#endif // HAS_FILE_STREAMS
#if wxUSE_VARIANT
-IMPLEMENT_VARIANT_OBJECT_EXPORTED(wxImage,WXDLLEXPORT)
+IMPLEMENT_VARIANT_OBJECT_EXPORTED_SHALLOWCMP(wxImage,WXDLLEXPORT)
#endif
//-----------------------------------------------------------------------------
{
for (int i = 0; i < width; i+=3)
{
- if ((source_data[i] != r) &&
- (source_data[i+1] != g) &&
+ if ((source_data[i] != r) ||
+ (source_data[i+1] != g) ||
(source_data[i+2] != b))
{
memcpy( target_data+i, source_data+i, 3 );
* Rotation code by Carlos Moreno
*/
-// GRG: I've removed wxRotationPoint - we already have wxRealPoint which
-// does exactly the same thing. And I also got rid of wxRotationPixel
-// bacause of potential problems in architectures where alignment
-// is an issue, so I had to rewrite parts of the code.
-
-static const double gs_Epsilon = 1e-10;
-
-static inline int wxCint (double x)
-{
- return (x > 0) ? (int) (x + 0.5) : (int) (x - 0.5);
-}
-
+static const double wxROTATE_EPSILON = 1e-10;
// Auxiliary function to rotate a point (x,y) with respect to point p0
// make it inline and use a straight return to facilitate optimization
// repeating the time-consuming calls to these functions -- sin/cos can
// be computed and stored in the calling function.
-inline wxRealPoint rotated_point (const wxRealPoint & p, double cos_angle, double sin_angle, const wxRealPoint & p0)
+static inline wxRealPoint
+wxRotatePoint(const wxRealPoint& p, double cos_angle, double sin_angle,
+ const wxRealPoint& p0)
{
- return wxRealPoint (p0.x + (p.x - p0.x) * cos_angle - (p.y - p0.y) * sin_angle,
- p0.y + (p.y - p0.y) * cos_angle + (p.x - p0.x) * sin_angle);
+ return wxRealPoint(p0.x + (p.x - p0.x) * cos_angle - (p.y - p0.y) * sin_angle,
+ p0.y + (p.y - p0.y) * cos_angle + (p.x - p0.x) * sin_angle);
}
-inline wxRealPoint rotated_point (double x, double y, double cos_angle, double sin_angle, const wxRealPoint & p0)
+static inline wxRealPoint
+wxRotatePoint(double x, double y, double cos_angle, double sin_angle,
+ const wxRealPoint & p0)
{
- return rotated_point (wxRealPoint(x,y), cos_angle, sin_angle, p0);
+ return wxRotatePoint (wxRealPoint(x,y), cos_angle, sin_angle, p0);
}
wxImage wxImage::Rotate(double angle, const wxPoint & centre_of_rotation, bool interpolating, wxPoint * offset_after_rotation) const
const wxRealPoint p0(centre_of_rotation.x, centre_of_rotation.y);
- wxRealPoint p1 = rotated_point (0, 0, cos_angle, sin_angle, p0);
- wxRealPoint p2 = rotated_point (0, GetHeight(), cos_angle, sin_angle, p0);
- wxRealPoint p3 = rotated_point (GetWidth(), 0, cos_angle, sin_angle, p0);
- wxRealPoint p4 = rotated_point (GetWidth(), GetHeight(), cos_angle, sin_angle, p0);
+ wxRealPoint p1 = wxRotatePoint (0, 0, cos_angle, sin_angle, p0);
+ wxRealPoint p2 = wxRotatePoint (0, GetHeight(), cos_angle, sin_angle, p0);
+ wxRealPoint p3 = wxRotatePoint (GetWidth(), 0, cos_angle, sin_angle, p0);
+ wxRealPoint p4 = wxRotatePoint (GetWidth(), GetHeight(), cos_angle, sin_angle, p0);
int x1a = (int) floor (wxMin (wxMin(p1.x, p2.x), wxMin(p3.x, p4.x)));
int y1a = (int) floor (wxMin (wxMin(p1.y, p2.y), wxMin(p3.y, p4.y)));
{
for (x = 0; x < rotated.GetWidth(); x++)
{
- wxRealPoint src = rotated_point (x + x1a, y + y1a, cos_angle, -sin_angle, p0);
+ wxRealPoint src = wxRotatePoint (x + x1a, y + y1a, cos_angle, -sin_angle, p0);
if (-0.25 < src.x && src.x < GetWidth() - 0.75 &&
-0.25 < src.y && src.y < GetHeight() - 0.75)
if (0 < src.x && src.x < GetWidth() - 1)
{
- x1 = wxCint(floor(src.x));
- x2 = wxCint(ceil(src.x));
+ x1 = wxRound(floor(src.x));
+ x2 = wxRound(ceil(src.x));
}
else // else means that x is near one of the borders (0 or width-1)
{
- x1 = x2 = wxCint (src.x);
+ x1 = x2 = wxRound (src.x);
}
if (0 < src.y && src.y < GetHeight() - 1)
{
- y1 = wxCint(floor(src.y));
- y2 = wxCint(ceil(src.y));
+ y1 = wxRound(floor(src.y));
+ y2 = wxRound(ceil(src.y));
}
else
{
- y1 = y2 = wxCint (src.y);
+ y1 = y2 = wxRound (src.y);
}
// get four points and the distances (square of the distance,
// GRG: Do not calculate the points until they are
// really needed -- this way we can calculate
// just one, instead of four, if d1, d2, d3
- // or d4 are < gs_Epsilon
+ // or d4 are < wxROTATE_EPSILON
const double d1 = (src.x - x1) * (src.x - x1) + (src.y - y1) * (src.y - y1);
const double d2 = (src.x - x2) * (src.x - x2) + (src.y - y1) * (src.y - y1);
// If the point is exactly at one point of the grid of the source
// image, then don't interpolate -- just assign the pixel
- if (d1 < gs_Epsilon) // d1,d2,d3,d4 are positive -- no need for abs()
+ // d1,d2,d3,d4 are positive -- no need for abs()
+ if (d1 < wxROTATE_EPSILON)
{
unsigned char *p = data[y1] + (3 * x1);
*(dst++) = *(p++);
if (has_alpha)
*(alpha_dst++) = *(alpha[y1] + x1);
}
- else if (d2 < gs_Epsilon)
+ else if (d2 < wxROTATE_EPSILON)
{
unsigned char *p = data[y1] + (3 * x2);
*(dst++) = *(p++);
if (has_alpha)
*(alpha_dst++) = *(alpha[y1] + x2);
}
- else if (d3 < gs_Epsilon)
+ else if (d3 < wxROTATE_EPSILON)
{
unsigned char *p = data[y2] + (3 * x2);
*(dst++) = *(p++);
if (has_alpha)
*(alpha_dst++) = *(alpha[y2] + x2);
}
- else if (d4 < gs_Epsilon)
+ else if (d4 < wxROTATE_EPSILON)
{
unsigned char *p = data[y2] + (3 * x1);
*(dst++) = *(p++);
{
for (x = 0; x < rotated.GetWidth(); x++)
{
- wxRealPoint src = rotated_point (x + x1a, y + y1a, cos_angle, -sin_angle, p0);
+ wxRealPoint src = wxRotatePoint (x + x1a, y + y1a, cos_angle, -sin_angle, p0);
- const int xs = wxCint (src.x); // wxCint rounds to the
- const int ys = wxCint (src.y); // closest integer
+ const int xs = wxRound (src.x); // wxRound rounds to the
+ const int ys = wxRound (src.y); // closest integer
if (0 <= xs && xs < GetWidth() &&
0 <= ys && ys < GetHeight())
projects / wxWidgets.git / blobdiff