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src/java.desktop/share/native/libfreetype/src/base/ftoutln.c
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@@ -1,46 +1,39 @@
-/***************************************************************************/
-/* */
-/* ftoutln.c */
-/* */
-/* FreeType outline management (body). */
-/* */
-/* Copyright 1996-2018 by */
-/* David Turner, Robert Wilhelm, and Werner Lemberg. */
-/* */
-/* This file is part of the FreeType project, and may only be used, */
-/* modified, and distributed under the terms of the FreeType project */
-/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
-/* this file you indicate that you have read the license and */
-/* understand and accept it fully. */
-/* */
-/***************************************************************************/
-
-
- /*************************************************************************/
- /* */
- /* All functions are declared in freetype.h. */
- /* */
- /*************************************************************************/
+/****************************************************************************
+ *
+ * ftoutln.c
+ *
+ * FreeType outline management (body).
+ *
+ * Copyright (C) 1996-2019 by
+ * David Turner, Robert Wilhelm, and Werner Lemberg.
+ *
+ * This file is part of the FreeType project, and may only be used,
+ * modified, and distributed under the terms of the FreeType project
+ * license, LICENSE.TXT. By continuing to use, modify, or distribute
+ * this file you indicate that you have read the license and
+ * understand and accept it fully.
+ *
+ */
#include <ft2build.h>
#include FT_OUTLINE_H
#include FT_INTERNAL_OBJECTS_H
#include FT_INTERNAL_CALC_H
#include FT_INTERNAL_DEBUG_H
#include FT_TRIGONOMETRY_H
- /*************************************************************************/
- /* */
- /* The macro FT_COMPONENT is used in trace mode. It is an implicit */
- /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */
- /* messages during execution. */
- /* */
+ /**************************************************************************
+ *
+ * The macro FT_COMPONENT is used in trace mode. It is an implicit
+ * parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log
+ * messages during execution.
+ */
#undef FT_COMPONENT
-#define FT_COMPONENT trace_outline
+#define FT_COMPONENT outline
static
const FT_Outline null_outline = { 0, 0, NULL, NULL, NULL, 0 };
@@ -294,19 +287,27 @@
FT_TRACE5(( "FT_Outline_Decompose: Error 0x%x\n", error ));
return error;
}
+ /* documentation is in ftoutln.h */
+
FT_EXPORT_DEF( FT_Error )
- FT_Outline_New_Internal( FT_Memory memory,
+ FT_Outline_New( FT_Library library,
FT_UInt numPoints,
FT_Int numContours,
FT_Outline *anoutline )
{
FT_Error error;
+ FT_Memory memory;
+ if ( !library )
+ return FT_THROW( Invalid_Library_Handle );
+
+ memory = library->memory;
+
if ( !anoutline || !memory )
return FT_THROW( Invalid_Argument );
*anoutline = null_outline;
@@ -328,35 +329,19 @@
return FT_Err_Ok;
Fail:
anoutline->flags |= FT_OUTLINE_OWNER;
- FT_Outline_Done_Internal( memory, anoutline );
+ FT_Outline_Done( library, anoutline );
return error;
}
/* documentation is in ftoutln.h */
FT_EXPORT_DEF( FT_Error )
- FT_Outline_New( FT_Library library,
- FT_UInt numPoints,
- FT_Int numContours,
- FT_Outline *anoutline )
- {
- if ( !library )
- return FT_THROW( Invalid_Library_Handle );
-
- return FT_Outline_New_Internal( library->memory, numPoints,
- numContours, anoutline );
- }
-
-
- /* documentation is in ftoutln.h */
-
- FT_EXPORT_DEF( FT_Error )
FT_Outline_Check( FT_Outline* outline )
{
if ( outline )
{
FT_Int n_points = outline->n_points;
@@ -434,17 +419,27 @@
return FT_Err_Ok;
}
+ /* documentation is in ftoutln.h */
+
FT_EXPORT_DEF( FT_Error )
- FT_Outline_Done_Internal( FT_Memory memory,
+ FT_Outline_Done( FT_Library library,
FT_Outline* outline )
{
+ FT_Memory memory;
+
+
+ if ( !library )
+ return FT_THROW( Invalid_Library_Handle );
+
if ( !outline )
return FT_THROW( Invalid_Outline );
+ memory = library->memory;
+
if ( !memory )
return FT_THROW( Invalid_Argument );
if ( outline->flags & FT_OUTLINE_OWNER )
{
@@ -458,25 +453,10 @@
}
/* documentation is in ftoutln.h */
- FT_EXPORT_DEF( FT_Error )
- FT_Outline_Done( FT_Library library,
- FT_Outline* outline )
- {
- /* check for valid `outline' in FT_Outline_Done_Internal() */
-
- if ( !library )
- return FT_THROW( Invalid_Library_Handle );
-
- return FT_Outline_Done_Internal( library->memory, outline );
- }
-
-
- /* documentation is in ftoutln.h */
-
FT_EXPORT_DEF( void )
FT_Outline_Get_CBox( const FT_Outline* outline,
FT_BBox *acbox )
{
FT_Pos xMin, yMin, xMax, yMax;
@@ -617,10 +597,11 @@
FT_Raster_Params* params )
{
FT_Error error;
FT_Renderer renderer;
FT_ListNode node;
+ FT_BBox cbox;
if ( !library )
return FT_THROW( Invalid_Library_Handle );
@@ -628,10 +609,15 @@
return FT_THROW( Invalid_Outline );
if ( !params )
return FT_THROW( Invalid_Argument );
+ FT_Outline_Get_CBox( outline, &cbox );
+ if ( cbox.xMin < -0x1000000L || cbox.yMin < -0x1000000L ||
+ cbox.xMax > 0x1000000L || cbox.yMax > 0x1000000L )
+ return FT_THROW( Invalid_Outline );
+
renderer = library->cur_renderer;
node = library->renderers.head;
params->source = (void*)outline;
@@ -911,11 +897,11 @@
FT_Pos xstrength,
FT_Pos ystrength )
{
FT_Vector* points;
FT_Int c, first, last;
- FT_Int orientation;
+ FT_Orientation orientation;
if ( !outline )
return FT_THROW( Invalid_Outline );
@@ -1042,11 +1028,11 @@
/* documentation is in ftoutln.h */
FT_EXPORT_DEF( FT_Orientation )
FT_Outline_Get_Orientation( FT_Outline* outline )
{
- FT_BBox cbox;
+ FT_BBox cbox = { 0, 0, 0, 0 };
FT_Int xshift, yshift;
FT_Vector* points;
FT_Vector v_prev, v_cur;
FT_Int c, n, first;
FT_Pos area = 0;
@@ -1088,11 +1074,12 @@
{
v_cur.x = points[n].x >> xshift;
v_cur.y = points[n].y >> yshift;
area = ADD_LONG( area,
- ( v_cur.y - v_prev.y ) * ( v_cur.x + v_prev.x ) );
+ MUL_LONG( v_cur.y - v_prev.y,
+ v_cur.x + v_prev.x ) );
v_prev = v_cur;
}
first = last + 1;
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