static void Quartz_SetLineMitre(double lmitre, NewDevDesc *dd)
{
QuartzDesc *xd = (QuartzDesc*)dd->deviceSpecific;
if (lmitre < 1)
error(_("Invalid line mitre"));
CGContextSetMiterLimit( GetContext(xd), lmitre);
}
FX_BOOL CFX_QuartzDeviceDriver::DrawPath(const CFX_PathData* pathData,
const CFX_AffineMatrix* matrix,
const CFX_GraphStateData* graphState,
FX_DWORD fillArgb,
FX_DWORD strokeArgb,
int fillMode,
int alpha_flag,
void* pIccTransform,
int blend_type
)
{
SaveState();
CGBlendMode mode = GetCGBlendMode(blend_type);
if (mode != kCGBlendModeNormal) {
CGContextSetBlendMode(_context, mode);
}
CGAffineTransform m = CGAffineTransformIdentity;
if (matrix) {
m = CGAffineTransformMake(matrix->GetA(), matrix->GetB(), matrix->GetC(), matrix->GetD(), matrix->GetE(), matrix->GetF());
}
m = CGAffineTransformConcat(m, _foxitDevice2User);
CGContextConcatCTM(_context, m);
int pathMode = 0;
if (graphState && strokeArgb) {
CGContextSetMiterLimit(_context, graphState->m_MiterLimit);
FX_FLOAT lineWidth = getLineWidth(graphState, m);
setStrokeInfo(graphState, strokeArgb, lineWidth);
pathMode |= 4;
}
if (fillMode && fillArgb) {
setFillInfo(fillArgb);
if ((fillMode & 3) == FXFILL_WINDING) {
pathMode |= 1;
} else if ((fillMode & 3) == FXFILL_ALTERNATE) {
pathMode |= 2;
}
}
setPathToContext(pathData);
if (fillMode & FXFILL_FULLCOVER) {
CGContextSetShouldAntialias(_context, false);
}
if (pathMode == 4) {
CGContextStrokePath(_context);
} else if (pathMode == 1) {
CGContextFillPath(_context);
} else if (pathMode == 2) {
CGContextEOFillPath(_context);
} else if (pathMode == 5) {
CGContextDrawPath(_context, kCGPathFillStroke);
} else if (pathMode == 6) {
CGContextDrawPath(_context, kCGPathEOFillStroke);
}
RestoreState(FALSE);
return TRUE;
}
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);
}
void GraphicsContext::setMiterLimit(float limit)
{
if (paintingDisabled())
return;
CGContextSetMiterLimit(platformContext(), limit);
}
void MyTimerProc ( EventLoopTimerRef inTimer, void *inUserData )
{
WindowRef window = (WindowRef)inUserData;
static int i = 0;
static int j = 0;
static int step = 5;
GrafPtr curPort;
CGContextRef context;
CGrafPtr windowPort = GetWindowPort( window );
GetPort(&curPort);
SetPort(windowPort);
CreateCGContextForPort( windowPort, &context );
// Do our drawing in here
CGContextSetGrayFillColor( context, 0.0, 1.0 );
CGContextFillRect( context, CGRectMake( 0, 0, 800, 600 ) );
CGContextSetGrayFillColor( context, 1.0, 1.0 );
CGContextSetRGBStrokeColor( context, 1.0, 0.0, 0.0, 1.0 );
CGContextSetLineWidth( context, 5.0 );
CGContextSetLineCap( context, kCGLineCapRound );
CGContextSetLineJoin( context, kCGLineJoinRound );
CGContextSetMiterLimit( context, 5 );
// Draw each of the 4 transform demos
//
// 1. Translate - move the origin, draw the graphic
// Place the origin in the llh corner of the upper left quadrant
CGContextSaveGState( context );
CGContextTranslateCTM( context, i / 2, i / 2 + 300 );
CGContextRotateCTM( context, -2.0 * 3.1416 / 8 );
drawGraphic( context, 0, 0 );
CGContextRestoreGState( context );
// 2. Rotate - move origin, do rotation, draw the graphic
// Put the origin back into the llh corner of the upper right quadrant
CGContextSaveGState( context );
if ( j < 1000/2 )
{
// Rotate around left circle
CGContextTranslateCTM( context, 500, 450 );
CGContextRotateCTM( context, -j * 3.1416 * 2.0 / 500.0 - 3.1416 );
CGContextTranslateCTM( context, -100, -20 );
drawGraphic( context, 0, 0 );
}
if ( j >= 1000/2 )
{
// Rotate under bottom half and over top right 1/4
CGContextTranslateCTM( context, 700, 450 );
CGContextRotateCTM( context, j * 3.1416 * 2.0 / 500.0 );
CGContextScaleCTM( context, 1, 1 );
CGContextTranslateCTM( context, -100, 20 );
CGContextRotateCTM( context, 3.1416 );
drawGraphic( context, 0, 0 );
}
CGContextRestoreGState( context );
// 3. Scale - move origin, set scale, draw the graphic
CGContextSaveGState( context );
CGContextScaleCTM( context, i * 400.0 / 500.0 / 40.0, i * 300.0 / 500.0 / 40.0 );
CGContextRotateCTM( context, -3.1416 / 4 );
drawGraphic( context, 0, 0 );
CGContextRestoreGState( context );
// 4. Show the basic graphic
CGContextTranslateCTM( context, 600, 150 );
drawGraphic( context, 0, 0 );
CGContextFlush( context );
CGContextRelease( context );
SetPort ( curPort );
i += step;
j += abs( step );
if ( i >= 500 )
{
step = -step;
}
if ( i <= 0 )
{
step = -step;
j = 0;
}
}
