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-rw-r--r--src/3rdparty/freetype/src/base/ftoutln.c148
1 files changed, 72 insertions, 76 deletions
diff --git a/src/3rdparty/freetype/src/base/ftoutln.c b/src/3rdparty/freetype/src/base/ftoutln.c
index cb91321deb..0e2ba3475d 100644
--- a/src/3rdparty/freetype/src/base/ftoutln.c
+++ b/src/3rdparty/freetype/src/base/ftoutln.c
@@ -1,26 +1,19 @@
-/***************************************************************************/
-/* */
-/* 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>
@@ -31,14 +24,14 @@
#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
@@ -53,8 +46,7 @@
void* user )
{
#undef SCALED
-#define SCALED( x ) ( ( (x) < 0 ? -( -(x) << shift ) \
- : ( (x) << shift ) ) - delta )
+#define SCALED( x ) ( (x) * ( 1L << shift ) - delta )
FT_Vector v_last;
FT_Vector v_control;
@@ -296,14 +288,22 @@
}
+ /* documentation is in ftoutln.h */
+
FT_EXPORT_DEF( FT_Error )
- FT_Outline_New_Internal( FT_Memory memory,
- FT_UInt numPoints,
- FT_Int numContours,
- FT_Outline *anoutline )
+ FT_Outline_New( FT_Library library,
+ FT_UInt numPoints,
+ FT_Int numContours,
+ FT_Outline *anoutline )
{
- FT_Error error;
+ 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 );
@@ -330,7 +330,7 @@
Fail:
anoutline->flags |= FT_OUTLINE_OWNER;
- FT_Outline_Done_Internal( memory, anoutline );
+ FT_Outline_Done( library, anoutline );
return error;
}
@@ -339,22 +339,6 @@
/* 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 )
@@ -436,13 +420,23 @@
}
+ /* documentation is in ftoutln.h */
+
FT_EXPORT_DEF( FT_Error )
- FT_Outline_Done_Internal( FT_Memory memory,
- FT_Outline* outline )
+ 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 );
@@ -460,21 +454,6 @@
/* 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 )
@@ -619,6 +598,7 @@
FT_Error error;
FT_Renderer renderer;
FT_ListNode node;
+ FT_BBox cbox;
if ( !library )
@@ -630,11 +610,26 @@
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;
+ /* preset clip_box for direct mode */
+ if ( params->flags & FT_RASTER_FLAG_DIRECT &&
+ !( params->flags & FT_RASTER_FLAG_CLIP ) )
+ {
+ params->clip_box.xMin = cbox.xMin >> 6;
+ params->clip_box.yMin = cbox.yMin >> 6;
+ params->clip_box.xMax = ( cbox.xMax + 63 ) >> 6;
+ params->clip_box.yMax = ( cbox.yMax + 63 ) >> 6;
+ }
+
error = FT_ERR( Cannot_Render_Glyph );
while ( renderer )
{
@@ -911,9 +906,9 @@
FT_Pos xstrength,
FT_Pos ystrength )
{
- FT_Vector* points;
- FT_Int c, first, last;
- FT_Int orientation;
+ FT_Vector* points;
+ FT_Int c, first, last;
+ FT_Orientation orientation;
if ( !outline )
@@ -1044,7 +1039,7 @@
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;
@@ -1090,7 +1085,8 @@
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;
}
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