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reactos/base/applications/paint/drawing.c
Timo Kreuzer 6afbc8f483 Hopefully create a branch and not destroy the svn repository. 
svn path=/branches/reactos-yarotows/; revision=45219
2010-01-23 23:25:04 +00:00

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/*
* PROJECT: PAINT for ReactOS
* LICENSE: LGPL
* FILE: base/applications/paint/drawing.c
* PURPOSE: The drawing functions used by the tools
* PROGRAMMERS: Benedikt Freisen
*/
/* INCLUDES *********************************************************/
#include <windows.h>
/* FUNCTIONS ********************************************************/
void
Line(HDC hdc, short x1, short y1, short x2, short y2, int color, int thickness)
{
HPEN oldPen = SelectObject(hdc, CreatePen(PS_SOLID, thickness, color));
MoveToEx(hdc, x1, y1, NULL);
LineTo(hdc, x2, y2);
DeleteObject(SelectObject(hdc, oldPen));
}
void
Rect(HDC hdc, short x1, short y1, short x2, short y2, int fg, int bg, int thickness, int style)
{
HBRUSH oldBrush;
LOGBRUSH logbrush;
HPEN oldPen = SelectObject(hdc, CreatePen(PS_SOLID, thickness, fg));
logbrush.lbStyle = (style == 0) ? BS_HOLLOW : BS_SOLID;
logbrush.lbColor = (style == 2) ? fg : bg;
logbrush.lbHatch = 0;
oldBrush = SelectObject(hdc, CreateBrushIndirect(&logbrush));
Rectangle(hdc, x1, y1, x2, y2);
DeleteObject(SelectObject(hdc, oldBrush));
DeleteObject(SelectObject(hdc, oldPen));
}
void
Ellp(HDC hdc, short x1, short y1, short x2, short y2, int fg, int bg, int thickness, int style)
{
HBRUSH oldBrush;
LOGBRUSH logbrush;
HPEN oldPen = SelectObject(hdc, CreatePen(PS_SOLID, thickness, fg));
logbrush.lbStyle = (style == 0) ? BS_HOLLOW : BS_SOLID;
logbrush.lbColor = (style == 2) ? fg : bg;
logbrush.lbHatch = 0;
oldBrush = SelectObject(hdc, CreateBrushIndirect(&logbrush));
Ellipse(hdc, x1, y1, x2, y2);
DeleteObject(SelectObject(hdc, oldBrush));
DeleteObject(SelectObject(hdc, oldPen));
}
void
RRect(HDC hdc, short x1, short y1, short x2, short y2, int fg, int bg, int thickness, int style)
{
LOGBRUSH logbrush;
HBRUSH oldBrush;
HPEN oldPen = SelectObject(hdc, CreatePen(PS_SOLID, thickness, fg));
logbrush.lbStyle = (style == 0) ? BS_HOLLOW : BS_SOLID;
logbrush.lbColor = (style == 2) ? fg : bg;
logbrush.lbHatch = 0;
oldBrush = SelectObject(hdc, CreateBrushIndirect(&logbrush));
RoundRect(hdc, x1, y1, x2, y2, 16, 16);
DeleteObject(SelectObject(hdc, oldBrush));
DeleteObject(SelectObject(hdc, oldPen));
}
void
Poly(HDC hdc, POINT * lpPoints, int nCount, int fg, int bg, int thickness, int style, BOOL closed)
{
LOGBRUSH logbrush;
HBRUSH oldBrush;
HPEN oldPen = SelectObject(hdc, CreatePen(PS_SOLID, thickness, fg));
logbrush.lbStyle = (style == 0) ? BS_HOLLOW : BS_SOLID;
logbrush.lbColor = (style == 2) ? fg : bg;
logbrush.lbHatch = 0;
oldBrush = SelectObject(hdc, CreateBrushIndirect(&logbrush));
if (closed)
Polygon(hdc, lpPoints, nCount);
else
Polyline(hdc, lpPoints, nCount);
DeleteObject(SelectObject(hdc, oldBrush));
DeleteObject(SelectObject(hdc, oldPen));
}
void
Bezier(HDC hdc, POINT p1, POINT p2, POINT p3, POINT p4, int color, int thickness)
{
HPEN oldPen;
POINT fourPoints[4];
fourPoints[0] = p1;
fourPoints[1] = p2;
fourPoints[2] = p3;
fourPoints[3] = p4;
oldPen = SelectObject(hdc, CreatePen(PS_SOLID, thickness, color));
PolyBezier(hdc, fourPoints, 4);
DeleteObject(SelectObject(hdc, oldPen));
}
void
Fill(HDC hdc, int x, int y, int color)
{
HBRUSH oldBrush = SelectObject(hdc, CreateSolidBrush(color));
ExtFloodFill(hdc, x, y, GetPixel(hdc, x, y), FLOODFILLSURFACE);
DeleteObject(SelectObject(hdc, oldBrush));
}
void
Erase(HDC hdc, short x1, short y1, short x2, short y2, int color, int radius)
{
short a;
HPEN oldPen;
HBRUSH oldBrush = SelectObject(hdc, CreateSolidBrush(color));
oldPen = SelectObject(hdc, CreatePen(PS_SOLID, 1, color));
for(a = 0; a <= 100; a++)
Rectangle(hdc, (x1 * (100 - a) + x2 * a) / 100 - radius + 1,
(y1 * (100 - a) + y2 * a) / 100 - radius + 1, (x1 * (100 - a) + x2 * a) / 100 + radius + 1,
(y1 * (100 - a) + y2 * a) / 100 + radius + 1);
DeleteObject(SelectObject(hdc, oldBrush));
DeleteObject(SelectObject(hdc, oldPen));
}
void
Replace(HDC hdc, short x1, short y1, short x2, short y2, int fg, int bg, int radius)
{
short a, x, y;
for(a = 0; a <= 100; a++)
for(y = (y1 * (100 - a) + y2 * a) / 100 - radius + 1;
y < (y1 * (100 - a) + y2 * a) / 100 + radius + 1; y++)
for(x = (x1 * (100 - a) + x2 * a) / 100 - radius + 1;
x < (x1 * (100 - a) + x2 * a) / 100 + radius + 1; x++)
if (GetPixel(hdc, x, y) == fg)
SetPixel(hdc, x, y, bg);
}
void
Airbrush(HDC hdc, short x, short y, int color, int r)
{
short a;
short b;
for(b = -r; b <= r; b++)
for(a = -r; a <= r; a++)
if ((a * a + b * b <= r * r) && (rand() % 4 == 0))
SetPixel(hdc, x + a, y + b, color);
}
void
Brush(HDC hdc, short x1, short y1, short x2, short y2, int color, int style)
{
HPEN oldPen = SelectObject(hdc, CreatePen(PS_SOLID, 1, color));
HBRUSH oldBrush = SelectObject(hdc, CreateSolidBrush(color));
short a;
switch (style)
{
case 0:
for(a = 0; a <= 100; a++)
Ellipse(hdc, (x1 * (100 - a) + x2 * a) / 100 - 3, (y1 * (100 - a) + y2 * a) / 100 - 3,
(x1 * (100 - a) + x2 * a) / 100 + 4, (y1 * (100 - a) + y2 * a) / 100 + 4);
break;
case 1:
for(a = 0; a <= 100; a++)
Ellipse(hdc, (x1 * (100 - a) + x2 * a) / 100 - 1, (y1 * (100 - a) + y2 * a) / 100 - 1,
(x1 * (100 - a) + x2 * a) / 100 + 3, (y1 * (100 - a) + y2 * a) / 100 + 3);
break;
case 2:
MoveToEx(hdc, x1, y1, NULL);
LineTo(hdc, x2, y2);
SetPixel(hdc, x2, y2, color);
break;
case 3:
for(a = 0; a <= 100; a++)
Rectangle(hdc, (x1 * (100 - a) + x2 * a) / 100 - 3, (y1 * (100 - a) + y2 * a) / 100 - 3,
(x1 * (100 - a) + x2 * a) / 100 + 5, (y1 * (100 - a) + y2 * a) / 100 + 5);
break;
case 4:
for(a = 0; a <= 100; a++)
Rectangle(hdc, (x1 * (100 - a) + x2 * a) / 100 - 2, (y1 * (100 - a) + y2 * a) / 100 - 2,
(x1 * (100 - a) + x2 * a) / 100 + 3, (y1 * (100 - a) + y2 * a) / 100 + 3);
break;
case 5:
for(a = 0; a <= 100; a++)
Rectangle(hdc, (x1 * (100 - a) + x2 * a) / 100 - 1, (y1 * (100 - a) + y2 * a) / 100 - 1,
(x1 * (100 - a) + x2 * a) / 100 + 1, (y1 * (100 - a) + y2 * a) / 100 + 1);
break;
case 6:
for(a = 0; a <= 100; a++)
{
MoveToEx(hdc, (x1 * (100 - a) + x2 * a) / 100 - 3, (y1 * (100 - a) + y2 * a) / 100 + 5, NULL);
LineTo(hdc, (x1 * (100 - a) + x2 * a) / 100 + 5, (y1 * (100 - a) + y2 * a) / 100 - 3);
}
break;
case 7:
for(a = 0; a <= 100; a++)
{
MoveToEx(hdc, (x1 * (100 - a) + x2 * a) / 100 - 2, (y1 * (100 - a) + y2 * a) / 100 + 3, NULL);
LineTo(hdc, (x1 * (100 - a) + x2 * a) / 100 + 3, (y1 * (100 - a) + y2 * a) / 100 - 2);
}
break;
case 8:
for(a = 0; a <= 100; a++)
{
MoveToEx(hdc, (x1 * (100 - a) + x2 * a) / 100 - 1, (y1 * (100 - a) + y2 * a) / 100 + 1, NULL);
LineTo(hdc, (x1 * (100 - a) + x2 * a) / 100 + 1, (y1 * (100 - a) + y2 * a) / 100 - 1);
}
break;
case 9:
for(a = 0; a <= 100; a++)
{
MoveToEx(hdc, (x1 * (100 - a) + x2 * a) / 100 - 3, (y1 * (100 - a) + y2 * a) / 100 - 3, NULL);
LineTo(hdc, (x1 * (100 - a) + x2 * a) / 100 + 5, (y1 * (100 - a) + y2 * a) / 100 + 5);
}
break;
case 10:
for(a = 0; a <= 100; a++)
{
MoveToEx(hdc, (x1 * (100 - a) + x2 * a) / 100 - 2, (y1 * (100 - a) + y2 * a) / 100 - 2, NULL);
LineTo(hdc, (x1 * (100 - a) + x2 * a) / 100 + 3, (y1 * (100 - a) + y2 * a) / 100 + 3);
}
break;
case 11:
for(a = 0; a <= 100; a++)
{
MoveToEx(hdc, (x1 * (100 - a) + x2 * a) / 100 - 1, (y1 * (100 - a) + y2 * a) / 100 - 1, NULL);
LineTo(hdc, (x1 * (100 - a) + x2 * a) / 100 + 1, (y1 * (100 - a) + y2 * a) / 100 + 1);
}
break;
}
DeleteObject(SelectObject(hdc, oldBrush));
DeleteObject(SelectObject(hdc, oldPen));
}
void
RectSel(HDC hdc, short x1, short y1, short x2, short y2)
{
HBRUSH oldBrush;
LOGBRUSH logbrush;
HPEN oldPen = SelectObject(hdc, CreatePen(PS_DOT, 1, 0x00000000));
logbrush.lbStyle = BS_HOLLOW;
logbrush.lbColor = 0;
logbrush.lbHatch = 0;
oldBrush = SelectObject(hdc, CreateBrushIndirect(&logbrush));
Rectangle(hdc, x1, y1, x2, y2);
DeleteObject(SelectObject(hdc, oldBrush));
DeleteObject(SelectObject(hdc, oldPen));
}
void
SelectionFrame(HDC hdc, int x1, int y1, int x2, int y2)
{
HBRUSH oldBrush;
LOGBRUSH logbrush;
HPEN oldPen = SelectObject(hdc, CreatePen(PS_DOT, 1, 0x00000000));
logbrush.lbStyle = BS_HOLLOW;
logbrush.lbColor = 0;
logbrush.lbHatch = 0;
oldBrush = SelectObject(hdc, CreateBrushIndirect(&logbrush));
Rectangle(hdc, x1, y1, x2, y2);
DeleteObject(SelectObject(hdc, oldBrush));
DeleteObject(SelectObject(hdc, oldPen));
oldPen = SelectObject(hdc, CreatePen(PS_SOLID, 1, 0x00000000));
oldBrush = SelectObject(hdc, CreateSolidBrush(0x00000000));
Rectangle(hdc, x1 - 1, y1 - 1, x1 + 2, y1 + 2);
Rectangle(hdc, x2 - 2, y1 - 1, x2 + 2, y1 + 2);
Rectangle(hdc, x1 - 1, y2 - 2, x1 + 2, y2 + 1);
Rectangle(hdc, x2 - 2, y2 - 2, x2 + 2, y2 + 1);
Rectangle(hdc, (x1 + x2) / 2 - 1, y1 - 1, (x1 + x2) / 2 + 2, y1 + 2);
Rectangle(hdc, (x1 + x2) / 2 - 1, y2 - 2, (x1 + x2) / 2 + 2, y2 + 1);
Rectangle(hdc, x1 - 1, (y1 + y2) / 2 - 1, x1 + 2, (y1 + y2) / 2 + 2);
Rectangle(hdc, x2 - 2, (y1 + y2) / 2 - 1, x2 + 1, (y1 + y2) / 2 + 2);
DeleteObject(SelectObject(hdc, oldBrush));
DeleteObject(SelectObject(hdc, oldPen));
}
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