diff options
Diffstat (limited to 'libjava/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkGlyphVector.c')
| -rw-r--r-- | libjava/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkGlyphVector.c | 696 |
1 files changed, 0 insertions, 696 deletions
diff --git a/libjava/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkGlyphVector.c b/libjava/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkGlyphVector.c deleted file mode 100644 index df720971957..00000000000 --- a/libjava/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkGlyphVector.c +++ /dev/null @@ -1,696 +0,0 @@ -/* gdkglyphvector.c - Copyright (C) 2003, 2004 Free Software Foundation, Inc. - - This file is part of GNU Classpath. - - GNU Classpath is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - GNU Classpath 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 for more details. - - You should have received a copy of the GNU General Public License - along with GNU Classpath; see the file COPYING. If not, write to the - Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. - - Linking this library statically or dynamically with other modules is - making a combined work based on this library. Thus, the terms and - conditions of the GNU General Public License cover the whole - combination. - - As a special exception, the copyright holders of this library give you - permission to link this library with independent modules to produce an - executable, regardless of the license terms of these independent - modules, and to copy and distribute the resulting executable under - terms of your choice, provided that you also meet, for each linked - independent module, the terms and conditions of the license of that - module. An independent module is a module which is not derived from - or based on this library. If you modify this library, you may extend - this exception to your version of the library, but you are not - obligated to do so. If you do not wish to do so, delete this - exception statement from your version. */ - -#include "gdkfont.h" -#include "gnu_java_awt_peer_gtk_GdkGlyphVector.h" - -struct state_table *native_glyphvector_state_table; - -typedef struct { - double x; - double y; - double width; - double height; -} rect_t; - -#define DOUBLE_TO_26_6(d) ((FT_F26Dot6)((d) * 64.0)) -#define DOUBLE_FROM_26_6(t) ((double)(t) / 64.0) -#define DOUBLE_TO_16_16(d) ((FT_Fixed)((d) * 65536.0)) -#define DOUBLE_FROM_16_16(t) ((double)(t) / 65536.0) - -JNIEXPORT void JNICALL -Java_gnu_java_awt_peer_gtk_GdkGlyphVector_initStaticState - (JNIEnv *env, jclass clazz) -{ - NSA_GV_INIT (env, clazz); -} - -JNIEXPORT void JNICALL -Java_gnu_java_awt_peer_gtk_GdkGlyphVector_initState - (JNIEnv *env, jobject self, jobject font, jobject ctx __attribute__ ((unused))) -{ - struct glyphvec *vec = NULL; - struct peerfont *pfont = NULL; - - gdk_threads_enter (); - g_assert (font != NULL); - pfont = (struct peerfont *)NSA_GET_FONT_PTR (env, font); - g_assert (pfont != NULL); - g_assert (pfont->ctx != NULL); - g_assert (pfont->desc != NULL); - - g_assert (self != NULL); - vec = (struct glyphvec *) g_malloc0 (sizeof (struct glyphvec)); - g_assert (vec != NULL); - - vec->desc = pango_font_describe (pfont->font); - g_assert (vec->desc != NULL); - - vec->font = pfont->font; - g_object_ref (vec->font); - - vec->ctx = pfont->ctx; - g_object_ref (vec->ctx); - - NSA_SET_GV_PTR (env, self, vec); - gdk_threads_leave (); -} - -static void free_glyphitems (GList *list) -{ - GList *i = NULL; - PangoGlyphItem *gi = NULL; - - for (i = g_list_first (list); i != NULL; i = g_list_next (i)) - { - g_assert (i->data != NULL); - gi = (PangoGlyphItem *)i->data; - - if (gi->glyphs != NULL) - pango_glyph_string_free (gi->glyphs); - - if (gi->item != NULL) - g_free (gi->item); - } - g_list_free (list); -} - -static void seek_glyphstring_idx (GList *list, int idx, - int *nidx, - PangoGlyphString **gs, - PangoFont **fnt) -{ - GList *i = NULL; - PangoGlyphItem *gi = NULL; - int begin = 0; - - g_assert (list != NULL); - g_assert (gs != NULL); - g_assert (nidx != NULL); - - - for (i = g_list_first (list); i != NULL; i = g_list_next (i)) - { - g_assert (i->data != NULL); - gi = (PangoGlyphItem *)i->data; - - g_assert (gi->glyphs != NULL); - - if (begin <= idx && idx < begin + gi->glyphs->num_glyphs) - { - *gs = gi->glyphs; - *nidx = idx - begin; - if (fnt && gi->item) - *fnt = gi->item->analysis.font; - return; - } - else - { - begin += gi->glyphs->num_glyphs; - } - } - *gs = NULL; - *nidx = -1; -} - -static void seek_glyph_idx (GList *list, int idx, - PangoGlyphInfo **g, - PangoFont **fnt) -{ - PangoGlyphString *gs = NULL; - int nidx = -1; - - g_assert (list != NULL); - g_assert (g != NULL); - - seek_glyphstring_idx (list, idx, &nidx, &gs, fnt); - - g_assert (gs != NULL); - g_assert (nidx != -1); - g_assert (nidx < gs->num_glyphs); - g_assert (gs->glyphs != NULL); - - *g = gs->glyphs + nidx; -} - -static void union_rects (rect_t *r1, - const rect_t *r2) -{ - rect_t r; - - g_assert (r1 != NULL); - g_assert (r2 != NULL); - - /* - x is the left edge of the rect, - y is the top edge of the rect - */ - -#ifndef min -#define min(x,y) ((x) < (y) ? (x) : (y)) -#endif - -#ifndef max -#define max(x,y) ((x) < (y) ? (y) : (x)) -#endif - - r.x = min(r1->x, r2->x); - - r.y = min(r1->y, r2->y); - - r.width = max(r1->x + r1->width, - r2->x + r2->width) - r.x; - - r.height = max(r1->y + r1->height, - r2->y + r2->height) - r.y; - - *r1 = r; -} - -static jdoubleArray rect_to_array (JNIEnv *env, const rect_t *r) -{ - /* We often return rectangles as arrays : { x, y, w, h } */ - jdoubleArray ret; - double *rp = NULL; - g_assert (r != NULL); - ret = (*env)->NewDoubleArray (env, 4); - rp = (*env)->GetDoubleArrayElements (env, ret, NULL); - g_assert (rp != NULL); - rp[0] = r->x; - /* freetype and pango's view of space is upside down from java2d's */ - rp[1] = r->y * -1; - rp[2] = r->width; - rp[3] = r->height; - (*env)->ReleaseDoubleArrayElements (env, ret, rp, 0); - return ret; -} - - -JNIEXPORT void JNICALL -Java_gnu_java_awt_peer_gtk_GdkGlyphVector_dispose - (JNIEnv *env, jobject self) -{ - struct glyphvec *vec = NULL; - - gdk_threads_enter (); - g_assert (self != NULL); - vec = (struct glyphvec *)NSA_DEL_GV_PTR (env, self); - g_assert (vec != NULL); - - if (vec->glyphitems != NULL) - { - free_glyphitems (vec->glyphitems); - vec->glyphitems = NULL; - } - - if (vec->desc != NULL) - pango_font_description_free (vec->desc); - - if (vec->ctx != NULL) - g_object_unref (vec->ctx); - - g_free (vec); - gdk_threads_leave (); -} - - -JNIEXPORT void JNICALL -Java_gnu_java_awt_peer_gtk_GdkGlyphVector_setChars - (JNIEnv *env, jobject self, jstring chars) -{ - struct glyphvec *vec = NULL; - gchar *str = NULL; - GList *items = NULL, *item = NULL; - PangoGlyphItem *gi; - PangoAttrList *attrs = NULL; - gint len = 0; - - gdk_threads_enter (); - g_assert (self != NULL); - vec = (struct glyphvec *)NSA_GET_GV_PTR (env, self); - g_assert (vec != NULL); - g_assert (vec->desc != NULL); - g_assert (vec->ctx != NULL); - - len = (*gdk_env)->GetStringUTFLength (env, chars); - str = (gchar *)(*env)->GetStringUTFChars (env, chars, NULL); - g_assert (str != NULL); - - /* step 1: set our FontFescription in the context, then "itemize" the - text */ - - attrs = pango_attr_list_new (); - g_assert (attrs != NULL); - - pango_context_set_font_description (vec->ctx, vec->desc); - - if (vec->glyphitems != NULL) - items = pango_itemize (vec->ctx, str, 0, len, attrs, NULL); - if (items != NULL) - { - - /* - step 2: for each item: - - shape the item into a glyphstring - - store the (item, glyphstring) pair in the vec->glyphitems list - */ - - if (vec->glyphitems != NULL) - { - free_glyphitems (vec->glyphitems); - vec->glyphitems = NULL; - } - - for (item = g_list_first (items); - item != NULL; - item = g_list_next (item)) - { - g_assert (item->data != NULL); - - gi = NULL; - gi = g_malloc0 (sizeof(PangoGlyphItem)); - g_assert (gi != NULL); - - gi->item = (PangoItem *)item->data; - gi->glyphs = pango_glyph_string_new (); - g_assert (gi->glyphs != NULL); - - if (gi->glyphs->num_glyphs > 0) - { - pango_shape (str + gi->item->offset, - gi->item->length, - &(gi->item->analysis), - gi->glyphs); - - vec->glyphitems = g_list_append (vec->glyphitems, gi); - } - } - - /* - ownership of each item has been transferred to glyphitems, - but the list should be freed. - */ - - g_list_free (items); - } - - pango_attr_list_unref (attrs); - - (*env)->ReleaseStringUTFChars (env, chars, str); - gdk_threads_leave (); -} - - -JNIEXPORT void JNICALL -Java_gnu_java_awt_peer_gtk_GdkGlyphVector_setGlyphCodes - (JNIEnv *env, jobject self, jintArray codes __attribute__ ((unused))) -{ - struct glyphvec *vec = NULL; - - gdk_threads_enter (); - g_assert (self != NULL); - vec = (struct glyphvec *)NSA_GET_GV_PTR (env, self); - g_assert (vec != NULL); - - /* - FIXME: setting glyph codes doesn't seem particularly plausible at the - moment. - */ - - gdk_threads_leave (); - -} - - -JNIEXPORT jint JNICALL -Java_gnu_java_awt_peer_gtk_GdkGlyphVector_glyphCode - (JNIEnv *env, jobject self, jint idx) -{ - struct glyphvec *vec = NULL; - PangoGlyphInfo *gi = NULL; - jint ret = 0; - - gdk_threads_enter (); - g_assert (self != NULL); - vec = (struct glyphvec *)NSA_GET_GV_PTR (env, self); - g_assert (vec != NULL); - g_assert (vec->glyphitems != NULL); - - seek_glyph_idx (vec->glyphitems, idx, &gi, NULL); - g_assert (gi != NULL); - ret = gi->glyph; - gdk_threads_leave (); - - return (jint)(ret); -} - - -JNIEXPORT jint JNICALL -Java_gnu_java_awt_peer_gtk_GdkGlyphVector_numGlyphs - (JNIEnv *env, jobject self) -{ - GList *i = NULL; - PangoGlyphItem *gi = NULL; - struct glyphvec *vec = NULL; - jint count = 0; - - gdk_threads_enter (); - g_assert (self != NULL); - vec = (struct glyphvec *)NSA_GET_GV_PTR (env, self); - g_assert (vec != NULL); - - for (i = g_list_first (vec->glyphitems); i != NULL; i = g_list_next (i)) - { - g_assert (i->data != NULL); - gi = (PangoGlyphItem *)i->data; - g_assert (gi->glyphs != NULL); - count += gi->glyphs->num_glyphs; - } - gdk_threads_leave (); - - return count; -} - - -JNIEXPORT jint JNICALL -Java_gnu_java_awt_peer_gtk_GdkGlyphVector_glyphCharIndex -(JNIEnv *env __attribute__ ((unused)), jobject self __attribute__ ((unused)), jint idx) -{ - /* - FIXME: this is not correct, rather it assumes a (broken) 1:1 - glyph:char model. it can be implemented in terms of bytes (also - broken) using pango's current interface, or perhaps in terms of - characters if some better byte->character conversion operator is - found. for the time being we leave it broken. - */ - return idx; -} - -static void -assume_pointsize_and_identity_transform(double pointsize, - FT_Face face) -{ - FT_Matrix mat; - mat.xx = DOUBLE_TO_16_16(1); - mat.xy = DOUBLE_TO_16_16(0); - mat.yx = DOUBLE_TO_16_16(0); - mat.yy = DOUBLE_TO_16_16(1); - FT_Set_Transform(face, &mat, NULL); - FT_Set_Char_Size( face, - DOUBLE_TO_26_6 (pointsize), - DOUBLE_TO_26_6 (pointsize), - 0, 0); -} - -JNIEXPORT jdoubleArray JNICALL -Java_gnu_java_awt_peer_gtk_GdkGlyphVector_allInkExtents - (JNIEnv *env, jobject self) -{ - struct glyphvec *vec = NULL; - int j; - GList *i; - PangoGlyphItem *gi = NULL; - rect_t rect = {0,0,0,0}; - rect_t tmp; - jdoubleArray ret; - double x = 0, y = 0; - double pointsize; - FT_Face face; - - gdk_threads_enter (); - g_assert (self != NULL); - vec = (struct glyphvec *)NSA_GET_GV_PTR (env, self); - g_assert (vec != NULL); - if (vec->glyphitems != NULL) - { - pointsize = pango_font_description_get_size (vec->desc); - pointsize /= (double) PANGO_SCALE; - - for (i = g_list_first (vec->glyphitems); i != NULL; i = g_list_next (i)) - { - g_assert (i->data != NULL); - gi = (PangoGlyphItem *)i->data; - g_assert (gi->glyphs != NULL); - - face = pango_ft2_font_get_face (gi->item->analysis.font); - assume_pointsize_and_identity_transform (pointsize, face); - - for (j = 0; j < gi->glyphs->num_glyphs; ++j) - { - FT_Load_Glyph (face, - gi->glyphs->glyphs[j].glyph, - FT_LOAD_DEFAULT); - /* FIXME: this needs to change for vertical layouts */ - tmp.x = x + DOUBLE_FROM_26_6 (face->glyph->metrics.horiBearingX); - tmp.y = y + DOUBLE_FROM_26_6 (face->glyph->metrics.horiBearingY); - tmp.width = DOUBLE_FROM_26_6 (face->glyph->metrics.width); - tmp.height = DOUBLE_FROM_26_6 (face->glyph->metrics.height); - union_rects (&rect, &tmp); - x += DOUBLE_FROM_26_6 (face->glyph->advance.x); - y += DOUBLE_FROM_26_6 (face->glyph->advance.y); - } - } - } - - ret = rect_to_array (env, &rect); - gdk_threads_leave (); - return ret; -} - - -JNIEXPORT jdoubleArray JNICALL -Java_gnu_java_awt_peer_gtk_GdkGlyphVector_allLogicalExtents - (JNIEnv *env, jobject self) -{ - struct glyphvec *vec = NULL; - int j; - GList *i; - PangoGlyphItem *gi = NULL; - rect_t rect = {0,0,0,0}; - rect_t tmp; - jdoubleArray ret; - double x = 0, y = 0; - double pointsize; - FT_Face face; - - gdk_threads_enter (); - g_assert (self != NULL); - vec = (struct glyphvec *)NSA_GET_GV_PTR (env, self); - g_assert (vec != NULL); - g_assert (vec->glyphitems != NULL); - - pointsize = pango_font_description_get_size (vec->desc); - pointsize /= (double) PANGO_SCALE; - - for (i = g_list_first (vec->glyphitems); i != NULL; i = g_list_next (i)) - { - g_assert (i->data != NULL); - gi = (PangoGlyphItem *)i->data; - g_assert (gi->glyphs != NULL); - - face = pango_ft2_font_get_face (gi->item->analysis.font); - assume_pointsize_and_identity_transform (pointsize, face); - - for (j = 0; j < gi->glyphs->num_glyphs; ++j) - { - FT_Load_Glyph (face, gi->glyphs->glyphs[j].glyph, FT_LOAD_DEFAULT); - - /* FIXME: also, this is probably not the correct set of metrics; - the "logical bounds" are some fancy combination of hori - advance and height such that it's good for inverting as a - highlight. revisit. */ - - tmp.x = x; - tmp.y = y; - tmp.width = DOUBLE_FROM_26_6 (face->glyph->advance.x); - tmp.height = DOUBLE_FROM_26_6 (face->glyph->advance.y); - union_rects (&rect, &tmp); - x += DOUBLE_FROM_26_6 (face->glyph->advance.x); - y += DOUBLE_FROM_26_6 (face->glyph->advance.y); - } - } - - ret = rect_to_array (env, &rect); - gdk_threads_leave (); - return ret; -} - - -JNIEXPORT jdoubleArray JNICALL -Java_gnu_java_awt_peer_gtk_GdkGlyphVector_glyphLogicalExtents - (JNIEnv *env, jobject self, jint idx) -{ - struct glyphvec *vec = NULL; - rect_t rect = {0,0,0,0}; - PangoGlyphInfo *gi = NULL; - PangoFont *font = NULL; - jdoubleArray ret; - double pointsize; - FT_Face face; - - gdk_threads_enter (); - g_assert (self != NULL); - vec = (struct glyphvec *)NSA_GET_GV_PTR (env, self); - g_assert (vec != NULL); - g_assert (vec->glyphitems != NULL); - - seek_glyph_idx (vec->glyphitems, idx, &gi, &font); - g_assert (gi != NULL); - g_assert (font != NULL); - - pointsize = pango_font_description_get_size (vec->desc); - pointsize /= (double) PANGO_SCALE; - face = pango_ft2_font_get_face (font); - - assume_pointsize_and_identity_transform (pointsize, face); - - FT_Load_Glyph (face, gi->glyph, FT_LOAD_DEFAULT); - - /* FIXME: this is probably not the correct set of metrics; - the "logical bounds" are some fancy combination of hori - advance and height such that it's good for inverting as a - highlight. revisit. */ - - rect.x = 0; - rect.y = 0; - rect.width = DOUBLE_FROM_26_6 (face->glyph->advance.x); - rect.height = DOUBLE_FROM_26_6 (face->glyph->advance.y); - - ret = rect_to_array (env, &rect); - gdk_threads_leave (); - return ret; -} - - -JNIEXPORT jdoubleArray JNICALL -Java_gnu_java_awt_peer_gtk_GdkGlyphVector_glyphInkExtents - (JNIEnv *env, jobject self, jint idx) -{ - struct glyphvec *vec = NULL; - rect_t rect = {0,0,0,0}; - PangoGlyphInfo *gi = NULL; - PangoFont *font = NULL; - jdoubleArray ret; - double pointsize; - FT_Face face; - - gdk_threads_enter (); - g_assert (self != NULL); - vec = (struct glyphvec *)NSA_GET_GV_PTR (env, self); - g_assert (vec != NULL); - g_assert (vec->glyphitems != NULL); - - seek_glyph_idx (vec->glyphitems, idx, &gi, &font); - g_assert (gi != NULL); - g_assert (font != NULL); - - pointsize = pango_font_description_get_size (vec->desc); - pointsize /= (double) PANGO_SCALE; - face = pango_ft2_font_get_face (font); - - assume_pointsize_and_identity_transform (pointsize, face); - - FT_Load_Glyph (face, gi->glyph, FT_LOAD_DEFAULT); - /* FIXME: this needs to change for vertical layouts */ - rect.x = DOUBLE_FROM_26_6 (face->glyph->metrics.horiBearingX); - rect.y = DOUBLE_FROM_26_6 (face->glyph->metrics.horiBearingY); - rect.width = DOUBLE_FROM_26_6 (face->glyph->metrics.width); - rect.height = DOUBLE_FROM_26_6 (face->glyph->metrics.height); - - ret = rect_to_array (env, &rect); - gdk_threads_leave (); - return ret; -} - - -JNIEXPORT jboolean JNICALL -Java_gnu_java_awt_peer_gtk_GdkGlyphVector_glyphIsHorizontal -(JNIEnv *env, jobject self, jint idx __attribute__ ((unused))) -{ - struct glyphvec *vec = NULL; - PangoDirection dir; - - gdk_threads_enter (); - g_assert (self != NULL); - vec = (struct glyphvec *)NSA_GET_GV_PTR (env, self); - g_assert (vec != NULL); - g_assert (vec->desc != NULL); - g_assert (vec->ctx != NULL); - - /* - FIXME: this is an approximation; it's not clear to me whether - glyphs themselves are horizontal or vertical so much as the - writing system or writing context. pango thinks it's a context - issue, so we use that for now. - */ - - dir = pango_context_get_base_dir (vec->ctx); - - gdk_threads_leave (); - - return 1; - /* FIXME: Pango doesn't seem to have decided how it will deal - with vertical text. for the time being we inherit this limitation. - ((dir == PANGO_DIRECTION_LTR) || - (dir == PANGO_DIRECTION_RTL)); - */ -} - - -JNIEXPORT jboolean JNICALL -Java_gnu_java_awt_peer_gtk_GdkGlyphVector_isEqual - (JNIEnv *env, jobject self, jobject other) -{ - struct glyphvec *vec1 = NULL, *vec2 = NULL; - jboolean eq = 0; - - gdk_threads_enter (); - g_assert (self != NULL); - vec1 = (struct glyphvec *)NSA_GET_GV_PTR (env, self); - vec2 = (struct glyphvec *)NSA_GET_GV_PTR (env, other); - g_assert (vec1 != NULL); - g_assert (vec2 != NULL); - - /* FIXME: is there some more advantageous definition of equality for - glyph vectors? */ - eq = (vec1 == vec2); - - gdk_threads_leave (); - return eq; -} - - |