Open type table definitions.

http://codereview.appspot.com/5577064/



git-svn-id: http://skia.googlecode.com/svn/trunk@3131 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 143 insertions, 0 deletions

diff --git a/src/sfnt/SkOTTable_head.h b/src/sfnt/SkOTTable_head.h
new file mode 100644
index 0000000000..2f1d69c82e
--- /dev/null
+++ b/src/sfnt/SkOTTable_head.h
@@ -0,0 +1,143 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkOTTable_head_DEFINED
+#define SkOTTable_head_DEFINED
+
+#include "SkEndian.h"
+#include "SkOTTableTypes.h"
+#include "SkTypedEnum.h"
+
+#pragma pack(push, 1)
+
+struct SkOTTableHead {
+    SK_OT_Fixed version;
+    static const SK_OT_Fixed version1 = SkTEndian_SwapBE32(0x00010000);
+    SK_OT_Fixed fontRevision;
+    SK_OT_ULONG checkSumAdjustment;
+    SK_OT_ULONG magicNumber;
+    static const SK_OT_ULONG magicNumberConst = SkTEndian_SwapBE32(0x5F0F3CF5);
+    union Flags {
+        struct Field {
+            //8-15
+            SK_OT_BYTE_BITFIELD(
+                GXMetamorphosis_Apple,
+                HasStrongRTL_Apple,
+                HasIndicStyleRearrangement,
+                AgfaMicroTypeExpressProcessed,
+                FontConverted,
+                DesignedForClearType,
+                LastResort,
+                Reserved15)
+            //0-7
+            SK_OT_BYTE_BITFIELD(
+                BaselineAtY0,
+                LeftSidebearingAtX0,
+                InstructionsDependOnPointSize,
+                IntegerScaling,
+                InstructionsAlterAdvanceWidth,
+                VerticalCenteredGlyphs_Apple,
+                Reserved06,
+                RequiresLayout_Apple)
+        } field;
+        struct Raw {
+            static const SK_OT_USHORT BaselineAtY0Mask = SkTEndian_SwapBE16(1 << 0);
+            static const SK_OT_USHORT LeftSidebearingAtX0Mask = SkTEndian_SwapBE16(1 << 1);
+            static const SK_OT_USHORT InstructionsDependOnPointSizeMask = SkTEndian_SwapBE16(1 << 2);
+            static const SK_OT_USHORT IntegerScalingMask = SkTEndian_SwapBE16(1 << 3);
+            static const SK_OT_USHORT InstructionsAlterAdvanceWidthMask = SkTEndian_SwapBE16(1 << 4);
+            static const SK_OT_USHORT VerticalCenteredGlyphs_AppleMask = SkTEndian_SwapBE16(1 << 5);
+            //Reserved
+            static const SK_OT_USHORT RequiresLayout_AppleMask = SkTEndian_SwapBE16(1 << 7);
+
+            static const SK_OT_USHORT GXMetamorphosis_AppleMask = SkTEndian_SwapBE16(1 << 8);
+            static const SK_OT_USHORT HasStrongRTL_AppleMask = SkTEndian_SwapBE16(1 << 9);
+            static const SK_OT_USHORT HasIndicStyleRearrangementMask = SkTEndian_SwapBE16(1 << 10);
+            static const SK_OT_USHORT AgfaMicroTypeExpressProcessedMask = SkTEndian_SwapBE16(1 << 11);
+            static const SK_OT_USHORT FontConvertedMask = SkTEndian_SwapBE16(1 << 12);
+            static const SK_OT_USHORT DesignedForClearTypeMask = SkTEndian_SwapBE16(1 << 13);
+            static const SK_OT_USHORT LastResortMask = SkTEndian_SwapBE16(1 << 14);
+            //Reserved
+            SK_OT_USHORT value;
+        } raw;
+    } flags;
+    SK_OT_USHORT unitsPerEm;
+    SK_OT_LONGDATETIME created;
+    SK_OT_LONGDATETIME modified;
+    SK_OT_SHORT xMin;
+    SK_OT_SHORT yMin;
+    SK_OT_SHORT xMax;
+    SK_OT_SHORT yMax;
+    union MacStyle {
+        struct Field {
+            //8-15
+            SK_OT_BYTE_BITFIELD(
+                Reserved08,
+                Reserved09,
+                Reserved10,
+                Reserved11,
+                Reserved12,
+                Reserved13,
+                Reserved14,
+                Reserved15)
+            //0-7
+            SK_OT_BYTE_BITFIELD(
+                Bold,
+                Italic,
+                Underline,
+                Outline,
+                Shadow,
+                Condensed,
+                Extended,
+                Reserved07)
+        } field;
+        struct Raw {
+            static const SK_OT_USHORT BoldMask = SkTEndian_SwapBE16(1);
+            static const SK_OT_USHORT ItalicMask = SkTEndian_SwapBE16(1 << 1);
+            static const SK_OT_USHORT UnderlineMask = SkTEndian_SwapBE16(1 << 2);
+            static const SK_OT_USHORT OutlineMask = SkTEndian_SwapBE16(1 << 3);
+            static const SK_OT_USHORT ShadowMask = SkTEndian_SwapBE16(1 << 4);
+            static const SK_OT_USHORT CondensedMask = SkTEndian_SwapBE16(1 << 5);
+            static const SK_OT_USHORT ExtendedMask = SkTEndian_SwapBE16(1 << 6);
+
+            SK_OT_USHORT value;
+        } raw;
+    } macStyle;
+    SK_OT_USHORT lowestRecPPEM;
+    struct FontDirectionHint {
+        SK_TYPED_ENUM(Value, SK_OT_SHORT,
+            ((FullyMixedDirectionalGlyphs, SkTEndian_SwapBE16(0)))
+            ((OnlyStronglyLTR, SkTEndian_SwapBE16(1)))
+            ((StronglyLTR, SkTEndian_SwapBE16(2)))
+            ((OnlyStronglyRTL, static_cast<SK_OT_SHORT>(SkTEndian_SwapBE16(-1))))
+            ((StronglyRTL, static_cast<SK_OT_SHORT>(SkTEndian_SwapBE16(-2))))
+            SK_SEQ_END,
+        (value)SK_SEQ_END)
+    } fontDirectionHint;
+    struct IndexToLocFormat {
+        SK_TYPED_ENUM(Value, SK_OT_SHORT,
+            ((ShortOffsets, SkTEndian_SwapBE16(0)))
+            ((LongOffsets, SkTEndian_SwapBE16(1)))
+            SK_SEQ_END,
+        (value)SK_SEQ_END)
+    } indexToLocFormat;
+    struct GlyphDataFormat {
+        SK_TYPED_ENUM(Value, SK_OT_SHORT,
+            ((CurrentFormat, SkTEndian_SwapBE16(0)))
+            SK_SEQ_END,
+        (value)SK_SEQ_END)
+    } glyphDataFormat;
+};
+
+#pragma pack(pop)
+
+
+#include <stddef.h>
+SK_COMPILE_ASSERT(offsetof(SkOTTableHead, glyphDataFormat) == 52, SkOTTableHead_glyphDataFormat_not_at_52);
+SK_COMPILE_ASSERT(sizeof(SkOTTableHead) == 54, sizeof_SkOTTableHead_not_54);
+
+#endif