//
using System.ComponentModel;
+using System.Runtime.InteropServices;
namespace System.Drawing.Drawing2D {
{
RectangleF rectangle;
- internal LinearGradientBrush (IntPtr native) : base (native)
+ internal LinearGradientBrush (IntPtr native)
{
Status status = GDIPlus.GdipGetLineRect (native, out rectangle);
+ SetNativeBrush (native);
GDIPlus.CheckStatus (status);
}
public LinearGradientBrush (Point point1, Point point2, Color color1, Color color2)
{
+ IntPtr nativeObject;
Status status = GDIPlus.GdipCreateLineBrushI (ref point1, ref point2, color1.ToArgb (), color2.ToArgb (), WrapMode.Tile, out nativeObject);
GDIPlus.CheckStatus (status);
+ SetNativeBrush (nativeObject);
status = GDIPlus.GdipGetLineRect (nativeObject, out rectangle);
GDIPlus.CheckStatus (status);
public LinearGradientBrush (PointF point1, PointF point2, Color color1, Color color2)
{
+ IntPtr nativeObject;
Status status = GDIPlus.GdipCreateLineBrush (ref point1, ref point2, color1.ToArgb (), color2.ToArgb (), WrapMode.Tile, out nativeObject);
GDIPlus.CheckStatus (status);
+ SetNativeBrush (nativeObject);
status = GDIPlus.GdipGetLineRect (nativeObject, out rectangle);
GDIPlus.CheckStatus (status);
public LinearGradientBrush (Rectangle rect, Color color1, Color color2, LinearGradientMode linearGradientMode)
{
+ if (linearGradientMode < LinearGradientMode.Horizontal || linearGradientMode > LinearGradientMode.BackwardDiagonal) {
+ throw new InvalidEnumArgumentException (nameof (linearGradientMode), unchecked ((int)linearGradientMode), typeof (LinearGradientMode));
+ }
+
+ if (rect.Width == 0 || rect.Height == 0) {
+ throw new ArgumentException( string.Format ("Rectangle '{0}' cannot have a width or height equal to 0.", rect.ToString ()));
+ }
+
+ IntPtr nativeObject;
Status status = GDIPlus.GdipCreateLineBrushFromRectI (ref rect, color1.ToArgb (), color2.ToArgb (), linearGradientMode, WrapMode.Tile, out nativeObject);
GDIPlus.CheckStatus (status);
+ SetNativeBrush (nativeObject);
rectangle = (RectangleF) rect;
}
public LinearGradientBrush (RectangleF rect, Color color1, Color color2, LinearGradientMode linearGradientMode)
{
+ if (linearGradientMode < LinearGradientMode.Horizontal || linearGradientMode > LinearGradientMode.BackwardDiagonal) {
+ throw new InvalidEnumArgumentException (nameof (linearGradientMode), unchecked ((int)linearGradientMode), typeof (LinearGradientMode));
+ }
+
+ if (rect.Width == 0.0 || rect.Height == 0.0) {
+ throw new ArgumentException (string.Format ("Rectangle '{0}' cannot have a width or height equal to 0.", rect.ToString ()));
+ }
+
+ IntPtr nativeObject;
Status status = GDIPlus.GdipCreateLineBrushFromRect (ref rect, color1.ToArgb (), color2.ToArgb (), linearGradientMode, WrapMode.Tile, out nativeObject);
GDIPlus.CheckStatus (status);
+ SetNativeBrush (nativeObject);
rectangle = rect;
}
public LinearGradientBrush (Rectangle rect, Color color1, Color color2, float angle, bool isAngleScaleable)
{
+ if (rect.Width == 0 || rect.Height == 0) {
+ throw new ArgumentException (string.Format ("Rectangle '{0}' cannot have a width or height equal to 0.", rect.ToString ()));
+ }
+
+ IntPtr nativeObject;
Status status = GDIPlus.GdipCreateLineBrushFromRectWithAngleI (ref rect, color1.ToArgb (), color2.ToArgb (), angle, isAngleScaleable, WrapMode.Tile, out nativeObject);
GDIPlus.CheckStatus (status);
+ SetNativeBrush (nativeObject);
rectangle = (RectangleF) rect;
}
public LinearGradientBrush (RectangleF rect, Color color1, Color color2, float angle, bool isAngleScaleable)
{
+ if (rect.Width == 0 || rect.Height == 0) {
+ throw new ArgumentException (string.Format ("Rectangle '{0}' cannot have a width or height equal to 0.", rect.ToString ()));
+ }
+
+ IntPtr nativeObject;
Status status = GDIPlus.GdipCreateLineBrushFromRectWithAngle (ref rect, color1.ToArgb (), color2.ToArgb (), angle, isAngleScaleable, WrapMode.Tile, out nativeObject);
GDIPlus.CheckStatus (status);
+ SetNativeBrush (nativeObject);
rectangle = rect;
}
public Blend Blend {
get {
int count;
- Status status = GDIPlus.GdipGetLineBlendCount (nativeObject, out count);
+ Status status = GDIPlus.GdipGetLineBlendCount (NativeBrush, out count);
GDIPlus.CheckStatus (status);
float [] factors = new float [count];
float [] positions = new float [count];
- status = GDIPlus.GdipGetLineBlend (nativeObject, factors, positions, count);
+ status = GDIPlus.GdipGetLineBlend (NativeBrush, factors, positions, count);
GDIPlus.CheckStatus (status);
Blend blend = new Blend ();
return blend;
}
set {
+ // no null check, MS throws a NullReferenceException here
int count;
float [] factors = value.Factors;
float [] positions = value.Positions;
if (positions [count - 1] != 1.0F)
throw new ArgumentException ("Invalid Blend object. The positions array must have 1.0 as its last element.");
- Status status = GDIPlus.GdipSetLineBlend (nativeObject, factors, positions, count);
+ Status status = GDIPlus.GdipSetLineBlend (NativeBrush, factors, positions, count);
GDIPlus.CheckStatus (status);
}
}
- [MonoTODO ("Not used inside libgdiplus")]
+ [MonoTODO ("The GammaCorrection value is ignored when using libgdiplus.")]
public bool GammaCorrection {
get {
bool gammaCorrection;
- Status status = GDIPlus.GdipGetLineGammaCorrection (nativeObject, out gammaCorrection);
+ Status status = GDIPlus.GdipGetLineGammaCorrection (NativeBrush, out gammaCorrection);
GDIPlus.CheckStatus (status);
return gammaCorrection;
}
set {
- Status status = GDIPlus.GdipSetLineGammaCorrection (nativeObject, value);
+ Status status = GDIPlus.GdipSetLineGammaCorrection (NativeBrush, value);
GDIPlus.CheckStatus (status);
}
}
public ColorBlend InterpolationColors {
get {
int count;
- Status status = GDIPlus.GdipGetLinePresetBlendCount (nativeObject, out count);
+ Status status = GDIPlus.GdipGetLinePresetBlendCount (NativeBrush, out count);
GDIPlus.CheckStatus (status);
int [] intcolors = new int [count];
float [] positions = new float [count];
- status = GDIPlus.GdipGetLinePresetBlend (nativeObject, intcolors, positions, count);
+ status = GDIPlus.GdipGetLinePresetBlend (NativeBrush, intcolors, positions, count);
GDIPlus.CheckStatus (status);
ColorBlend interpolationColors = new ColorBlend ();
return interpolationColors;
}
set {
+ if (value == null)
+ throw new ArgumentException ("InterpolationColors is null");
int count;
Color [] colors = value.Colors;
float [] positions = value.Positions;
for (int i = 0; i < colors.Length; i++)
blend [i] = colors [i].ToArgb ();
- Status status = GDIPlus.GdipSetLinePresetBlend (nativeObject, blend, positions, count);
+ Status status = GDIPlus.GdipSetLinePresetBlend (NativeBrush, blend, positions, count);
GDIPlus.CheckStatus (status);
}
}
public Color [] LinearColors {
get {
int [] colors = new int [2];
- Status status = GDIPlus.GdipGetLineColors (nativeObject, colors);
+ Status status = GDIPlus.GdipGetLineColors (NativeBrush, colors);
GDIPlus.CheckStatus (status);
Color [] linearColors = new Color [2];
linearColors [0] = Color.FromArgb (colors [0]);
return linearColors;
}
set {
- Status status = GDIPlus.GdipSetLineColors (nativeObject, value [0].ToArgb (), value [1].ToArgb ());
+ // no null check, MS throws a NullReferenceException here
+ Status status = GDIPlus.GdipSetLineColors (NativeBrush, value [0].ToArgb (), value [1].ToArgb ());
GDIPlus.CheckStatus (status);
}
}
public Matrix Transform {
get {
Matrix matrix = new Matrix ();
- Status status = GDIPlus.GdipGetLineTransform (nativeObject, matrix.nativeMatrix);
+ Status status = GDIPlus.GdipGetLineTransform (NativeBrush, matrix.nativeMatrix);
GDIPlus.CheckStatus (status);
return matrix;
if (value == null)
throw new ArgumentNullException ("Transform");
- Status status = GDIPlus.GdipSetLineTransform (nativeObject, value.nativeMatrix);
+ Status status = GDIPlus.GdipSetLineTransform (NativeBrush, value.nativeMatrix);
GDIPlus.CheckStatus (status);
}
}
public WrapMode WrapMode {
get {
WrapMode wrapMode;
- Status status = GDIPlus.GdipGetLineWrapMode (nativeObject, out wrapMode);
+ Status status = GDIPlus.GdipGetLineWrapMode (NativeBrush, out wrapMode);
GDIPlus.CheckStatus (status);
return wrapMode;
if ((value < WrapMode.Tile) || (value > WrapMode.Clamp))
throw new InvalidEnumArgumentException ("WrapMode");
- Status status = GDIPlus.GdipSetLineWrapMode (nativeObject, value);
+ Status status = GDIPlus.GdipSetLineWrapMode (NativeBrush, value);
GDIPlus.CheckStatus (status);
}
}
if (matrix == null)
throw new ArgumentNullException ("matrix");
- Status status = GDIPlus.GdipMultiplyLineTransform (nativeObject, matrix.nativeMatrix, order);
+ Status status = GDIPlus.GdipMultiplyLineTransform (NativeBrush, matrix.nativeMatrix, order);
GDIPlus.CheckStatus (status);
}
public void ResetTransform ()
{
- Status status = GDIPlus.GdipResetLineTransform (nativeObject);
+ Status status = GDIPlus.GdipResetLineTransform (NativeBrush);
GDIPlus.CheckStatus (status);
}
public void RotateTransform (float angle, MatrixOrder order)
{
- Status status = GDIPlus.GdipRotateLineTransform (nativeObject, angle, order);
+ Status status = GDIPlus.GdipRotateLineTransform (NativeBrush, angle, order);
GDIPlus.CheckStatus (status);
}
public void ScaleTransform (float sx, float sy, MatrixOrder order)
{
- Status status = GDIPlus.GdipScaleLineTransform (nativeObject, sx, sy, order);
+ Status status = GDIPlus.GdipScaleLineTransform (NativeBrush, sx, sy, order);
GDIPlus.CheckStatus (status);
}
if (focus < 0 || focus > 1 || scale < 0 || scale > 1)
throw new ArgumentException ("Invalid parameter passed.");
- Status status = GDIPlus.GdipSetLineLinearBlend (nativeObject, focus, scale);
+ Status status = GDIPlus.GdipSetLineLinearBlend (NativeBrush, focus, scale);
GDIPlus.CheckStatus (status);
}
if (focus < 0 || focus > 1 || scale < 0 || scale > 1)
throw new ArgumentException ("Invalid parameter passed.");
- Status status = GDIPlus.GdipSetLineSigmaBlend (nativeObject, focus, scale);
+ Status status = GDIPlus.GdipSetLineSigmaBlend (NativeBrush, focus, scale);
GDIPlus.CheckStatus (status);
}
public void TranslateTransform (float dx, float dy, MatrixOrder order)
{
- Status status = GDIPlus.GdipTranslateLineTransform (nativeObject, dx, dy, order);
+ Status status = GDIPlus.GdipTranslateLineTransform (NativeBrush, dx, dy, order);
GDIPlus.CheckStatus (status);
}
public override object Clone ()
{
IntPtr clonePtr;
- Status status = GDIPlus.GdipCloneBrush (nativeObject, out clonePtr);
+ Status status = (Status) GDIPlus.GdipCloneBrush (new HandleRef (this, NativeBrush), out clonePtr);
GDIPlus.CheckStatus (status);
return new LinearGradientBrush (clonePtr);