ref: 6bea49e026ce8a103de2b3c232042458b8f309eb
parent: 73840852016dc69bcf44373ef8ffae0238fead26
author: Alexei Podtelezhnikov <[email protected]>
date: Sat Oct 14 18:45:11 EDT 2017
[base] Netpbm image tracing. * src/base/ftobjs.c (FT_Load_Glyph): Trace bitmap size. (FT_Render_Glyph_Internal): Trace bitmap in Netpbm format. * src/smooth/ftgrays.c (gray_sweep): Sweep remnants of span tracing.
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,14 @@
2017-10-14 Alexei Podtelezhnikov <[email protected]>
+ [base] Netpbm image tracing.
+
+ * src/base/ftobjs.c (FT_Load_Glyph): Trace bitmap size.
+ (FT_Render_Glyph_Internal): Trace bitmap in Netpbm format.
+
+ * src/smooth/ftgrays.c (gray_sweep): Sweep remnants of span tracing.
+
+2017-10-14 Alexei Podtelezhnikov <[email protected]>
+
* builds/windows/ftdebug.c (FT_Message): Print to stderr.
* builds/wince/ftdebug.c (FT_Message): Ditto.
--- a/src/base/ftobjs.c
+++ b/src/base/ftobjs.c
@@ -1004,6 +1004,10 @@
ft_glyphslot_preset_bitmap( slot, mode, NULL );
}
+ FT_TRACE5(( " bitmap pixel_mode: %d\n" , slot->bitmap.pixel_mode ));
+ FT_TRACE5(( " bitmap dimensions: %dx%d\n" , slot->bitmap.width,
+ slot->bitmap.rows ));
+
Exit:
return error;
}
@@ -4581,6 +4585,51 @@
FT_Bitmap_Done( library, &bitmap );
}
+ }
+
+ /*
+ * Dump bitmap in Netpbm format (PBM or PGM).
+ */
+
+ /* we use FT_TRACE2 in this block */
+ if ( ft_trace_levels[trace_bitmap] >= 2 &&
+ !error &&
+ slot->bitmap.rows < 128U &&
+ slot->bitmap.width < 128U )
+ {+ int rows = (int)slot->bitmap.rows;
+ int width = (int)slot->bitmap.width;
+ int pitch = slot->bitmap.pitch;
+ int i, j, m;
+ unsigned char* topleft = slot->bitmap.buffer;
+
+ if ( pitch < 0 )
+ topleft -= pitch * ( rows - 1 );
+
+ FT_TRACE2(( "Netpbm image: start\n" ));
+ switch ( slot->bitmap.pixel_mode )
+ {+ case FT_PIXEL_MODE_MONO:
+ FT_TRACE2(( "P1 %d %d\n", width, rows ));
+ for ( i = 0; i < rows; i++ )
+ {+ for ( j = 0; j < width; )
+ for ( m = 128; m > 0 && j < width; m >>= 1, j++ )
+ FT_TRACE2(( " %d", ( topleft[i * pitch + j / 8] & m ) != 0 ));
+ FT_TRACE2(( "\n" ));
+ }
+ break;
+
+ default:
+ FT_TRACE2(( "P2 %d %d 255\n", width, rows ));
+ for ( i = 0; i < rows; i++ )
+ {+ for ( j = 0; j < width; j += 1 )
+ FT_TRACE2(( " %3u", topleft[i * pitch + j] ));
+ FT_TRACE2(( "\n" ));
+ }
+ }
+ FT_TRACE2(( "Netpbm image: end\n" ));
}
#undef FT_COMPONENT
--- a/src/smooth/ftgrays.c
+++ b/src/smooth/ftgrays.c
@@ -1300,8 +1300,6 @@
int y;
- FT_TRACE7(( "gray_sweep: start\n" ));
-
for ( y = ras.min_ey; y < ras.max_ey; y++ )
{PCell cell = ras.ycells[y - ras.min_ey];
@@ -1327,8 +1325,6 @@
if ( cover != 0 )
gray_hline( RAS_VAR_ x, y, cover, ras.max_ex - x );
}
-
- FT_TRACE7(( "gray_sweep: end\n" ));
}