--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mozilla-cairo-lcd.patch Mon Aug 02 08:49:38 2010 +0200
@@ -0,0 +1,1296 @@
+# HG changeset patch
+# Parent 863b8585016fffd4755445eca723011717f4b930
+Subject: Add a Cairo LCD filter to use FreeType LCD colour filtering features
+References:
+https://bugzilla.mozilla.org/show_bug.cgi?id=404637
+http://bugs.freedesktop.org/show_bug.cgi?id=10301
+
+diff --git a/config/system-headers b/config/system-headers
+--- a/config/system-headers
++++ b/config/system-headers
+@@ -262,16 +262,17 @@ Font.h
+ Fonts.h
+ fp.h
+ fpieee.h
+ frame/log.h
+ frame/req.h
+ freetype/freetype.h
+ freetype/ftcache.h
+ freetype/ftglyph.h
++freetype/ftlcdfil.h
+ freetype/ftsynth.h
+ freetype/ftoutln.h
+ freetype/ttnameid.h
+ freetype/tttables.h
+ freetype/t1tables.h
+ fribidi/fribidi.h
+ FSp_fopen.h
+ fstream.h
+diff --git a/gfx/cairo/cairo/src/cairo-font-options.c b/gfx/cairo/cairo/src/cairo-font-options.c
+--- a/gfx/cairo/cairo/src/cairo-font-options.c
++++ b/gfx/cairo/cairo/src/cairo-font-options.c
+@@ -34,41 +34,44 @@
+ * Owen Taylor <otaylor@redhat.com>
+ */
+
+ #include "cairoint.h"
+
+ static const cairo_font_options_t _cairo_font_options_nil = {
+ CAIRO_ANTIALIAS_DEFAULT,
+ CAIRO_SUBPIXEL_ORDER_DEFAULT,
++ CAIRO_LCD_FILTER_DEFAULT,
+ CAIRO_HINT_STYLE_DEFAULT,
+ CAIRO_HINT_METRICS_DEFAULT
+ };
+
+ /**
+ * _cairo_font_options_init_default:
+ * @options: a #cairo_font_options_t
+ *
+ * Initializes all fields of the font options object to default values.
+ **/
+ void
+ _cairo_font_options_init_default (cairo_font_options_t *options)
+ {
+ options->antialias = CAIRO_ANTIALIAS_DEFAULT;
+ options->subpixel_order = CAIRO_SUBPIXEL_ORDER_DEFAULT;
++ options->lcd_filter = CAIRO_LCD_FILTER_DEFAULT;
+ options->hint_style = CAIRO_HINT_STYLE_DEFAULT;
+ options->hint_metrics = CAIRO_HINT_METRICS_DEFAULT;
+ }
+
+ void
+ _cairo_font_options_init_copy (cairo_font_options_t *options,
+ const cairo_font_options_t *other)
+ {
+ options->antialias = other->antialias;
+ options->subpixel_order = other->subpixel_order;
++ options->lcd_filter = other->lcd_filter;
+ options->hint_style = other->hint_style;
+ options->hint_metrics = other->hint_metrics;
+ }
+
+ /**
+ * cairo_font_options_create:
+ *
+ * Allocates a new font options object with all options initialized
+@@ -184,16 +187,18 @@ cairo_font_options_merge (cairo_font_opt
+
+ if (cairo_font_options_status ((cairo_font_options_t *) other))
+ return;
+
+ if (other->antialias != CAIRO_ANTIALIAS_DEFAULT)
+ options->antialias = other->antialias;
+ if (other->subpixel_order != CAIRO_SUBPIXEL_ORDER_DEFAULT)
+ options->subpixel_order = other->subpixel_order;
++ if (other->lcd_filter != CAIRO_LCD_FILTER_DEFAULT)
++ options->lcd_filter = other->lcd_filter;
+ if (other->hint_style != CAIRO_HINT_STYLE_DEFAULT)
+ options->hint_style = other->hint_style;
+ if (other->hint_metrics != CAIRO_HINT_METRICS_DEFAULT)
+ options->hint_metrics = other->hint_metrics;
+ }
+ slim_hidden_def (cairo_font_options_merge);
+
+ /**
+@@ -216,16 +221,17 @@ cairo_font_options_equal (const cairo_fo
+ if (cairo_font_options_status ((cairo_font_options_t *) other))
+ return FALSE;
+
+ if (options == other)
+ return TRUE;
+
+ return (options->antialias == other->antialias &&
+ options->subpixel_order == other->subpixel_order &&
++ options->lcd_filter == other->lcd_filter &&
+ options->hint_style == other->hint_style &&
+ options->hint_metrics == other->hint_metrics);
+ }
+ slim_hidden_def (cairo_font_options_equal);
+
+ /**
+ * cairo_font_options_hash:
+ * @options: a #cairo_font_options_t
+@@ -241,17 +247,18 @@ slim_hidden_def (cairo_font_options_equa
+ unsigned long
+ cairo_font_options_hash (const cairo_font_options_t *options)
+ {
+ if (cairo_font_options_status ((cairo_font_options_t *) options))
+ options = &_cairo_font_options_nil; /* force default values */
+
+ return ((options->antialias) |
+ (options->subpixel_order << 4) |
+- (options->hint_style << 8) |
++ (options->lcd_filter << 8) |
++ (options->hint_style << 12) |
+ (options->hint_metrics << 16));
+ }
+ slim_hidden_def (cairo_font_options_hash);
+
+ /**
+ * cairo_font_options_set_antialias:
+ * @options: a #cairo_font_options_t
+ * @antialias: the new antialiasing mode
+@@ -323,16 +330,58 @@ cairo_font_options_get_subpixel_order (c
+ {
+ if (cairo_font_options_status ((cairo_font_options_t *) options))
+ return CAIRO_SUBPIXEL_ORDER_DEFAULT;
+
+ return options->subpixel_order;
+ }
+
+ /**
++ * _cairo_font_options_set_lcd_filter:
++ * @options: a #cairo_font_options_t
++ * @lcd_filter: the new LCD filter
++ *
++ * Sets the LCD filter for the font options object. The LCD filter
++ * specifies how pixels are filtered when rendered with an antialiasing
++ * mode of %CAIRO_ANTIALIAS_SUBPIXEL. See the documentation for
++ * #cairo_lcd_filter_t for full details.
++ *
++ * Since: 1.8
++ **/
++void
++_cairo_font_options_set_lcd_filter (cairo_font_options_t *options,
++ cairo_lcd_filter_t lcd_filter)
++{
++ if (cairo_font_options_status (options))
++ return;
++
++ options->lcd_filter = lcd_filter;
++}
++
++/**
++ * _cairo_font_options_get_lcd_filter:
++ * @options: a #cairo_font_options_t
++ *
++ * Gets the LCD filter for the font options object.
++ * See the documentation for #cairo_lcd_filter_t for full details.
++ *
++ * Return value: the LCD filter for the font options object
++ *
++ * Since: 1.8
++ **/
++cairo_lcd_filter_t
++_cairo_font_options_get_lcd_filter (const cairo_font_options_t *options)
++{
++ if (cairo_font_options_status ((cairo_font_options_t *) options))
++ return CAIRO_LCD_FILTER_DEFAULT;
++
++ return options->lcd_filter;
++}
++
++/**
+ * cairo_font_options_set_hint_style:
+ * @options: a #cairo_font_options_t
+ * @hint_style: the new hint style
+ *
+ * Sets the hint style for font outlines for the font options object.
+ * This controls whether to fit font outlines to the pixel grid,
+ * and if so, whether to optimize for fidelity or contrast.
+ * See the documentation for #cairo_hint_style_t for full details.
+diff --git a/gfx/cairo/cairo/src/cairo-ft-font.c b/gfx/cairo/cairo/src/cairo-ft-font.c
+--- a/gfx/cairo/cairo/src/cairo-ft-font.c
++++ b/gfx/cairo/cairo/src/cairo-ft-font.c
+@@ -54,16 +54,38 @@
+ #include FT_FREETYPE_H
+ #include FT_OUTLINE_H
+ #include FT_IMAGE_H
+ #include FT_TRUETYPE_TABLES_H
+ #if HAVE_FT_GLYPHSLOT_EMBOLDEN
+ #include FT_SYNTHESIS_H
+ #endif
+
++#include FT_LCD_FILTER_H
++
++/* Fontconfig version older than 2.6 didn't have these options */
++#ifndef FC_LCD_FILTER
++#define FC_LCD_FILTER "lcdfilter"
++#endif
++/* Some Ubuntu versions defined FC_LCD_FILTER without defining the following */
++#ifndef FC_LCD_NONE
++#define FC_LCD_NONE 0
++#define FC_LCD_DEFAULT 1
++#define FC_LCD_LIGHT 2
++#define FC_LCD_LEGACY 3
++#endif
++
++/* FreeType version older than 2.3.5(?) didn't have these options */
++#ifndef FT_LCD_FILTER_NONE
++#define FT_LCD_FILTER_NONE 0
++#define FT_LCD_FILTER_DEFAULT 1
++#define FT_LCD_FILTER_LIGHT 2
++#define FT_LCD_FILTER_LEGACY 16
++#endif
++
+ #define DOUBLE_TO_26_6(d) ((FT_F26Dot6)((d) * 64.0))
+ #define DOUBLE_FROM_26_6(t) ((double)(t) / 64.0)
+ #define DOUBLE_TO_16_16(d) ((FT_Fixed)((d) * 65536.0))
+ #define DOUBLE_FROM_16_16(t) ((double)(t) / 65536.0)
+
+ /* This is the max number of FT_face objects we keep open at once
+ */
+ #define MAX_OPEN_FACES 10
+@@ -772,46 +794,309 @@ _cairo_ft_unscaled_font_set_scale (cairo
+ unscaled->face->available_sizes[best_i].height);
+ if (error)
+ return _cairo_error (CAIRO_STATUS_NO_MEMORY);
+ }
+
+ return CAIRO_STATUS_SUCCESS;
+ }
+
+-/* Empirically-derived subpixel filtering values thanks to Keith
+- * Packard and libXft. */
+-static const int filters[3][3] = {
+- /* red */
+-#if 0
+- { 65538*4/7,65538*2/7,65538*1/7 },
+- /* green */
+- { 65536*1/4, 65536*2/4, 65537*1/4 },
+- /* blue */
+- { 65538*1/7,65538*2/7,65538*4/7 },
++/* we sometimes need to convert the glyph bitmap in a FT_GlyphSlot
++ * into a different format. For example, we want to convert a
++ * FT_PIXEL_MODE_LCD or FT_PIXEL_MODE_LCD_V bitmap into a 32-bit
++ * ARGB or ABGR bitmap.
++ *
++ * this function prepares a target descriptor for this operation.
++ *
++ * input :: target bitmap descriptor. The function will set its
++ * 'width', 'rows' and 'pitch' fields, and only these
++ *
++ * slot :: the glyph slot containing the source bitmap. this
++ * function assumes that slot->format == FT_GLYPH_FORMAT_BITMAP
++ *
++ * mode :: the requested final rendering mode. supported values are
++ * MONO, NORMAL (i.e. gray), LCD and LCD_V
++ *
++ * the function returns the size in bytes of the corresponding buffer,
++ * it's up to the caller to allocate the corresponding memory block
++ * before calling _fill_xrender_bitmap
++ *
++ * it also returns -1 in case of error (e.g. incompatible arguments,
++ * like trying to convert a gray bitmap into a monochrome one)
++ */
++static int
++_compute_xrender_bitmap_size(FT_Bitmap *target,
++ FT_GlyphSlot slot,
++ FT_Render_Mode mode)
++{
++ FT_Bitmap *ftbit;
++ int width, height, pitch;
++
++ if (slot->format != FT_GLYPH_FORMAT_BITMAP)
++ return -1;
++
++ /* compute the size of the final bitmap */
++ ftbit = &slot->bitmap;
++
++ width = ftbit->width;
++ height = ftbit->rows;
++ pitch = (width + 3) & ~3;
++
++ switch (ftbit->pixel_mode) {
++ case FT_PIXEL_MODE_MONO:
++ if (mode == FT_RENDER_MODE_MONO) {
++ pitch = (((width + 31) & ~31) >> 3);
++ break;
++ }
++ /* fall-through */
++
++ case FT_PIXEL_MODE_GRAY:
++ if (mode == FT_RENDER_MODE_LCD ||
++ mode == FT_RENDER_MODE_LCD_V)
++ {
++ /* each pixel is replicated into a 32-bit ARGB value */
++ pitch = width * 4;
++ }
++ break;
++
++ case FT_PIXEL_MODE_LCD:
++ if (mode != FT_RENDER_MODE_LCD)
++ return -1;
++
++ /* horz pixel triplets are packed into 32-bit ARGB values */
++ width /= 3;
++ pitch = width * 4;
++ break;
++
++ case FT_PIXEL_MODE_LCD_V:
++ if (mode != FT_RENDER_MODE_LCD_V)
++ return -1;
++
++ /* vert pixel triplets are packed into 32-bit ARGB values */
++ height /= 3;
++ pitch = width * 4;
++ break;
++
++ default: /* unsupported source format */
++ return -1;
++ }
++
++ target->width = width;
++ target->rows = height;
++ target->pitch = pitch;
++ target->buffer = NULL;
++
++ return pitch * height;
++}
++
++/* this functions converts the glyph bitmap found in a FT_GlyphSlot
++ * into a different format (see _compute_xrender_bitmap_size)
++ *
++ * you should call this function after _compute_xrender_bitmap_size
++ *
++ * target :: target bitmap descriptor. Note that its 'buffer' pointer
++ * must point to memory allocated by the caller
++ *
++ * slot :: the glyph slot containing the source bitmap
++ *
++ * mode :: the requested final rendering mode
++ *
++ * bgr :: boolean, set if BGR or VBGR pixel ordering is needed
++ */
++static void
++_fill_xrender_bitmap(FT_Bitmap *target,
++ FT_GlyphSlot slot,
++ FT_Render_Mode mode,
++ int bgr)
++{
++ FT_Bitmap *ftbit = &slot->bitmap;
++ unsigned char *srcLine = ftbit->buffer;
++ unsigned char *dstLine = target->buffer;
++ int src_pitch = ftbit->pitch;
++ int width = target->width;
++ int height = target->rows;
++ int pitch = target->pitch;
++ int subpixel;
++ int h;
++
++ subpixel = (mode == FT_RENDER_MODE_LCD ||
++ mode == FT_RENDER_MODE_LCD_V);
++
++ if (src_pitch < 0)
++ srcLine -= src_pitch * (ftbit->rows - 1);
++
++ target->pixel_mode = ftbit->pixel_mode;
++
++ switch (ftbit->pixel_mode) {
++ case FT_PIXEL_MODE_MONO:
++ if (subpixel) {
++ /* convert mono to ARGB32 values */
++
++ for (h = height; h > 0; h--, srcLine += src_pitch, dstLine += pitch) {
++ int x;
++
++ for (x = 0; x < width; x++) {
++ if (srcLine[(x >> 3)] & (0x80 >> (x & 7)))
++ ((unsigned int *) dstLine)[x] = 0xffffffffU;
++ }
++ }
++ target->pixel_mode = FT_PIXEL_MODE_LCD;
++
++ } else if (mode == FT_RENDER_MODE_NORMAL) {
++ /* convert mono to 8-bit gray */
++
++ for (h = height; h > 0; h--, srcLine += src_pitch, dstLine += pitch) {
++ int x;
++
++ for (x = 0; x < width; x++) {
++ if (srcLine[(x >> 3)] & (0x80 >> (x & 7)))
++ dstLine[x] = 0xff;
++ }
++ }
++ target->pixel_mode = FT_PIXEL_MODE_GRAY;
++
++ } else {
++ /* copy mono to mono */
++
++ int bytes = (width + 7) >> 3;
++
++ for (h = height; h > 0; h--, srcLine += src_pitch, dstLine += pitch)
++ memcpy (dstLine, srcLine, bytes);
++ }
++ break;
++
++ case FT_PIXEL_MODE_GRAY:
++ if (subpixel) {
++ /* convert gray to ARGB32 values */
++
++ for (h = height; h > 0; h--, srcLine += src_pitch, dstLine += pitch) {
++ int x;
++ unsigned int *dst = (unsigned int *) dstLine;
++
++ for (x = 0; x < width; x++) {
++ unsigned int pix = srcLine[x];
++
++ pix |= (pix << 8);
++ pix |= (pix << 16);
++
++ dst[x] = pix;
++ }
++ }
++ target->pixel_mode = FT_PIXEL_MODE_LCD;
++ } else {
++ /* copy gray into gray */
++
++ for (h = height; h > 0; h--, srcLine += src_pitch, dstLine += pitch)
++ memcpy (dstLine, srcLine, width);
++ }
++ break;
++
++ case FT_PIXEL_MODE_LCD:
++ if (!bgr) {
++ /* convert horizontal RGB into ARGB32 */
++
++ for (h = height; h > 0; h--, srcLine += src_pitch, dstLine += pitch) {
++ int x;
++ unsigned char *src = srcLine;
++ unsigned int *dst = (unsigned int *) dstLine;
++
++ for (x = 0; x < width; x++, src += 3) {
++ unsigned int pix;
++
++ pix = ((unsigned int)src[0] << 16) |
++ ((unsigned int)src[1] << 8) |
++ ((unsigned int)src[2] ) |
++ ((unsigned int)src[1] << 24) ;
++
++ dst[x] = pix;
++ }
++ }
++ } else {
++ /* convert horizontal BGR into ARGB32 */
++
++ for (h = height; h > 0; h--, srcLine += src_pitch, dstLine += pitch) {
++
++ int x;
++ unsigned char *src = srcLine;
++ unsigned int *dst = (unsigned int *) dstLine;
++
++ for (x = 0; x < width; x++, src += 3) {
++ unsigned int pix;
++
++ pix = ((unsigned int)src[2] << 16) |
++ ((unsigned int)src[1] << 8) |
++ ((unsigned int)src[0] ) |
++ ((unsigned int)src[1] << 24) ;
++
++ dst[x] = pix;
++ }
++ }
++ }
++ break;
++
++ default: /* FT_PIXEL_MODE_LCD_V */
++ /* convert vertical RGB into ARGB32 */
++ if (!bgr) {
++
++ for (h = height; h > 0; h--, srcLine += 3 * src_pitch, dstLine += pitch) {
++ int x;
++ unsigned char* src = srcLine;
++ unsigned int* dst = (unsigned int *) dstLine;
++
++ for (x = 0; x < width; x++, src += 1) {
++ unsigned int pix;
++#if 1
++ pix = ((unsigned int)src[0] << 16) |
++ ((unsigned int)src[src_pitch] << 8) |
++ ((unsigned int)src[src_pitch*2] ) |
++ 0xFF000000 ;
++#else
++ pix = ((unsigned int)src[0] << 16) |
++ ((unsigned int)src[src_pitch] << 8) |
++ ((unsigned int)src[src_pitch*2] ) |
++ ((unsigned int)src[src_pitch] << 24) ;
+ #endif
+- { 65538*9/13,65538*3/13,65538*1/13 },
+- /* green */
+- { 65538*1/6, 65538*4/6, 65538*1/6 },
+- /* blue */
+- { 65538*1/13,65538*3/13,65538*9/13 },
+-};
++ dst[x] = pix;
++ }
++ }
++ } else {
++
++ for (h = height; h > 0; h--, srcLine += 3*src_pitch, dstLine += pitch) {
++ int x;
++ unsigned char *src = srcLine;
++ unsigned int *dst = (unsigned int *) dstLine;
++
++ for (x = 0; x < width; x++, src += 1) {
++ unsigned int pix;
++
++ pix = ((unsigned int)src[src_pitch * 2] << 16) |
++ ((unsigned int)src[src_pitch] << 8) |
++ ((unsigned int)src[0] ) |
++ ((unsigned int)src[src_pitch] << 24) ;
++
++ dst[x] = pix;
++ }
++ }
++ }
++ }
++}
++
+
+ /* Fills in val->image with an image surface created from @bitmap
+ */
+ static cairo_status_t
+ _get_bitmap_surface (FT_Bitmap *bitmap,
+ cairo_bool_t own_buffer,
+ cairo_font_options_t *font_options,
+ cairo_image_surface_t **surface)
+ {
+ int width, height, stride;
+ unsigned char *data;
+ int format = CAIRO_FORMAT_A8;
+- cairo_bool_t subpixel = FALSE;
++ cairo_image_surface_t *image;
+
+ width = bitmap->width;
+ height = bitmap->rows;
+
+ if (width == 0 || height == 0) {
+ *surface = (cairo_image_surface_t *)
+ cairo_image_surface_create_for_data (NULL, format, 0, 0, 0);
+ return (*surface)->base.status;
+@@ -858,154 +1143,63 @@ _get_bitmap_surface (FT_Bitmap *bi
+ }
+ #endif
+ format = CAIRO_FORMAT_A1;
+ break;
+
+ case FT_PIXEL_MODE_LCD:
+ case FT_PIXEL_MODE_LCD_V:
+ case FT_PIXEL_MODE_GRAY:
+- switch (font_options->antialias) {
+- case CAIRO_ANTIALIAS_DEFAULT:
+- case CAIRO_ANTIALIAS_GRAY:
+- case CAIRO_ANTIALIAS_NONE:
+- default:
++ if (font_options->antialias != CAIRO_ANTIALIAS_SUBPIXEL) {
+ stride = bitmap->pitch;
+ if (own_buffer) {
+ data = bitmap->buffer;
+ } else {
+ data = _cairo_malloc_ab (height, stride);
+ if (!data)
+ return _cairo_error (CAIRO_STATUS_NO_MEMORY);
+
+ memcpy (data, bitmap->buffer, stride * height);
+ }
+ format = CAIRO_FORMAT_A8;
+- break;
+- case CAIRO_ANTIALIAS_SUBPIXEL: {
+- int x, y;
+- unsigned char *in_line, *out_line, *in;
+- unsigned int *out;
+- unsigned int red, green, blue;
+- int rf, gf, bf;
+- int s;
+- int o, os;
+- unsigned char *data_rgba;
+- unsigned int width_rgba, stride_rgba;
+- int vmul = 1;
+- int hmul = 1;
+-
+- switch (font_options->subpixel_order) {
+- case CAIRO_SUBPIXEL_ORDER_DEFAULT:
+- case CAIRO_SUBPIXEL_ORDER_RGB:
+- case CAIRO_SUBPIXEL_ORDER_BGR:
+- default:
+- width /= 3;
+- hmul = 3;
+- break;
+- case CAIRO_SUBPIXEL_ORDER_VRGB:
+- case CAIRO_SUBPIXEL_ORDER_VBGR:
+- vmul = 3;
+- height /= 3;
+- break;
+- }
+- /*
+- * Filter the glyph to soften the color fringes
+- */
+- width_rgba = width;
++ } else {
++ /* if we get there, the data from the source bitmap
++ * really comes from _fill_xrender_bitmap, and is
++ * made of 32-bit ARGB or ABGR values */
++ assert (own_buffer != 0);
++ assert (bitmap->pixel_mode != FT_PIXEL_MODE_GRAY);
++
++ data = bitmap->buffer;
+ stride = bitmap->pitch;
+- stride_rgba = (width_rgba * 4 + 3) & ~3;
+- data_rgba = calloc (stride_rgba, height);
+- if (unlikely (data_rgba == NULL)) {
+- if (own_buffer)
+- free (bitmap->buffer);
+- return _cairo_error (CAIRO_STATUS_NO_MEMORY);
+- }
+-
+- os = 1;
+- switch (font_options->subpixel_order) {
+- case CAIRO_SUBPIXEL_ORDER_VRGB:
+- os = stride;
+- case CAIRO_SUBPIXEL_ORDER_DEFAULT:
+- case CAIRO_SUBPIXEL_ORDER_RGB:
+- default:
+- rf = 0;
+- gf = 1;
+- bf = 2;
+- break;
+- case CAIRO_SUBPIXEL_ORDER_VBGR:
+- os = stride;
+- case CAIRO_SUBPIXEL_ORDER_BGR:
+- bf = 0;
+- gf = 1;
+- rf = 2;
+- break;
+- }
+- in_line = bitmap->buffer;
+- out_line = data_rgba;
+- for (y = 0; y < height; y++)
+- {
+- in = in_line;
+- out = (unsigned int *) out_line;
+- in_line += stride * vmul;
+- out_line += stride_rgba;
+- for (x = 0; x < width * hmul; x += hmul)
+- {
+- red = green = blue = 0;
+- o = 0;
+- for (s = 0; s < 3; s++)
+- {
+- red += filters[rf][s]*in[x+o];
+- green += filters[gf][s]*in[x+o];
+- blue += filters[bf][s]*in[x+o];
+- o += os;
+- }
+- red = red / 65536;
+- green = green / 65536;
+- blue = blue / 65536;
+- *out++ = (green << 24) | (red << 16) | (green << 8) | blue;
+- }
+- }
+-
+- /* Images here are stored in native format. The
+- * backend must convert to its own format as needed
+- */
+-
+- if (own_buffer)
+- free (bitmap->buffer);
+- data = data_rgba;
+- stride = stride_rgba;
+ format = CAIRO_FORMAT_ARGB32;
+- subpixel = TRUE;
+- break;
+- }
+ }
+ break;
+ case FT_PIXEL_MODE_GRAY2:
+ case FT_PIXEL_MODE_GRAY4:
+ /* These could be triggered by very rare types of TrueType fonts */
+ default:
+ if (own_buffer)
+ free (bitmap->buffer);
+ return _cairo_error (CAIRO_STATUS_NO_MEMORY);
+ }
+
+- *surface = (cairo_image_surface_t *)
++ /* XXX */
++ *surface = image = (cairo_image_surface_t *)
+ cairo_image_surface_create_for_data (data,
+ format,
+ width, height, stride);
+- if ((*surface)->base.status) {
++ if (image->base.status) {
+ free (data);
+ return (*surface)->base.status;
+ }
+
+- if (subpixel)
+- pixman_image_set_component_alpha ((*surface)->pixman_image, TRUE);
+-
+- _cairo_image_surface_assume_ownership_of_data ((*surface));
++ if (font_options->antialias == CAIRO_ANTIALIAS_SUBPIXEL)
++ pixman_image_set_component_alpha (image->pixman_image, TRUE);
++
++ _cairo_image_surface_assume_ownership_of_data (image);
+
+ _cairo_debug_check_image_surface_is_defined (&(*surface)->base);
+
+ return CAIRO_STATUS_SUCCESS;
+ }
+
+ /* Converts an outline FT_GlyphSlot into an image
+ *
+@@ -1022,129 +1216,169 @@ _get_bitmap_surface (FT_Bitmap *bi
+ * when we add subpixel support. If so, we may want to eliminate
+ * this version of the code path entirely.
+ */
+ static cairo_status_t
+ _render_glyph_outline (FT_Face face,
+ cairo_font_options_t *font_options,
+ cairo_image_surface_t **surface)
+ {
++ int rgba = FC_RGBA_UNKNOWN;
++ int lcd_filter = FT_LCD_FILTER_LEGACY;
+ FT_GlyphSlot glyphslot = face->glyph;
+ FT_Outline *outline = &glyphslot->outline;
+ FT_Bitmap bitmap;
+ FT_BBox cbox;
+- FT_Matrix matrix;
+- int hmul = 1;
+- int vmul = 1;
+- unsigned int width, height, stride;
+- cairo_bool_t subpixel = FALSE;
++ unsigned int width, height;
+ cairo_status_t status;
++ FT_Error fterror;
++ FT_Library library = glyphslot->library;
++ FT_Render_Mode render_mode = FT_RENDER_MODE_NORMAL;
++
++ switch (font_options->antialias) {
++ case CAIRO_ANTIALIAS_NONE:
++ render_mode = FT_RENDER_MODE_MONO;
++ break;
++
++ case CAIRO_ANTIALIAS_SUBPIXEL:
++ switch (font_options->subpixel_order) {
++ case CAIRO_SUBPIXEL_ORDER_DEFAULT:
++ case CAIRO_SUBPIXEL_ORDER_RGB:
++ case CAIRO_SUBPIXEL_ORDER_BGR:
++ render_mode = FT_RENDER_MODE_LCD;
++ break;
++
++ case CAIRO_SUBPIXEL_ORDER_VRGB:
++ case CAIRO_SUBPIXEL_ORDER_VBGR:
++ render_mode = FT_RENDER_MODE_LCD_V;
++ break;
++ }
++
++ switch (font_options->lcd_filter) {
++ case CAIRO_LCD_FILTER_NONE:
++ lcd_filter = FT_LCD_FILTER_NONE;
++ break;
++ case CAIRO_LCD_FILTER_DEFAULT:
++ case CAIRO_LCD_FILTER_INTRA_PIXEL:
++ lcd_filter = FT_LCD_FILTER_LEGACY;
++ break;
++ case CAIRO_LCD_FILTER_FIR3:
++ lcd_filter = FT_LCD_FILTER_LIGHT;
++ break;
++ case CAIRO_LCD_FILTER_FIR5:
++ lcd_filter = FT_LCD_FILTER_DEFAULT;
++ break;
++ }
++
++ break;
++
++ case CAIRO_ANTIALIAS_DEFAULT:
++ case CAIRO_ANTIALIAS_GRAY:
++ render_mode = FT_RENDER_MODE_NORMAL;
++ }
+
+ FT_Outline_Get_CBox (outline, &cbox);
+
+ cbox.xMin &= -64;
+ cbox.yMin &= -64;
+ cbox.xMax = (cbox.xMax + 63) & -64;
+ cbox.yMax = (cbox.yMax + 63) & -64;
+
+ width = (unsigned int) ((cbox.xMax - cbox.xMin) >> 6);
+ height = (unsigned int) ((cbox.yMax - cbox.yMin) >> 6);
+- stride = (width * hmul + 3) & ~3;
+
+ if (width * height == 0) {
+ cairo_format_t format;
+ /* Looks like fb handles zero-sized images just fine */
+- switch (font_options->antialias) {
+- case CAIRO_ANTIALIAS_NONE:
++ switch (render_mode) {
++ case FT_RENDER_MODE_MONO:
+ format = CAIRO_FORMAT_A1;
+ break;
+- case CAIRO_ANTIALIAS_SUBPIXEL:
++ case FT_RENDER_MODE_LCD:
++ case FT_RENDER_MODE_LCD_V:
+ format= CAIRO_FORMAT_ARGB32;
+ break;
+- case CAIRO_ANTIALIAS_DEFAULT:
+- case CAIRO_ANTIALIAS_GRAY:
++ case FT_RENDER_MODE_LIGHT:
++ case FT_RENDER_MODE_NORMAL:
++ case FT_RENDER_MODE_MAX:
+ default:
+ format = CAIRO_FORMAT_A8;
+ break;
+ }
+
+ (*surface) = (cairo_image_surface_t *)
+ cairo_image_surface_create_for_data (NULL, format, 0, 0, 0);
+ if ((*surface)->base.status)
+ return (*surface)->base.status;
+ } else {
+
+- matrix.xx = matrix.yy = 0x10000L;
+- matrix.xy = matrix.yx = 0;
+-
+- switch (font_options->antialias) {
+- case CAIRO_ANTIALIAS_NONE:
+- bitmap.pixel_mode = FT_PIXEL_MODE_MONO;
+- bitmap.num_grays = 1;
+- stride = ((width + 31) & -32) >> 3;
++ int bitmap_size;
++
++ switch (render_mode) {
++ case FT_RENDER_MODE_LCD:
++ if (font_options->subpixel_order == CAIRO_SUBPIXEL_ORDER_BGR) {
++ rgba = FC_RGBA_BGR;
++ } else {
++ rgba = FC_RGBA_RGB;
++ }
+ break;
+- case CAIRO_ANTIALIAS_DEFAULT:
+- case CAIRO_ANTIALIAS_GRAY:
+- bitmap.pixel_mode = FT_PIXEL_MODE_GRAY;
+- bitmap.num_grays = 256;
+- stride = (width + 3) & -4;
++ case FT_RENDER_MODE_LCD_V:
++ if (font_options->subpixel_order == CAIRO_SUBPIXEL_ORDER_VBGR) {
++ rgba = FC_RGBA_VBGR;
++ } else {
++ rgba = FC_RGBA_VRGB;
++ }
+ break;
+- case CAIRO_ANTIALIAS_SUBPIXEL:
+- switch (font_options->subpixel_order) {
+- case CAIRO_SUBPIXEL_ORDER_RGB:
+- case CAIRO_SUBPIXEL_ORDER_BGR:
+- case CAIRO_SUBPIXEL_ORDER_DEFAULT:
+- default:
+- matrix.xx *= 3;
+- hmul = 3;
+- subpixel = TRUE;
+- break;
+- case CAIRO_SUBPIXEL_ORDER_VRGB:
+- case CAIRO_SUBPIXEL_ORDER_VBGR:
+- matrix.yy *= 3;
+- vmul = 3;
+- subpixel = TRUE;
+- break;
+- }
+- FT_Outline_Transform (outline, &matrix);
+-
+- bitmap.pixel_mode = FT_PIXEL_MODE_GRAY;
+- bitmap.num_grays = 256;
+- stride = (width * hmul + 3) & -4;
++ case FT_RENDER_MODE_MONO:
++ case FT_RENDER_MODE_LIGHT:
++ case FT_RENDER_MODE_NORMAL:
++ case FT_RENDER_MODE_MAX:
++ default:
++ break;
+ }
+
+- bitmap.pitch = stride;
+- bitmap.width = width * hmul;
+- bitmap.rows = height * vmul;
+- bitmap.buffer = calloc (stride, bitmap.rows);
++ FT_Library_SetLcdFilter (library, lcd_filter);
++
++ fterror = FT_Render_Glyph (face->glyph, render_mode);
++
++ FT_Library_SetLcdFilter (library, FT_LCD_FILTER_NONE);
++
++ if (fterror != 0)
++ return _cairo_error (CAIRO_STATUS_NO_MEMORY);
++
++ bitmap_size = _compute_xrender_bitmap_size (&bitmap,
++ face->glyph,
++ render_mode);
++ if (bitmap_size < 0)
++ return _cairo_error (CAIRO_STATUS_NO_MEMORY);
++
++ bitmap.buffer = calloc (1, bitmap_size);
+ if (unlikely (bitmap.buffer == NULL))
+ return _cairo_error (CAIRO_STATUS_NO_MEMORY);
+
+- FT_Outline_Translate (outline, -cbox.xMin*hmul, -cbox.yMin*vmul);
+-
+- if (FT_Outline_Get_Bitmap (glyphslot->library, outline, &bitmap) != 0) {
+- free (bitmap.buffer);
+- return _cairo_error (CAIRO_STATUS_NO_MEMORY);
+- }
+-
++ _fill_xrender_bitmap (&bitmap, face->glyph, render_mode,
++ (rgba == FC_RGBA_BGR || rgba == FC_RGBA_VBGR));
++
++ /* Note:
++ * _get_bitmap_surface will free bitmap.buffer if there is an error
++ */
+ status = _get_bitmap_surface (&bitmap, TRUE, font_options, surface);
+ if (unlikely (status))
+ return status;
++
++ /* Note: the font's coordinate system is upside down from ours, so the
++ * Y coordinate of the control box needs to be negated. Moreover, device
++ * offsets are position of glyph origin relative to top left while xMin
++ * and yMax are offsets of top left relative to origin. Another negation.
++ */
++ cairo_surface_set_device_offset (&(*surface)->base,
++ (double)-glyphslot->bitmap_left,
++ (double)+glyphslot->bitmap_top);
+ }
+
+- /*
+- * Note: the font's coordinate system is upside down from ours, so the
+- * Y coordinate of the control box needs to be negated. Moreover, device
+- * offsets are position of glyph origin relative to top left while xMin
+- * and yMax are offsets of top left relative to origin. Another negation.
+- */
+- cairo_surface_set_device_offset (&(*surface)->base,
+- floor (-(double) cbox.xMin / 64.0),
+- floor (+(double) cbox.yMax / 64.0));
+-
+ return CAIRO_STATUS_SUCCESS;
+ }
+
+ /* Converts a bitmap (or other) FT_GlyphSlot into an image */
+ static cairo_status_t
+ _render_glyph_bitmap (FT_Face face,
+ cairo_font_options_t *font_options,
+ cairo_image_surface_t **surface)
+@@ -1354,16 +1588,17 @@ _get_pattern_ft_options (FcPattern *patt
+
+ /* disable antialiasing if requested */
+ if (FcPatternGetBool (pattern,
+ FC_ANTIALIAS, 0, &antialias) != FcResultMatch)
+ antialias = FcTrue;
+
+ if (antialias) {
+ cairo_subpixel_order_t subpixel_order;
++ int lcd_filter;
+
+ /* disable hinting if requested */
+ if (FcPatternGetBool (pattern,
+ FC_HINTING, 0, &hinting) != FcResultMatch)
+ hinting = FcTrue;
+
+ if (FcPatternGetInteger (pattern,
+ FC_RGBA, 0, &rgba) != FcResultMatch)
+@@ -1389,16 +1624,35 @@ _get_pattern_ft_options (FcPattern *patt
+ break;
+ }
+
+ if (subpixel_order != CAIRO_SUBPIXEL_ORDER_DEFAULT) {
+ ft_options.base.subpixel_order = subpixel_order;
+ ft_options.base.antialias = CAIRO_ANTIALIAS_SUBPIXEL;
+ }
+
++ if (FcPatternGetInteger (pattern,
++ FC_LCD_FILTER, 0, &lcd_filter) == FcResultMatch)
++ {
++ switch (lcd_filter) {
++ case FC_LCD_NONE:
++ ft_options.base.lcd_filter = CAIRO_LCD_FILTER_NONE;
++ break;
++ case FC_LCD_DEFAULT:
++ ft_options.base.lcd_filter = CAIRO_LCD_FILTER_FIR5;
++ break;
++ case FC_LCD_LIGHT:
++ ft_options.base.lcd_filter = CAIRO_LCD_FILTER_FIR3;
++ break;
++ case FC_LCD_LEGACY:
++ ft_options.base.lcd_filter = CAIRO_LCD_FILTER_INTRA_PIXEL;
++ break;
++ }
++ }
++
+ #ifdef FC_HINT_STYLE
+ if (FcPatternGetInteger (pattern,
+ FC_HINT_STYLE, 0, &hintstyle) != FcResultMatch)
+ hintstyle = FC_HINT_FULL;
+
+ if (!hinting)
+ hintstyle = FC_HINT_NONE;
+
+@@ -1490,16 +1744,22 @@ _cairo_ft_options_merge (cairo_ft_option
+ }
+
+ if (options->base.hint_style == CAIRO_HINT_STYLE_DEFAULT)
+ options->base.hint_style = other->base.hint_style;
+
+ if (other->base.hint_style == CAIRO_HINT_STYLE_NONE)
+ options->base.hint_style = CAIRO_HINT_STYLE_NONE;
+
++ if (options->base.lcd_filter == CAIRO_LCD_FILTER_DEFAULT)
++ options->base.lcd_filter = other->base.lcd_filter;
++
++ if (other->base.lcd_filter == CAIRO_LCD_FILTER_NONE)
++ options->base.lcd_filter = CAIRO_LCD_FILTER_NONE;
++
+ if (options->base.antialias == CAIRO_ANTIALIAS_NONE) {
+ if (options->base.hint_style == CAIRO_HINT_STYLE_NONE)
+ load_flags |= FT_LOAD_NO_HINTING;
+ else
+ load_target = FT_LOAD_TARGET_MONO;
+ load_flags |= FT_LOAD_MONOCHROME;
+ } else {
+ switch (options->base.hint_style) {
+@@ -1513,21 +1773,21 @@ _cairo_ft_options_merge (cairo_ft_option
+ break;
+ case CAIRO_HINT_STYLE_FULL:
+ case CAIRO_HINT_STYLE_DEFAULT:
+ if (options->base.antialias == CAIRO_ANTIALIAS_SUBPIXEL) {
+ switch (options->base.subpixel_order) {
+ case CAIRO_SUBPIXEL_ORDER_DEFAULT:
+ case CAIRO_SUBPIXEL_ORDER_RGB:
+ case CAIRO_SUBPIXEL_ORDER_BGR:
+- load_target |= FT_LOAD_TARGET_LCD;
++ load_target = FT_LOAD_TARGET_LCD;
+ break;
+ case CAIRO_SUBPIXEL_ORDER_VRGB:
+ case CAIRO_SUBPIXEL_ORDER_VBGR:
+- load_target |= FT_LOAD_TARGET_LCD_V;
++ load_target = FT_LOAD_TARGET_LCD_V;
+ break;
+ }
+ }
+ break;
+ }
+ }
+
+ options->load_flags = load_flags | load_target;
+@@ -2510,16 +2770,44 @@ _cairo_ft_font_options_substitute (const
+ rgba = FC_RGBA_NONE;
+ }
+
+ if (! FcPatternAddInteger (pattern, FC_RGBA, rgba))
+ return _cairo_error (CAIRO_STATUS_NO_MEMORY);
+ }
+ }
+
++ if (options->lcd_filter != CAIRO_LCD_FILTER_DEFAULT)
++ {
++ if (FcPatternGet (pattern, FC_LCD_FILTER, 0, &v) == FcResultNoMatch)
++ {
++ int lcd_filter;
++
++ switch (options->lcd_filter) {
++ case CAIRO_LCD_FILTER_NONE:
++ lcd_filter = FT_LCD_FILTER_NONE;
++ break;
++ case CAIRO_LCD_FILTER_DEFAULT:
++ case CAIRO_LCD_FILTER_INTRA_PIXEL:
++ lcd_filter = FT_LCD_FILTER_LEGACY;
++ break;
++ case CAIRO_LCD_FILTER_FIR3:
++ lcd_filter = FT_LCD_FILTER_LIGHT;
++ break;
++ default:
++ case CAIRO_LCD_FILTER_FIR5:
++ lcd_filter = FT_LCD_FILTER_DEFAULT;
++ break;
++ }
++
++ if (! FcPatternAddInteger (pattern, FC_LCD_FILTER, lcd_filter))
++ return _cairo_error (CAIRO_STATUS_NO_MEMORY);
++ }
++ }
++
+ if (options->hint_style != CAIRO_HINT_STYLE_DEFAULT)
+ {
+ if (FcPatternGet (pattern, FC_HINTING, 0, &v) == FcResultNoMatch)
+ {
+ if (! FcPatternAddBool (pattern,
+ FC_HINTING,
+ options->hint_style != CAIRO_HINT_STYLE_NONE))
+ return _cairo_error (CAIRO_STATUS_NO_MEMORY);
+diff --git a/gfx/cairo/cairo/src/cairo-surface.c b/gfx/cairo/cairo/src/cairo-surface.c
+--- a/gfx/cairo/cairo/src/cairo-surface.c
++++ b/gfx/cairo/cairo/src/cairo-surface.c
+@@ -60,16 +60,17 @@ const cairo_surface_t name = { \
+ 0.0, /* y_fallback_resolution */ \
+ NULL, /* clip */ \
+ 0, /* next_clip_serial */ \
+ 0, /* current_clip_serial */ \
+ FALSE, /* is_snapshot */ \
+ FALSE, /* has_font_options */ \
+ { CAIRO_ANTIALIAS_DEFAULT, /* antialias */ \
+ CAIRO_SUBPIXEL_ORDER_DEFAULT, /* subpixel_order */ \
++ CAIRO_LCD_FILTER_DEFAULT, /* lcd_filter */ \
+ CAIRO_HINT_STYLE_DEFAULT, /* hint_style */ \
+ CAIRO_HINT_METRICS_DEFAULT /* hint_metrics */ \
+ } /* font_options */ \
+ }
+
+ static DEFINE_NIL_SURFACE(CAIRO_STATUS_NO_MEMORY, _cairo_surface_nil);
+ static DEFINE_NIL_SURFACE(CAIRO_STATUS_INVALID_CONTENT, _cairo_surface_nil_invalid_content);
+ static DEFINE_NIL_SURFACE(CAIRO_STATUS_INVALID_FORMAT, _cairo_surface_nil_invalid_format);
+diff --git a/gfx/cairo/cairo/src/cairo-types-private.h b/gfx/cairo/cairo/src/cairo-types-private.h
+--- a/gfx/cairo/cairo/src/cairo-types-private.h
++++ b/gfx/cairo/cairo/src/cairo-types-private.h
+@@ -110,19 +110,45 @@ struct _cairo_array {
+ unsigned int size;
+ unsigned int num_elements;
+ unsigned int element_size;
+ char **elements;
+
+ cairo_bool_t is_snapshot;
+ };
+
++
++/**
++ * cairo_lcd_filter_t:
++ * @CAIRO_LCD_FILTER_DEFAULT: Use the default LCD filter for
++ * font backend and target device
++ * @CAIRO_LCD_FILTER_NONE: Do not perform LCD filtering
++ * @CAIRO_LCD_FILTER_INTRA_PIXEL: Intra-pixel filter
++ * @CAIRO_LCD_FILTER_FIR3: FIR filter with a 3x3 kernel
++ * @CAIRO_LCD_FILTER_FIR5: FIR filter with a 5x5 kernel
++ *
++ * The LCD filter specifies the low-pass filter applied to LCD-optimized
++ * bitmaps generated with an antialiasing mode of %CAIRO_ANTIALIAS_SUBPIXEL.
++ *
++ * Note: This API was temporarily made available in the public
++ * interface during the 1.7.x development series, but was made private
++ * before 1.8.
++ **/
++typedef enum _cairo_lcd_filter {
++ CAIRO_LCD_FILTER_DEFAULT,
++ CAIRO_LCD_FILTER_NONE,
++ CAIRO_LCD_FILTER_INTRA_PIXEL,
++ CAIRO_LCD_FILTER_FIR3,
++ CAIRO_LCD_FILTER_FIR5
++} cairo_lcd_filter_t;
++
+ struct _cairo_font_options {
+ cairo_antialias_t antialias;
+ cairo_subpixel_order_t subpixel_order;
++ cairo_lcd_filter_t lcd_filter;
+ cairo_hint_style_t hint_style;
+ cairo_hint_metrics_t hint_metrics;
+ };
+
+ typedef cairo_bool_t (*cairo_cache_predicate_func_t) (const void *entry);
+
+ struct _cairo_cache {
+ cairo_hash_table_t *hash_table;
+diff --git a/gfx/cairo/cairo/src/cairo-xlib-screen.c b/gfx/cairo/cairo/src/cairo-xlib-screen.c
+--- a/gfx/cairo/cairo/src/cairo-xlib-screen.c
++++ b/gfx/cairo/cairo/src/cairo-xlib-screen.c
+@@ -145,23 +145,32 @@ get_integer_default (Display *dpy,
+ static void
+ _cairo_xlib_init_screen_font_options (Display *dpy,
+ cairo_xlib_screen_info_t *info)
+ {
+ cairo_bool_t xft_hinting;
+ cairo_bool_t xft_antialias;
+ int xft_hintstyle;
+ int xft_rgba;
++ int xft_lcdfilter;
+ cairo_antialias_t antialias;
+ cairo_subpixel_order_t subpixel_order;
++ cairo_lcd_filter_t lcd_filter;
+ cairo_hint_style_t hint_style;
+
+ if (!get_boolean_default (dpy, "antialias", &xft_antialias))
+ xft_antialias = TRUE;
+
++ if (!get_integer_default (dpy, "lcdfilter", &xft_lcdfilter)) {
++ /* -1 is an non-existant Fontconfig constant used to differentiate
++ * the case when no lcdfilter property is available.
++ */
++ xft_lcdfilter = -1;
++ }
++
+ if (!get_boolean_default (dpy, "hinting", &xft_hinting))
+ xft_hinting = TRUE;
+
+ if (!get_integer_default (dpy, "hintstyle", &xft_hintstyle))
+ xft_hintstyle = FC_HINT_FULL;
+
+ if (!get_integer_default (dpy, "rgba", &xft_rgba))
+ {
+@@ -234,28 +243,47 @@ _cairo_xlib_init_screen_font_options (Di
+ subpixel_order = CAIRO_SUBPIXEL_ORDER_VBGR;
+ break;
+ case FC_RGBA_UNKNOWN:
+ case FC_RGBA_NONE:
+ default:
+ subpixel_order = CAIRO_SUBPIXEL_ORDER_DEFAULT;
+ }
+
++ switch (xft_lcdfilter) {
++ case FC_LCD_NONE:
++ lcd_filter = CAIRO_LCD_FILTER_NONE;
++ break;
++ case FC_LCD_DEFAULT:
++ lcd_filter = CAIRO_LCD_FILTER_FIR5;
++ break;
++ case FC_LCD_LIGHT:
++ lcd_filter = CAIRO_LCD_FILTER_FIR3;
++ break;
++ case FC_LCD_LEGACY:
++ lcd_filter = CAIRO_LCD_FILTER_INTRA_PIXEL;
++ break;
++ default:
++ lcd_filter = CAIRO_LCD_FILTER_DEFAULT;
++ break;
++ }
++
+ if (xft_antialias) {
+ if (subpixel_order == CAIRO_SUBPIXEL_ORDER_DEFAULT)
+ antialias = CAIRO_ANTIALIAS_GRAY;
+ else
+ antialias = CAIRO_ANTIALIAS_SUBPIXEL;
+ } else {
+ antialias = CAIRO_ANTIALIAS_NONE;
+ }
+
+ cairo_font_options_set_hint_style (&info->font_options, hint_style);
+ cairo_font_options_set_antialias (&info->font_options, antialias);
+ cairo_font_options_set_subpixel_order (&info->font_options, subpixel_order);
++ _cairo_font_options_set_lcd_filter (&info->font_options, lcd_filter);
+ cairo_font_options_set_hint_metrics (&info->font_options, CAIRO_HINT_METRICS_ON);
+ }
+
+ cairo_xlib_screen_info_t *
+ _cairo_xlib_screen_info_reference (cairo_xlib_screen_info_t *info)
+ {
+ assert (CAIRO_REFERENCE_COUNT_HAS_REFERENCE (&info->ref_count));
+
+diff --git a/gfx/cairo/cairo/src/cairoint.h b/gfx/cairo/cairo/src/cairoint.h
+--- a/gfx/cairo/cairo/src/cairoint.h
++++ b/gfx/cairo/cairo/src/cairoint.h
+@@ -1444,16 +1444,23 @@ extern const cairo_private uint16_t _cai
+
+ cairo_private void
+ _cairo_font_options_init_default (cairo_font_options_t *options);
+
+ cairo_private void
+ _cairo_font_options_init_copy (cairo_font_options_t *options,
+ const cairo_font_options_t *other);
+
++cairo_private void
++_cairo_font_options_set_lcd_filter (cairo_font_options_t *options,
++ cairo_lcd_filter_t lcd_filter);
++
++cairo_private cairo_lcd_filter_t
++_cairo_font_options_get_lcd_filter (const cairo_font_options_t *options);
++
+ /* cairo-hull.c */
+ cairo_private cairo_status_t
+ _cairo_hull_compute (cairo_pen_vertex_t *vertices, int *num_vertices);
+
+ /* cairo-lzw.c */
+ cairo_private unsigned char *
+ _cairo_lzw_compress (unsigned char *data, unsigned long *size_in_out);
+