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 | 480 |
1 files changed, 480 insertions, 0 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 new file mode 100644 index 000000000..5acf96841 --- /dev/null +++ b/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkGraphics.c @@ -0,0 +1,480 @@ +/* gdkgraphics.c + Copyright (C) 1999 Free Software Foundation, Inc. + +This file is part of the peer AWT libraries of GNU Classpath. + +This library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published +by the Free Software Foundation, either version 2 of the License, or +(at your option) any later verion. + +This library 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 Library General Public License for more details. + +You should have received a copy of the GNU Library General Public License +along with this library; if not, write to the Free Software Foundation +Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307 USA. */ + +#include "gtkpeer.h" +#include "gnu_java_awt_peer_gtk_GdkGraphics.h" +#include <gdk/gdkprivate.h> +#include <gdk/gdkx.h> + +#define GDK_STABLE_IS_PIXMAP(d) (((GdkWindowPrivate *)d)->window_type == GDK_WINDOW_PIXMAP) + +GdkPoint * +translate_points (JNIEnv *env, jintArray xpoints, jintArray ypoints, + jint npoints, jint x_offset, jint y_offset); + +JNIEXPORT void JNICALL Java_gnu_java_awt_peer_gtk_GdkGraphics_copyState + (JNIEnv *env, jobject obj, jobject old) +{ + struct graphics *g, *g_old; + + g = (struct graphics *) malloc (sizeof (struct graphics)); + g_old = (struct graphics *) NSA_GET_PTR (env, old); + + *g = *g_old; + + gdk_threads_enter (); + + g->gc = gdk_gc_new (g->drawable); + gdk_gc_copy (g->gc, g_old->gc); + + if (GDK_STABLE_IS_PIXMAP (g->drawable)) + gdk_pixmap_ref (g->drawable); + else /* GDK_IS_WINDOW (g->drawable) */ + gdk_window_ref (g->drawable); + + gdk_colormap_ref (g->cm); + + gdk_threads_leave (); + + NSA_SET_PTR (env, obj, g); +} + +JNIEXPORT void JNICALL Java_gnu_java_awt_peer_gtk_GdkGraphics_initState__II + (JNIEnv *env, jobject obj, jint width, jint height) +{ + struct graphics *g; + + g = (struct graphics *) malloc (sizeof (struct graphics)); + g->x_offset = g->y_offset = 0; + + gdk_threads_enter (); + g->drawable = (GdkDrawable *) gdk_pixmap_new (NULL, width, height, + gdk_rgb_get_visual ()->depth); + g->cm = gdk_rgb_get_cmap (); + gdk_colormap_ref (g->cm); + g->gc = gdk_gc_new (g->drawable); + gdk_threads_leave (); + + NSA_SET_PTR (env, obj, g); +} + +/* copy the native state of the peer (GtkWidget *) to the native state + of the graphics object */ +JNIEXPORT jintArray JNICALL Java_gnu_java_awt_peer_gtk_GdkGraphics_initState__Lgnu_java_awt_peer_gtk_GtkComponentPeer_2 + (JNIEnv *env, jobject obj, jobject peer) +{ + struct graphics *g = (struct graphics *) malloc (sizeof (struct graphics)); + void *ptr; + GtkWidget *widget; + GdkColor color; + jintArray array; + jint *rgb; + + ptr = NSA_GET_PTR (env, peer); + g->x_offset = g->y_offset = 0; + + gdk_threads_enter (); + + widget = GTK_WIDGET (ptr); + + if (GTK_IS_WINDOW (widget)) + { + g->drawable = find_gtk_layout (widget)->bin_window; + } + else if (GTK_IS_LAYOUT (widget)) + { + g->drawable = (GdkDrawable *) GTK_LAYOUT (widget)->bin_window; + } + else + { + g->drawable = (GdkDrawable *) widget->window; + } + + gdk_window_ref (g->drawable); + g->cm = gtk_widget_get_colormap (widget); + gdk_colormap_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]; + + gdk_threads_leave (); + + array = (*env)->NewIntArray (env, 3); + rgb = (*env)->GetIntArrayElements (env, array, NULL); + rgb[0] = color.red >> 8; + rgb[1] = color.green >> 8; + rgb[2] = color.blue >> 8; + (*env)->ReleaseIntArrayElements (env, array, rgb, 0); + + NSA_SET_PTR (env, obj, g); + + return array; +} + +JNIEXPORT void JNICALL Java_gnu_java_awt_peer_gtk_GdkGraphics_dispose + (JNIEnv *env, jobject obj) +{ + struct graphics *g; + + g = (struct graphics *) NSA_DEL_PTR (env, obj); + + if (!g) return; /* dispose has been called more than once */ + + gdk_threads_enter (); + XFlush (GDK_DISPLAY ()); + + gdk_gc_destroy (g->gc); + + if (GDK_STABLE_IS_PIXMAP (g->drawable)) + gdk_pixmap_unref (g->drawable); + else /* GDK_IS_WINDOW (g->drawable) */ + gdk_window_unref (g->drawable); + + gdk_colormap_unref (g->cm); + + gdk_threads_leave (); + + free (g); +} + +JNIEXPORT void JNICALL Java_gnu_java_awt_peer_gtk_GdkGraphics_translateNative + (JNIEnv *env, jobject obj, jint x, jint y) +{ + struct graphics *g; + + g = (struct graphics *) NSA_GET_PTR (env, obj); + + gdk_threads_enter (); + + 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, jstring str, jint x, jint y, + jstring fname, jint size) +{ + struct graphics *g; + const char *cfname, *cstr; + gchar *xlfd; + + g = (struct graphics *) NSA_GET_PTR (env, obj); + + cfname = (*env)->GetStringUTFChars (env, fname, NULL); + xlfd = g_strdup_printf (cfname, (size * 10)); + (*env)->ReleaseStringUTFChars (env, fname, cfname); + + cstr = (*env)->GetStringUTFChars (env, str, NULL); + + gdk_threads_enter (); + gdk_draw_string (g->drawable, gdk_font_load (xlfd), g->gc, + x + g->x_offset, y + g->y_offset, cstr); + gdk_threads_leave (); + + (*env)->ReleaseStringUTFChars (env, str, cstr); + g_free (xlfd); +} + + +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; + + g = (struct graphics *) NSA_GET_PTR (env, obj); + + gdk_threads_enter (); + gdk_draw_line (g->drawable, g->gc, + x + g->x_offset, y + g->y_offset, + x2 + g->x_offset, y2 + g->y_offset); + 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; + + g = (struct graphics *) NSA_GET_PTR (env, obj); + + gdk_threads_enter (); + gdk_draw_rectangle (g->drawable, g->gc, TRUE, + x + g->x_offset, y + g->y_offset, width, height); + 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; + + g = (struct graphics *) NSA_GET_PTR (env, obj); + + gdk_threads_enter (); + gdk_draw_rectangle (g->drawable, g->gc, FALSE, + x + g->x_offset, y + g->y_offset, width, height); + 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; + + g = (struct graphics *) NSA_GET_PTR (env, obj); + + gdk_threads_enter (); + gdk_window_copy_area ((GdkWindow *)g->drawable, + g->gc, + x + g->x_offset + dx, y + g->y_offset + dy, + (GdkWindow *)g->drawable, + x + g->x_offset, y + g->y_offset, + width, height); + gdk_threads_leave (); +} + +JNIEXPORT void JNICALL Java_gnu_java_awt_peer_gtk_GdkGraphics_copyPixmap + (JNIEnv *env, jobject obj, jobject offscreen, + jint x, jint y, jint width, jint height) +{ + struct graphics *g1, *g2; + + g1 = (struct graphics *) NSA_GET_PTR (env, obj); + g2 = (struct graphics *) NSA_GET_PTR (env, offscreen); + + gdk_threads_enter (); + gdk_window_copy_area ((GdkWindow *)g1->drawable, + g1->gc, + x + g1->x_offset, y + g1->y_offset, + (GdkWindow *)g2->drawable, + 0 + g2->x_offset, 0 + g2->y_offset, + width, height); + 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; + + g = (struct graphics *) NSA_GET_PTR (env, obj); + + gdk_threads_enter (); + gdk_window_clear_area ((GdkWindow *)g->drawable, + x + g->x_offset, y + g->y_offset, width, height); + gdk_threads_leave (); +} + +JNIEXPORT void JNICALL Java_gnu_java_awt_peer_gtk_GdkGraphics_setFunction + (JNIEnv *env, jobject obj, jint func) +{ + struct graphics *g; + g = (struct graphics *) NSA_GET_PTR (env, obj); + + gdk_threads_enter (); + 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; + + color.red = red << 8; + color.green = green << 8; + color.blue = blue << 8; + + g = (struct graphics *) NSA_GET_PTR (env, obj); + + gdk_threads_enter (); + gdk_color_alloc (g->cm, &color); + 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; + + g = (struct graphics *) NSA_GET_PTR (env, obj); + + gdk_threads_enter (); + gdk_draw_arc (g->drawable, g->gc, FALSE, + x + g->x_offset, y + g->y_offset, + width, height, angle1 << 6, angle2 << 6); + gdk_threads_leave (); +} + +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; + GdkPoint *points; + + g = (struct graphics *) NSA_GET_PTR (env, obj); + points = translate_points (env, xpoints, ypoints, npoints, + g->x_offset, g->y_offset); + + gdk_threads_enter (); + gdk_draw_lines (g->drawable, g->gc, points, npoints); + gdk_threads_leave (); + + g_free (points); +} + +JNIEXPORT void JNICALL Java_gnu_java_awt_peer_gtk_GdkGraphics_drawPolygon + (JNIEnv *env, jobject obj, jintArray xpoints, jintArray ypoints, + jint npoints) +{ + struct graphics *g; + GdkPoint *points; + + g = (struct graphics *) NSA_GET_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_threads_enter (); + gdk_draw_lines (g->drawable, g->gc, points, npoints); + gdk_threads_leave (); + + g_free (points); +} + +JNIEXPORT void JNICALL Java_gnu_java_awt_peer_gtk_GdkGraphics_fillPolygon + (JNIEnv *env, jobject obj, jintArray xpoints, jintArray ypoints, + jint npoints) +{ + struct graphics *g; + GdkPoint *points; + + g = (struct graphics *) NSA_GET_PTR (env, obj); + points = translate_points (env, xpoints, ypoints, npoints, + g->x_offset, g->y_offset); + gdk_threads_enter (); + gdk_draw_polygon (g->drawable, g->gc, TRUE, points, npoints); + gdk_threads_leave (); + + g_free (points); +} + +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; + + g = (struct graphics *) NSA_GET_PTR (env, obj); + + gdk_threads_enter (); + gdk_draw_arc (g->drawable, g->gc, TRUE, + x + g->x_offset, y + g->y_offset, + width, height, angle1 << 6, angle2 << 6); + 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; + + g = (struct graphics *) NSA_GET_PTR (env, obj); + + gdk_threads_enter (); + gdk_draw_arc (g->drawable, g->gc, FALSE, + x + g->x_offset, y + g->y_offset, + width, height, 0, 23040); + 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; + + g = (struct graphics *) NSA_GET_PTR (env, obj); + + gdk_threads_enter (); + gdk_draw_arc (g->drawable, g->gc, TRUE, + x + g->x_offset, y + g->y_offset, + width, height, 0, 23040); + 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; + GdkRectangle rectangle; + + g = (struct graphics *) NSA_GET_PTR (env, obj); + + rectangle.x = x + g->x_offset; + rectangle.y = y + g->y_offset; + rectangle.width = width; + rectangle.height = height; + + gdk_threads_enter (); + gdk_gc_set_clip_rectangle (g->gc, &rectangle); + gdk_threads_leave (); +} |