Java example source code file (ThemeReader.cpp)
The ThemeReader.cpp Java example source code/*
* Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
#include "sun_awt_windows_ThemeReader.h"
#include <string.h>
#include "awt.h"
#include "awt_Toolkit.h"
#include "awt_Object.h"
#include "awt_Component.h"
// Important note about VC6 and VC7 (or XP Platform SDK) !
//
// These type definitions have been imported from UxTheme.h
// They have been imported instead of including them, because
// currently we don't require Platform SDK for building J2SE and
// VC6 includes do not have UxTheme.h. When we move to VC7
// we should remove these imports and just include
//
// Uncomment these when we start using VC 7 (or XP Platform SDK)
//
// #include <uxtheme.h>
// #incldue <tmschema.h>
// Remove everyting inside this ifdef when we start using VC 7 (or XP Platform SDK)
#ifndef _UXTHEME_H_
typedef HANDLE HTHEME; // handle to a section of theme data for class
typedef enum {
TS_MIN,
TS_TRUE,
TS_DRAW
} THEME_SIZE;
// Remove these when we start using VC 7 (or XP Platform SDK)
typedef struct _MARGINS
{
int cxLeftWidth; // width of left border that retains its size
int cxRightWidth; // width of right border that retains its size
int cyTopHeight; // height of top border that retains its size
int cyBottomHeight; // height of bottom border that retains its size
} MARGINS, *PMARGINS;
#define TMT_TRANSPARENT 2201
#endif // _UXTHEME_H_
#define ALPHA_MASK 0xff000000
#define RED_MASK 0xff0000
#define GREEN_MASK 0xff00
#define BLUE_MASK 0xff
#define ALPHA_SHIFT 24
#define RED_SHIFT 16
#define GREEN_SHIFT 8
typedef HRESULT(__stdcall *PFNCLOSETHEMEDATA)(HTHEME hTheme);
typedef HRESULT(__stdcall *PFNDRAWTHEMEBACKGROUND)(HTHEME hTheme, HDC hdc,
int iPartId, int iStateId, const RECT *pRect, const RECT *pClipRect);
typedef HTHEME(__stdcall *PFNOPENTHEMEDATA)(HWND hwnd, LPCWSTR pszClassList);
typedef HRESULT (__stdcall *PFNDRAWTHEMETEXT)(HTHEME hTheme, HDC hdc,
int iPartId, int iStateId, LPCWSTR pszText, int iCharCount,
DWORD dwTextFlags, DWORD dwTextFlags2, const RECT *pRect);
typedef HRESULT (__stdcall *PFNGETTHEMEBACKGROUNDCONTENTRECT)(HTHEME hTheme,
HDC hdc, int iPartId, int iStateId, const RECT *pBoundingRect,
RECT *pContentRect);
typedef HRESULT (__stdcall *PFNGETTHEMEMARGINS)(HTHEME hTheme,
OPTIONAL HDC hdc, int iPartId, int iStateId, int iPropId,
OPTIONAL RECT *prc, OUT MARGINS *pMargins);
typedef BOOL (__stdcall *PFNISTHEMEPARTDEFINED)(HTHEME hTheme, int iPartId, int iStateId);
typedef HRESULT (__stdcall *PFNGETTHEMEBOOL)(HTHEME hTheme, int iPartId,
int iStateId, int iPropId, BOOL *pfVal);
typedef BOOL (__stdcall *PFNGETTHEMESYSBOOL)(HTHEME hTheme, int iPropId);
typedef HRESULT (__stdcall *PFNGETTHEMECOLOR)(HTHEME hTheme, int iPartId,
int iStateId, int iPropId, COLORREF *pColor);
typedef HRESULT (__stdcall *PFNGETTHEMEENUMVALUE)(HTHEME hTheme, int iPartId,
int iStateId, int iPropId, int *val);
typedef HRESULT (__stdcall *PFNGETTHEMEINT)(HTHEME hTheme, int iPartId,
int iStateId, int iPropId, int *val);
typedef HRESULT (__stdcall *PFNGETTHEMEPARTSIZE)(HTHEME hTheme, HDC hdc,
int iPartId, int iStateId, RECT *prc, THEME_SIZE eSize, SIZE *size);
typedef HRESULT (__stdcall *PFNGETTHEMEPOSITION)(HTHEME hTheme, int iPartId,
int iStateId, int propID, POINT *point);
typedef HRESULT(__stdcall *PFNSETWINDOWTHEME)(HWND hwnd, LPCWSTR pszSubAppName,
LPCWSTR pszSubIdList);
typedef HRESULT (__stdcall *PFNISTHEMEBACKGROUNDPARTIALLYTRANSPARENT)
(HTHEME hTheme, int iPartId, int iStateId);
typedef HRESULT (__stdcall *PFNGETTHEMETRANSITIONDURATION)
(HTHEME hTheme, int iPartId, int iStateIdFrom, int iStateIdTo,
int iPropId, DWORD *pdwDuration);
static PFNOPENTHEMEDATA OpenThemeData = NULL;
static PFNDRAWTHEMEBACKGROUND DrawThemeBackground = NULL;
static PFNCLOSETHEMEDATA CloseThemeData = NULL;
static PFNDRAWTHEMETEXT DrawThemeText = NULL;
static PFNGETTHEMEBACKGROUNDCONTENTRECT GetThemeBackgroundContentRect = NULL;
static PFNGETTHEMEMARGINS GetThemeMargins = NULL;
static PFNISTHEMEPARTDEFINED IsThemePartDefined = NULL;
static PFNGETTHEMEBOOL GetThemeBool=NULL;
static PFNGETTHEMESYSBOOL GetThemeSysBool=NULL;
static PFNGETTHEMECOLOR GetThemeColor=NULL;
static PFNGETTHEMEENUMVALUE GetThemeEnumValue = NULL;
static PFNGETTHEMEINT GetThemeInt = NULL;
static PFNGETTHEMEPARTSIZE GetThemePartSize = NULL;
static PFNGETTHEMEPOSITION GetThemePosition = NULL;
static PFNSETWINDOWTHEME SetWindowTheme = NULL;
static PFNISTHEMEBACKGROUNDPARTIALLYTRANSPARENT
IsThemeBackgroundPartiallyTransparent = NULL;
//this function might not exist on Windows XP
static PFNGETTHEMETRANSITIONDURATION GetThemeTransitionDuration = NULL;
BOOL InitThemes() {
static HMODULE hModThemes = NULL;
hModThemes = JDK_LoadSystemLibrary("UXTHEME.DLL");
DTRACE_PRINTLN1("InitThemes hModThemes = %x\n", hModThemes);
if(hModThemes) {
DTRACE_PRINTLN("Loaded UxTheme.dll\n");
OpenThemeData = (PFNOPENTHEMEDATA)GetProcAddress(hModThemes,
"OpenThemeData");
DrawThemeBackground = (PFNDRAWTHEMEBACKGROUND)GetProcAddress(
hModThemes, "DrawThemeBackground");
CloseThemeData = (PFNCLOSETHEMEDATA)GetProcAddress(
hModThemes, "CloseThemeData");
DrawThemeText = (PFNDRAWTHEMETEXT)GetProcAddress(
hModThemes, "DrawThemeText");
GetThemeBackgroundContentRect = (PFNGETTHEMEBACKGROUNDCONTENTRECT)
GetProcAddress(hModThemes, "GetThemeBackgroundContentRect");
GetThemeMargins = (PFNGETTHEMEMARGINS)GetProcAddress(
hModThemes, "GetThemeMargins");
IsThemePartDefined = (PFNISTHEMEPARTDEFINED)GetProcAddress(
hModThemes, "IsThemePartDefined");
GetThemeBool = (PFNGETTHEMEBOOL)GetProcAddress(
hModThemes, "GetThemeBool");
GetThemeSysBool = (PFNGETTHEMESYSBOOL)GetProcAddress(hModThemes,
"GetThemeSysBool");
GetThemeColor = (PFNGETTHEMECOLOR)GetProcAddress(hModThemes,
"GetThemeColor");
GetThemeEnumValue = (PFNGETTHEMEENUMVALUE)GetProcAddress(hModThemes,
"GetThemeEnumValue");
GetThemeInt = (PFNGETTHEMEINT)GetProcAddress(hModThemes, "GetThemeInt");
GetThemePosition = (PFNGETTHEMEPOSITION)GetProcAddress(hModThemes,
"GetThemePosition");
GetThemePartSize = (PFNGETTHEMEPARTSIZE)GetProcAddress(hModThemes,
"GetThemePartSize");
SetWindowTheme = (PFNSETWINDOWTHEME)GetProcAddress(hModThemes,
"SetWindowTheme");
IsThemeBackgroundPartiallyTransparent =
(PFNISTHEMEBACKGROUNDPARTIALLYTRANSPARENT)GetProcAddress(hModThemes,
"IsThemeBackgroundPartiallyTransparent");
//this function might not exist
GetThemeTransitionDuration =
(PFNGETTHEMETRANSITIONDURATION)GetProcAddress(hModThemes,
"GetThemeTransitionDuration");
if(OpenThemeData
&& DrawThemeBackground
&& CloseThemeData
&& DrawThemeText
&& GetThemeBackgroundContentRect
&& GetThemeMargins
&& IsThemePartDefined
&& GetThemeBool
&& GetThemeSysBool
&& GetThemeColor
&& GetThemeEnumValue
&& GetThemeInt
&& GetThemePartSize
&& GetThemePosition
&& SetWindowTheme
&& IsThemeBackgroundPartiallyTransparent
) {
DTRACE_PRINTLN("Loaded function pointers.\n");
// We need to make sure we can load the Theme. This may not be
// the case on a WinXP machine with classic mode enabled.
HTHEME hTheme = OpenThemeData(AwtToolkit::GetInstance().GetHWnd(), L"Button");
if(hTheme) {
DTRACE_PRINTLN("Loaded Theme data.\n");
CloseThemeData(hTheme);
return TRUE;
}
} else {
FreeLibrary(hModThemes);
hModThemes = NULL;
}
}
return FALSE;
}
JNIEXPORT jboolean JNICALL Java_sun_awt_windows_ThemeReader_isThemed
(JNIEnv *env, jclass klass) {
static BOOL TryLoadingThemeLib = FALSE;
static BOOL Themed = FALSE;
if (!TryLoadingThemeLib) {
Themed = InitThemes();
TryLoadingThemeLib = TRUE;
}
return Themed;
}
static void assert_result(HRESULT hres, JNIEnv *env) {
#ifdef _DEBUG
if (hres != 0) {
DWORD lastError = GetLastError();
if (lastError != 0) {
LPSTR msgBuffer = NULL;
FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
lastError,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPSTR)&msgBuffer,
// it's an output parameter when allocate buffer is used
0,
NULL);
DTRACE_PRINTLN3("Error: hres=0x%x lastError=0x%x %s\n", hres,
lastError, msgBuffer);
}
}
#endif
}
/*
* Class: sun_awt_windows_ThemeReader
* Method: openTheme
* Signature: (Ljava/lang/String;)J
*/
JNIEXPORT jlong JNICALL Java_sun_awt_windows_ThemeReader_openTheme
(JNIEnv *env, jclass klass, jstring widget) {
LPCTSTR str = (LPCTSTR) JNU_GetStringPlatformChars(env, widget, NULL);
// We need to open the Theme on a Window that will stick around.
// The best one for that purpose is the Toolkit window.
HTHEME htheme = OpenThemeData(AwtToolkit::GetInstance().GetHWnd(), str);
JNU_ReleaseStringPlatformChars(env, widget, str);
return (jlong) htheme;
}
/*
* Class: sun_awt_windows_ThemeReader
* Method: setWindowTheme
* Signature: (Ljava/lang/String;)V
*/
JNIEXPORT void JNICALL Java_sun_awt_windows_ThemeReader_setWindowTheme
(JNIEnv *env, jclass klass, jstring subAppName) {
LPCTSTR str = NULL;
if (subAppName != NULL) {
str = (LPCTSTR) JNU_GetStringPlatformChars(env, subAppName, NULL);
}
// We need to set the Window theme on the same theme that we opened it with.
HRESULT hres = SetWindowTheme(AwtToolkit::GetInstance().GetHWnd(), str, NULL);
assert_result(hres, env);
if (subAppName != NULL) {
JNU_ReleaseStringPlatformChars(env, subAppName, str);
}
}
/*
* Class: sun_awt_windows_ThemeReader
* Method: closeTheme
* Signature: (J)V
*/
JNIEXPORT void JNICALL Java_sun_awt_windows_ThemeReader_closeTheme
(JNIEnv *env, jclass klass, jlong theme) {
HRESULT hres = CloseThemeData((HTHEME)theme);
assert_result(hres, env);
}
static void copyDIBToBufferedImage(int *pDstBits, int *pSrcBits,
BOOL transparent, int w, int h, int stride) {
int offsetToNextLine = stride - w;
int *dst = pDstBits;
int *src = pSrcBits;
double alphaScale;
int r,g,b,a;
int pixel;
BOOL translucent = FALSE;
for (int i=0;i<h;i++) {
for (int j=0;j<w;j++) {
pixel = *src++;
a = (pixel & ALPHA_MASK) >> ALPHA_SHIFT;
if ((a != 0) && (a != 255)) {
translucent = TRUE;
break;
}
}
if (translucent) break;
}
src = pSrcBits;
if (translucent) {
for (int i=0;i<h;i++) {
for (int j=0;j<w;j++) {
pixel = *src++;
if (pixel != 0) {
// The UxTheme API seems to do the blending and
// premultiply the resulting values.
// so we have to divide by the alpha to get the
// original component values.
a = (pixel & ALPHA_MASK) >> ALPHA_SHIFT;
if ((a != 255) && (a != 0)) {
r = (pixel & RED_MASK) >> RED_SHIFT;
g = (pixel & GREEN_MASK) >> GREEN_SHIFT;
b = (pixel & BLUE_MASK);
alphaScale = 255.0 / a;
r = (int) ((double) r * alphaScale);
if (r > 255) r = 255;
g = (int) ((double) g * alphaScale);
if (g > 255) g = 255;
b = (int) ((double) b * alphaScale);
if (b > 255) b = 255;
pixel = (a << ALPHA_SHIFT) | (r << RED_SHIFT) |
(g << GREEN_SHIFT) | b ;
}
else {
// Frame maximize and minimize buttons
// have transparent pixels with alpha
// set to FF and nontransparent pixels have zero alpha.
pixel |= 0xFF000000;
}
}
*dst++ = pixel;
}
dst += offsetToNextLine;
}
}
else if (transparent) {
for (int i=0;i<h;i++) {
for (int j=0;j<w;j++) {
pixel = *src++;
if (pixel == 0) {
*dst++ = 0;
}
else {
*dst++ = 0xFF000000 | pixel;
}
}
dst += offsetToNextLine;
}
}
else {
for (int i=0;i<h;i++) {
for (int j=0;j<w;j++) {
pixel = *src++;
*dst++ = 0xFF000000 | pixel;
}
dst += offsetToNextLine;
}
}
}
/*
* Class: sun_awt_windows_ThemeReader
* Method: paintBackground
* Signature: ([IJIIIIIII)V
*/
JNIEXPORT void JNICALL Java_sun_awt_windows_ThemeReader_paintBackground
(JNIEnv *env, jclass klass, jintArray array, jlong theme, jint part, jint state,
jint x, jint y, jint w, jint h, jint stride) {
int *pDstBits=NULL;
int *pSrcBits=NULL;
HDC memDC,defaultDC;
HBITMAP hDibSection = NULL;
RECT rect;
BITMAPINFO bmi;
HTHEME hTheme = (HTHEME) theme;
DTRACE_PRINTLN3("Java_sun_awt_windows_ThemeReader_paintButtonBackground w=%d h=%d\n stride=%d\n",w,h,stride);
if (hTheme == NULL) {
JNU_ThrowInternalError(env, "HTHEME is null");
return;
}
defaultDC = GetDC(NULL);
memDC = CreateCompatibleDC(defaultDC);
static const int BITS_PER_PIXEL = 32;
ZeroMemory(&bmi,sizeof(BITMAPINFO));
bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
bmi.bmiHeader.biWidth = w;
bmi.bmiHeader.biHeight = -h;
bmi.bmiHeader.biPlanes = 1;
bmi.bmiHeader.biBitCount = BITS_PER_PIXEL;
bmi.bmiHeader.biCompression = BI_RGB;
bmi.bmiHeader.biSizeImage = w * h * (BITS_PER_PIXEL>>3);
hDibSection = ::CreateDIBSection(memDC, (BITMAPINFO*) &bmi,
DIB_RGB_COLORS, (void **) &pSrcBits,
NULL, 0);
if (hDibSection == NULL) {
DTRACE_PRINTLN("Error creating DIB section");
ReleaseDC(NULL,defaultDC);
return;
}
SelectObject(memDC,hDibSection);
rect.left = 0;
rect.top = 0;
rect.bottom = h;
rect.right = w;
ZeroMemory(pSrcBits,(BITS_PER_PIXEL>>3)*w*h);
HRESULT hres = DrawThemeBackground(hTheme, memDC, part, state, &rect, NULL);
assert_result(hres, env);
if (SUCCEEDED(hres)) {
// Make sure GDI is done.
GdiFlush();
// Copy the resulting pixels to our Java BufferedImage.
pDstBits = (int *)env->GetPrimitiveArrayCritical(array, 0);
BOOL transparent = FALSE;
transparent = IsThemeBackgroundPartiallyTransparent(hTheme,part,state);
copyDIBToBufferedImage(pDstBits, pSrcBits, transparent, w, h, stride);
env->ReleasePrimitiveArrayCritical(array, pDstBits, 0);
}
// Delete resources.
DeleteObject(hDibSection);
DeleteDC(memDC);
ReleaseDC(NULL,defaultDC);
}
jobject newInsets(JNIEnv *env, jint top, jint left, jint bottom, jint right) {
if (env->EnsureLocalCapacity(2) < 0) {
return NULL;
}
static jclass insetsClassID = NULL;
if (insetsClassID == NULL) {
jclass insetsClassIDLocal = env->FindClass("java/awt/Insets");
insetsClassID = (jclass)env->NewGlobalRef(insetsClassIDLocal);
env->DeleteLocalRef(insetsClassIDLocal);
}
jobject insets = env->NewObject(insetsClassID,
AwtToolkit::insetsMID,
top, left, bottom, right);
if (safe_ExceptionOccurred(env)) {
env->ExceptionDescribe();
env->ExceptionClear();
}
return insets;
}
/*
* Class: sun_awt_windows_ThemeReader
* Method: getThemeMargins
* Signature: (JIII)Ljava/awt/Insets;
*/
JNIEXPORT jobject JNICALL Java_sun_awt_windows_ThemeReader_getThemeMargins
(JNIEnv *env, jclass klass, jlong theme, jint part, jint state, jint property) {
MARGINS margins;
HTHEME hTheme = (HTHEME) theme;
if (hTheme != NULL) {
HRESULT hres = GetThemeMargins(hTheme, NULL, part, state, property, NULL, &margins);
assert_result(hres, env);
if (FAILED(hres)) {
return NULL;
}
return newInsets(env,
margins.cyTopHeight,
margins.cxLeftWidth, margins.cyBottomHeight, margins.cxRightWidth);
}
return NULL;
}
/*
* Class: sun_awt_windows_ThemeReader
* Method: isThemePartDefined
* Signature: (JII)Z
*/
JNIEXPORT jboolean JNICALL Java_sun_awt_windows_ThemeReader_isThemePartDefined
(JNIEnv *env, jclass klass, jlong theme, jint part, jint state) {
HTHEME hTheme = (HTHEME) theme;
return IsThemePartDefined(hTheme, part, state);
}
/*
* Class: sun_awt_windows_ThemeReader
* Method: getColor
* Signature: (JIII)Ljava/awt/Color;
*/
JNIEXPORT jobject JNICALL Java_sun_awt_windows_ThemeReader_getColor
(JNIEnv *env, jclass klass, jlong theme, jint part, jint state, jint type) {
HTHEME hTheme = (HTHEME) theme;
if (hTheme != NULL) {
COLORREF color=0;
if (GetThemeColor(hTheme, part, state, type, &color) != S_OK) {
return NULL;
}
if (env->EnsureLocalCapacity(1) < 0) {
return NULL;
}
static jmethodID colorMID = NULL;
static jclass colorClassID = NULL;
if (colorClassID == NULL) {
jclass colorClassIDLocal = env->FindClass("java/awt/Color");
colorClassID = (jclass)env->NewGlobalRef(colorClassIDLocal);
env->DeleteLocalRef(colorClassIDLocal);
}
if (colorMID == NULL) {
colorMID = env->GetMethodID(colorClassID, "<init>", "(III)V");
}
jobject colorObj = env->NewObject(colorClassID,
colorMID, GetRValue(color), GetGValue(color),GetBValue(color));
if (safe_ExceptionOccurred(env)) {
env->ExceptionDescribe();
env->ExceptionClear();
}
return colorObj;
}
return NULL;
}
/*
* Class: sun_awt_windows_ThemeReader
* Method: getInt
* Signature: (JIII)I
*/
JNIEXPORT jint JNICALL Java_sun_awt_windows_ThemeReader_getInt
(JNIEnv *env, jclass klass, jlong theme, jint part, jint state, jint prop) {
HTHEME hTheme = (HTHEME) theme;
int retVal = -1;
if (hTheme != NULL) {
HRESULT hres = GetThemeInt(hTheme, part, state, prop, &retVal);
assert_result(hres, env);
}
return retVal;
}
/*
* Class: sun_awt_windows_ThemeReader
* Method: getEnum
* Signature: (JIII)I
*/
JNIEXPORT jint JNICALL Java_sun_awt_windows_ThemeReader_getEnum
(JNIEnv *env, jclass klass, jlong theme, jint part, jint state, jint prop) {
HTHEME hTheme = (HTHEME) theme;
int retVal = -1;
if (hTheme != NULL) {
HRESULT hres = GetThemeEnumValue(hTheme, part, state, prop, &retVal);
assert_result(hres, env);
}
return retVal;
}
/*
* Class: sun_awt_windows_ThemeReader
* Method: getBoolean
* Signature: (JIII)Z
*/
JNIEXPORT jboolean JNICALL Java_sun_awt_windows_ThemeReader_getBoolean
(JNIEnv *env, jclass klass, jlong theme, jint part, jint state, jint prop) {
HTHEME hTheme = (HTHEME) theme;
BOOL retVal = FALSE;
if (hTheme != NULL) {
HRESULT hres = GetThemeBool(hTheme, part, state, prop, &retVal);
assert_result(hres, env);
}
return retVal;
}
/*
* Class: sun_awt_windows_ThemeReader
* Method: getSysBoolean
* Signature: (JI)Z
*/
JNIEXPORT jboolean JNICALL Java_sun_awt_windows_ThemeReader_getSysBoolean
(JNIEnv *env, jclass klass, jlong theme, jint prop) {
HTHEME hTheme = (HTHEME)theme;
if (hTheme != NULL) {
return GetThemeSysBool(hTheme, prop);
}
return FALSE;
}
/*
* Class: sun_awt_windows_ThemeReader
* Method: getPoint
* Signature: (JIII)Ljava/awt/Point;
*/
JNIEXPORT jobject JNICALL Java_sun_awt_windows_ThemeReader_getPoint
(JNIEnv *env, jclass klass, jlong theme, jint part, jint state, jint prop) {
HTHEME hTheme = (HTHEME) theme;
POINT point;
if (hTheme != NULL) {
if (GetThemePosition(hTheme, part, state, prop, &point) != S_OK) {
return NULL;
}
if (env->EnsureLocalCapacity(2) < 0) {
return NULL;
}
static jmethodID pointMID = NULL;
static jclass pointClassID = NULL;
if (pointClassID == NULL) {
jclass pointClassIDLocal = env->FindClass("java/awt/Point");
pointClassID = (jclass)env->NewGlobalRef(pointClassIDLocal);
env->DeleteLocalRef(pointClassIDLocal);
}
if (pointMID == NULL) {
pointMID = env->GetMethodID(pointClassID, "<init>", "(II)V");
}
jobject pointObj = env->NewObject(pointClassID, pointMID, point.x, point.y);
if (safe_ExceptionOccurred(env)) {
env->ExceptionDescribe();
env->ExceptionClear();
}
return pointObj;
}
return NULL;
}
/*
* Class: sun_awt_windows_ThemeReader
* Method: getPosition
* Signature: (JIII)Ljava/awt/Dimension;
*/
JNIEXPORT jobject JNICALL Java_sun_awt_windows_ThemeReader_getPosition
(JNIEnv *env, jclass klass, jlong theme, jint part, jint state, jint prop) {
HTHEME hTheme = (HTHEME) theme;
if (hTheme != NULL) {
POINT point;
HRESULT hres = GetThemePosition(hTheme, part, state, prop, &point);
assert_result(hres, env);
if (FAILED(hres)) {
return NULL;
}
if (env->EnsureLocalCapacity(2) < 0) {
return NULL;
}
static jmethodID dimMID = NULL;
static jclass dimClassID = NULL;
if (dimClassID == NULL) {
jclass dimClassIDLocal = env->FindClass("java/awt/Dimension");
dimClassID = (jclass)env->NewGlobalRef(dimClassIDLocal);
env->DeleteLocalRef(dimClassIDLocal);
}
if (dimMID == NULL) {
dimMID = env->GetMethodID(dimClassID, "<init>", "(II)V");
}
jobject dimObj = env->NewObject(dimClassID, dimMID, point.x, point.y);
if (safe_ExceptionOccurred(env)) {
env->ExceptionDescribe();
env->ExceptionClear();
}
return dimObj;
}
return NULL;
}
/*
* Class: sun_awt_windows_ThemeReader
* Method: getPartSize
* Signature: (JII)Ljava/awt/Dimension;
*/
JNIEXPORT jobject JNICALL Java_sun_awt_windows_ThemeReader_getPartSize
(JNIEnv *env, jclass klass, jlong theme, jint part, jint state) {
if (theme != NULL) {
SIZE size;
if (SUCCEEDED(GetThemePartSize((HTHEME)theme, NULL, part, state,
NULL, TS_TRUE, &size)) && (env->EnsureLocalCapacity(2) >= 0)) {
static jmethodID dimMID = NULL;
static jclass dimClassID = NULL;
if (dimClassID == NULL) {
jclass dimClassIDLocal = env->FindClass("java/awt/Dimension");
dimClassID = (jclass)env->NewGlobalRef(dimClassIDLocal);
env->DeleteLocalRef(dimClassIDLocal);
}
if (dimMID == NULL) {
dimMID = env->GetMethodID(dimClassID, "<init>", "(II)V");
}
jobject dimObj = env->NewObject(dimClassID, dimMID, size.cx, size.cy);
if (safe_ExceptionOccurred(env)) {
env->ExceptionDescribe();
env->ExceptionClear();
}
return dimObj;
}
}
return NULL;
}
/*
* Class: sun_awt_windows_ThemeReader
* Method: getThemeBackgroundContentMargins
* Signature: (JIIII)Ljava/awt/Insets;
*/
JNIEXPORT jobject JNICALL Java_sun_awt_windows_ThemeReader_getThemeBackgroundContentMargins
(JNIEnv *env, jclass klass, jlong hTheme, jint part, jint state,
jint boundingWidth, jint boundingHeight) {
if (hTheme != NULL) {
RECT boundingRect;
boundingRect.left = 0;
boundingRect.top = 0;
boundingRect.right = boundingWidth;
boundingRect.bottom = boundingHeight;
RECT contentRect;
if (SUCCEEDED(GetThemeBackgroundContentRect((HTHEME) hTheme, NULL, part,
state, &boundingRect,
&contentRect))) {
return newInsets(env,
contentRect.top, contentRect.left,
boundingHeight - contentRect.bottom,
boundingWidth - contentRect.right);
}
}
return NULL;
}
/*
* Class: sun_awt_windows_ThemeReader
* Method: getThemeTransitionDuration
* Signature: (JIIII)J
*/
JNIEXPORT jlong JNICALL
Java_sun_awt_windows_ThemeReader_getThemeTransitionDuration
(JNIEnv *env, jclass klass, jlong theme, jint part, jint stateFrom,
jint stateTo, jint propId) {
jlong rv = -1;
if (GetThemeTransitionDuration != NULL) {
DWORD duration = 0;
if (SUCCEEDED(GetThemeTransitionDuration((HTHEME) theme, part,
stateFrom, stateTo, propId, &duration))) {
rv = duration;
}
}
return rv;
}
/*
* Class: sun_awt_windows_ThemeReader
* Method: isGetThemeTransitionDurationDefined
* Signature: ()Z
*/
JNIEXPORT jboolean JNICALL
Java_sun_awt_windows_ThemeReader_isGetThemeTransitionDurationDefined
(JNIEnv *env, jclass klass) {
return (GetThemeTransitionDuration != NULL) ? JNI_TRUE : JNI_FALSE;
}
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