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SnowModelGraph.cpp
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SnowModelGraph.cpp
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#include "stdafx.h"
#include <CommCtrl.h>
#include "SnowModel.h"
#include "CSnow.h"
#include "DrawGraph.h"
extern HINSTANCE hInst; // òåêóùèé ýêçåìïëÿð
extern BOOL bInvalidateGraph;
extern BOOL bInvalidateTemperature;
HDC hdcMem;
HBITMAP hMemBmp;
#define LAYERS_COUNT 2 //0 - SNOW, 1 - GRAPH, 2 - ALL
HDC hdcLayers[LAYERS_COUNT];
HBITMAP hLayersBmp[LAYERS_COUNT];
BOOL GRAPHWND_OnCreate(HWND hWnd, LPCREATESTRUCT);
void GRAPHWND_OnSize(HWND hWnd, UINT state, int cx, int cy);
void GRAPHWND_OnPaint(HWND hWnd);
void GRAPHWND_OnLButtonDown(HWND hWnd, BOOL fDoubleClick, int x, int y, UINT keyFlags);
void GRAPHWND_OnCommand(HWND hWnd, int id, HWND hwndCtl, UINT codeNotify);
void GRAPHWND_OnKeyDown(HWND hWnd, UINT vk, BOOL fDown, int cRepeat, UINT flags);
void GRAPHWND_OnDestroy(HWND hWnd);
LRESULT CALLBACK WndGraphProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message)
{
HANDLE_MSG(hWnd, WM_CREATE, GRAPHWND_OnCreate);
HANDLE_MSG(hWnd, WM_SIZE, GRAPHWND_OnSize);
HANDLE_MSG(hWnd, WM_PAINT, GRAPHWND_OnPaint);
HANDLE_MSG(hWnd, WM_LBUTTONDOWN, GRAPHWND_OnLButtonDown);
HANDLE_MSG(hWnd, WM_COMMAND, GRAPHWND_OnCommand);
HANDLE_MSG(hWnd, WM_KEYDOWN, GRAPHWND_OnKeyDown);
HANDLE_MSG(hWnd, WM_DESTROY, GRAPHWND_OnDestroy);
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
return 0;
}
//int wmId, wmEvent;
//HDC hdc;
//static HWND hEditS, hEditE;
//static HWND hRadio1, hRadio2;
//static double delta;
//static int timeS, timeE;
//RECT rect;
BOOL GRAPHWND_OnCreate(HWND hWnd, LPCREATESTRUCT)
{
RECT rect;
GetClientRect(hWnd, &rect);
CreateWindow(_T("edit"), _T("0"), WS_CHILD | WS_VISIBLE | ES_NUMBER, MARGIN, rect.bottom - BUTTON_HEIGHT, BUTTON_WIDTH, BUTTON_HEIGHT, hWnd, (HMENU)IDC_EDIT_S, hInst, NULL);
CreateWindow(_T("edit"), _T("500"), WS_CHILD | WS_VISIBLE | ES_NUMBER | ES_RIGHT, rect.right - BUTTON_WIDTH - MARGIN, rect.bottom - BUTTON_HEIGHT, BUTTON_WIDTH, BUTTON_HEIGHT, hWnd, (HMENU)IDC_EDIT_E, hInst, NULL);
CreateWindow(_T("button"), _T("Particles"), WS_CHILD | WS_VISIBLE | BS_AUTORADIOBUTTON | BS_PUSHLIKE, rect.right - BUTTON_WIDTH - MARGIN, MARGIN, BUTTON_WIDTH, BUTTON_HEIGHT, hWnd, (HMENU)IDC_RADIO_1, hInst, NULL);
CreateWindow(_T("button"), _T("Density"), WS_CHILD | WS_VISIBLE | BS_AUTORADIOBUTTON | BS_PUSHLIKE, rect.right - BUTTON_WIDTH - MARGIN, MARGIN + 2 + BUTTON_HEIGHT, BUTTON_WIDTH, BUTTON_HEIGHT, hWnd, (HMENU)IDC_RADIO_2, hInst, NULL);
SendDlgItemMessage(hWnd, IDC_RADIO_1, BM_SETCHECK, TRUE, NULL);
SendDlgItemMessage(hWnd, IDC_EDIT_S, EM_LIMITTEXT, (WPARAM)10, NULL);
SendDlgItemMessage(hWnd, IDC_EDIT_E, EM_LIMITTEXT, (WPARAM)10, NULL);
HDC hdc = GetDC(hWnd);
for (int i = 0; i < LAYERS_COUNT; i++) {
hdcLayers[i] = CreateCompatibleDC(hdc);
hLayersBmp[i] = CreateCompatibleBitmap(hdc, rect.right, rect.bottom);
hLayersBmp[i] = (HBITMAP)SelectObject(hdcLayers[i], hLayersBmp[i]);
}
ReleaseDC(hWnd, hdc);
bInvalidateGraph = TRUE;
SetFocus(hWnd);
return TRUE;
}
void GRAPHWND_OnSize(HWND hWnd, UINT state, int cx, int cy)
{
MoveWindow(GetDlgItem(hWnd, IDC_EDIT_S), MARGIN, cy - BUTTON_HEIGHT, BUTTON_WIDTH, BUTTON_HEIGHT, TRUE);
MoveWindow(GetDlgItem(hWnd, IDC_EDIT_E), cx - BUTTON_WIDTH - MARGIN, cy - BUTTON_HEIGHT, BUTTON_WIDTH, BUTTON_HEIGHT, TRUE);
MoveWindow(GetDlgItem(hWnd, IDC_RADIO_1), cx - BUTTON_WIDTH - MARGIN, MARGIN, BUTTON_WIDTH, BUTTON_HEIGHT, TRUE);
MoveWindow(GetDlgItem(hWnd, IDC_RADIO_2), cx - BUTTON_WIDTH - MARGIN, MARGIN + 2 + BUTTON_HEIGHT, BUTTON_WIDTH, BUTTON_HEIGHT, TRUE);
HDC hdc = GetDC(hWnd);
bInvalidateGraph = TRUE;
for (int i = 0; i < LAYERS_COUNT; i++) {
hLayersBmp[i] = CreateCompatibleBitmap(hdc, cx, cy);
hLayersBmp[i] = (HBITMAP)SelectObject(hdcLayers[i], hLayersBmp[i]);
DeleteObject(hLayersBmp[i]); // Remove old bitmap. Don't need it anymore
}
ReleaseDC(hWnd, hdc);
}
void GRAPHWND_OnPaint(HWND hWnd)
{
PAINTSTRUCT ps;
int dx;
static double timeS, timeE;
static double delta;
RECT rect;
GetClientRect(hWnd, &rect);
if (bInvalidateGraph) {
int state;
state = SendDlgItemMessage(hWnd, IDC_RADIO_1, BM_GETCHECK, NULL, NULL);
timeS = GetDlgItemInt(hWnd, IDC_EDIT_S, NULL, TRUE);
timeE = GetDlgItemInt(hWnd, IDC_EDIT_E, NULL, TRUE);
delta = (timeE - timeS)/rect.right;
for (int i = 0; i < LAYERS_COUNT; i++)
PatBlt(hdcLayers[i], 0, 0, rect.right, rect.bottom, WHITENESS);
DrawGraph(hdcLayers[0], 0, 0, rect.right, rect.bottom - BUTTON_HEIGHT - 1, state, timeS, timeE);
DrawGrid(hdcLayers[0], 0, 0, rect.right, rect.bottom - BUTTON_HEIGHT - 1, timeS, timeE);
//DrawTimeLabels(hdcLayers[0], 0, 0, rect.right, timeS, timeE);
if (GetMenuState(GetMenu(GetParent(hWnd)), IDM_TEMPERATURE, MF_CHECKED))
DrawTemperature(hdcLayers[1], 0, 0, rect.right, rect.bottom - BUTTON_HEIGHT - 1, timeS, timeE);
bInvalidateGraph = FALSE;
} else if (bInvalidateTemperature)
{
PatBlt(hdcLayers[1], 0, 0, rect.right, rect.bottom, WHITENESS);
if (GetMenuState(GetMenu(GetParent(hWnd)), IDM_TEMPERATURE, MF_CHECKED))
DrawTemperature(hdcLayers[1], 0, 0, rect.right, rect.bottom - BUTTON_HEIGHT - 1, timeS, timeE);
bInvalidateTemperature = FALSE;
}
HDC hdc = BeginPaint(hWnd, &ps);
dx = delta > 0 ? (int)((CSnow::current()->getTime() - timeS)/delta) : 0;
BitBlt(hdc, ps.rcPaint.left, ps.rcPaint.top, ps.rcPaint.right, ps.rcPaint.bottom, hdcLayers[0], ps.rcPaint.left, ps.rcPaint.top, SRCCOPY);
BitBlt(hdc, ps.rcPaint.left, ps.rcPaint.top, ps.rcPaint.right, ps.rcPaint.bottom, hdcLayers[1], ps.rcPaint.left, ps.rcPaint.top, SRCAND);
DrawCursor(hdc, rect.left + dx, rect.top, rect.bottom);
DrawCurrentInfo(hdc, rect.left + dx, rect.top, rect.right, rect.bottom - BUTTON_HEIGHT - 1);
EndPaint(hWnd, &ps);
}
void GRAPHWND_OnLButtonDown(HWND hWnd, BOOL fDoubleClick, int x, int y, UINT keyFlags)
{
int timeS, timeE;
double delta;
RECT rect;
GetClientRect(hWnd, &rect);
timeS = GetDlgItemInt(hWnd, IDC_EDIT_S, NULL, TRUE);
timeE = GetDlgItemInt(hWnd, IDC_EDIT_E, NULL, TRUE);
delta = (double)(timeE - timeS)/rect.right;
CSnow::current()->setTime((delta >= 0.5)?((int)(x*delta + timeS)):(x*delta + timeS));
SetFocus(hWnd);
UpdateCurrentTime();
}
void GRAPHWND_OnCommand(HWND hWnd, int id, HWND hwndCtl, UINT codeNotify)
{
switch (id)
{
case IDC_RADIO_1:
case IDC_RADIO_2:
if (codeNotify == BN_CLICKED) {
bInvalidateGraph = TRUE;
UpdateGraph();
UpdateLayersView();
}
break;
case IDC_EDIT_E:
case IDC_EDIT_S:
if (codeNotify == EN_CHANGE) {
bInvalidateGraph = TRUE;
// UpdateGraph();
}
break;
default:
FORWARD_WM_COMMAND(hWnd, id, hwndCtl, codeNotify, DefWindowProc);
}
}
void GRAPHWND_OnKeyDown(HWND hWnd, UINT vk, BOOL fDown, int cRepeat, UINT flags)
{
int timeS, timeE;
double time;
switch(vk)
{
case VK_LEFT:
case VK_RIGHT:
time = CSnow::current()->getTime() + ((vk == VK_LEFT)?(-1):(1));
timeS = GetDlgItemInt(hWnd, IDC_EDIT_S, NULL, TRUE);
timeE = GetDlgItemInt(hWnd, IDC_EDIT_E, NULL, TRUE);
if (time < 0) time = 0;
else if (time < timeS)
{
double d = timeS - time;
SetDlgItemInt(hWnd, IDC_EDIT_S, timeS - d, TRUE);
SetDlgItemInt(hWnd, IDC_EDIT_E, timeE - d, TRUE);
bInvalidateGraph = TRUE;
}
else if (time > timeE)
{
double d = time - timeE;
SetDlgItemInt(hWnd, IDC_EDIT_E, timeE + d, TRUE);
SetDlgItemInt(hWnd, IDC_EDIT_S, timeS + d, TRUE);
bInvalidateGraph = TRUE;
}
CSnow::current()->setTime(time);
UpdateCurrentTime();
break;
}
}
void GRAPHWND_OnDestroy(HWND hWnd)
{
for (int i = 0; i < LAYERS_COUNT; i++) {
DeleteObject(hLayersBmp[i]);
DeleteDC(hdcLayers[i]);
}
PostQuitMessage(0);
}