPlot->XAxis.Min);
pMax.y = (itemData1.y == 0.0) ? y0 : y1;
i1 = i2;
s++;
}
if (!cull || gp.BB_Grid.Contains(pMin) || gp.BB_Grid.Contains(pMax)) {
auto colAlpha = item->Color;
colAlpha.w = item->Highlight ? 1.0 : 0.9;
DrawList.AddRectFilled({l, y1}, {r, y2}, GetColorU32(colAlpha));
DrawList.AddRectFilled(pMin, pMax, GetColorU32(colAlpha));
}
}
gp.DigitalPlotItemCnt++;