31 #include <stdlib.h>
32
33 #if defined(__GNUC__) && __GNUC__ >= 4
34 #define HB_UNUSED __attribute__((unused))
35 #else
36 #define HB_UNUSED
37 #endif
38
39 static hb_bool_t
40 hb_jdk_get_glyph (hb_font_t *font HB_UNUSED,
41 void *font_data,
42 hb_codepoint_t unicode,
43 hb_codepoint_t variation_selector,
44 hb_codepoint_t *glyph,
45 void *user_data HB_UNUSED)
46 {
47
48 JDKFontInfo *jdkFontInfo = (JDKFontInfo*)font_data;
49 JNIEnv* env = jdkFontInfo->env;
50 jobject font2D = jdkFontInfo->font2D;
51 hb_codepoint_t u = (variation_selector==0) ? unicode : variation_selector;
52
53 *glyph = (hb_codepoint_t)
54 env->CallIntMethod(font2D, sunFontIDs.f2dCharToGlyphMID, u);
55 if ((int)*glyph < 0) {
56 *glyph = 0;
57 }
58 return (*glyph != 0);
59 }
60
61 static hb_position_t
62 hb_jdk_get_glyph_h_advance (hb_font_t *font HB_UNUSED,
63 void *font_data,
64 hb_codepoint_t glyph,
65 void *user_data HB_UNUSED)
66 {
67
68 float fadv = 0.0f;
69 if ((glyph & 0xfffe) == 0xfffe) {
70 return 0; // JDK uses this glyph code.
71 }
72
73 JDKFontInfo *jdkFontInfo = (JDKFontInfo*)font_data;
74 JNIEnv* env = jdkFontInfo->env;
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31 #include <stdlib.h>
32
33 #if defined(__GNUC__) && __GNUC__ >= 4
34 #define HB_UNUSED __attribute__((unused))
35 #else
36 #define HB_UNUSED
37 #endif
38
39 static hb_bool_t
40 hb_jdk_get_glyph (hb_font_t *font HB_UNUSED,
41 void *font_data,
42 hb_codepoint_t unicode,
43 hb_codepoint_t variation_selector,
44 hb_codepoint_t *glyph,
45 void *user_data HB_UNUSED)
46 {
47
48 JDKFontInfo *jdkFontInfo = (JDKFontInfo*)font_data;
49 JNIEnv* env = jdkFontInfo->env;
50 jobject font2D = jdkFontInfo->font2D;
51 if (variation_selector == 0) {
52 *glyph = (hb_codepoint_t)env->CallIntMethod(
53 font2D, sunFontIDs.f2dCharToGlyphMID, unicode);
54 if (env->ExceptionOccurred())
55 {
56 env->ExceptionDescribe();
57 env->ExceptionClear();
58 }
59 } else {
60 jintArray unicodes = NULL;
61 jintArray results = NULL;
62 jint* tmp = NULL;
63
64 *glyph = 0;
65 unicodes = env->NewIntArray(2);
66 if (unicodes == NULL) {
67 goto cleanup;
68 }
69 results = env->NewIntArray(2);
70 if (results == NULL) {
71 goto cleanup;
72 }
73
74 tmp = new jint[2];
75 if (tmp == NULL) {
76 goto cleanup;
77 }
78 tmp[0] = unicode;
79 tmp[1] = variation_selector;
80
81 env->SetIntArrayRegion(unicodes, 0, 2, tmp);
82 env->CallVoidMethod(font2D, sunFontIDs.f2dCharsToGlyphsMID, 2,
83 unicodes, results);
84 if (env->ExceptionOccurred())
85 {
86 env->ExceptionDescribe();
87 env->ExceptionClear();
88 goto cleanup;
89 }
90 env->GetIntArrayRegion(results, 0, 2, tmp);
91 *glyph = tmp[0];
92 cleanup:
93 if (unicodes != NULL) {
94 env->DeleteLocalRef(unicodes);
95 }
96 if (results != NULL) {
97 env->DeleteLocalRef(results);
98 }
99 if (tmp != NULL) {
100 delete [] tmp;
101 }
102 }
103 if ((int)*glyph < 0) {
104 *glyph = 0;
105 }
106 return (*glyph != 0);
107 }
108
109 static hb_position_t
110 hb_jdk_get_glyph_h_advance (hb_font_t *font HB_UNUSED,
111 void *font_data,
112 hb_codepoint_t glyph,
113 void *user_data HB_UNUSED)
114 {
115
116 float fadv = 0.0f;
117 if ((glyph & 0xfffe) == 0xfffe) {
118 return 0; // JDK uses this glyph code.
119 }
120
121 JDKFontInfo *jdkFontInfo = (JDKFontInfo*)font_data;
122 JNIEnv* env = jdkFontInfo->env;
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