/**
* Gets the total advance width of the given <tt>String</tt> in this
* <tt>Font</tt>.
* <p>
* Java declaration:
* <pre>
* stringWidth(Ljava/lang/String;)I
* </pre>
*
* @param str the <tt>String</tt> to be measured
*
* @return the total advance width of the <tt>String</tt> in pixels
*/
KNIEXPORT KNI_RETURNTYPE_INT
KNIDECL(javax_microedition_lcdui_Font_stringWidth) {
int strLen;
jint result = 0;
KNI_StartHandles(2);
KNI_DeclareHandle(str);
KNI_DeclareHandle(thisObject);
KNI_GetParameterAsObject(1, str);
KNI_GetParameterAsObject(0, thisObject);
if ((strLen = KNI_GetStringLength(str)) == -1) {
KNI_ThrowNew(midpNullPointerException, NULL);
} else {
int face, style, size;
_JavaString *jstr;
DECLARE_FONT_PARAMS(thisObject);
SNI_BEGIN_RAW_POINTERS;
jstr = GET_STRING_PTR(str);
result = gx_get_charswidth(face, style, size,
jstr->value->elements + jstr->offset,
strLen);
SNI_END_RAW_POINTERS;
}
KNI_EndHandles();
KNI_ReturnInt(result);
}
/**
* Gets the advance width of the specified character using this
* <tt>Font</tt>.
* <p>
* Java declaration:
* <pre>
* charWidth(C)I
* </pre>
*
* @param ch the character to be measured
*
* @return the total advance width in pixels (a non-negative value)
*/
KNIEXPORT KNI_RETURNTYPE_INT
KNIDECL(javax_microedition_lcdui_Font_charWidth) {
jchar c = (jchar)KNI_GetParameterAsChar(1);
int face, style, size;
KNI_StartHandles(1);
KNI_DeclareHandle(thisObject);
KNI_GetParameterAsObject(0, thisObject);
DECLARE_FONT_PARAMS(thisObject);
KNI_EndHandles();
KNI_ReturnInt(gx_get_charswidth(face, style, size, &c, 1));
}
//KNIEXPORT KNI_RETURNTYPE_INT
//KNIDECL(javax_microedition_lcdui_Font_charsWidth) {
JNIEXPORT jint JNICALL Java_org_thenesis_microbackend_ui_graphics_toolkit_gxj_GXJFont_charsWidth(JNIEnv *env, jobject font, jcharArray ch,
jint offset, jint length) {
int chLen;
jint result = 0;
if ((chLen = (*env)->GetArrayLength(env, ch)) == -1) {
GXJ_ThrowException(env, "java/lang/NullPointerException", "Input char array is null");
} else if ((offset < 0) || (offset > chLen) || (length < 0) || (length > chLen) || ((offset + length) < 0)
|| ((offset + length) > chLen)) {
GXJ_ThrowException(env, "java/lang/IndexOutOfBoundsException", "");
} else if (length != 0) {
jint face, style, size;
GXJFont_getFontType(env, font, &face, &style, &size);
jchar *carr = (*env)->GetCharArrayElements(env, ch, NULL);
result = gx_get_charswidth(face, style, size, &carr[offset], length);
}
return result;
}
/**
* Gets the combined advance width of multiple characters, starting at
* the specified offset and for the specified number of characters using
* this <tt>Font</tt>.
* <p>
* Java declaration:
* <pre>
* charsWidth([CII)I
* </pre>
*
* @param ch the array of characters to be measured
* @param offset the index of the first character to measure
* @param length the number of characters to measure
*
* @return the total width of the character range in pixels
*/
KNIEXPORT KNI_RETURNTYPE_INT
KNIDECL(javax_microedition_lcdui_Font_charsWidth) {
int length = (int)KNI_GetParameterAsInt(3);
int offset = (int)KNI_GetParameterAsInt(2);
int chLen;
jint result = 0;
KNI_StartHandles(2);
KNI_DeclareHandle(ch);
KNI_DeclareHandle(thisObject);
KNI_GetParameterAsObject(1, ch);
KNI_GetParameterAsObject(0, thisObject);
if ((chLen = KNI_GetArrayLength(ch)) == -1) {
KNI_ThrowNew(midpNullPointerException, NULL);
} else if ( (offset < 0)
|| (offset > chLen)
|| (length < 0)
|| (length > chLen)
|| ((offset + length) < 0)
|| ((offset + length) > chLen)) {
KNI_ThrowNew(midpArrayIndexOutOfBoundsException, NULL);
} else if (length != 0) {
int face, style, size;
DECLARE_FONT_PARAMS(thisObject);
SNI_BEGIN_RAW_POINTERS;
result = gx_get_charswidth(face, style, size,
&(JavaCharArray(ch)[offset]),
length);
SNI_END_RAW_POINTERS;
}
KNI_EndHandles();
KNI_ReturnInt(result);
}
/**
* Gets the advance width of the specified character using this
* <tt>Font</tt>.
* <p>
* Java declaration:
* <pre>
* charWidth(C)I
* </pre>
*
* @param ch the character to be measured
*
* @return the total advance width in pixels (a non-negative value)
*/
JNIEXPORT jint JNICALL Java_org_thenesis_microbackend_ui_graphics_toolkit_gxj_GXJFont_charWidth(JNIEnv *env, jobject font, jchar c) {
jint face, style, size;
GXJFont_getFontType(env, font, &face, &style, &size);
return gx_get_charswidth(face, style, size, &c, 1);
}