graphicspath.c File Reference

#include <stdarg.h>
#include <math.h>
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "wingdi.h"
#include "objbase.h"
#include "gdiplus.h"
#include "gdiplus_private.h"
#include "wine/debug.h"

Include dependency graph for graphicspath.c:

Go to the source code of this file.

Classes
struct	path_list_node_t
struct	format_string_args
struct	path_header

Macros
#define	FLAGS_INTPATH   0x4000

Typedefs
typedef struct path_list_node_t	path_list_node_t

Functions
	WINE_DEFAULT_DEBUG_CHANNEL (gdiplus)
static BOOL	init_path_list (path_list_node_t **node, REAL x, REAL y)
static void	free_path_list (path_list_node_t *node)
static path_list_node_t *	add_path_list_node (path_list_node_t *node, REAL x, REAL y, BOOL type)
static INT	path_list_count (path_list_node_t *node)
static BOOL	flatten_bezier (path_list_node_t *start, REAL x2, REAL y2, REAL x3, REAL y3, path_list_node_t *end, REAL flatness)
GpStatus WINGDIPAPI	GdipAddPathArc (GpPath *path, REAL x1, REAL y1, REAL x2, REAL y2, REAL startAngle, REAL sweepAngle)
GpStatus WINGDIPAPI	GdipAddPathArcI (GpPath *path, INT x1, INT y1, INT x2, INT y2, REAL startAngle, REAL sweepAngle)
GpStatus WINGDIPAPI	GdipAddPathBezier (GpPath *path, REAL x1, REAL y1, REAL x2, REAL y2, REAL x3, REAL y3, REAL x4, REAL y4)
GpStatus WINGDIPAPI	GdipAddPathBezierI (GpPath *path, INT x1, INT y1, INT x2, INT y2, INT x3, INT y3, INT x4, INT y4)
GpStatus WINGDIPAPI	GdipAddPathBeziers (GpPath *path, GDIPCONST GpPointF *points, INT count)
GpStatus WINGDIPAPI	GdipAddPathBeziersI (GpPath *path, GDIPCONST GpPoint *points, INT count)
GpStatus WINGDIPAPI	GdipAddPathClosedCurve (GpPath *path, GDIPCONST GpPointF *points, INT count)
GpStatus WINGDIPAPI	GdipAddPathClosedCurveI (GpPath *path, GDIPCONST GpPoint *points, INT count)
GpStatus WINGDIPAPI	GdipAddPathClosedCurve2 (GpPath *path, GDIPCONST GpPointF *points, INT count, REAL tension)
GpStatus WINGDIPAPI	GdipAddPathClosedCurve2I (GpPath *path, GDIPCONST GpPoint *points, INT count, REAL tension)
GpStatus WINGDIPAPI	GdipAddPathCurve (GpPath *path, GDIPCONST GpPointF *points, INT count)
GpStatus WINGDIPAPI	GdipAddPathCurveI (GpPath *path, GDIPCONST GpPoint *points, INT count)
GpStatus WINGDIPAPI	GdipAddPathCurve2 (GpPath *path, GDIPCONST GpPointF *points, INT count, REAL tension)
GpStatus WINGDIPAPI	GdipAddPathCurve2I (GpPath *path, GDIPCONST GpPoint *points, INT count, REAL tension)
GpStatus WINGDIPAPI	GdipAddPathCurve3 (GpPath *path, GDIPCONST GpPointF *points, INT count, INT offset, INT nseg, REAL tension)
GpStatus WINGDIPAPI	GdipAddPathCurve3I (GpPath *path, GDIPCONST GpPoint *points, INT count, INT offset, INT nseg, REAL tension)
GpStatus WINGDIPAPI	GdipAddPathEllipse (GpPath *path, REAL x, REAL y, REAL width, REAL height)
GpStatus WINGDIPAPI	GdipAddPathEllipseI (GpPath *path, INT x, INT y, INT width, INT height)
GpStatus WINGDIPAPI	GdipAddPathLine2 (GpPath *path, GDIPCONST GpPointF *points, INT count)
GpStatus WINGDIPAPI	GdipAddPathLine2I (GpPath *path, GDIPCONST GpPoint *points, INT count)
GpStatus WINGDIPAPI	GdipAddPathLine (GpPath *path, REAL x1, REAL y1, REAL x2, REAL y2)
GpStatus WINGDIPAPI	GdipAddPathLineI (GpPath *path, INT x1, INT y1, INT x2, INT y2)
GpStatus WINGDIPAPI	GdipAddPathPath (GpPath *path, GDIPCONST GpPath *addingPath, BOOL connect)
GpStatus WINGDIPAPI	GdipAddPathPie (GpPath *path, REAL x, REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
GpStatus WINGDIPAPI	GdipAddPathPieI (GpPath *path, INT x, INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
GpStatus WINGDIPAPI	GdipAddPathPolygon (GpPath *path, GDIPCONST GpPointF *points, INT count)
GpStatus WINGDIPAPI	GdipAddPathPolygonI (GpPath *path, GDIPCONST GpPoint *points, INT count)
static float	fromfixedpoint (const FIXED v)
static GpStatus	format_string_callback (HDC dc, GDIPCONST WCHAR *string, INT index, INT length, GDIPCONST GpFont *font, GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format, INT lineno, const RectF *bounds, INT *underlined_indexes, INT underlined_index_count, void *priv)
GpStatus WINGDIPAPI	GdipAddPathString (GpPath *path, GDIPCONST WCHAR *string, INT length, GDIPCONST GpFontFamily *family, INT style, REAL emSize, GDIPCONST RectF *layoutRect, GDIPCONST GpStringFormat *format)
GpStatus WINGDIPAPI	GdipAddPathStringI (GpPath *path, GDIPCONST WCHAR *string, INT length, GDIPCONST GpFontFamily *family, INT style, REAL emSize, GDIPCONST Rect *layoutRect, GDIPCONST GpStringFormat *format)
GpStatus WINGDIPAPI	GdipClonePath (GpPath *path, GpPath **clone)
GpStatus WINGDIPAPI	GdipClosePathFigure (GpPath *path)
GpStatus WINGDIPAPI	GdipClosePathFigures (GpPath *path)
GpStatus WINGDIPAPI	GdipCreatePath (GpFillMode fill, GpPath **path)
GpStatus WINGDIPAPI	GdipCreatePath2 (GDIPCONST GpPointF *points, GDIPCONST BYTE *types, INT count, GpFillMode fill, GpPath **path)
GpStatus WINGDIPAPI	GdipCreatePath2I (GDIPCONST GpPoint *points, GDIPCONST BYTE *types, INT count, GpFillMode fill, GpPath **path)
GpStatus WINGDIPAPI	GdipDeletePath (GpPath *path)
GpStatus WINGDIPAPI	GdipFlattenPath (GpPath *path, GpMatrix *matrix, REAL flatness)
GpStatus WINGDIPAPI	GdipGetPathData (GpPath *path, GpPathData *pathData)
GpStatus WINGDIPAPI	GdipGetPathFillMode (GpPath *path, GpFillMode *fillmode)
GpStatus WINGDIPAPI	GdipGetPathLastPoint (GpPath *path, GpPointF *lastPoint)
GpStatus WINGDIPAPI	GdipGetPathPoints (GpPath *path, GpPointF *points, INT count)
GpStatus WINGDIPAPI	GdipGetPathPointsI (GpPath *path, GpPoint *points, INT count)
GpStatus WINGDIPAPI	GdipGetPathTypes (GpPath *path, BYTE *types, INT count)
GpStatus WINGDIPAPI	GdipGetPathWorldBounds (GpPath *path, GpRectF *bounds, GDIPCONST GpMatrix *matrix, GDIPCONST GpPen *pen)
GpStatus WINGDIPAPI	GdipGetPathWorldBoundsI (GpPath *path, GpRect *bounds, GDIPCONST GpMatrix *matrix, GDIPCONST GpPen *pen)
GpStatus WINGDIPAPI	GdipGetPointCount (GpPath *path, INT *count)
GpStatus WINGDIPAPI	GdipReversePath (GpPath *path)
GpStatus WINGDIPAPI	GdipIsOutlineVisiblePathPointI (GpPath *path, INT x, INT y, GpPen *pen, GpGraphics *graphics, BOOL *result)
GpStatus WINGDIPAPI	GdipIsOutlineVisiblePathPoint (GpPath *path, REAL x, REAL y, GpPen *pen, GpGraphics *graphics, BOOL *result)
GpStatus WINGDIPAPI	GdipIsVisiblePathPointI (GpPath *path, INT x, INT y, GpGraphics *graphics, BOOL *result)
GpStatus WINGDIPAPI	GdipIsVisiblePathPoint (GpPath *path, REAL x, REAL y, GpGraphics *graphics, BOOL *result)
GpStatus WINGDIPAPI	GdipStartPathFigure (GpPath *path)
GpStatus WINGDIPAPI	GdipResetPath (GpPath *path)
GpStatus WINGDIPAPI	GdipSetPathFillMode (GpPath *path, GpFillMode fill)
GpStatus WINGDIPAPI	GdipTransformPath (GpPath *path, GpMatrix *matrix)
GpStatus WINGDIPAPI	GdipWarpPath (GpPath *path, GpMatrix *matrix, GDIPCONST GpPointF *points, INT count, REAL x, REAL y, REAL width, REAL height, WarpMode warpmode, REAL flatness)
static void	add_bevel_point (const GpPointF *endpoint, const GpPointF *nextpoint, GpPen *pen, int right_side, path_list_node_t **last_point)
static void	widen_joint (const GpPointF *p1, const GpPointF *p2, const GpPointF *p3, GpPen *pen, path_list_node_t **last_point)
static void	widen_cap (const GpPointF *endpoint, const GpPointF *nextpoint, GpPen *pen, GpLineCap cap, GpCustomLineCap *custom, int add_first_points, int add_last_point, path_list_node_t **last_point)
static void	widen_open_figure (const GpPointF *points, GpPen *pen, int start, int end, GpLineCap start_cap, GpCustomLineCap *start_custom, GpLineCap end_cap, GpCustomLineCap *end_custom, path_list_node_t **last_point)
static void	widen_closed_figure (GpPath *path, GpPen *pen, int start, int end, path_list_node_t **last_point)
static void	widen_dashed_figure (GpPath *path, GpPen *pen, int start, int end, int closed, path_list_node_t **last_point)
GpStatus WINGDIPAPI	GdipWidenPath (GpPath *path, GpPen *pen, GpMatrix *matrix, REAL flatness)
GpStatus WINGDIPAPI	GdipAddPathRectangle (GpPath *path, REAL x, REAL y, REAL width, REAL height)
GpStatus WINGDIPAPI	GdipAddPathRectangleI (GpPath *path, INT x, INT y, INT width, INT height)
GpStatus WINGDIPAPI	GdipAddPathRectangles (GpPath *path, GDIPCONST GpRectF *rects, INT count)
GpStatus WINGDIPAPI	GdipAddPathRectanglesI (GpPath *path, GDIPCONST GpRect *rects, INT count)
GpStatus WINGDIPAPI	GdipSetPathMarker (GpPath *path)
GpStatus WINGDIPAPI	GdipClearPathMarkers (GpPath *path)
GpStatus WINGDIPAPI	GdipWindingModeOutline (GpPath *path, GpMatrix *matrix, REAL flatness)
static BOOL	is_integer_path (const GpPath *path)
DWORD	write_path_data (GpPath *path, void *data)

Macro Definition Documentation

FLAGS_INTPATH

#define FLAGS_INTPATH   0x4000

Definition at line 2464 of file graphicspath.c.

Typedef Documentation

path_list_node_t

typedef struct path_list_node_t path_list_node_t

Definition at line 36 of file graphicspath.c.

Function Documentation

add_bevel_point()

static void add_bevel_point ( const GpPointF *  endpoint, const GpPointF *  nextpoint, GpPen *  pen, int  right_side, path_list_node_t **  last_point  )

static

Definition at line 1806 of file graphicspath.c.

{
    REAL segment_dy = nextpoint->Y-endpoint->Y;
    REAL segment_dx = nextpoint->X-endpoint->X;
    REAL segment_length = sqrtf(segment_dy*segment_dy + segment_dx*segment_dx);
    REAL distance = pen->width/2.0;
    REAL bevel_dx, bevel_dy;

    if (segment_length == 0.0)
    {
        *last_point = add_path_list_node(*last_point, endpoint->X,
            endpoint->Y, PathPointTypeLine);
        return;
    }

    if (right_side)
    {
        bevel_dx = -distance * segment_dy / segment_length;
        bevel_dy = distance * segment_dx / segment_length;
    }
    else
    {
        bevel_dx = distance * segment_dy / segment_length;
        bevel_dy = -distance * segment_dx / segment_length;
    }

    *last_point = add_path_list_node(*last_point, endpoint->X + bevel_dx,
        endpoint->Y + bevel_dy, PathPointTypeLine);
}

Referenced by widen_cap(), and widen_joint().

add_path_list_node()

static path_list_node_t* add_path_list_node ( path_list_node_t *  node, REAL  x, REAL  y, BOOL  type  )

static

Definition at line 76 of file graphicspath.c.

{
    path_list_node_t *new;

    new = heap_alloc_zero(sizeof(path_list_node_t));
    if(!new)
        return NULL;

    new->pt.X  = x;
    new->pt.Y  = y;
    new->type  = type;
    new->next  = node->next;
    node->next = new;

    return new;
}

Referenced by add_bevel_point(), flatten_bezier(), GdipFlattenPath(), widen_cap(), and widen_joint().

flatten_bezier()

static BOOL flatten_bezier ( path_list_node_t *  start, REAL  x2, REAL  y2, REAL  x3, REAL  y3, path_list_node_t *  end, REAL  flatness  )

static

Definition at line 121 of file graphicspath.c.

{
    /* this 5 middle points with start/end define to half-curves */
    GpPointF mp[5];
    GpPointF pt, pt_st;
    path_list_node_t *node;

    /* calculate bezier curve middle points == new control points */
    mp[0].X = (start->pt.X + x2) / 2.0;
    mp[0].Y = (start->pt.Y + y2) / 2.0;
    /* middle point between control points */
    pt.X = (x2 + x3) / 2.0;
    pt.Y = (y2 + y3) / 2.0;
    mp[1].X = (mp[0].X + pt.X) / 2.0;
    mp[1].Y = (mp[0].Y + pt.Y) / 2.0;
    mp[4].X = (end->pt.X + x3) / 2.0;
    mp[4].Y = (end->pt.Y + y3) / 2.0;
    mp[3].X = (mp[4].X + pt.X) / 2.0;
    mp[3].Y = (mp[4].Y + pt.Y) / 2.0;

    mp[2].X = (mp[1].X + mp[3].X) / 2.0;
    mp[2].Y = (mp[1].Y + mp[3].Y) / 2.0;

    if ((x2 == mp[0].X && y2 == mp[0].Y && x3 == mp[1].X && y3 == mp[1].Y) ||
        (x2 == mp[3].X && y2 == mp[3].Y && x3 == mp[4].X && y3 == mp[4].Y))
        return TRUE;

    pt = end->pt;
    pt_st = start->pt;
    /* check flatness as a half of distance between middle point and a linearized path */
    if(fabs(((pt.Y - pt_st.Y)*mp[2].X + (pt_st.X - pt.X)*mp[2].Y +
        (pt_st.Y*pt.X - pt_st.X*pt.Y))) <=
        (0.5 * flatness*sqrtf((powf(pt.Y - pt_st.Y, 2.0) + powf(pt_st.X - pt.X, 2.0))))){
        return TRUE;
    }
    else
        /* add a middle point */
        if(!(node = add_path_list_node(start, mp[2].X, mp[2].Y, PathPointTypeLine)))
            return FALSE;

    /* do the same with halves */
    flatten_bezier(start, mp[0].X, mp[0].Y, mp[1].X, mp[1].Y, node, flatness);
    flatten_bezier(node,  mp[3].X, mp[3].Y, mp[4].X, mp[4].Y, end,  flatness);

    return TRUE;
}

Referenced by GdipFlattenPath().

format_string_callback()

static GpStatus format_string_callback ( HDC  dc, GDIPCONST WCHAR *  string, INT  index, INT  length, GDIPCONST GpFont *  font, GDIPCONST RectF *  rect, GDIPCONST GpStringFormat *  format, INT  lineno, const RectF *  bounds, INT *  underlined_indexes, INT  underlined_index_count, void *  priv  )

static

Definition at line 912 of file graphicspath.c.

{
    static const MAT2 identity = { {0,1}, {0,0}, {0,0}, {0,1} };
    struct format_string_args *args = priv;
    GpPath *path = args->path;
    GpStatus status = Ok;
    float x = rect->X + (bounds->X - rect->X) * args->scale;
    float y = rect->Y + (bounds->Y - rect->Y) * args->scale;
    int i;

    if (underlined_index_count)
        FIXME("hotkey underlines not drawn yet\n");

    if (y + bounds->Height * args->scale > args->maxY)
        args->maxY = y + bounds->Height * args->scale;

    for (i = index; i < length; ++i)
    {
        GLYPHMETRICS gm;
        TTPOLYGONHEADER *ph = NULL, *origph;
        char *start;
        DWORD len, ofs = 0;
        len = GetGlyphOutlineW(dc, string[i], GGO_BEZIER, &gm, 0, NULL, &identity);
        if (len == GDI_ERROR)
        {
            status = GenericError;
            break;
        }
        origph = ph = heap_alloc_zero(len);
        start = (char *)ph;
        if (!ph || !lengthen_path(path, len / sizeof(POINTFX)))
        {
            heap_free(ph);
            status = OutOfMemory;
            break;
        }
        GetGlyphOutlineW(dc, string[i], GGO_BEZIER, &gm, len, start, &identity);

        ofs = 0;
        while (ofs < len)
        {
            DWORD ofs_start = ofs;
            ph = (TTPOLYGONHEADER*)&start[ofs];
            path->pathdata.Types[path->pathdata.Count] = PathPointTypeStart;
            path->pathdata.Points[path->pathdata.Count].X = x + fromfixedpoint(ph->pfxStart.x) * args->scale;
            path->pathdata.Points[path->pathdata.Count++].Y = y + args->ascent - fromfixedpoint(ph->pfxStart.y) * args->scale;
            TRACE("Starting at count %i with pos %f, %f)\n", path->pathdata.Count, x, y);
            ofs += sizeof(*ph);
            while (ofs - ofs_start < ph->cb)
            {
                TTPOLYCURVE *curve = (TTPOLYCURVE*)&start[ofs];
                int j;
                ofs += sizeof(TTPOLYCURVE) + (curve->cpfx - 1) * sizeof(POINTFX);

                switch (curve->wType)
                {
                case TT_PRIM_LINE:
                    for (j = 0; j < curve->cpfx; ++j)
                    {
                        path->pathdata.Types[path->pathdata.Count] = PathPointTypeLine;
                        path->pathdata.Points[path->pathdata.Count].X = x + fromfixedpoint(curve->apfx[j].x) * args->scale;
                        path->pathdata.Points[path->pathdata.Count++].Y = y + args->ascent - fromfixedpoint(curve->apfx[j].y) * args->scale;
                    }
                    break;
                case TT_PRIM_CSPLINE:
                    for (j = 0; j < curve->cpfx; ++j)
                    {
                        path->pathdata.Types[path->pathdata.Count] = PathPointTypeBezier;
                        path->pathdata.Points[path->pathdata.Count].X = x + fromfixedpoint(curve->apfx[j].x) * args->scale;
                        path->pathdata.Points[path->pathdata.Count++].Y = y + args->ascent - fromfixedpoint(curve->apfx[j].y) * args->scale;
                    }
                    break;
                default:
                    ERR("Unhandled type: %u\n", curve->wType);
                    status = GenericError;
                }
            }
            path->pathdata.Types[path->pathdata.Count - 1] |= PathPointTypeCloseSubpath;
        }
        path->newfigure = TRUE;
        x += gm.gmCellIncX * args->scale;
        y += gm.gmCellIncY * args->scale;

        heap_free(origph);
        if (status != Ok)
            break;
    }

    return status;
}

Referenced by GdipAddPathString().

free_path_list()

static void free_path_list ( path_list_node_t *  node )

static

Definition at line 59 of file graphicspath.c.

{
    path_list_node_t *n = node;

    while(n){
        n = n->next;
        heap_free(node);
        node = n;
    }
}

Referenced by GdipFlattenPath(), and GdipWidenPath().

fromfixedpoint()

static float fromfixedpoint ( const FIXED  v )

static

Definition at line 897 of file graphicspath.c.

{
    float f = ((float)v.fract) / (1<<(sizeof(v.fract)*8));
    f += v.value;
    return f;
}

Referenced by format_string_callback().

GdipAddPathArc()

GpStatus WINGDIPAPI GdipAddPathArc	(	GpPath *	path,
		REAL	x1,
		REAL	y1,
		REAL	x2,
		REAL	y2,
		REAL	startAngle,
		REAL	sweepAngle
	)

Definition at line 195 of file graphicspath.c.

{
    INT count, old_count, i;

    TRACE("(%p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n",
          path, x1, y1, x2, y2, startAngle, sweepAngle);

    if(!path)
        return InvalidParameter;

    count = arc2polybezier(NULL, x1, y1, x2, y2, startAngle, sweepAngle);

    if(count == 0)
        return Ok;
    if(!lengthen_path(path, count))
        return OutOfMemory;

    old_count = path->pathdata.Count;
    arc2polybezier(&path->pathdata.Points[old_count], x1, y1, x2, y2,
                   startAngle, sweepAngle);

    for(i = 0; i < count; i++){
        path->pathdata.Types[old_count + i] = PathPointTypeBezier;
    }

    path->pathdata.Types[old_count] =
        (path->newfigure ? PathPointTypeStart : PathPointTypeLine);
    path->newfigure = FALSE;
    path->pathdata.Count += count;

    return Ok;
}

Referenced by GdipAddPathArcI(), GdipDrawArc(), test_arc(), test_flatten(), test_getregiondata(), test_linei(), test_pathpath(), and test_worldbounds().

GdipAddPathArcI()

GpStatus WINGDIPAPI GdipAddPathArcI	(	GpPath *	path,
		INT	x1,
		INT	y1,
		INT	x2,
		INT	y2,
		REAL	startAngle,
		REAL	sweepAngle
	)

Definition at line 234 of file graphicspath.c.

{
    TRACE("(%p, %d, %d, %d, %d, %.2f, %.2f)\n",
          path, x1, y1, x2, y2, startAngle, sweepAngle);

    return GdipAddPathArc(path,(REAL)x1,(REAL)y1,(REAL)x2,(REAL)y2,startAngle,sweepAngle);
}

GdipAddPathBezier()

GpStatus WINGDIPAPI GdipAddPathBezier	(	GpPath *	path,
		REAL	x1,
		REAL	y1,
		REAL	x2,
		REAL	y2,
		REAL	x3,
		REAL	y3,
		REAL	x4,
		REAL	y4
	)

Definition at line 243 of file graphicspath.c.

{
    INT old_count;

    TRACE("(%p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n",
          path, x1, y1, x2, y2, x3, y3, x4, y4);

    if(!path)
        return InvalidParameter;

    if(!lengthen_path(path, 4))
        return OutOfMemory;

    old_count = path->pathdata.Count;

    path->pathdata.Points[old_count].X = x1;
    path->pathdata.Points[old_count].Y = y1;
    path->pathdata.Points[old_count + 1].X = x2;
    path->pathdata.Points[old_count + 1].Y = y2;
    path->pathdata.Points[old_count + 2].X = x3;
    path->pathdata.Points[old_count + 2].Y = y3;
    path->pathdata.Points[old_count + 3].X = x4;
    path->pathdata.Points[old_count + 3].Y = y4;

    path->pathdata.Types[old_count] =
        (path->newfigure ? PathPointTypeStart : PathPointTypeLine);
    path->pathdata.Types[old_count + 1] = PathPointTypeBezier;
    path->pathdata.Types[old_count + 2] = PathPointTypeBezier;
    path->pathdata.Types[old_count + 3] = PathPointTypeBezier;

    path->newfigure = FALSE;
    path->pathdata.Count += 4;

    return Ok;
}

Referenced by GdipAddPathBezierI().

GdipAddPathBezierI()

GpStatus WINGDIPAPI GdipAddPathBezierI	(	GpPath *	path,
		INT	x1,
		INT	y1,
		INT	x2,
		INT	y2,
		INT	x3,
		INT	y3,
		INT	x4,
		INT	y4
	)

Definition at line 280 of file graphicspath.c.

{
    TRACE("(%p, %d, %d, %d, %d, %d, %d, %d, %d)\n",
          path, x1, y1, x2, y2, x3, y3, x4, y4);

    return GdipAddPathBezier(path,(REAL)x1,(REAL)y1,(REAL)x2,(REAL)y2,(REAL)x3,(REAL)y3,
                                  (REAL)x4,(REAL)y4);
}

GdipAddPathBeziers()

GpStatus WINGDIPAPI GdipAddPathBeziers	(	GpPath *	path,
		GDIPCONST GpPointF *	points,
		INT	count
	)

Definition at line 290 of file graphicspath.c.

{
    INT i, old_count;

    TRACE("(%p, %p, %d)\n", path, points, count);

    if(!path || !points || ((count - 1) % 3))
        return InvalidParameter;

    if(!lengthen_path(path, count))
        return OutOfMemory;

    old_count = path->pathdata.Count;

    for(i = 0; i < count; i++){
        path->pathdata.Points[old_count + i].X = points[i].X;
        path->pathdata.Points[old_count + i].Y = points[i].Y;
        path->pathdata.Types[old_count + i] = PathPointTypeBezier;
    }

    path->pathdata.Types[old_count] =
        (path->newfigure ? PathPointTypeStart : PathPointTypeLine);
    path->newfigure = FALSE;
    path->pathdata.Count += count;

    return Ok;
}

Referenced by GdipAddPathBeziersI(), GdipAddPathClosedCurve2(), GdipAddPathCurve2(), and GdipDrawBeziers().

GdipAddPathBeziersI()

GpStatus WINGDIPAPI GdipAddPathBeziersI	(	GpPath *	path,
		GDIPCONST GpPoint *	points,
		INT	count
	)

Definition at line 319 of file graphicspath.c.

{
    GpPointF *ptsF;
    GpStatus ret;
    INT i;

    TRACE("(%p, %p, %d)\n", path, points, count);

    if(!points || ((count - 1) % 3))
        return InvalidParameter;

    ptsF = heap_alloc_zero(sizeof(GpPointF) * count);
    if(!ptsF)
        return OutOfMemory;

    for(i = 0; i < count; i++){
        ptsF[i].X = (REAL)points[i].X;
        ptsF[i].Y = (REAL)points[i].Y;
    }

    ret = GdipAddPathBeziers(path, ptsF, count);
    heap_free(ptsF);

    return ret;
}

GdipAddPathClosedCurve()

GpStatus WINGDIPAPI GdipAddPathClosedCurve	(	GpPath *	path,
		GDIPCONST GpPointF *	points,
		INT	count
	)

Definition at line 346 of file graphicspath.c.

{
    TRACE("(%p, %p, %d)\n", path, points, count);

    return GdipAddPathClosedCurve2(path, points, count, 1.0);
}

GdipAddPathClosedCurve2()

GpStatus WINGDIPAPI GdipAddPathClosedCurve2	(	GpPath *	path,
		GDIPCONST GpPointF *	points,
		INT	count,
		REAL	tension
	)

Definition at line 362 of file graphicspath.c.

{
    INT i, len_pt = (count + 1)*3-2;
    GpPointF *pt;
    GpPointF *pts;
    REAL x1, x2, y1, y2;
    GpStatus stat;

    TRACE("(%p, %p, %d, %.2f)\n", path, points, count, tension);

    if(!path || !points || count <= 1)
        return InvalidParameter;

    pt = heap_alloc_zero(len_pt * sizeof(GpPointF));
    pts = heap_alloc_zero((count + 1)*sizeof(GpPointF));
    if(!pt || !pts){
        heap_free(pt);
        heap_free(pts);
        return OutOfMemory;
    }

    /* copy source points to extend with the last one */
    memcpy(pts, points, sizeof(GpPointF)*count);
    pts[count] = pts[0];

    tension = tension * TENSION_CONST;

    for(i = 0; i < count-1; i++){
        calc_curve_bezier(&(pts[i]), tension, &x1, &y1, &x2, &y2);

        pt[3*i+2].X = x1;
        pt[3*i+2].Y = y1;
        pt[3*i+3].X = pts[i+1].X;
        pt[3*i+3].Y = pts[i+1].Y;
        pt[3*i+4].X = x2;
        pt[3*i+4].Y = y2;
    }

    /* points [len_pt-2] and [0] are calculated
       separately to connect splines properly */
    pts[0] = points[count-1];
    pts[1] = points[0]; /* equals to start and end of a resulting path */
    pts[2] = points[1];

    calc_curve_bezier(pts, tension, &x1, &y1, &x2, &y2);
    pt[len_pt-2].X = x1;
    pt[len_pt-2].Y = y1;
    pt[0].X = pts[1].X;
    pt[0].Y = pts[1].Y;
    pt[1].X = x2;
    pt[1].Y = y2;
    /* close path */
    pt[len_pt-1].X = pt[0].X;
    pt[len_pt-1].Y = pt[0].Y;

    stat = GdipAddPathBeziers(path, pt, len_pt);

    /* close figure */
    if(stat == Ok){
        path->pathdata.Types[path->pathdata.Count - 1] |= PathPointTypeCloseSubpath;
        path->newfigure = TRUE;
    }

    heap_free(pts);
    heap_free(pt);

    return stat;
}

Referenced by GdipAddPathClosedCurve(), GdipAddPathClosedCurve2I(), GdipDrawClosedCurve2(), GdipFillClosedCurve2(), and test_addclosedcurve().

GdipAddPathClosedCurve2I()

GpStatus WINGDIPAPI GdipAddPathClosedCurve2I	(	GpPath *	path,
		GDIPCONST GpPoint *	points,
		INT	count,
		REAL	tension
	)

Definition at line 432 of file graphicspath.c.

{
    GpPointF *ptf;
    INT i;
    GpStatus stat;

    TRACE("(%p, %p, %d, %.2f)\n", path, points, count, tension);

    if(!path || !points || count <= 1)
        return InvalidParameter;

    ptf = heap_alloc_zero(sizeof(GpPointF)*count);
    if(!ptf)
        return OutOfMemory;

    for(i = 0; i < count; i++){
        ptf[i].X = (REAL)points[i].X;
        ptf[i].Y = (REAL)points[i].Y;
    }

    stat = GdipAddPathClosedCurve2(path, ptf, count, tension);

    heap_free(ptf);

    return stat;
}

Referenced by GdipAddPathClosedCurveI().

GdipAddPathClosedCurveI()

GpStatus WINGDIPAPI GdipAddPathClosedCurveI	(	GpPath *	path,
		GDIPCONST GpPoint *	points,
		INT	count
	)

Definition at line 354 of file graphicspath.c.

{
    TRACE("(%p, %p, %d)\n", path, points, count);

    return GdipAddPathClosedCurve2I(path, points, count, 1.0);
}

GdipAddPathCurve()

GpStatus WINGDIPAPI GdipAddPathCurve	(	GpPath *	path,
		GDIPCONST GpPointF *	points,
		INT	count
	)

Definition at line 460 of file graphicspath.c.

{
    TRACE("(%p, %p, %d)\n", path, points, count);

    if(!path || !points || count <= 1)
        return InvalidParameter;

    return GdipAddPathCurve2(path, points, count, 1.0);
}

GdipAddPathCurve2()

GpStatus WINGDIPAPI GdipAddPathCurve2	(	GpPath *	path,
		GDIPCONST GpPointF *	points,
		INT	count,
		REAL	tension
	)

Definition at line 480 of file graphicspath.c.

{
    INT i, len_pt = count*3-2;
    GpPointF *pt;
    REAL x1, x2, y1, y2;
    GpStatus stat;

    TRACE("(%p, %p, %d, %.2f)\n", path, points, count, tension);

    if(!path || !points || count <= 1)
        return InvalidParameter;

    pt = heap_alloc_zero(len_pt * sizeof(GpPointF));
    if(!pt)
        return OutOfMemory;

    tension = tension * TENSION_CONST;

    calc_curve_bezier_endp(points[0].X, points[0].Y, points[1].X, points[1].Y,
        tension, &x1, &y1);

    pt[0].X = points[0].X;
    pt[0].Y = points[0].Y;
    pt[1].X = x1;
    pt[1].Y = y1;

    for(i = 0; i < count-2; i++){
        calc_curve_bezier(&(points[i]), tension, &x1, &y1, &x2, &y2);

        pt[3*i+2].X = x1;
        pt[3*i+2].Y = y1;
        pt[3*i+3].X = points[i+1].X;
        pt[3*i+3].Y = points[i+1].Y;
        pt[3*i+4].X = x2;
        pt[3*i+4].Y = y2;
    }

    calc_curve_bezier_endp(points[count-1].X, points[count-1].Y,
        points[count-2].X, points[count-2].Y, tension, &x1, &y1);

    pt[len_pt-2].X = x1;
    pt[len_pt-2].Y = y1;
    pt[len_pt-1].X = points[count-1].X;
    pt[len_pt-1].Y = points[count-1].Y;

    stat = GdipAddPathBeziers(path, pt, len_pt);

    heap_free(pt);

    return stat;
}

Referenced by GdipAddPathCurve(), GdipAddPathCurve2I(), GdipAddPathCurve3(), GdipDrawCurve2(), and test_addcurve().

GdipAddPathCurve2I()

GpStatus WINGDIPAPI GdipAddPathCurve2I	(	GpPath *	path,
		GDIPCONST GpPoint *	points,
		INT	count,
		REAL	tension
	)

Definition at line 533 of file graphicspath.c.

{
    GpPointF *ptf;
    INT i;
    GpStatus stat;

    TRACE("(%p, %p, %d, %.2f)\n", path, points, count, tension);

    if(!path || !points || count <= 1)
        return InvalidParameter;

    ptf = heap_alloc_zero(sizeof(GpPointF)*count);
    if(!ptf)
        return OutOfMemory;

    for(i = 0; i < count; i++){
        ptf[i].X = (REAL)points[i].X;
        ptf[i].Y = (REAL)points[i].Y;
    }

    stat = GdipAddPathCurve2(path, ptf, count, tension);

    heap_free(ptf);

    return stat;
}

Referenced by GdipAddPathCurve3I(), and GdipAddPathCurveI().

GdipAddPathCurve3()

GpStatus WINGDIPAPI GdipAddPathCurve3	(	GpPath *	path,
		GDIPCONST GpPointF *	points,
		INT	count,
		INT	offset,
		INT	nseg,
		REAL	tension
	)

Definition at line 561 of file graphicspath.c.

{
    TRACE("(%p, %p, %d, %d, %d, %.2f)\n", path, points, count, offset, nseg, tension);

    if(!path || !points || offset + 1 >= count || count - offset < nseg + 1)
        return InvalidParameter;

    return GdipAddPathCurve2(path, &points[offset], nseg + 1, tension);
}

Referenced by test_addcurve().

GdipAddPathCurve3I()

GpStatus WINGDIPAPI GdipAddPathCurve3I	(	GpPath *	path,
		GDIPCONST GpPoint *	points,
		INT	count,
		INT	offset,
		INT	nseg,
		REAL	tension
	)

Definition at line 572 of file graphicspath.c.

{
    TRACE("(%p, %p, %d, %d, %d, %.2f)\n", path, points, count, offset, nseg, tension);

    if(!path || !points || offset + 1 >= count || count - offset < nseg + 1)
        return InvalidParameter;

    return GdipAddPathCurve2I(path, &points[offset], nseg + 1, tension);
}

GdipAddPathCurveI()

GpStatus WINGDIPAPI GdipAddPathCurveI	(	GpPath *	path,
		GDIPCONST GpPoint *	points,
		INT	count
	)

Definition at line 470 of file graphicspath.c.

{
    TRACE("(%p, %p, %d)\n", path, points, count);

    if(!path || !points || count <= 1)
        return InvalidParameter;

    return GdipAddPathCurve2I(path, points, count, 1.0);
}

GdipAddPathEllipse()

GpStatus WINGDIPAPI GdipAddPathEllipse	(	GpPath *	path,
		REAL	x,
		REAL	y,
		REAL	width,
		REAL	height
	)

Definition at line 583 of file graphicspath.c.

{
    INT old_count, numpts;

    TRACE("(%p, %.2f, %.2f, %.2f, %.2f)\n", path, x, y, width, height);

    if(!path)
        return InvalidParameter;

    if(!lengthen_path(path, MAX_ARC_PTS))
        return OutOfMemory;

    old_count = path->pathdata.Count;
    if((numpts = arc2polybezier(&path->pathdata.Points[old_count],  x, y, width,
                               height, 0.0, 360.0)) != MAX_ARC_PTS){
        ERR("expected %d points but got %d\n", MAX_ARC_PTS, numpts);
        return GenericError;
    }

    memset(&path->pathdata.Types[old_count + 1], PathPointTypeBezier,
           MAX_ARC_PTS - 1);

    /* An ellipse is an intrinsic figure (always is its own subpath). */
    path->pathdata.Types[old_count] = PathPointTypeStart;
    path->pathdata.Types[old_count + MAX_ARC_PTS - 1] |= PathPointTypeCloseSubpath;
    path->newfigure = TRUE;
    path->pathdata.Count += MAX_ARC_PTS;

    return Ok;
}

Referenced by GdipAddPathEllipseI(), GdipDrawEllipse(), GdipFillEllipse(), test_combinereplace(), test_ellipse(), test_flatten(), test_hascurve(), test_isvisiblepoint(), test_isvisiblerect(), test_nextpathtype(), test_transform(), and test_translate().

GdipAddPathEllipseI()

GpStatus WINGDIPAPI GdipAddPathEllipseI	(	GpPath *	path,
		INT	x,
		INT	y,
		INT	width,
		INT	height
	)

Definition at line 615 of file graphicspath.c.

{
    TRACE("(%p, %d, %d, %d, %d)\n", path, x, y, width, height);

    return GdipAddPathEllipse(path,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
}

GdipAddPathLine()

GpStatus WINGDIPAPI GdipAddPathLine	(	GpPath *	path,
		REAL	x1,
		REAL	y1,
		REAL	x2,
		REAL	y2
	)

Definition at line 704 of file graphicspath.c.

{
    INT old_count;

    TRACE("(%p, %.2f, %.2f, %.2f, %.2f)\n", path, x1, y1, x2, y2);

    if(!path)
        return InvalidParameter;

    if(!lengthen_path(path, 2))
        return OutOfMemory;

    old_count = path->pathdata.Count;

    path->pathdata.Points[old_count].X = x1;
    path->pathdata.Points[old_count].Y = y1;
    path->pathdata.Points[old_count + 1].X = x2;
    path->pathdata.Points[old_count + 1].Y = y2;

    path->pathdata.Types[old_count] =
        (path->newfigure ? PathPointTypeStart : PathPointTypeLine);
    path->pathdata.Types[old_count + 1] = PathPointTypeLine;

    path->newfigure = FALSE;
    path->pathdata.Count += 2;

    return Ok;
}

Referenced by GdipAddPathLineI(), GdipAddPathPie(), GdipAddPathRectangle(), test_addcurve(), test_drawpath(), test_fillpath(), test_flatten(), test_getpathdata(), test_getregiondata(), test_getsubpathcount(), test_isvalid(), test_nextmarker(), test_nextmarkerpath(), test_nextpathtype(), test_nextsubpathpath(), test_pen_thickness(), test_polygon(), and test_widen().

GdipAddPathLine2()

GpStatus WINGDIPAPI GdipAddPathLine2	(	GpPath *	path,
		GDIPCONST GpPointF *	points,
		INT	count
	)

Definition at line 623 of file graphicspath.c.

{
    INT i, old_count;

    TRACE("(%p, %p, %d)\n", path, points, count);

    if(!path || !points)
        return InvalidParameter;

    if(!lengthen_path(path, count))
        return OutOfMemory;

    old_count = path->pathdata.Count;

    for(i = 0; i < count; i++){
        path->pathdata.Points[old_count + i].X = points[i].X;
        path->pathdata.Points[old_count + i].Y = points[i].Y;
        path->pathdata.Types[old_count + i] = PathPointTypeLine;
    }

    if(path->newfigure){
        path->pathdata.Types[old_count] = PathPointTypeStart;
        path->newfigure = FALSE;
    }

    path->pathdata.Count += count;

    return Ok;
}

Referenced by GdipAddPathLine2I(), GdipAddPathRectangle(), GdipCreatePathGradient(), GdipDrawLines(), test_ellipse(), test_line2(), test_reverse(), and test_worldbounds().

GdipAddPathLine2I()

GpStatus WINGDIPAPI GdipAddPathLine2I	(	GpPath *	path,
		GDIPCONST GpPoint *	points,
		INT	count
	)

Definition at line 654 of file graphicspath.c.

{
    GpPointF *pointsF;
    INT i;
    GpStatus stat;

    TRACE("(%p, %p, %d)\n", path, points, count);

    if(count <= 0)
        return InvalidParameter;

    pointsF = heap_alloc_zero(sizeof(GpPointF) * count);
    if(!pointsF)    return OutOfMemory;

    for(i = 0;i < count; i++){
        pointsF[i].X = (REAL)points[i].X;
        pointsF[i].Y = (REAL)points[i].Y;
    }

    stat = GdipAddPathLine2(path, pointsF, count);

    heap_free(pointsF);

    return stat;
}

Referenced by GdipCreatePathGradientI().

GdipAddPathLineI()

GpStatus WINGDIPAPI GdipAddPathLineI	(	GpPath *	path,
		INT	x1,
		INT	y1,
		INT	x2,
		INT	y2
	)

Definition at line 738 of file graphicspath.c.

{
    TRACE("(%p, %d, %d, %d, %d)\n", path, x1, y1, x2, y2);

    return GdipAddPathLine(path, (REAL)x1, (REAL)y1, (REAL)x2, (REAL)y2);
}

Referenced by test_GdipFillPath(), and test_linei().

GdipAddPathPath()

GpStatus WINGDIPAPI GdipAddPathPath	(	GpPath *	path,
		GDIPCONST GpPath *	addingPath,
		BOOL	connect
	)

Definition at line 745 of file graphicspath.c.

{
    INT old_count, count;

    TRACE("(%p, %p, %d)\n", path, addingPath, connect);

    if(!path || !addingPath)
        return InvalidParameter;

    old_count = path->pathdata.Count;
    count = addingPath->pathdata.Count;

    if(!lengthen_path(path, count))
        return OutOfMemory;

    memcpy(&path->pathdata.Points[old_count], addingPath->pathdata.Points,
           count * sizeof(GpPointF));
    memcpy(&path->pathdata.Types[old_count], addingPath->pathdata.Types, count);

    if(path->newfigure || !connect)
        path->pathdata.Types[old_count] = PathPointTypeStart;
    else
        path->pathdata.Types[old_count] = PathPointTypeLine;

    path->newfigure = FALSE;
    path->pathdata.Count += count;

    return Ok;
}

Referenced by test_pathpath().

GdipAddPathPie()

GpStatus WINGDIPAPI GdipAddPathPie	(	GpPath *	path,
		REAL	x,
		REAL	y,
		REAL	width,
		REAL	height,
		REAL	startAngle,
		REAL	sweepAngle
	)

Definition at line 776 of file graphicspath.c.

{
    GpPointF *ptf;
    GpStatus status;
    INT i, count;

    TRACE("(%p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n",
          path, x, y, width, height, startAngle, sweepAngle);

    if(!path)
        return InvalidParameter;

    /* on zero width/height only start point added */
    if(width <= 1e-7 || height <= 1e-7){
        if(!lengthen_path(path, 1))
            return OutOfMemory;
        path->pathdata.Points[0].X = x + width  / 2.0;
        path->pathdata.Points[0].Y = y + height / 2.0;
        path->pathdata.Types[0] = PathPointTypeStart | PathPointTypeCloseSubpath;
        path->pathdata.Count = 1;
        return InvalidParameter;
    }

    count = arc2polybezier(NULL, x, y, width, height, startAngle, sweepAngle);

    if(count == 0)
        return Ok;

    ptf = heap_alloc_zero(sizeof(GpPointF)*count);
    if(!ptf)
        return OutOfMemory;

    arc2polybezier(ptf, x, y, width, height, startAngle, sweepAngle);

    status = GdipAddPathLine(path, x + width/2, y + height/2, ptf[0].X, ptf[0].Y);
    if(status != Ok){
        heap_free(ptf);
        return status;
    }
    /* one spline is already added as a line endpoint */
    if(!lengthen_path(path, count - 1)){
        heap_free(ptf);
        return OutOfMemory;
    }

    memcpy(&(path->pathdata.Points[path->pathdata.Count]), &(ptf[1]),sizeof(GpPointF)*(count-1));
    for(i = 0; i < count-1; i++)
        path->pathdata.Types[path->pathdata.Count+i] = PathPointTypeBezier;

    path->pathdata.Count += count-1;

    GdipClosePathFigure(path);

    heap_free(ptf);

    return status;
}

Referenced by GdipAddPathPieI(), GdipDrawPie(), GdipFillPie(), and test_addpie().

GdipAddPathPieI()

GpStatus WINGDIPAPI GdipAddPathPieI	(	GpPath *	path,
		INT	x,
		INT	y,
		INT	width,
		INT	height,
		REAL	startAngle,
		REAL	sweepAngle
	)

Definition at line 835 of file graphicspath.c.

{
    TRACE("(%p, %d, %d, %d, %d, %.2f, %.2f)\n",
          path, x, y, width, height, startAngle, sweepAngle);

    return GdipAddPathPie(path, (REAL)x, (REAL)y, (REAL)width, (REAL)height, startAngle, sweepAngle);
}

GdipAddPathPolygon()

GpStatus WINGDIPAPI GdipAddPathPolygon	(	GpPath *	path,
		GDIPCONST GpPointF *	points,
		INT	count
	)

Definition at line 844 of file graphicspath.c.

{
    INT old_count;

    TRACE("(%p, %p, %d)\n", path, points, count);

    if(!path || !points || count < 3)
        return InvalidParameter;

    if(!lengthen_path(path, count))
        return OutOfMemory;

    old_count = path->pathdata.Count;

    memcpy(&path->pathdata.Points[old_count], points, count*sizeof(GpPointF));
    memset(&path->pathdata.Types[old_count + 1], PathPointTypeLine, count - 1);

    /* A polygon is an intrinsic figure */
    path->pathdata.Types[old_count] = PathPointTypeStart;
    path->pathdata.Types[old_count + count - 1] |= PathPointTypeCloseSubpath;
    path->newfigure = TRUE;
    path->pathdata.Count += count;

    return Ok;
}

Referenced by GdipAddPathPolygonI(), GdipDrawPolygon(), GdipEnumerateMetafileSrcRectDestPoints(), GdipFillPolygon(), and test_polygon().

GdipAddPathPolygonI()

GpStatus WINGDIPAPI GdipAddPathPolygonI	(	GpPath *	path,
		GDIPCONST GpPoint *	points,
		INT	count
	)

Definition at line 870 of file graphicspath.c.

{
    GpPointF *ptf;
    GpStatus status;
    INT i;

    TRACE("(%p, %p, %d)\n", path, points, count);

    if(!points || count < 3)
        return InvalidParameter;

    ptf = heap_alloc_zero(sizeof(GpPointF) * count);
    if(!ptf)
        return OutOfMemory;

    for(i = 0; i < count; i++){
        ptf[i].X = (REAL)points[i].X;
        ptf[i].Y = (REAL)points[i].Y;
    }

    status = GdipAddPathPolygon(path, ptf, count);

    heap_free(ptf);

    return status;
}

Referenced by GdipFillPolygonI().

GdipAddPathRectangle()

GpStatus WINGDIPAPI GdipAddPathRectangle	(	GpPath *	path,
		REAL	x,
		REAL	y,
		REAL	width,
		REAL	height
	)

Definition at line 2296 of file graphicspath.c.

{
    GpPath *backup;
    GpPointF ptf[2];
    GpStatus retstat;
    BOOL old_new;

    TRACE("(%p, %.2f, %.2f, %.2f, %.2f)\n", path, x, y, width, height);

    if(!path)
        return InvalidParameter;

    if (width <= 0.0 || height <= 0.0)
        return Ok;

    /* make a backup copy of path data */
    if((retstat = GdipClonePath(path, &backup)) != Ok)
        return retstat;

    /* rectangle should start as new path */
    old_new = path->newfigure;
    path->newfigure = TRUE;
    if((retstat = GdipAddPathLine(path,x,y,x+width,y)) != Ok){
        path->newfigure = old_new;
        goto fail;
    }

    ptf[0].X = x+width;
    ptf[0].Y = y+height;
    ptf[1].X = x;
    ptf[1].Y = y+height;

    if((retstat = GdipAddPathLine2(path, ptf, 2)) != Ok)  goto fail;
    path->pathdata.Types[path->pathdata.Count-1] |= PathPointTypeCloseSubpath;

    /* free backup */
    GdipDeletePath(backup);
    return Ok;

fail:
    /* reverting */
    heap_free(path->pathdata.Points);
    heap_free(path->pathdata.Types);
    memcpy(path, backup, sizeof(*path));
    heap_free(backup);

    return retstat;
}

Referenced by GdipAddPathRectangleI(), GdipAddPathRectangles(), GdipCreateRegionHrgn(), GdipDrawRectangle(), get_region_hrgn(), test_captype(), test_constructor_destructor(), test_empty_rect(), test_GdipFillPath(), test_gethrgn(), test_getregiondata(), test_hascurve(), test_inset(), test_isvisible(), test_lastpoint(), test_linejoin(), test_nextmarker(), test_nextmarkerpath(), test_rect(), test_scale(), and transform_region_element().

GdipAddPathRectangleI()

GpStatus WINGDIPAPI GdipAddPathRectangleI	(	GpPath *	path,
		INT	x,
		INT	y,
		INT	width,
		INT	height
	)

Definition at line 2346 of file graphicspath.c.

{
    TRACE("(%p, %d, %d, %d, %d)\n", path, x, y, width, height);

    return GdipAddPathRectangle(path,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
}

Referenced by test_getregiondata().

GdipAddPathRectangles()

GpStatus WINGDIPAPI GdipAddPathRectangles	(	GpPath *	path,
		GDIPCONST GpRectF *	rects,
		INT	count
	)

Definition at line 2354 of file graphicspath.c.

{
    GpPath *backup;
    GpStatus retstat;
    INT i;

    TRACE("(%p, %p, %d)\n", path, rects, count);

    /* count == 0 - verified condition  */
    if(!path || !rects || count == 0)
        return InvalidParameter;

    if(count < 0)
        return OutOfMemory;

    /* make a backup copy */
    if((retstat = GdipClonePath(path, &backup)) != Ok)
        return retstat;

    for(i = 0; i < count; i++){
        if((retstat = GdipAddPathRectangle(path,rects[i].X,rects[i].Y,rects[i].Width,rects[i].Height)) != Ok)
            goto fail;
    }

    /* free backup */
    GdipDeletePath(backup);
    return Ok;

fail:
    /* reverting */
    heap_free(path->pathdata.Points);
    heap_free(path->pathdata.Types);
    memcpy(path, backup, sizeof(*path));
    heap_free(backup);

    return retstat;
}

Referenced by GdipAddPathRectanglesI(), GdipDrawRectangles(), GdipFillRectangles(), and test_rect().

GdipAddPathRectanglesI()

GpStatus WINGDIPAPI GdipAddPathRectanglesI	(	GpPath *	path,
		GDIPCONST GpRect *	rects,
		INT	count
	)

Definition at line 2392 of file graphicspath.c.

{
    GpRectF *rectsF;
    GpStatus retstat;
    INT i;

    TRACE("(%p, %p, %d)\n", path, rects, count);

    if(!rects || count == 0)
        return InvalidParameter;

    if(count < 0)
        return OutOfMemory;

    rectsF = heap_alloc_zero(sizeof(GpRectF)*count);

    for(i = 0;i < count;i++){
        rectsF[i].X      = (REAL)rects[i].X;
        rectsF[i].Y      = (REAL)rects[i].Y;
        rectsF[i].Width  = (REAL)rects[i].Width;
        rectsF[i].Height = (REAL)rects[i].Height;
    }

    retstat = GdipAddPathRectangles(path, rectsF, count);
    heap_free(rectsF);

    return retstat;
}

GdipAddPathString()

GpStatus WINGDIPAPI GdipAddPathString	(	GpPath *	path,
		GDIPCONST WCHAR *	string,
		INT	length,
		GDIPCONST GpFontFamily *	family,
		INT	style,
		REAL	emSize,
		GDIPCONST RectF *	layoutRect,
		GDIPCONST GpStringFormat *	format
	)

Definition at line 1007 of file graphicspath.c.

{
    GpFont *font;
    GpStatus status;
    LOGFONTW lfw;
    HANDLE hfont;
    HDC dc;
    GpGraphics *graphics;
    GpPath *backup;
    struct format_string_args args;
    int i;
    UINT16 native_height;
    RectF scaled_layout_rect;
    TEXTMETRICW textmetric;

    TRACE("(%p, %s, %d, %p, %d, %f, %p, %p)\n", path, debugstr_w(string), length, family, style, emSize, layoutRect, format);
    if (!path || !string || !family || !emSize || !layoutRect || !format)
        return InvalidParameter;

    status = GdipGetEmHeight(family, style, &native_height);
    if (status != Ok)
        return status;

    scaled_layout_rect.X = layoutRect->X;
    scaled_layout_rect.Y = layoutRect->Y;
    scaled_layout_rect.Width = layoutRect->Width * native_height / emSize;
    scaled_layout_rect.Height = layoutRect->Height * native_height / emSize;

    if ((status = GdipClonePath(path, &backup)) != Ok)
        return status;

    dc = CreateCompatibleDC(0);
    status = GdipCreateFromHDC(dc, &graphics);
    if (status != Ok)
    {
        DeleteDC(dc);
        GdipDeletePath(backup);
        return status;
    }

    status = GdipCreateFont(family, native_height, style, UnitPixel, &font);
    if (status != Ok)
    {
        GdipDeleteGraphics(graphics);
        DeleteDC(dc);
        GdipDeletePath(backup);
        return status;
    }

    get_log_fontW(font, graphics, &lfw);
    GdipDeleteFont(font);
    GdipDeleteGraphics(graphics);

    hfont = CreateFontIndirectW(&lfw);
    if (!hfont)
    {
        WARN("Failed to create font\n");
        DeleteDC(dc);
        GdipDeletePath(backup);
        return GenericError;
    }

    SelectObject(dc, hfont);

    GetTextMetricsW(dc, &textmetric);

    args.path = path;
    args.maxY = 0;
    args.scale = emSize / native_height;
    args.ascent = textmetric.tmAscent * args.scale;
    status = gdip_format_string(dc, string, length, NULL, &scaled_layout_rect,
                                format, TRUE, format_string_callback, &args);

    DeleteDC(dc);
    DeleteObject(hfont);

    if (status != Ok) /* free backup */
    {
        heap_free(path->pathdata.Points);
        heap_free(path->pathdata.Types);
        *path = *backup;
        heap_free(backup);
        return status;
    }
    if (format && format->line_align == StringAlignmentCenter && layoutRect->Y + args.maxY < layoutRect->Height)
    {
        float inc = layoutRect->Height + layoutRect->Y - args.maxY;
        inc /= 2;
        for (i = backup->pathdata.Count; i < path->pathdata.Count; ++i)
            path->pathdata.Points[i].Y += inc;
    } else if (format && format->line_align == StringAlignmentFar) {
        float inc = layoutRect->Height + layoutRect->Y - args.maxY;
        for (i = backup->pathdata.Count; i < path->pathdata.Count; ++i)
            path->pathdata.Points[i].Y += inc;
    }
    GdipDeletePath(backup);
    return status;
}

Referenced by GdipAddPathStringI().

GdipAddPathStringI()

GpStatus WINGDIPAPI GdipAddPathStringI	(	GpPath *	path,
		GDIPCONST WCHAR *	string,
		INT	length,
		GDIPCONST GpFontFamily *	family,
		INT	style,
		REAL	emSize,
		GDIPCONST Rect *	layoutRect,
		GDIPCONST GpStringFormat *	format
	)

Definition at line 1106 of file graphicspath.c.

{
    if (layoutRect)
    {
        RectF layoutRectF = {
            (REAL)layoutRect->X,
            (REAL)layoutRect->Y,
            (REAL)layoutRect->Width,
            (REAL)layoutRect->Height
        };
        return GdipAddPathString(path, string, length, family, style, emSize, &layoutRectF, format);
    }
    return InvalidParameter;
}

GdipClearPathMarkers()

GpStatus WINGDIPAPI GdipClearPathMarkers

(

GpPath *

path

)

Definition at line 2439 of file graphicspath.c.

{
    INT count;
    INT i;

    TRACE("(%p)\n", path);

    if(!path)
        return InvalidParameter;

    count = path->pathdata.Count;

    for(i = 0; i < count - 1; i++){
        path->pathdata.Types[i] &= ~PathPointTypePathMarker;
    }

    return Ok;
}

GdipClonePath()

GpStatus WINGDIPAPI GdipClonePath	(	GpPath *	path,
		GpPath **	clone
	)

Definition at line 1135 of file graphicspath.c.

{
    TRACE("(%p, %p)\n", path, clone);

    if(!path || !clone)
        return InvalidParameter;

    *clone = heap_alloc_zero(sizeof(GpPath));
    if(!*clone) return OutOfMemory;

    **clone = *path;

    (*clone)->pathdata.Points = heap_alloc_zero(path->datalen * sizeof(PointF));
    (*clone)->pathdata.Types = heap_alloc_zero(path->datalen);
    if(!(*clone)->pathdata.Points || !(*clone)->pathdata.Types){
        heap_free((*clone)->pathdata.Points);
        heap_free((*clone)->pathdata.Types);
        heap_free(*clone);
        return OutOfMemory;
    }

    memcpy((*clone)->pathdata.Points, path->pathdata.Points,
           path->datalen * sizeof(PointF));
    memcpy((*clone)->pathdata.Types, path->pathdata.Types, path->datalen);

    return Ok;
}

Referenced by brush_fill_pixels(), clone_element(), GdipAddPathRectangle(), GdipAddPathRectangles(), GdipAddPathString(), GdipCloneBrush(), GdipCreatePathGradientFromPath(), GdipCreateRegionPath(), GdipIsOutlineVisiblePathPoint(), GdipSetClipPath(), GdipWidenPath(), SOFTWARE_GdipDrawPath(), and SOFTWARE_GdipDrawThinPath().

GdipClosePathFigure()

GpStatus WINGDIPAPI GdipClosePathFigure

(

GpPath *

path

)

Definition at line 1163 of file graphicspath.c.

{
    TRACE("(%p)\n", path);

    if(!path)
        return InvalidParameter;

    if(path->pathdata.Count > 0){
        path->pathdata.Types[path->pathdata.Count - 1] |= PathPointTypeCloseSubpath;
        path->newfigure = TRUE;
    }

    return Ok;
}

Referenced by GdipAddPathPie(), test_ellipse(), test_getregiondata(), test_line2(), test_linei(), test_nextpathtype(), test_nextsubpathpath(), test_pen_thickness(), and test_reverse().

GdipClosePathFigures()

GpStatus WINGDIPAPI GdipClosePathFigures

(

GpPath *

path

)

Definition at line 1178 of file graphicspath.c.

{
    INT i;

    TRACE("(%p)\n", path);

    if(!path)
        return InvalidParameter;

    for(i = 1; i < path->pathdata.Count; i++){
        if(path->pathdata.Types[i] == PathPointTypeStart)
            path->pathdata.Types[i-1] |= PathPointTypeCloseSubpath;
    }

    path->newfigure = TRUE;

    return Ok;
}

GdipCreatePath()

GpStatus WINGDIPAPI GdipCreatePath	(	GpFillMode	fill,
		GpPath **	path
	)

Definition at line 1197 of file graphicspath.c.

{
    TRACE("(%d, %p)\n", fill, path);

    if(!path)
        return InvalidParameter;

    *path = heap_alloc_zero(sizeof(GpPath));
    if(!*path)  return OutOfMemory;

    (*path)->fill = fill;
    (*path)->newfigure = TRUE;

    return Ok;
}

Referenced by GdipCreatePathGradient(), GdipCreatePathGradientI(), GdipCreateRegionHrgn(), GdipDrawArc(), GdipDrawBeziers(), GdipDrawClosedCurve2(), GdipDrawCurve2(), GdipDrawEllipse(), GdipDrawLines(), GdipDrawPie(), GdipDrawPolygon(), GdipDrawRectangle(), GdipDrawRectangles(), GdipEnumerateMetafileSrcRectDestPoints(), GdipFillClosedCurve2(), GdipFillEllipse(), GdipFillPie(), GdipFillPolygon(), GdipFillPolygonI(), GdipFillRectangles(), get_region_hrgn(), metafile_deserialize_path(), read_element(), test_addclosedcurve(), test_addcurve(), test_addpie(), test_arc(), test_captype(), test_combinereplace(), test_constructor_destructor(), test_drawpath(), test_ellipse(), test_empty_rect(), test_fillpath(), test_flatten(), test_GdipFillPath(), test_Get_Release_DC(), test_gethrgn(), test_getpathdata(), test_getregiondata(), test_getsubpathcount(), test_hascurve(), test_inset(), test_isvalid(), test_isvisible(), test_isvisiblepoint(), test_isvisiblerect(), test_lastpoint(), test_line2(), test_linei(), test_linejoin(), test_nextmarker(), test_nextmarkerpath(), test_nextpathtype(), test_nextsubpath(), test_nextsubpathpath(), test_pathgradientpath(), test_pathpath(), test_pen_thickness(), test_polygon(), test_rect(), test_reverse(), test_scale(), test_transform(), test_translate(), test_widen(), test_worldbounds(), and transform_region_element().

GdipCreatePath2()

GpStatus WINGDIPAPI GdipCreatePath2	(	GDIPCONST GpPointF *	points,
		GDIPCONST BYTE *	types,
		INT	count,
		GpFillMode	fill,
		GpPath **	path
	)

Definition at line 1213 of file graphicspath.c.

{
    TRACE("(%p, %p, %d, %d, %p)\n", points, types, count, fill, path);

    if(!path)
        return InvalidParameter;

    *path = heap_alloc_zero(sizeof(GpPath));
    if(!*path)  return OutOfMemory;

    (*path)->pathdata.Points = heap_alloc_zero(count * sizeof(PointF));
    (*path)->pathdata.Types = heap_alloc_zero(count);

    if(!(*path)->pathdata.Points || !(*path)->pathdata.Types){
        heap_free((*path)->pathdata.Points);
        heap_free((*path)->pathdata.Types);
        heap_free(*path);
        return OutOfMemory;
    }

    memcpy((*path)->pathdata.Points, points, count * sizeof(PointF));
    memcpy((*path)->pathdata.Types, types, count);
    (*path)->pathdata.Count = count;
    (*path)->datalen = count;

    (*path)->fill = fill;
    (*path)->newfigure = TRUE;

    return Ok;
}

Referenced by GdipCreatePath2I().

GdipCreatePath2I()

GpStatus WINGDIPAPI GdipCreatePath2I	(	GDIPCONST GpPoint *	points,
		GDIPCONST BYTE *	types,
		INT	count,
		GpFillMode	fill,
		GpPath **	path
	)

Definition at line 1245 of file graphicspath.c.

{
    GpPointF *ptF;
    GpStatus ret;
    INT i;

    TRACE("(%p, %p, %d, %d, %p)\n", points, types, count, fill, path);

    ptF = heap_alloc_zero(sizeof(GpPointF)*count);

    for(i = 0;i < count; i++){
        ptF[i].X = (REAL)points[i].X;
        ptF[i].Y = (REAL)points[i].Y;
    }

    ret = GdipCreatePath2(ptF, types, count, fill, path);

    heap_free(ptF);

    return ret;
}

GdipDeletePath()

GpStatus WINGDIPAPI GdipDeletePath

(

GpPath *

path

)

Definition at line 1268 of file graphicspath.c.

{
    TRACE("(%p)\n", path);

    if(!path)
        return InvalidParameter;

    heap_free(path->pathdata.Points);
    heap_free(path->pathdata.Types);
    heap_free(path);

    return Ok;
}

Referenced by brush_fill_pixels(), delete_element(), GdipAddPathRectangle(), GdipAddPathRectangles(), GdipAddPathString(), GdipCloneBrush(), GdipCreatePathGradient(), GdipCreatePathGradientFromPath(), GdipCreatePathGradientI(), GdipCreateRegionHrgn(), GdipDeleteBrush(), GdipDrawArc(), GdipDrawBeziers(), GdipDrawClosedCurve2(), GdipDrawCurve2(), GdipDrawEllipse(), GdipDrawLines(), GdipDrawPie(), GdipDrawPolygon(), GdipDrawRectangle(), GdipDrawRectangles(), GdipEnumerateMetafileSrcRectDestPoints(), GdipFillClosedCurve2(), GdipFillEllipse(), GdipFillPie(), GdipFillPolygon(), GdipFillPolygonI(), GdipFillRectangles(), GdipIsOutlineVisiblePathPoint(), GdipSetClipPath(), GdipWidenPath(), get_region_hrgn(), metafile_deserialize_path(), metafile_free_object_table_entry(), SOFTWARE_GdipDrawPath(), SOFTWARE_GdipDrawThinPath(), test_addclosedcurve(), test_addcurve(), test_addpie(), test_arc(), test_captype(), test_combinereplace(), test_constructor_destructor(), test_drawpath(), test_ellipse(), test_empty_rect(), test_fillpath(), test_flatten(), test_GdipFillPath(), test_Get_Release_DC(), test_gethrgn(), test_getpathdata(), test_getregiondata(), test_getsubpathcount(), test_hascurve(), test_inset(), test_isvalid(), test_isvisible(), test_isvisiblepoint(), test_isvisiblerect(), test_lastpoint(), test_line2(), test_linei(), test_linejoin(), test_nextmarker(), test_nextmarkerpath(), test_nextpathtype(), test_nextsubpath(), test_nextsubpathpath(), test_pathgradientpath(), test_pathpath(), test_pen_thickness(), test_polygon(), test_rect(), test_reverse(), test_scale(), test_transform(), test_translate(), test_widen(), test_worldbounds(), and transform_region_element().

GdipFlattenPath()

GpStatus WINGDIPAPI GdipFlattenPath	(	GpPath *	path,
		GpMatrix *	matrix,
		REAL	flatness
	)

Definition at line 1282 of file graphicspath.c.

{
    path_list_node_t *list, *node;
    GpPointF pt;
    INT i = 1;
    INT startidx = 0;
    GpStatus stat;

    TRACE("(%p, %p, %.2f)\n", path, matrix, flatness);

    if(!path)
        return InvalidParameter;

    if(path->pathdata.Count == 0)
        return Ok;

    stat = GdipTransformPath(path, matrix);
    if(stat != Ok)
        return stat;

    pt = path->pathdata.Points[0];
    if(!init_path_list(&list, pt.X, pt.Y))
        return OutOfMemory;

    node = list;

    while(i < path->pathdata.Count){

        BYTE type = path->pathdata.Types[i] & PathPointTypePathTypeMask;
        path_list_node_t *start;

        pt = path->pathdata.Points[i];

        /* save last start point index */
        if(type == PathPointTypeStart)
            startidx = i;

        /* always add line points and start points */
        if((type == PathPointTypeStart) || (type == PathPointTypeLine)){
            if(!add_path_list_node(node, pt.X, pt.Y, path->pathdata.Types[i]))
                goto memout;

            node = node->next;
            ++i;
            continue;
        }

        /* Bezier curve */

        /* test for closed figure */
        if(path->pathdata.Types[i+1] & PathPointTypeCloseSubpath){
            pt = path->pathdata.Points[startidx];
            ++i;
        }
        else
        {
            i += 2;
            pt = path->pathdata.Points[i];
        };

        start = node;
        /* add Bezier end point */
        type = (path->pathdata.Types[i] & ~PathPointTypePathTypeMask) | PathPointTypeLine;
        if(!add_path_list_node(node, pt.X, pt.Y, type))
            goto memout;
        node = node->next;

        /* flatten curve */
        if(!flatten_bezier(start, path->pathdata.Points[i-2].X, path->pathdata.Points[i-2].Y,
                                  path->pathdata.Points[i-1].X, path->pathdata.Points[i-1].Y,
                           node, flatness))
            goto memout;

        ++i;
    }/* while */

    /* store path data back */
    i = path_list_count(list);
    if(!lengthen_path(path, i))
        goto memout;
    path->pathdata.Count = i;

    node = list;
    for(i = 0; i < path->pathdata.Count; i++){
        path->pathdata.Points[i] = node->pt;
        path->pathdata.Types[i]  = node->type;
        node = node->next;
    }

    free_path_list(list);
    return Ok;

memout:
    free_path_list(list);
    return OutOfMemory;
}

Referenced by brush_fill_pixels(), GdipWidenPath(), SOFTWARE_GdipDrawThinPath(), and test_flatten().

GdipGetPathData()

GpStatus WINGDIPAPI GdipGetPathData	(	GpPath *	path,
		GpPathData *	pathData
	)

Definition at line 1379 of file graphicspath.c.

{
    TRACE("(%p, %p)\n", path, pathData);

    if(!path || !pathData)
        return InvalidParameter;

    /* Only copy data. pathData allocation/freeing controlled by wrapper class.
       Assumed that pathData is enough wide to get all data - controlled by wrapper too. */
    memcpy(pathData->Points, path->pathdata.Points, sizeof(PointF) * pathData->Count);
    memcpy(pathData->Types , path->pathdata.Types , pathData->Count);

    return Ok;
}

Referenced by test_getpathdata().

GdipGetPathFillMode()

GpStatus WINGDIPAPI GdipGetPathFillMode	(	GpPath *	path,
		GpFillMode *	fillmode
	)

Definition at line 1394 of file graphicspath.c.

{
    TRACE("(%p, %p)\n", path, fillmode);

    if(!path || !fillmode)
        return InvalidParameter;

    *fillmode = path->fill;

    return Ok;
}

GdipGetPathLastPoint()

GpStatus WINGDIPAPI GdipGetPathLastPoint	(	GpPath *	path,
		GpPointF *	lastPoint
	)

Definition at line 1406 of file graphicspath.c.

{
    INT count;

    TRACE("(%p, %p)\n", path, lastPoint);

    if(!path || !lastPoint)
        return InvalidParameter;

    count = path->pathdata.Count;
    if(count > 0)
        *lastPoint = path->pathdata.Points[count-1];

    return Ok;
}

Referenced by test_lastpoint().

GdipGetPathPoints()

GpStatus WINGDIPAPI GdipGetPathPoints	(	GpPath *	path,
		GpPointF *	points,
		INT	count
	)

Definition at line 1422 of file graphicspath.c.

{
    TRACE("(%p, %p, %d)\n", path, points, count);

    if(!path)
        return InvalidParameter;

    if(count < path->pathdata.Count)
        return InsufficientBuffer;

    memcpy(points, path->pathdata.Points, path->pathdata.Count * sizeof(GpPointF));

    return Ok;
}

Referenced by GdipGetPathPointsI(), and ok_path().

GdipGetPathPointsI()

GpStatus WINGDIPAPI GdipGetPathPointsI	(	GpPath *	path,
		GpPoint *	points,
		INT	count
	)

Definition at line 1437 of file graphicspath.c.

{
    GpStatus ret;
    GpPointF *ptf;
    INT i;

    TRACE("(%p, %p, %d)\n", path, points, count);

    if(count <= 0)
        return InvalidParameter;

    ptf = heap_alloc_zero(sizeof(GpPointF)*count);
    if(!ptf)    return OutOfMemory;

    ret = GdipGetPathPoints(path,ptf,count);
    if(ret == Ok)
        for(i = 0;i < count;i++){
            points[i].X = gdip_round(ptf[i].X);
            points[i].Y = gdip_round(ptf[i].Y);
        };
    heap_free(ptf);

    return ret;
}

GdipGetPathTypes()

GpStatus WINGDIPAPI GdipGetPathTypes	(	GpPath *	path,
		BYTE *	types,
		INT	count
	)

Definition at line 1462 of file graphicspath.c.

{
    TRACE("(%p, %p, %d)\n", path, types, count);

    if(!path)
        return InvalidParameter;

    if(count < path->pathdata.Count)
        return InsufficientBuffer;

    memcpy(types, path->pathdata.Types, path->pathdata.Count);

    return Ok;
}

Referenced by ok_path().

GdipGetPathWorldBounds()

GpStatus WINGDIPAPI GdipGetPathWorldBounds	(	GpPath *	path,
		GpRectF *	bounds,
		GDIPCONST GpMatrix *	matrix,
		GDIPCONST GpPen *	pen
	)

Definition at line 1481 of file graphicspath.c.

{
    GpPointF * points, temp_pts[4];
    INT count, i;
    REAL path_width = 1.0, width, height, temp, low_x, low_y, high_x, high_y;

    TRACE("(%p, %p, %p, %p)\n", path, bounds, matrix, pen);

    /* Matrix and pen can be null. */
    if(!path || !bounds)
        return InvalidParameter;

    /* If path is empty just return. */
    count = path->pathdata.Count;
    if(count == 0){
        bounds->X = bounds->Y = bounds->Width = bounds->Height = 0.0;
        return Ok;
    }

    points = path->pathdata.Points;

    low_x = high_x = points[0].X;
    low_y = high_y = points[0].Y;

    for(i = 1; i < count; i++){
        low_x = min(low_x, points[i].X);
        low_y = min(low_y, points[i].Y);
        high_x = max(high_x, points[i].X);
        high_y = max(high_y, points[i].Y);
    }

    width = high_x - low_x;
    height = high_y - low_y;

    /* This looks unusual but it's the only way I can imitate windows. */
    if(matrix){
        temp_pts[0].X = low_x;
        temp_pts[0].Y = low_y;
        temp_pts[1].X = low_x;
        temp_pts[1].Y = high_y;
        temp_pts[2].X = high_x;
        temp_pts[2].Y = high_y;
        temp_pts[3].X = high_x;
        temp_pts[3].Y = low_y;

        GdipTransformMatrixPoints((GpMatrix*)matrix, temp_pts, 4);
        low_x = temp_pts[0].X;
        low_y = temp_pts[0].Y;

        for(i = 1; i < 4; i++){
            low_x = min(low_x, temp_pts[i].X);
            low_y = min(low_y, temp_pts[i].Y);
        }

        temp = width;
        width = height * fabs(matrix->matrix[2]) + width * fabs(matrix->matrix[0]);
        height = height * fabs(matrix->matrix[3]) + temp * fabs(matrix->matrix[1]);
    }

    if(pen){
        path_width = pen->width / 2.0;

        if(count > 2)
            path_width = max(path_width,  pen->width * pen->miterlimit / 2.0);
        /* FIXME: this should probably also check for the startcap */
        if(pen->endcap & LineCapNoAnchor)
            path_width = max(path_width,  pen->width * 2.2);

        low_x -= path_width;
        low_y -= path_width;
        width += 2.0 * path_width;
        height += 2.0 * path_width;
    }

    bounds->X = low_x;
    bounds->Y = low_y;
    bounds->Width = width;
    bounds->Height = height;

    return Ok;
}

Referenced by create_path_gradient(), GdipGetPathGradientRect(), GdipGetPathWorldBoundsI(), and test_worldbounds().

GdipGetPathWorldBoundsI()

GpStatus WINGDIPAPI GdipGetPathWorldBoundsI	(	GpPath *	path,
		GpRect *	bounds,
		GDIPCONST GpMatrix *	matrix,
		GDIPCONST GpPen *	pen
	)

Definition at line 1564 of file graphicspath.c.

{
    GpStatus ret;
    GpRectF boundsF;

    TRACE("(%p, %p, %p, %p)\n", path, bounds, matrix, pen);

    ret = GdipGetPathWorldBounds(path,&boundsF,matrix,pen);

    if(ret == Ok){
        bounds->X      = gdip_round(boundsF.X);
        bounds->Y      = gdip_round(boundsF.Y);
        bounds->Width  = gdip_round(boundsF.Width);
        bounds->Height = gdip_round(boundsF.Height);
    }

    return ret;
}

GdipGetPointCount()

GpStatus WINGDIPAPI GdipGetPointCount	(	GpPath *	path,
		INT *	count
	)

Definition at line 1584 of file graphicspath.c.

{
    TRACE("(%p, %p)\n", path, count);

    if(!path)
        return InvalidParameter;

    *count = path->pathdata.Count;

    return Ok;
}

Referenced by ok_path(), test_empty_rect(), test_getpathdata(), test_nextmarkerpath(), test_nextsubpathpath(), and test_widen().

GdipIsOutlineVisiblePathPoint()

GpStatus WINGDIPAPI GdipIsOutlineVisiblePathPoint	(	GpPath *	path,
		REAL	x,
		REAL	y,
		GpPen *	pen,
		GpGraphics *	graphics,
		BOOL *	result
	)

Definition at line 1660 of file graphicspath.c.

{
    GpStatus stat;
    GpPath *wide_path;
    GpMatrix *transform = NULL;

    TRACE("(%p,%0.2f,%0.2f,%p,%p,%p)\n", path, x, y, pen, graphics, result);

    if(!path || !pen)
        return InvalidParameter;

    stat = GdipClonePath(path, &wide_path);

    if (stat != Ok)
        return stat;

    if (pen->unit == UnitPixel && graphics != NULL)
    {
        stat = GdipCreateMatrix(&transform);

        if (stat == Ok)
            stat = get_graphics_transform(graphics, CoordinateSpaceDevice,
                CoordinateSpaceWorld, transform);
    }

    if (stat == Ok)
        stat = GdipWidenPath(wide_path, pen, transform, 1.0);

    if (pen->unit == UnitPixel && graphics != NULL)
    {
        if (stat == Ok)
            stat = GdipInvertMatrix(transform);

        if (stat == Ok)
            stat = GdipTransformPath(wide_path, transform);
    }

    if (stat == Ok)
        stat = GdipIsVisiblePathPoint(wide_path, x, y, graphics, result);

    GdipDeleteMatrix(transform);

    GdipDeletePath(wide_path);

    return stat;
}

Referenced by GdipIsOutlineVisiblePathPointI().

GdipIsOutlineVisiblePathPointI()

GpStatus WINGDIPAPI GdipIsOutlineVisiblePathPointI	(	GpPath *	path,
		INT	x,
		INT	y,
		GpPen *	pen,
		GpGraphics *	graphics,
		BOOL *	result
	)

Definition at line 1652 of file graphicspath.c.

{
    TRACE("(%p, %d, %d, %p, %p, %p)\n", path, x, y, pen, graphics, result);

    return GdipIsOutlineVisiblePathPoint(path, x, y, pen, graphics, result);
}

GdipIsVisiblePathPoint()

GpStatus WINGDIPAPI GdipIsVisiblePathPoint	(	GpPath *	path,
		REAL	x,
		REAL	y,
		GpGraphics *	graphics,
		BOOL *	result
	)

Definition at line 1718 of file graphicspath.c.

{
    GpRegion *region;
    HRGN hrgn;
    GpStatus status;

    if(!path || !result) return InvalidParameter;

    status = GdipCreateRegionPath(path, &region);
    if(status != Ok)
        return status;

    status = GdipGetRegionHRgn(region, graphics, &hrgn);
    if(status != Ok){
        GdipDeleteRegion(region);
        return status;
    }

    *result = PtInRegion(hrgn, gdip_round(x), gdip_round(y));

    DeleteObject(hrgn);
    GdipDeleteRegion(region);

    return Ok;
}

Referenced by GdipIsOutlineVisiblePathPoint(), GdipIsVisiblePathPointI(), test_empty_rect(), and test_isvisible().

GdipIsVisiblePathPointI()

GpStatus WINGDIPAPI GdipIsVisiblePathPointI	(	GpPath *	path,
		INT	x,
		INT	y,
		GpGraphics *	graphics,
		BOOL *	result
	)

Definition at line 1708 of file graphicspath.c.

{
    TRACE("(%p, %d, %d, %p, %p)\n", path, x, y, graphics, result);

    return GdipIsVisiblePathPoint(path, x, y, graphics, result);
}

GdipResetPath()

GpStatus WINGDIPAPI GdipResetPath

(

GpPath *

path

)

Definition at line 1756 of file graphicspath.c.

{
    TRACE("(%p)\n", path);

    if(!path)
        return InvalidParameter;

    path->pathdata.Count = 0;
    path->newfigure = TRUE;
    path->fill = FillModeAlternate;

    return Ok;
}

Referenced by GdipPathIterNextMarkerPath(), GdipPathIterNextSubpathPath(), test_addcurve(), test_addpie(), test_flatten(), test_GdipFillPath(), test_transform(), test_translate(), and test_widen().

GdipReversePath()

GpStatus WINGDIPAPI GdipReversePath

(

GpPath *

path

)

Definition at line 1596 of file graphicspath.c.

{
    INT i, count;
    INT start = 0; /* position in reversed path */
    GpPathData revpath;

    TRACE("(%p)\n", path);

    if(!path)
        return InvalidParameter;

    count = path->pathdata.Count;

    if(count == 0) return Ok;

    revpath.Points = heap_alloc_zero(sizeof(GpPointF)*count);
    revpath.Types  = heap_alloc_zero(sizeof(BYTE)*count);
    revpath.Count  = count;
    if(!revpath.Points || !revpath.Types){
        heap_free(revpath.Points);
        heap_free(revpath.Types);
        return OutOfMemory;
    }

    for(i = 0; i < count; i++){

        /* find next start point */
        if(path->pathdata.Types[count-i-1] == PathPointTypeStart){
            INT j;
            for(j = start; j <= i; j++){
                revpath.Points[j] = path->pathdata.Points[count-j-1];
                revpath.Types[j] = path->pathdata.Types[count-j-1];
            }
            /* mark start point */
            revpath.Types[start] = PathPointTypeStart;
            /* set 'figure' endpoint type */
            if(i-start > 1){
                revpath.Types[i] = path->pat