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FreeJ/xcode/CVFilter.mm
xant 2a520b4e84 CVFilter are now properly created and applied
but can't be controlled from the gui (yet)
2010-06-14 23:21:38 +02:00

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/*
* CVFilter.mm
* freej
*
* Created by xant on 5/4/10.
* Copyright 2010 dyne.org. All rights reserved.
*
* This source code is free software; you can redistribute it and/or
* modify it under the terms of the GNU Public License as published
* by the Free Software Foundation; either version 2 of the License,
* or (at your option) any later version.
*
* This source code is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* Please refer to the GNU Public License for more details.
*
* You should have received a copy of the GNU Public License along with
* this source code; if not, write to:
* Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* "$Id:$"
*
*/
#include <QuartzCore/QuartzCore.h>
#include "CVFilter.h"
#include "CVFilterInstance.h"
#include <linklist.h>
#include <layer.h>
#ifdef WITH_COCOA
#define FILTERS_MAX 18
static char *fNames[FILTERS_MAX] = {
(char *)"ZoomBlur",
(char *)"BoxBlur",
(char *)"DiscBlur",
(char *)"GaussianBlur",
(char *)"ColorPosterize",
(char *)"ColorInvert",
(char *)"ComicEffect",
(char *)"Crystalize",
(char *)"Edges",
(char *)"EdgeWork",
(char *)"HueAdjust",
(char *)"HexagonalPixellate",
(char *)"HoleDistorsion",
//(char *)"BumpDistorsion",
(char *)"CircleSplashDistortion",
(char *)"CircularWrap",
(char *)"PinchDistortion",
(char *)"TwirlDistortion",
(char *)"VortexDistortion"
};
static FilterParams fParams[FILTERS_MAX] =
{
{ 1, { { (char*)"inputAmount", 0.0, 50.0 } } }, // ZoomBlur
{ 1, { { (char*)"inputRadius", 1.0, 100.0 } } }, // BoxBlur
//{ 2, { { "inputRadius", 0.0, 50.0 }, { "inputAngle", -3.14, 3.14 } } }, // MotionBlur
{ 1, { { (char*)"inputRadius", 0.0, 50.0 } } }, // DiscBlur
{ 1, { { (char*)"inputRadius", 0.0, 100.0 } } }, // GaussianBlur
{ 1, { { (char*)"inputLevels", 2.0, 30.0 } } }, // ColorPosterize
{ 0, { { NULL, 0.0, 0.0 } } }, // ColorInvert
{ 0, { { NULL, 0.0, 0.0 } } }, // ComicEffect
{ 3, { { (char*)"CenterX", 0.0, 100.0 }, { (char*)"CenterY", 0.0, 100.0 }, { (char*)"inputRadius", 1.0, 100.0 } } }, // Crystalize
{ 1, { { (char*)"inputIntensity", 0.0, 10.0 } } }, // Edges
{ 1, { { (char*)"inputRadius", 0.0, 20.0 } } }, // EdgeWork
{ 1, { { (char*)"inputAngle", -3.14, 3.14 } } }, // HueAdjust
{ 3, { { (char*)"CenterX", 0.0, 100.0 }, { (char*)"CenterY", 0.0, 100.0 }, { (char*)"inputScale", 1.0, 100.0 } } }, // HexagonalPixellate
{ 3, { { (char*)"CenterX", 0.0, 100.0 }, { (char*)"CenterY", 0.0, 100.0 }, { (char*)"inputRadius", 0.01, 1000.0 } } }, // HoleDistortion
//{ 4, { { "CenterX", 0.0, 100.0 }, { "CenterY", 0.0, 100.0 }, { "inputRadius", 0.00, 600.0 }, { "inputScale", -1.0, 1.0 } } }, // BumpDistortion
{ 3, { { (char*)"CenterX", 0.0, 100.0 }, { (char*)"CenterY", 0.0, 100.0 }, { (char*)"inputRadius", 0.00, 1000.0 } } }, // CircleSplashDistortion
{ 4, { { (char*)"CenterX", 0.0, 100.0 }, { (char*)"CenterY", 0.0, 100.0 }, { (char*)"inputRadius", 0.00, 600.0 }, { (char*)"inputAngle", -3.14, 3.14 } } }, // CircularWrap
{ 4, { { (char*)"CenterX", 0.0, 100.0 }, { (char*)"CenterY", 0.0, 100.0 }, { (char*)"inputRadius", 0.00, 1000.0 }, { (char*)"inputScale", 0.0, 1.0 } } }, // PinchDistortion
{ 4, { { (char*)"CenterX", 0.0, 100.0 }, { (char*)"CenterY", 0.0, 100.0 }, { (char*)"inputRadius", 0.00, 500.0 }, { (char*)"inputAngle", -12.57, 12.57 } } }, // TwirlDistortion
{ 4, { { (char*)"CenterX", 0.0, 100.0 }, { (char*)"CenterY", 0.0, 100.0 }, { (char*)"inputRadius", 0.00, 800.0 }, { (char*)"inputAngle", -94.25, 94.25 } } }, // VortexDistortion
};
void CVFilter::listFilters(Linklist<Filter> &outputList) {
for (int i = 0; i < FILTERS_MAX; i++) {
CVFilter *filt = new CVFilter();
filt->open(fNames[i]);
outputList.append((Filter *)filt);
}
}
CVFilter::CVFilter()
{
opened = false;
//filterDescr = NULL;
//filterName = NULL;
set_name((char *)"Unknown");
}
CVFilter::~CVFilter()
{
// if (filterName)
// free(filterName)
// if (filterDescr)
// free(filterDescr);
}
int CVFilter::type()
{
return Filter::COREIMAGE;
}
int CVFilter::open(char *name)
{
if (opened) {
// TODO - Error messages
return 0;
}
//filterName = [[NSString stringWithFormat:@"CI%s", name] retain];
set_name(name);
for (int i = 0; i < FILTERS_MAX; i++) {
if (strcmp(fNames[i], name) == 0) {
desc = &fParams[i];
opened = true;
return 1;
}
}
//[ciFilter setName:[[sender selectedItem] title]];
return 0;
}
bool CVFilter::apply(Layer *lay, FilterInstance *instance)
{
if (lay->type == Layer::GL_COCOA) {
} else {
}
return Filter::apply(lay, instance);
}
const char *CVFilter::description()
{
//return (char *)[[CIFilter localizedDescriptionForFilterName:[NSString stringWithUTF8String:name]] UTF8String];
return NULL;
}
void CVFilter::print_info()
{
/*
notice("Name : %s", [name UTF8String]);
act("%s",[description UTF8String];);
act("Type : CoreImage Filter");
NSArray *paramNames = [cifilter inputKeys];
act("Parameters [%i total]", [paramNames count]);
for (int i = 1; i <= [paramNames count]; ++i) {
char tmp[256];
snprintf(tmp,255," [%i] %s ",i-1, [(NSString *)[paramNames objectAtIndex:i] UTF8String]);
act("%s (double) %s",tmp, param_infos[i].explanation);
}
*/
}
char *CVFilter::get_parameter_description(int i)
{
if (i >= desc->nParams)
return NULL;
return desc->params[i].label;
}
void CVFilter::destruct(FilterInstance *inst)
{
}
void CVFilter::update(FilterInstance *inst, double time, uint32_t *inframe, uint32_t *outframe) {
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
CVFilterInstance *cvInst = (CVFilterInstance *)inst; // XXX - highly unsafe ... find a proper solution
// first wrap the input buffer in a CVPixelBuffer
CVPixelBufferRef pixelBufferIn;
Layer *layer = inst->get_layer();
if (layer) {
CVReturn cvRet = CVPixelBufferCreateWithBytes (
NULL,
layer->geo.w,
layer->geo.h,
k32ARGBPixelFormat,
inframe,
layer->geo.w*4,
NULL,
NULL,
NULL,
&pixelBufferIn
);
if (cvRet != noErr) {
// TODO - Error Messages
}
// than create a CIImage to use as input-image
CIImage *inputImage = [CIImage imageWithCVImageBuffer:pixelBufferIn];
// TODO - CVFilterInstance should expose an accessor to access the CIFilter instance
CIFilter *ciFilter = cvInst->get_filter();
// apply the filter
[ciFilter setValue:inputImage forKey:@"inputImage"];
CIImage *outputImage = [ciFilter valueForKey:@"outputImage"];
// draw the result image in the given output buffer
CGColorSpaceRef colorSpace = CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB);
CGRect bounds = CGRectMake(0, 0, layer->geo.w, layer->geo.h);
[cvInst->get_context() render:outputImage
toBitmap:outframe
rowBytes:layer->geo.w*4
bounds:bounds
format:kCIFormatARGB8
colorSpace:colorSpace];
CGColorSpaceRelease(colorSpace);
CVPixelBufferRelease(pixelBufferIn);
}
[pool release];
}
#endif