ExtCreateRegion.c File Reference

#include "precomp.h"
#include <math.h>

Include dependency graph for ExtCreateRegion.c:

Go to the source code of this file.

Macros
#define	CheckRect(prect, _left, _top, _right, _bottom)
#define	CheckRectRegion(hrgn, _left, _top, _right, _bottom)

Functions
VOID	InitXFORM (PXFORM pxform, FLOAT eM11, FLOAT eM12, FLOAT eM21, FLOAT eM22, FLOAT eDx, FLOAT eDy)
void	Test_ExtCreateRegion_Transform ()
	START_TEST (ExtCreateRegion)

Macro Definition Documentation

CheckRect

#define CheckRect	(		prect,
			_left,
			_top,
			_right,
			_bottom
	)

Value:

do { \
    ok(((prect)->left == _left) && ((prect)->top == _top) && \
       ((prect)->right == _right) && ((prect)->bottom == _bottom), \
       "Region does not match, expected (%d,%d,%d,%d) got (%ld,%ld,%ld,%ld)\n", \
       _left, _top, _right, _bottom, \
       (prect)->left, (prect)->top, (prect)->right, (prect)->bottom); \
} while (0)

Definition at line 38 of file ExtCreateRegion.c.

CheckRectRegion

#define CheckRectRegion	(		hrgn,
			_left,
			_top,
			_right,
			_bottom
	)

Value:

do { \
    HRGN hrgnTemp = CreateRectRgn(_left, _top, _right, _bottom); \
    RECT rcTemp; \
    ok(GetRgnBox(hrgn, &rcTemp) == SIMPLEREGION, "Region is not SIMPLEREGION\n"); \
    CheckRect(&rcTemp, _left, _top, _right, _bottom); \
    ok(EqualRgn(hrgn, hrgnTemp), "Region does not match\n"); \
    DeleteObject(hrgnTemp); \
} while (0)

Definition at line 47 of file ExtCreateRegion.c.

Function Documentation

InitXFORM()

VOID InitXFORM	(	PXFORM	pxform,
		FLOAT	eM11,
		FLOAT	eM12,
		FLOAT	eM21,
		FLOAT	eM22,
		FLOAT	eDx,
		FLOAT	eDy
	)

Definition at line 13 of file ExtCreateRegion.c.

{
    pxform->eM11 = eM11;
    pxform->eM12 = eM12;
    pxform->eM21 = eM21;
    pxform->eM22 = eM22;
    pxform->eDx = eDx;
    pxform->eDy = eDy;
}

Referenced by Test_ExtCreateRegion_Transform().

START_TEST()

START_TEST

(

ExtCreateRegion

)

Definition at line 124 of file ExtCreateRegion.c.

{
    Test_ExtCreateRegion_Transform();
}

Test_ExtCreateRegion_Transform()

void Test_ExtCreateRegion_Transform

(

)

Definition at line 57 of file ExtCreateRegion.c.

{
    struct
    {
        RGNDATA rgndata;
        CHAR data[sizeof(RECT) - 1];
    } RgnDataBuffer;
    PRECT prect = (PRECT)&RgnDataBuffer.rgndata.Buffer;
    const RGNDATA *pRgnData = (const RGNDATA *)&RgnDataBuffer;
    XFORM xform;
    FLOAT eAngle;
    HRGN hrgn;
    RECT rcTemp;
 
    RgnDataBuffer.rgndata.rdh.dwSize = sizeof(RGNDATAHEADER);
    RgnDataBuffer.rgndata.rdh.iType = RDH_RECTANGLES;
    RgnDataBuffer.rgndata.rdh.nCount = 1;
    RgnDataBuffer.rgndata.rdh.nRgnSize = sizeof(RGNDATAHEADER) + sizeof(RECT);
    RgnDataBuffer.rgndata.rdh.rcBound.left = 0;
    RgnDataBuffer.rgndata.rdh.rcBound.top = 0;
    RgnDataBuffer.rgndata.rdh.rcBound.right = 10;
    RgnDataBuffer.rgndata.rdh.rcBound.bottom = 10;
    prect->left = 0;
    prect->top = 0;
    prect->right = 10;
    prect->bottom = 10;
 
    SetRectEmpty(&RgnDataBuffer.rgndata.rdh.rcBound);
 
    hrgn = ExtCreateRegion(NULL, sizeof(RgnDataBuffer), pRgnData);
    ok(hrgn != NULL, "ExtCreateRegion failed with without transform\n");
    CheckRectRegion(hrgn, 0, 0, 10, 10);
 
    InitXFORM(&xform, 1., 0., 0., 1., 0., 0.);
    hrgn = ExtCreateRegion(&xform, sizeof(RgnDataBuffer), pRgnData);
    ok(hrgn != NULL, "ExtCreateRegion failed with identity transform\n");
    CheckRectRegion(hrgn, 0, 0, 10, 10);
 
    InitXFORM(&xform, 1., 0., 0., 1., 10., 10.);
    hrgn = ExtCreateRegion(&xform, sizeof(RgnDataBuffer), pRgnData);
    ok(hrgn != NULL, "ExtCreateRegion failed with offset transform\n");
    CheckRectRegion(hrgn, 10, 10, 20, 20);
 
    InitXFORM(&xform, 2.5, 0., 0., 1.5, 0., 0.);
    hrgn = ExtCreateRegion(&xform, sizeof(RgnDataBuffer), pRgnData);
    ok(hrgn != NULL, "ExtCreateRegion failed with scaling transform\n");
    CheckRectRegion(hrgn, 0, 0, 25, 15);
 
    InitXFORM(&xform, 2.5, 0., 0., 1.5, 20., 40.);
    hrgn = ExtCreateRegion(&xform, sizeof(RgnDataBuffer), pRgnData);
    ok(hrgn != NULL, "ExtCreateRegion failed with scaling+offset transform\n");
    CheckRectRegion(hrgn, 20, 40, 45, 55);
 
    InitXFORM(&xform, 1., 10., 0., 1., 0., 0.);
    hrgn = ExtCreateRegion(&xform, sizeof(RgnDataBuffer), pRgnData);
    ok(hrgn != NULL, "ExtCreateRegion failed with shearing transform\n");
    ok(GetRgnBox(hrgn, &rcTemp) == COMPLEXREGION, "not a complex region\n");
    CheckRect(&rcTemp, 0, 1, 10, 101);
 
    eAngle = 23.6f;
    InitXFORM(&xform, cosf(eAngle), -sinf(eAngle), sinf(eAngle), cosf(eAngle), 10., 10.);
    hrgn = ExtCreateRegion(&xform, sizeof(RgnDataBuffer), pRgnData);
    ok(hrgn != NULL, "ExtCreateRegion failed with rotating transform\n");
    CheckRectRegion(hrgn, 0, 10, 10, 20);
 
}

Referenced by START_TEST().