本文整理汇总了C++中FT_Outline_Get_CBox函数的典型用法代码示例。如果您正苦于以下问题：C++ FT_Outline_Get_CBox函数的具体用法？C++ FT_Outline_Get_CBox怎么用？C++ FT_Outline_Get_CBox使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了FT_Outline_Get_CBox函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: FT_Load_Glyph
bool TTBMFont::addFontGlyph(int fontnum,FT_UInt glyphIndex,wchar32_t chr) {
FT_Error error;
FT_Face face=fontFaces_[fontnum].face;
error = FT_Load_Glyph(face, glyphIndex, FT_LOAD_DEFAULT);
if (error)
return false;
int top, left, width, height;
if (face->glyph->format == FT_GLYPH_FORMAT_OUTLINE) {
FT_BBox bbox;
if (stroker) {
FT_Glyph glyph;
error = FT_Get_Glyph(face->glyph, &glyph);
if (error)
return false;
error = FT_Glyph_StrokeBorder(&glyph, stroker, false, true);
if (error)
return false;
FT_OutlineGlyph oGlyph = reinterpret_cast<FT_OutlineGlyph>(glyph);
FT_Outline_Get_CBox(&oGlyph->outline, &bbox);
FT_Done_Glyph(glyph);
}
else
FT_Outline_Get_CBox(&face->glyph->outline, &bbox);
bbox.xMin &= ~63;
bbox.yMin &= ~63;
bbox.xMax = (bbox.xMax + 63) & ~63;
bbox.yMax = (bbox.yMax + 63) & ~63;
width = (bbox.xMax - bbox.xMin) >> 6;
height = (bbox.yMax - bbox.yMin) >> 6;
top = bbox.yMax >> 6;
left = bbox.xMin >> 6;
} else if (face->glyph->format == FT_GLYPH_FORMAT_BITMAP) {
开发者ID:gideros，项目名称:gideros，代码行数:35，代码来源:ttbmfont.cpp
示例2: New_GlyphSlot_Embolden
// 让一个字体槽加粗，并且填充其他的大小属性
void New_GlyphSlot_Embolden( FT_GlyphSlot slot, const FT_Pos str_x, const FT_Pos str_y)
{
FT_Library library;
FT_Face face;
FT_Error error;
FT_BBox newBox, oldBox;
FT_Pos xstr = (FT_Pos)str_x;
FT_Pos ystr = (FT_Pos)str_y;
CC_ASSERT(slot != NULL);
library = slot->library;
face = slot->face;
if ( slot->format != FT_GLYPH_FORMAT_OUTLINE &&
slot->format != FT_GLYPH_FORMAT_BITMAP )
return;
if ( slot->format == FT_GLYPH_FORMAT_OUTLINE ) {
FT_Outline_Get_CBox(&slot->outline , &oldBox);
error = New_FT_Outline_Embolden( &slot->outline, xstr , ystr);
if ( error )
return;
FT_Outline_Get_CBox(&slot->outline , &newBox);
xstr = (newBox.xMax - newBox.xMin) - (oldBox.xMax - oldBox.xMin);
ystr = (newBox.yMax - newBox.yMin) - (oldBox.yMax - oldBox.yMin);
} else if ( slot->format == FT_GLYPH_FORMAT_BITMAP ) {
xstr = FT_PIX_FLOOR( xstr );
if ( xstr == 0 )
xstr = 1 << 6;
ystr = FT_PIX_FLOOR( ystr );
error = FT_Bitmap_Embolden( library, &slot->bitmap, xstr, ystr );
if ( error )
return;
}
if ( slot->advance.x )
slot->advance.x += xstr;
if ( slot->advance.y )
slot->advance.y += ystr;
slot->metrics.width += xstr;
slot->metrics.height += ystr;
slot->metrics.horiBearingY += ystr;
slot->metrics.horiAdvance += xstr;
slot->metrics.vertBearingX -= xstr / 2;
slot->metrics.vertBearingY += ystr;
slot->metrics.vertAdvance += ystr;
if ( slot->format == FT_GLYPH_FORMAT_BITMAP )
slot->bitmap_top += ystr >> 6;
}
开发者ID:CCQIU，项目名称:CGE，代码行数:57，代码来源:FTFontExt.cpp
示例3: ft_outline_glyph_bbox
ft_outline_glyph_bbox( FT_Glyph outline_glyph,
FT_BBox* bbox )
{
FT_OutlineGlyph glyph = (FT_OutlineGlyph)outline_glyph;
FT_Outline_Get_CBox( &glyph->outline, bbox );
}
开发者ID:7heaven，项目名称:softart，代码行数:8，代码来源:ftglyph.c
示例4: Py_Outline_get_cbox
static PyObject*
Py_Outline_get_cbox(Py_Outline* self, PyObject* args, PyObject* kwds)
{
FT_BBox bbox;
FT_Outline_Get_CBox(&self->x, &bbox);
return Py_BBox_cnew(&bbox, 1.0);
}
开发者ID:anthrotype，项目名称:freetypy，代码行数:9，代码来源:outline.c
示例5: ft_smooth_get_cbox
/* return the glyph's control box */
static void
ft_smooth_get_cbox( FT_Renderer render,
FT_GlyphSlot slot,
FT_BBox* cbox )
{
FT_MEM_SET( cbox, 0, sizeof ( *cbox ) );
if ( slot->format == render->glyph_format )
FT_Outline_Get_CBox( &slot->outline, cbox );
}
开发者ID:Claruarius，项目名称:stblinux-2.6.37，代码行数:11，代码来源:ftsmooth.c
示例6: ft_smooth_render_generic
/* convert a slot's glyph image into a bitmap */
static FT_Error
ft_smooth_render_generic( FT_Renderer render,
FT_GlyphSlot slot,
FT_Render_Mode mode,
const FT_Vector* origin,
FT_Render_Mode required_mode )
{
FT_Error error;
FT_Outline* outline = NULL;
FT_BBox cbox;
FT_UInt width, height, pitch;
#ifndef FT_CONFIG_OPTION_SUBPIXEL_RENDERING
FT_UInt height_org, width_org;
#endif
FT_Bitmap* bitmap;
FT_Memory memory;
FT_Int hmul = mode == FT_RENDER_MODE_LCD;
FT_Int vmul = mode == FT_RENDER_MODE_LCD_V;
FT_Pos x_shift, y_shift, x_left, y_top;
FT_Raster_Params params;
/* check glyph image format */
if ( slot->format != render->glyph_format )
{
error = Smooth_Err_Invalid_Argument;
goto Exit;
}
/* check mode */
if ( mode != required_mode )
return Smooth_Err_Cannot_Render_Glyph;
outline = &slot->outline;
/* translate the outline to the new origin if needed */
if ( origin )
FT_Outline_Translate( outline, origin->x, origin->y );
/* compute the control box, and grid fit it */
FT_Outline_Get_CBox( outline, &cbox );
cbox.xMin = FT_PIX_FLOOR( cbox.xMin );
cbox.yMin = FT_PIX_FLOOR( cbox.yMin );
cbox.xMax = FT_PIX_CEIL( cbox.xMax );
cbox.yMax = FT_PIX_CEIL( cbox.yMax );
if ( cbox.xMin < 0 && cbox.xMax > FT_INT_MAX + cbox.xMin )
{
FT_ERROR(( "ft_smooth_render_generic: glyph too large:"
" xMin = %d, xMax = %d\n",
cbox.xMin >> 6, cbox.xMax >> 6 ));
return Smooth_Err_Raster_Overflow;
}
开发者ID:prestocore，项目名称:browser，代码行数:56，代码来源:ftsmooth.c
示例7: ft_raster1_get_cbox
/* return the glyph's control box */
static
void ft_raster1_get_cbox(FT_Renderer render,
FT_GlyphSlot slot,
FT_BBox *cbox)
{
MEM_Set(cbox, 0, sizeof(*cbox));
if(slot->format == render->glyph_format)
{
FT_Outline_Get_CBox(&slot->outline, cbox);
}
}
开发者ID:Diskutant，项目名称:RTCW-SP，代码行数:13，代码来源:ftrend1.c
示例8: FT_Outline_Get_CBox
Bitmap *outline_to_bitmap(ASS_Library *library, FT_Library ftlib,
FT_Outline *outline, int bord)
{
Bitmap *bm;
int w, h;
int error;
FT_BBox bbox;
FT_Bitmap bitmap;
FT_Outline_Get_CBox(outline, &bbox);
// move glyph to origin (0, 0)
bbox.xMin &= ~63;
bbox.yMin &= ~63;
FT_Outline_Translate(outline, -bbox.xMin, -bbox.yMin);
// bitmap size
bbox.xMax = (bbox.xMax + 63) & ~63;
bbox.yMax = (bbox.yMax + 63) & ~63;
w = (bbox.xMax - bbox.xMin) >> 6;
h = (bbox.yMax - bbox.yMin) >> 6;
// pen offset
bbox.xMin >>= 6;
bbox.yMax >>= 6;
if (w * h > 8000000) {
ass_msg(library, MSGL_WARN, "Glyph bounding box too large: %dx%dpx",
w, h);
return NULL;
}
// allocate and set up bitmap
bm = alloc_bitmap(w + 2 * bord, h + 2 * bord);
bm->left = bbox.xMin - bord;
bm->top = -bbox.yMax - bord;
bitmap.width = w;
bitmap.rows = h;
bitmap.pitch = bm->stride;
bitmap.buffer = bm->buffer + bord + bm->stride * bord;
bitmap.num_grays = 256;
bitmap.pixel_mode = FT_PIXEL_MODE_GRAY;
// render into target bitmap
if ((error = FT_Outline_Get_Bitmap(ftlib, outline, &bitmap))) {
ass_msg(library, MSGL_WARN, "Failed to rasterize glyph: %d\n", error);
ass_free_bitmap(bm);
return NULL;
}
return bm;
}
开发者ID:PengLei-Adam，项目名称:FFmepg-Android，代码行数:49，代码来源:ass_bitmap.c
示例9: FT_Get_Char_Index
void TTFont::getBounds(const wchar32_t *text, float letterSpacing, int *pminx, int *pminy, int *pmaxx, int *pmaxy) const
{
float scalex = application_->getLogicalScaleX();
int minx = 0x7fffffff;
int miny = 0x7fffffff;
int maxx = -0x7fffffff;
int maxy = -0x7fffffff;
int size = 0;
for (const wchar32_t *t = text; *t; ++t, ++size)
;
int x = 0, y = 0;
FT_UInt prev = 0;
for (int i = 0; i < size; ++i)
{
FT_UInt glyphIndex = FT_Get_Char_Index(face_, text[i]);
if (glyphIndex == 0)
continue;
if (FT_Load_Glyph(face_, glyphIndex, FT_LOAD_DEFAULT))
continue;
int top, left, width, height;
if (face_->glyph->format == FT_GLYPH_FORMAT_OUTLINE)
{
FT_BBox bbox;
FT_Outline_Get_CBox(&face_->glyph->outline, &bbox);
bbox.xMin &= ~63;
bbox.yMin &= ~63;
bbox.xMax = (bbox.xMax + 63) & ~63;
bbox.yMax = (bbox.yMax + 63) & ~63;
width = (bbox.xMax - bbox.xMin) >> 6;
height = (bbox.yMax - bbox.yMin) >> 6;
top = bbox.yMax >> 6;
left = bbox.xMin >> 6;
}
else if (face_->glyph->format == FT_GLYPH_FORMAT_BITMAP)
开发者ID:HubertRonald，项目名称:gideros，代码行数:41，代码来源:ttfont.cpp
示例10: drawing_finish
/*
* \brief Finish a drawing. This only sets the horizontal advance according
* to the glyph's bbox at the moment.
*/
static void drawing_finish(ASS_Drawing *drawing, int raw_mode)
{
int i, offset;
FT_BBox bbox;
FT_Outline *ol = &drawing->glyph->outline;
// Close the last contour
drawing_close_shape(drawing);
#if 0
// Dump points
for (i = 0; i < ol->n_points; i++) {
printf("point (%d, %d)\n", (int) ol->points[i].x,
(int) ol->points[i].y);
}
// Dump contours
for (i = 0; i < ol->n_contours; i++)
printf("contour %d\n", ol->contours[i]);
#endif
ass_msg(drawing->library, MSGL_V,
"Parsed drawing with %d points and %d contours", ol->n_points,
ol->n_contours);
if (raw_mode)
return;
FT_Outline_Get_CBox(&drawing->glyph->outline, &bbox);
drawing->glyph->root.advance.x = d6_to_d16(bbox.xMax - bbox.xMin);
drawing->desc = double_to_d6(-drawing->pbo * drawing->scale_y);
drawing->asc = bbox.yMax - bbox.yMin + drawing->desc;
// Place it onto the baseline
offset = (bbox.yMax - bbox.yMin) + double_to_d6(-drawing->pbo *
drawing->scale_y);
for (i = 0; i < ol->n_points; i++)
ol->points[i].y += offset;
}
开发者ID:BackupTheBerlios，项目名称:avidemux-svn，代码行数:44，代码来源:ass_drawing.c
示例11: LoadTrueTypeChar
static FT_Error
LoadTrueTypeChar(Font *fnt,
int idx,
Boolean hint,
Boolean quiet)
{
FT_Error error;
int flags;
flags = FT_LOAD_DEFAULT;
if (hint)
flags |= FT_LOAD_FORCE_AUTOHINT;
error = FT_Load_Glyph(face, idx, flags);
if (!error)
{
if (fnt->efactor != 1.0 || fnt->slant != 0.0 )
FT_Outline_Transform(&face->glyph->outline, &matrix1);
if (fnt->rotate)
{
FT_Outline_Transform(&face->glyph->outline, &matrix2);
error = FT_Outline_Get_BBox(&face->glyph->outline, &bbox); /* we need the non-
grid-fitted bbox */
if (!error)
FT_Outline_Translate(&face->glyph->outline,
face->glyph->metrics.vertBearingY - bbox.xMin,
-fnt->y_offset * ppem * 64);
}
}
if (!error)
error = FT_Outline_Get_BBox(&face->glyph->outline, &bbox);
if (!error)
{
FT_Outline_Get_CBox(&face->glyph->outline, &bbox); /* for the case of BBox != CBox */
SetRasterArea(quiet);
}
return error;
}
开发者ID:MiKTeX，项目名称:miktex，代码行数:39，代码来源:ttflib.c
示例12: ft_raster1_render
/* convert a slot's glyph image into a bitmap */
static
FT_Error ft_raster1_render(FT_Renderer render,
FT_GlyphSlot slot,
FT_UInt mode,
FT_Vector *origin)
{
FT_Error error;
FT_Outline *outline;
FT_BBox cbox;
FT_UInt width, height, pitch;
FT_Bitmap *bitmap;
FT_Memory memory;
FT_Raster_Params params;
/* check glyph image format */
if(slot->format != render->glyph_format)
{
error = FT_Err_Invalid_Argument;
goto Exit;
}
/* check rendering mode */
if(mode != ft_render_mode_mono)
{
/* raster1 is only capable of producing monochrome bitmaps */
if(render->clazz == &ft_raster1_renderer_class)
{
return FT_Err_Cannot_Render_Glyph;
}
}
else
{
/* raster5 is only capable of producing 5-gray-levels bitmaps */
if(render->clazz == &ft_raster5_renderer_class)
{
return FT_Err_Cannot_Render_Glyph;
}
}
outline = &slot->outline;
/* translate the outline to the new origin if needed */
if(origin)
{
FT_Outline_Translate(outline, origin->x, origin->y);
}
/* compute the control box, and grid fit it */
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 = (cbox.xMax - cbox.xMin) >> 6;
height = (cbox.yMax - cbox.yMin) >> 6;
bitmap = &slot->bitmap;
memory = render->root.memory;
/* release old bitmap buffer */
if(slot->flags & ft_glyph_own_bitmap)
{
FREE(bitmap->buffer);
slot->flags &= ~ft_glyph_own_bitmap;
}
/* allocate new one, depends on pixel format */
if(!(mode & ft_render_mode_mono))
{
/* we pad to 32 bits, only for backwards compatibility with FT 1.x */
pitch = (width + 3) & - 4;
bitmap->pixel_mode = ft_pixel_mode_grays;
bitmap->num_grays = 256;
}
else
{
pitch = (width + 7) >> 3;
bitmap->pixel_mode = ft_pixel_mode_mono;
}
bitmap->width = width;
bitmap->rows = height;
bitmap->pitch = pitch;
if(ALLOC(bitmap->buffer, (FT_ULong)pitch * height))
{
goto Exit;
}
slot->flags |= ft_glyph_own_bitmap;
/* translate outline to render it into the bitmap */
FT_Outline_Translate(outline, -cbox.xMin, -cbox.yMin);
/* set up parameters */
params.target = bitmap;
//.........这里部分代码省略.........
开发者ID:Diskutant，项目名称:RTCW-SP，代码行数:101，代码来源:ftrend1.c
示例13: pfr_slot_load
//.........这里部分代码省略.........
pfrslot->format = FT_GLYPH_FORMAT_OUTLINE;
outline->n_points = 0;
outline->n_contours = 0;
gps_offset = face->header.gps_section_offset;
/* load the glyph outline (FT_LOAD_NO_RECURSE isn't supported) */
error = pfr_glyph_load( &slot->glyph, face->root.stream,
gps_offset, gchar->gps_offset, gchar->gps_size );
if ( !error )
{
FT_BBox cbox;
FT_Glyph_Metrics* metrics = &pfrslot->metrics;
FT_Pos advance;
FT_Int em_metrics, em_outline;
FT_Bool scaling;
scaling = FT_BOOL( ( load_flags & FT_LOAD_NO_SCALE ) == 0 );
/* copy outline data */
*outline = slot->glyph.loader->base.outline;
outline->flags &= ~FT_OUTLINE_OWNER;
outline->flags |= FT_OUTLINE_REVERSE_FILL;
if ( size && pfrsize->metrics.y_ppem < 24 )
outline->flags |= FT_OUTLINE_HIGH_PRECISION;
/* compute the advance vector */
metrics->horiAdvance = 0;
metrics->vertAdvance = 0;
advance = gchar->advance;
em_metrics = face->phy_font.metrics_resolution;
em_outline = face->phy_font.outline_resolution;
if ( em_metrics != em_outline )
advance = FT_MulDiv( advance, em_outline, em_metrics );
if ( face->phy_font.flags & PFR_PHY_VERTICAL )
metrics->vertAdvance = advance;
else
metrics->horiAdvance = advance;
pfrslot->linearHoriAdvance = metrics->horiAdvance;
pfrslot->linearVertAdvance = metrics->vertAdvance;
/* make-up vertical metrics(?) */
metrics->vertBearingX = 0;
metrics->vertBearingY = 0;
/* Apply the font matrix, if any. */
/* TODO: Test existing fonts with unusual matrix */
/* whether we have to adjust Units per EM. */
{
FT_Matrix font_matrix;
font_matrix.xx = face->log_font.matrix[0] << 8;
font_matrix.yx = face->log_font.matrix[1] << 8;
font_matrix.xy = face->log_font.matrix[2] << 8;
font_matrix.yy = face->log_font.matrix[3] << 8;
FT_Outline_Transform( outline, &font_matrix );
}
/* scale when needed */
if ( scaling )
{
FT_Int n;
FT_Fixed x_scale = pfrsize->metrics.x_scale;
FT_Fixed y_scale = pfrsize->metrics.y_scale;
FT_Vector* vec = outline->points;
/* scale outline points */
for ( n = 0; n < outline->n_points; n++, vec++ )
{
vec->x = FT_MulFix( vec->x, x_scale );
vec->y = FT_MulFix( vec->y, y_scale );
}
/* scale the advance */
metrics->horiAdvance = FT_MulFix( metrics->horiAdvance, x_scale );
metrics->vertAdvance = FT_MulFix( metrics->vertAdvance, y_scale );
}
/* compute the rest of the metrics */
FT_Outline_Get_CBox( outline, &cbox );
metrics->width = cbox.xMax - cbox.xMin;
metrics->height = cbox.yMax - cbox.yMin;
metrics->horiBearingX = cbox.xMin;
metrics->horiBearingY = cbox.yMax - metrics->height;
}
Exit:
return error;
}
开发者ID:Miguel-J，项目名称:eneboo-core，代码行数:101，代码来源:pfrobjs.c
示例14: ft_raster1_render
/* convert a slot's glyph image into a bitmap */
static FT_Error
ft_raster1_render( FT_Renderer render,
FT_GlyphSlot slot,
FT_Render_Mode mode,
const FT_Vector* origin )
{
FT_Error error;
FT_Outline* outline;
FT_BBox cbox, cbox0;
FT_UInt width, height, pitch;
FT_Bitmap* bitmap;
FT_Memory memory;
FT_Raster_Params params;
/* check glyph image format */
if ( slot->format != render->glyph_format )
{
error = Raster_Err_Invalid_Argument;
goto Exit;
}
/* check rendering mode */
#ifndef FT_CONFIG_OPTION_PIC
if ( mode != FT_RENDER_MODE_MONO )
{
/* raster1 is only capable of producing monochrome bitmaps */
if ( render->clazz == &ft_raster1_renderer_class )
return Raster_Err_Cannot_Render_Glyph;
}
else
{
/* raster5 is only capable of producing 5-gray-levels bitmaps */
if ( render->clazz == &ft_raster5_renderer_class )
return Raster_Err_Cannot_Render_Glyph;
}
#else /* FT_CONFIG_OPTION_PIC */
/* When PIC is enabled, we cannot get to the class object */
/* so instead we check the final character in the class name */
/* ("raster5" or "raster1"). Yes this is a hack. */
/* The "correct" thing to do is have different render function */
/* for each of the classes. */
if ( mode != FT_RENDER_MODE_MONO )
{
/* raster1 is only capable of producing monochrome bitmaps */
if ( render->clazz->root.module_name[6] == '1' )
return Raster_Err_Cannot_Render_Glyph;
}
else
{
/* raster5 is only capable of producing 5-gray-levels bitmaps */
if ( render->clazz->root.module_name[6] == '5' )
return Raster_Err_Cannot_Render_Glyph;
}
#endif /* FT_CONFIG_OPTION_PIC */
outline = &slot->outline;
/* translate the outline to the new origin if needed */
if ( origin )
FT_Outline_Translate( outline, origin->x, origin->y );
/* compute the control box, and grid fit it */
FT_Outline_Get_CBox( outline, &cbox0 );
/* undocumented but confirmed: bbox values get rounded */
#if 1
cbox.xMin = FT_PIX_ROUND( cbox0.xMin );
cbox.yMin = FT_PIX_ROUND( cbox0.yMin );
cbox.xMax = FT_PIX_ROUND( cbox0.xMax );
cbox.yMax = FT_PIX_ROUND( cbox0.yMax );
#else
cbox.xMin = FT_PIX_FLOOR( cbox.xMin );
cbox.yMin = FT_PIX_FLOOR( cbox.yMin );
cbox.xMax = FT_PIX_CEIL( cbox.xMax );
cbox.yMax = FT_PIX_CEIL( cbox.yMax );
#endif
/* in the event either width or height round to 0, */
/* try explicitly rounding up/down. In the case of */
/* glyphs containing only one very narrow feature, */
/* this give the drop-out compensation in the */
/* in the scan conversion code to do its stuff. */
width = (FT_UInt)( ( cbox.xMax - cbox.xMin ) >> 6 );
if ( width == 0 )
{
cbox.xMin = FT_PIX_FLOOR( cbox0.xMin );
cbox.xMax = FT_PIX_CEIL( cbox0.xMax );
width = (FT_UInt)( ( cbox.xMax - cbox.xMin ) >> 6 );
}
开发者ID:hackqiang，项目名称:gs，代码行数:93，代码来源:ftrend1.c
示例15: cff_slot_load
//.........这里部分代码省略.........
FT_Short vertBearingY = 0;
FT_UShort vertAdvance = 0;
( (SFNT_Service)face->sfnt )->get_metrics( face, 1,
glyph_index,
&vertBearingY,
&vertAdvance );
metrics->vertBearingY = vertBearingY;
metrics->vertAdvance = vertAdvance;
}
else
{
/* make up vertical ones */
if ( face->os2.version != 0xFFFFU )
metrics->vertAdvance = (FT_Pos)( face->os2.sTypoAscender -
face->os2.sTypoDescender );
else
metrics->vertAdvance = (FT_Pos)( face->horizontal.Ascender -
face->horizontal.Descender );
}
glyph->root.linearVertAdvance = metrics->vertAdvance;
glyph->root.format = FT_GLYPH_FORMAT_OUTLINE;
glyph->root.outline.flags = 0;
if ( size && size->root.metrics.y_ppem < 24 )
glyph->root.outline.flags |= FT_OUTLINE_HIGH_PRECISION;
glyph->root.outline.flags |= FT_OUTLINE_REVERSE_FILL;
/* apply the font matrix, if any */
if ( font_matrix.xx != 0x10000L || font_matrix.yy != 0x10000L ||
font_matrix.xy != 0 || font_matrix.yx != 0 )
{
FT_Outline_Transform( &glyph->root.outline, &font_matrix );
metrics->horiAdvance = FT_MulFix( metrics->horiAdvance,
font_matrix.xx );
metrics->vertAdvance = FT_MulFix( metrics->vertAdvance,
font_matrix.yy );
}
if ( font_offset.x || font_offset.y )
{
FT_Outline_Translate( &glyph->root.outline,
font_offset.x,
font_offset.y );
metrics->horiAdvance += font_offset.x;
metrics->vertAdvance += font_offset.y;
}
if ( ( load_flags & FT_LOAD_NO_SCALE ) == 0 || force_scaling )
{
/* scale the outline and the metrics */
FT_Int n;
FT_Outline* cur = &glyph->root.outline;
FT_Vector* vec = cur->points;
FT_Fixed x_scale = glyph->x_scale;
FT_Fixed y_scale = glyph->y_scale;
/* First of all, scale the points */
if ( !hinting || !decoder.builder.hints_funcs )
for ( n = cur->n_points; n > 0; n--, vec++ )
{
vec->x = FT_MulFix( vec->x, x_scale );
vec->y = FT_MulFix( vec->y, y_scale );
}
/* Then scale the metrics */
metrics->horiAdvance = FT_MulFix( metrics->horiAdvance, x_scale );
metrics->vertAdvance = FT_MulFix( metrics->vertAdvance, y_scale );
}
/* compute the other metrics */
FT_Outline_Get_CBox( &glyph->root.outline, &cbox );
metrics->width = cbox.xMax - cbox.xMin;
metrics->height = cbox.yMax - cbox.yMin;
metrics->horiBearingX = cbox.xMin;
metrics->horiBearingY = cbox.yMax;
if ( has_vertical_info )
metrics->vertBearingX = metrics->horiBearingX -
metrics->horiAdvance / 2;
else
{
if ( load_flags & FT_LOAD_VERTICAL_LAYOUT )
ft_synthesize_vertical_metrics( metrics,
metrics->vertAdvance );
}
}
}
return error;
}
开发者ID:93i，项目名称:godot，代码行数:101，代码来源:cffgload.c
示例16: pfr_slot_load
//.........这里部分代码省略.........
if (gindex > 0)
gindex--;
/* check that the glyph index is correct */
FT_ASSERT( gindex < face->phy_font.num_chars );
/* try to load an embedded bitmap */
if ( ( load_flags & ( FT_LOAD_NO_SCALE | FT_LOAD_NO_BITMAP ) ) == 0 )
{
error = pfr_slot_load_bitmap( slot, size, gindex );
if ( error == 0 )
goto Exit;
}
gchar = face->phy_font.chars + gindex;
slot->root.format = FT_GLYPH_FORMAT_OUTLINE;
outline->n_points = 0;
outline->n_contours = 0;
gps_offset = face->header.gps_section_offset;
/* load the glyph outline (FT_LOAD_NO_RECURSE isn't supported) */
error = pfr_glyph_load( &slot->glyph, face->root.stream,
gps_offset, gchar->gps_offset, gchar->gps_size );
if ( !error )
{
FT_BBox cbox;
FT_Glyph_Metrics* metrics = &slot->root.metrics;
FT_Pos advance;
FT_Int em_metrics, em_outline;
FT_Bool scaling;
scaling = FT_BOOL( ( load_flags & FT_LOAD_NO_SCALE ) == 0 );
/* copy outline data */
*outline = slot->glyph.loader->base.outline;
outline->flags &= ~FT_OUTLINE_OWNER;
outline->flags |= FT_OUTLINE_REVERSE_FILL;
if ( size && size->root.metrics.y_ppem < 24 )
outline->flags |= FT_OUTLINE_HIGH_PRECISION;
/* compute the advance vector */
metrics->horiAdvance = 0;
metrics->vertAdvance = 0;
advance = gchar->advance;
em_metrics = face->phy_font.metrics_resolution;
em_outline = face->phy_font.outline_resolution;
if ( em_metrics != em_outline )
advance = FT_MulDiv( advance, em_outline, em_metrics );
if ( face->phy_font.flags & PFR_PHY_VERTICAL )
metrics->vertAdvance = advance;
else
metrics->horiAdvance = advance;
slot->root.linearHoriAdvance = metrics->horiAdvance;
slot->root.linearVertAdvance = metrics->vertAdvance;
/* make-up vertical metrics(?) */
metrics->vertBearingX = 0;
metrics->vertBearingY = 0;
/* scale when needed */
if ( scaling )
{
FT_Int n;
FT_Fixed x_scale = size->root.metrics.x_scale;
FT_Fixed y_scale = size->root.metrics.y_scale;
FT_Vector* vec = outline->points;
/* scale outline points */
for ( n = 0; n < outline->n_points; n++, vec++ )
{
vec->x = FT_MulFix( vec->x, x_scale );
vec->y = FT_MulFix( vec->y, y_scale );
}
/* scale the advance */
metrics->horiAdvance = FT_MulFix( metrics->horiAdvance, x_scale );
metrics->vertAdvance = FT_MulFix( metrics->vertAdvance, y_scale );
}
/* compute the rest of the metrics */
FT_Outline_Get_CBox( outline, &cbox );
metrics->width = cbox.xMax - cbox.xMin;
metrics->height = cbox.yMax - cbox.yMin;
metrics->horiBearingX = cbox.xMin;
metrics->horiBearingY = cbox.yMax - metrics->height;
}
Exit:
return error;
}
开发者ID:8l，项目名称:inferno，代码行数:101，代码来源:pfrobjs.c
示例17: SkToBool
void SkScalerContext_FreeType_Base::generateGlyphImage(
FT_Face face,
const SkGlyph& glyph,
const SkMatrix& bitmapTransform)
{
const bool doBGR = SkToBool(fRec.fFlags & SkScalerContext::kLCD_BGROrder_Flag);
const bool doVert = SkToBool(fRec.fFlags & SkScalerContext::kLCD_Vertical_Flag);
switch ( face->glyph->format ) {
case FT_GLYPH_FORMAT_OUTLINE: {
FT_Outline* outline = &face->glyph->outline;
int dx = 0, dy = 0;
if (fRec.fFlags & SkScalerContext::kSubpixelPositioning_Flag) {
dx = SkFixedToFDot6(glyph.getSubXFixed());
dy = SkFixedToFDot6(glyph.getSubYFixed());
// negate dy since freetype-y-goes-up and skia-y-goes-down
dy = -dy;
}
memset(glyph.fImage, 0, glyph.rowBytes() * glyph.fHeight);
if (SkMask::kLCD16_Format == glyph.fMaskFormat) {
FT_Outline_Translate(outline, dx, dy);
FT_Error err = FT_Render_Glyph(face->glyph, doVert ? FT_RENDER_MODE_LCD_V :
FT_RENDER_MODE_LCD);
if (err) {
SK_TRACEFTR(err, "Could not render glyph.");
return;
}
SkMask mask;
glyph.toMask(&mask);
#ifdef SK_SHOW_TEXT_BLIT_COVERAGE
memset(mask.fImage, 0x80, mask.fBounds.height() * mask.fRowBytes);
#endif
FT_GlyphSlotRec& ftGlyph = *face->glyph;
if (!SkIRect::Intersects(mask.fBounds,
SkIRect::MakeXYWH( ftGlyph.bitmap_left,
-ftGlyph.bitmap_top,
ftGlyph.bitmap.width,
ftGlyph.bitmap.rows)))
{
return;
}
// If the FT_Bitmap extent is larger, discard bits of the bitmap outside the mask.
// If the SkMask extent is larger, shrink mask to fit bitmap (clearing discarded).
unsigned char* origBuffer = ftGlyph.bitmap.buffer;
// First align the top left (origin).
if (-ftGlyph.bitmap_top < mask.fBounds.fTop) {
int32_t topDiff = mask.fBounds.fTop - (-ftGlyph.bitmap_top);
ftGlyph.bitmap.buffer += ftGlyph.bitmap.pitch * topDiff;
ftGlyph.bitmap.rows -= topDiff;
ftGlyph.bitmap_top = -mask.fBounds.fTop;
}
if (ftGlyph.bitmap_left < mask.fBounds.fLeft) {
int32_t leftDiff = mask.fBounds.fLeft - ftGlyph.bitmap_left;
ftGlyph.bitmap.buffer += leftDiff;
ftGlyph.bitmap.width -= leftDiff;
ftGlyph.bitmap_left = mask.fBounds.fLeft;
}
if (mask.fBounds.fTop < -ftGlyph.bitmap_top) {
mask.fImage += mask.fRowBytes * (-ftGlyph.bitmap_top - mask.fBounds.fTop);
mask.fBounds.fTop = -ftGlyph.bitmap_top;
}
if (mask.fBounds.fLeft < ftGlyph.bitmap_left) {
mask.fImage += sizeof(uint16_t) * (ftGlyph.bitmap_left - mask.fBounds.fLeft);
mask.fBounds.fLeft = ftGlyph.bitmap_left;
}
// Origins aligned, clean up the width and height.
int ftVertScale = (doVert ? 3 : 1);
int ftHoriScale = (doVert ? 1 : 3);
if (mask.fBounds.height() * ftVertScale < SkToInt(ftGlyph.bitmap.rows)) {
ftGlyph.bitmap.rows = mask.fBounds.height() * ftVertScale;
}
if (mask.fBounds.width() * ftHoriScale < SkToInt(ftGlyph.bitmap.width)) {
ftGlyph.bitmap.width = mask.fBounds.width() * ftHoriScale;
}
if (SkToInt(ftGlyph.bitmap.rows) < mask.fBounds.height() * ftVertScale) {
mask.fBounds.fBottom = mask.fBounds.fTop + ftGlyph.bitmap.rows / ftVertScale;
}
if (SkToInt(ftGlyph.bitmap.width) < mask.fBounds.width() * ftHoriScale) {
mask.fBounds.fRight = mask.fBounds.fLeft + ftGlyph.bitmap.width / ftHoriScale;
}
if (fPreBlend.isApplicable()) {
copyFT2LCD16<true>(ftGlyph.bitmap, mask, doBGR,
fPreBlend.fR, fPreBlend.fG, fPreBlend.fB);
} else {
copyFT2LCD16<false>(ftGlyph.bitmap, mask, doBGR,
fPreBlend.fR, fPreBlend.fG, fPreBlend.fB);
}
// Restore the buffer pointer so FreeType can properly free it.
ftGlyph.bitmap.buffer = origBuffer;
} else {
FT_BBox bbox;
FT_Bitmap target;
FT_Outline_Get_CBox(outline, &bbox);
/*
//.........这里部分代码省略.........
开发者ID:MIPS，项目名称:external-skia，代码行数:101，代码来源:SkFontHost_FreeType_common.cpp
示例18: ft_smooth_render
/* convert a slot's glyph image into a bitmap */
static FT_Error
ft_smooth_render( FT_Renderer render,
FT_GlyphSlot slot,
FT_UInt mode,
FT_Vector* origin )
{
FT_Error error;
FT_Outline* outline = NULL;
FT_BBox cbox;
FT_UInt width, height, pitch;
FT_Bitmap* bitmap;
FT_Memory memory;
FT_Raster_Params params;
/* check glyph image format */
if ( slot->format != render->glyph_format )
{
error = Smooth_Err_Invalid_Argument;
goto Exit;
}
/* check mode */
if ( mode != ft_render_mode_normal )
return Smooth_Err_Cannot_Render_Glyph;
outline = &slot->outline;
/* translate the outline to the new origin if needed */
if ( origin )
FT_Outline_Translate( outline, origin->x, origin->y );
/* compute the control box, and grid fit it */
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 = ( cbox.xMax - cbox.xMin ) >> 6;
height = ( cbox.yMax - cbox.yMin ) >> 6;
bitmap = &slot->bitmap;
memory = render->root.memory;
/* release old bitmap buffer */
if ( slot->flags & FT_GLYPH_OWN_BITMAP )
{
FT_FREE( bitmap->buffer );
slot->flags &= ~FT_GLYPH_OWN_BITMAP;
}
/* allocate new one, depends on pixel format */
pitch = width;
bitmap->pixel_mode = ft_pixel_mode_grays;
bitmap->num_grays = 256;
bitmap->width = width;
bitmap->rows = height;
bitmap->pitch = pitch;
if ( FT_ALLOC( bitmap->buffer, (FT_ULong)pitch * height ) )
goto Exit;
slot->flags |= FT_GLYPH_OWN_BITMAP;
/* translate outline to render it into the bitmap */
FT_Outline_Translate( outline, -cbox.xMin, -cbox.yMin );
/* set up parameters */
params.target = bitmap;
params.source = outline;
params.flags = ft_raster_flag_aa;
/* render outline into the bitmap */
error = render->raster_render( render->raster, ¶ms );
FT_Outline_Translate( outline, cbox.xMin, cbox.yMin );
if ( error )
goto Exit;
slot->format = ft_glyph_format_bitmap;
slot->bitmap_left = cbox.xMin >> 6;
slot->bitmap_top = cbox.yMax >> 6;
Exit:
if ( outline && origin )
FT_Outline_Translate( outline, -origin->x, -origin->y );
return error;
}
开发者ID:Claruarius，项目名称:stblinux-2.6.37，代码行数:93，代码来源:ftsmooth.c
示例19: cid_slot_load_glyph
//.........这里部分代码省略.........
/* for composite glyphs, return only left side bearing and */
/* advance width */
if ( load_flags & FT_LOAD_NO_RECURSE )
{
FT_Slot_Internal internal = cidglyph->internal;
cidglyph->metrics.horiBearingX =
FIXED_TO_INT( decoder.builder.left_bearing.x );
cidglyph->metrics.horiAdvance =
FIXED_TO_INT( decoder.builder.advance.x );
internal->glyph_matrix = font_matrix;
internal->glyph_delta = font_offset;
internal->glyph_transformed = 1;
}
else
{
FT_BBox cbox;
FT_Glyph_Metrics* metrics = &cidglyph->metrics;
FT_Vector advance;
/* copy the _unscaled_ advance width */
metrics->horiAdvance =
FIXED_TO_INT( decoder.builder.advance.x );
cidglyph->linearHoriAdvance =
FIXED_TO_INT( decoder.builder.advance.x );
cidglyph->internal->glyph_transformed = 0;
/* make up vertical ones */
metrics->vertAdvance = ( face->cid.font_bbox.yMax -
face->cid.font_bbox.yMin ) >> 16;
cidglyph->linearVertAdvance = metrics->vertAdvance;
cidglyph->format = FT_GLYPH_FORMAT_OUTLINE;
if ( cidsize->metrics.y_ppem < 24 )
cidglyph->outline.flags |= FT_OUTLINE_HIGH_PRECISION;
/* apply the font matrix */
FT_Outline_Transform( &cidglyph->outline, &font_matrix );
FT_Outline_Translate( &cidglyph->outline,
font_offset.x,
font_offset.y );
advance.x = metrics->horiAdvance;
advance.y = 0;
FT_Vector_Transform( &advance, &font_matrix );
metrics->horiAdvance = advance.x + font_offset.x;
advance.x = 0;
advance.y = metrics->vertAdvance;
FT_Vector_Transform( &advance, &font_matrix );
metrics->vertAdvance = advance.y + font_offset.y;
if ( ( load_flags & FT_LOAD_NO_SCALE ) == 0 )
{
/* scale the outline and the metrics */
FT_Int n;
FT_Outline* cur = decoder.builder.base;
FT_Vector* vec = cur->points;
FT_Fixed x_scale = glyph->x_scale;
FT_Fixed y_scale = glyph->y_scale;
/* First of all, scale the points */
if ( !hinting || !decoder.builder.hints_funcs )
for ( n
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