[freetype] Correct error handling

graphics/freetype.cpp

@@ -0,0 +1,8 @@
+#include "freetype.hpp"
+
+#undef __FTERRORS_H__
+#define FT_ERRORDEF(e, v, s) {e, s},
+#define FT_ERROR_START_LIST  {
+#define FT_ERROR_END_LIST    {0, 0}};
+FreetypeError g_FT_Errors[] =
+#include FT_ERRORS_H

graphics/freetype.hpp

@@ -0,0 +1,38 @@
+#pragma once
+
+#include "../base/logging.hpp"
+
+// Put all needed FT includes in one place
+#include <ft2build.h>
+#include FT_TYPES_H
+#include FT_SYSTEM_H
+#include FT_FREETYPE_H
+#include FT_STROKER_H
+#include FT_CACHE_H
+
+struct FreetypeError
+{
+  int m_code;
+  char const * m_message;
+};
+
+extern FreetypeError g_FT_Errors[];
+
+#define FREETYPE_CHECK(x) \
+  do \
+  { \
+    FT_Error const err = (x); \
+    if (err) \
+      LOG(LWARNING, ("Freetype:", g_FT_Errors[err].m_code, g_FT_Errors[err].m_message)); \
+  } while (false)
+
+#define FREETYPE_CHECK_RETURN(x, msg) \
+  do \
+  { \
+    FT_Error const err = (x); \
+    if (err) \
+    { \
+      LOG(LWARNING, ("Freetype", g_FT_Errors[err].m_code, g_FT_Errors[err].m_message, msg)); \
+      return; \
+    } \
+  } while (false)

graphics/ft2_debug.cpp

@@ -1,42 +0,0 @@
-#include "../base/SRC_FIRST.hpp"
-#include "ft2_debug.hpp"
-
-#undef __FTERRORS_H__
-#define FT_ERRORDEF( e, v, s )  { e, s },
-#define FT_ERROR_START_LIST     {
-#define FT_ERROR_END_LIST       { 0, 0 } };
-
-const struct
-{
-  int          err_code;
-  const char*  err_msg;
-} ft_errors[] =
-
-#include FT_ERRORS_H
-
-namespace ft2_impl
-{
-
-char const * FT_Error_Description(FT_Error error)
-{
-  int i = 1;
-  while (ft_errors[i].err_code != 0)
-  {
-    if (ft_errors[i].err_code == error)
-      break;
-    else
-      ++i;
-  }
-  return ft_errors[i].err_msg;
-}
-
-void CheckError(FT_Error error, char const * msg)
-{
-  if (error != 0)
-  {
-    if (msg == 0) msg = "";
-    LOG(LWARNING, ("FT_Error:", FT_Error_Description(error), msg));
-  }
-}
-
-}

graphics/ft2_debug.hpp

@@ -1,22 +0,0 @@
-#pragma once
-
-#include <ft2build.h>
-#include <freetype/ftgzip.h>
-#include <freetype/ftcache.h>
-
-#include "../base/logging.hpp"
-
-#include FT_FREETYPE_H
-#include FT_STROKER_H
-#include FT_GLYPH_H
-
-namespace ft2_impl
-{
-  void CheckError(FT_Error error, char const * msg = 0);
-}
-
-#define FTCHECK(x) do { FT_Error e = (x); ft2_impl::CheckError(e); } while (false)
-#define FTCHECKRETURN(x, msg)                             \
-  do { FT_Error e = (x);                                  \
-  if (e != 0) { ft2_impl::CheckError(e, msg); return; } } \
-  while (false)

graphics/glyph_cache_impl.cpp

@@ -1,4 +1,5 @@
 #include "glyph_cache_impl.hpp"
+#include "freetype.hpp"
 
 #include "../platform/platform.hpp"
 
@@ -248,7 +249,7 @@ namespace graphics
     // from routine, so add font to fonts array only in the end.
 
     FT_Face face;
-    FTCHECKRETURN(pFont->CreateFaceID(m_lib, &face), fileName);
+    FREETYPE_CHECK_RETURN(pFont->CreateFaceID(m_lib, &face), fileName);
 
     vector<FT_ULong> charcodes;
 
@@ -260,7 +261,7 @@ namespace graphics
     sort(charcodes.begin(), charcodes.end());
     charcodes.erase(unique(charcodes.begin(), charcodes.end()), charcodes.end());
 
-    FTCHECKRETURN(FT_Done_Face(face), fileName);
+    FREETYPE_CHECK_RETURN(FT_Done_Face(face), fileName);
 
     m_fonts.push_back(pFont);
 
@@ -419,22 +420,22 @@ namespace graphics
 
     if (!m_isDebugging)
     {
-      FTCHECK(FT_Init_FreeType(&m_lib));
+      FREETYPE_CHECK(FT_Init_FreeType(&m_lib));
 
       /// Initializing caches
-      FTCHECK(FTC_Manager_New(m_lib, 3, 10, params.m_maxSize, &RequestFace, 0, &m_manager));
+      FREETYPE_CHECK(FTC_Manager_New(m_lib, 3, 10, params.m_maxSize, &RequestFace, 0, &m_manager));
 
-      FTCHECK(FTC_ImageCache_New(m_manager, &m_normalGlyphCache));
-      FTCHECK(FTC_StrokedImageCache_New(m_manager, &m_strokedGlyphCache));
+      FREETYPE_CHECK(FTC_ImageCache_New(m_manager, &m_normalGlyphCache));
+      FREETYPE_CHECK(FTC_StrokedImageCache_New(m_manager, &m_strokedGlyphCache));
 
-      FTCHECK(FTC_ImageCache_New(m_manager, &m_normalMetricsCache));
-      FTCHECK(FTC_StrokedImageCache_New(m_manager, &m_strokedMetricsCache));
+      FREETYPE_CHECK(FTC_ImageCache_New(m_manager, &m_normalMetricsCache));
+      FREETYPE_CHECK(FTC_StrokedImageCache_New(m_manager, &m_strokedMetricsCache));
 
       /// Initializing stroker
-      FTCHECK(FT_Stroker_New(m_lib, &m_stroker));
+      FREETYPE_CHECK(FT_Stroker_New(m_lib, &m_stroker));
       FT_Stroker_Set(m_stroker, FT_Fixed(graphics::visualScale(params.m_density) * 2 * 64), FT_STROKER_LINECAP_ROUND, FT_STROKER_LINEJOIN_ROUND, 0);
 
-      FTCHECK(FTC_CMapCache_New(m_manager, &m_charMapCache));
+      FREETYPE_CHECK(FTC_CMapCache_New(m_manager, &m_charMapCache));
     }
     else
     {
@@ -527,7 +528,7 @@ namespace graphics
 
     if (key.m_isMask)
     {
-      FTCHECK(FTC_StrokedImageCache_LookupScaler(
+      FREETYPE_CHECK(FTC_StrokedImageCache_LookupScaler(
           m_strokedMetricsCache,
           &fontScaler,
           m_stroker,
@@ -538,7 +539,7 @@ namespace graphics
     }
     else
     {
-      FTCHECK(FTC_ImageCache_LookupScaler(
+      FREETYPE_CHECK(FTC_ImageCache_LookupScaler(
         m_normalMetricsCache,
         &fontScaler,
         FT_LOAD_DEFAULT,
@@ -580,7 +581,7 @@ namespace graphics
 
     if (key.m_isMask)
     {
-      FTCHECK(FTC_StrokedImageCache_LookupScaler(
+      FREETYPE_CHECK(FTC_StrokedImageCache_LookupScaler(
           m_strokedGlyphCache,
           &fontScaler,
           m_stroker,
@@ -592,7 +593,7 @@ namespace graphics
     }
     else
     {
-      FTCHECK(FTC_ImageCache_LookupScaler(
+      FREETYPE_CHECK(FTC_ImageCache_LookupScaler(
           m_normalGlyphCache,
           &fontScaler,
           FT_LOAD_DEFAULT | FT_LOAD_RENDER,
@@ -610,7 +611,7 @@ namespace graphics
     bitmap->m_height = bitmapGlyph ? bitmapGlyph->bitmap.rows : 0;
     bitmap->m_pitch = bitmapGlyph ? bitmapGlyph->bitmap.pitch : 0;
 
-    if (bitmap->m_width * bitmap->m_height != 0)
+    if (bitmap->m_width && bitmap->m_height)
     {
       bitmap->m_data.resize(bitmap->m_pitch * bitmap->m_height);
       memcpy(&bitmap->m_data[0],

graphics/glyph_cache_impl.hpp

@@ -1,7 +1,7 @@
 #pragma once
 
 #include "glyph_cache.hpp"
-#include "ft2_debug.hpp"
+#include "freetype.hpp"
 
 #include "../base/string_utils.hpp"
 
@@ -11,7 +11,6 @@
 #include "../std/vector.hpp"
 #include "../std/shared_ptr.hpp"
 
-#include <freetype/ftsystem.h>
 
 namespace graphics
 {

graphics/graphics.pro

@@ -39,8 +39,8 @@ SOURCES += \
     skin_loader.cpp \
     resource_cache.cpp \
     glyph_cache.cpp \
+    freetype.cpp \
     glyph_cache_impl.cpp \
-    ft2_debug.cpp \
     geometry_batcher.cpp \
     text_renderer.cpp \
     path_renderer.cpp \
@@ -108,7 +108,7 @@ HEADERS += \
     glyph_cache.hpp \
     data_formats.hpp \
     glyph_cache_impl.hpp \
-    ft2_debug.hpp \
+    freetype.hpp \
     text_renderer.hpp \
     geometry_batcher.hpp \
     screen.hpp \