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jeremybenn |
/* gnu_java_awt_peer_gtk_CairoGraphics2d.c
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Copyright (C) 2006, 2008 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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#include "jcl.h"
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#include "gdkfont.h"
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#include "cairographics2d.h"
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#include "gnu_java_awt_peer_gtk_CairoGraphics2D.h"
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#include <gdk/gdktypes.h>
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#include <gdk/gdkprivate.h>
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#include <cairo-ft.h>
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#include <stdio.h>
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#include <stdlib.h>
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static void update_pattern_transform (struct cairographics2d *gr);
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/**
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* Allocates the cairographics2d structure.
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*/
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JNIEXPORT jlong JNICALL
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Java_gnu_java_awt_peer_gtk_CairoGraphics2D_init
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(JNIEnv *env __attribute__ ((unused)),
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jobject obj __attribute__ ((unused)),
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jlong cairo_t_pointer)
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{
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struct cairographics2d *g = NULL;
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cairo_t *cr = JLONG_TO_PTR(cairo_t, cairo_t_pointer);
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g_assert(cr != NULL);
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g = (struct cairographics2d *) g_malloc (sizeof (struct cairographics2d));
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g_assert (g != NULL);
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memset (g, 0, sizeof(struct cairographics2d));
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g->cr = cr;
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return PTR_TO_JLONG(g);
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}
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/**
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* Disposes of the cairographics2d structure.
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*/
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JNIEXPORT void JNICALL
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Java_gnu_java_awt_peer_gtk_CairoGraphics2D_disposeNative
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(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)),
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jlong pointer)
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{
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struct cairographics2d *gr = JLONG_TO_PTR(struct cairographics2d, pointer);
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if (gr == NULL)
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return;
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if (gr->cr)
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{
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gdk_threads_enter();
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cairo_destroy (gr->cr);
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gdk_threads_leave();
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}
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if (gr->pattern)
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cairo_pattern_destroy (gr->pattern);
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gr->pattern = NULL;
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if (gr->pattern_surface)
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cairo_surface_destroy (gr->pattern_surface);
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gr->pattern_surface = NULL;
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if (gr->pattern_pixels)
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g_free(gr->pattern_pixels);
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gr->pattern_pixels = NULL;
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g_free( gr );
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}
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/**
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* Set the gradient.
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*/
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JNIEXPORT void JNICALL
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Java_gnu_java_awt_peer_gtk_CairoGraphics2D_setGradient
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(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)),
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jlong pointer,
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jdouble x1, jdouble y1,
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jdouble x2, jdouble y2,
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jint r1, jint g1, jint b1, jint a1,
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jint r2, jint g2, jint b2, jint a2,
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jboolean cyclic)
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{
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struct cairographics2d *gr = NULL;
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cairo_pattern_t* pattern;
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cairo_extend_t extend;
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gr = JLONG_TO_PTR(struct cairographics2d, pointer);
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g_assert( gr != NULL );
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pattern = cairo_pattern_create_linear(x1, y1, x2, y2);
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g_assert( pattern != NULL );
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cairo_pattern_add_color_stop_rgba(pattern, 0.0, r1 / 255.0, g1 / 255.0,
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b1 / 255.0, a1 / 255.0);
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cairo_pattern_add_color_stop_rgba(pattern, 1.0, r2 / 255.0, g2 / 255.0,
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b2 / 255.0, a2 / 255.0);
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#if CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1, 2, 0)
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extend = (cyclic == JNI_TRUE) ? CAIRO_EXTEND_REFLECT : CAIRO_EXTEND_PAD;
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#else
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extend = (cyclic == JNI_TRUE) ? CAIRO_EXTEND_REFLECT : CAIRO_EXTEND_NONE;
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#endif
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cairo_pattern_set_extend( pattern, extend );
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gr->pattern = pattern;
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cairo_set_source(gr->cr, gr->pattern);
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}
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JNIEXPORT void JNICALL
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Java_gnu_java_awt_peer_gtk_CairoGraphics2D_setPaintPixels
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(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)),
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jlong pointer, jintArray jarr, jint w, jint h, jint stride, jboolean repeat,
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jint x, jint y)
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{
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struct cairographics2d *gr = NULL;
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jint *jpixels = NULL;
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gr = JLONG_TO_PTR(struct cairographics2d, pointer);
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g_assert (gr != NULL);
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if (gr->pattern)
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cairo_pattern_destroy (gr->pattern);
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if (gr->pattern_surface)
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cairo_surface_destroy (gr->pattern_surface);
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if (gr->pattern_pixels)
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g_free (gr->pattern_pixels);
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gr->pattern = NULL;
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gr->pattern_surface = NULL;
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gr->pattern_pixels = NULL;
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gr->pattern_pixels = (char *) g_malloc (h * stride * 4);
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g_assert (gr->pattern_pixels != NULL);
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jpixels = (*env)->GetIntArrayElements (env, jarr, NULL);
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g_assert (jpixels != NULL);
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memcpy (gr->pattern_pixels, jpixels, h * stride * 4);
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(*env)->ReleaseIntArrayElements (env, jarr, jpixels, 0);
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gr->pattern_surface = cairo_image_surface_create_for_data ((unsigned char *)gr->pattern_pixels,
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CAIRO_FORMAT_ARGB32,
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w, h, stride * 4);
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g_assert (gr->pattern_surface != NULL);
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gr->pattern = cairo_pattern_create_for_surface (gr->pattern_surface);
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g_assert (gr->pattern != NULL);
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cairo_set_source_surface(gr->cr, gr->pattern_surface, x, y);
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if (repeat)
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cairo_pattern_set_extend(cairo_get_source(gr->cr), CAIRO_EXTEND_REPEAT);
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else
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cairo_pattern_set_extend(cairo_get_source(gr->cr), CAIRO_EXTEND_NONE);
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}
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198 |
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JNIEXPORT void JNICALL
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Java_gnu_java_awt_peer_gtk_CairoGraphics2D_drawPixels
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(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)),
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jlong pointer, jintArray java_pixels,
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jint w, jint h, jint stride, jdoubleArray java_matrix, jdouble alpha,
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jint interpolation)
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{
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jint *native_pixels = NULL;
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jdouble *native_matrix = NULL;
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struct cairographics2d *gr = JLONG_TO_PTR(struct cairographics2d, pointer);
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g_assert (gr != NULL);
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native_pixels = (*env)->GetIntArrayElements (env, java_pixels, NULL);
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native_matrix = (*env)->GetDoubleArrayElements (env, java_matrix, NULL);
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g_assert (native_pixels != NULL);
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g_assert (native_matrix != NULL);
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g_assert ((*env)->GetArrayLength (env, java_matrix) == 6);
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215 |
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{
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cairo_matrix_t mat;
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cairo_pattern_t *p;
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cairo_surface_t *surf = cairo_image_surface_create_for_data ((unsigned char *)native_pixels,
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CAIRO_FORMAT_ARGB32,
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w, h, stride * 4);
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cairo_matrix_init_identity (&mat);
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cairo_matrix_init (&mat,
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native_matrix[0], native_matrix[1],
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native_matrix[2], native_matrix[3],
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native_matrix[4], native_matrix[5]);
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p = cairo_pattern_create_for_surface (surf);
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cairo_pattern_set_matrix (p, &mat);
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switch ((enum java_awt_rendering_hints_filter) interpolation)
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{
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case java_awt_rendering_hints_VALUE_INTERPOLATION_NEAREST_NEIGHBOR:
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cairo_pattern_set_filter (p, CAIRO_FILTER_NEAREST);
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break;
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case java_awt_rendering_hints_VALUE_INTERPOLATION_BILINEAR:
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cairo_pattern_set_filter (p, CAIRO_FILTER_BILINEAR);
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break;
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case java_awt_rendering_hints_VALUE_INTERPOLATION_BICUBIC:
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cairo_pattern_set_filter (p, CAIRO_FILTER_GAUSSIAN);
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break;
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241 |
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case java_awt_rendering_hints_VALUE_ALPHA_INTERPOLATION_SPEED:
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cairo_pattern_set_filter (p, CAIRO_FILTER_FAST);
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break;
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case java_awt_rendering_hints_VALUE_ALPHA_INTERPOLATION_DEFAULT:
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cairo_pattern_set_filter (p, CAIRO_FILTER_NEAREST);
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break;
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case java_awt_rendering_hints_VALUE_ALPHA_INTERPOLATION_QUALITY:
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cairo_pattern_set_filter (p, CAIRO_FILTER_BEST);
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break;
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250 |
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}
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251 |
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|
252 |
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cairo_set_source (gr->cr, p);
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if (alpha == 1.)
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cairo_paint (gr->cr);
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|
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else
|
256 |
|
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cairo_paint_with_alpha(gr->cr, alpha);
|
257 |
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|
258 |
|
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cairo_pattern_destroy (p);
|
259 |
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cairo_surface_destroy (surf);
|
260 |
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}
|
261 |
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|
262 |
|
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(*env)->ReleaseIntArrayElements (env, java_pixels, native_pixels, 0);
|
263 |
|
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(*env)->ReleaseDoubleArrayElements (env, java_matrix, native_matrix, 0);
|
264 |
|
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}
|
265 |
|
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|
266 |
|
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|
267 |
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JNIEXPORT void JNICALL
|
268 |
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Java_gnu_java_awt_peer_gtk_CairoGraphics2D_cairoSetMatrix
|
269 |
|
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(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)),
|
270 |
|
|
jlong pointer, jdoubleArray java_matrix)
|
271 |
|
|
{
|
272 |
|
|
jdouble *native_matrix = NULL;
|
273 |
|
|
struct cairographics2d *gr = JLONG_TO_PTR(struct cairographics2d, pointer);
|
274 |
|
|
g_assert (gr != NULL);
|
275 |
|
|
|
276 |
|
|
native_matrix = (*env)->GetDoubleArrayElements (env, java_matrix, NULL);
|
277 |
|
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g_assert (native_matrix != NULL);
|
278 |
|
|
g_assert ((*env)->GetArrayLength (env, java_matrix) == 6);
|
279 |
|
|
|
280 |
|
|
{
|
281 |
|
|
cairo_matrix_t mat;
|
282 |
|
|
|
283 |
|
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cairo_matrix_init_identity (&mat);
|
284 |
|
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cairo_matrix_init (&mat,
|
285 |
|
|
native_matrix[0], native_matrix[1],
|
286 |
|
|
native_matrix[2], native_matrix[3],
|
287 |
|
|
native_matrix[4], native_matrix[5]);
|
288 |
|
|
g_assert (gr != NULL);
|
289 |
|
|
cairo_set_matrix (gr->cr, &mat);
|
290 |
|
|
}
|
291 |
|
|
|
292 |
|
|
(*env)->ReleaseDoubleArrayElements (env, java_matrix, native_matrix, 0);
|
293 |
|
|
update_pattern_transform (gr);
|
294 |
|
|
}
|
295 |
|
|
|
296 |
|
|
JNIEXPORT void JNICALL
|
297 |
|
|
Java_gnu_java_awt_peer_gtk_CairoGraphics2D_cairoScale
|
298 |
|
|
(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)),
|
299 |
|
|
jlong pointer, jdouble x, jdouble y)
|
300 |
|
|
{
|
301 |
|
|
struct cairographics2d *gr = JLONG_TO_PTR(struct cairographics2d, pointer);
|
302 |
|
|
g_assert (gr != NULL);
|
303 |
|
|
|
304 |
|
|
cairo_scale (gr->cr, x, y);
|
305 |
|
|
}
|
306 |
|
|
|
307 |
|
|
JNIEXPORT void JNICALL
|
308 |
|
|
Java_gnu_java_awt_peer_gtk_CairoGraphics2D_cairoDrawGlyphVector
|
309 |
|
|
(JNIEnv *env, jobject obj __attribute__((unused)), jlong pointer,
|
310 |
|
|
jobject font,
|
311 |
|
|
jfloat x, jfloat y, jint n,
|
312 |
|
|
jintArray java_codes,
|
313 |
|
|
jfloatArray java_positions, jlongArray java_fontset)
|
314 |
|
|
{
|
315 |
|
|
struct cairographics2d *gr = NULL;
|
316 |
|
|
struct peerfont *pfont = NULL;
|
317 |
|
|
cairo_glyph_t *glyphs = NULL;
|
318 |
|
|
int *native_codes;
|
319 |
|
|
float *native_positions;
|
320 |
|
|
jint i = 0;
|
321 |
|
|
|
322 |
|
|
g_assert (java_codes != NULL);
|
323 |
|
|
g_assert (java_positions != NULL);
|
324 |
|
|
|
325 |
|
|
gr = JLONG_TO_PTR(struct cairographics2d, pointer);
|
326 |
|
|
g_assert (gr != NULL);
|
327 |
|
|
|
328 |
|
|
pfont = (struct peerfont *) gtkpeer_get_font(env, font);
|
329 |
|
|
g_assert (pfont != NULL);
|
330 |
|
|
|
331 |
|
|
glyphs = g_malloc( sizeof(cairo_glyph_t) * n);
|
332 |
|
|
g_assert (glyphs != NULL);
|
333 |
|
|
|
334 |
|
|
native_codes = (*env)->GetIntArrayElements (env, java_codes, NULL);
|
335 |
|
|
native_positions = (*env)->GetFloatArrayElements (env, java_positions, NULL);
|
336 |
|
|
|
337 |
|
|
/* Set up glyphs and layout */
|
338 |
|
|
for (i = 0; i < n; ++i)
|
339 |
|
|
{
|
340 |
|
|
glyphs[i].index = native_codes[i];
|
341 |
|
|
glyphs[i].x = x + native_positions[ 2*i ];
|
342 |
|
|
glyphs[i].y = y + native_positions[ 2*i + 1];
|
343 |
|
|
}
|
344 |
|
|
|
345 |
|
|
(*env)->ReleaseFloatArrayElements (env, java_positions, native_positions, 0);
|
346 |
|
|
(*env)->ReleaseIntArrayElements (env, java_codes, native_codes, 0);
|
347 |
|
|
|
348 |
|
|
/* Iterate through glyphs and draw */
|
349 |
|
|
jlong* fonts = (*env)->GetLongArrayElements (env, java_fontset, NULL);
|
350 |
|
|
gdk_threads_enter();
|
351 |
|
|
for (i = 0; i < n; i++)
|
352 |
|
|
{
|
353 |
|
|
PangoFcFont *font = JLONG_TO_PTR(PangoFcFont, fonts[i]);
|
354 |
|
|
|
355 |
|
|
/* Draw as many glyphs as possible with the current font */
|
356 |
|
|
int length = 0;
|
357 |
|
|
while (i < n-1 && fonts[i] == fonts[i+1])
|
358 |
|
|
{
|
359 |
|
|
length++;
|
360 |
|
|
i++;
|
361 |
|
|
}
|
362 |
|
|
|
363 |
|
|
FT_Face face = pango_fc_font_lock_face( font );
|
364 |
|
|
cairo_font_face_t *ft = cairo_ft_font_face_create_for_ft_face (face, 0);
|
365 |
|
|
g_assert (ft != NULL);
|
366 |
|
|
|
367 |
|
|
cairo_set_font_face (gr->cr, ft);
|
368 |
|
|
cairo_show_glyphs (gr->cr, &glyphs[i-length], length+1);
|
369 |
|
|
|
370 |
|
|
cairo_font_face_destroy (ft);
|
371 |
|
|
pango_fc_font_unlock_face(font);
|
372 |
|
|
}
|
373 |
|
|
gdk_threads_leave();
|
374 |
|
|
|
375 |
|
|
(*env)->ReleaseLongArrayElements (env, java_fontset, fonts, 0);
|
376 |
|
|
g_free(glyphs);
|
377 |
|
|
}
|
378 |
|
|
|
379 |
|
|
|
380 |
|
|
JNIEXPORT void JNICALL
|
381 |
|
|
Java_gnu_java_awt_peer_gtk_CairoGraphics2D_cairoSetFont
|
382 |
|
|
(JNIEnv *env __attribute__ ((unused)), jobject obj __attribute__ ((unused)),
|
383 |
|
|
jlong pointer, jobject font)
|
384 |
|
|
{
|
385 |
|
|
struct cairographics2d *gr = NULL;
|
386 |
|
|
struct peerfont *pfont = NULL;
|
387 |
|
|
FT_Face face = NULL;
|
388 |
|
|
cairo_font_face_t *ft = NULL;
|
389 |
|
|
|
390 |
|
|
gr = JLONG_TO_PTR(struct cairographics2d, pointer);
|
391 |
|
|
g_assert (gr != NULL);
|
392 |
|
|
|
393 |
|
|
pfont = (struct peerfont *) gtkpeer_get_font(env, font);
|
394 |
|
|
g_assert (pfont != NULL);
|
395 |
|
|
|
396 |
|
|
gdk_threads_enter();
|
397 |
|
|
face = pango_fc_font_lock_face( (PangoFcFont *)pfont->font );
|
398 |
|
|
g_assert (face != NULL);
|
399 |
|
|
|
400 |
|
|
ft = cairo_ft_font_face_create_for_ft_face (face, 0);
|
401 |
|
|
g_assert (ft != NULL);
|
402 |
|
|
|
403 |
|
|
cairo_set_font_face (gr->cr, ft);
|
404 |
|
|
cairo_set_font_size (gr->cr,
|
405 |
|
|
(pango_font_description_get_size (pfont->desc) /
|
406 |
|
|
(double)PANGO_SCALE));
|
407 |
|
|
|
408 |
|
|
cairo_font_face_destroy (ft);
|
409 |
|
|
pango_fc_font_unlock_face((PangoFcFont *)pfont->font);
|
410 |
|
|
gdk_threads_leave();
|
411 |
|
|
}
|
412 |
|
|
|
413 |
|
|
JNIEXPORT void JNICALL
|
414 |
|
|
Java_gnu_java_awt_peer_gtk_CairoGraphics2D_cairoSetOperator
|
415 |
|
|
(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)),
|
416 |
|
|
jlong pointer, jint op)
|
417 |
|
|
{
|
418 |
|
|
struct cairographics2d *gr = JLONG_TO_PTR(struct cairographics2d, pointer);
|
419 |
|
|
g_assert (gr != NULL);
|
420 |
|
|
|
421 |
|
|
switch ((enum java_awt_alpha_composite_rule) op)
|
422 |
|
|
{
|
423 |
|
|
case java_awt_alpha_composite_CLEAR:
|
424 |
|
|
cairo_set_operator (gr->cr, CAIRO_OPERATOR_CLEAR);
|
425 |
|
|
break;
|
426 |
|
|
|
427 |
|
|
case java_awt_alpha_composite_SRC:
|
428 |
|
|
cairo_set_operator (gr->cr, CAIRO_OPERATOR_SOURCE);
|
429 |
|
|
break;
|
430 |
|
|
|
431 |
|
|
case java_awt_alpha_composite_SRC_OVER:
|
432 |
|
|
cairo_set_operator (gr->cr, CAIRO_OPERATOR_OVER);
|
433 |
|
|
break;
|
434 |
|
|
|
435 |
|
|
case java_awt_alpha_composite_DST_OVER:
|
436 |
|
|
cairo_set_operator (gr->cr, CAIRO_OPERATOR_DEST_OVER);
|
437 |
|
|
break;
|
438 |
|
|
|
439 |
|
|
case java_awt_alpha_composite_SRC_IN:
|
440 |
|
|
cairo_set_operator (gr->cr, CAIRO_OPERATOR_IN);
|
441 |
|
|
break;
|
442 |
|
|
|
443 |
|
|
case java_awt_alpha_composite_DST_IN:
|
444 |
|
|
cairo_set_operator (gr->cr, CAIRO_OPERATOR_DEST_IN);
|
445 |
|
|
break;
|
446 |
|
|
|
447 |
|
|
case java_awt_alpha_composite_SRC_OUT:
|
448 |
|
|
cairo_set_operator (gr->cr, CAIRO_OPERATOR_OUT);
|
449 |
|
|
break;
|
450 |
|
|
|
451 |
|
|
case java_awt_alpha_composite_DST_OUT:
|
452 |
|
|
cairo_set_operator (gr->cr, CAIRO_OPERATOR_DEST_OUT);
|
453 |
|
|
break;
|
454 |
|
|
|
455 |
|
|
case java_awt_alpha_composite_DST:
|
456 |
|
|
cairo_set_operator (gr->cr, CAIRO_OPERATOR_DEST);
|
457 |
|
|
break;
|
458 |
|
|
|
459 |
|
|
case java_awt_alpha_composite_SRC_ATOP:
|
460 |
|
|
cairo_set_operator (gr->cr, CAIRO_OPERATOR_ATOP);
|
461 |
|
|
break;
|
462 |
|
|
|
463 |
|
|
case java_awt_alpha_composite_DST_ATOP:
|
464 |
|
|
cairo_set_operator (gr->cr, CAIRO_OPERATOR_DEST_ATOP);
|
465 |
|
|
break;
|
466 |
|
|
|
467 |
|
|
case java_awt_alpha_composite_XOR:
|
468 |
|
|
cairo_set_operator (gr->cr, CAIRO_OPERATOR_XOR);
|
469 |
|
|
break;
|
470 |
|
|
}
|
471 |
|
|
}
|
472 |
|
|
|
473 |
|
|
JNIEXPORT void JNICALL
|
474 |
|
|
Java_gnu_java_awt_peer_gtk_CairoGraphics2D_cairoSetRGBAColor
|
475 |
|
|
(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)),
|
476 |
|
|
jlong pointer, jdouble r, jdouble g, jdouble b, jdouble a)
|
477 |
|
|
{
|
478 |
|
|
struct cairographics2d *gr = JLONG_TO_PTR(struct cairographics2d, pointer);
|
479 |
|
|
g_assert (gr != NULL);
|
480 |
|
|
|
481 |
|
|
cairo_set_source_rgba (gr->cr, r, g, b, a);
|
482 |
|
|
}
|
483 |
|
|
|
484 |
|
|
JNIEXPORT void JNICALL
|
485 |
|
|
Java_gnu_java_awt_peer_gtk_CairoGraphics2D_cairoSetFillRule
|
486 |
|
|
(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)),
|
487 |
|
|
jlong pointer, jint rule)
|
488 |
|
|
{
|
489 |
|
|
struct cairographics2d *gr = JLONG_TO_PTR(struct cairographics2d, pointer);
|
490 |
|
|
g_assert (gr != NULL);
|
491 |
|
|
|
492 |
|
|
switch ((enum java_awt_geom_path_iterator_winding_rule) rule)
|
493 |
|
|
{
|
494 |
|
|
case java_awt_geom_path_iterator_WIND_NON_ZERO:
|
495 |
|
|
cairo_set_fill_rule (gr->cr, CAIRO_FILL_RULE_WINDING);
|
496 |
|
|
break;
|
497 |
|
|
case java_awt_geom_path_iterator_WIND_EVEN_ODD:
|
498 |
|
|
cairo_set_fill_rule (gr->cr, CAIRO_FILL_RULE_EVEN_ODD);
|
499 |
|
|
break;
|
500 |
|
|
}
|
501 |
|
|
}
|
502 |
|
|
|
503 |
|
|
/**
|
504 |
|
|
* Set the line style, except for dashes.
|
505 |
|
|
*/
|
506 |
|
|
JNIEXPORT void JNICALL
|
507 |
|
|
Java_gnu_java_awt_peer_gtk_CairoGraphics2D_cairoSetLine
|
508 |
|
|
(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)),
|
509 |
|
|
jlong pointer, jdouble width, jint cap, jint join, jdouble miterLimit)
|
510 |
|
|
{
|
511 |
|
|
struct cairographics2d *gr = JLONG_TO_PTR(struct cairographics2d, pointer);
|
512 |
|
|
g_assert (gr != NULL);
|
513 |
|
|
|
514 |
|
|
/* set width */
|
515 |
|
|
cairo_set_line_width (gr->cr, width);
|
516 |
|
|
|
517 |
|
|
/* set cap */
|
518 |
|
|
switch ((enum java_awt_basic_stroke_cap_rule) cap)
|
519 |
|
|
{
|
520 |
|
|
case java_awt_basic_stroke_CAP_BUTT:
|
521 |
|
|
cairo_set_line_cap (gr->cr, CAIRO_LINE_CAP_BUTT);
|
522 |
|
|
break;
|
523 |
|
|
|
524 |
|
|
case java_awt_basic_stroke_CAP_ROUND:
|
525 |
|
|
cairo_set_line_cap (gr->cr, CAIRO_LINE_CAP_ROUND);
|
526 |
|
|
break;
|
527 |
|
|
|
528 |
|
|
case java_awt_basic_stroke_CAP_SQUARE:
|
529 |
|
|
cairo_set_line_cap (gr->cr, CAIRO_LINE_CAP_SQUARE);
|
530 |
|
|
break;
|
531 |
|
|
}
|
532 |
|
|
|
533 |
|
|
/* set join */
|
534 |
|
|
switch ((enum java_awt_basic_stroke_join_rule) join)
|
535 |
|
|
{
|
536 |
|
|
case java_awt_basic_stroke_JOIN_MITER:
|
537 |
|
|
cairo_set_line_join (gr->cr, CAIRO_LINE_JOIN_MITER);
|
538 |
|
|
break;
|
539 |
|
|
|
540 |
|
|
case java_awt_basic_stroke_JOIN_ROUND:
|
541 |
|
|
cairo_set_line_join (gr->cr, CAIRO_LINE_JOIN_ROUND);
|
542 |
|
|
break;
|
543 |
|
|
|
544 |
|
|
case java_awt_basic_stroke_JOIN_BEVEL:
|
545 |
|
|
cairo_set_line_join (gr->cr, CAIRO_LINE_JOIN_BEVEL);
|
546 |
|
|
break;
|
547 |
|
|
}
|
548 |
|
|
|
549 |
|
|
/* set miter */
|
550 |
|
|
cairo_set_miter_limit (gr->cr, miterLimit);
|
551 |
|
|
}
|
552 |
|
|
|
553 |
|
|
/**
|
554 |
|
|
* Set the line dashes
|
555 |
|
|
*/
|
556 |
|
|
JNIEXPORT void JNICALL
|
557 |
|
|
Java_gnu_java_awt_peer_gtk_CairoGraphics2D_cairoSetDash
|
558 |
|
|
(JNIEnv *env, jobject obj __attribute__((unused)),
|
559 |
|
|
jlong pointer, jdoubleArray dashes, jint ndash, jdouble offset)
|
560 |
|
|
{
|
561 |
|
|
jdouble *dasharr = NULL;
|
562 |
|
|
struct cairographics2d *gr = JLONG_TO_PTR(struct cairographics2d, pointer);
|
563 |
|
|
g_assert (gr != NULL);
|
564 |
|
|
|
565 |
|
|
dasharr = (*env)->GetDoubleArrayElements (env, dashes, NULL);
|
566 |
|
|
g_assert (dasharr != NULL);
|
567 |
|
|
|
568 |
|
|
cairo_set_dash (gr->cr, dasharr, ndash, offset);
|
569 |
|
|
|
570 |
|
|
(*env)->ReleaseDoubleArrayElements (env, dashes, dasharr, 0);
|
571 |
|
|
}
|
572 |
|
|
|
573 |
|
|
JNIEXPORT void JNICALL
|
574 |
|
|
Java_gnu_java_awt_peer_gtk_CairoGraphics2D_cairoSave
|
575 |
|
|
(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)),
|
576 |
|
|
jlong pointer)
|
577 |
|
|
{
|
578 |
|
|
struct cairographics2d *gr = JLONG_TO_PTR(struct cairographics2d, pointer);
|
579 |
|
|
g_assert (gr != NULL);
|
580 |
|
|
|
581 |
|
|
cairo_save (gr->cr);
|
582 |
|
|
}
|
583 |
|
|
|
584 |
|
|
JNIEXPORT void JNICALL
|
585 |
|
|
Java_gnu_java_awt_peer_gtk_CairoGraphics2D_cairoRestore
|
586 |
|
|
(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)),
|
587 |
|
|
jlong pointer)
|
588 |
|
|
{
|
589 |
|
|
struct cairographics2d *gr = JLONG_TO_PTR(struct cairographics2d, pointer);
|
590 |
|
|
g_assert (gr != NULL);
|
591 |
|
|
|
592 |
|
|
cairo_restore (gr->cr);
|
593 |
|
|
}
|
594 |
|
|
|
595 |
|
|
JNIEXPORT void JNICALL
|
596 |
|
|
Java_gnu_java_awt_peer_gtk_CairoGraphics2D_cairoNewPath
|
597 |
|
|
(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)),
|
598 |
|
|
jlong pointer)
|
599 |
|
|
{
|
600 |
|
|
struct cairographics2d *gr = JLONG_TO_PTR(struct cairographics2d, pointer);
|
601 |
|
|
g_assert (gr != NULL);
|
602 |
|
|
|
603 |
|
|
cairo_new_path (gr->cr);
|
604 |
|
|
}
|
605 |
|
|
|
606 |
|
|
JNIEXPORT void JNICALL
|
607 |
|
|
Java_gnu_java_awt_peer_gtk_CairoGraphics2D_cairoMoveTo
|
608 |
|
|
(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)),
|
609 |
|
|
jlong pointer, jdouble x, jdouble y)
|
610 |
|
|
{
|
611 |
|
|
struct cairographics2d *gr = JLONG_TO_PTR(struct cairographics2d, pointer);
|
612 |
|
|
g_assert (gr != NULL);
|
613 |
|
|
|
614 |
|
|
cairo_move_to (gr->cr, x, y);
|
615 |
|
|
}
|
616 |
|
|
|
617 |
|
|
JNIEXPORT void JNICALL
|
618 |
|
|
Java_gnu_java_awt_peer_gtk_CairoGraphics2D_cairoLineTo
|
619 |
|
|
(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)),
|
620 |
|
|
jlong pointer, jdouble x, jdouble y)
|
621 |
|
|
{
|
622 |
|
|
struct cairographics2d *gr = JLONG_TO_PTR(struct cairographics2d, pointer);
|
623 |
|
|
g_assert (gr != NULL);
|
624 |
|
|
|
625 |
|
|
cairo_line_to (gr->cr, x, y);
|
626 |
|
|
}
|
627 |
|
|
|
628 |
|
|
JNIEXPORT void JNICALL
|
629 |
|
|
Java_gnu_java_awt_peer_gtk_CairoGraphics2D_cairoCurveTo
|
630 |
|
|
(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)),
|
631 |
|
|
jlong pointer, jdouble x1, jdouble y1,
|
632 |
|
|
jdouble x2, jdouble y2, jdouble x3, jdouble y3)
|
633 |
|
|
{
|
634 |
|
|
struct cairographics2d *gr = JLONG_TO_PTR(struct cairographics2d, pointer);
|
635 |
|
|
g_assert (gr != NULL);
|
636 |
|
|
cairo_curve_to (gr->cr, x1, y1, x2, y2, x3, y3);
|
637 |
|
|
}
|
638 |
|
|
|
639 |
|
|
JNIEXPORT void JNICALL
|
640 |
|
|
Java_gnu_java_awt_peer_gtk_CairoGraphics2D_cairoRectangle
|
641 |
|
|
(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)),
|
642 |
|
|
jlong pointer, jdouble x, jdouble y, jdouble width, jdouble height)
|
643 |
|
|
{
|
644 |
|
|
struct cairographics2d *gr = JLONG_TO_PTR(struct cairographics2d, pointer);
|
645 |
|
|
|
646 |
|
|
cairo_rectangle (gr->cr, x, y, width, height);
|
647 |
|
|
}
|
648 |
|
|
|
649 |
|
|
JNIEXPORT void JNICALL
|
650 |
|
|
Java_gnu_java_awt_peer_gtk_CairoGraphics2D_cairoArc
|
651 |
|
|
(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)),
|
652 |
|
|
jlong pointer, jdouble x, jdouble y, jdouble radius, jdouble angle1,
|
653 |
|
|
jdouble angle2)
|
654 |
|
|
{
|
655 |
|
|
struct cairographics2d *gr = JLONG_TO_PTR(struct cairographics2d, pointer);
|
656 |
|
|
|
657 |
|
|
cairo_arc (gr->cr, x, y, radius, angle1, angle2);
|
658 |
|
|
}
|
659 |
|
|
|
660 |
|
|
JNIEXPORT void JNICALL
|
661 |
|
|
Java_gnu_java_awt_peer_gtk_CairoGraphics2D_cairoClosePath
|
662 |
|
|
(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)),
|
663 |
|
|
jlong pointer)
|
664 |
|
|
{
|
665 |
|
|
struct cairographics2d *gr = JLONG_TO_PTR(struct cairographics2d, pointer);
|
666 |
|
|
g_assert (gr != NULL);
|
667 |
|
|
|
668 |
|
|
cairo_close_path (gr->cr);
|
669 |
|
|
}
|
670 |
|
|
|
671 |
|
|
JNIEXPORT void JNICALL
|
672 |
|
|
Java_gnu_java_awt_peer_gtk_CairoGraphics2D_cairoStroke
|
673 |
|
|
(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)),
|
674 |
|
|
jlong pointer)
|
675 |
|
|
{
|
676 |
|
|
struct cairographics2d *gr = JLONG_TO_PTR(struct cairographics2d, pointer);
|
677 |
|
|
g_assert (gr != NULL);
|
678 |
|
|
|
679 |
|
|
cairo_stroke (gr->cr);
|
680 |
|
|
}
|
681 |
|
|
|
682 |
|
|
JNIEXPORT void JNICALL
|
683 |
|
|
Java_gnu_java_awt_peer_gtk_CairoGraphics2D_cairoFill
|
684 |
|
|
(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)),
|
685 |
|
|
jlong pointer, jdouble alpha)
|
686 |
|
|
{
|
687 |
|
|
struct cairographics2d *gr = JLONG_TO_PTR(struct cairographics2d, pointer);
|
688 |
|
|
g_assert (gr != NULL);
|
689 |
|
|
|
690 |
|
|
if (alpha == 1.0)
|
691 |
|
|
cairo_fill (gr->cr);
|
692 |
|
|
else
|
693 |
|
|
{
|
694 |
|
|
cairo_save(gr->cr);
|
695 |
|
|
cairo_clip(gr->cr);
|
696 |
|
|
cairo_paint_with_alpha(gr->cr, alpha);
|
697 |
|
|
cairo_restore(gr->cr);
|
698 |
|
|
}
|
699 |
|
|
}
|
700 |
|
|
|
701 |
|
|
JNIEXPORT void JNICALL
|
702 |
|
|
Java_gnu_java_awt_peer_gtk_CairoGraphics2D_cairoClip
|
703 |
|
|
(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)),
|
704 |
|
|
jlong pointer)
|
705 |
|
|
{
|
706 |
|
|
struct cairographics2d *gr = JLONG_TO_PTR(struct cairographics2d, pointer);
|
707 |
|
|
g_assert( gr != NULL );
|
708 |
|
|
|
709 |
|
|
cairo_clip( gr->cr );
|
710 |
|
|
}
|
711 |
|
|
|
712 |
|
|
JNIEXPORT void JNICALL
|
713 |
|
|
Java_gnu_java_awt_peer_gtk_CairoGraphics2D_cairoResetClip
|
714 |
|
|
(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)),
|
715 |
|
|
jlong pointer)
|
716 |
|
|
{
|
717 |
|
|
struct cairographics2d *gr = JLONG_TO_PTR(struct cairographics2d, pointer);
|
718 |
|
|
g_assert (gr != NULL);
|
719 |
|
|
|
720 |
|
|
cairo_reset_clip( gr->cr );
|
721 |
|
|
}
|
722 |
|
|
|
723 |
|
|
JNIEXPORT void JNICALL
|
724 |
|
|
Java_gnu_java_awt_peer_gtk_CairoGraphics2D_cairoSetAntialias
|
725 |
|
|
(JNIEnv *env __attribute__ ((unused)), jobject obj __attribute__ ((unused)),
|
726 |
|
|
jlong pointer, jboolean aa)
|
727 |
|
|
{
|
728 |
|
|
struct cairographics2d *gr = JLONG_TO_PTR(struct cairographics2d, pointer);
|
729 |
|
|
g_assert (gr != NULL);
|
730 |
|
|
|
731 |
|
|
if (aa)
|
732 |
|
|
cairo_set_antialias(gr->cr, CAIRO_ANTIALIAS_GRAY);
|
733 |
|
|
else
|
734 |
|
|
cairo_set_antialias(gr->cr, CAIRO_ANTIALIAS_NONE);
|
735 |
|
|
}
|
736 |
|
|
|
737 |
|
|
static void
|
738 |
|
|
update_pattern_transform (struct cairographics2d *gr)
|
739 |
|
|
{
|
740 |
|
|
cairo_matrix_t mat;
|
741 |
|
|
|
742 |
|
|
g_assert (gr != NULL);
|
743 |
|
|
if (gr->pattern == NULL)
|
744 |
|
|
return;
|
745 |
|
|
|
746 |
|
|
cairo_get_matrix (gr->cr, &mat);
|
747 |
|
|
cairo_pattern_set_matrix (gr->pattern, &mat);
|
748 |
|
|
}
|
749 |
|
|
|