From 4d4724a29932be65f8fec67886f75b2b2e3e0439 Mon Sep 17 00:00:00 2001
From: Katayama Hirofumi MZ <katayama.hirofumi.mz@gmail.com>
Date: Sat, 25 Oct 2008 11:06:26 +0900
Subject: [PATCH] [12/19] paint: Add [Stretch and Skew] dialog

---
 programs/paint/bitmap.c     |   41 +++++++++++++++++++++++++++
 programs/paint/canvas.c     |   30 ++++++++++++++++++++
 programs/paint/hslant.ico   |  Bin 0 -> 766 bytes
 programs/paint/hstretch.ico |  Bin 0 -> 766 bytes
 programs/paint/main.h       |    2 +
 programs/paint/paint.c      |   65 ++++++++++++++++++++++++++++++++++++++++++-
 programs/paint/rsrc.rc      |    8 +++++
 programs/paint/vslant.ico   |  Bin 0 -> 766 bytes
 programs/paint/vstretch.ico |  Bin 0 -> 766 bytes
 9 files changed, 145 insertions(+), 1 deletions(-)
 create mode 100644 programs/paint/hslant.ico
 create mode 100644 programs/paint/hstretch.ico
 create mode 100644 programs/paint/vslant.ico
 create mode 100644 programs/paint/vstretch.ico

diff --git a/programs/paint/bitmap.c b/programs/paint/bitmap.c
index bce020e..a276195 100644
--- a/programs/paint/bitmap.c
+++ b/programs/paint/bitmap.c
@@ -83,6 +83,47 @@ HBITMAP BM_CreateResized(HWND hWnd, SIZE sizNew, HBITMAP hbm, SIZE siz)
     return hbmNew;
 }
 
+HBITMAP BM_CreateStretched(HWND hWnd, SIZE sizNew, HBITMAP hbm, SIZE siz)
+{
+    DWORD dwError;
+    HDC hDC, hdcMem1, hdcMem2;
+    HBITMAP hbmNew, hbmOld1, hbmOld2;
+
+    hbmNew = BM_Create(sizNew);
+    if (hbmNew != NULL)
+    {
+        dwError = 0;
+        hDC = GetDC(hWnd);
+        hdcMem1 = CreateCompatibleDC(hDC);
+        if (hdcMem1 != NULL)
+        {
+            hbmOld1 = SelectObject(hdcMem1, hbmNew);
+
+            hdcMem2 = CreateCompatibleDC(hDC);
+            if (hdcMem2 != NULL)
+            {
+                hbmOld2 = SelectObject(hdcMem2, hbm);
+                SetStretchBltMode(hdcMem1, COLORONCOLOR);
+                StretchBlt(hdcMem1, 0, 0, sizNew.cx, sizNew.cy,
+                           hdcMem2, 0, 0, siz.cx, siz.cy, SRCCOPY);
+                SelectObject(hdcMem2, hbmOld2);
+                DeleteDC(hdcMem2);
+            }
+            else
+                dwError = GetLastError();
+            SelectObject(hdcMem1, hbmOld1);
+
+            DeleteDC(hdcMem1);
+        }
+        else
+            dwError = GetLastError();
+        ReleaseDC(hWnd, hDC);
+        SetLastError(dwError);
+    }
+
+    return hbmNew;
+}
+
 HBITMAP BM_Copy(HBITMAP hbm)
 {
     return (HBITMAP)CopyImage(hbm, IMAGE_BITMAP, 0, 0, LR_COPYRETURNORG);
diff --git a/programs/paint/canvas.c b/programs/paint/canvas.c
index c6aaade..8ac3b2c 100644
--- a/programs/paint/canvas.c
+++ b/programs/paint/canvas.c
@@ -831,6 +831,7 @@ VOID Canvas_OnButtonDown(HWND hWnd, INT x, INT y, BOOL fRight)
             CanvasToImage(&pt);
             Globals.pt0 = Globals.pt1 = pt;
             break;
+
         default:
             break;
         }
@@ -1368,6 +1369,35 @@ VOID Canvas_Resize(HWND hWnd, SIZE sizNew)
         ShowLastError();
 }
 
+VOID Canvas_Stretch(HWND hWnd, SIZE sizNew)
+{
+    HBITMAP hbmNew = BM_CreateStretched(hWnd, sizNew,
+                                         Globals.hbmImage, Globals.sizImage);
+    if (hbmNew != NULL)
+    {
+        if (Globals.hbmImage != NULL)
+            DeleteObject(Globals.hbmImage);
+        Globals.hbmImage = hbmNew;
+        Globals.sizImage = sizNew;
+
+        if (Globals.hbmBuffer != NULL)
+            DeleteObject(Globals.hbmBuffer);
+        Globals.hbmBuffer = BM_Copy(Globals.hbmImage);
+        if (Globals.hbmZoomBuffer != NULL)
+            DeleteObject(Globals.hbmZoomBuffer);
+        sizNew.cx *= Globals.nZoom;
+        sizNew.cy *= Globals.nZoom;
+        Globals.hbmZoomBuffer = BM_Create(sizNew);
+        Globals.fModified = TRUE;
+        Globals.xScrollPos = Globals.yScrollPos = 0;
+        PostMessage(hWnd, WM_SIZE, 0, 0);
+        InvalidateRect(hWnd, NULL, TRUE);
+        UpdateWindow(hWnd);
+    }
+    else
+        ShowLastError();
+}
+
 VOID Canvas_OnButtonDblClk(HWND hWnd, INT x, INT y, BOOL fRight)
 {
     HDC hDC, hMemDC;
diff --git a/programs/paint/hslant.ico b/programs/paint/hslant.ico
new file mode 100644
index 0000000000000000000000000000000000000000..0b191ecc29417afebe1100a8162d575bf6f92af0
GIT binary patch
literal 766
zcmdr~yAHxI47>tT)d?n6I`S9cle)pyjEt=P8uBTOjEoGW=A6U`RSfOQrS|!8wp1lR
z!Bf{8`W5aAU<+VRt7!+C))k(;-|%d*<9#A}hBS{50vi%Ph-gIP(UQ8EIGq!Go-4UT
z@w7c{Ohx`oa7<|IH|KDb#21_CQjiIi<yp{ukaXidOmF+f`>j5O^KJ1Vv^2+S+eyG$
jZYbq}CGWM6o=;_%Ah2DLuP+hT%i#K!^G;cF(fSwO+5YYf

literal 0
HcmV?d00001

diff --git a/programs/paint/hstretch.ico b/programs/paint/hstretch.ico
new file mode 100644
index 0000000000000000000000000000000000000000..62e2810aaddbb97bb49fc9a842e84a6cfcfcc418
GIT binary patch
literal 766
zcmd^6F%rTs3{yFlZcNM>`9=C9Hb%0wTf6o(<T*SdVC1CkwLJ#7V?&88Th@6<fQrYt
z1M?pD9dHD2VmL;_P(6dQ_Xq$lLMX({5-~=y4kTZQXvN@BNz<2TFDsmTE?MC3`)-Z!
z$@A95G?;fR#YCvBpA6%S;@i$)e%rU*Z@RMm-BSBSZF}YR5b;T#K3x;wm9@`0O)uu)
BS-$`P

literal 0
HcmV?d00001

diff --git a/programs/paint/main.h b/programs/paint/main.h
index ea128e0..8ec22de 100644
--- a/programs/paint/main.h
+++ b/programs/paint/main.h
@@ -145,8 +145,10 @@ VOID NotSupportedYet(VOID);
 LRESULT CALLBACK CanvasWndProc(HWND hWnd, UINT uMsg,
                                WPARAM wParam, LPARAM lParam);
 VOID Canvas_Resize(HWND hWnd, SIZE sizNew);
+VOID Canvas_Stretch(HWND hWnd, SIZE sizNew);
 
 /* bitmap.c */
 HBITMAP BM_Create(SIZE siz);
 HBITMAP BM_CreateResized(HWND hWnd, SIZE sizNew, HBITMAP hbm, SIZE siz);
+HBITMAP BM_CreateStretched(HWND hWnd, SIZE sizNew, HBITMAP hbm, SIZE siz);
 HBITMAP BM_Copy(HBITMAP hbm);
diff --git a/programs/paint/paint.c b/programs/paint/paint.c
index 4caa0a2..b3e6cd2 100644
--- a/programs/paint/paint.c
+++ b/programs/paint/paint.c
@@ -569,9 +569,72 @@ VOID PAINT_ZoomCustom(VOID)
     }
 }
 
+BOOL CALLBACK
+StretchSkewDlgProc(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
+{
+    INT cxPercent, cyPercent;
+    BOOL fTranslated;
+    SIZE sizNew;
+    static const WCHAR sz100[] = {'1','0','0',0};
+    switch (uMsg)
+    {
+    case WM_INITDIALOG:
+        SetDlgItemText(hDlg, edt1, sz100);
+        SetDlgItemText(hDlg, edt2, sz100);
+        return TRUE;
+
+    case WM_COMMAND:
+        switch (LOWORD(wParam))
+        {
+        case IDOK:
+            cxPercent = GetDlgItemInt(hDlg, edt1, &fTranslated, FALSE);
+            if (!fTranslated || cxPercent <= 0)
+            {
+                WCHAR sz[MAX_STRING_LEN];
+                LoadString(Globals.hInstance, STRING_POSITIVE_INT, sz,
+                           MAX_STRING_LEN);
+                MessageBeep(MB_ICONERROR);
+                MessageBox(hDlg, sz, NULL, MB_OK|MB_ICONERROR);
+                SendDlgItemMessage(hDlg, edt1, EM_SETSEL, 0, -1);
+                SetFocus(GetDlgItem(hDlg, edt1));
+                break;
+            }
+            cyPercent = GetDlgItemInt(hDlg, edt2, &fTranslated, FALSE);
+            if (!fTranslated || cyPercent <= 0)
+            {
+                WCHAR sz[MAX_STRING_LEN];
+                LoadString(Globals.hInstance, STRING_POSITIVE_INT, sz,
+                           MAX_STRING_LEN);
+                MessageBeep(MB_ICONERROR);
+                MessageBox(hDlg, sz, NULL, MB_OK|MB_ICONERROR);
+                SendDlgItemMessage(hDlg, edt2, EM_SETSEL, 0, -1);
+                SetFocus(GetDlgItem(hDlg, edt2));
+                break;
+            }
+            sizNew.cx = MulDiv(Globals.sizImage.cx, cxPercent, 100);
+            sizNew.cy = MulDiv(Globals.sizImage.cy, cyPercent, 100);
+            Canvas_Stretch(Globals.hCanvasWnd, sizNew);
+
+            EndDialog(hDlg, IDOK);
+            break;
+
+        case IDCANCEL:
+            EndDialog(hDlg, IDCANCEL);
+            break;
+        }
+        break;
+    }
+    return FALSE;
+}
+
 VOID PAINT_StretchSkew(VOID)
 {
-    NotSupportedYet();
+    if (DialogBox(Globals.hInstance, MAKEINTRESOURCE(IDD_STRETCH_SKEW),
+                  Globals.hMainWnd, StretchSkewDlgProc) == IDOK)
+    {
+        InvalidateRect(Globals.hCanvasWnd, NULL, TRUE);
+        UpdateWindow(Globals.hCanvasWnd);
+    }
 }
 
 VOID PAINT_Attributes(VOID)
diff --git a/programs/paint/rsrc.rc b/programs/paint/rsrc.rc
index a36b663..e549318 100644
--- a/programs/paint/rsrc.rc
+++ b/programs/paint/rsrc.rc
@@ -58,6 +58,14 @@ ID_ACCEL ACCELERATORS
 
 /* @makedep: paint.ico */
 IDI_PAINT ICON "paint.ico"
+/* @makedep: hstretch.ico */
+100 ICON "hstretch.ico"
+/* @makedep: vstretch.ico */
+101 ICON "vstretch.ico"
+/* @makedep: hslant.ico */
+102 ICON "hslant.ico"
+/* @makedep: vslant.ico */
+103 ICON "vslant.ico"
 
 /* @makedep: tools.bmp */
 IDB_TOOLS BITMAP "tools.bmp"
diff --git a/programs/paint/vslant.ico b/programs/paint/vslant.ico
new file mode 100644
index 0000000000000000000000000000000000000000..fc380b7d340648847f79f4a8de8804c59fc094ab
GIT binary patch
literal 766
zcmc(cF;c`Z3`MoTjAyG*ZJU%Ffr7ytiIOfp0<CY8qfk;(njsVMq$JBa%gmN5=iB<y
zw`4maJ4V;tGvCSQjmSYn9zX|PfW^%cx&JMZB$Lv-Fyn$G!!VFg|3uY1z_5@_XBIY*
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sG=RS4R{OG>Vv(^e^41iI{UwZOCZLA&*y!-o>c?}`FSs=r!2~qwFS+5~Q~&?~

literal 0
HcmV?d00001

diff --git a/programs/paint/vstretch.ico b/programs/paint/vstretch.ico
new file mode 100644
index 0000000000000000000000000000000000000000..e08e0b6f233d5126be3f46d87fa3ecaa5ac3266d
GIT binary patch
literal 766
zcmdT>F%AMT4D%r*?lvaojy!{3u~uSXyfwe+##h)F8H?TOhD65zV!^G`I%!%Z1qP0k
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G>N_vDky)ew

literal 0
HcmV?d00001

-- 
1.6.0.2