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reactos/base/applications/mspaint/toolsettings.cpp
Stanislav Motylkov 955048e50a [MSPAINT] Fix crash on zoom out 
- Check the denominator for zero for both zoomed width and height.
- Do not allow to move zoom slider above possible position.
- Move commonly used `zoomTo` function into new header file.

CORE-14539
2018-04-23 20:11:43 +02:00

266 lines
9.8 KiB
C++
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/*
* PROJECT: PAINT for ReactOS
* LICENSE: LGPL
* FILE: base/applications/mspaint/toolsettings.cpp
* PURPOSE: Window procedure of the tool settings window
* PROGRAMMERS: Benedikt Freisen
* Stanislav Motylkov
*/
/* INCLUDES *********************************************************/
#include "precomp.h"
/* FUNCTIONS ********************************************************/
LRESULT CToolSettingsWindow::OnCreate(UINT nMsg, WPARAM wParam, LPARAM lParam, WINBOOL& bHandled)
{
RECT trackbarZoomPos = {1, 1, 1 + 40, 1 + 64};
trackbarZoom.Create(TRACKBAR_CLASS, m_hWnd, trackbarZoomPos, NULL, WS_CHILD | TBS_VERT | TBS_AUTOTICKS);
trackbarZoom.SendMessage(TBM_SETRANGE, (WPARAM) TRUE, MAKELPARAM(0, 6));
trackbarZoom.SendMessage(TBM_SETPOS, (WPARAM) TRUE, (LPARAM) 3);
return 0;
}
LRESULT CToolSettingsWindow::OnVScroll(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
if (!zoomTo(125 << trackbarZoom.SendMessage(TBM_GETPOS, 0, 0), 0, 0))
{
OnToolsModelZoomChanged(nMsg, wParam, lParam, bHandled);
}
return 0;
}
LRESULT CToolSettingsWindow::OnPaint(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
HDC hdc = GetDC();
RECT rect1 = { 0, 0, 42, 66 };
RECT rect2 = { 0, 70, 42, 136 };
DefWindowProc(WM_PAINT, wParam, lParam);
DrawEdge(hdc, &rect1, BDR_SUNKENOUTER, (toolsModel.GetActiveTool() == TOOL_ZOOM) ? BF_RECT : BF_RECT | BF_MIDDLE);
DrawEdge(hdc, &rect2, (toolsModel.GetActiveTool() >= TOOL_RECT) ? BDR_SUNKENOUTER : 0, BF_RECT | BF_MIDDLE);
switch (toolsModel.GetActiveTool())
{
case TOOL_FREESEL:
case TOOL_RECTSEL:
case TOOL_TEXT:
{
HPEN oldPen = (HPEN) SelectObject(hdc, CreatePen(PS_NULL, 0, 0));
SelectObject(hdc, GetSysColorBrush(COLOR_HIGHLIGHT));
Rectangle(hdc, 2, toolsModel.IsBackgroundTransparent() * 31 + 2, 41, toolsModel.IsBackgroundTransparent() * 31 + 33);
DeleteObject(SelectObject(hdc, oldPen));
DrawIconEx(hdc, 1, 2, hNontranspIcon, 40, 30, 0, NULL, DI_NORMAL);
DrawIconEx(hdc, 1, 33, hTranspIcon, 40, 30, 0, NULL, DI_NORMAL);
break;
}
case TOOL_RUBBER:
{
int i;
HPEN oldPen = (HPEN) SelectObject(hdc, CreatePen(PS_NULL, 0, 0));
for(i = 0; i < 4; i++)
{
if (toolsModel.GetRubberRadius() == i + 2)
{
SelectObject(hdc, GetSysColorBrush(COLOR_HIGHLIGHT));
Rectangle(hdc, 14, i * 15 + 2, 29, i * 15 + 17);
SelectObject(hdc, GetSysColorBrush(COLOR_HIGHLIGHTTEXT));
}
else
SelectObject(hdc, GetSysColorBrush(COLOR_WINDOWTEXT));
Rectangle(hdc, 19 - i, i * 14 + 7, 24 + i, i * 16 + 12);
}
DeleteObject(SelectObject(hdc, oldPen));
break;
}
case TOOL_BRUSH:
{
int i;
HPEN oldPen = (HPEN) SelectObject(hdc, CreatePen(PS_NULL, 0, 0));
SelectObject(hdc, GetSysColorBrush(COLOR_HIGHLIGHT));
Rectangle(hdc, toolsModel.GetBrushStyle() % 3 * 13 + 2, toolsModel.GetBrushStyle() / 3 * 15 + 2, toolsModel.GetBrushStyle() % 3 * 13 + 15,
toolsModel.GetBrushStyle() / 3 * 15 + 17);
DeleteObject(SelectObject(hdc, oldPen));
for(i = 0; i < 12; i++)
Brush(hdc, i % 3 * 13 + 7, i / 3 * 15 + 8, i % 3 * 13 + 7, i / 3 * 15 + 8,
GetSysColor((i == toolsModel.GetBrushStyle()) ? COLOR_HIGHLIGHTTEXT : COLOR_WINDOWTEXT), i);
break;
}
case TOOL_AIRBRUSH:
{
HPEN oldPen = (HPEN) SelectObject(hdc, CreatePen(PS_NULL, 0, 0));
SelectObject(hdc, GetSysColorBrush(COLOR_HIGHLIGHT));
switch (toolsModel.GetAirBrushWidth())
{
case 5:
Rectangle(hdc, 2, 2, 21, 31);
break;
case 8:
Rectangle(hdc, 20, 2, 41, 31);
break;
case 3:
Rectangle(hdc, 2, 30, 16, 61);
break;
case 12:
Rectangle(hdc, 15, 30, 41, 61);
break;
}
Airbrush(hdc, 10, 15,
GetSysColor((toolsModel.GetAirBrushWidth() == 5) ? COLOR_HIGHLIGHTTEXT : COLOR_WINDOWTEXT), 5);
Airbrush(hdc, 30, 15,
GetSysColor((toolsModel.GetAirBrushWidth() == 8) ? COLOR_HIGHLIGHTTEXT : COLOR_WINDOWTEXT), 8);
Airbrush(hdc, 8, 45,
GetSysColor((toolsModel.GetAirBrushWidth() == 3) ? COLOR_HIGHLIGHTTEXT : COLOR_WINDOWTEXT), 3);
Airbrush(hdc, 27, 45,
GetSysColor((toolsModel.GetAirBrushWidth() == 12) ? COLOR_HIGHLIGHTTEXT : COLOR_WINDOWTEXT), 12);
DeleteObject(SelectObject(hdc, oldPen));
break;
}
case TOOL_LINE:
case TOOL_BEZIER:
{
int i;
HPEN oldPen = (HPEN) SelectObject(hdc, CreatePen(PS_NULL, 0, 0));
for(i = 0; i < 5; i++)
{
if (toolsModel.GetLineWidth() == i + 1)
{
SelectObject(hdc, GetSysColorBrush(COLOR_HIGHLIGHT));
Rectangle(hdc, 2, i * 12 + 2, 41, i * 12 + 14);
SelectObject(hdc, GetSysColorBrush(COLOR_HIGHLIGHTTEXT));
}
else
SelectObject(hdc, GetSysColorBrush(COLOR_WINDOWTEXT));
Rectangle(hdc, 5, i * 12 + 6, 38, i * 12 + 8 + i);
}
DeleteObject(SelectObject(hdc, oldPen));
break;
}
case TOOL_RECT:
case TOOL_SHAPE:
case TOOL_ELLIPSE:
case TOOL_RRECT:
{
int i;
HPEN oldPen = (HPEN) SelectObject(hdc, CreatePen(PS_NULL, 0, 0));
for(i = 0; i < 3; i++)
{
if (toolsModel.GetShapeStyle() == i)
{
SelectObject(hdc, GetSysColorBrush(COLOR_HIGHLIGHT));
Rectangle(hdc, 2, i * 20 + 2, 41, i * 20 + 22);
}
}
Rect(hdc, 5, 6, 37, 16,
GetSysColor((toolsModel.GetShapeStyle() == 0) ? COLOR_HIGHLIGHTTEXT : COLOR_WINDOWTEXT),
GetSysColor(COLOR_APPWORKSPACE), 1, 0);
Rect(hdc, 5, 26, 37, 36,
GetSysColor((toolsModel.GetShapeStyle() == 1) ? COLOR_HIGHLIGHTTEXT : COLOR_WINDOWTEXT),
GetSysColor(COLOR_APPWORKSPACE), 1, 1);
Rect(hdc, 5, 46, 37, 56, GetSysColor(COLOR_APPWORKSPACE), GetSysColor(COLOR_APPWORKSPACE),
1, 1);
for(i = 0; i < 5; i++)
{
if (toolsModel.GetLineWidth() == i + 1)
{
SelectObject(hdc, GetSysColorBrush(COLOR_HIGHLIGHT));
Rectangle(hdc, 2, i * 12 + 72, 41, i * 12 + 84);
SelectObject(hdc, GetSysColorBrush(COLOR_HIGHLIGHTTEXT));
}
else
SelectObject(hdc, GetSysColorBrush(COLOR_WINDOWTEXT));
Rectangle(hdc, 5, i * 12 + 76, 38, i * 12 + 78 + i);
}
DeleteObject(SelectObject(hdc, oldPen));
break;
}
}
ReleaseDC(hdc);
return 0;
}
LRESULT CToolSettingsWindow::OnLButtonDown(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
int x = GET_X_LPARAM(lParam);
int y = GET_Y_LPARAM(lParam);
switch (toolsModel.GetActiveTool())
{
case TOOL_FREESEL:
case TOOL_RECTSEL:
case TOOL_TEXT:
if ((y > 1) && (y < 64))
toolsModel.SetBackgroundTransparent((y - 2) / 31);
break;
case TOOL_RUBBER:
if ((y > 1) && (y < 62))
toolsModel.SetRubberRadius((y - 2) / 15 + 2);
break;
case TOOL_BRUSH:
if ((x > 1) && (x < 40) && (y > 1) && (y < 62))
toolsModel.SetBrushStyle((y - 2) / 15 * 3 + (x - 2) / 13);
break;
case TOOL_AIRBRUSH:
if (y < 62)
{
if (y < 30)
{
if (x < 20)
toolsModel.SetAirBrushWidth(5);
else
toolsModel.SetAirBrushWidth(8);
}
else
{
if (x < 15)
toolsModel.SetAirBrushWidth(3);
else
toolsModel.SetAirBrushWidth(12);
}
}
break;
case TOOL_LINE:
case TOOL_BEZIER:
if (y <= 62)
toolsModel.SetLineWidth((y - 2) / 12 + 1);
break;
case TOOL_RECT:
case TOOL_SHAPE:
case TOOL_ELLIPSE:
case TOOL_RRECT:
if (y <= 60)
toolsModel.SetShapeStyle((y - 2) / 20);
if ((y >= 70) && (y <= 132))
toolsModel.SetLineWidth((y - 72) / 12 + 1);
break;
}
return 0;
}
LRESULT CToolSettingsWindow::OnToolsModelToolChanged(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
Invalidate();
trackbarZoom.ShowWindow((wParam == TOOL_ZOOM) ? SW_SHOW : SW_HIDE);
return 0;
}
LRESULT CToolSettingsWindow::OnToolsModelSettingsChanged(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
Invalidate();
return 0;
}
LRESULT CToolSettingsWindow::OnToolsModelZoomChanged(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
int tbPos = 0;
int tempZoom = toolsModel.GetZoom();
while (tempZoom > 125)
{
tbPos++;
tempZoom = tempZoom >> 1;
}
trackbarZoom.SendMessage(TBM_SETPOS, (WPARAM) TRUE, (LPARAM) tbPos);
return 0;
}
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