wxMetafileRefData::wxMetafileRefData( int width, int height)
{
Init();
m_width = width;
m_height = height;
CGRect r = CGRectMake( 0 , 0 , width , height );
CFMutableDataRef data = CFDataCreateMutable(kCFAllocatorDefault, 0);
m_data.reset(data);
CGDataConsumerRef dataConsumer = wxMacCGDataConsumerCreateWithCFData(data);
m_context = CGPDFContextCreate( dataConsumer, (width != 0 && height != 0) ? &r : NULL , NULL );
CGDataConsumerRelease( dataConsumer );
if ( m_context )
{
CGPDFContextBeginPage(m_context, NULL);
CGColorSpaceRef genericColorSpace = wxMacGetGenericRGBColorSpace();
CGContextSetFillColorSpace( m_context, genericColorSpace );
CGContextSetStrokeColorSpace( m_context, genericColorSpace );
CGContextTranslateCTM( m_context , 0 , height ) ;
CGContextScaleCTM( m_context , 1 , -1 ) ;
}
}
void Picture_copyToClipboard (Picture me) {
/*
* Find the clipboard and clear it.
*/
PasteboardRef clipboard = nullptr;
PasteboardCreate (kPasteboardClipboard, & clipboard);
PasteboardClear (clipboard);
/*
* Add a PDF flavour to the clipboard.
*/
static CGDataConsumerCallbacks callbacks = { appendBytes, nullptr };
CFDataRef data = CFDataCreateMutable (kCFAllocatorDefault, 0);
CGDataConsumerRef consumer = CGDataConsumerCreate ((void *) data, & callbacks);
int resolution = 600;
CGRect rect = CGRectMake (0, 0, (my selx2 - my selx1) * resolution, (my sely1 - my sely2) * resolution);
CGContextRef context = CGPDFContextCreate (consumer, & rect, nullptr);
//my selx1 * RES, (12 - my sely2) * RES, my selx2 * RES, (12 - my sely1) * RES)
{// scope
autoGraphics graphics = Graphics_create_pdf (context, resolution, my selx1, my selx2, my sely1, my sely2);
Graphics_play (my graphics.get(), graphics.get());
}
PasteboardPutItemFlavor (clipboard, (PasteboardItemID) 1, kUTTypePDF, data, kPasteboardFlavorNoFlags);
CFRelease (data);
/*
* Forget the clipboard.
*/
CFRelease (clipboard);
}
/* The idea of a scratch context comes from WebKit */
static CGContextRef
CreateScratchContext()
{
CGDataConsumerCallbacks callbacks = {PutBytesNull, nullptr};
CGDataConsumerRef consumer = CGDataConsumerCreate(nullptr, &callbacks);
CGContextRef cg = CGPDFContextCreate(consumer, nullptr, nullptr);
CGDataConsumerRelease(consumer);
return cg;
}
static CGContextRef createScratchContext()
{
CGDataConsumerCallbacks callbacks = { putBytesNowhere, 0 };
RetainPtr<CGDataConsumerRef> consumer(AdoptCF, CGDataConsumerCreate(0, &callbacks));
CGContextRef context = CGPDFContextCreate(consumer.get(), 0, 0);
CGFloat black[4] = { 0, 0, 0, 1 };
CGContextSetFillColor(context, black);
CGContextSetStrokeColor(context, black);
return context;
}
CGContextRef scratchContext()
{
static CGContextRef scratch = 0;
if (!scratch) {
CFMutableDataRef empty = CFDataCreateMutable(NULL, 0);
CGDataConsumerRef consumer = CGDataConsumerCreateWithCFData(empty);
scratch = CGPDFContextCreate(consumer, NULL, NULL);
CGDataConsumerRelease(consumer);
CFRelease(empty);
CGFloat black[4] = {0, 0, 0, 1};
CGContextSetFillColor(scratch, black);
CGContextSetStrokeColor(scratch, black);
}
return scratch;
}
static void quartzgen_begin_page(GVJ_t *job)
{
CGRect bounds = CGRectMake(0.0, 0.0, job->width, job->height);
if (!job->context) {
switch (job->device.id) {
case FORMAT_PDF:
{
/* create the auxiliary info for PDF content, author and title */
CFStringRef auxiliaryKeys[] = {
kCGPDFContextCreator,
kCGPDFContextTitle
};
CFStringRef auxiliaryValues[] = {
CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("%s %s"), job->common->info[0], job->common->info[1]),
job->obj->type == ROOTGRAPH_OBJTYPE ?
CFStringCreateWithBytesNoCopy(kCFAllocatorDefault, (const UInt8 *)job->obj->u.g->name, strlen(job->obj->u.g->name), kCFStringEncodingUTF8, false, kCFAllocatorNull)
: CFSTR("")
};
CFDictionaryRef auxiliaryInfo = CFDictionaryCreate(
kCFAllocatorDefault,
(const void **)&auxiliaryKeys,
(const void **)&auxiliaryValues,
sizeof(auxiliaryValues)/sizeof(auxiliaryValues[0]),
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks
);
/* create a PDF for drawing into */
CGDataConsumerRef data_consumer = CGDataConsumerCreate(job, &device_data_consumer_callbacks);
job->context = CGPDFContextCreate(data_consumer, &bounds, auxiliaryInfo);
/* clean up */
CGDataConsumerRelease(data_consumer);
CFRelease(auxiliaryInfo);
int i;
for (i = 0; i < sizeof(auxiliaryValues)/sizeof(auxiliaryValues[0]); ++i)
CFRelease(auxiliaryValues[i]);
}
break;
default: /* bitmap formats */
{
size_t bytes_per_row = (job->width * BYTES_PER_PIXEL + BYTE_ALIGN) & ~BYTE_ALIGN;
void* buffer = NULL;
#if __ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__ >= 20000
/* iPhoneOS has no swap files for memory, so if we're short of memory we need to make our own temp scratch file to back it */
size_t buffer_size = job->height * bytes_per_row;
mach_msg_type_number_t vm_info_size = HOST_VM_INFO_COUNT;
vm_statistics_data_t vm_info;
if (host_statistics(mach_host_self(), HOST_VM_INFO, (host_info_t)&vm_info, &vm_info_size) != KERN_SUCCESS
|| buffer_size * 2 > vm_info.free_count * vm_page_size)
{
FILE* temp_file = tmpfile();
if (temp_file)
{
int temp_file_descriptor = fileno(temp_file);
if (temp_file_descriptor >= 0 && ftruncate(temp_file_descriptor, buffer_size) == 0)
{
buffer = mmap(
NULL,
buffer_size,
PROT_READ | PROT_WRITE,
MAP_FILE | MAP_SHARED,
temp_file_descriptor,
0);
if (buffer == (void*)-1)
buffer = NULL;
}
fclose(temp_file);
}
}
if (!buffer)
buffer = mmap(
NULL,
buffer_size,
PROT_READ | PROT_WRITE,
MAP_ANON| MAP_SHARED,
-1,
0);
#endif
/* create a true color bitmap for drawing into */
CGColorSpaceRef color_space = CGColorSpaceCreateDeviceRGB();
job->context = CGBitmapContextCreate(
buffer, /* data: MacOSX lets system allocate, iPhoneOS use manual memory mapping */
job->width, /* width in pixels */
job->height, /* height in pixels */
BITS_PER_COMPONENT, /* bits per component */
bytes_per_row, /* bytes per row: align to 16 byte boundary */
color_space, /* color space: device RGB */
kCGImageAlphaPremultipliedFirst /* bitmap info: premul ARGB has best support in OS X */
);
job->imagedata = CGBitmapContextGetData((CGContextRef)job->context);
/* clean up */
CGColorSpaceRelease(color_space);
}
break;
}
}
/* start the page (if this is a paged context) and graphics state */
CGContextRef context = (CGContextRef)job->context;
CGContextBeginPage(context, &bounds);
CGContextSaveGState(context);
CGContextSetMiterLimit(context, 1.0);
CGContextSetLineJoin(context, kCGLineJoinRound);
/* set up the context transformation */
CGContextScaleCTM(context, job->scale.x, job->scale.y);
CGContextRotateCTM(context, -job->rotation * M_PI / 180.0);
CGContextTranslateCTM(context, job->translation.x, job->translation.y);
}
