From 617d4739b9002f24c9b18bca9f15e4b052cbd1ea Mon Sep 17 00:00:00 2001
From: Shimon Doodkin <helpmepro1@gmail.com>
Date: Wed, 6 Dec 2017 01:02:48 +0200
Subject: [PATCH 1/2] add ps support

---
 binding.gyp  | 2 +-
 readme.md    | 1 +
 src/Enums.cc | 3 +++
 src/Enums.h  | 5 +++--
 src/Rsvg.cc  | 6 +++++-
 5 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/binding.gyp b/binding.gyp
index 920f43c..bb0df45 100644
--- a/binding.gyp
+++ b/binding.gyp
@@ -21,7 +21,7 @@
 				"<!(node -e \"require('nan')\")" 
 			],
 			"variables": {
-				"packages": "librsvg-2.0 cairo-png cairo-pdf cairo-svg",
+				"packages": "librsvg-2.0 cairo-png cairo-pdf cairo-ps cairo-svg",
 				"conditions": [
 					[ "OS!='win'", {
 						"libraries": "<!(<(pkg_env) pkg-config --libs-only-l <(packages))",
diff --git a/readme.md b/readme.md
index ad354bc..9837733 100644
--- a/readme.md
+++ b/readme.md
@@ -4,6 +4,7 @@
 
  *  PNG
  *  PDF
+ *  PS
  *  SVG
  *  Raw memory buffer image
 
diff --git a/src/Enums.cc b/src/Enums.cc
index 1944c8f..2c9ed28 100644
--- a/src/Enums.cc
+++ b/src/Enums.cc
@@ -21,6 +21,8 @@ render_format_t RenderFormatFromString(const char* formatString) {
 		return RENDER_FORMAT_JPEG;
 	} else if (std::strcmp(formatString, "pdf") == 0) {
 		return RENDER_FORMAT_PDF;
+	} else if (std::strcmp(formatString, "ps") == 0) {
+		return RENDER_FORMAT_PS;
 	} else if (std::strcmp(formatString, "svg") == 0) {
 		return RENDER_FORMAT_SVG;
 	} else if (std::strcmp(formatString, "vips") == 0) {
@@ -36,6 +38,7 @@ Handle<Value> RenderFormatToString(render_format_t format) {
 		format == RENDER_FORMAT_PNG ? "png" :
 		format == RENDER_FORMAT_JPEG ? "jpeg" :
 		format == RENDER_FORMAT_PDF ? "pdf" :
+		format == RENDER_FORMAT_PS ? "ps" :
 		format == RENDER_FORMAT_SVG ? "svg" :
 		format == RENDER_FORMAT_VIPS ? "vips" :
 		NULL;
diff --git a/src/Enums.h b/src/Enums.h
index 3f2b4f1..58d9267 100644
--- a/src/Enums.h
+++ b/src/Enums.h
@@ -12,8 +12,9 @@ typedef enum {
 	RENDER_FORMAT_PNG = 1,
 	RENDER_FORMAT_JPEG = 2,
 	RENDER_FORMAT_PDF = 3,
-	RENDER_FORMAT_SVG = 4,
-	RENDER_FORMAT_VIPS = 5
+	RENDER_FORMAT_PS = 4,
+	RENDER_FORMAT_SVG = 5,
+	RENDER_FORMAT_VIPS = 6
 } render_format_t;
 
 render_format_t RenderFormatFromString(const char* formatString);
diff --git a/src/Rsvg.cc b/src/Rsvg.cc
index 9a86116..2be512e 100644
--- a/src/Rsvg.cc
+++ b/src/Rsvg.cc
@@ -3,6 +3,7 @@
 #include "Enums.h"
 #include <node_buffer.h>
 #include <cairo-pdf.h>
+#include <cairo-ps.h>
 #include <cairo-svg.h>
 #include <string>
 #include <iostream>
@@ -313,7 +314,8 @@ NAN_METHOD(Rsvg::Render) {
         return ARGVAR.GetReturnValue().Set(Nan::Undefined());
     } else if (
             renderFormat == RENDER_FORMAT_SVG ||
-            renderFormat == RENDER_FORMAT_PDF) {
+            renderFormat == RENDER_FORMAT_PDF ||
+            renderFormat == RENDER_FORMAT_PS) {
         pixelFormat = CAIRO_FORMAT_INVALID;
     } else if (renderFormat == RENDER_FORMAT_VIPS) {
         Nan::ThrowError("Format not supported: VIPS");
@@ -369,6 +371,8 @@ NAN_METHOD(Rsvg::Render) {
 #if CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1, 10, 0)
         cairo_pdf_surface_restrict_to_version(surface, CAIRO_PDF_VERSION_1_4);
 #endif
+    }  else if (renderFormat == RENDER_FORMAT_PS) {
+        surface = cairo_ps_surface_create_for_stream(GetDataChunks, &data, width, height);
     } else {
         surface = cairo_image_surface_create(pixelFormat, width, height);
     }

From 5bb9b6cd3e17e0142a099046a99067cf29427663 Mon Sep 17 00:00:00 2001
From: Shimon Doodkin <helpmepro1@gmail.com>
Date: Wed, 19 Sep 2018 23:07:56 +0300
Subject: [PATCH 2/2] add flags
 RSVG_HANDLE_FLAG_UNLIMITED+RSVG_HANDLE_FLAG_KEEP_IMAGE_DATA

---
 binding.gyp |  1 +
 src/Rsvg.cc | 15 ++++++++++++---
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/binding.gyp b/binding.gyp
index bb0df45..57f304b 100644
--- a/binding.gyp
+++ b/binding.gyp
@@ -36,6 +36,7 @@
 				[ "OS!='mac' and OS!='win'", {
 					"cflags": [
 						"<@(cflags)",
+						"-fpermissive",
 						"-std=c++0x"
 					],
 					"ldflags": [
diff --git a/src/Rsvg.cc b/src/Rsvg.cc
index 2be512e..f59448a 100644
--- a/src/Rsvg.cc
+++ b/src/Rsvg.cc
@@ -83,15 +83,24 @@ NAN_METHOD(Rsvg::New) {
             gsize length = Buffer::Length(ARGVAR[0]);
 
             GError* error = NULL;
-            handle = rsvg_handle_new_from_data(buffer, length, &error);
-
+            //handle = rsvg_handle_new_from_data(buffer, length, &error);
+            handle = rsvg_handle_new_with_flags((RsvgHandleFlags)RSVG_HANDLE_FLAG_UNLIMITED+RSVG_HANDLE_FLAG_KEEP_IMAGE_DATA);
+            rsvg_handle_write(handle, buffer, length, &error);
+            if (error) {
+                Nan::ThrowError(error->message);
+                g_error_free(error);
+                return ARGVAR.GetReturnValue().Set(Nan::Undefined());
+            }
+            error = NULL;
+            rsvg_handle_close(handle, &error);
             if (error) {
                 Nan::ThrowError(error->message);
                 g_error_free(error);
                 return ARGVAR.GetReturnValue().Set(Nan::Undefined());
             }
+            
         } else {
-            handle = rsvg_handle_new();
+            handle = rsvg_handle_new_with_flags((RsvgHandleFlags)RSVG_HANDLE_FLAG_UNLIMITED+RSVG_HANDLE_FLAG_KEEP_IMAGE_DATA);
         }
         // Error handling.
         if (!handle) {