]> granicus.if.org Git - imagemagick/blobdiff - coders/fpx.c
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[imagemagick] / coders / fpx.c
index 4c7d4a62c2cdf532e3ce1b7b79c72f6d0e582bf6..571b1ad3243625b07734abe1f0b8d9a506620bfc 100644 (file)
 %                     Read/Write FlashPIX Image Format                        %
 %                                                                             %
 %                              Software Design                                %
-%                                John Cristy                                  %
+%                                   Cristy                                    %
 %                                 July 1992                                   %
 %                                                                             %
 %                                                                             %
-%  Copyright 1999-2011 ImageMagick Studio LLC, a non-profit organization      %
+%  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  %
   Include declarations.
 */
 #include "MagickCore/studio.h"
+#include "MagickCore/attribute.h"
 #include "MagickCore/property.h"
 #include "MagickCore/blob.h"
 #include "MagickCore/blob-private.h"
 #include "MagickCore/cache.h"
 #include "MagickCore/color.h"
 #include "MagickCore/color-private.h"
+#include "MagickCore/colormap.h"
 #include "MagickCore/colorspace.h"
+#include "MagickCore/colorspace-private.h"
 #include "MagickCore/constitute.h"
 #include "MagickCore/exception.h"
 #include "MagickCore/exception-private.h"
@@ -59,6 +62,8 @@
 #include "MagickCore/monitor.h"
 #include "MagickCore/monitor-private.h"
 #include "MagickCore/pixel.h"
+#include "MagickCore/pixel-accessor.h"
+#include "MagickCore/property.h"
 #include "MagickCore/quantum-private.h"
 #include "MagickCore/static.h"
 #include "MagickCore/string_.h"
   Forward declarations.
 */
 static MagickBooleanType
-  WriteFPXImage(const ImageInfo *,Image *);
+  WriteFPXImage(const ImageInfo *,Image *,ExceptionInfo *);
 #endif
 \f
-/*
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%                                                                             %
-%                                                                             %
-%                                                                             %
-%   I s F P X                                                                 %
-%                                                                             %
-%                                                                             %
-%                                                                             %
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%
-%  IsFPX() returns MagickTrue if the image format type, identified by the
-%  magick string, is FPX.
-%
-%  The format of the IsFPX method is:
-%
-%      MagickBooleanType IsFPX(const unsigned char *magick,const size_t length)
-%
-%  A description of each parameter follows:
-%
-%    o magick: compare image format pattern against these bytes.
-%
-%    o length: Specifies the length of the magick string.
-%
-*/
-static MagickBooleanType IsFPX(const unsigned char *magick,const size_t length)
-{
-  if (length < 4)
-    return(MagickFalse);
-  if (memcmp(magick,"\320\317\021\340",4) == 0)
-    return(MagickTrue);
-  return(MagickFalse);
-}
-\f
 #if defined(MAGICKCORE_FPX_DELEGATE)
 /*
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -213,7 +184,7 @@ static Image *ReadFPXImage(const ImageInfo *image_info,ExceptionInfo *exception)
       image_info->filename);
   assert(exception != (ExceptionInfo *) NULL);
   assert(exception->signature == MagickSignature);
-  image=AcquireImage(image_info);
+  image=AcquireImage(image_info,exception);
   status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
   if (status == MagickFalse)
     {
@@ -309,7 +280,7 @@ static Image *ReadFPXImage(const ImageInfo *image_info,ExceptionInfo *exception)
           }
         (void) CopyMagickString(label,(char *) summary_info.title.ptr,
           summary_info.title.length+1);
-        (void) SetImageProperty(image,"label",label);
+        (void) SetImageProperty(image,"label",label,exception);
         label=DestroyString(label);
       }
   if (summary_info.comments_valid)
@@ -333,7 +304,7 @@ static Image *ReadFPXImage(const ImageInfo *image_info,ExceptionInfo *exception)
           }
         (void) CopyMagickString(comments,(char *) summary_info.comments.ptr,
           summary_info.comments.length+1);
-        (void) SetImageProperty(image,"comment",comments);
+        (void) SetImageProperty(image,"comment",comments,exception);
         comments=DestroyString(comments);
       }
   /*
@@ -361,13 +332,13 @@ static Image *ReadFPXImage(const ImageInfo *image_info,ExceptionInfo *exception)
   image->columns=width;
   image->rows=height;
   if ((colorspace.numberOfComponents % 2) == 0)
-    image->matte=MagickTrue;
+    image->alpha_trait=BlendPixelTrait;
   if (colorspace.numberOfComponents == 1)
     {
       /*
         Create linear colormap.
       */
-      if (AcquireImageColormap(image,MaxColormapSize) == MagickFalse)
+      if (AcquireImageColormap(image,MaxColormapSize,exception) == MagickFalse)
         {
           FPX_ClearSystem();
           ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
@@ -379,6 +350,9 @@ static Image *ReadFPXImage(const ImageInfo *image_info,ExceptionInfo *exception)
       FPX_ClearSystem();
       return(GetFirstImageInList(image));
     }
+  status=SetImageExtent(image,image->columns,image->rows,exception);
+  if (status == MagickFalse)
+    return(DestroyImageList(image));
   /*
     Allocate memory for the image and pixel buffer.
   */
@@ -421,7 +395,7 @@ static Image *ReadFPXImage(const ImageInfo *image_info,ExceptionInfo *exception)
   for (y=0; y < (ssize_t) image->rows; y++)
   {
     q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
-    if (q == (const Quantum *) NULL)
+    if (q == (Quantum *) NULL)
       break;
     if ((y % tile_height) == 0)
       {
@@ -468,7 +442,7 @@ static Image *ReadFPXImage(const ImageInfo *image_info,ExceptionInfo *exception)
           SetPixelBlue(image,index,q);
         }
       SetPixelAlpha(image,OpaqueAlpha,q);
-      if (image->matte != MagickFalse)
+      if (image->alpha_trait != UndefinedPixelTrait)
         SetPixelAlpha(image,ScaleCharToQuantum(*a),q);
       q+=GetPixelChannels(image);
       r+=red_component->columnStride;
@@ -523,10 +497,9 @@ ModuleExport size_t RegisterFPXImage(void)
   entry->decoder=(DecodeImageHandler *) ReadFPXImage;
   entry->encoder=(EncodeImageHandler *) WriteFPXImage;
 #endif
-  entry->adjoin=MagickFalse;
-  entry->seekable_stream=MagickTrue;
-  entry->blob_support=MagickFalse;
-  entry->magick=(IsImageFormatHandler *) IsFPX;
+  entry->flags^=CoderAdjoinFlag;
+  entry->flags|=CoderSeekableStreamFlag;
+  entry->flags^=CoderBlobSupportFlag;
   entry->description=ConstantString("FlashPix Format");
   entry->module=ConstantString("FPX");
   (void) RegisterMagickInfo(entry);
@@ -574,7 +547,8 @@ ModuleExport void UnregisterFPXImage(void)
 %
 %  The format of the WriteFPXImage method is:
 %
-%      MagickBooleanType WriteFPXImage(const ImageInfo *image_info,Image *image)
+%      MagickBooleanType WriteFPXImage(const ImageInfo *image_info,
+%        Image *image,ExceptionInfo *exception)
 %
 %  A description of each parameter follows.
 %
@@ -582,6 +556,8 @@ ModuleExport void UnregisterFPXImage(void)
 %
 %    o image:  The image.
 %
+%    o exception: return any errors or warnings in this structure.
+%
 */
 
 static void ColorTwistMultiply(FPXColorTwistMatrix first,
@@ -765,7 +741,8 @@ static void SetSaturation(double saturation,FPXColorTwistMatrix *color_twist)
   *color_twist=result;
 }
 
-static MagickBooleanType WriteFPXImage(const ImageInfo *image_info,Image *image)
+static MagickBooleanType WriteFPXImage(const ImageInfo *image_info,Image *image,
+  ExceptionInfo *exception)
 {
   FPXBackground
     background_color;
@@ -839,16 +816,17 @@ static MagickBooleanType WriteFPXImage(const ImageInfo *image_info,Image *image)
   assert(image->signature == MagickSignature);
   if (image->debug != MagickFalse)
     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
-  status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
+  assert(exception != (ExceptionInfo *) NULL);
+  assert(exception->signature == MagickSignature);
+  status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
   if (status == MagickFalse)
     return(status);
+  (void) TransformImageColorspace(image,sRGBColorspace,exception);
   (void) CloseBlob(image);
   /*
     Initialize FPX toolkit.
   */
   image->depth=8;
-  if (IsRGBColorspace(image->colorspace) == MagickFalse)
-    (void) TransformImageColorspace(image,RGBColorspace);
   memory_limit=20000000;
   fpx_status=FPX_SetToolkitMemoryLimit(&memory_limit);
   if (fpx_status != FPX_OK)
@@ -856,10 +834,10 @@ static MagickBooleanType WriteFPXImage(const ImageInfo *image_info,Image *image)
   tile_width=64;
   tile_height=64;
   colorspace.numberOfComponents=3;
-  if (image->matte != MagickFalse)
+  if (image->alpha_trait != UndefinedPixelTrait)
     colorspace.numberOfComponents=4;
   if ((image_info->type != TrueColorType) &&
-      IsImageGray(image,&image->exception))
+      (IsImageGray(image,exception) != MagickFalse))
     {
       colorspace.numberOfComponents=1;
       colorspace.theComponents[0].myColor=MONOCHROME;
@@ -919,12 +897,10 @@ static MagickBooleanType WriteFPXImage(const ImageInfo *image_info,Image *image)
   summary_info.thumbnail_valid=MagickFalse;
   summary_info.appname_valid=MagickFalse;
   summary_info.security_valid=MagickFalse;
-  label=GetImageProperty(image,"label");
+  summary_info.title.ptr=(unsigned char *) NULL;
+  label=GetImageProperty(image,"label",exception);
   if (label != (const char *) NULL)
     {
-      size_t
-        length;
-
       /*
         Note image label.
       */
@@ -939,7 +915,7 @@ static MagickBooleanType WriteFPXImage(const ImageInfo *image_info,Image *image)
       (void) CopyMagickString((char *) summary_info.title.ptr,label,
         MaxTextExtent);
     }
-  comment=GetImageProperty(image,"comment");
+  comment=GetImageProperty(image,"comment",exception);
   if (comment != (const char *) NULL)
     {
       /*
@@ -970,26 +946,26 @@ static MagickBooleanType WriteFPXImage(const ImageInfo *image_info,Image *image)
       image->columns*fpx_info.components[i].columnStride;
     fpx_info.components[i].theData=pixels+i;
   }
-  fpx_info.components[0].myColorType.myColor=fpx_info.numberOfComponents != 1
-    NIFRGB_R : MONOCHROME;
+  fpx_info.components[0].myColorType.myColor=fpx_info.numberOfComponents != 1 ?
+    NIFRGB_R : MONOCHROME;
   fpx_info.components[1].myColorType.myColor=NIFRGB_G;
   fpx_info.components[2].myColorType.myColor=NIFRGB_B;
   fpx_info.components[3].myColorType.myColor=ALPHA;
   /*
-    Write image pixelss.
+    Write image pixels.
   */
   quantum_type=RGBQuantum;
-  if (image->matte != MagickFalse)
+  if (image->alpha_trait != UndefinedPixelTrait)
     quantum_type=RGBAQuantum;
   if (fpx_info.numberOfComponents == 1)
     quantum_type=GrayQuantum;
   for (y=0; y < (ssize_t) image->rows; y++)
   {
-    p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
+    p=GetVirtualPixels(image,0,y,image->columns,1,exception);
     if (p == (const Quantum *) NULL)
       break;
     length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
-      quantum_type,pixels,&image->exception);
+      quantum_type,pixels,exception);
     fpx_status=FPX_WriteImageLine(flashpix,&fpx_info);
     if (fpx_status != FPX_OK)
       break;
@@ -1031,7 +1007,7 @@ static MagickBooleanType WriteFPXImage(const ImageInfo *image_info,Image *image)
         Initialize default viewing parameters.
       */
       contrast=1.0;
-      contrast_valid=MagickFalse;
+      contrast_valid=MagickTrue;
       color_twist.byy=1.0;
       color_twist.byc1=0.0;
       color_twist.byc2=0.0;
@@ -1048,16 +1024,16 @@ static MagickBooleanType WriteFPXImage(const ImageInfo *image_info,Image *image)
       color_twist.dummy5_zero=0.0;
       color_twist.dummy6_zero=0.0;
       color_twist.dummy7_one=1.0;
-      color_twist_valid=MagickFalse;
+      color_twist_valid=MagickTrue;
       sharpen=0.0;
-      sharpen_valid=MagickFalse;
+      sharpen_valid=MagickTrue;
       aspect_ratio=(double) image->columns/image->rows;
-      aspect_ratio_valid=MagickFalse;
+      aspect_ratio_valid=MagickTrue;
       view_rect.left=(float) 0.1;
       view_rect.width=aspect_ratio-0.2;
       view_rect.top=(float) 0.1;
       view_rect.height=(float) 0.8; /* 1.0-0.2 */
-      view_rect_valid=MagickFalse;
+      view_rect_valid=MagickTrue;
       affine.a11=1.0;
       affine.a12=0.0;
       affine.a13=0.0;
@@ -1074,7 +1050,7 @@ static MagickBooleanType WriteFPXImage(const ImageInfo *image_info,Image *image)
       affine.a42=0.0;
       affine.a43=0.0;
       affine.a44=1.0;
-      affine_valid=MagickFalse;
+      affine_valid=MagickTrue;
       if (0)
         {
           /*
@@ -1085,37 +1061,37 @@ static MagickBooleanType WriteFPXImage(const ImageInfo *image_info,Image *image)
           SetColorBalance(0.5,1.0,1.0,&color_twist);
           color_twist_valid=MagickTrue;
         }
-      if (affine_valid)
+      if (affine_valid != MagickFalse)
         {
           fpx_status=FPX_SetImageAffineMatrix(flashpix,&affine);
           if (fpx_status != FPX_OK)
             ThrowWriterException(DelegateError,"UnableToSetAffineMatrix");
         }
-      if (aspect_ratio_valid)
+      if (aspect_ratio_valid != MagickFalse)
         {
           fpx_status=FPX_SetImageResultAspectRatio(flashpix,&aspect_ratio);
           if (fpx_status != FPX_OK)
             ThrowWriterException(DelegateError,"UnableToSetAspectRatio");
         }
-      if (color_twist_valid)
+      if (color_twist_valid != MagickFalse)
         {
           fpx_status=FPX_SetImageColorTwistMatrix(flashpix,&color_twist);
           if (fpx_status != FPX_OK)
             ThrowWriterException(DelegateError,"UnableToSetColorTwist");
         }
-      if (contrast_valid)
+      if (contrast_valid != MagickFalse)
         {
           fpx_status=FPX_SetImageContrastAdjustment(flashpix,&contrast);
           if (fpx_status != FPX_OK)
             ThrowWriterException(DelegateError,"UnableToSetContrast");
         }
-      if (sharpen_valid)
+      if (sharpen_valid != MagickFalse)
         {
           fpx_status=FPX_SetImageFilteringValue(flashpix,&sharpen);
           if (fpx_status != FPX_OK)
             ThrowWriterException(DelegateError,"UnableToSetFilteringValue");
         }
-      if (view_rect_valid)
+      if (view_rect_valid != MagickFalse)
         {
           fpx_status=FPX_SetImageROI(flashpix,&view_rect);
           if (fpx_status != FPX_OK)