static bool HHVM_METHOD(ImagickDraw, setTextAntialias, bool antiAlias) {
auto wand = getDrawingWandResource(Object{this_});
DrawSetTextAntialias(wand->getWand(), toMagickBool(antiAlias));
return true;
}
void
generate(char *source_image_path, char *sink_image_path, char *top_text, char *bottom_text)
{
MagickWand *wand = NULL;
DrawingWand *drawing_wand = NULL;
PixelWand *pixel_wand = NULL;
MagickWandGenesis();
wand = NewMagickWand();
drawing_wand = NewDrawingWand();
pixel_wand = NewPixelWand();
// read base image
MagickReadImage(wand, source_image_path);
ssize_t width;
ssize_t pointsize;
ssize_t stroke_width;
double scale;
char formatted_text[100] = { '\0' };
// Scale text
width = MagickGetImageWidth(wand);
scale = scaleText(top_text, formatted_text);
pointsize = width / 5.0;
stroke_width = pointsize / 30.0;
// Draw top text
PixelSetColor(pixel_wand, "white");
DrawSetFillColor(drawing_wand, pixel_wand);
DrawSetFont(drawing_wand, "Impact");
DrawSetFontSize(drawing_wand, pointsize * scale);
DrawSetFontWeight(drawing_wand, 700);
DrawSetGravity(drawing_wand, NorthGravity);
// Add a black outline to the text
PixelSetColor(pixel_wand, "black");
DrawSetStrokeWidth(drawing_wand, stroke_width * scale);
DrawSetStrokeColor(drawing_wand, pixel_wand);
// Turn on Anitalias
DrawSetTextAntialias(drawing_wand, MagickTrue);
// Draw the text
DrawAnnotation(drawing_wand, 0, 0, (const unsigned char *)formatted_text);
if (bottom_text) {
char formatted_bottom_text[100] = { '\0' };
// Scale text
width = MagickGetImageWidth(wand);
scale = scaleText(bottom_text, formatted_bottom_text);
pointsize = width / 5.0;
stroke_width = pointsize / 30.0;
// Draw bottom text
PixelSetColor(pixel_wand, "white");
DrawSetFillColor(drawing_wand, pixel_wand);
DrawSetFont(drawing_wand, "Impact");
DrawSetFontSize(drawing_wand, pointsize * scale);
DrawSetFontWeight(drawing_wand, 700);
DrawSetGravity(drawing_wand, SouthGravity);
// Add a black outline to the text
PixelSetColor(pixel_wand, "black");
DrawSetStrokeWidth(drawing_wand, stroke_width * scale);
DrawSetStrokeColor(drawing_wand, pixel_wand);
// Turn on Anitalias
DrawSetTextAntialias(drawing_wand, MagickTrue);
// Draw the text
DrawAnnotation(drawing_wand, 0, 0, (const unsigned char *)formatted_bottom_text);
}
// Draw the image on the magick wand
MagickDrawImage(wand, drawing_wand);
// Write the image
if (sink_image_path) {
MagickWriteImage(wand, sink_image_path);
} else {
MagickWriteImageFile(wand, stdout);
}
// Clean up
if(pixel_wand) pixel_wand = DestroyPixelWand(pixel_wand);
if(drawing_wand) drawing_wand = DestroyDrawingWand(drawing_wand);
if(wand) wand = DestroyMagickWand(wand);
MagickWandTerminus();
}
void test_wand(void)
{
MagickWand *magick_wand = NULL;
MagickWand *c_wand = NULL;
DrawingWand *d_wand = NULL;
PixelWand *p_wand = NULL;
// Used for text effect #3
double dargs[1] = {120.};
// Used for text effect #5
double d_args[8] = {
-0.02,0.0,
0.0,1.02,
0.0,0.0,
-0.5,1.9
};
MagickWandGenesis();
// Text effect 1 - shadow effect using MagickShadowImage
// This is derived from Anthony's Soft Shadow effect
// convert -size 300x100 xc:none -font Candice -pointsize 72 \
// -fill white -stroke black -annotate +25+65 'Anthony' \
// \( +clone -background navy -shadow 70x4+5+5 \) +swap \
// -background lightblue -flatten -trim +repage font_shadow_soft.jpg
//NOTE - if an image has a transparent background, adding a border of any colour other
// than "none" will remove all the transparency and replace it with the border's colour
magick_wand = NewMagickWand();
d_wand = NewDrawingWand();
p_wand = NewPixelWand();
PixelSetColor(p_wand,"none");
// Create a new transparent image
MagickNewImage(magick_wand,350,100,p_wand);
// Set up a 72 point white font
PixelSetColor(p_wand,"white");
DrawSetFillColor(d_wand,p_wand);
DrawSetFont (d_wand, "Verdana-Bold-Italic" ) ;
DrawSetFontSize(d_wand,72);
// Add a black outline to the text
PixelSetColor(p_wand,"black");
DrawSetStrokeColor(d_wand,p_wand);
// Turn antialias on - not sure this makes a difference
DrawSetTextAntialias(d_wand,MagickTrue);
// Now draw the text
DrawAnnotation(d_wand,25,65,(const unsigned char *)"Magick");
// Draw the image on to the magick_wand
MagickDrawImage(magick_wand,d_wand);
// Trim the image down to include only the text
MagickTrimImage(magick_wand,0);
// equivalent to the command line +repage
MagickResetImagePage(magick_wand,"");
// Make a copy of the text image
c_wand = CloneMagickWand(magick_wand);
// Set the background colour to blue for the shadow
PixelSetColor(p_wand,"blue");
MagickSetImageBackgroundColor(magick_wand,p_wand);
// Opacity is a real number indicating (apparently) percentage
MagickShadowImage(magick_wand,70,4,5,5);
// Composite the text on top of the shadow
MagickCompositeImage(magick_wand,c_wand,OverCompositeOp,5,5);
if(c_wand)c_wand = DestroyMagickWand(c_wand);
c_wand = NewMagickWand();
// Create a new image the same size as the text image and put a solid colour
// as its background
PixelSetColor(p_wand,"rgb(125,215,255)");
MagickNewImage(c_wand,MagickGetImageWidth(magick_wand),MagickGetImageHeight(magick_wand),p_wand);
// Now composite the shadowed text over the plain background
MagickCompositeImage(c_wand,magick_wand,OverCompositeOp,0,0);
// and write the result
MagickWriteImage(c_wand,"text_shadow.png");
/* Clean up */
if(magick_wand)magick_wand = DestroyMagickWand(magick_wand);
if(c_wand)c_wand = DestroyMagickWand(c_wand);
if(d_wand)d_wand = DestroyDrawingWand(d_wand);
if(p_wand)p_wand = DestroyPixelWand(p_wand);
// Text effect 2 - tiled text using the builtin checkerboard pattern
// Anthony's Tiled Font effect
// convert -size 320x100 xc:lightblue -font Candice -pointsize 72 \
// -tile pattern:checkerboard -annotate +28+68 'Anthony' \
// font_tile.jpg
magick_wand = NewMagickWand();
d_wand = NewDrawingWand();
p_wand = NewPixelWand();
set_tile_pattern(d_wand,"#check","pattern:checkerboard");
PixelSetColor(p_wand,"lightblue");
// Create a new transparent image
MagickNewImage(magick_wand,320,100,p_wand);
// Set up a 72 point font
DrawSetFont (d_wand, "Verdana-Bold-Italic" ) ;
DrawSetFontSize(d_wand,72);
// Now draw the text
DrawAnnotation(d_wand,28,68,(const unsigned char *)"Magick");
// Draw the image on to the magick_wand
MagickDrawImage(magick_wand,d_wand);
// Trim the image
MagickTrimImage(magick_wand,0);
// Add a transparent border
PixelSetColor(p_wand,"lightblue");
MagickBorderImage(magick_wand,p_wand,5,5);
// and write it
MagickWriteImage(magick_wand,"text_pattern.png");
/* Clean up */
if(magick_wand)magick_wand = DestroyMagickWand(magick_wand);
if(d_wand)d_wand = DestroyDrawingWand(d_wand);
if(p_wand)p_wand = DestroyPixelWand(p_wand);
// Text effect 3 - arc font (similar to http://www.imagemagick.org/Usage/fonts/#arc)
//convert -size 320x100 xc:lightblue -font Candice -pointsize 72 \
// -annotate +25+65 'Anthony' -distort Arc 120 \
// -trim +repage -bordercolor lightblue -border 10 font_arc.jpg
magick_wand = NewMagickWand();
d_wand = NewDrawingWand();
p_wand = NewPixelWand();
// Create a 320x100 lightblue canvas
PixelSetColor(p_wand,"lightblue");
MagickNewImage(magick_wand,320,100,p_wand);
// Set up a 72 point font
DrawSetFont (d_wand, "Verdana-Bold-Italic" ) ;
DrawSetFontSize(d_wand,72);
// Now draw the text
DrawAnnotation(d_wand,25,65,(const unsigned char *)"Magick");
// Draw the image on to the magick_wand
MagickDrawImage(magick_wand,d_wand);
MagickDistortImage(magick_wand,ArcDistortion,1,dargs,MagickFalse);
// Trim the image
MagickTrimImage(magick_wand,0);
// Add the border
PixelSetColor(p_wand,"lightblue");
MagickBorderImage(magick_wand,p_wand,10,10);
// and write it
MagickWriteImage(magick_wand,"text_arc.png");
/* Clean up */
if(magick_wand)magick_wand = DestroyMagickWand(magick_wand);
if(d_wand)d_wand = DestroyDrawingWand(d_wand);
if(p_wand)p_wand = DestroyPixelWand(p_wand);
// Text effect 4 - bevelled font http://www.imagemagick.org/Usage/fonts/#bevel
// convert -size 320x100 xc:black -font Candice -pointsize 72 \
// -fill white -annotate +25+65 'Anthony' \
// -shade 140x60 font_beveled.jpg
magick_wand = NewMagickWand();
d_wand = NewDrawingWand();
p_wand = NewPixelWand();
// Create a 320x100 canvas
PixelSetColor(p_wand,"gray");
MagickNewImage(magick_wand,320,100,p_wand);
// Set up a 72 point font
DrawSetFont (d_wand, "Verdana-Bold-Italic" ) ;
DrawSetFontSize(d_wand,72);
// Set up a 72 point white font
PixelSetColor(p_wand,"white");
DrawSetFillColor(d_wand,p_wand);
// Now draw the text
DrawAnnotation(d_wand,25,65,(const unsigned char *)"Magick");
// Draw the image on to the magick_wand
MagickDrawImage(magick_wand,d_wand);
// the "gray" parameter must be true to get the effect shown on Anthony's page
MagickShadeImage(magick_wand,MagickTrue,140,60);
#ifdef COLORIZE
PixelSetColor(p_wand,"yellow");
DrawSetFillColor(d_wand,p_wand);
cp_wand = NewPixelWand();
PixelSetColor(cp_wand,"gold");
MagickColorizeImage(magick_wand,p_wand,cp_wand);
#endif
// and write it
MagickWriteImage(magick_wand,"text_bevel.png");
/* Clean up */
if(magick_wand)magick_wand = DestroyMagickWand(magick_wand);
if(d_wand)d_wand = DestroyDrawingWand(d_wand);
if(p_wand)p_wand = DestroyPixelWand(p_wand);
#ifdef COLORIZE
if(cp_wand)cp_wand = DestroyPixelWand(cp_wand);
#endif
// Text effect 5 and 6 - Plain text and then Barrel distortion
// This one uses d_args
magick_wand = NewMagickWand();
d_wand = NewDrawingWand();
p_wand = NewPixelWand();
// Create a 320x100 transparent canvas
PixelSetColor(p_wand,"none");
MagickNewImage(magick_wand,320,100,p_wand);
// Set up a 72 point font
DrawSetFont (d_wand, "Verdana-Bold-Italic" ) ;
DrawSetFontSize(d_wand,72);
// Now draw the text
DrawAnnotation(d_wand,25,65,(const unsigned char *)"Magick");
// Draw the image on to the magick_wand
MagickDrawImage(magick_wand,d_wand);
MagickWriteImage(magick_wand,"text_plain.png");
// Trim the image
MagickTrimImage(magick_wand,0);
// Add the border
PixelSetColor(p_wand,"none");
MagickBorderImage(magick_wand,p_wand,10,10);
// MagickSetImageMatte(magick_wand,MagickTrue);
// MagickSetImageVirtualPixelMethod(magick_wand,TransparentVirtualPixelMethod);
// d_args[0] = 0.1;d_args[1] = -0.25;d_args[2] = -0.25; [3] += .1
// The first value should be positive. If it is negative the image is *really* distorted
d_args[0] = 0.0;
d_args[1] = 0.0;
d_args[2] = 0.5;
// d_args[3] should normally be chosen such the sum of all 4 values is 1
// so that the result is the same size as the original
// You can override the sum with a different value
// If the sum is greater than 1 the resulting image will be smaller than the original
d_args[3] = 1 - (d_args[0] + d_args[1] + d_args[2]);
// Make the result image smaller so that it isn't as likely
// to overflow the edges
// d_args[3] += 0.1;
// 0.0,0.0,0.5,0.5,0.0,0.0,-0.5,1.9
d_args[3] = 0.5;
d_args[4] = 0.0;
d_args[5] = 0.0;
d_args[6] = -0.5;
d_args[7] = 1.9;
// DON'T FORGET to set the correct number of arguments here
MagickDistortImage(magick_wand,BarrelDistortion,8,d_args,MagickTrue);
// MagickResetImagePage(magick_wand,"");
// Trim the image again
MagickTrimImage(magick_wand,0);
// Add the border
PixelSetColor(p_wand,"none");
MagickBorderImage(magick_wand,p_wand,10,10);
// and write it
MagickWriteImage(magick_wand,"text_barrel.png");
/* Clean up */
if(magick_wand)magick_wand = DestroyMagickWand(magick_wand);
if(d_wand)d_wand = DestroyDrawingWand(d_wand);
if(p_wand)p_wand = DestroyPixelWand(p_wand);
// Text effect 7 - Polar distortion
// This one uses d_args[0]
magick_wand = NewMagickWand();
d_wand = NewDrawingWand();
p_wand = NewPixelWand();
// Create a 320x200 transparent canvas
PixelSetColor(p_wand,"none");
MagickNewImage(magick_wand,320,200,p_wand);
// Set up a 72 point font
DrawSetFont (d_wand, "Verdana-Bold-Italic" ) ;
DrawSetFontSize(d_wand,72);
// Now draw the text
DrawAnnotation(d_wand,25,65,(const unsigned char *)"Magick");
// Draw the image on to the magick_wand
MagickDrawImage(magick_wand,d_wand);
d_args[0] = 0.0;
// DON'T FORGET to set the correct number of arguments here
MagickDistortImage(magick_wand,PolarDistortion,1,d_args,MagickTrue);
// MagickResetImagePage(magick_wand,"");
// Trim the image again
MagickTrimImage(magick_wand,0);
// Add the border
PixelSetColor(p_wand,"none");
MagickBorderImage(magick_wand,p_wand,10,10);
// and write it
MagickWriteImage(magick_wand,"text_polar.png");
/* Clean up */
if(magick_wand)magick_wand = DestroyMagickWand(magick_wand);
if(d_wand)d_wand = DestroyDrawingWand(d_wand);
if(p_wand)p_wand = DestroyPixelWand(p_wand);
// Text effect 8 - Shepard's distortion
// This one uses d_args[0]
magick_wand = NewMagickWand();
d_wand = NewDrawingWand();
p_wand = NewPixelWand();
// Create a 320x200 transparent canvas
PixelSetColor(p_wand,"none");
MagickNewImage(magick_wand,640,480,p_wand);
// Set up a 72 point font
DrawSetFont (d_wand, "Verdana-Bold-Italic" ) ;
DrawSetFontSize(d_wand,72);
// Now draw the text
DrawAnnotation(d_wand,50,240,(const unsigned char *)"Magick Rocks");
// Draw the image on to the magick_wand
MagickDrawImage(magick_wand,d_wand);
d_args[0] = 150.0;
d_args[1] = 190.0;
d_args[2] = 100.0;
d_args[3] = 290.0;
d_args[4] = 500.0;
d_args[5] = 200.0;
d_args[6] = 430.0;
d_args[7] = 130.0;
// DON'T FORGET to set the correct number of arguments here
MagickDistortImage(magick_wand,ShepardsDistortion,8,d_args,MagickTrue);
// Trim the image
MagickTrimImage(magick_wand,0);
// Add the border
PixelSetColor(p_wand,"none");
MagickBorderImage(magick_wand,p_wand,10,10);
// and write it
MagickWriteImage(magick_wand,"text_shepards.png");
/* Clean up */
if(magick_wand)magick_wand = DestroyMagickWand(magick_wand);
if(d_wand)d_wand = DestroyDrawingWand(d_wand);
if(p_wand)p_wand = DestroyPixelWand(p_wand);
MagickWandTerminus();
}
MAGICK_NET_EXPORT void DrawingWand_TextAntialias(DrawingWand *instance, MagickBooleanType value, ExceptionInfo **exception)
{
DrawSetTextAntialias(instance, value);
MAGICK_NET_SET_DRAW_EXCEPTION;
}