- Modifications to compile ImageMagick
This commit is contained in:
Santi Noreña
parent
615ec83706
commit
83522c16c3
3442 changed files with 57 additions and 412926 deletions
527
ImageMagick/coders/pango.c
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527
ImageMagick/coders/pango.c
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% PPPP AAA N N GGGG OOO %
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% P P A A NN N G O O %
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% PPPP AAAAA N N N G GGG O O %
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% P M A A N NN G G O O %
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% P A A N N GGGG OOO %
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% %
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% %
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% Read Pango Markup Language Format %
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% %
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% Software Design %
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% John Cristy %
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% March 2012 %
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% %
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% %
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% Copyright 1999-2013 ImageMagick Studio LLC, a non-profit organization %
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% dedicated to making software imaging solutions freely available. %
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% %
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% You may not use this file except in compliance with the License. You may %
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% obtain a copy of the License at %
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% %
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% http://www.imagemagick.org/script/license.php %
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% %
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% Unless required by applicable law or agreed to in writing, software %
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% distributed under the License is distributed on an "AS IS" BASIS, %
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% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
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% See the License for the specific language governing permissions and %
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% limitations under the License. %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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%
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*/
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/*
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Include declarations.
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*/
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#include "magick/studio.h"
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#include "magick/annotate.h"
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#include "magick/blob.h"
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#include "magick/blob-private.h"
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#include "magick/composite-private.h"
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#include "magick/draw.h"
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#include "magick/draw-private.h"
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#include "magick/exception.h"
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#include "magick/exception-private.h"
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#include "magick/image.h"
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#include "magick/image-private.h"
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#include "magick/list.h"
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#include "magick/magick.h"
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#include "magick/memory_.h"
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#include "magick/module.h"
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#include "magick/monitor.h"
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#include "magick/monitor-private.h"
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#include "magick/option.h"
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#include "magick/pixel-accessor.h"
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#include "magick/property.h"
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#include "magick/quantum-private.h"
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#include "magick/static.h"
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#include "magick/string_.h"
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#include "magick/string-private.h"
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#include "magick/token.h"
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#include "magick/utility.h"
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#if defined(MAGICKCORE_PANGOCAIRO_DELEGATE)
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#include <pango/pango.h>
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#include <pango/pangocairo.h>
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#include <pango/pango-features.h>
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#endif
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#if defined(MAGICKCORE_PANGOCAIRO_DELEGATE)
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% R e a d P A N G O I m a g e %
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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% ReadPANGOImage() reads an image in the Pango Markup Language Format.
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%
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% The format of the ReadPANGOImage method is:
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%
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% Image *ReadPANGOImage(const ImageInfo *image_info,
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% ExceptionInfo *exception)
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%
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% A description of each parameter follows:
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%
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% o image_info: the image info.
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%
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% o exception: return any errors or warnings in this structure.
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%
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*/
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static Image *ReadPANGOImage(const ImageInfo *image_info,
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ExceptionInfo *exception)
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{
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cairo_font_options_t
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*font_options;
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cairo_surface_t
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*surface;
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char
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*caption,
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*property;
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cairo_t
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*cairo_image;
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const char
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*option;
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DrawInfo
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*draw_info;
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Image
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*image;
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MagickBooleanType
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status;
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PangoAlignment
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align;
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PangoContext
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*context;
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PangoFontMap
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*fontmap;
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PangoGravity
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gravity;
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PangoLayout
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*layout;
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PangoRectangle
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extent;
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PixelPacket
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fill_color;
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RectangleInfo
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page;
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register unsigned char
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*p;
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size_t
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stride;
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ssize_t
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y;
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unsigned char
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*pixels;
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/*
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Initialize Image structure.
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*/
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assert(image_info != (const ImageInfo *) NULL);
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assert(image_info->signature == MagickSignature);
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if (image_info->debug != MagickFalse)
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(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
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image_info->filename);
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assert(exception != (ExceptionInfo *) NULL);
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assert(exception->signature == MagickSignature);
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image=AcquireImage(image_info);
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(void) ResetImagePage(image,"0x0+0+0");
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/*
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Format caption.
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*/
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option=GetImageOption(image_info,"filename");
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if (option == (const char *) NULL)
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property=InterpretImageProperties(image_info,image,image_info->filename);
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else
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if (LocaleNCompare(option,"pango:",6) == 0)
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property=InterpretImageProperties(image_info,image,option+6);
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else
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property=InterpretImageProperties(image_info,image,option);
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(void) SetImageProperty(image,"caption",property);
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property=DestroyString(property);
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caption=ConstantString(GetImageProperty(image,"caption"));
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/*
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Get context.
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*/
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fontmap=pango_cairo_font_map_new();
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pango_cairo_font_map_set_resolution(PANGO_CAIRO_FONT_MAP(fontmap),
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image->x_resolution == 0.0 ? 90.0 : image->x_resolution);
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font_options=cairo_font_options_create();
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option=GetImageOption(image_info,"pango:hinting");
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if (option != (const char *) NULL)
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{
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if (LocaleCompare(option,"none") != 0)
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cairo_font_options_set_hint_style(font_options,CAIRO_HINT_STYLE_NONE);
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if (LocaleCompare(option,"full") != 0)
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cairo_font_options_set_hint_style(font_options,CAIRO_HINT_STYLE_FULL);
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}
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context=pango_font_map_create_context(fontmap);
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pango_cairo_context_set_font_options(context,font_options);
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cairo_font_options_destroy(font_options);
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option=GetImageOption(image_info,"pango:language");
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if (option != (const char *) NULL)
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pango_context_set_language(context,pango_language_from_string(option));
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draw_info=CloneDrawInfo(image_info,(DrawInfo *) NULL);
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pango_context_set_base_dir(context,draw_info->direction ==
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RightToLeftDirection ? PANGO_DIRECTION_RTL : PANGO_DIRECTION_LTR);
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switch (draw_info->gravity)
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{
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case NorthGravity:
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{
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gravity=PANGO_GRAVITY_NORTH;
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break;
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}
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case NorthWestGravity:
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case WestGravity:
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case SouthWestGravity:
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{
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gravity=PANGO_GRAVITY_WEST;
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break;
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}
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case NorthEastGravity:
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case EastGravity:
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case SouthEastGravity:
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{
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gravity=PANGO_GRAVITY_EAST;
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break;
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}
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case SouthGravity:
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{
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gravity=PANGO_GRAVITY_SOUTH;
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break;
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}
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default:
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{
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gravity=PANGO_GRAVITY_AUTO;
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break;
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}
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}
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pango_context_set_base_gravity(context,gravity);
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option=GetImageOption(image_info,"pango:gravity-hint");
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if (option != (const char *) NULL)
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{
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if (LocaleCompare(option,"line") == 0)
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pango_context_set_gravity_hint(context,PANGO_GRAVITY_HINT_LINE);
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if (LocaleCompare(option,"natural") == 0)
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pango_context_set_gravity_hint(context,PANGO_GRAVITY_HINT_NATURAL);
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if (LocaleCompare(option,"strong") == 0)
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pango_context_set_gravity_hint(context,PANGO_GRAVITY_HINT_STRONG);
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}
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/*
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Configure layout.
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*/
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layout=pango_layout_new(context);
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option=GetImageOption(image_info,"pango:auto-dir");
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if (option != (const char *) NULL)
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pango_layout_set_auto_dir(layout,1);
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option=GetImageOption(image_info,"pango:ellipsize");
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if (option != (const char *) NULL)
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{
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if (LocaleCompare(option,"end") == 0)
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pango_layout_set_ellipsize(layout,PANGO_ELLIPSIZE_END);
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if (LocaleCompare(option,"middle") == 0)
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pango_layout_set_ellipsize(layout,PANGO_ELLIPSIZE_MIDDLE);
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if (LocaleCompare(option,"none") == 0)
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pango_layout_set_ellipsize(layout,PANGO_ELLIPSIZE_NONE);
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if (LocaleCompare(option,"start") == 0)
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pango_layout_set_ellipsize(layout,PANGO_ELLIPSIZE_START);
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}
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option=GetImageOption(image_info,"pango:justify");
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if ((option != (const char *) NULL) && (IsMagickTrue(option) != MagickFalse))
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pango_layout_set_justify(layout,1);
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option=GetImageOption(image_info,"pango:single-paragraph");
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if ((option != (const char *) NULL) && (IsMagickTrue(option) != MagickFalse))
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pango_layout_set_single_paragraph_mode(layout,1);
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option=GetImageOption(image_info,"pango:wrap");
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if (option != (const char *) NULL)
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{
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if (LocaleCompare(option,"char") == 0)
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pango_layout_set_wrap(layout,PANGO_WRAP_CHAR);
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if (LocaleCompare(option,"word") == 0)
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pango_layout_set_wrap(layout,PANGO_WRAP_WORD);
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if (LocaleCompare(option,"word-char") == 0)
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pango_layout_set_wrap(layout,PANGO_WRAP_WORD_CHAR);
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}
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option=GetImageOption(image_info,"pango:indent");
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if (option != (const char *) NULL)
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pango_layout_set_indent(layout,(int) ((StringToLong(option)*
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(image->x_resolution == 0.0 ? 90.0 : image->x_resolution)*PANGO_SCALE+45)/
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90.0+0.5));
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switch (draw_info->align)
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{
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case CenterAlign: align=PANGO_ALIGN_CENTER; break;
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case RightAlign: align=PANGO_ALIGN_RIGHT; break;
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case LeftAlign: align=PANGO_ALIGN_LEFT; break;
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default:
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{
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if (draw_info->gravity == CenterGravity)
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{
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align=PANGO_ALIGN_CENTER;
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break;
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}
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align=PANGO_ALIGN_LEFT;
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break;
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}
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}
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if ((align != PANGO_ALIGN_CENTER) &&
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(draw_info->direction == RightToLeftDirection))
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align=(PangoAlignment) (PANGO_ALIGN_LEFT+PANGO_ALIGN_RIGHT-align);
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pango_layout_set_alignment(layout,align);
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if (draw_info->font != (char *) NULL)
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{
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PangoFontDescription
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*description;
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/*
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Set font.
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*/
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description=pango_font_description_from_string(draw_info->font);
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pango_font_description_set_size(description,(int) (PANGO_SCALE*
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draw_info->pointsize+0.5));
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pango_layout_set_font_description(layout,description);
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pango_font_description_free(description);
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}
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option=GetImageOption(image_info,"pango:markup");
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if ((option != (const char *) NULL) && (IsMagickTrue(option) == MagickFalse))
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pango_layout_set_text(layout,caption,-1);
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else
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{
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GError
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*error;
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error=(GError *) NULL;
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if (pango_parse_markup(caption,-1,0,NULL,NULL,NULL,&error) == 0)
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(void) ThrowMagickException(exception,GetMagickModule(),CoderError,
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error->message,"`%s'",image_info->filename);
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pango_layout_set_markup(layout,caption,-1);
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}
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pango_layout_context_changed(layout);
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page.x=0;
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page.y=0;
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if (image_info->page != (char *) NULL)
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(void) ParseAbsoluteGeometry(image_info->page,&page);
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if (image->columns == 0)
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{
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pango_layout_get_extents(layout,NULL,&extent);
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image->columns=(extent.x+extent.width+PANGO_SCALE/2)/PANGO_SCALE+2*page.x;
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}
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else
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{
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image->columns-=2*page.x;
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pango_layout_set_width(layout,(int) ((PANGO_SCALE*image->columns*
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(image->x_resolution == 0.0 ? 90.0 : image->x_resolution)+45.0)/90.0+
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0.5));
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}
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if (image->rows == 0)
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{
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pango_layout_get_extents(layout,NULL,&extent);
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image->rows=(extent.y+extent.height+PANGO_SCALE/2)/PANGO_SCALE+2*page.y;
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}
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else
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{
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image->rows-=2*page.y;
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pango_layout_set_height(layout,(int) ((PANGO_SCALE*image->rows*
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(image->y_resolution == 0.0 ? 90.0 : image->y_resolution)+45.0)/90.0+
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0.5));
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}
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/*
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Render markup.
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*/
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stride=(size_t) cairo_format_stride_for_width(CAIRO_FORMAT_ARGB32,
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image->columns);
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pixels=(unsigned char *) AcquireQuantumMemory(image->rows,stride*
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sizeof(*pixels));
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if (pixels == (unsigned char *) NULL)
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{
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draw_info=DestroyDrawInfo(draw_info);
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caption=DestroyString(caption);
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ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
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}
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surface=cairo_image_surface_create_for_data(pixels,CAIRO_FORMAT_ARGB32,
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image->columns,image->rows,stride);
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cairo_image=cairo_create(surface);
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cairo_set_operator(cairo_image,CAIRO_OPERATOR_CLEAR);
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cairo_paint(cairo_image);
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cairo_set_operator(cairo_image,CAIRO_OPERATOR_OVER);
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cairo_translate(cairo_image,page.x,page.y);
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pango_cairo_show_layout(cairo_image,layout);
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cairo_destroy(cairo_image);
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cairo_surface_destroy(surface);
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g_object_unref(layout);
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g_object_unref(fontmap);
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/*
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Convert surface to image.
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*/
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(void) SetImageBackgroundColor(image);
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p=pixels;
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for (y=0; y < (ssize_t) image->rows; y++)
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{
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register PixelPacket
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*q;
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register ssize_t
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x;
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q=GetAuthenticPixels(image,0,y,image->columns,1,exception);
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if (q == (PixelPacket *) NULL)
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break;
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for (x=0; x < (ssize_t) image->columns; x++)
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{
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double
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gamma;
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fill_color.blue=ScaleCharToQuantum(*p++);
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fill_color.green=ScaleCharToQuantum(*p++);
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fill_color.red=ScaleCharToQuantum(*p++);
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fill_color.opacity=QuantumRange-ScaleCharToQuantum(*p++);
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/*
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Disassociate alpha.
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*/
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gamma=1.0-QuantumScale*fill_color.opacity;
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gamma=PerceptibleReciprocal(gamma);
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fill_color.blue*=gamma;
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fill_color.green*=gamma;
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fill_color.red*=gamma;
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MagickCompositeOver(&fill_color,fill_color.opacity,q,(MagickRealType)
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q->opacity,q);
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q++;
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}
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if (SyncAuthenticPixels(image,exception) == MagickFalse)
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break;
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if (image->previous == (Image *) NULL)
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{
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status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
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image->rows);
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if (status == MagickFalse)
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break;
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}
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}
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/*
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Relinquish resources.
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*/
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pixels=(unsigned char *) RelinquishMagickMemory(pixels);
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draw_info=DestroyDrawInfo(draw_info);
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caption=DestroyString(caption);
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return(GetFirstImageInList(image));
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}
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#endif
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% R e g i s t e r P A N G O I m a g e %
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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% RegisterPANGOImage() adds attributes for the Pango Markup Language format to
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% the list of supported formats. The attributes include the image format
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% tag, a method to read and/or write the format, whether the format
|
||||
% supports the saving of more than one frame to the same file or blob,
|
||||
% whether the format supports native in-memory I/O, and a brief
|
||||
% description of the format.
|
||||
%
|
||||
% The format of the RegisterPANGOImage method is:
|
||||
%
|
||||
% size_t RegisterPANGOImage(void)
|
||||
%
|
||||
*/
|
||||
ModuleExport size_t RegisterPANGOImage(void)
|
||||
{
|
||||
char
|
||||
version[MaxTextExtent];
|
||||
|
||||
MagickInfo
|
||||
*entry;
|
||||
|
||||
*version='\0';
|
||||
#if defined(PANGO_VERSION_STRING)
|
||||
(void) FormatLocaleString(version,MaxTextExtent,"Pangocairo %s",
|
||||
PANGO_VERSION_STRING);
|
||||
#endif
|
||||
entry=SetMagickInfo("PANGO");
|
||||
#if defined(MAGICKCORE_PANGOCAIRO_DELEGATE)
|
||||
entry->decoder=(DecodeImageHandler *) ReadPANGOImage;
|
||||
#endif
|
||||
entry->description=ConstantString("Pango Markup Language");
|
||||
if (*version != '\0')
|
||||
entry->version=ConstantString(version);
|
||||
entry->adjoin=MagickFalse;
|
||||
entry->module=ConstantString("PANGO");
|
||||
(void) RegisterMagickInfo(entry);
|
||||
return(MagickImageCoderSignature);
|
||||
}
|
||||
|
||||
/*
|
||||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||||
% %
|
||||
% %
|
||||
% %
|
||||
% U n r e g i s t e r P A N G O I m a g e %
|
||||
% %
|
||||
% %
|
||||
% %
|
||||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||||
%
|
||||
% UnregisterPANGOImage() removes format registrations made by the Pango module
|
||||
% from the list of supported formats.
|
||||
%
|
||||
% The format of the UnregisterPANGOImage method is:
|
||||
%
|
||||
% UnregisterPANGOImage(void)
|
||||
%
|
||||
*/
|
||||
ModuleExport void UnregisterPANGOImage(void)
|
||||
{
|
||||
(void) UnregisterMagickInfo("PANGO");
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue