[ros-diffs] [bfreisen] 47062: [PAINT] - angle rounding for lines and polygons when SHIFT key is pressed - equal width and height for (rounded) rectangles and ellipses when SHIFT key is pressed Based on a patch by Katayama Hirofumi, see #5285
bfreisen at svn.reactos.org
bfreisen at svn.reactos.org
Thu Apr 29 21:56:18 CEST 2010
Author: bfreisen
Date: Thu Apr 29 21:56:18 2010
New Revision: 47062
URL: http://svn.reactos.org/svn/reactos?rev=47062&view=rev
Log:
[PAINT]
- angle rounding for lines and polygons when SHIFT key is pressed
- equal width and height for (rounded) rectangles and ellipses when SHIFT key is pressed
Based on a patch by Katayama Hirofumi, see #5285
Modified:
trunk/reactos/base/applications/paint/main.c
trunk/reactos/base/applications/paint/mouse.c
Modified: trunk/reactos/base/applications/paint/main.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/base/applications/paint/main.c?rev=47062&r1=47061&r2=47062&view=diff
==============================================================================
--- trunk/reactos/base/applications/paint/main.c [iso-8859-1] (original)
+++ trunk/reactos/base/applications/paint/main.c [iso-8859-1] Thu Apr 29 21:56:18 2010
@@ -143,6 +143,7 @@
HBITMAP tempBm;
int i;
TCHAR tooltips[16][30];
+ HDC hDC;
TCHAR *c;
TCHAR sfnFilename[1000];
@@ -152,7 +153,7 @@
TCHAR ofnFiletitle[256];
TCHAR ofnFilter[1000];
TCHAR miniaturetitle[100];
- int custColors[16] = { 0xffffff, 0xffffff, 0xffffff, 0xffffff, 0xffffff, 0xffffff, 0xffffff, 0xffffff,
+ static int custColors[16] = { 0xffffff, 0xffffff, 0xffffff, 0xffffff, 0xffffff, 0xffffff, 0xffffff, 0xffffff,
0xffffff, 0xffffff, 0xffffff, 0xffffff, 0xffffff, 0xffffff, 0xffffff, 0xffffff
};
@@ -371,8 +372,10 @@
CreateWindowEx(0, _T("Scrollbox"), _T(""), WS_CHILD | WS_VISIBLE, 3, 3, imgXRes, imgYRes, hScrlClient,
NULL, hThisInstance, NULL);
- hDrawingDC = CreateCompatibleDC(GetDC(hImageArea));
- hSelDC = CreateCompatibleDC(GetDC(hImageArea));
+ hDC = GetDC(hImageArea);
+ hDrawingDC = CreateCompatibleDC(hDC);
+ hSelDC = CreateCompatibleDC(hDC);
+ ReleaseDC(hImageArea, hDC);
SelectObject(hDrawingDC, CreatePen(PS_SOLID, 0, fgColor));
SelectObject(hDrawingDC, CreateSolidBrush(bgColor));
Modified: trunk/reactos/base/applications/paint/mouse.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/base/applications/paint/mouse.c?rev=47062&r1=47061&r2=47062&view=diff
==============================================================================
--- trunk/reactos/base/applications/paint/mouse.c [iso-8859-1] (original)
+++ trunk/reactos/base/applications/paint/mouse.c [iso-8859-1] Thu Apr 29 21:56:18 2010
@@ -23,6 +23,34 @@
BringWindowToTop(hSelection);
SendMessage(hImageArea, WM_PAINT, 0, 0);
//SendMessage(hSelection, WM_PAINT, 0, 0);
+}
+
+void
+regularize(short x0, short y0, short *x1, short *y1)
+{
+ if (abs(*x1 - x0) >= abs(*y1 - y0))
+ *y1 = y0 + (*y1 > y0 ? abs(*x1 - x0) : -abs(*x1 - x0));
+ else
+ *x1 = x0 + (*x1 > x0 ? abs(*y1 - y0) : -abs(*y1 - y0));
+}
+
+void
+roundTo8Directions(short x0, short y0, short *x1, short *y1)
+{
+ if (abs(*x1 - x0) >= abs(*y1 - y0))
+ {
+ if (abs(*y1 - y0) * 5 < abs(*x1 - x0) * 2)
+ *y1 = y0;
+ else
+ *y1 = y0 + (*y1 > y0 ? abs(*x1 - x0) : -abs(*x1 - x0));
+ }
+ else
+ {
+ if (abs(*x1 - x0) * 5 < abs(*y1 - y0) * 2)
+ *x1 = x0;
+ else
+ *x1 = x0 + (*x1 > x0 ? abs(*y1 - y0) : -abs(*y1 - y0));
+ }
}
POINT pointStack[256];
@@ -147,6 +175,8 @@
break;
case 11:
resetToU1();
+ if (GetAsyncKeyState(VK_SHIFT) < 0)
+ roundTo8Directions(startX, startY, &x, &y);
Line(hdc, startX, startY, x, y, fg, lineWidth);
break;
case 12:
@@ -169,21 +199,30 @@
break;
case 13:
resetToU1();
+ if (GetAsyncKeyState(VK_SHIFT) < 0)
+ regularize(startX, startY, &x, &y);
Rect(hdc, startX, startY, x, y, fg, bg, lineWidth, shapeStyle);
break;
case 14:
resetToU1();
pointStack[pointSP].x = x;
pointStack[pointSP].y = y;
+ if ((pointSP > 0) && (GetAsyncKeyState(VK_SHIFT) < 0))
+ roundTo8Directions(pointStack[pointSP - 1].x, pointStack[pointSP - 1].y,
+ (short *)&pointStack[pointSP].x, (short *)&pointStack[pointSP].y);
if (pointSP + 1 >= 2)
Poly(hdc, pointStack, pointSP + 1, fg, bg, lineWidth, shapeStyle, FALSE);
break;
case 15:
resetToU1();
+ if (GetAsyncKeyState(VK_SHIFT) < 0)
+ regularize(startX, startY, &x, &y);
Ellp(hdc, startX, startY, x, y, fg, bg, lineWidth, shapeStyle);
break;
case 16:
resetToU1();
+ if (GetAsyncKeyState(VK_SHIFT) < 0)
+ regularize(startX, startY, &x, &y);
RRect(hdc, startX, startY, x, y, fg, bg, lineWidth, shapeStyle);
break;
}
@@ -276,6 +315,8 @@
break;
case 11:
resetToU1();
+ if (GetAsyncKeyState(VK_SHIFT) < 0)
+ roundTo8Directions(startX, startY, &x, &y);
Line(hdc, startX, startY, x, y, fg, lineWidth);
break;
case 12:
@@ -285,12 +326,17 @@
break;
case 13:
resetToU1();
+ if (GetAsyncKeyState(VK_SHIFT) < 0)
+ regularize(startX, startY, &x, &y);
Rect(hdc, startX, startY, x, y, fg, bg, lineWidth, shapeStyle);
break;
case 14:
resetToU1();
pointStack[pointSP].x = x;
pointStack[pointSP].y = y;
+ if ((pointSP > 0) && (GetAsyncKeyState(VK_SHIFT) < 0))
+ roundTo8Directions(pointStack[pointSP - 1].x, pointStack[pointSP - 1].y,
+ (short *)&pointStack[pointSP].x, (short *)&pointStack[pointSP].y);
pointSP++;
if (pointSP >= 2)
{
@@ -310,10 +356,14 @@
break;
case 15:
resetToU1();
+ if (GetAsyncKeyState(VK_SHIFT) < 0)
+ regularize(startX, startY, &x, &y);
Ellp(hdc, startX, startY, x, y, fg, bg, lineWidth, shapeStyle);
break;
case 16:
resetToU1();
+ if (GetAsyncKeyState(VK_SHIFT) < 0)
+ regularize(startX, startY, &x, &y);
RRect(hdc, startX, startY, x, y, fg, bg, lineWidth, shapeStyle);
break;
}
@@ -398,6 +448,8 @@
break;
case 11:
resetToU1();
+ if (GetAsyncKeyState(VK_SHIFT) < 0)
+ roundTo8Directions(startX, startY, &x, &y);
Line(hdc, startX, startY, x, y, bg, lineWidth);
break;
case 12:
@@ -420,21 +472,30 @@
break;
case 13:
resetToU1();
+ if (GetAsyncKeyState(VK_SHIFT) < 0)
+ regularize(startX, startY, &x, &y);
Rect(hdc, startX, startY, x, y, bg, fg, lineWidth, shapeStyle);
break;
case 14:
resetToU1();
pointStack[pointSP].x = x;
pointStack[pointSP].y = y;
+ if ((pointSP > 0) && (GetAsyncKeyState(VK_SHIFT) < 0))
+ roundTo8Directions(pointStack[pointSP - 1].x, pointStack[pointSP - 1].y,
+ (short *)&pointStack[pointSP].x, (short *)&pointStack[pointSP].y);
if (pointSP + 1 >= 2)
Poly(hdc, pointStack, pointSP + 1, bg, fg, lineWidth, shapeStyle, FALSE);
break;
case 15:
resetToU1();
+ if (GetAsyncKeyState(VK_SHIFT) < 0)
+ regularize(startX, startY, &x, &y);
Ellp(hdc, startX, startY, x, y, bg, fg, lineWidth, shapeStyle);
break;
case 16:
resetToU1();
+ if (GetAsyncKeyState(VK_SHIFT) < 0)
+ regularize(startX, startY, &x, &y);
RRect(hdc, startX, startY, x, y, bg, fg, lineWidth, shapeStyle);
break;
}
@@ -457,6 +518,8 @@
break;
case 11:
resetToU1();
+ if (GetAsyncKeyState(VK_SHIFT) < 0)
+ roundTo8Directions(startX, startY, &x, &y);
Line(hdc, startX, startY, x, y, bg, lineWidth);
break;
case 12:
@@ -466,12 +529,17 @@
break;
case 13:
resetToU1();
+ if (GetAsyncKeyState(VK_SHIFT) < 0)
+ regularize(startX, startY, &x, &y);
Rect(hdc, startX, startY, x, y, bg, fg, lineWidth, shapeStyle);
break;
case 14:
resetToU1();
pointStack[pointSP].x = x;
pointStack[pointSP].y = y;
+ if ((pointSP > 0) && (GetAsyncKeyState(VK_SHIFT) < 0))
+ roundTo8Directions(pointStack[pointSP - 1].x, pointStack[pointSP - 1].y,
+ (short *)&pointStack[pointSP].x, (short *)&pointStack[pointSP].y);
pointSP++;
if (pointSP >= 2)
{
@@ -491,10 +559,14 @@
break;
case 15:
resetToU1();
+ if (GetAsyncKeyState(VK_SHIFT) < 0)
+ regularize(startX, startY, &x, &y);
Ellp(hdc, startX, startY, x, y, bg, fg, lineWidth, shapeStyle);
break;
case 16:
resetToU1();
+ if (GetAsyncKeyState(VK_SHIFT) < 0)
+ regularize(startX, startY, &x, &y);
RRect(hdc, startX, startY, x, y, bg, fg, lineWidth, shapeStyle);
break;
}
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