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gerrit-public.fairphone.software / platform / external / ImageMagick / e848b9adecc9fb64683c77ca01739c4e8017a3ff / . / coders / wmf.c
blob: 3df5101b07c45c82068c9ec483a752bb952dafc8 [file] [log] [blame]
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% W W M M FFFFF %
% W W MM MM F %
% W W W M M M FFF %
% WW WW M M F %
% W W M M F %
% %
% %
% Read Windows Metafile Format %
% %
% Software Design %
% Cristy %
% December 2000 %
% %
% %
% Copyright 1999-2015 ImageMagick Studio LLC, a non-profit organization %
% dedicated to making software imaging solutions freely available. %
% %
% You may not use this file except in compliance with the License. You may %
% obtain a copy of the License at %
% %
% http://www.imagemagick.org/script/license.php %
% %
% Unless required by applicable law or agreed to in writing, software %
% distributed under the License is distributed on an "AS IS" BASIS, %
% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
% See the License for the specific language governing permissions and %
% limitations under the License. %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
*/
/*
Include declarations.
*/
#include "MagickCore/studio.h"
#include "MagickCore/property.h"
#include "MagickCore/blob.h"
#include "MagickCore/blob-private.h"
#include "MagickCore/color.h"
#include "MagickCore/color-private.h"
#include "MagickCore/constitute.h"
#include "MagickCore/exception.h"
#include "MagickCore/exception-private.h"
#include "MagickCore/image.h"
#include "MagickCore/image-private.h"
#include "MagickCore/list.h"
#include "MagickCore/log.h"
#include "MagickCore/magick.h"
#include "MagickCore/memory_.h"
#include "MagickCore/monitor.h"
#include "MagickCore/monitor-private.h"
#include "MagickCore/paint.h"
#include "MagickCore/quantum-private.h"
#include "MagickCore/static.h"
#include "MagickCore/string_.h"
#include "MagickCore/module.h"
#include "MagickCore/type.h"
#include "MagickCore/module.h"
#include "MagickWand/MagickWand.h"
#if defined(__CYGWIN__)
#undef MAGICKCORE_WMF_DELEGATE
#endif
#if defined(MAGICKCORE_WMF_DELEGATE)
#include "libwmf/api.h"
#include "libwmf/eps.h"
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e a d W M F I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% ReadWMFImage() reads an Windows Metafile image file and returns it. It
% allocates the memory necessary for the new Image structure and returns a
% pointer to the new image.
%
% The format of the ReadWMFImage method is:
%
% Image *ReadWMFImage(const ImageInfo *image_info,ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o image_info: the image info.
%
% o exception: return any errors or warnings in this structure.
%
*/
static int WMFReadBlob(void *image)
{
return(ReadBlobByte((Image *) image));
}
static int WMFSeekBlob(void *image,long offset)
{
return((int) SeekBlob((Image *) image,(MagickOffsetType) offset,SEEK_SET));
}
static long WMFTellBlob(void *image)
{
return((long) TellBlob((Image*) image));
}
static Image *ReadWMFImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
char
filename[MaxTextExtent];
int
unique_file;
FILE
*file;
Image
*image;
ImageInfo
*read_info;
MagickBooleanType
status;
size_t
flags;
wmfAPI
*wmf_info;
wmfAPI_Options
options;
wmfD_Rect
bounding_box;
wmf_eps_t
*eps_info;
wmf_error_t
wmf_status;
/*
Read WMF image.
*/
image=AcquireImage(image_info,exception);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
wmf_info=(wmfAPI *) NULL;
flags=0;
flags|=WMF_OPT_IGNORE_NONFATAL;
flags|=WMF_OPT_FUNCTION;
options.function=wmf_eps_function;
wmf_status=wmf_api_create(&wmf_info,(unsigned long) flags,&options);
if (wmf_status != wmf_E_None)
{
if (wmf_info != (wmfAPI *) NULL)
wmf_api_destroy(wmf_info);
ThrowReaderException(DelegateError,"UnableToInitializeWMFLibrary");
}
wmf_status=wmf_bbuf_input(wmf_info,WMFReadBlob,WMFSeekBlob,WMFTellBlob,
(void *) image);
if (wmf_status != wmf_E_None)
{
ipa_device_close(wmf_info);
wmf_api_destroy(wmf_info);
ThrowFileException(exception,FileOpenError,"UnableToOpenFile",
image->filename);
image=DestroyImageList(image);
return((Image *) NULL);
}
wmf_status=wmf_scan(wmf_info,0,&bounding_box);
if (wmf_status != wmf_E_None)
{
ipa_device_close(wmf_info);
wmf_api_destroy(wmf_info);
ThrowReaderException(DelegateError,"FailedToScanFile");
}
eps_info=WMF_EPS_GetData(wmf_info);
file=(FILE *) NULL;
unique_file=AcquireUniqueFileResource(filename);
if (unique_file != -1)
file=fdopen(unique_file,"wb");
if ((unique_file == -1) || (file == (FILE *) NULL))
{
ipa_device_close(wmf_info);
wmf_api_destroy(wmf_info);
ThrowReaderException(FileOpenError,"UnableToCreateTemporaryFile");
}
eps_info->out=wmf_stream_create(wmf_info,file);
eps_info->bbox=bounding_box;
wmf_status=wmf_play(wmf_info,0,&bounding_box);
if (wmf_status != wmf_E_None)
{
ipa_device_close(wmf_info);
wmf_api_destroy(wmf_info);
ThrowReaderException(DelegateError,"FailedToRenderFile");
}
(void) fclose(file);
wmf_api_destroy(wmf_info);
(void) CloseBlob(image);
image=DestroyImage(image);
/*
Read EPS image.
*/
read_info=CloneImageInfo(image_info);
SetImageInfoBlob(read_info,(void *) NULL,0);
(void) FormatLocaleString(read_info->filename,MaxTextExtent,"eps:%s",
filename);
image=ReadImage(read_info,exception);
read_info=DestroyImageInfo(read_info);
if (image != (Image *) NULL)
{
(void) CopyMagickString(image->filename,image_info->filename,
MaxTextExtent);
(void) CopyMagickString(image->magick_filename,image_info->filename,
MaxTextExtent);
(void) CopyMagickString(image->magick,"WMF",MaxTextExtent);
}
(void) RelinquishUniqueFileResource(filename);
return(GetFirstImageInList(image));
}
#elif defined(MAGICKCORE_WMFLITE_DELEGATE)
#define ERR(API) ((API)->err != wmf_E_None)
#define XC(x) ((double) x)
#define YC(y) ((double) y)
#if !defined(M_PI)
# define M_PI MagickPI
#endif
#if defined(MAGICKCORE_HAVE_FT2BUILD_H)
# include <ft2build.h>
#endif
#include "libwmf/fund.h"
#include "libwmf/types.h"
#include "libwmf/api.h"
#undef SRCCOPY
#undef SRCPAINT
#undef SRCAND
#undef SRCINVERT
#undef SRCERASE
#undef NOTSRCCOPY
#undef NOTSRCERASE
#undef MERGECOPY
#undef MERGEPAINT
#undef PATCOPY
#undef PATPAINT
#undef PATINVERT
#undef DSTINVERT
#undef BLACKNESS
#undef WHITENESS
/* The following additinal undefs were required for MinGW */
#undef BS_HOLLOW
#undef PS_STYLE_MASK
#undef PS_ENDCAP_ROUND
#undef PS_ENDCAP_SQUARE
#undef PS_ENDCAP_FLAT
#undef PS_ENDCAP_MASK
#undef PS_JOIN_ROUND
#undef PS_JOIN_BEVEL
#undef PS_JOIN_MITER
#undef PS_COSMETIC
#undef PS_GEOMETRIC
#undef PS_TYPE_MASK
#undef STRETCH_ANDSCANS
#undef STRETCH_ORSCANS
#undef STRETCH_DELETESCANS
#undef STRETCH_HALFTONE
#undef ETO_OPAQUE
#undef ETO_CLIPPED
#undef ETO_GLYPH_INDEX
#undef ETO_RTLREADING
#include "libwmf/defs.h"
#include "libwmf/ipa.h"
#include "libwmf/color.h"
#include "libwmf/macro.h"
/* Unit conversions */
#define TWIPS_PER_INCH 1440
#define CENTIMETERS_PER_INCH 2.54
#define POINTS_PER_INCH 72
#if defined(MAGICKCORE_WMFLITE_DELEGATE)
# define wmf_api_create(api,flags,options) wmf_lite_create(api,flags,options)
# define wmf_api_destroy(api) wmf_lite_destroy(api)
# undef WMF_FONT_PSNAME
# define WMF_FONT_PSNAME(F) ((F)->user_data ? ((wmf_magick_font_t*) (F)->user_data)->ps_name : 0)
typedef struct _wmf_magick_font_t wmf_magick_font_t;
struct _wmf_magick_font_t
{
char* ps_name;
double pointsize;
};
#endif
typedef struct _wmf_magick_t wmf_magick_t;
struct _wmf_magick_t
{
/* Bounding box */
wmfD_Rect
bbox;
/* Scale and translation factors */
double
scale_x,
scale_y,
translate_x,
translate_y,
rotate;
/* Vector output */
DrawingWand
*draw_wand;
ExceptionInfo
*exception;
/* ImageMagick image */
Image
*image;
/* ImageInfo */
const ImageInfo
*image_info;
/* DrawInfo */
DrawInfo
*draw_info;
/* Pattern ID */
unsigned long
pattern_id;
/* Clip path flag */
MagickBooleanType
clipping;
/* Clip path ID */
unsigned long
clip_mask_id;
/* Push depth */
long
push_depth;
};
#define WMF_MAGICK_GetData(Z) ((wmf_magick_t*)((Z)->device_data))
#define WMF_MAGICK_GetFontData(Z) \
((wmf_magick_font_t*)((wmfFontData *)Z->font_data)->user_data)
#define WmfDrawingWand (((wmf_magick_t*)((API)->device_data))->draw_wand)
/* Enum to control whether util_set_brush applies brush to fill or
stroke. */
typedef enum
{
BrushApplyFill,
BrushApplyStroke
} BrushApply;
/* Enum to specify arc type */
typedef enum
{
magick_arc_ellipse = 0,
magick_arc_open,
magick_arc_pie,
magick_arc_chord
}
magick_arc_t;
#if defined(MAGICKCORE_WMFLITE_DELEGATE)
static void lite_font_init (wmfAPI* API, wmfAPI_Options* options);
static void lite_font_map(wmfAPI* API,wmfFont* font);
static float lite_font_stringwidth(wmfAPI* API, wmfFont* font, char* str);
#endif
static void draw_fill_color_rgb(wmfAPI* API, const wmfRGB* rgb);
static void draw_stroke_color_rgb(wmfAPI* API, const wmfRGB* rgb);
static void draw_pattern_push(wmfAPI* API, unsigned long id, unsigned long columns, unsigned long rows);
static int ipa_blob_read(void* wand);
static int ipa_blob_seek(void* wand,long position);
static long ipa_blob_tell(void* wand);
static void ipa_bmp_draw(wmfAPI * API, wmfBMP_Draw_t * bmp_draw);
static void ipa_bmp_free(wmfAPI * API, wmfBMP * bmp);
static void ipa_bmp_read(wmfAPI * API, wmfBMP_Read_t * bmp_read);
static void ipa_device_begin(wmfAPI * API);
static void ipa_device_close(wmfAPI * API);
static void ipa_device_end(wmfAPI * API);
static void ipa_device_open(wmfAPI * API);
static void ipa_draw_arc(wmfAPI * API, wmfDrawArc_t * draw_arc);
static void ipa_draw_chord(wmfAPI * API, wmfDrawArc_t * draw_arc);
static void ipa_draw_ellipse(wmfAPI * API, wmfDrawArc_t * draw_arc);
static void ipa_draw_line(wmfAPI * API, wmfDrawLine_t * draw_line);
static void ipa_draw_pie(wmfAPI * API, wmfDrawArc_t * draw_arc);
static void ipa_draw_pixel(wmfAPI * API, wmfDrawPixel_t * draw_pixel);
static void ipa_draw_polygon(wmfAPI * API, wmfPolyLine_t * poly_line);
#if defined(MAGICKCORE_WMFLITE_DELEGATE)
static void ipa_draw_polypolygon(wmfAPI * API, wmfPolyPoly_t* polypolygon);
#endif
static void ipa_draw_rectangle(wmfAPI * API, wmfDrawRectangle_t * draw_rect);
static void ipa_draw_text(wmfAPI * API, wmfDrawText_t * draw_text);
static void ipa_flood_exterior(wmfAPI * API, wmfFlood_t * flood);
static void ipa_flood_interior(wmfAPI * API, wmfFlood_t * flood);
static void ipa_functions(wmfAPI * API);
static void ipa_poly_line(wmfAPI * API, wmfPolyLine_t * poly_line);
static void ipa_region_clip(wmfAPI * API, wmfPolyRectangle_t * poly_rect);
static void ipa_region_frame(wmfAPI * API, wmfPolyRectangle_t * poly_rect);
static void ipa_region_paint(wmfAPI * API, wmfPolyRectangle_t * poly_rect);
static void ipa_rop_draw(wmfAPI * API, wmfROP_Draw_t * rop_draw);
static void ipa_udata_copy(wmfAPI * API, wmfUserData_t * userdata);
static void ipa_udata_free(wmfAPI * API, wmfUserData_t * userdata);
static void ipa_udata_init(wmfAPI * API, wmfUserData_t * userdata);
static void ipa_udata_set(wmfAPI * API, wmfUserData_t * userdata);
static int magick_progress_callback(void* wand,float quantum);
static void util_draw_arc(wmfAPI * API, wmfDrawArc_t * draw_arc,magick_arc_t finish);
#if defined(MAGICKCORE_WMFLITE_DELEGATE)
/*static int util_font_weight( const char* font );*/
#endif
static double util_pointsize( wmfAPI* API, wmfFont* font, char* str, double font_height, ExceptionInfo *);
static void util_set_brush(wmfAPI * API, wmfDC * dc, const BrushApply brush_apply);
static void util_set_pen(wmfAPI * API, wmfDC * dc);
/* Progress callback */
int magick_progress_callback(void *context,float quantum)
{
Image
*image;
MagickBooleanType
status;
(void) quantum;
image=(Image *) context;
assert(image->signature == MagickSignature);
status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
GetBlobSize(image));
return(status != MagickFalse ? 0 : 1);
}
/* Set fill color */
static void draw_fill_color_string(DrawingWand *drawing_wand,const char *color)
{
PixelWand
*fill_color;
fill_color=NewPixelWand();
PixelSetColor(fill_color,color);
DrawSetFillColor(drawing_wand,fill_color);
fill_color=DestroyPixelWand(fill_color);
}
static void draw_fill_color_rgb( wmfAPI* API, const wmfRGB* rgb )
{
PixelWand
*fill_color;
fill_color=NewPixelWand();
PixelSetRedQuantum(fill_color,ScaleCharToQuantum(rgb->r));
PixelSetGreenQuantum(fill_color,ScaleCharToQuantum(rgb->g));
PixelSetBlueQuantum(fill_color,ScaleCharToQuantum(rgb->b));
PixelSetAlphaQuantum(fill_color,OpaqueAlpha);
DrawSetFillColor(WmfDrawingWand,fill_color);
fill_color=DestroyPixelWand(fill_color);
}
/* Set stroke color */
static void draw_stroke_color_string(DrawingWand *drawing_wand,const char *color)
{
PixelWand
*stroke_color;
stroke_color=NewPixelWand();
PixelSetColor(stroke_color,color);
DrawSetStrokeColor(drawing_wand,stroke_color);
stroke_color=DestroyPixelWand(stroke_color);
}
static void draw_stroke_color_rgb( wmfAPI* API, const wmfRGB* rgb )
{
PixelWand
*stroke_color;
stroke_color=NewPixelWand();
PixelSetRedQuantum(stroke_color,ScaleCharToQuantum(rgb->r));
PixelSetGreenQuantum(stroke_color,ScaleCharToQuantum(rgb->g));
PixelSetBlueQuantum(stroke_color,ScaleCharToQuantum(rgb->b));
PixelSetAlphaQuantum(stroke_color,OpaqueAlpha);
DrawSetStrokeColor(WmfDrawingWand,stroke_color);
stroke_color=DestroyPixelWand(stroke_color);
}
/* Set under color */
static void draw_under_color_string(DrawingWand *drawing_wand,const char *color)
{
PixelWand
*under_color;
under_color=NewPixelWand();
PixelSetColor(under_color,color);
DrawSetTextUnderColor(drawing_wand,under_color);
under_color=DestroyPixelWand(under_color);
}
static void draw_pattern_push( wmfAPI* API,
unsigned long id,
unsigned long columns,
unsigned long rows )
{
char
pattern_id[MaxTextExtent];
(void) FormatLocaleString(pattern_id,MaxTextExtent,"brush_%lu",id);
(void) DrawPushPattern(WmfDrawingWand,pattern_id,0,0,columns,rows);
}
/* Pattern/Bit BLT with raster operation (ROP) support. Invoked by
META_PATBLT, which is equivalent to Windows PatBlt() call, or by
META_DIBBITBLT which is equivalent to Windows BitBlt() call. */
/* The BitBlt function transfers pixels from a rectangular area in one
device wand called the 'source', to a rectangular area of the
same size in another device wand, called the 'destination'. */
static void ipa_rop_draw(wmfAPI * API, wmfROP_Draw_t * rop_draw)
{
/* wmfBrush */
/* *brush = WMF_DC_BRUSH(rop_draw->dc); */
/* wmfBMP */
/* *brush_bmp = WMF_BRUSH_BITMAP(brush); */
if (TO_FILL(rop_draw) == 0)
return;
/* Save graphic wand */
(void) PushDrawingWand(WmfDrawingWand);
/* FIXME: finish implementing (once we know what it is supposed to do!) */
/*
struct _wmfROP_Draw_t
{ wmfDC* dc;
wmfD_Coord TL;
wmfD_Coord BR;
U32 ROP;
double pixel_width;
double pixel_height;
};
*/
/* if (brush_bmp && brush_bmp->data != 0) */
/* printf("Have an image!\n"); */
switch (rop_draw->ROP) /* Ternary raster operations */
{
case SRCCOPY: /* dest = source */
printf("ipa_rop_draw SRCCOPY ROP mode not implemented\n");
break;
case SRCPAINT: /* dest = source OR dest */
printf("ipa_rop_draw SRCPAINT ROP mode not implemented\n");
break;
case SRCAND: /* dest = source AND dest */
printf("ipa_rop_draw SRCAND ROP mode not implemented\n");
break;
case SRCINVERT: /* dest = source XOR dest */
printf("ipa_rop_draw SRCINVERT ROP mode not implemented\n");
break;
case SRCERASE: /* dest = source AND (NOT dest) */
printf("ipa_rop_draw SRCERASE ROP mode not implemented\n");
break;
case NOTSRCCOPY: /* dest = (NOT source) */
printf("ipa_rop_draw NOTSRCCOPY ROP mode not implemented\n");
break;
case NOTSRCERASE: /* dest = (NOT src) AND (NOT dest) */
printf("ipa_rop_draw NOTSRCERASE ROP mode not implemented\n");
break;
case MERGECOPY: /* dest = (source AND pattern) */
printf("ipa_rop_draw MERGECOPY ROP mode not implemented\n");
break;
case MERGEPAINT: /* dest = (NOT source) OR dest */
printf("ipa_rop_draw MERGEPAINT ROP mode not implemented\n");
break;
case PATCOPY: /* dest = pattern */
util_set_brush(API, rop_draw->dc, BrushApplyFill);
break;
case PATPAINT: /* dest = DPSnoo */
printf("ipa_rop_draw PATPAINT ROP mode not implemented\n");
break;
case PATINVERT: /* dest = pattern XOR dest */
printf("ipa_rop_draw PATINVERT ROP mode not implemented\n");
break;
case DSTINVERT: /* dest = (NOT dest) */
printf("ipa_rop_draw DSTINVERT ROP mode not implemented\n");
break;
case BLACKNESS: /* dest = BLACK */
draw_fill_color_string(WmfDrawingWand,"black");
break;
case WHITENESS: /* dest = WHITE */
draw_fill_color_string(WmfDrawingWand,"white");
break;
default:
printf("ipa_rop_draw 0x%x ROP mode not implemented\n", rop_draw->ROP);
break;
}
DrawRectangle(WmfDrawingWand,
XC(rop_draw->TL.x), YC(rop_draw->TL.y),
XC(rop_draw->BR.x), YC(rop_draw->BR.y));
/* Restore graphic wand */
(void) PopDrawingWand(WmfDrawingWand);
}
static void ipa_bmp_draw(wmfAPI *API, wmfBMP_Draw_t *bmp_draw)
{
wmf_magick_t
*ddata = WMF_MAGICK_GetData(API);
ExceptionInfo
*exception;
Image
*image;
MagickWand
*magick_wand;
double
height,
width;
PixelInfo
white;
if (bmp_draw->bmp.data == 0)
return;
image = (Image*)bmp_draw->bmp.data;
if (!image)
return;
exception=ddata->exception;
if (bmp_draw->crop.x || bmp_draw->crop.y ||
(bmp_draw->crop.w != bmp_draw->bmp.width) ||
(bmp_draw->crop.h != bmp_draw->bmp.height))
{
/* Image needs to be cropped */
Image
*crop_image;
RectangleInfo
crop_info;
crop_info.x = bmp_draw->crop.x;
crop_info.y = bmp_draw->crop.y;
crop_info.width = bmp_draw->crop.w;
crop_info.height = bmp_draw->crop.h;
crop_image = CropImage( image, &crop_info, exception );
if (crop_image)
{
image=DestroyImageList(image);
image = crop_image;
bmp_draw->bmp.data = (void*)image;
}
}
QueryColorCompliance( "white", AllCompliance, &white, exception );
if ( ddata->image_info->texture ||
!(IsPixelInfoEquivalent(&ddata->image_info->background_color,&white)) ||
ddata->image_info->background_color.alpha != OpaqueAlpha )
{
/*
Set image white background to transparent so that it may be
overlaid over non-white backgrounds.
*/
QueryColorCompliance( "white", AllCompliance, &white, exception );
TransparentPaintImage( image, &white, QuantumRange, MagickFalse, exception );
}
width = fabs(bmp_draw->pixel_width * (double) bmp_draw->crop.w);
height = fabs(bmp_draw->pixel_height * (double) bmp_draw->crop.h);
magick_wand=NewMagickWandFromImage(image);
(void) DrawComposite(WmfDrawingWand, CopyCompositeOp,
XC(bmp_draw->pt.x) * ddata->scale_x, YC(bmp_draw->pt.y) * ddata->scale_y,
width * ddata->scale_x, height * ddata->scale_y, magick_wand);
magick_wand=DestroyMagickWand(magick_wand);
#if 0
printf("bmp_draw->bmp.data = 0x%lx\n", (long)bmp_draw->bmp.data);
printf("registry id = %li\n", id);
/* printf("pixel_width = %g\n", bmp_draw->pixel_width); */
/* printf("pixel_height = %g\n", bmp_draw->pixel_height); */
printf("bmp_draw->bmp WxH = %ix%i\n", bmp_draw->bmp.width, bmp_draw->bmp.height);
printf("bmp_draw->crop WxH = %ix%i\n", bmp_draw->crop.w, bmp_draw->crop.h);
printf("bmp_draw->crop x,y = %i,%i\n", bmp_draw->crop.x, bmp_draw->crop.y);
printf("image size WxH = %lux%lu\n", image->columns, image->rows);
#endif
}
static void ipa_bmp_read(wmfAPI * API, wmfBMP_Read_t * bmp_read) {
wmf_magick_t
*ddata = WMF_MAGICK_GetData(API);
ExceptionInfo
*exception;
Image
*image;
ImageInfo
*image_info;
bmp_read->bmp.data = 0;
image_info=CloneImageInfo(ddata->image_info);
exception=ddata->exception;
(void) CopyMagickString(image_info->magick,"DIB",MaxTextExtent);
if (bmp_read->width || bmp_read->height)
{
char
size[MaxTextExtent];
(void) FormatLocaleString(size,MaxTextExtent,"%ux%u",bmp_read->width,
bmp_read->height);
CloneString(&image_info->size,size);
}
#if 0
printf("ipa_bmp_read: buffer=0x%lx length=%ld, width=%i, height=%i\n",
(long) bmp_read->buffer, bmp_read->length,
bmp_read->width, bmp_read->height);
#endif
image=BlobToImage(image_info, (const void *) bmp_read->buffer,
bmp_read->length, exception);
image_info=DestroyImageInfo(image_info);
if (image != (Image *) NULL)
{
#if 0
printf("ipa_bmp_read: rows=%ld,columns=%ld\n\n", image->rows, image->columns);
#endif
bmp_read->bmp.data = (void*)image;
bmp_read->bmp.width = (U16)image->columns;
bmp_read->bmp.height = (U16)image->rows;
}
}
static void ipa_bmp_free(wmfAPI * API, wmfBMP * bmp)
{
(void) API;
DestroyImageList((Image*)bmp->data);
bmp->data = (void*) 0;
bmp->width = (U16) 0;
bmp->height = (U16) 0;
}
/*
This called by wmf_play() the *first* time the meta file is played
*/
static void ipa_device_open(wmfAPI * API)
{
wmf_magick_t
*ddata = WMF_MAGICK_GetData (API);
ddata->pattern_id = 0;
ddata->clipping = MagickFalse;
ddata->clip_mask_id = 0;
ddata->push_depth = 0;
ddata->draw_wand = DrawAllocateWand(ddata->draw_info,ddata->image);
}
/*
This called by wmf_api_destroy()
*/
static void ipa_device_close(wmfAPI * API)
{
wmf_magick_t
*ddata = WMF_MAGICK_GetData(API);
if (ddata->draw_wand != (DrawingWand *) NULL)
{
DestroyDrawingWand(ddata->draw_wand);
ddata->draw_wand=(DrawingWand *) NULL;
}
if (ddata->draw_info != (DrawInfo *) NULL)
{
DestroyDrawInfo(ddata->draw_info);
ddata->draw_info=(DrawInfo *)NULL;
}
RelinquishMagickMemory(WMF_MAGICK_GetFontData(API)->ps_name);
}
/*
This called from the beginning of each play for initial page setup
*/
static void ipa_device_begin(wmfAPI * API)
{
char
comment[MaxTextExtent];
wmf_magick_t
*ddata = WMF_MAGICK_GetData(API);
/* Make SVG output happy */
(void) PushDrawingWand(WmfDrawingWand);
DrawSetViewbox(WmfDrawingWand, 0, 0, ddata->image->columns, ddata->image->rows );
(void) FormatLocaleString(comment,MaxTextExtent,"Created by ImageMagick %s",
GetMagickVersion((size_t *) NULL));
DrawComment(WmfDrawingWand,comment);
/* Scale width and height to image */
DrawScale(WmfDrawingWand, ddata->scale_x, ddata->scale_y);
/* Translate to TL corner of bounding box */
DrawTranslate(WmfDrawingWand, ddata->translate_x, ddata->translate_y);
/* Apply rotation */
DrawRotate(WmfDrawingWand, ddata->rotate);
if (ddata->image_info->texture == NULL)
{
PixelWand
*background_color;
/* Draw rectangle in background color */
background_color=NewPixelWand();
PixelSetPixelColor(background_color,&ddata->image->background_color);
DrawSetFillColor(WmfDrawingWand,background_color);
background_color=DestroyPixelWand(background_color);
DrawRectangle(WmfDrawingWand,
XC(ddata->bbox.TL.x),YC(ddata->bbox.TL.y),
XC(ddata->bbox.BR.x),YC(ddata->bbox.BR.y));
}
else
{
/* Draw rectangle with texture image the SVG way */
Image
*image;
ImageInfo
*image_info;
ExceptionInfo
*exception;
exception=AcquireExceptionInfo();
image_info = CloneImageInfo((ImageInfo *) 0);
(void) CopyMagickString(image_info->filename,ddata->image_info->texture,
MaxTextExtent);
if ( ddata->image_info->size )
CloneString(&image_info->size,ddata->image_info->size);
image = ReadImage(image_info,exception);
(void) DestroyExceptionInfo(exception);
image_info=DestroyImageInfo(image_info);
if (image)
{
char
pattern_id[MaxTextExtent];
MagickWand
*magick_wand;
(void) CopyMagickString(image->magick,"MIFF",MaxTextExtent);
DrawPushDefs(WmfDrawingWand);
draw_pattern_push(API,ddata->pattern_id,image->columns,image->rows);
magick_wand=NewMagickWandFromImage(image);
(void) DrawComposite(WmfDrawingWand,CopyCompositeOp,0,0,
image->columns,image->rows,magick_wand);
magick_wand=DestroyMagickWand(magick_wand);
(void) DrawPopPattern(WmfDrawingWand);
DrawPopDefs(WmfDrawingWand);
(void) FormatLocaleString(pattern_id,MaxTextExtent,"#brush_%lu",
ddata->pattern_id);
(void) DrawSetFillPatternURL(WmfDrawingWand,pattern_id);
++ddata->pattern_id;
DrawRectangle(WmfDrawingWand,
XC(ddata->bbox.TL.x),YC(ddata->bbox.TL.y),
XC(ddata->bbox.BR.x),YC(ddata->bbox.BR.y));
image=DestroyImageList(image);
}
else
{
LogMagickEvent(CoderEvent,GetMagickModule(),
"reading texture image failed!");
}
}
DrawSetClipRule(WmfDrawingWand,EvenOddRule); /* Default for WMF is ALTERNATE polygon fill mode */
draw_fill_color_string(WmfDrawingWand,"none"); /* Default brush is WHITE_BRUSH */
draw_stroke_color_string(WmfDrawingWand,"none"); /* Default pen is BLACK_PEN */
DrawSetStrokeLineCap(WmfDrawingWand,ButtCap); /* Default linecap is PS_ENDCAP_FLAT */
DrawSetStrokeLineJoin(WmfDrawingWand,MiterJoin); /* Default linejoin is PS_JOIN_MITER */
draw_under_color_string(WmfDrawingWand,"white"); /* Default text box is white */
}
/*
This called from the end of each play for page termination
*/
static void ipa_device_end(wmfAPI * API)
{
wmf_magick_t
*ddata = WMF_MAGICK_GetData(API);
/* Reset any existing clip paths by popping wand */
if (ddata->clipping)
(void) PopDrawingWand(WmfDrawingWand);
ddata->clipping = MagickFalse;
/* Make SVG output happy */
(void) PopDrawingWand(WmfDrawingWand);
}
static void ipa_flood_interior(wmfAPI * API, wmfFlood_t * flood)
{
/* Save graphic wand */
(void) PushDrawingWand(WmfDrawingWand);
draw_fill_color_rgb(API,&(flood->color));
DrawColor(WmfDrawingWand,XC(flood->pt.x), YC(flood->pt.y),
FillToBorderMethod);
/* Restore graphic wand */
(void) PopDrawingWand(WmfDrawingWand);
}
static void ipa_flood_exterior(wmfAPI * API, wmfFlood_t * flood)
{
/* Save graphic wand */
(void) PushDrawingWand(WmfDrawingWand);
draw_fill_color_rgb(API,&(flood->color));
if (flood->type == FLOODFILLSURFACE)
DrawColor(WmfDrawingWand, XC(flood->pt.x), YC(flood->pt.y),
FloodfillMethod);
else
DrawColor(WmfDrawingWand, XC(flood->pt.x), YC(flood->pt.y),
FillToBorderMethod);
/* Restore graphic wand */
(void) PopDrawingWand(WmfDrawingWand);
}
static void ipa_draw_pixel(wmfAPI * API, wmfDrawPixel_t * draw_pixel)
{
/* Save graphic wand */
(void) PushDrawingWand(WmfDrawingWand);
draw_stroke_color_string(WmfDrawingWand,"none");
draw_fill_color_rgb(API,&(draw_pixel->color));
DrawRectangle(WmfDrawingWand,
XC(draw_pixel->pt.x),
YC(draw_pixel->pt.y),
XC(draw_pixel->pt.x + draw_pixel->pixel_width),
YC(draw_pixel->pt.y + draw_pixel->pixel_height));
/* Restore graphic wand */
(void) PopDrawingWand(WmfDrawingWand);
}
static void ipa_draw_pie(wmfAPI * API, wmfDrawArc_t * draw_arc)
{
util_draw_arc(API, draw_arc, magick_arc_pie);
}
static void ipa_draw_chord(wmfAPI * API, wmfDrawArc_t * draw_arc)
{
util_draw_arc(API, draw_arc, magick_arc_chord);
}
static void ipa_draw_arc(wmfAPI * API, wmfDrawArc_t * draw_arc)
{
util_draw_arc(API, draw_arc, magick_arc_open);
}
static void ipa_draw_ellipse(wmfAPI * API, wmfDrawArc_t * draw_arc)
{
util_draw_arc(API, draw_arc, magick_arc_ellipse);
}
static void util_draw_arc(wmfAPI * API,
wmfDrawArc_t * draw_arc, magick_arc_t finish)
{
wmfD_Coord
BR,
O,
TL,
center,
end,
start;
double
phi_e = 360,
phi_s = 0;
double
Rx,
Ry;
/* Save graphic wand */
(void) PushDrawingWand(WmfDrawingWand);
if (TO_FILL(draw_arc) || TO_DRAW(draw_arc))
{
center.x = (draw_arc->TL.x + draw_arc->BR.x) / 2;
center.y = (draw_arc->TL.y + draw_arc->BR.y) / 2;
start = center;
end = center;
if (finish != magick_arc_ellipse)
{
draw_arc->start.x += center.x;
draw_arc->start.y += center.y;
draw_arc->end.x += center.x;
draw_arc->end.y += center.y;
}
TL = draw_arc->TL;
BR = draw_arc->BR;
O = center;
if (finish != magick_arc_ellipse)
{
start = draw_arc->start;
end = draw_arc->end;
}
Rx = (BR.x - TL.x) / 2;
Ry = (BR.y - TL.y) / 2;
if (finish != magick_arc_ellipse)
{
start.x -= O.x;
start.y -= O.y;
end.x -= O.x;
end.y -= O.y;
phi_s = atan2((double) start.y, (double) start.x) * 180 / MagickPI;
phi_e = atan2((double) end.y, (double) end.x) * 180 / MagickPI;
if (phi_e <= phi_s)
phi_e += 360;
}
util_set_pen(API, draw_arc->dc);
if (finish == magick_arc_open)
draw_fill_color_string(WmfDrawingWand,"none");
else
util_set_brush(API, draw_arc->dc, BrushApplyFill);
if (finish == magick_arc_ellipse)
DrawEllipse(WmfDrawingWand, XC(O.x), YC(O.y), Rx, Ry, 0, 360);
else if (finish == magick_arc_pie)
{
DrawPathStart(WmfDrawingWand);
DrawPathMoveToAbsolute(WmfDrawingWand, XC(O.x+start.x),
YC(O.y+start.y));
DrawPathEllipticArcAbsolute(WmfDrawingWand, Rx, Ry, 0, MagickFalse,
MagickTrue, XC(O.x+end.x), YC(O.y+end.y));
DrawPathLineToAbsolute(WmfDrawingWand, XC(O.x), YC(O.y));
DrawPathClose(WmfDrawingWand);
DrawPathFinish(WmfDrawingWand);
}
else if (finish == magick_arc_chord)
{
DrawArc(WmfDrawingWand, XC(draw_arc->TL.x), YC(draw_arc->TL.y),
XC(draw_arc->BR.x), XC(draw_arc->BR.y), phi_s, phi_e);
DrawLine(WmfDrawingWand, XC(draw_arc->BR.x-start.x),
YC(draw_arc->BR.y-start.y), XC(draw_arc->BR.x-end.x),
YC(draw_arc->BR.y-end.y));
}
else /* if (finish == magick_arc_open) */
DrawArc(WmfDrawingWand, XC(draw_arc->TL.x), YC(draw_arc->TL.y),
XC(draw_arc->BR.x), XC(draw_arc->BR.y), phi_s, phi_e);
}
/* Restore graphic wand */
(void) PopDrawingWand(WmfDrawingWand);
}
static void ipa_draw_line(wmfAPI * API, wmfDrawLine_t * draw_line)
{
/* Save graphic wand */
(void) PushDrawingWand(WmfDrawingWand);
if (TO_DRAW(draw_line))
{
util_set_pen(API, draw_line->dc);
DrawLine(WmfDrawingWand,
XC(draw_line->from.x), YC(draw_line->from.y),
XC(draw_line->to.x), YC(draw_line->to.y));
}
/* Restore graphic wand */
(void) PopDrawingWand(WmfDrawingWand);
}
static void ipa_poly_line(wmfAPI * API, wmfPolyLine_t * polyline)
{
if (polyline->count <= 2)
return;
if (TO_DRAW(polyline))
{
int
point;
/* Save graphic wand */
(void) PushDrawingWand(WmfDrawingWand);
util_set_pen(API, polyline->dc);
DrawPathStart(WmfDrawingWand);
DrawPathMoveToAbsolute(WmfDrawingWand,
XC(polyline->pt[0].x),
YC(polyline->pt[0].y));
for (point = 1; point < polyline->count; point++)
{
DrawPathLineToAbsolute(WmfDrawingWand,
XC(polyline->pt[point].x),
YC(polyline->pt[point].y));
}
DrawPathFinish(WmfDrawingWand);
/* Restore graphic wand */
(void) PopDrawingWand(WmfDrawingWand);
}
}
static void ipa_draw_polygon(wmfAPI * API, wmfPolyLine_t * polyline)
{
if (polyline->count <= 2)
return;
if (TO_FILL(polyline) || TO_DRAW(polyline))
{
int
point;
/* Save graphic wand */
(void) PushDrawingWand(WmfDrawingWand);
util_set_pen(API, polyline->dc);
util_set_brush(API, polyline->dc, BrushApplyFill);
DrawPathStart(WmfDrawingWand);
DrawPathMoveToAbsolute(WmfDrawingWand,
XC(polyline->pt[0].x),
YC(polyline->pt[0].y));
for (point = 1; point < polyline->count; point++)
{
DrawPathLineToAbsolute(WmfDrawingWand,
XC(polyline->pt[point].x),
YC(polyline->pt[point].y));
}
DrawPathClose(WmfDrawingWand);
DrawPathFinish(WmfDrawingWand);
/* Restore graphic wand */
(void) PopDrawingWand(WmfDrawingWand);
}
}
/* Draw a polypolygon. A polypolygon is a list of polygons */
#if defined(MAGICKCORE_WMFLITE_DELEGATE)
static void ipa_draw_polypolygon(wmfAPI * API, wmfPolyPoly_t* polypolygon)
{
if (TO_FILL(polypolygon) || TO_DRAW(polypolygon))
{
int
polygon,
point;
wmfPolyLine_t
polyline;
/* Save graphic wand */
(void) PushDrawingWand(WmfDrawingWand);
util_set_pen(API, polypolygon->dc);
util_set_brush(API, polypolygon->dc, BrushApplyFill);
DrawPathStart(WmfDrawingWand);
for (polygon = 0; polygon < polypolygon->npoly; polygon++)
{
polyline.dc = polypolygon->dc;
polyline.pt = polypolygon->pt[polygon];
polyline.count = polypolygon->count[polygon];
if ((polyline.count > 2) && polyline.pt)
{
DrawPathMoveToAbsolute(WmfDrawingWand,
XC(polyline.pt[0].x),
YC(polyline.pt[0].y));
for (point = 1; point < polyline.count; point++)
{
DrawPathLineToAbsolute(WmfDrawingWand,
XC(polyline.pt[point].x),
YC(polyline.pt[point].y));
}
DrawPathClose(WmfDrawingWand);
}
}
DrawPathFinish(WmfDrawingWand);
/* Restore graphic wand */
(void) PopDrawingWand(WmfDrawingWand);
}
}
#endif
static void ipa_draw_rectangle(wmfAPI * API, wmfDrawRectangle_t * draw_rect)
{
/* Save graphic wand */
(void) PushDrawingWand(WmfDrawingWand);
if (TO_FILL(draw_rect) || TO_DRAW(draw_rect))
{
util_set_pen(API, draw_rect->dc);
util_set_brush(API, draw_rect->dc, BrushApplyFill);
if ((draw_rect->width > 0) || (draw_rect->height > 0))
DrawRoundRectangle(WmfDrawingWand,
XC(draw_rect->TL.x), YC(draw_rect->TL.y),
XC(draw_rect->BR.x), YC(draw_rect->BR.y),
draw_rect->width / 2, draw_rect->height / 2);
else
DrawRectangle(WmfDrawingWand,
XC(draw_rect->TL.x), YC(draw_rect->TL.y),
XC(draw_rect->BR.x), YC(draw_rect->BR.y));
}
/* Restore graphic wand */
(void) PopDrawingWand(WmfDrawingWand);
}
/* Draw an un-filled rectangle using the current brush */
static void ipa_region_frame(wmfAPI * API, wmfPolyRectangle_t * poly_rect)
{
/* Save graphic wand */
(void) PushDrawingWand(WmfDrawingWand);
if (TO_FILL(poly_rect) || TO_DRAW(poly_rect))
{
long
i;
draw_fill_color_string(WmfDrawingWand,"none");
util_set_brush(API, poly_rect->dc, BrushApplyStroke);
for (i = 0; i < (long) poly_rect->count; i++)
{
DrawRectangle(WmfDrawingWand,
XC(poly_rect->TL[i].x), YC(poly_rect->TL[i].y),
XC(poly_rect->BR[i].x), YC(poly_rect->BR[i].y));
}
}
/* Restore graphic wand */
(void) PopDrawingWand(WmfDrawingWand);
}
static void ipa_region_paint(wmfAPI * API, wmfPolyRectangle_t * poly_rect)
{
if (poly_rect->count == 0)
return;
/* Save graphic wand */
(void) PushDrawingWand(WmfDrawingWand);
if (TO_FILL (poly_rect))
{
long
i;
draw_stroke_color_string(WmfDrawingWand,"none");
util_set_brush(API, poly_rect->dc, BrushApplyFill);
for (i = 0; i < (long) poly_rect->count; i++)
{
DrawRectangle(WmfDrawingWand,
XC(poly_rect->TL[i].x), YC(poly_rect->TL[i].y),
XC(poly_rect->BR[i].x), YC(poly_rect->BR[i].y));
}
}
/* Restore graphic wand */
(void) PopDrawingWand(WmfDrawingWand);
}
static void ipa_region_clip(wmfAPI *API, wmfPolyRectangle_t *poly_rect)
{
long
i;
wmf_magick_t
*ddata = WMF_MAGICK_GetData (API);
/* Reset any existing clip paths by popping wand */
if (ddata->clipping)
(void) PopDrawingWand(WmfDrawingWand);
ddata->clipping = MagickFalse;
if (poly_rect->count > 0)
{
char
clip_mask_id[MaxTextExtent];
/* Define clip path */
ddata->clip_mask_id++;
DrawPushDefs(WmfDrawingWand);
(void) FormatLocaleString(clip_mask_id,MaxTextExtent,"clip_%lu",
ddata->clip_mask_id);
DrawPushClipPath(WmfDrawingWand,clip_mask_id);
(void) PushDrawingWand(WmfDrawingWand);
for (i = 0; i < (long) poly_rect->count; i++)
{
DrawRectangle(WmfDrawingWand,
XC(poly_rect->TL[i].x), YC(poly_rect->TL[i].y),
XC(poly_rect->BR[i].x), YC(poly_rect->BR[i].y));
}
(void) PopDrawingWand(WmfDrawingWand);
DrawPopClipPath(WmfDrawingWand);
DrawPopDefs(WmfDrawingWand);
/* Push wand for new clip paths */
(void) PushDrawingWand(WmfDrawingWand);
(void) DrawSetClipPath(WmfDrawingWand,clip_mask_id);
ddata->clipping = MagickTrue;
}
}
static void ipa_functions(wmfAPI *API)
{
wmf_magick_t
*ddata = 0;
wmfFunctionReference
*FR = (wmfFunctionReference *) API->function_reference;
/*
IPA function reference links
*/
FR->device_open = ipa_device_open;
FR->device_close = ipa_device_close;
FR->device_begin = ipa_device_begin;
FR->device_end = ipa_device_end;
FR->flood_interior = ipa_flood_interior;
FR->flood_exterior = ipa_flood_exterior;
FR->draw_pixel = ipa_draw_pixel;
FR->draw_pie = ipa_draw_pie;
FR->draw_chord = ipa_draw_chord;
FR->draw_arc = ipa_draw_arc;
FR->draw_ellipse = ipa_draw_ellipse;
FR->draw_line = ipa_draw_line;
FR->poly_line = ipa_poly_line;
FR->draw_polygon = ipa_draw_polygon;
#if defined(MAGICKCORE_WMFLITE_DELEGATE)
FR->draw_polypolygon = ipa_draw_polypolygon;
#endif
FR->draw_rectangle = ipa_draw_rectangle;
FR->rop_draw = ipa_rop_draw;
FR->bmp_draw = ipa_bmp_draw;
FR->bmp_read = ipa_bmp_read;
FR->bmp_free = ipa_bmp_free;
FR->draw_text = ipa_draw_text;
FR->udata_init = ipa_udata_init;
FR->udata_copy = ipa_udata_copy;
FR->udata_set = ipa_udata_set;
FR->udata_free = ipa_udata_free;
FR->region_frame = ipa_region_frame;
FR->region_paint = ipa_region_paint;
FR->region_clip = ipa_region_clip;
/*
Allocate device data structure
*/
ddata = (wmf_magick_t *) wmf_malloc(API, sizeof(wmf_magick_t));
if (ERR(API))
return;
(void) ResetMagickMemory((void *) ddata, 0, sizeof(wmf_magick_t));
API->device_data = (void *) ddata;
/*
Device data defaults
*/
ddata->image = 0;
}
static void ipa_draw_text(wmfAPI * API, wmfDrawText_t * draw_text)
{
double
angle = 0, /* text rotation angle */
bbox_height, /* bounding box height */
bbox_width, /* bounding box width */
pointsize = 0; /* pointsize to output font with desired height */
ExceptionInfo
*exception;
TypeMetric
metrics;
wmfD_Coord
BL, /* bottom left of bounding box */
BR, /* bottom right of bounding box */
TL, /* top left of bounding box */
TR; /* top right of bounding box */
wmfD_Coord
point; /* text placement point */
wmfFont
*font;
wmf_magick_t
* ddata = WMF_MAGICK_GetData(API);
point = draw_text->pt;
/* Choose bounding box and calculate its width and height */
{
double dx,
dy;
if ( draw_text->flags)
{
TL = draw_text->TL;
BR = draw_text->BR;
TR.x = draw_text->BR.x;
TR.y = draw_text->TL.y;
BL.x = draw_text->TL.x;
BL.y = draw_text->BR.y;
}
else
{
TL = draw_text->bbox.TL;
BR = draw_text->bbox.BR;
TR = draw_text->bbox.TR;
BL = draw_text->bbox.BL;
}
dx = ((TR.x - TL.x) + (BR.x - BL.x)) / 2;
dy = ((TR.y - TL.y) + (BR.y - BL.y)) / 2;
bbox_width = hypot(dx,dy);
dx = ((BL.x - TL.x) + (BR.x - TR.x)) / 2;
dy = ((BL.y - TL.y) + (BR.y - TR.y)) / 2;
bbox_height = hypot(dx,dy);
}
font = WMF_DC_FONT(draw_text->dc);
/* Convert font_height to equivalent pointsize */
exception=ddata->exception;
pointsize = util_pointsize( API, font, draw_text->str, draw_text->font_height, exception);
/* Save graphic wand */
(void) PushDrawingWand(WmfDrawingWand);
(void) bbox_width;
(void) bbox_height;
#if 0
printf("\nipa_draw_text\n");
printf("Text = \"%s\"\n", draw_text->str);
/* printf("WMF_FONT_NAME: = \"%s\"\n", WMF_FONT_NAME(font)); */
printf("WMF_FONT_PSNAME: = \"%s\"\n", WMF_FONT_PSNAME(font));
printf("Bounding box TL=%g,%g BR=%g,%g\n",
TL.x, TL.y, BR.x, BR.y );
/* printf("Text box = %gx%g\n", bbox_width, bbox_height); */
/* printf("WMF_FONT_HEIGHT = %i\n", (int)WMF_FONT_HEIGHT(font)); */
printf("Pointsize = %g\n", pointsize);
fflush(stdout);
#endif
/*
* Obtain font metrics if required
*
*/
if ((WMF_DC_TEXTALIGN(draw_text->dc) & TA_CENTER) ||
(WMF_TEXT_UNDERLINE(font)) || (WMF_TEXT_STRIKEOUT(font)))
{
Image
*image = ddata->image;
DrawInfo
*draw_info;
draw_info=ddata->draw_info;
draw_info->font=WMF_FONT_PSNAME(font);
draw_info->pointsize = pointsize;
draw_info->text=draw_text->str;
if (GetTypeMetrics(image, draw_info, &metrics, exception) != MagickFalse)
{
/* Center the text if it is not yet centered and should be */
if ((WMF_DC_TEXTALIGN(draw_text->dc) & TA_CENTER))
{
double
text_width = metrics.width * (ddata->scale_y / ddata->scale_x);
#if defined(MAGICKCORE_WMFLITE_DELEGATE)
point.x -= text_width / 2;
#else
point.x += bbox_width / 2 - text_width / 2;
#endif
}
}
draw_info->font=NULL;
draw_info->text=NULL;
}
/* Set text background color */
if (draw_text->flags & ETO_OPAQUE)
{
/* Draw bounding-box background color (META_EXTTEXTOUT mode) */
draw_stroke_color_string(WmfDrawingWand,"none");
draw_fill_color_rgb(API,WMF_DC_BACKGROUND(draw_text->dc));
DrawRectangle(WmfDrawingWand,
XC(draw_text->TL.x),YC(draw_text->TL.y),
XC(draw_text->BR.x),YC(draw_text->BR.y));
draw_fill_color_string(WmfDrawingWand,"none");
}
else
{
/* Set text undercolor */
if (WMF_DC_OPAQUE(draw_text->dc))
{
wmfRGB
*box = WMF_DC_BACKGROUND(draw_text->dc);
PixelWand
*under_color;
under_color=NewPixelWand();
PixelSetRedQuantum(under_color,ScaleCharToQuantum(box->r));
PixelSetGreenQuantum(under_color,ScaleCharToQuantum(box->g));
PixelSetBlueQuantum(under_color,ScaleCharToQuantum(box->b));
PixelSetAlphaQuantum(under_color,OpaqueAlpha);
DrawSetTextUnderColor(WmfDrawingWand,under_color);
under_color=DestroyPixelWand(under_color);
}
else
draw_under_color_string(WmfDrawingWand,"none");
}
/* Set text clipping (META_EXTTEXTOUT mode) */
if ( draw_text->flags & ETO_CLIPPED)
{
}
/* Set stroke color */
draw_stroke_color_string(WmfDrawingWand,"none");
/* Set fill color */
draw_fill_color_rgb(API,WMF_DC_TEXTCOLOR(draw_text->dc));
/* Output font size */
(void) DrawSetFontSize(WmfDrawingWand,pointsize);
/* Output Postscript font name */
(void) DrawSetFont(WmfDrawingWand, WMF_FONT_PSNAME(font));
/* Translate coordinates so target is 0,0 */
DrawTranslate(WmfDrawingWand, XC(point.x), YC(point.y));
/* Transform horizontal scale to draw text at 1:1 ratio */
DrawScale(WmfDrawingWand, ddata->scale_y / ddata->scale_x, 1.0);
/* Apply rotation */
/* ImageMagick's drawing rotation is clockwise from horizontal
while WMF drawing rotation is counterclockwise from horizontal */
angle = fabs(RadiansToDegrees(2 * MagickPI - WMF_TEXT_ANGLE(font)));
if (angle == 360)
angle = 0;
if (angle != 0)
DrawRotate(WmfDrawingWand, angle);
/*
* Render text
*
*/
/* Output string */
DrawAnnotation(WmfDrawingWand, 0, 0, (unsigned char*)draw_text->str);
/* Underline text the Windows way (at the bottom) */
if (WMF_TEXT_UNDERLINE(font))
{
double
line_height;
wmfD_Coord
ulBR, /* bottom right of underline rectangle */
ulTL; /* top left of underline rectangle */
line_height = ((double)1/(ddata->scale_x))*metrics.underline_thickness;
if (metrics.underline_thickness < 1.5)
line_height *= 0.55;
ulTL.x = 0;
ulTL.y = fabs(metrics.descent) - line_height;
ulBR.x = metrics.width;
ulBR.y = fabs(metrics.descent);
DrawRectangle(WmfDrawingWand,
XC(ulTL.x), YC(ulTL.y), XC(ulBR.x), YC(ulBR.y));
}
/* Strikeout text the Windows way */
if (WMF_TEXT_STRIKEOUT(font))
{
double line_height;
wmfD_Coord
ulBR, /* bottom right of strikeout rectangle */
ulTL; /* top left of strikeout rectangle */
line_height = ((double)1/(ddata->scale_x))*metrics.underline_thickness;
if (metrics.underline_thickness < 2.0)
line_height *= 0.55;
ulTL.x = 0;
ulTL.y = -(((double) metrics.ascent) / 2 + line_height / 2);
ulBR.x = metrics.width;
ulBR.y = -(((double) metrics.ascent) / 2 - line_height / 2);
DrawRectangle(WmfDrawingWand,
XC(ulTL.x), YC(ulTL.y), XC(ulBR.x), YC(ulBR.y));
}
/* Restore graphic wand */
(void) PopDrawingWand(WmfDrawingWand);
#if 0
(void) PushDrawingWand(WmfDrawingWand);
draw_stroke_color_string(WmfDrawingWand,"red");
draw_fill_color_string(WmfDrawingWand,"none");
DrawRectangle(WmfDrawingWand,
XC(TL.x), YC(TL.y),
XC(BR.x), YC(BR.y));
draw_stroke_color_string(WmfDrawingWand,"none");
(void) PopDrawingWand(WmfDrawingWand);
#endif
}
static void ipa_udata_init(wmfAPI * API, wmfUserData_t * userdata)
{
(void) API;
(void) userdata;
/* wmf_magick_t* ddata = WMF_MAGICK_GetData (API); */
}
static void ipa_udata_copy(wmfAPI * API, wmfUserData_t * userdata)
{
(void) API;
(void) userdata;
/* wmf_magick_t* ddata = WMF_MAGICK_GetData (API); */
}
static void ipa_udata_set(wmfAPI * API, wmfUserData_t * userdata)
{
(void) API;
(void) userdata;
/* wmf_magick_t* ddata = WMF_MAGICK_GetData (API); */
}
static void ipa_udata_free(wmfAPI *API, wmfUserData_t *userdata)
{
(void) API;
(void) userdata;
/* wmf_magick_t* ddata = WMF_MAGICK_GetData (API); */
}
static void util_set_brush(wmfAPI *API, wmfDC *dc,const BrushApply brush_apply)
{
wmf_magick_t
*ddata = WMF_MAGICK_GetData(API);
wmfBrush
*brush = WMF_DC_BRUSH(dc);
/* Set polygon fill rule */
switch (WMF_DC_POLYFILL(dc)) /* Is this correct ?? */
{
case WINDING:
DrawSetClipRule(WmfDrawingWand,NonZeroRule);
break;
case ALTERNATE:
default:
DrawSetClipRule(WmfDrawingWand,EvenOddRule);
break;
}
switch (WMF_BRUSH_STYLE(brush))
{
case BS_SOLID /* 0 */:
/* WMF_BRUSH_COLOR specifies brush color, WMF_BRUSH_HATCH
ignored */
{
if ( brush_apply == BrushApplyStroke )
draw_stroke_color_rgb(API,WMF_BRUSH_COLOR(brush));
else
draw_fill_color_rgb(API,WMF_BRUSH_COLOR(brush));
break;
}
case BS_HOLLOW /* 1 */: /* BS_HOLLOW & BS_NULL share enum */
/* WMF_BRUSH_COLOR and WMF_BRUSH_HATCH ignored */
{
if ( brush_apply == BrushApplyStroke )
draw_stroke_color_string(WmfDrawingWand,"none");
else
draw_fill_color_string(WmfDrawingWand,"none");
break;
}
case BS_HATCHED /* 2 */:
/* WMF_BRUSH_COLOR specifies the hatch color, WMF_BRUSH_HATCH
specifies the hatch brush style. If WMF_DC_OPAQUE, then
WMF_DC_BACKGROUND specifies hatch background color. */
{
DrawPushDefs(WmfDrawingWand);
draw_pattern_push(API, ddata->pattern_id, 8, 8);
(void) PushDrawingWand(WmfDrawingWand);
if (WMF_DC_OPAQUE(dc))
{
if ( brush_apply == BrushApplyStroke )
draw_stroke_color_rgb(API,WMF_DC_BACKGROUND(dc));
else
draw_fill_color_rgb(API,WMF_DC_BACKGROUND(dc));
DrawRectangle(WmfDrawingWand, 0, 0, 7, 7 );
}
DrawSetStrokeAntialias(WmfDrawingWand, MagickFalse);
DrawSetStrokeWidth(WmfDrawingWand, 1);
draw_stroke_color_rgb(API,WMF_BRUSH_COLOR(brush));
switch ((unsigned int) WMF_BRUSH_HATCH(brush))
{
case HS_HORIZONTAL: /* ----- */
{
DrawLine(WmfDrawingWand, 0, 3, 7,3);
break;
}
case HS_VERTICAL: /* ||||| */
{
DrawLine(WmfDrawingWand, 3, 0, 3, 7);
break;
}
case HS_FDIAGONAL: /* \\\\\ */
{
DrawLine(WmfDrawingWand, 0, 0, 7, 7);
break;
}
case HS_BDIAGONAL: /* / */
{
DrawLine(WmfDrawingWand, 0, 7, 7, 0 );
break;
}
case HS_CROSS: /* +++++ */
{
DrawLine(WmfDrawingWand, 0, 3, 7, 3 );
DrawLine(WmfDrawingWand, 3, 0, 3, 7 );
break;
}
case HS_DIAGCROSS: /* xxxxx */
{
DrawLine(WmfDrawingWand, 0, 0, 7, 7 );
DrawLine(WmfDrawingWand, 0, 7, 7, 0 );
break;
}
default:
{
printf("util_set_brush: unexpected brush hatch enumeration %u\n",
(unsigned int)WMF_BRUSH_HATCH(brush));
}
}
(void) PopDrawingWand(WmfDrawingWand);
(void) DrawPopPattern(WmfDrawingWand);
DrawPopDefs(WmfDrawingWand);
{
char
pattern_id[MaxTextExtent];
(void) FormatLocaleString(pattern_id,MaxTextExtent,"#brush_%lu",
ddata->pattern_id);
if (brush_apply == BrushApplyStroke )
(void) DrawSetStrokePatternURL(WmfDrawingWand,pattern_id);
else
(void) DrawSetFillPatternURL(WmfDrawingWand,pattern_id);
++ddata->pattern_id;
}
break;
}
case BS_PATTERN /* 3 */:
/* WMF_BRUSH_COLOR ignored, WMF_BRUSH_HATCH provides handle to
bitmap */
{
printf("util_set_brush: BS_PATTERN not supported\n");
break;
}
case BS_INDEXED /* 4 */:
{
printf("util_set_brush: BS_INDEXED not supported\n");
break;
}
case BS_DIBPATTERN /* 5 */:
{
wmfBMP
*brush_bmp = WMF_BRUSH_BITMAP(brush);
if (brush_bmp && brush_bmp->data != 0)
{
CompositeOperator
mode;
const Image
*image;
MagickWand
*magick_wand;
image = (Image*)brush_bmp->data;
mode = CopyCompositeOp; /* Default is copy */
switch (WMF_DC_ROP(dc))
{
/* Binary raster ops */
case R2_BLACK:
printf("util_set_brush: R2_BLACK ROP2 mode not supported!\n");
break;
case R2_NOTMERGEPEN:
printf("util_set_brush: R2_NOTMERGEPEN ROP2 mode not supported!\n");
break;
case R2_MASKNOTPEN:
printf("util_set_brush R2_MASKNOTPEN ROP2 mode not supported!\n");
break;
case R2_NOTCOPYPEN:
printf("util_set_brush: R2_NOTCOPYPEN ROP2 mode not supported!\n");
break;
case R2_MASKPENNOT:
printf("util_set_brush: R2_MASKPENNOT ROP2 mode not supported!\n");
break;
case R2_NOT:
printf("util_set_brush: R2_NOT ROP2 mode not supported!\n");
break;
case R2_XORPEN:
printf("util_set_brush: R2_XORPEN ROP2 mode not supported!\n");
break;
case R2_NOTMASKPEN:
printf("util_set_brush: R2_NOTMASKPEN ROP2 mode not supported!\n");
break;
case R2_MASKPEN:
printf("util_set_brush: R2_MASKPEN ROP2 mode not supported!\n");
break;
case R2_NOTXORPEN:
printf("util_set_brush: R2_NOTXORPEN ROP2 mode not supported!\n");
break;
case R2_NOP:
printf("util_set_brush: R2_NOP ROP2 mode not supported!\n");
break;
case R2_MERGENOTPEN:
printf("util_set_brush: R2_MERGENOTPEN ROP2 mode not supported!\n");
break;
case R2_COPYPEN:
mode = CopyCompositeOp;
break;
case R2_MERGEPENNOT:
printf("util_set_brush: R2_MERGEPENNOT ROP2 mode not supported!\n");
break;
case R2_MERGEPEN:
printf("util_set_brush: R2_MERGEPEN ROP2 mode not supported!\n");
break;
case R2_WHITE:
printf("util_set_brush: R2_WHITE ROP2 mode not supported!\n");
break;
default:
{
printf("util_set_brush: unexpected ROP2 enumeration %u!\n",
(unsigned int)WMF_DC_ROP(dc));
}
}
DrawPushDefs(WmfDrawingWand);
draw_pattern_push(API, ddata->pattern_id, brush_bmp->width,
brush_bmp->height);
magick_wand=NewMagickWandFromImage(image);
(void) DrawComposite(WmfDrawingWand,mode, 0, 0, brush_bmp->width,
brush_bmp->height, magick_wand);
magick_wand=DestroyMagickWand(magick_wand);
(void) DrawPopPattern(WmfDrawingWand);
DrawPopDefs(WmfDrawingWand);
{
char
pattern_id[MaxTextExtent];
(void) FormatLocaleString(pattern_id,MaxTextExtent,"#brush_%lu",
ddata->pattern_id);
if ( brush_apply == BrushApplyStroke )
(void) DrawSetStrokePatternURL(WmfDrawingWand,pattern_id);
else
(void) DrawSetFillPatternURL(WmfDrawingWand,pattern_id);
++ddata->pattern_id;
}
}
else
printf("util_set_brush: no BMP image data!\n");
break;
}
case BS_DIBPATTERNPT /* 6 */:
/* WMF_BRUSH_COLOR ignored, WMF_BRUSH_HATCH provides pointer to
DIB */
{
printf("util_set_brush: BS_DIBPATTERNPT not supported\n");
break;
}
case BS_PATTERN8X8 /* 7 */:
{
printf("util_set_brush: BS_PATTERN8X8 not supported\n");
break;
}
case BS_DIBPATTERN8X8 /* 8 */:
{
printf("util_set_brush: BS_DIBPATTERN8X8 not supported\n");
break;
}
default:
{
}
}
}
static void util_set_pen(wmfAPI * API, wmfDC * dc)
{
wmf_magick_t
*ddata = WMF_MAGICK_GetData(API);
wmfPen
*pen = 0;
double
pen_width,
pixel_width;
unsigned int
pen_style,
pen_type;
pen = WMF_DC_PEN(dc);
pen_width = (WMF_PEN_WIDTH(pen) + WMF_PEN_HEIGHT(pen)) / 2;
/* Pixel width is inverse of pixel scale */
pixel_width = (((double) 1 / (ddata->scale_x)) +
((double) 1 / (ddata->scale_y))) / 2;
/* Don't allow pen_width to be much less than pixel_width in order
to avoid dissapearing or spider-web lines */
pen_width = MagickMax(pen_width, pixel_width*0.8);
pen_style = (unsigned int) WMF_PEN_STYLE(pen);
pen_type = (unsigned int) WMF_PEN_TYPE(pen);
(void) pen_type;
/* Pen style specified? */
if (pen_style == PS_NULL)
{
draw_stroke_color_string(WmfDrawingWand,"none");
return;
}
DrawSetStrokeAntialias(WmfDrawingWand, MagickTrue );
DrawSetStrokeWidth(WmfDrawingWand, (unsigned long) MagickMax(0.0, pen_width));
{
LineCap
linecap;
switch ((unsigned int) WMF_PEN_ENDCAP(pen))
{
case PS_ENDCAP_SQUARE:
linecap = SquareCap;
break;
case PS_ENDCAP_ROUND:
linecap = RoundCap;
break;
case PS_ENDCAP_FLAT:
default:
linecap = ButtCap;
break;
}
DrawSetStrokeLineCap(WmfDrawingWand, linecap);
}
{
LineJoin
linejoin;
switch ((unsigned int) WMF_PEN_JOIN(pen))
{
case PS_JOIN_BEVEL:
linejoin = BevelJoin;
break;
case PS_JOIN_ROUND:
linejoin = RoundJoin;
break;
case PS_JOIN_MITER:
default:
linejoin = MiterJoin;
break;
}
DrawSetStrokeLineJoin(WmfDrawingWand,linejoin);
}
{
double
dasharray[7];
switch (pen_style)
{
case PS_DASH: /* ------- */
{
/* Pattern 18,7 */
dasharray[0] = pixel_width * 18;
dasharray[1] = pixel_width * 7;
dasharray[2] = 0;
DrawSetStrokeAntialias(WmfDrawingWand,MagickFalse);
(void) DrawSetStrokeDashArray(WmfDrawingWand,2,dasharray);
break;
}
case PS_ALTERNATE:
case PS_DOT: /* ....... */
{
/* Pattern 3,3 */
dasharray[0] = pixel_width * 3;
dasharray[1] = pixel_width * 3;
dasharray[2] = 0;
DrawSetStrokeAntialias(WmfDrawingWand,MagickFalse);
(void) DrawSetStrokeDashArray(WmfDrawingWand,2,dasharray);
break;
}
case PS_DASHDOT: /* _._._._ */
{
/* Pattern 9,6,3,6 */
dasharray[0] = pixel_width * 9;
dasharray[1] = pixel_width * 6;
dasharray[2] = pixel_width * 3;
dasharray[3] = pixel_width * 6;
dasharray[4] = 0;
DrawSetStrokeAntialias(WmfDrawingWand,MagickFalse);
(void) DrawSetStrokeDashArray(WmfDrawingWand,4,dasharray);
break;
}
case PS_DASHDOTDOT: /* _.._.._ */
{
/* Pattern 9,3,3,3,3,3 */
dasharray[0] = pixel_width * 9;
dasharray[1] = pixel_width * 3;
dasharray[2] = pixel_width * 3;
dasharray[3] = pixel_width * 3;
dasharray[4] = pixel_width * 3;
dasharray[5] = pixel_width * 3;
dasharray[6] = 0;
DrawSetStrokeAntialias(WmfDrawingWand,MagickFalse);
(void) DrawSetStrokeDashArray(WmfDrawingWand,6,dasharray);
break;
}
case PS_INSIDEFRAME: /* There is nothing to do in this case... */
case PS_SOLID:
default:
{
(void) DrawSetStrokeDashArray(WmfDrawingWand,0,(double *) NULL);
break;
}
}
}
draw_stroke_color_rgb(API,WMF_PEN_COLOR(pen));
}
/* Estimate font pointsize based on Windows font parameters */
static double util_pointsize( wmfAPI* API, wmfFont* font, char* str, double font_height, ExceptionInfo *exception)
{
wmf_magick_t
*ddata = WMF_MAGICK_GetData(API);
Image
*image = ddata->image;
TypeMetric
metrics;
DrawInfo
*draw_info;
double
pointsize = 0;
draw_info=ddata->draw_info;
if (draw_info == (const DrawInfo *) NULL)
return 0;
draw_info->font=WMF_FONT_PSNAME(font);
draw_info->pointsize=font_height;
draw_info->text=str;
if (GetTypeMetrics(image, draw_info, &metrics, exception) != MagickFalse)
{
if (strlen(str) == 1)
{
pointsize = (font_height *
( font_height / (metrics.ascent + fabs(metrics.descent))));
draw_info->pointsize = pointsize;
if (GetTypeMetrics(image, draw_info, &metrics, exception) != MagickFalse)
pointsize *= (font_height / ( metrics.ascent + fabs(metrics.descent)));
}
else
{
pointsize = (font_height * (font_height / (metrics.height)));
draw_info->pointsize = pointsize;
if (GetTypeMetrics(image, draw_info, &metrics, exception) != MagickFalse)
pointsize *= (font_height / metrics.height);
}
#if 0
draw_info.pointsize = pointsize;
if (GetTypeMetrics(image, &draw_info, &metrics, exception) != MagickFalse)
pointsize *= (font_height / (metrics.ascent + fabs(metrics.descent)));
pointsize *= 1.114286; /* Magic number computed through trial and error */
#endif
}
draw_info->font=NULL;
draw_info->text=NULL;
#if 0
printf("String = %s\n", str);
printf("Font = %s\n", WMF_FONT_PSNAME(font));
printf("lfHeight = %g\n", font_height);
printf("bounds = %g,%g %g,%g\n", metrics.bounds.x1, metrics.bounds.y1,
metrics.bounds.x2,metrics.bounds.y2);
printf("ascent = %g\n", metrics.ascent);
printf("descent = %g\n", metrics.descent);
printf("height = %g\n", metrics.height);
printf("Pointsize = %g\n", pointsize);
#endif
return floor(pointsize);
}
#if defined(MAGICKCORE_WMFLITE_DELEGATE)
/* Estimate weight based on font name */
/*
static int util_font_weight( const char* font )
{
int
weight;
weight = 400;
if ((strstr(font,"Normal") || strstr(font,"Regular")))
weight = 400;
else if ( strstr(font,"Bold") )
{
weight = 700;
if ((strstr(font,"Semi") || strstr(font,"Demi")))
weight = 600;
if ( (strstr(font,"Extra") || strstr(font,"Ultra")))
weight = 800;
}
else if ( strstr(font,"Light") )
{
weight = 300;
if ( (strstr(font,"Extra") || strstr(font,"Ultra")))
weight = 200;
}
else if ((strstr(font,"Heavy") || strstr(font,"Black")))
weight = 900;
else if ( strstr(font,"Thin") )
weight = 100;
return weight;
}
*/
/*
* Returns width of string in points, assuming (unstretched) font size of 1pt
* (similar to wmf_ipa_font_stringwidth)
*
* This extremely odd at best, particularly since player/meta.h has access
* to the corrected font_height (as drawtext.font_height) when it invokes the
* stringwidth callback. It should be possible to compute the real stringwidth!
*/
static float lite_font_stringwidth( wmfAPI* API, wmfFont* font, char* str)
{
#if 0
wmf_magick_t
*ddata = WMF_MAGICK_GetData(API);
Image
*image = ddata->image;
DrawInfo
*draw_info;
ExceptionInfo
*exception;
TypeMetric
metrics;
float
stringwidth = 0;
double
orig_x_resolution,
orig_y_resolution;
ResolutionType
orig_resolution_units;
orig_x_resolution = image->resolution.x;
orig_y_resolution = image->resolution.y;
orig_resolution_units = image->units;
draw_info=ddata->draw_info;
if (draw_info == (const DrawInfo *) NULL)
return 0;
draw_info->font=WMF_FONT_PSNAME(font);
draw_info->pointsize=12;
draw_info->text=str;
image->resolution.x = 72;
image->resolution.y = 72;
image->units = PixelsPerInchResolution;
exception=ddata->exception;
if (GetTypeMetrics(image, draw_info, &metrics, exception) != MagickFalse)
stringwidth = ((metrics.width * 72)/(image->resolution.x * draw_info->pointsize)); /* *0.916348; */
draw_info->font=NULL;
draw_info->text=NULL;
#if 0
printf("\nlite_font_stringwidth\n");
printf("string = \"%s\"\n", str);
printf("WMF_FONT_NAME = \"%s\"\n", WMF_FONT_NAME(font));
printf("WMF_FONT_PSNAME = \"%s\"\n", WMF_FONT_PSNAME(font));
printf("stringwidth = %g\n", stringwidth);
/* printf("WMF_FONT_HEIGHT = %i\n", (int)WMF_FONT_HEIGHT(font)); */
/* printf("WMF_FONT_WIDTH = %i\n", (int)WMF_FONT_WIDTH(font)); */
fflush(stdout);
#endif
image->resolution.x = orig_x_resolution;
image->resolution.y = orig_y_resolution;
image->units = orig_resolution_units;
return stringwidth;
#else
(void) API;
(void) font;
(void) str;
return 0;
#endif
}
/* Map font (similar to wmf_ipa_font_map) */
/* Mappings to Postscript fonts: family, normal, italic, bold, bolditalic */
static wmfFontMap WMFFontMap[] = {
{ (char *) "Courier", (char *) "Courier",
(char *) "Courier-Oblique", (char *) "Courier-Bold",
(char *) "Courier-BoldOblique" },
{ (char *) "Helvetica", (char *) "Helvetica",
(char *) "Helvetica-Oblique", (char *) "Helvetica-Bold",
(char *) "Helvetica-BoldOblique" },
{ (char *) "Modern", (char *) "Courier",
(char *) "Courier-Oblique", (char *) "Courier-Bold",
(char *) "Courier-BoldOblique" },
{ (char *) "Monotype Corsiva", (char *) "Courier",
(char *) "Courier-Oblique", (char *) "Courier-Bold",
(char *) "Courier-BoldOblique" },
{ (char *) "News Gothic", (char *) "Helvetica",
(char *) "Helvetica-Oblique", (char *) "Helvetica-Bold",
(char *) "Helvetica-BoldOblique" },
{ (char *) "Symbol", (char *) "Symbol",
(char *) "Symbol", (char *) "Symbol",
(char *) "Symbol" },
{ (char *) "System", (char *) "Courier",
(char *) "Courier-Oblique", (char *) "Courier-Bold",
(char *) "Courier-BoldOblique" },
{ (char *) "Times", (char *) "Times-Roman",
(char *) "Times-Italic", (char *) "Times-Bold",
(char *) "Times-BoldItalic" },
{ (char *) NULL, (char *) NULL,
(char *) NULL, (char *) NULL,
(char *) NULL }
};
/* Mapping between base name and Ghostscript family name */
static wmfMapping SubFontMap[] =
{
{ (char *) "Arial", (char *) "Helvetica", FT_ENCODING_NONE },
{ (char *) "Courier", (char *) "Courier", FT_ENCODING_NONE },
{ (char *) "Fixed", (char *) "Courier", FT_ENCODING_NONE },
{ (char *) "Helvetica", (char *) "Helvetica", FT_ENCODING_NONE },
{ (char *) "Sans", (char *) "Helvetica", FT_ENCODING_NONE },
{ (char *) "Sym", (char *) "Symbol", FT_ENCODING_NONE },
{ (char *) "Terminal", (char *) "Courier", FT_ENCODING_NONE },
{ (char *) "Times", (char *) "Times", FT_ENCODING_NONE },
{ (char *) "Wingdings", (char *) "Symbol", FT_ENCODING_NONE },
{ (char *) NULL, (char *) NULL, FT_ENCODING_NONE }
};
static void lite_font_map( wmfAPI* API, wmfFont* font)
{
wmfFontData
*font_data;
wmf_magick_font_t
*magick_font;
wmf_magick_t
*ddata = WMF_MAGICK_GetData(API);
ExceptionInfo
*exception;
const TypeInfo
*type_info,
*type_info_base;
const char
*wmf_font_name;
if (font == 0)
return;
font_data = (wmfFontData*)API->font_data;
font->user_data = font_data->user_data;
magick_font = (wmf_magick_font_t*)font->user_data;
wmf_font_name = WMF_FONT_NAME(font);
if (magick_font->ps_name != (char *) NULL)
magick_font->ps_name=DestroyString(magick_font->ps_name);
exception=ddata->exception;
type_info_base=GetTypeInfo("*",exception);
if (type_info_base == 0)
return;
/* Certain short-hand font names are not the proper Windows names
and should be promoted to the proper names */
if (LocaleCompare(wmf_font_name,"Times") == 0)
wmf_font_name = "Times New Roman";
else if (LocaleCompare(wmf_font_name,"Courier") == 0)
wmf_font_name = "Courier New";
/* Look for a family-based best-match */
if (!magick_font->ps_name)
{
int
target_weight;
if (WMF_FONT_WEIGHT(font) == 0)
target_weight = 400;
else
target_weight = WMF_FONT_WEIGHT(font);
type_info=GetTypeInfoByFamily(wmf_font_name,AnyStyle,AnyStretch,
target_weight,exception);
if (type_info == (const TypeInfo *) NULL)
type_info=GetTypeInfoByFamily(wmf_font_name,AnyStyle,AnyStretch,0,
exception);
if (type_info != (const TypeInfo *) NULL)
CloneString(&magick_font->ps_name,type_info->name);
}
/* Now let's try simple substitution mappings from WMFFontMap */
if (!magick_font->ps_name)
{
char
target[MaxTextExtent];
int
target_weight = 400,
want_italic = MagickFalse,
want_bold = MagickFalse,
i;
if ( WMF_FONT_WEIGHT(font) != 0 )
target_weight = WMF_FONT_WEIGHT(font);
if ( (target_weight > 550) || ((strstr(wmf_font_name,"Bold") ||
strstr(wmf_font_name,"Heavy") ||
strstr(wmf_font_name,"Black"))) )
want_bold = MagickTrue;
if ( (WMF_FONT_ITALIC(font)) || ((strstr(wmf_font_name,"Italic") ||
strstr(wmf_font_name,"Oblique"))) )
want_italic = MagickTrue;
(void) CopyMagickString(target,"Times",MaxTextExtent);
for( i=0; SubFontMap[i].name != NULL; i++ )
{
if (LocaleCompare(wmf_font_name, SubFontMap[i].name) == 0)
{
(void) CopyMagickString(target,SubFontMap[i].mapping,
MaxTextExtent);
break;
}
}
for( i=0; WMFFontMap[i].name != NULL; i++ )
{
if (LocaleNCompare(WMFFontMap[i].name,target,strlen(WMFFontMap[i].name)) == 0)
{
if (want_bold && want_italic)
CloneString(&magick_font->ps_name,WMFFontMap[i].bolditalic);
else if (want_italic)
CloneString(&magick_font->ps_name,WMFFontMap[i].italic);
else if (want_bold)
CloneString(&magick_font->ps_name,WMFFontMap[i].bold);
else
CloneString(&magick_font->ps_name,WMFFontMap[i].normal);
}
}
}
#if 0
printf("\nlite_font_map\n");
printf("WMF_FONT_NAME = \"%s\"\n", WMF_FONT_NAME(font));
printf("WMF_FONT_WEIGHT = %i\n", WMF_FONT_WEIGHT(font));
printf("WMF_FONT_PSNAME = \"%s\"\n", WMF_FONT_PSNAME(font));
fflush(stdout);
#endif
}
/* Initialize API font structures */
static void lite_font_init( wmfAPI* API, wmfAPI_Options* options)
{
wmfFontData
*font_data;
(void) options;
API->fonts = 0;
/* Allocate wmfFontData data structure */
API->font_data = wmf_malloc(API,sizeof(wmfFontData));
if (ERR (API))
return;
font_data = (wmfFontData*)API->font_data;
/* Assign function to map font (type wmfMap) */
font_data->map = lite_font_map;
/* Assign function to return string width in points (type wmfStringWidth) */
font_data->stringwidth = lite_font_stringwidth;
/* Assign user data, not used by libwmflite (type void*) */
font_data->user_data = wmf_malloc(API,sizeof(wmf_magick_font_t));
if (ERR(API))
return;
((wmf_magick_font_t*)font_data->user_data)->ps_name = 0;
((wmf_magick_font_t*)font_data->user_data)->pointsize = 0;
}
#endif /* MAGICKCORE_WMFLITE_DELEGATE */
/* BLOB read byte */
static int ipa_blob_read(void* wand)
{
return ReadBlobByte((Image*)wand);
}
/* BLOB seek */
static int ipa_blob_seek(void* wand,long position)
{
return (int)SeekBlob((Image*)wand,(MagickOffsetType) position,SEEK_SET);
}
/* BLOB tell */
static long ipa_blob_tell(void* wand)
{
return (long)TellBlob((Image*)wand);
}
static Image *ReadWMFImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
double
bounding_height,
bounding_width,
image_height,
image_height_inch,
image_width,
image_width_inch,
resolution_y,
resolution_x,
units_per_inch;
float
wmf_width,
wmf_height;
Image
*image;
MagickBooleanType
status;
unsigned long
wmf_options_flags = 0;
wmf_error_t
wmf_error;
wmf_magick_t
*ddata = 0;
wmfAPI
*API = 0;
wmfAPI_Options
wmf_api_options;
wmfD_Rect
bbox;
image=AcquireImage(image_info,exception);
if (OpenBlob(image_info,image,ReadBinaryBlobMode,exception) == MagickFalse)
{
if (image->debug != MagickFalse)
{
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" OpenBlob failed");
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
"leave ReadWMFImage()");
}
image=DestroyImageList(image);
return((Image *) NULL);
}
/*
* Create WMF API
*
*/
/* Register callbacks */
wmf_options_flags |= WMF_OPT_FUNCTION;
(void) ResetMagickMemory(&wmf_api_options, 0, sizeof(wmf_api_options));
wmf_api_options.function = ipa_functions;
/* Ignore non-fatal errors */
wmf_options_flags |= WMF_OPT_IGNORE_NONFATAL;
wmf_error = wmf_api_create(&API, wmf_options_flags, &wmf_api_options);
if (wmf_error != wmf_E_None)
{
if (API)
wmf_api_destroy(API);
if (image->debug != MagickFalse)
{
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" wmf_api_create failed");
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
"leave ReadWMFImage()");
}
ThrowReaderException(DelegateError,"UnableToInitializeWMFLibrary");
}
/* Register progress monitor */
wmf_status_function(API,image,magick_progress_callback);
ddata=WMF_MAGICK_GetData(API);
ddata->image=image;
ddata->image_info=image_info;
ddata->draw_info=CloneDrawInfo(image_info,(const DrawInfo *) NULL);
ddata->exception=exception;
ddata->draw_info->font=(char *)
RelinquishMagickMemory(ddata->draw_info->font);
ddata->draw_info->text=(char *)
RelinquishMagickMemory(ddata->draw_info->text);
#if defined(MAGICKCORE_WMFLITE_DELEGATE)
/* Must initialize font subystem for WMFlite interface */
lite_font_init (API,&wmf_api_options); /* similar to wmf_ipa_font_init in src/font.c */
/* wmf_arg_fontdirs (API,options); */ /* similar to wmf_arg_fontdirs in src/wmf.c */
#endif
/*
* Open BLOB input via libwmf API
*
*/
wmf_error = wmf_bbuf_input(API,ipa_blob_read,ipa_blob_seek,
ipa_blob_tell,(void*)image);
if (wmf_error != wmf_E_None)
{
wmf_api_destroy(API);
if (image->debug != MagickFalse)
{
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" wmf_bbuf_input failed");
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
"leave ReadWMFImage()");
}
ThrowFileException(exception,FileOpenError,"UnableToOpenFile",
image->filename);
image=DestroyImageList(image);
return((Image *) NULL);
}
/*
* Scan WMF file
*
*/
if (image->debug != MagickFalse)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Scanning WMF to obtain bounding box");
wmf_error=wmf_scan(API, 0, &bbox);
if (wmf_error != wmf_E_None)
{
wmf_api_destroy(API);
if (image->debug != MagickFalse)
{
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" wmf_scan failed with wmf_error %d", wmf_error);
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
"leave ReadWMFImage()");
}
ThrowReaderException(DelegateError,"FailedToScanFile");
}
/*
* Compute dimensions and scale factors
*
*/
ddata->bbox=bbox;
/* User specified resolution */
resolution_y=DefaultResolution;
if (image->resolution.y != 0.0)
{
resolution_y = image->resolution.y;
if (image->units == PixelsPerCentimeterResolution)
resolution_y *= CENTIMETERS_PER_INCH;
}
resolution_x=DefaultResolution;
if (image->resolution.x != 0.0)
{
resolution_x = image->resolution.x;
if (image->units == PixelsPerCentimeterResolution)
resolution_x *= CENTIMETERS_PER_INCH;
}
/* Obtain output size expressed in metafile units */
wmf_error=wmf_size(API,&wmf_width,&wmf_height);
if (wmf_error != wmf_E_None)
{
wmf_api_destroy(API);
if (image->debug != MagickFalse)
{
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" wmf_size failed with wmf_error %d", wmf_error);
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
"leave ReadWMFImage()");
}
ThrowReaderException(DelegateError,"FailedToComputeOutputSize");
}
/* Obtain (or guess) metafile units */
if ((API)->File->placeable)
units_per_inch=(API)->File->pmh->Inch;
else if ( (wmf_width*wmf_height) < 1024*1024)
units_per_inch=POINTS_PER_INCH; /* MM_TEXT */
else
units_per_inch=TWIPS_PER_INCH; /* MM_TWIPS */
/* Calculate image width and height based on specified DPI
resolution */
image_width_inch = (double) wmf_width / units_per_inch;
image_height_inch = (double) wmf_height / units_per_inch;
image_width = image_width_inch * resolution_x;
image_height = image_height_inch * resolution_y;
/* Compute bounding box scale factors and origin translations
*
* This all just a hack since libwmf does not currently seem to
* provide the mapping between LOGICAL coordinates and DEVICE
* coordinates. This mapping is necessary in order to know
* where to place the logical bounding box within the image.
*
*/
bounding_width = bbox.BR.x - bbox.TL.x;
bounding_height = bbox.BR.y - bbox.TL.y;
ddata->scale_x = image_width/bounding_width;
ddata->translate_x = 0-bbox.TL.x;
ddata->rotate = 0;
/* Heuristic: guess that if the vertical coordinates mostly span
negative values, then the image must be inverted. */
if ( fabs(bbox.BR.y) > fabs(bbox.TL.y) )
{
/* Normal (Origin at top left of image) */
ddata->scale_y = (image_height/bounding_height);
ddata->translate_y = 0-bbox.TL.y;
}
else
{
/* Inverted (Origin at bottom left of image) */
ddata->scale_y = (-image_height/bounding_height);
ddata->translate_y = 0-bbox.BR.y;
}
if (image->debug != MagickFalse)
{
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Placeable metafile: %s",
(API)->File->placeable ? "Yes" : "No");
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Size in metafile units: %gx%g",wmf_width,wmf_height);
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Metafile units/inch: %g",units_per_inch);
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Size in inches: %gx%g",
image_width_inch,image_height_inch);
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Bounding Box: %g,%g %g,%g",
bbox.TL.x, bbox.TL.y, bbox.BR.x, bbox.BR.y);
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Bounding width x height: %gx%g",bounding_width,
bounding_height);
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Output resolution: %gx%g",resolution_x,resolution_y);
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Image size: %gx%g",image_width,image_height);
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Bounding box scale factor: %g,%g",ddata->scale_x,
ddata->scale_y);
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Translation: %g,%g",
ddata->translate_x, ddata->translate_y);
}
#if 0
#if 0
{
typedef struct _wmfPlayer_t wmfPlayer_t;
struct _wmfPlayer_t
{
wmfPen default_pen;
wmfBrush default_brush;
wmfFont default_font;
wmfDC* dc; /* current dc */
};
wmfDC
*dc;
#define WMF_ELICIT_DC(API) (((wmfPlayer_t*)((API)->player_data))->dc)
dc = WMF_ELICIT_DC(API);
printf("dc->Window.Ox = %d\n", dc->Window.Ox);
printf("dc->Window.Oy = %d\n", dc->Window.Oy);
printf("dc->Window.width = %d\n", dc->Window.width);
printf("dc->Window.height = %d\n", dc->Window.height);
printf("dc->pixel_width = %g\n", dc->pixel_width);
printf("dc->pixel_height = %g\n", dc->pixel_height);
#if defined(MAGICKCORE_WMFLITE_DELEGATE) /* Only in libwmf 0.3 */
printf("dc->Ox = %.d\n", dc->Ox);
printf("dc->Oy = %.d\n", dc->Oy);
printf("dc->width = %.d\n", dc->width);
printf("dc->height = %.d\n", dc->height);
#endif
}
#endif
#endif
/*
* Create canvas image
*
*/
image->rows=(unsigned long) ceil(image_height);
image->columns=(unsigned long) ceil(image_width);
if (image_info->ping != MagickFalse)
{
wmf_api_destroy(API);
(void) CloseBlob(image);
if (image->debug != MagickFalse)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
"leave ReadWMFImage()");
return(GetFirstImageInList(image));
}
status=SetImageExtent(image,image->columns,image->rows,exception);
if (status == MagickFalse)
return(DestroyImageList(image));
if (image->debug != MagickFalse)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Creating canvas image with size %lux%lu",(unsigned long) image->rows,
(unsigned long) image->columns);
/*
* Set solid background color
*/
{
image->background_color = image_info->background_color;
if (image->background_color.alpha != OpaqueAlpha)
image->alpha_trait=BlendPixelTrait;
(void) SetImageBackgroundColor(image,exception);
}
/*
* Play file to generate Vector drawing commands
*
*/
if (image->debug != MagickFalse)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Playing WMF to prepare vectors");
wmf_error = wmf_play(API, 0, &bbox);
if (wmf_error != wmf_E_None)
{
wmf_api_destroy(API);
if (image->debug != MagickFalse)
{
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Playing WMF failed with wmf_error %d", wmf_error);
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
"leave ReadWMFImage()");
}
ThrowReaderException(DelegateError,"FailedToRenderFile");
}
/*
* Scribble on canvas image
*
*/
if (image->debug != MagickFalse)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Rendering WMF vectors");
DrawRender(ddata->draw_wand);
if (image->debug != MagickFalse)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),"leave ReadWMFImage()");
/* Cleanup allocated data */
wmf_api_destroy(API);
(void) CloseBlob(image);
/* Return image */
return image;
}
#endif
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e g i s t e r W M F I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% RegisterWMFImage() adds attributes for the WMF image format to
% the list of supported formats. The attributes include the image format
% 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 RegisterWMFImage method is:
%
% size_t RegisterWMFImage(void)
%
*/
ModuleExport size_t RegisterWMFImage(void)
{
MagickInfo
*entry;
entry = SetMagickInfo("WMZ");
#if defined(MAGICKCORE_WMF_DELEGATE) || defined(MAGICKCORE_WMFLITE_DELEGATE)
entry->decoder=ReadWMFImage;
#endif
entry->description=ConstantString("Compressed Windows Meta File");
entry->module=ConstantString("WMZ");
entry->flags|=CoderSeekableStreamFlag;
(void) RegisterMagickInfo(entry);
entry=SetMagickInfo("WMF");
#if defined(MAGICKCORE_WMF_DELEGATE) || defined(MAGICKCORE_WMFLITE_DELEGATE)
entry->decoder=ReadWMFImage;
#endif
entry->description=ConstantString("Windows Meta File");
entry->module=ConstantString("WMF");
(void) RegisterMagickInfo(entry);
return(MagickImageCoderSignature);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% U n r e g i s t e r W M F I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% UnregisterWMFImage() removes format registrations made by the
% WMF module from the list of supported formats.
%
% The format of the UnregisterWMFImage method is:
%
% UnregisterWMFImage(void)
%
*/
ModuleExport void UnregisterWMFImage(void)
{
(void) UnregisterMagickInfo("WMZ");
(void) UnregisterMagickInfo("WMF");
}