/*
* Class: sun_java2d_windows_GDIRenderer
* Method: doDrawOval
* Signature: (Lsun/java2d/windows/GDIWindowSurfaceData;Lsun/java2d/pipe/Region;Ljava/awt/Composite;IIIII)V
*/
JNIEXPORT void JNICALL
Java_sun_java2d_windows_GDIRenderer_doDrawOval
(JNIEnv *env, jobject wr,
jobject sData,
jobject clip, jobject comp, jint color,
jint x, jint y, jint w, jint h)
{
J2dTraceLn(J2D_TRACE_INFO, "GDIRenderer_doDrawOval");
J2dTraceLn5(J2D_TRACE_VERBOSE,
" color=0x%x x=%-4d y=%-4d w=%-4d h=%-4d",
color, x, y, w, h);
if (w < 2 || h < 2) {
// Thin enough ovals have no room for curvature. Defer to
// the DrawRect method which handles degenerate sizes better.
Java_sun_java2d_windows_GDIRenderer_doDrawRect(env, wr,
sData, clip,
comp, color,
x, y, w, h);
return;
}
GDIWinSDOps *wsdo = GDIWindowSurfaceData_GetOps(env, sData);
if (wsdo == NULL) {
return;
}
HDC hdc = wsdo->GetDC(env, wsdo, PENONLY, NULL, clip, comp, color);
if (hdc == NULL) {
return;
}
::Ellipse(hdc, x, y, x+w+1, y+h+1);
wsdo->ReleaseDC(env, wsdo, hdc);
}
/*
* Class: sun_java2d_windows_GDIRenderer
* Method: doFillRect
* Signature: (Lsun/java2d/windows/GDIWindowSurfaceData;Lsun/java2d/pipe/Region;Ljava/awt/Composite;IIIII)V
*/
JNIEXPORT void JNICALL
Java_sun_java2d_windows_GDIRenderer_doFillRect
(JNIEnv *env, jobject wr,
jobject sData,
jobject clip, jobject comp, jint color,
jint x, jint y, jint w, jint h)
{
J2dTraceLn(J2D_TRACE_INFO, "GDIRenderer_doFillRect");
J2dTraceLn5(J2D_TRACE_VERBOSE,
" color=0x%x x=%-4d y=%-4d w=%-4d h=%-4d",
color, x, y, w, h);
if (w <= 0 || h <= 0) {
return;
}
GDIWinSDOps *wsdo = GDIWindowSurfaceData_GetOps(env, sData);
if (wsdo == NULL) {
return;
}
jint patrop;
HDC hdc = wsdo->GetDC(env, wsdo, BRUSH, &patrop, clip, comp, color);
if (hdc == NULL) {
return;
}
::PatBlt(hdc, x, y, w, h, patrop);
wsdo->ReleaseDC(env, wsdo, hdc);
}
/*
* Class: sun_java2d_windows_GDIRenderer
* Method: doFillPoly
* Signature: (Lsun/java2d/windows/GDIWindowSurfaceData;Lsun/java2d/pipe/Region;Ljava/awt/Composite;III[I[II)V
*/
JNIEXPORT void JNICALL
Java_sun_java2d_windows_GDIRenderer_doFillPoly
(JNIEnv *env, jobject wr,
jobject sData,
jobject clip, jobject comp, jint color,
jint transx, jint transy,
jintArray xpointsarray, jintArray ypointsarray,
jint npoints)
{
J2dTraceLn(J2D_TRACE_INFO, "GDIRenderer_doFillPoly");
J2dTraceLn4(J2D_TRACE_VERBOSE,
" color=0x%x transx=%-4d transy=%-4d npoints=%-4d",
color, transx, transy, npoints);
if (JNU_IsNull(env, xpointsarray) || JNU_IsNull(env, ypointsarray)) {
JNU_ThrowNullPointerException(env, "coordinate array");
return;
}
if (env->GetArrayLength(xpointsarray) < npoints ||
env->GetArrayLength(ypointsarray) < npoints)
{
JNU_ThrowArrayIndexOutOfBoundsException(env, "coordinate array");
return;
}
if (npoints < 3) {
// Fix for 4067534 - assertion failure in 1.3.1 for degenerate polys
// Not enough points for a triangle.
// Note that this would be ignored later anyway, but returning
// here saves us from mistakes in TransformPoly and seeing bad
// return values from the Windows Polyline function.
return;
}
GDIWinSDOps *wsdo = GDIWindowSurfaceData_GetOps(env, sData);
if (wsdo == NULL) {
return;
}
POINT tmpPts[POLYTEMPSIZE], *pPoints;
jint *xpoints = (jint *) env->GetPrimitiveArrayCritical(xpointsarray, NULL);
jint *ypoints = (jint *) env->GetPrimitiveArrayCritical(ypointsarray, NULL);
pPoints = TransformPoly(xpoints, ypoints, transx, transy,
tmpPts, &npoints, FALSE, FALSE);
env->ReleasePrimitiveArrayCritical(xpointsarray, xpoints, JNI_ABORT);
env->ReleasePrimitiveArrayCritical(ypointsarray, ypoints, JNI_ABORT);
if (pPoints == NULL) {
return;
}
HDC hdc = wsdo->GetDC(env, wsdo, BRUSHONLY, NULL, clip, comp, color);
if (hdc == NULL) {
return;
}
::SetPolyFillMode(hdc, ALTERNATE);
::Polygon(hdc, pPoints, npoints);
wsdo->ReleaseDC(env, wsdo, hdc);
if (pPoints != tmpPts) {
free(pPoints);
}
}
/*
* Class: sun_java2d_windows_GDIRenderer
* Method: devCopyArea
* Signature: (Lsun/java2d/windows/GDIWindowSurfaceData;IIIIII)V
*/
JNIEXPORT void JNICALL
Java_sun_java2d_windows_GDIRenderer_devCopyArea
(JNIEnv *env, jobject wr,
jobject wsd,
jint srcx, jint srcy,
jint dx, jint dy,
jint width, jint height)
{
GDIWinSDOps *wsdo = GDIWindowSurfaceData_GetOps(env, wsd);
J2dTraceLn(J2D_TRACE_INFO, "GDIWindowSurfaceData_devCopyArea");
J2dTraceLn4(J2D_TRACE_VERBOSE, " srcx=%-4d srcy=%-4d dx=%-4d dy=%-4d",
srcx, srcy, dx, dy);
J2dTraceLn2(J2D_TRACE_VERBOSE, " w=%-4d h=%-4d", width, height);
if (wsdo == NULL) {
return;
}
if (wsdo->invalid) {
SurfaceData_ThrowInvalidPipeException(env,
"GDIRenderer_devCopyArea: invalid surface data");
return;
}
HDC hDC = wsdo->GetDC(env, wsdo, 0, NULL, NULL, NULL, 0);
if (hDC == NULL) {
return;
}
RECT r;
::SetRect(&r, srcx, srcy, srcx + width, srcy + height);
HRGN rgnUpdate = ::CreateRectRgn(0, 0, 0, 0);
VERIFY(::ScrollDC(hDC, dx, dy, &r, NULL, rgnUpdate, NULL));
// ScrollDC invalidates the part of the source rectangle that
// is outside of the destination rectangle on the assumption
// that you wanted to "move" the pixels from source to dest,
// and so now you will want to paint new pixels in the source.
// Since our copyarea operation involves no such semantics we
// are only interested in the part of the update region that
// corresponds to unavailable source pixels - i.e. the part
// that falls within the destination rectangle.
// The update region will be in client relative coordinates
// but the destination rect will be in window relative coordinates
::OffsetRect(&r, dx-wsdo->insets.left, dy-wsdo->insets.top);
HRGN rgnDst = ::CreateRectRgnIndirect(&r);
int result = ::CombineRgn(rgnUpdate, rgnUpdate, rgnDst, RGN_AND);
// Invalidate the exposed area.
if (result != NULLREGION) {
::InvalidateRgn(wsdo->window, rgnUpdate, TRUE);
}
::DeleteObject(rgnUpdate);
::DeleteObject(rgnDst);
wsdo->ReleaseDC(env, wsdo, hDC);
}
/*
* Class: sun_java2d_windows_GDIRenderer
* Method: doFillArc
* Signature: (Lsun/java2d/windows/GDIWindowSurfaceData;Lsun/java2d/pipe/Region;Ljava/awt/Composite;IIIIIII)V
*/
JNIEXPORT void JNICALL
Java_sun_java2d_windows_GDIRenderer_doFillArc
(JNIEnv *env, jobject wr,
jobject sData,
jobject clip, jobject comp, jint color,
jint x, jint y, jint w, jint h,
jint angleStart, jint angleExtent)
{
J2dTraceLn(J2D_TRACE_INFO, "GDIRenderer_doFillArc");
J2dTraceLn5(J2D_TRACE_VERBOSE,
" color=0x%x x=%-4d y=%-4d w=%-4d h=%-4d",
color, x, y, w, h);
J2dTraceLn2(J2D_TRACE_VERBOSE,
" angleStart=%-4d angleExtent=%-4d",
angleStart, angleExtent);
if (w <= 0 || h <= 0 || angleExtent == 0) {
return;
}
if (angleExtent >= 360 || angleExtent <= -360) {
// Fix related to 4411814 - small ovals (and arcs) do not draw
// If the arc is a full circle, let the Oval method handle it
// since that method can deal with degenerate sizes better.
Java_sun_java2d_windows_GDIRenderer_doFillOval(env, wr,
sData, clip,
comp, color,
x, y, w, h);
return;
}
GDIWinSDOps *wsdo = GDIWindowSurfaceData_GetOps(env, sData);
if (wsdo == NULL) {
return;
}
long sx, sy, ex, ey;
int angleEnd;
if (angleExtent < 0) {
angleEnd = angleStart;
angleStart += angleExtent;
} else {
angleEnd = angleStart + angleExtent;
}
AngleToCoord(angleStart, w, h, &sx, &sy);
sx += x + w/2;
sy += y + h/2;
AngleToCoord(angleEnd, w, h, &ex, &ey);
ex += x + w/2;
ey += y + h/2;
HDC hdc = wsdo->GetDC(env, wsdo, BRUSHONLY, NULL, clip, comp, color);
if (hdc == NULL) {
return;
}
::Pie(hdc, x, y, x+w+1, y+h+1, sx, sy, ex, ey);
wsdo->ReleaseDC(env, wsdo, hdc);
}
/*
* Class: sun_java2d_windows_GDIRenderer
* Method: doDrawArc
* Signature: (Lsun/java2d/windows/GDIWindowSurfaceData;Lsun/java2d/pipe/Region;Ljava/awt/Composite;IIIIIII)V
*/
JNIEXPORT void JNICALL
Java_sun_java2d_windows_GDIRenderer_doDrawArc
(JNIEnv *env, jobject wr,
jobject sData,
jobject clip, jobject comp, jint color,
jint x, jint y, jint w, jint h,
jint angleStart, jint angleExtent)
{
J2dTraceLn(J2D_TRACE_INFO, "GDIRenderer_doDrawArc");
J2dTraceLn5(J2D_TRACE_VERBOSE,
" color=0x%x x=%-4d y=%-4d w=%-4d h=%-4d",
color, x, y, w, h);
J2dTraceLn2(J2D_TRACE_VERBOSE,
" angleStart=%-4d angleExtent=%-4d",
angleStart, angleExtent);
if (w < 0 || h < 0 || angleExtent == 0) {
return;
}
GDIWinSDOps *wsdo = GDIWindowSurfaceData_GetOps(env, sData);
if (wsdo == NULL) {
return;
}
long sx, sy, ex, ey;
if (angleExtent >= 360 || angleExtent <= -360) {
sx = ex = x + w;
sy = ey = y + h/2;
} else {
int angleEnd;
if (angleExtent < 0) {
angleEnd = angleStart;
angleStart += angleExtent;
} else {
angleEnd = angleStart + angleExtent;
}
AngleToCoord(angleStart, w, h, &sx, &sy);
sx += x + w/2;
sy += y + h/2;
AngleToCoord(angleEnd, w, h, &ex, &ey);
ex += x + w/2;
ey += y + h/2;
}
HDC hdc = wsdo->GetDC(env, wsdo, PEN, NULL, clip, comp, color);
if (hdc == NULL) {
return;
}
::Arc(hdc, x, y, x+w+1, y+h+1, sx, sy, ex, ey);
wsdo->ReleaseDC(env, wsdo, hdc);
}
/*
* Class: sun_java2d_windows_GDIRenderer
* Method: doDrawLine
* Signature: (Lsun/java2d/windows/GDIWindowSurfaceData;Lsun/java2d/pipe/Region;Ljava/awt/Composite;IIIII)V
*/
JNIEXPORT void JNICALL
Java_sun_java2d_windows_GDIRenderer_doDrawLine
(JNIEnv *env, jobject wr,
jobject sData,
jobject clip, jobject comp, jint color,
jint x1, jint y1, jint x2, jint y2)
{
J2dTraceLn(J2D_TRACE_INFO, "GDIRenderer_doDrawLine");
J2dTraceLn5(J2D_TRACE_VERBOSE,
" color=0x%x x1=%-4d y1=%-4d x2=%-4d y2=%-4d",
color, x1, y1, x2, y2);
GDIWinSDOps *wsdo = GDIWindowSurfaceData_GetOps(env, sData);
if (wsdo == NULL) {
return;
}
HDC hdc;
jint patrop;
if (x1 == x2 || y1 == y2) {
if (x1 > x2) {
jint t = x1; x1 = x2; x2 = t;
}
if (y1 > y2) {
jint t = y1; y1 = y2; y2 = t;
}
hdc = wsdo->GetDC(env, wsdo, BRUSH, &patrop, clip, comp, color);
if (hdc == NULL) {
return;
}
::PatBlt(hdc, x1, y1, x2-x1+1, y2-y1+1, patrop);
} else {
hdc = wsdo->GetDC(env, wsdo, PENBRUSH, &patrop, clip, comp, color);
if (hdc == NULL) {
return;
}
::MoveToEx(hdc, x1, y1, NULL);
::LineTo(hdc, x2, y2);
::PatBlt(hdc, x2, y2, 1, 1, patrop);
}
wsdo->ReleaseDC(env, wsdo, hdc);
}
/*
* Class: sun_java2d_windows_GDIRenderer
* Method: doDrawRect
* Signature: (Lsun/java2d/windows/GDIWindowSurfaceData;Lsun/java2d/pipe/Region;Ljava/awt/Composite;IIIII)V
*/
JNIEXPORT void JNICALL
Java_sun_java2d_windows_GDIRenderer_doDrawRect
(JNIEnv *env, jobject wr,
jobject sData,
jobject clip, jobject comp, jint color,
jint x, jint y, jint w, jint h)
{
J2dTraceLn(J2D_TRACE_INFO, "GDIRenderer_doDrawRect");
J2dTraceLn5(J2D_TRACE_VERBOSE,
" color=0x%x x=%-4d y=%-4d w=%-4d h=%-4d",
color, x, y, w, h);
if (w < 0 || h < 0) {
return;
}
GDIWinSDOps *wsdo = GDIWindowSurfaceData_GetOps(env, sData);
if (wsdo == NULL) {
return;
}
jint patrop;
HDC hdc = wsdo->GetDC(env, wsdo, BRUSH, &patrop, clip, comp, color);
if (hdc == NULL) {
return;
}
if (w < 2 || h < 2) {
// If one dimension is less than 2 then there is no
// gap in the middle - draw a solid filled rectangle.
::PatBlt(hdc, x, y, w+1, h+1, patrop);
} else {
// Avoid drawing the endpoints twice.
// Also prefer including the endpoints in the
// horizontal sections which draw pixels faster.
::PatBlt(hdc, x, y, w+1, 1, patrop);
::PatBlt(hdc, x, y+1, 1, h-1, patrop);
::PatBlt(hdc, x+w, y+1, 1, h-1, patrop);
::PatBlt(hdc, x, y+h, w+1, 1, patrop);
}
wsdo->ReleaseDC(env, wsdo, hdc);
}
/*
* Class: sun_java2d_windows_GDIRenderer
* Method: doDrawRoundRect
* Signature: (Lsun/java2d/windows/GDIWindowSurfaceData;Lsun/java2d/pipe/Region;Ljava/awt/Composite;IIIIIII)V
*/
JNIEXPORT void JNICALL
Java_sun_java2d_windows_GDIRenderer_doDrawRoundRect
(JNIEnv *env, jobject wr,
jobject sData,
jobject clip, jobject comp, jint color,
jint x, jint y, jint w, jint h, jint arcW, jint arcH)
{
J2dTraceLn(J2D_TRACE_INFO, "GDIRenderer_doDrawRoundRect");
J2dTraceLn5(J2D_TRACE_VERBOSE,
" color=0x%x x=%-4d y=%-4d w=%-4d h=%-4d",
color, x, y, w, h);
J2dTraceLn2(J2D_TRACE_VERBOSE, " arcW=%-4d arcH=%-4d",
arcW, arcH);
if (w < 2 || h < 2 || arcW <= 0 || arcH <= 0) {
// Fix for 4524760 - drawRoundRect0 test case fails on Windows 98
// Thin round rects degenerate into regular rectangles
// because there is no room for the arc sections. Also
// if there is no arc dimension then the roundrect must
// be a simple rectangle. Defer to the DrawRect function
// which handles degenerate sizes better.
Java_sun_java2d_windows_GDIRenderer_doDrawRect(env, wr,
sData, clip,
comp, color,
x, y, w, h);
return;
}
GDIWinSDOps *wsdo = GDIWindowSurfaceData_GetOps(env, sData);
if (wsdo == NULL) {
return;
}
HDC hdc = wsdo->GetDC(env, wsdo, PENONLY, NULL, clip, comp, color);
if (hdc == NULL) {
return;
}
::RoundRect(hdc, x, y, x+w+1, y+h+1, arcW, arcH);
wsdo->ReleaseDC(env, wsdo, hdc);
}
/*
* Class: sun_java2d_windows_GDIRenderer
* Method: doFillRoundRect
* Signature: (Lsun/java2d/windows/GDIWindowSurfaceData;Lsun/java2d/pipe/Region;Ljava/awt/Composite;IIIIIII)V
*/
JNIEXPORT void JNICALL
Java_sun_java2d_windows_GDIRenderer_doFillRoundRect
(JNIEnv *env, jobject wr,
jobject sData,
jobject clip, jobject comp, jint color,
jint x, jint y, jint w, jint h, jint arcW, jint arcH)
{
J2dTraceLn(J2D_TRACE_INFO, "GDIRenderer_doFillRoundRect");
J2dTraceLn5(J2D_TRACE_VERBOSE,
" color=0x%x x=%-4d y=%-4d w=%-4d h=%-4d",
color, x, y, w, h);
J2dTraceLn2(J2D_TRACE_VERBOSE, " arcW=%-4d arcH=%-4d",
arcW, arcH);
if (w < 2 || h < 2 || arcW <= 0 || arcH <= 0) {
// Fix related to 4524760 - drawRoundRect0 fails on Windows 98
// Thin round rects have no room for curvature. Also, if
// the curvature is empty then the primitive has degenerated
// into a simple rectangle. Defer to the FillRect method
// which deals with degenerate sizes better.
Java_sun_java2d_windows_GDIRenderer_doFillRect(env, wr,
sData, clip,
comp, color,
x, y, w, h);
return;
}
GDIWinSDOps *wsdo = GDIWindowSurfaceData_GetOps(env, sData);
if (wsdo == NULL) {
return;
}
HDC hdc = wsdo->GetDC(env, wsdo, BRUSHONLY, NULL, clip, comp, color);
if (hdc == NULL) {
return;
}
::RoundRect(hdc, x, y, x+w+1, y+h+1, arcW, arcH);
wsdo->ReleaseDC(env, wsdo, hdc);
}
/*
* Class: sun_java2d_windows_GDIRenderer
* Method: doShape
* Signature: (Lsun/java2d/windows/GDIWindowSurfaceData;Lsun/java2d/pipe/Region;
* Ljava/awt/Composite;IIILjava/awt/geom/Path2D.Float;Z)V
*/
JNIEXPORT void JNICALL
Java_sun_java2d_windows_GDIRenderer_doShape
(JNIEnv *env, jobject wr,
jobject sData,
jobject clip, jobject comp, jint color,
jint transX, jint transY,
jobject p2df, jboolean isfill)
{
J2dTraceLn(J2D_TRACE_INFO, "GDIRenderer_doShape");
J2dTraceLn4(J2D_TRACE_VERBOSE,
" color=0x%x transx=%-4d transy=%-4d isfill=%-4d",
color, transX, transY, isfill);
GDIWinSDOps *wsdo = GDIWindowSurfaceData_GetOps(env, sData);
if (wsdo == NULL) {
return;
}
jarray typesarray = (jarray) env->GetObjectField(p2df, path2DTypesID);
jarray coordsarray = (jarray) env->GetObjectField(p2df,
path2DFloatCoordsID);
if (coordsarray == NULL) {
JNU_ThrowNullPointerException(env, "coordinates array");
return;
}
jint numtypes = env->GetIntField(p2df, path2DNumTypesID);
if (env->GetArrayLength(typesarray) < numtypes) {
JNU_ThrowArrayIndexOutOfBoundsException(env, "types array");
return;
}
jint maxcoords = env->GetArrayLength(coordsarray);
jint rule = env->GetIntField(p2df, path2DWindingRuleID);
HDC hdc = wsdo->GetDC(env, wsdo, (isfill ? BRUSH : PEN), NULL,
clip, comp, color);
if (hdc == NULL) {
return;
}
::SetPolyFillMode(hdc, (rule == java_awt_geom_PathIterator_WIND_NON_ZERO
? WINDING : ALTERNATE));
::BeginPath(hdc);
jbyte *types = (jbyte *) env->GetPrimitiveArrayCritical(typesarray,
NULL);
jfloat *coords = (jfloat *) env->GetPrimitiveArrayCritical(coordsarray,
NULL);
int index = 0;
BOOL ok = TRUE;
BOOL isempty = TRUE;
BOOL isapoint = TRUE;
int mx = 0, my = 0, x1 = 0, y1 = 0;
POINT ctrlpts[3];
for (int i = 0; ok && i < numtypes; i++) {
switch (types[i]) {
case java_awt_geom_PathIterator_SEG_MOVETO:
if (!isfill && !isempty) {
// Fix for 4298688 - draw(Line) omits last pixel
// Windows omits the last pixel of a path when stroking.
// Fix up the last segment of the previous subpath by
// adding another segment after it that is only 1 pixel
// long. The first pixel of that segment will be drawn,
// but the second pixel is the one that Windows omits.
::LineTo(hdc, x1+1, y1);
}
if (index + 2 <= maxcoords) {
mx = x1 = transX + (int) floor(coords[index++]);
my = y1 = transY + (int) floor(coords[index++]);
::MoveToEx(hdc, x1, y1, NULL);
isempty = TRUE;
isapoint = TRUE;
} else {
ok = FALSE;
}
break;
case java_awt_geom_PathIterator_SEG_LINETO:
if (index + 2 <= maxcoords) {
x1 = transX + (int) floor(coords[index++]);
y1 = transY + (int) floor(coords[index++]);
::LineTo(hdc, x1, y1);
isapoint = isapoint && (x1 == mx && y1 == my);
isempty = FALSE;
} else {
ok = FALSE;
}
break;
case java_awt_geom_PathIterator_SEG_QUADTO:
if (index + 4 <= maxcoords) {
ctrlpts[0].x = transX + (int) floor(coords[index++]);
ctrlpts[0].y = transY + (int) floor(coords[index++]);
ctrlpts[2].x = transX + (int) floor(coords[index++]);
ctrlpts[2].y = transY + (int) floor(coords[index++]);
ctrlpts[1].x = (ctrlpts[0].x * 2 + ctrlpts[2].x) / 3;
ctrlpts[1].y = (ctrlpts[0].y * 2 + ctrlpts[2].y) / 3;
ctrlpts[0].x = (ctrlpts[0].x * 2 + x1) / 3;
ctrlpts[0].y = (ctrlpts[0].y * 2 + y1) / 3;
x1 = ctrlpts[2].x;
y1 = ctrlpts[2].y;
::PolyBezierTo(hdc, ctrlpts, 3);
isapoint = isapoint && (x1 == mx && y1 == my);
isempty = FALSE;
} else {
ok = FALSE;
}
break;
case java_awt_geom_PathIterator_SEG_CUBICTO:
if (index + 6 <= maxcoords) {
ctrlpts[0].x = transX + (int) floor(coords[index++]);
ctrlpts[0].y = transY + (int) floor(coords[index++]);
ctrlpts[1].x = transX + (int) floor(coords[index++]);
ctrlpts[1].y = transY + (int) floor(coords[index++]);
ctrlpts[2].x = transX + (int) floor(coords[index++]);
ctrlpts[2].y = transY + (int) floor(coords[index++]);
x1 = ctrlpts[2].x;
y1 = ctrlpts[2].y;
::PolyBezierTo(hdc, ctrlpts, 3);
isapoint = isapoint && (x1 == mx && y1 == my);
isempty = FALSE;
} else {
ok = FALSE;
}
break;
case java_awt_geom_PathIterator_SEG_CLOSE:
::CloseFigure(hdc);
if (x1 != mx || y1 != my) {
x1 = mx;
y1 = my;
::MoveToEx(hdc, x1, y1, NULL);
isempty = TRUE;
isapoint = TRUE;
} else if (!isfill && !isempty && isapoint) {
::LineTo(hdc, x1+1, y1);
::MoveToEx(hdc, x1, y1, NULL);
isempty = TRUE;
isapoint = TRUE;
}
break;
}
}
env->ReleasePrimitiveArrayCritical(typesarray, types, JNI_ABORT);
env->ReleasePrimitiveArrayCritical(coordsarray, coords, JNI_ABORT);
if (ok) {
if (!isfill && !isempty) {
// Fix for 4298688 - draw(Line) omits last pixel
// Windows omits the last pixel of a path when stroking.
// Fix up the last segment of the previous subpath by
// adding another segment after it that is only 1 pixel
// long. The first pixel of that segment will be drawn,
// but the second pixel is the one that Windows omits.
::LineTo(hdc, x1+1, y1);
}
::EndPath(hdc);
if (isfill) {
::FillPath(hdc);
} else {
::StrokePath(hdc);
}
} else {
::AbortPath(hdc);
JNU_ThrowArrayIndexOutOfBoundsException(env, "coords array");
}
wsdo->ReleaseDC(env, wsdo, hdc);
}
/*
* Class: sun_java2d_windows_GDIRenderer
* Method: doFillOval
* Signature: (Lsun/java2d/windows/GDIWindowSurfaceData;Lsun/java2d/pipe/Region;Ljava/awt/Composite;IIIII)V
*/
JNIEXPORT void JNICALL
Java_sun_java2d_windows_GDIRenderer_doFillOval
(JNIEnv *env, jobject wr,
jobject sData,
jobject clip, jobject comp, jint color,
jint x, jint y, jint w, jint h)
{
J2dTraceLn(J2D_TRACE_INFO, "GDIRenderer_doFillOval");
J2dTraceLn5(J2D_TRACE_VERBOSE,
" color=0x%x x=%-4d y=%-4d w=%-4d h=%-4d",
color, x, y, w, h);
if (w < 3 || h < 3) {
// Fix for 4411814 - small ovals do not draw anything
// (related to 4205762 on Solaris platform)
// Most platform graphics packages have poor rendering
// for thin ellipses and the rendering is most strikingly
// different from our theoretical arcs. Ideally we should
// trap all ovals less than some fairly large size and
// try to draw aesthetically pleasing ellipses, but that
// would require considerably more work to get the corresponding
// drawArc variants to match pixel for pixel.
// Thin ovals of girth 1 pixel are simple rectangles.
// Thin ovals of girth 2 pixels are simple rectangles with
// potentially smaller lengths. Determine the correct length
// by calculating .5*.5 + scaledlen*scaledlen == 1.0 which
// means that scaledlen is the sqrt(0.75). Scaledlen is
// relative to the true length (w or h) and needs to be
// adjusted by half a pixel in different ways for odd or
// even lengths.
#define SQRT_3_4 0.86602540378443864676
if (w > 2 && h > 1) {
int adjw = (int) ((SQRT_3_4 * w - ((w&1)-1)) * 0.5);
adjw = adjw * 2 + (w&1);
x += (w-adjw)/2;
w = adjw;
} else if (h > 2 && w > 1) {
int adjh = (int) ((SQRT_3_4 * h - ((h&1)-1)) * 0.5);
adjh = adjh * 2 + (h&1);
y += (h-adjh)/2;
h = adjh;
}
#undef SQRT_3_4
if (w > 0 && h > 0) {
Java_sun_java2d_windows_GDIRenderer_doFillRect(env, wr, sData,
clip, comp, color,
x, y, w, h);
}
return;
}
GDIWinSDOps *wsdo = GDIWindowSurfaceData_GetOps(env, sData);
if (wsdo == NULL) {
return;
}
HDC hdc = wsdo->GetDC(env, wsdo, BRUSHONLY, NULL, clip, comp, color);
if (hdc == NULL) {
return;
}
::Ellipse(hdc, x, y, x+w+1, y+h+1);
wsdo->ReleaseDC(env, wsdo, hdc);
}
/*
* Class: sun_java2d_windows_GDIBlitLoops
* Method: nativeBlit
* Signature: (Lsun/java2d/SurfaceData;Lsun/java2d/SurfaceData;IIIIIIZ)V
*/
JNIEXPORT void JNICALL
Java_sun_java2d_windows_GDIBlitLoops_nativeBlit
(JNIEnv *env, jobject joSelf,
jobject srcData, jobject dstData,
jobject clip,
jint srcx, jint srcy,
jint dstx, jint dsty,
jint width, jint height,
jint rmask, jint gmask, jint bmask,
jboolean needLut)
{
J2dTraceLn(J2D_TRACE_INFO, "GDIBlitLoops_nativeBlit");
SurfaceDataRasInfo srcInfo;
SurfaceDataOps *srcOps = SurfaceData_GetOps(env, srcData);
GDIWinSDOps *dstOps = GDIWindowSurfaceData_GetOps(env, dstData);
jint lockFlags;
HDC hDC = dstOps->GetDC(env, dstOps, 0, NULL, clip, NULL, 0);
if (hDC == NULL) {
return;
}
srcInfo.bounds.x1 = srcx;
srcInfo.bounds.y1 = srcy;
srcInfo.bounds.x2 = srcx + width;
srcInfo.bounds.y2 = srcy + height;
if (needLut) {
lockFlags = (SD_LOCK_READ | SD_LOCK_LUT);
} else {
lockFlags = SD_LOCK_READ;
}
if (srcOps->Lock(env, srcOps, &srcInfo, lockFlags) != SD_SUCCESS) {
dstOps->ReleaseDC(env, dstOps, hDC);
return;
}
SurfaceDataBounds dstBounds = {dstx, dsty, dstx + width, dsty + height};
// Intersect the source and dest rects. Note that the source blit bounds
// will be adjusted to the surfaces's bounds if needed.
SurfaceData_IntersectBlitBounds(&(srcInfo.bounds), &dstBounds,
dstx - srcx, dsty - srcy);
srcx = srcInfo.bounds.x1;
srcy = srcInfo.bounds.y1;
dstx = dstBounds.x1;
dsty = dstBounds.y1;
width = srcInfo.bounds.x2 - srcInfo.bounds.x1;
height = srcInfo.bounds.y2 - srcInfo.bounds.y1;
if (width > 0 && height > 0)
{
BmiType bmi;
// REMIND: A performance tweak here would be to make some of this
// data static. For example, we could have one structure that is
// always used for ByteGray copies and we only change dynamic data
// in the structure with every new copy. Also, we could store
// structures with Ops or with the Java objects so that surfaces
// could retain their own DIB info and we would not need to
// recreate it every time.
srcOps->GetRasInfo(env, srcOps, &srcInfo);
void *rasBase = ((char *)srcInfo.rasBase) + srcInfo.scanStride * srcy +
srcInfo.pixelStride * srcx;
// If scanlines are DWORD-aligned (scanStride is a multiple of 4),
// then we can do the work much faster. This is due to a constraint
// in the way DIBs are structured and parsed by GDI
jboolean fastBlt = ((srcInfo.scanStride & 0x03) == 0);
bmi.bmiHeader.biSize = sizeof(bmi.bmiHeader);
bmi.bmiHeader.biWidth = srcInfo.scanStride/srcInfo.pixelStride;
// fastBlt copies whole image in one call; else copy line-by-line
bmi.bmiHeader.biHeight = (fastBlt) ?
-(srcInfo.bounds.y2 - srcInfo.bounds.y1) : -1;
bmi.bmiHeader.biPlanes = 1;
bmi.bmiHeader.biBitCount = srcInfo.pixelStride * 8;
// 1,3,4 byte use BI_RGB, 2 byte use BI_BITFIELD...
// 4 byte _can_ use BI_BITFIELD, but this seems to cause a performance
// penalty. Since we only ever have one format (xrgb) for 32-bit
// images that enter this function, just use BI_RGB.
// Could do BI_RGB for 2-byte 555 format, but no perceived
// performance benefit.
bmi.bmiHeader.biCompression = (srcInfo.pixelStride != 2)
? BI_RGB : BI_BITFIELDS;
bmi.bmiHeader.biSizeImage = (bmi.bmiHeader.biWidth *
bmi.bmiHeader.biHeight *
srcInfo.pixelStride);
bmi.bmiHeader.biXPelsPerMeter = 0;
bmi.bmiHeader.biYPelsPerMeter = 0;
bmi.bmiHeader.biClrUsed = 0;
bmi.bmiHeader.biClrImportant = 0;
if (srcInfo.pixelStride == 1) {
// Copy palette info into bitmap for 8-bit image
if (needLut) {
memcpy(bmi.colors.palette, srcInfo.lutBase, srcInfo.lutSize * sizeof(RGBQUAD));
if (srcInfo.lutSize != 256) {
bmi.bmiHeader.biClrUsed = srcInfo.lutSize;
}
} else {
// If no LUT needed, must be ByteGray src. If we have not
// yet created the byteGrayPalette, create it now and copy
// it into our temporary bmi structure.
// REMIND: byteGrayPalette is a leak since we do not have
// a mechansim to free it up. This should be fine, since it
// is only 256 bytes for any process and only gets malloc'd
// when using ByteGray surfaces. Eventually, we should use
// the new Disposer mechanism to delete this native memory.
if (byteGrayPalette == NULL) {
byteGrayPalette = (RGBQUAD *)safe_Malloc(256 * sizeof(RGBQUAD));
for (int i = 0; i < 256; ++i) {
byteGrayPalette[i].rgbRed = i;
byteGrayPalette[i].rgbGreen = i;
byteGrayPalette[i].rgbBlue = i;
}
}
memcpy(bmi.colors.palette, byteGrayPalette, 256 * sizeof(RGBQUAD));
}
} else if (srcInfo.pixelStride == 2) {
// For 16-bit case, init the masks for the pixel depth
bmi.colors.dwMasks[0] = rmask;
bmi.colors.dwMasks[1] = gmask;
bmi.colors.dwMasks[2] = bmask;
}
if (fastBlt) {
// Window could go away at any time, leaving bits on the screen
// from this GDI call, so make sure window still exists
if (::IsWindowVisible(dstOps->window)) {
// Could also call StretchDIBits. Testing showed slight
// performance advantage of SetDIBits instead, so since we
// have no need of scaling, might as well use SetDIBits.
SetDIBitsToDevice(hDC, dstx, dsty, width, height,
0, 0, 0, height, rasBase,
(BITMAPINFO*)&bmi, DIB_RGB_COLORS);
}
} else {
// Source scanlines not DWORD-aligned - copy each scanline individually
for (int i = 0; i < height; i += 1) {
if (::IsWindowVisible(dstOps->window)) {
SetDIBitsToDevice(hDC, dstx, dsty+i, width, 1,
0, 0, 0, 1, rasBase,
(BITMAPINFO*)&bmi, DIB_RGB_COLORS);
rasBase = (void*)((char*)rasBase + srcInfo.scanStride);
} else {
break;
}
}
}
SurfaceData_InvokeRelease(env, srcOps, &srcInfo);
}
SurfaceData_InvokeUnlock(env, srcOps, &srcInfo);
dstOps->ReleaseDC(env, dstOps, hDC);
return;
}