gvdevice plugin to output cairo bitmaps; one or two missing refcount releases

diff --git a/plugin/quartz/Makefile.am b/plugin/quartz/Makefile.am
index ea3424718b6cbce5ca228d45d0b42ed41e7d3b65..9fc2d57de99522e2351c52cc1e3618074b08394e 100644 (file)
--- a/plugin/quartz/Makefile.am
+++ b/plugin/quartz/Makefile.am
@@ -22,6 +22,7 @@ endif
 endif
 
 libgvplugin_quartz_C_la_SOURCES = \
+       gvdevice_quartz.c \
        gvloadimage_quartz.c \
        gvplugin_quartz.c \
        gvrender_quartz.c

diff --git a/plugin/quartz/gvdevice_quartz.c b/plugin/quartz/gvdevice_quartz.c
new file mode 100644 (file)
index 0000000..70b285a
--- /dev/null
+++ b/plugin/quartz/gvdevice_quartz.c
@@ -0,0 +1,105 @@
+/* $Id$ $Revision$ */
+/* vim:set shiftwidth=4 ts=8: */
+
+/**********************************************************
+*      This software is part of the graphviz package      *
+*                http://www.graphviz.org/                 *
+*                                                         *
+*            Copyright (c) 1994-2004 AT&T Corp.           *
+*                and is licensed under the                *
+*            Common Public License, Version 1.0           *
+*                      by AT&T Corp.                      *
+*                                                         *
+*        Information and Software Systems Research        *
+*              AT&T Research, Florham Park NJ             *
+**********************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "gvplugin_device.h"
+
+#include "gvplugin_quartz.h"
+
+const void *memory_data_consumer_get_byte_pointer(void *info)
+{
+       return info;
+}
+
+CGDataProviderDirectCallbacks memory_data_provider_callbacks = {
+       0,
+       memory_data_consumer_get_byte_pointer,
+       NULL,
+       NULL,
+       NULL
+};
+
+static void quartz_format(GVJ_t *job)
+{
+       /* image destination -> data consumer -> job's gvdevice */
+       /* data provider <- job's imagedata */
+       CGDataConsumerRef data_consumer = CGDataConsumerCreate(job, &device_data_consumer_callbacks);
+       CGImageDestinationRef image_destination = CGImageDestinationCreateWithDataConsumer(data_consumer, format_uti[job->device.id], 1, NULL);
+       CGDataProviderRef data_provider = CGDataProviderCreateDirect(job->imagedata, BYTES_PER_PIXEL * job->width * job->height, &memory_data_provider_callbacks);
+       
+       /* add the bitmap image to the destination and save it */
+       CGColorSpaceRef color_space = CGColorSpaceCreateWithName(kCGColorSpaceSRGB);
+       CGImageRef image = CGImageCreate (
+               job->width,                                                     /* width in pixels */
+               job->height,                                            /* height in pixels */
+               BITS_PER_COMPONENT,                                     /* bits per component */
+               BYTES_PER_PIXEL * 8,                            /* bits per pixel */
+               BYTES_PER_PIXEL * job->width,           /* bytes per row: exactly width # of pixels */
+               color_space,                                            /* color space: sRGB */
+               kCGImageAlphaPremultipliedFirst,        /* bitmap info: corresponds to CAIRO_FORMAT_ARGB32 */
+               data_provider,                                          /* data provider: from imagedata */
+               NULL,                                                           /* decode: don't remap colors */
+               FALSE,                                                          /* don't interpolate */
+               kCGRenderingIntentDefault                       /* rendering intent (what to do with out-of-gamut colors): default */
+       );
+       CGImageDestinationAddImage(image_destination, image, NULL);
+       CGImageDestinationFinalize(image_destination);
+       
+       /* clean up */
+       CGImageRelease(image);
+       CGColorSpaceRelease(color_space);
+       CGDataProviderRelease(data_provider);
+       if (image_destination)
+               CFRelease(image_destination);
+       CGDataConsumerRelease(data_consumer);
+}
+
+static gvdevice_engine_t quartz_engine = {
+    NULL,              /* quartz_initialize */
+    quartz_format,
+    NULL,              /* quartz_finalize */
+};
+
+static gvdevice_features_t device_features_quartz = {
+       GVDEVICE_BINARY_FORMAT        
+          | GVDEVICE_DOES_TRUECOLOR,/* flags */
+       {0.,0.},                    /* default margin - points */
+       {0.,0.},                    /* default page width, height - points */
+       {96.,96.},                  /* dpi */
+};
+
+gvplugin_installed_t gvdevice_quartz_types_for_cairo[] = {
+       {FORMAT_BMP, "bmp:cairo", 8, &quartz_engine, &device_features_quartz},
+       {FORMAT_GIF, "gif:cairo", 8, &quartz_engine, &device_features_quartz},
+       {FORMAT_EXR, "exr:cairo", 8, &quartz_engine, &device_features_quartz},
+       {FORMAT_JPEG, "jpe:cairo", 8, &quartz_engine, &device_features_quartz},
+       {FORMAT_JPEG, "jpeg:cairo", 8, &quartz_engine, &device_features_quartz},
+       {FORMAT_JPEG, "jpg:cairo", 8, &quartz_engine, &device_features_quartz},
+       {FORMAT_JPEG2000, "jp2:cairo", 8, &quartz_engine, &device_features_quartz},
+       {FORMAT_PDF, "pdf:cairo", 8, &quartz_engine, &device_features_quartz},
+       {FORMAT_PICT, "pct:cairo", 8, &quartz_engine, &device_features_quartz},
+       {FORMAT_PICT, "pict:cairo", 8, &quartz_engine, &device_features_quartz},
+       {FORMAT_PNG, "png:cairo", 8, &quartz_engine, &device_features_quartz},
+       {FORMAT_PSD, "psd:cairo", 8, &quartz_engine, &device_features_quartz},
+       {FORMAT_SGI, "sgi:cairo", 8, &quartz_engine, &device_features_quartz},
+       {FORMAT_TIFF, "tif:cairo", 8, &quartz_engine, &device_features_quartz},
+       {FORMAT_TIFF, "tiff:cairo", 8, &quartz_engine, &device_features_quartz},
+       {FORMAT_TGA, "tga:cairo", 8, &quartz_engine, &device_features_quartz},
+       {0, NULL, 0, NULL, NULL}
+};