mirror of
https://github.com/reactos/reactos.git
synced 2024-12-29 10:35:28 +00:00
e579220098
Follow-up to #5994. Reduce the lag and the cost of drawing on large image. - Introduce partial image history on SmoothDrawTool and ShapeTool. - We can draw with pen smoothly even when the image is huge (10000x10000). CORE-19237
127 lines
3.5 KiB
C++
127 lines
3.5 KiB
C++
/*
|
|
* PROJECT: PAINT for ReactOS
|
|
* LICENSE: LGPL-2.0-or-later (https://spdx.org/licenses/LGPL-2.0-or-later)
|
|
* PURPOSE: Window procedure of the main window and all children apart from
|
|
* hPalWin, hToolSettings and hSelection
|
|
* COPYRIGHT: Copyright 2015 Benedikt Freisen <b.freisen@gmx.net>
|
|
* Copyright 2023 Katayama Hirofumi MZ <katayama.hirofumi.mz@gmail.com>
|
|
*/
|
|
|
|
#include "precomp.h"
|
|
|
|
CMiniatureWindow miniature;
|
|
|
|
/* FUNCTIONS ********************************************************/
|
|
|
|
CMiniatureWindow::CMiniatureWindow()
|
|
: m_hbmCached(NULL)
|
|
{
|
|
}
|
|
|
|
CMiniatureWindow::~CMiniatureWindow()
|
|
{
|
|
if (m_hbmCached)
|
|
::DeleteObject(m_hbmCached);
|
|
}
|
|
|
|
HWND CMiniatureWindow::DoCreate(HWND hwndParent)
|
|
{
|
|
if (m_hWnd)
|
|
return m_hWnd;
|
|
|
|
RECT rc =
|
|
{
|
|
(LONG)registrySettings.ThumbXPos, (LONG)registrySettings.ThumbYPos,
|
|
(LONG)(registrySettings.ThumbXPos + registrySettings.ThumbWidth),
|
|
(LONG)(registrySettings.ThumbYPos + registrySettings.ThumbHeight)
|
|
};
|
|
|
|
WCHAR strTitle[100];
|
|
::LoadStringW(g_hinstExe, IDS_MINIATURETITLE, strTitle, _countof(strTitle));
|
|
|
|
DWORD style = WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_THICKFRAME;
|
|
return Create(hwndParent, rc, strTitle, style, WS_EX_PALETTEWINDOW);
|
|
}
|
|
|
|
LRESULT CMiniatureWindow::OnMove(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
|
|
{
|
|
if (IsWindowVisible() && !IsIconic() && !IsZoomed())
|
|
{
|
|
CRect rc;
|
|
GetWindowRect(&rc);
|
|
registrySettings.ThumbXPos = rc.left;
|
|
registrySettings.ThumbYPos = rc.top;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
LRESULT CMiniatureWindow::OnSize(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
|
|
{
|
|
if (IsWindowVisible() && !IsIconic() && !IsZoomed())
|
|
{
|
|
CRect rc;
|
|
GetWindowRect(&rc);
|
|
registrySettings.ThumbWidth = rc.Width();
|
|
registrySettings.ThumbHeight = rc.Height();
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
LRESULT CMiniatureWindow::OnClose(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
|
|
{
|
|
ShowWindow(SW_HIDE);
|
|
registrySettings.ShowThumbnail = FALSE;
|
|
return 0;
|
|
}
|
|
|
|
LRESULT CMiniatureWindow::OnEraseBkgnd(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
|
|
{
|
|
return TRUE; /* Avoid flickering */
|
|
}
|
|
|
|
LRESULT CMiniatureWindow::OnPaint(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
|
|
{
|
|
RECT rc;
|
|
GetClientRect(&rc);
|
|
|
|
// Start painting
|
|
PAINTSTRUCT ps;
|
|
HDC hDC = BeginPaint(&ps);
|
|
if (!hDC)
|
|
return 0;
|
|
|
|
// Use a memory bitmap to reduce flickering
|
|
HDC hdcMem = ::CreateCompatibleDC(hDC);
|
|
m_hbmCached = CachedBufferDIB(m_hbmCached, rc.right, rc.bottom);
|
|
HGDIOBJ hbmOld = ::SelectObject(hdcMem, m_hbmCached);
|
|
|
|
// FIXME: Consider aspect ratio
|
|
|
|
// Fill the background
|
|
::FillRect(hdcMem, &rc, (HBRUSH)(COLOR_BTNFACE + 1));
|
|
|
|
// Draw the image (hdcMem <-- imageModel)
|
|
int cxImage = imageModel.GetWidth();
|
|
int cyImage = imageModel.GetHeight();
|
|
::StretchBlt(hdcMem, 0, 0, rc.right, rc.bottom,
|
|
imageModel.GetDC(), 0, 0, cxImage, cyImage,
|
|
SRCCOPY);
|
|
|
|
// Move the image (hDC <-- hdcMem)
|
|
::BitBlt(hDC, 0, 0, rc.right, rc.bottom, hdcMem, 0, 0, SRCCOPY);
|
|
|
|
// Clean up
|
|
::SelectObject(hdcMem, hbmOld);
|
|
::DeleteDC(hdcMem);
|
|
|
|
EndPaint(&ps);
|
|
return 0;
|
|
}
|
|
|
|
LRESULT CMiniatureWindow::OnGetMinMaxInfo(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
|
|
{
|
|
// Avoid too small
|
|
LPMINMAXINFO pInfo = (LPMINMAXINFO)lParam;
|
|
pInfo->ptMinTrackSize = { 100, 75 };
|
|
return 0;
|
|
}
|