diff options
Diffstat (limited to 'native/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkTextLayout.c')
| -rw-r--r-- | native/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkTextLayout.c | 547 |
1 files changed, 0 insertions, 547 deletions
diff --git a/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkTextLayout.c b/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkTextLayout.c deleted file mode 100644 index 849998791..000000000 --- a/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkTextLayout.c +++ /dev/null @@ -1,547 +0,0 @@ -/* gnu_java_awt_GdkTextLayout.c - Copyright (C) 2004, 2005, 2006 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., 51 Franklin Street, Fifth Floor, Boston, MA - 02110-1301 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 <jni.h> -#include <gtk/gtk.h> -#include <string.h> -#include <pango/pango.h> -#include <pango/pangoft2.h> -#include <pango/pangofc-font.h> -#include <freetype/ftglyph.h> -#include <freetype/ftoutln.h> -#include "jcl.h" -#include "native_state.h" -#include "gdkfont.h" -#include "gnu_java_awt_peer_gtk_GdkTextLayout.h" -#include "cairographics2d.h" - -struct state_table *cp_gtk_native_text_layout_state_table; - -typedef struct gp -{ - JNIEnv *env; - jobject obj; - double px; - double py; - double sx; - double sy; -} generalpath ; - -static void paint_glyph_run(cairo_t *cr, cairo_glyph_t **glyphs, - gint *n_glyphs, PangoLayoutRun *run); - -JNIEXPORT void JNICALL -Java_gnu_java_awt_peer_gtk_GdkTextLayout_initStaticState - (JNIEnv *env, jclass clazz) -{ - NSA_TEXT_LAYOUT_INIT (env, clazz); -} - -JNIEXPORT void JNICALL -Java_gnu_java_awt_peer_gtk_GdkTextLayout_initState - (JNIEnv *env, jobject self) -{ - struct textlayout *tl; - - gdk_threads_enter (); - - g_assert(self != NULL); - tl = g_malloc0 (sizeof (struct textlayout)); - g_assert(tl != NULL); - tl->pango_layout = pango_layout_new(gdk_pango_context_get()); - g_assert(tl->pango_layout != NULL); - NSA_SET_TEXT_LAYOUT_PTR (env, self, tl); - - gdk_threads_leave (); -} - -JNIEXPORT void JNICALL -Java_gnu_java_awt_peer_gtk_GdkTextLayout_setText - (JNIEnv *env, jobject self, jstring text) -{ - struct textlayout *tl; - gchar *str = NULL; - gint len = 0; - - g_assert(self != NULL); - g_assert(text != NULL); - - tl = (struct textlayout *)NSA_GET_TEXT_LAYOUT_PTR (env, self); - g_assert(tl != NULL); - g_assert(tl->pango_layout != NULL); - - len = (*env)->GetStringUTFLength (env, text); - str = (gchar *)(*env)->GetStringUTFChars (env, text, NULL); - g_assert (str != NULL); - - gdk_threads_enter (); - - pango_layout_set_text (tl->pango_layout, str, len); - - (*env)->ReleaseStringUTFChars (env, text, str); - - gdk_threads_leave (); -} - -JNIEXPORT void JNICALL -Java_gnu_java_awt_peer_gtk_GdkTextLayout_setFont (JNIEnv *env, jobject obj, jobject font) -{ - struct textlayout *tl; - struct peerfont *pf; - - g_assert(obj != NULL); - g_assert(font != NULL); - - tl = (struct textlayout *)NSA_GET_TEXT_LAYOUT_PTR (env, obj); - g_assert(tl != NULL); - g_assert(tl->pango_layout != NULL); - pf = (struct peerfont *)NSA_GET_FONT_PTR (env, font); - g_assert(pf != NULL); - - gdk_threads_enter (); - - pango_layout_set_font_description(tl->pango_layout, pf->desc); - - gdk_threads_leave (); -} - -JNIEXPORT void JNICALL -Java_gnu_java_awt_peer_gtk_GdkTextLayout_indexToPos - (JNIEnv *env, jobject self, jint idx, jdoubleArray javaPos) -{ - struct textlayout *tl; - PangoRectangle pangoPos; - jdouble *nativePos; - - gdk_threads_enter (); - - g_assert(self != NULL); - g_assert(javaPos != NULL); - - tl = (struct textlayout *)NSA_GET_TEXT_LAYOUT_PTR (env, self); - g_assert(tl != NULL); - g_assert(tl->pango_layout != NULL); - - g_assert((*env)->GetArrayLength (env, javaPos) == 4); - - nativePos = (*env)->GetDoubleArrayElements (env, javaPos, NULL); - - pango_layout_index_to_pos (tl->pango_layout, idx, &pangoPos); - - nativePos[0] = (jdouble) pangoPos.x; - nativePos[1] = (jdouble) pangoPos.y; - nativePos[2] = (jdouble) pangoPos.width; - nativePos[3] = (jdouble) pangoPos.height; - - (*env)->ReleaseDoubleArrayElements (env, javaPos, nativePos, 0); - - gdk_threads_leave (); -} - -JNIEXPORT void JNICALL -Java_gnu_java_awt_peer_gtk_GdkTextLayout_getExtents - (JNIEnv *env, jobject self, jdoubleArray javaInkExtents, jdoubleArray javaLogExtents) -{ - struct textlayout *tl; - PangoRectangle pangoInkExtents, pangoLogExtents; - jdouble *nativeInkExtents, *nativeLogExtents; - - gdk_threads_enter (); - - g_assert(self != NULL); - g_assert(javaInkExtents != NULL); - g_assert(javaLogExtents != NULL); - - tl = (struct textlayout *)NSA_GET_TEXT_LAYOUT_PTR (env, self); - g_assert(tl != NULL); - g_assert(tl->pango_layout != NULL); - - g_assert((*env)->GetArrayLength (env, javaInkExtents) == 4); - g_assert((*env)->GetArrayLength (env, javaLogExtents) == 4); - - nativeInkExtents = (*env)->GetDoubleArrayElements (env, javaInkExtents, NULL); - nativeLogExtents = (*env)->GetDoubleArrayElements (env, javaLogExtents, NULL); - - pango_layout_get_extents (tl->pango_layout, - &pangoInkExtents, &pangoLogExtents); - - nativeInkExtents[0] = (jdouble) pangoInkExtents.x; - nativeInkExtents[1] = (jdouble) pangoInkExtents.y; - nativeInkExtents[2] = (jdouble) pangoInkExtents.width; - nativeInkExtents[3] = (jdouble) pangoInkExtents.height; - - nativeLogExtents[0] = (jdouble) pangoLogExtents.x; - nativeLogExtents[1] = (jdouble) pangoLogExtents.y; - nativeLogExtents[2] = (jdouble) pangoLogExtents.width; - nativeLogExtents[3] = (jdouble) pangoLogExtents.height; - - (*env)->ReleaseDoubleArrayElements (env, javaInkExtents, nativeInkExtents, 0); - (*env)->ReleaseDoubleArrayElements (env, javaLogExtents, nativeLogExtents, 0); - - gdk_threads_leave (); -} - -JNIEXPORT void JNICALL -Java_gnu_java_awt_peer_gtk_GdkTextLayout_dispose - (JNIEnv *env, jobject self) -{ - struct textlayout *tl; - - gdk_threads_enter (); - - g_assert(self != NULL); - tl = (struct textlayout *) NSA_DEL_TEXT_LAYOUT_PTR (env, self); - g_assert(tl != NULL); - if (tl->pango_layout != NULL) - g_object_unref (tl->pango_layout); - g_free(tl); - - gdk_threads_leave (); -} - -/** - * Draw this textlayout on a cairo surface - * FIXME: Seems completely broken. - */ -JNIEXPORT void JNICALL -Java_gnu_java_awt_peer_gtk_GdkTextLayout_cairoDrawGdkTextLayout - (JNIEnv *env, jobject obj, jlong cg2d, jfloat x, jfloat y) -{ - /* - * FIXME: Some day we expect either cairo or pango will know how to make - * a pango layout paint to a cairo surface. that day is not yet here. - */ - - struct cairographics2d *gr = JLONG_TO_PTR(struct cairographics2d, cg2d); - cairo_t *cr = gr->cr; - struct textlayout *tl = NULL; - PangoLayoutIter *i = NULL; - PangoLayoutRun *run = NULL; - cairo_glyph_t *glyphs = NULL; - gint n_glyphs = 0; - - tl = (struct textlayout *)NSA_GET_TEXT_LAYOUT_PTR (env, obj); - - g_assert (cr != NULL); - g_assert (tl != NULL); - g_assert (tl->pango_layout != NULL); - - gdk_threads_enter (); - - i = pango_layout_get_iter (tl->pango_layout); - g_assert (i != NULL); - - cairo_translate (cr, x, y); - - do - { - run = pango_layout_iter_get_run (i); - if (run != NULL) - paint_glyph_run (cr, &glyphs, &n_glyphs, run); - } - while (pango_layout_iter_next_run (i)); - - if (glyphs != NULL) - g_free (glyphs); - - cairo_translate (cr, -x, -y); - - pango_layout_iter_free (i); - - gdk_threads_leave (); -} - -static void -paint_glyph_run(cairo_t *cr, - cairo_glyph_t **glyphs, - gint *n_glyphs, - PangoLayoutRun *run) -{ - gint i = 0; - gint x = 0, y = 0; - - g_assert (cr != NULL); - g_assert (glyphs != NULL); - g_assert (n_glyphs != NULL); - g_assert (run != NULL); - - if (run->glyphs != NULL && run->glyphs->num_glyphs > 0) - { - if (*n_glyphs < run->glyphs->num_glyphs) - { - *glyphs = g_realloc(*glyphs, - (sizeof(cairo_glyph_t) - * run->glyphs->num_glyphs)); - *n_glyphs = run->glyphs->num_glyphs; - } - - g_assert (*glyphs != NULL); - - for (i = 0; i < run->glyphs->num_glyphs; ++i) - { - (*glyphs)[i].index = run->glyphs->glyphs[i].glyph; - - (*glyphs)[i].x = - ((double) (x + run->glyphs->glyphs[i].geometry.x_offset)) - / ((double) PANGO_SCALE); - - (*glyphs)[i].y = - ((double) (y + run->glyphs->glyphs[i].geometry.y_offset)) - / ((double) PANGO_SCALE); - - x += run->glyphs->glyphs[i].geometry.width; - } - cairo_show_glyphs (cr, *glyphs, run->glyphs->num_glyphs); - } -} - -/* GetOutline code follows ****************************/ -/********* Freetype callback functions *****************************/ - -static int _moveTo( const FT_Vector* to, - void *p) -{ - JNIEnv *env; - jobject obj; - jclass cls; - jmethodID method; - jvalue values[2]; - generalpath *path = (generalpath *) p; - - env = path->env; - obj = path->obj; - - values[0].f = (jfloat)(to->x * path->sx + path->px); - values[1].f = (jfloat)(to->y * path->sy + path->py); - - cls = (*env)->FindClass (env, "java/awt/geom/GeneralPath"); - method = (*env)->GetMethodID (env, cls, "moveTo", "(FF)V"); - (*env)->CallVoidMethodA(env, obj, method, values ); - - return 0; -} - -static int _lineTo( const FT_Vector* to, - void *p) -{ - JNIEnv *env; - jobject obj; - jclass cls; - jmethodID method; - jvalue values[2]; - generalpath *path = (generalpath *) p; - - env = path->env; - obj = path->obj; - values[0].f = (jfloat)(to->x * path->sx + path->px); - values[1].f = (jfloat)(to->y * path->sy + path->py); - - cls = (*env)->FindClass (env, "java/awt/geom/GeneralPath"); - method = (*env)->GetMethodID (env, cls, "lineTo", "(FF)V"); - (*env)->CallVoidMethodA(env, obj, method, values ); - - return 0; -} - -static int _quadTo( const FT_Vector* cp, - const FT_Vector* to, - void *p) -{ - JNIEnv *env; - jobject obj; - jclass cls; - jmethodID method; - jvalue values[4]; - generalpath *path = (generalpath *) p; - - env = path->env; - obj = path->obj; - values[0].f = (jfloat)(cp->x * path->sx + path->px); - values[1].f = (jfloat)(cp->y * path->sy + path->py); - values[2].f = (jfloat)(to->x * path->sx + path->px); - values[3].f = (jfloat)(to->y * path->sy + path->py); - - cls = (*env)->FindClass (env, "java/awt/geom/GeneralPath"); - method = (*env)->GetMethodID (env, cls, "quadTo", "(FFFF)V"); - (*env)->CallVoidMethodA(env, obj, method, values ); - - return 0; -} - -static int _curveTo( const FT_Vector* cp1, - const FT_Vector* cp2, - const FT_Vector* to, - void *p) -{ - JNIEnv *env; - jobject obj; - jclass cls; - jmethodID method; - jvalue values[6]; - generalpath *path = (generalpath *) p; - - env = path->env; - obj = path->obj; - values[0].f = (jfloat)(cp1->x * path->sx + path->px); - values[1].f = (jfloat)(cp1->y * path->sy + path->py); - values[2].f = (jfloat)(cp2->x * path->sx + path->px); - values[3].f = (jfloat)(cp2->y * path->sy + path->py); - values[4].f = (jfloat)(to->x * path->sx + path->px); - values[5].f = (jfloat)(to->y * path->sy + path->py); - - cls = (*env)->FindClass (env, "java/awt/geom/GeneralPath"); - method = (*env)->GetMethodID (env, cls, "curveTo", "(FFFFFF)V"); - (*env)->CallVoidMethodA(env, obj, method, values ); - - return 0; -} - - -JNIEXPORT jobject JNICALL -Java_gnu_java_awt_peer_gtk_GdkTextLayout_getOutline - (JNIEnv *env, jobject obj, jobject transform) -{ - struct textlayout *tl; - generalpath *path; - jobject gp; - GSList *current_run; - PangoLayoutLine *current_line; - FT_Outline_Funcs ftCallbacks = - { - (FT_Outline_MoveToFunc) _moveTo, - (FT_Outline_LineToFunc) _lineTo, - (FT_Outline_ConicToFunc) _quadTo, - (FT_Outline_CubicToFunc) _curveTo, - 0, - 0 - }; - PangoLayoutIter* layoutIterator; - - gdk_threads_enter (); - - tl = (struct textlayout *)NSA_GET_TEXT_LAYOUT_PTR (env, obj); - g_assert(tl != NULL); - g_assert(tl->pango_layout != NULL); - - path = g_malloc0 (sizeof (generalpath)); - g_assert(path != NULL); - path->env = env; - - /* Scaling factors */ - path->sx = PANGO_SCALE/65536.0; - path->sy = -PANGO_SCALE/65536.0; - - { /* create a GeneralPath instance */ - jclass cls; - jmethodID method; - - cls = (*env)->FindClass (env, "java/awt/geom/GeneralPath"); - method = (*env)->GetMethodID (env, cls, "<init>", "()V"); - gp = path->obj = (*env)->NewObject (env, cls, method); - } - - layoutIterator = pango_layout_get_iter (tl->pango_layout); - g_assert (layoutIterator != NULL); - - if (pango_layout_iter_get_line (layoutIterator)) - do - { - PangoRectangle line_logical_rect; - current_line = pango_layout_iter_get_line (layoutIterator); - pango_layout_iter_get_line_extents (layoutIterator, - NULL, - &line_logical_rect); - - path->px = line_logical_rect.x/(double)PANGO_SCALE; - path->py = line_logical_rect.y/(double)PANGO_SCALE; - - current_run = current_line->runs; - while (current_run) - { - FT_Face ft_face; - int index; - PangoGlyphItem *run = current_run->data; - PangoGlyphString *glyphs = run->glyphs; - - PangoAnalysis *analysis = &run->item->analysis; - g_assert (analysis != NULL); - g_assert (analysis->font != NULL); - - ft_face = pango_fc_font_lock_face ((PangoFcFont *)analysis->font); - g_assert (ft_face != NULL); - - for (index = 0; index < glyphs->num_glyphs; index++) - { - FT_Glyph glyph; - FT_Error fterror; - PangoGlyphGeometry pgg = glyphs->glyphs[index].geometry; - - fterror = FT_Load_Glyph(ft_face, - (FT_UInt)(glyphs->glyphs[index].glyph), - FT_LOAD_DEFAULT | FT_LOAD_NO_BITMAP); - g_assert(fterror == 0); - - FT_Get_Glyph (ft_face->glyph, &glyph); - FT_Outline_Decompose (&(((FT_OutlineGlyph)glyph)->outline), - &ftCallbacks, path); - FT_Done_Glyph (glyph); - - path->px += pgg.width/(double)PANGO_SCALE; - } - - pango_fc_font_unlock_face ((PangoFcFont *)analysis->font); - current_run = current_run->next; - } - } while (pango_layout_iter_next_line (layoutIterator)); - - g_free(path); - gdk_threads_leave (); - - if (transform != NULL) - { - jclass cls; - jmethodID method; - - cls = (*env)->FindClass (env, "java/awt/geom/GeneralPath"); - method = (*env)->GetMethodID (env, cls, "transform", - "(Ljava/awt/geom/AffineTransform;)V"); - (*env)->CallVoidMethod(env, gp, method, transform ); - } - - return gp; -} |