diff options
Diffstat (limited to 'native/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkGraphics.c')
| -rw-r--r-- | native/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkGraphics.c | 758 |
1 files changed, 0 insertions, 758 deletions
diff --git a/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkGraphics.c b/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkGraphics.c deleted file mode 100644 index 29bc1855b..000000000 --- a/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkGraphics.c +++ /dev/null @@ -1,758 +0,0 @@ -/* gdkgraphics.c - Copyright (C) 1999 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 "gtkpeer.h" -#include "gdkfont.h" -#include "gnu_java_awt_peer_gtk_GdkGraphics.h" -#include <gdk/gdkprivate.h> -#include <gdk/gdkx.h> - -static jmethodID initComponentGraphicsUnlockedID; - -/* - * AWT applications may call Graphics methods from threads other than - * the GDK main thread, so we must call XFlush after each batch of - * drawing operations, otherwise animations flicker. Flushing after - * every graphics operation is excessive and negatively affects - * performance (PR 26486). We set the maximum frequency to 50 times - * per second, or a minimum period of 20 milliseconds between calls to - * XFlush. See gnu.classpath.examples.awt.AnimationApplet for an - * example applet that requires these XFlush calls. - */ - -static short flush_scheduled = 0; - -static gboolean flush (gpointer data __attribute__((unused))) -{ - gdk_threads_enter (); - - XFlush (GDK_DISPLAY ()); - flush_scheduled = 0; - - gdk_threads_leave (); - - return FALSE; -} - -/* The minimum time period between calls to XFlush, in - milliseconds. */ -#define MINIMUM_FLUSH_PERIOD 20 - -/* schedule_flush must be called with the GDK lock held. */ -static void -schedule_flush () -{ - if (!flush_scheduled) - { - g_timeout_add (MINIMUM_FLUSH_PERIOD, flush, NULL); - flush_scheduled = 1; - } -} - -void -cp_gtk_graphics_init_jni (void) -{ - jclass gdkgraphics; - - gdkgraphics = (*cp_gtk_gdk_env())->FindClass (cp_gtk_gdk_env(), - "gnu/java/awt/peer/gtk/GdkGraphics"); - - initComponentGraphicsUnlockedID = - (*cp_gtk_gdk_env())->GetMethodID (cp_gtk_gdk_env(), gdkgraphics, - "initComponentGraphicsUnlocked", - "()V"); -} - -struct state_table *cp_gtk_native_graphics_state_table; - -static struct state_table *native_graphics_global_ref_table; - -#define NSA_GLOBAL_G_INIT(env, clazz) \ - native_graphics_global_ref_table = cp_gtk_init_state_table (env, clazz) - -#define NSA_GET_GLOBAL_G_REF(env, obj) \ - cp_gtk_get_state (env, obj, native_graphics_global_ref_table) - -#define NSA_SET_GLOBAL_G_REF(env, obj) \ - do {jobject *globRefPtr; \ - globRefPtr = (jobject *) malloc (sizeof (jobject)); \ - *globRefPtr = (*env)->NewGlobalRef (env, obj); \ - cp_gtk_set_state (env, obj, native_graphics_global_ref_table, (void *)globRefPtr);} while (0) - -#define NSA_DEL_GLOBAL_G_REF(env, obj) \ - do {jobject *globRefPtr = cp_gtk_get_state (env, obj, native_graphics_global_ref_table); \ - cp_gtk_remove_state_slot (env, obj, native_graphics_global_ref_table); \ - (*env)->DeleteGlobalRef (env, *globRefPtr); \ - free (globRefPtr);} while (0) - -JNIEXPORT void JNICALL -Java_gnu_java_awt_peer_gtk_GdkGraphics_initStaticState - (JNIEnv *env, jclass clazz) -{ - gdk_threads_enter(); - - NSA_G_INIT (env, clazz); - NSA_GLOBAL_G_INIT (env, clazz); - - gdk_threads_leave(); -} - -#define GDK_STABLE_IS_PIXMAP(d) (GDK_IS_PIXMAP(d)) - -static GdkPoint *translate_points (JNIEnv *env, jintArray xpoints, - jintArray ypoints, jint npoints, - jint x_offset, jint y_offset); -static void realize_cb (GtkWidget *widget, jobject jgraphics); - -JNIEXPORT void JNICALL -Java_gnu_java_awt_peer_gtk_GdkGraphics_nativeCopyState - (JNIEnv *env, jobject obj, jobject old) -{ - struct graphics *g = NULL; - struct graphics *g_old = NULL; - - gdk_threads_enter (); - - g = (struct graphics *) g_malloc (sizeof (struct graphics)); - g_old = (struct graphics *) NSA_GET_G_PTR (env, old); - - *g = *g_old; - - g->gc = gdk_gc_new (g->drawable); - gdk_gc_copy (g->gc, g_old->gc); - - if (GDK_STABLE_IS_PIXMAP (g->drawable)) - g_object_ref (g->drawable); - else /* GDK_IS_WINDOW (g->drawable) */ - g_object_ref (g->drawable); - - if (g->cm != NULL) - g_object_ref (g->cm); - - NSA_SET_G_PTR (env, obj, g); - - gdk_threads_leave (); -} - -JNIEXPORT void JNICALL -Java_gnu_java_awt_peer_gtk_GdkGraphics_initState__II - (JNIEnv *env, jobject obj, jint width, jint height) -{ - struct graphics *g = NULL; - - gdk_threads_enter (); - - g = (struct graphics *) g_malloc (sizeof (struct graphics)); - g->x_offset = g->y_offset = 0; - - g->drawable = (GdkDrawable *) gdk_pixmap_new (NULL, width, height, - gdk_rgb_get_visual ()->depth); - g->cm = gdk_rgb_get_colormap (); - - if (g->cm != NULL) - g_object_ref (g->cm); - g->gc = gdk_gc_new (g->drawable); - - NSA_SET_G_PTR (env, obj, g); - - gdk_threads_leave (); -} - -JNIEXPORT void JNICALL -Java_gnu_java_awt_peer_gtk_GdkGraphics_initFromImage - (JNIEnv *env, jobject obj, jobject source) -{ - struct graphics *g = NULL; - GdkPixmap *pixmap = NULL; - - gdk_threads_enter (); - - pixmap = cp_gtk_image_get_pixmap (env, source); - g_assert(pixmap != NULL); - g_object_ref (pixmap); - - g = (struct graphics *) g_malloc (sizeof (struct graphics)); - g->x_offset = g->y_offset = 0; - - g->drawable = (GdkDrawable *)pixmap; - - g->cm = gdk_drawable_get_colormap (g->drawable); - - if (g->cm != NULL) - g_object_ref (g->cm); - g->gc = gdk_gc_new (g->drawable); - - NSA_SET_G_PTR (env, obj, g); - - gdk_threads_leave (); -} - -JNIEXPORT void JNICALL -Java_gnu_java_awt_peer_gtk_GdkGraphics_initStateUnlocked - (JNIEnv *env, jobject obj, jobject peer) -{ - struct graphics *g = NULL; - void *ptr = NULL; - GtkWidget *widget = NULL; - GdkColor color; - - g = (struct graphics *) g_malloc (sizeof (struct graphics)); - ptr = NSA_GET_PTR (env, peer); - g->x_offset = 0; - g->y_offset = 0; - - widget = GTK_WIDGET (ptr); - g->drawable = (GdkDrawable *) widget->window; - - g_object_ref (g->drawable); - g->cm = gtk_widget_get_colormap (widget); - - if (g->cm != NULL) - g_object_ref (g->cm); - - g->gc = gdk_gc_new (g->drawable); - gdk_gc_copy (g->gc, widget->style->fg_gc[GTK_STATE_NORMAL]); - color = widget->style->fg[GTK_STATE_NORMAL]; - - NSA_SET_G_PTR (env, obj, g); -} - -/* copy the native state of the peer (GtkWidget *) to the native state - of the graphics object */ -JNIEXPORT void JNICALL -Java_gnu_java_awt_peer_gtk_GdkGraphics_initState__Lgnu_java_awt_peer_gtk_GtkComponentPeer_2 - (JNIEnv *env, jobject obj, jobject peer) -{ - gdk_threads_enter (); - Java_gnu_java_awt_peer_gtk_GdkGraphics_initStateUnlocked - (env, obj, peer); - gdk_threads_leave (); -} - -JNIEXPORT void JNICALL -Java_gnu_java_awt_peer_gtk_GdkGraphics_connectSignals - (JNIEnv *env, jobject obj, jobject peer) -{ - void *ptr = NULL; - jobject *gref = NULL; - - gdk_threads_enter (); - - NSA_SET_GLOBAL_G_REF (env, obj); - gref = NSA_GET_GLOBAL_G_REF (env, obj); - - ptr = NSA_GET_PTR (env, peer); - - g_signal_connect_after (G_OBJECT (ptr), "realize", - G_CALLBACK (realize_cb), *gref); - - gdk_threads_leave (); -} - -JNIEXPORT void JNICALL -Java_gnu_java_awt_peer_gtk_GdkGraphics_nativeDispose - (JNIEnv *env, jobject obj) -{ - struct graphics *g = NULL; - - gdk_threads_enter (); - - g = (struct graphics *) NSA_DEL_G_PTR (env, obj); - - /* check if dispose has been called already */ - if (!g) - { - gdk_threads_leave (); - return; - } - - XFlush (GDK_DISPLAY ()); - - if (g->gc != NULL) - g_object_unref (g->gc); - - if (GDK_STABLE_IS_PIXMAP (g->drawable)) - g_object_unref (g->drawable); - else if (g->drawable != NULL) - g_object_unref (g->drawable); - - if (g->cm != NULL) - g_object_unref (g->cm); - - g_free (g); - - gdk_threads_leave (); -} - -JNIEXPORT void JNICALL -Java_gnu_java_awt_peer_gtk_GdkGraphics_translateNative - (JNIEnv *env, jobject obj, jint x, jint y) -{ - struct graphics *g = NULL; - - gdk_threads_enter (); - - g = (struct graphics *) NSA_GET_G_PTR (env, obj); - - g->x_offset += x; - g->y_offset += y; - - gdk_threads_leave (); -} - -JNIEXPORT void JNICALL -Java_gnu_java_awt_peer_gtk_GdkGraphics_drawString - (JNIEnv *env, jobject obj, jobject font, jstring str, jint x, jint y) -{ - struct peerfont *pfont = NULL; - struct graphics *g = NULL; - const char *cstr = NULL; - const char *sTmp = NULL; - char *tmp = NULL; - char *p = NULL; - int count = 0; - int charSize = 0; - int baseline_y = 0; - PangoLayoutIter *iter = NULL; - - gdk_threads_enter (); - - g = (struct graphics *) NSA_GET_G_PTR (env, obj); - g_assert (g != NULL); - - pfont = (struct peerfont *)NSA_GET_FONT_PTR (env, font); - g_assert (pfont != NULL); - - cstr = (*env)->GetStringUTFChars (env, str, NULL); - g_assert (cstr != NULL); - - charSize = sizeof(char); - p = malloc((strlen(cstr) + 1) * charSize); - g_assert (p != NULL); - - tmp = p; - sTmp = cstr; - for (; *sTmp != '\0'; sTmp++) - if (((unsigned char) *sTmp) >= ' ') - { - *p = *sTmp; - count++; - p++; - } - *p = '\0'; - - p = realloc(tmp, (count + 1) * charSize); - g_assert (p != NULL); - pango_layout_set_text (pfont->layout, p, -1); - free(p); - - pango_layout_set_font_description (pfont->layout, pfont->desc); - iter = pango_layout_get_iter (pfont->layout); - - baseline_y = pango_layout_iter_get_baseline (iter); - - gdk_draw_layout (g->drawable, g->gc, - x + g->x_offset, - y + g->y_offset - PANGO_PIXELS (baseline_y), - pfont->layout); - - pango_layout_iter_free (iter); - pango_layout_set_text (pfont->layout, "", -1); - - schedule_flush (); - - (*env)->ReleaseStringUTFChars (env, str, cstr); - - gdk_threads_leave (); -} - -JNIEXPORT void JNICALL -Java_gnu_java_awt_peer_gtk_GdkGraphics_drawLine - (JNIEnv *env, jobject obj, jint x, jint y, jint x2, jint y2) -{ - struct graphics *g = NULL; - - gdk_threads_enter (); - - g = (struct graphics *) NSA_GET_G_PTR (env, obj); - - gdk_draw_line (g->drawable, g->gc, - x + g->x_offset, y + g->y_offset, - x2 + g->x_offset, y2 + g->y_offset); - schedule_flush (); - - gdk_threads_leave (); -} - -JNIEXPORT void JNICALL -Java_gnu_java_awt_peer_gtk_GdkGraphics_fillRect - (JNIEnv *env, jobject obj, jint x, jint y, jint width, jint height) -{ - struct graphics *g = NULL; - - gdk_threads_enter (); - - g = (struct graphics *) NSA_GET_G_PTR (env, obj); - - gdk_draw_rectangle (g->drawable, g->gc, TRUE, - x + g->x_offset, y + g->y_offset, width, height); - schedule_flush (); - - gdk_threads_leave (); -} - -JNIEXPORT void JNICALL -Java_gnu_java_awt_peer_gtk_GdkGraphics_drawRect - (JNIEnv *env, jobject obj, jint x, jint y, jint width, jint height) -{ - struct graphics *g = NULL; - - gdk_threads_enter (); - - g = (struct graphics *) NSA_GET_G_PTR (env, obj); - - gdk_draw_rectangle (g->drawable, g->gc, FALSE, - x + g->x_offset, y + g->y_offset, width, height); - schedule_flush (); - - gdk_threads_leave (); -} - -JNIEXPORT void JNICALL -Java_gnu_java_awt_peer_gtk_GdkGraphics_copyArea - (JNIEnv *env, jobject obj, jint x, jint y, - jint width, jint height, jint dx, jint dy) -{ - struct graphics *g = NULL; - - gdk_threads_enter (); - - g = (struct graphics *) NSA_GET_G_PTR (env, obj); - - gdk_draw_drawable ((GdkWindow *)g->drawable, - g->gc, - (GdkWindow *)g->drawable, - x + g->x_offset, y + g->y_offset, - x + g->x_offset + dx, y + g->y_offset + dy, - width, height); - schedule_flush (); - - gdk_threads_leave (); -} - -JNIEXPORT void JNICALL -Java_gnu_java_awt_peer_gtk_GdkGraphics_clearRect - (JNIEnv *env, jobject obj, jint x, jint y, jint width, jint height) -{ - struct graphics *g = NULL; - GdkGCValues saved; - GtkWidget *widget = NULL; - union widget_union w; - - gdk_threads_enter (); - - g = (struct graphics *) NSA_GET_G_PTR (env, obj); - - if (!g) - { - gdk_threads_leave (); - return; - } - - if (GDK_IS_WINDOW (g->drawable)) - { - w.widget = &widget; - gdk_window_get_user_data (GDK_WINDOW (g->drawable), w.void_widget); - if (widget == NULL || !GTK_IS_EVENT_BOX (widget)) - gdk_window_clear_area ((GdkWindow *) g->drawable, - x + g->x_offset, y + g->y_offset, - width, height); - } - else - { - gdk_gc_get_values (g->gc, &saved); - gdk_gc_set_background (g->gc, &(saved.background)); - gdk_draw_rectangle (g->drawable, g->gc, TRUE, - x + g->x_offset, y + g->y_offset, width, height); - gdk_gc_set_foreground (g->gc, &(saved.foreground)); - } - - schedule_flush (); - - gdk_threads_leave (); -} - -JNIEXPORT void JNICALL -Java_gnu_java_awt_peer_gtk_GdkGraphics_setFunction - (JNIEnv *env, jobject obj, jint func) -{ - struct graphics *g = NULL; - - gdk_threads_enter (); - - g = (struct graphics *) NSA_GET_G_PTR (env, obj); - - gdk_gc_set_function (g->gc, func); - - gdk_threads_leave (); -} - - -JNIEXPORT void JNICALL -Java_gnu_java_awt_peer_gtk_GdkGraphics_setFGColor - (JNIEnv *env, jobject obj, jint red, jint green, jint blue) -{ - GdkColor color; - struct graphics *g = NULL; - - gdk_threads_enter (); - - color.red = red << 8; - color.green = green << 8; - color.blue = blue << 8; - - g = (struct graphics *) NSA_GET_G_PTR (env, obj); - - if (g->cm != NULL) - gdk_colormap_alloc_color (g->cm, &color, TRUE, TRUE); - - gdk_gc_set_foreground (g->gc, &color); - - gdk_threads_leave (); -} - -JNIEXPORT void JNICALL -Java_gnu_java_awt_peer_gtk_GdkGraphics_drawArc - (JNIEnv *env, jobject obj, jint x, jint y, jint width, jint height, - jint angle1, jint angle2) -{ - struct graphics *g = NULL; - - gdk_threads_enter (); - - g = (struct graphics *) NSA_GET_G_PTR (env, obj); - - gdk_draw_arc (g->drawable, g->gc, FALSE, - x + g->x_offset, y + g->y_offset, - width, height, angle1 << 6, angle2 << 6); - schedule_flush (); - - gdk_threads_leave (); -} - -static GdkPoint * -translate_points (JNIEnv *env, jintArray xpoints, jintArray ypoints, - jint npoints, jint x_offset, jint y_offset) -{ - GdkPoint *points; - jint *x, *y; - int i; - - /* allocate one more point than necessary, in case we need to tack - on an extra due to the semantics of Java polygons. */ - points = g_malloc (sizeof (GdkPoint) * (npoints + 1)); - - x = (*env)->GetIntArrayElements (env, xpoints, NULL); - y = (*env)->GetIntArrayElements (env, ypoints, NULL); - - for (i = 0; i < npoints; i++) - { - points[i].x = x[i] + x_offset; - points[i].y = y[i] + y_offset; - } - - (*env)->ReleaseIntArrayElements (env, xpoints, x, JNI_ABORT); - (*env)->ReleaseIntArrayElements (env, ypoints, y, JNI_ABORT); - - return points; -} - -JNIEXPORT void JNICALL -Java_gnu_java_awt_peer_gtk_GdkGraphics_drawPolyline - (JNIEnv *env, jobject obj, jintArray xpoints, jintArray ypoints, - jint npoints) -{ - struct graphics *g = NULL; - GdkPoint *points = NULL; - - gdk_threads_enter (); - - g = (struct graphics *) NSA_GET_G_PTR (env, obj); - points = translate_points (env, xpoints, ypoints, npoints, - g->x_offset, g->y_offset); - - gdk_draw_lines (g->drawable, g->gc, points, npoints); - schedule_flush (); - - g_free (points); - - gdk_threads_leave (); -} - -JNIEXPORT void JNICALL -Java_gnu_java_awt_peer_gtk_GdkGraphics_drawPolygon - (JNIEnv *env, jobject obj, jintArray xpoints, jintArray ypoints, - jint npoints) -{ - struct graphics *g = NULL; - GdkPoint *points = NULL; - - gdk_threads_enter (); - - g = (struct graphics *) NSA_GET_G_PTR (env, obj); - points = translate_points (env, xpoints, ypoints, npoints, - g->x_offset, g->y_offset); - - /* make sure the polygon is closed, per Java semantics. - if it's not, we close it. */ - if (points[0].x != points[npoints-1].x || points[0].y != points[npoints-1].y) - points[npoints++] = points[0]; - - gdk_draw_lines (g->drawable, g->gc, points, npoints); - schedule_flush (); - - g_free (points); - - gdk_threads_leave (); -} - -JNIEXPORT void JNICALL -Java_gnu_java_awt_peer_gtk_GdkGraphics_fillPolygon - (JNIEnv *env, jobject obj, jintArray xpoints, jintArray ypoints, - jint npoints) -{ - struct graphics *g = NULL; - GdkPoint *points = NULL; - - gdk_threads_enter (); - - g = (struct graphics *) NSA_GET_G_PTR (env, obj); - points = translate_points (env, xpoints, ypoints, npoints, - g->x_offset, g->y_offset); - gdk_draw_polygon (g->drawable, g->gc, TRUE, points, npoints); - schedule_flush (); - - g_free (points); - - gdk_threads_leave (); -} - -JNIEXPORT void JNICALL -Java_gnu_java_awt_peer_gtk_GdkGraphics_fillArc - (JNIEnv *env, jobject obj, jint x, jint y, jint width, jint height, - jint angle1, jint angle2) -{ - struct graphics *g = NULL; - - gdk_threads_enter (); - - g = (struct graphics *) NSA_GET_G_PTR (env, obj); - - gdk_draw_arc (g->drawable, g->gc, TRUE, - x + g->x_offset, y + g->y_offset, - width, height, angle1 << 6, angle2 << 6); - schedule_flush (); - - gdk_threads_leave (); -} - -JNIEXPORT void JNICALL -Java_gnu_java_awt_peer_gtk_GdkGraphics_drawOval - (JNIEnv *env, jobject obj, jint x, jint y, jint width, jint height) -{ - struct graphics *g = NULL; - - gdk_threads_enter (); - - g = (struct graphics *) NSA_GET_G_PTR (env, obj); - - gdk_draw_arc (g->drawable, g->gc, FALSE, - x + g->x_offset, y + g->y_offset, - width, height, 0, 23040); - schedule_flush (); - - gdk_threads_leave (); -} - -JNIEXPORT void JNICALL -Java_gnu_java_awt_peer_gtk_GdkGraphics_fillOval - (JNIEnv *env, jobject obj, jint x, jint y, jint width, jint height) -{ - struct graphics *g = NULL; - - gdk_threads_enter (); - - g = (struct graphics *) NSA_GET_G_PTR (env, obj); - - gdk_draw_arc (g->drawable, g->gc, TRUE, - x + g->x_offset, y + g->y_offset, - width, height, 0, 23040); - schedule_flush (); - - gdk_threads_leave (); -} - -JNIEXPORT void JNICALL -Java_gnu_java_awt_peer_gtk_GdkGraphics_setClipRectangle - (JNIEnv *env, jobject obj, jint x, jint y, jint width, jint height) -{ - struct graphics *g = NULL; - GdkRectangle rectangle; - - gdk_threads_enter (); - - g = (struct graphics *) NSA_GET_G_PTR (env, obj); - - rectangle.x = x + g->x_offset; - rectangle.y = y + g->y_offset; - rectangle.width = width; - rectangle.height = height; - - gdk_gc_set_clip_rectangle (g->gc, &rectangle); - - gdk_threads_leave (); -} - -static void -realize_cb (GtkWidget *widget __attribute__ ((unused)), jobject jgraphics) -{ - (*cp_gtk_gdk_env())->CallVoidMethod (cp_gtk_gdk_env(), - jgraphics, - initComponentGraphicsUnlockedID); - - NSA_DEL_GLOBAL_G_REF (cp_gtk_gdk_env(), jgraphics); -} |