From c0c336500955a23e344651e5412c9d9d441ef4ee Mon Sep 17 00:00:00 2001
From: Ash Wolf <ninji@wuffs.org>
Date: Wed, 28 Jun 2023 22:22:32 +0100
Subject: first pass of T2DLL

---
 src/T2DLL/CPiledMultiBarChartView.cpp | 107 ++++++++++++++++++++++++++++++++--
 1 file changed, 102 insertions(+), 5 deletions(-)

(limited to 'src/T2DLL/CPiledMultiBarChartView.cpp')

diff --git a/src/T2DLL/CPiledMultiBarChartView.cpp b/src/T2DLL/CPiledMultiBarChartView.cpp
index 16b602e..b39450a 100644
--- a/src/T2DLL/CPiledMultiBarChartView.cpp
+++ b/src/T2DLL/CPiledMultiBarChartView.cpp
@@ -1,25 +1,122 @@
 #include "CPiledMultiBarChartView.h"
+#include "T2Archive.h"
 
-/*static*/ CPiledMultiBarChartView* CPiledMultiBarChartView::CreateCPiledMultiBarChartViewStream(T2Archive*) {
+/*static*/ CPiledMultiBarChartView* CPiledMultiBarChartView::CreateCPiledMultiBarChartViewStream(T2Archive* inStream) {
+    return new CPiledMultiBarChartView(inStream);
 }
 
-CPiledMultiBarChartView::CPiledMultiBarChartView(T2Archive*) {
+CPiledMultiBarChartView::CPiledMultiBarChartView(T2Archive* inStream)
+    : mPixelPerValue(1)
+    , mColorOfPiles(NULL)
+    , mGraphData(NULL)
+{
+    inStream->Read(&mSkipDrawing, sizeof(mSkipDrawing));
+    inStream->Read(&mPiles, sizeof(mPiles));
+    inStream->Read(&mBars, sizeof(mBars));
+    inStream->Read(&mBarWidth, sizeof(mBarWidth));
+    inStream->Read(&mXOffset, sizeof(mXOffset));
+    inStream->Read(&mBarInterval, sizeof(mBarInterval));
+#line 40
+    _ASSERT(mPiles > 0 && mBars > 0 && mBarWidth > 0 && mBarInterval >= 0);
+    inStream->Read(&mLines, sizeof(mLines));
+    inStream->Read(&mLineInterval, sizeof(mLineInterval));
+    inStream->Read(&mLineLength, sizeof(mLineLength));
 }
 
 /*virtual*/ CPiledMultiBarChartView::~CPiledMultiBarChartView() {
+    if (mColorOfPiles)
+        delete[] mColorOfPiles;
 }
 
-void CPiledMultiBarChartView::SetGraphData(const CPiledMultiBarChartView::GraphData*) {
+void CPiledMultiBarChartView::SetGraphData(const GraphData* inData) {
+    mGraphData = inData;
+    Refresh();
 }
 
-void CPiledMultiBarChartView::SetPixelPerValue(int, int) {
+void CPiledMultiBarChartView::SetPixelPerValue(int inPixelPerValue, BOOL inRefresh) {
+    mPixelPerValue = inPixelPerValue;
+    if (inRefresh)
+        Refresh();
 }
 
-void CPiledMultiBarChartView::SetColorOfPiles(int, const unsigned long*, int) {
+void CPiledMultiBarChartView::SetColorOfPiles(int inCount, const COLORREF* inColors, BOOL inRefresh) {
+    if (inColors) {
+        if (!mColorOfPiles)
+            mColorOfPiles = new COLORREF[mPiles];
+
+        memset(mColorOfPiles, 0, mPiles * sizeof(COLORREF));
+        memmove(mColorOfPiles, inColors, min(inCount, mPiles) * sizeof(COLORREF));
+
+        if (inRefresh)
+            Refresh();
+    }
 }
 
 void CPiledMultiBarChartView::Refresh() {
+    CRect rect;
+    GetClientRect(rect);
+    InvalidateRect(rect);
 }
 
 void CPiledMultiBarChartView::DrawSelf() {
+    CRect theFrameRect;
+    GetClientRect(theFrameRect);
+
+    if (!theFrameRect.IsRectEmpty()) {
+        CDC *pDC = GetDC();
+        int unknownValue = 0;
+
+        CPen *theOldPen = (CPen *) pDC->SelectStockObject(BLACK_PEN);
+        CBrush *oldBrush = (CBrush *) pDC->SelectStockObject(NULL_BRUSH);
+
+        pDC->MoveTo(theFrameRect.left, theFrameRect.top);
+        pDC->LineTo(theFrameRect.left, theFrameRect.bottom - 1);
+        pDC->LineTo(theFrameRect.right - 1, theFrameRect.bottom - 1);
+
+        BOOL drawBars = (mGraphData != NULL) && (mColorOfPiles != NULL) && (mPixelPerValue != 0);
+        BOOL drawLines = (mLines > 0) && (mLineInterval > 0) && (mLineLength > 0);
+
+        if (mSkipDrawing)
+            goto skip;
+
+        if (drawLines) {
+            int y = theFrameRect.bottom - 1;
+            for (int i = 0; i < mLines; i++) {
+                y -= mLineInterval;
+                pDC->MoveTo(theFrameRect.left, y);
+                pDC->LineTo(theFrameRect.left + mLineLength, y);
+            }
+        }
+
+        if (drawBars) {
+            int numOfBars = min(mBars, mGraphData->bars);
+            int x = mXOffset;
+
+            for (int currentBar = 0; currentBar < numOfBars; currentBar++) {
+                int y = 0;
+                int numOfPiles = min(mPiles, mGraphData->piles);
+
+                for (int currentPile = 0; currentPile < numOfPiles; currentPile++) {
+                    int rawValue = mGraphData->data[mGraphData->piles * currentBar + currentPile];
+                    int value = rawValue / mPixelPerValue;
+                    if (value > 0) {
+                        CRect pileRect(x, -(y + value), x + mBarWidth, -y);
+                        pileRect.OffsetRect(theFrameRect.left, theFrameRect.bottom);
+                        y += value;
+
+                        CBrush pileBrush(mColorOfPiles[currentPile]);
+                        pDC->SelectObject(pileBrush);
+                        pDC->Rectangle(pileRect);
+                    }
+                }
+
+                x += mBarInterval;
+            }
+        }
+
+    skip:
+        pDC->SelectObject(oldBrush);
+        pDC->SelectObject(theOldPen);
+        ReleaseDC(pDC);
+    }
 }
-- 
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