diff options
Diffstat (limited to 'libjava/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkImagePainter.c')
| -rw-r--r-- | libjava/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkImagePainter.c | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/libjava/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkImagePainter.c b/libjava/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkImagePainter.c deleted file mode 100644 index dd446c89489..00000000000 --- a/libjava/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkImagePainter.c +++ /dev/null @@ -1,160 +0,0 @@ -/* gtkimagepainter.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., 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 "gtkpeer.h" -#include "gnu_java_awt_peer_gtk_GtkImagePainter.h" -#include <libart_lgpl/art_misc.h> -#include <libart_lgpl/art_rgb_affine.h> - -#define SWAPU32(w) \ - (((w) << 24) | (((w) & 0xff00) << 8) | (((w) >> 8) & 0xff00) | ((w) >> 24)) - -JNIEXPORT void JNICALL Java_gnu_java_awt_peer_gtk_GtkImagePainter_drawPixels -(JNIEnv *env, jobject obj, jobject gc_obj, jint bg_red, jint bg_green, - jint bg_blue, jint x, jint y, jint width, jint height, jintArray jpixels, - jint offset, jint scansize, jdoubleArray jaffine) -{ - struct graphics *g; - jint *pixels, *elems; - guchar *packed; - int i; - jsize num_pixels; - guchar *j_rgba, *c_rgb; - - g = (struct graphics *) NSA_GET_PTR (env, gc_obj); - - elems = (*env)->GetIntArrayElements (env, jpixels, NULL); - num_pixels = (*env)->GetArrayLength (env, jpixels); - - /* get a copy of the pixel data so we can modify it */ - pixels = malloc (sizeof (jint) * num_pixels); - memcpy (pixels, elems, sizeof (jint) * num_pixels); - - (*env)->ReleaseIntArrayElements (env, jpixels, elems, 0); - -#ifndef WORDS_BIGENDIAN - /* convert pixels from 0xBBGGRRAA to 0xAARRGGBB */ - for (i = 0; i < num_pixels; i++) - pixels[i] = SWAPU32 ((unsigned)pixels[i]); -#endif - - packed = (guchar *) malloc (sizeof (guchar) * 3 * num_pixels); - j_rgba = (guchar *) pixels; - c_rgb = packed; - - /* copy over pixels in DirectColorModel format to 24 bit RGB image data, - and process the alpha channel */ - for (i = 0; i < num_pixels; i++) - { - jint ialpha = *j_rgba++; - - switch (ialpha) - { - case 0: /* full transparency */ - *c_rgb++ = bg_red; - *c_rgb++ = bg_green; - *c_rgb++ = bg_blue; - j_rgba += 3; - break; - case 255: /* opaque */ - *c_rgb++ = *j_rgba++; - *c_rgb++ = *j_rgba++; - *c_rgb++ = *j_rgba++; - break; - default: /* compositing required */ - { - jfloat alpha = ialpha / 255.0; - jfloat comp_alpha = 1.0 - alpha; - - *c_rgb++ = *j_rgba++ * alpha + bg_red * comp_alpha; - *c_rgb++ = *j_rgba++ * alpha + bg_green * comp_alpha; - *c_rgb++ = *j_rgba++ * alpha + bg_blue * comp_alpha; - } - break; - } - } - - if (jaffine) - { - jdouble *affine; - ArtAlphaGamma *alphagamma = NULL; - art_u8 *dst; - int new_width, new_height; - int i; - - affine = (*env)->GetDoubleArrayElements (env, jaffine, NULL); - - new_width = abs (width * affine[0]); - new_height = abs (height * affine[3]); - - dst = (art_u8 *) malloc (sizeof (art_u8) * 3 * (new_width * new_height)); - - art_rgb_affine (dst, - 0, 0, - new_width, new_height, - new_width * 3, - (art_u8 *) packed + offset * 3, - width, height, - scansize * 3, - affine, - ART_FILTER_NEAREST, - alphagamma); - - (*env)->ReleaseDoubleArrayElements (env, jaffine, affine, JNI_ABORT); - - free (packed); - packed = (guchar *) dst; - - width = scansize = new_width; - height = new_height; - offset = 0; - } - - gdk_threads_enter (); - - gdk_draw_rgb_image (g->drawable, - g->gc, - x + g->x_offset, - y + g->y_offset, - width, height, GDK_RGB_DITHER_NORMAL, - packed + offset * 3, scansize * 3); - - gdk_threads_leave (); - - free (pixels); - free (packed); -} |