Differential D11791 Diff 40163 source/blender/compositor/operations/COM_ScaleOperation.cc

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source/blender/compositor/operations/COM_ScaleOperation.cc

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* You should have received a copy of the GNU General Public License		* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,		* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.		* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*		*
* Copyright 2011, Blender Foundation.		* Copyright 2011, Blender Foundation.
*/		*/

#include "COM_ScaleOperation.h"		#include "COM_ScaleOperation.h"
		#include "COM_ConstantOperation.h"

namespace blender::compositor {		namespace blender::compositor {

#define USE_FORCE_BILINEAR		#define USE_FORCE_BILINEAR
/* XXX(campbell): ignore input and use default from old compositor,		/* XXX(campbell): ignore input and use default from old compositor,
* could become an option like the transform node.		* could become an option like the transform node.
*		*
* NOTE: use bilinear because bicubic makes fuzzy even when not scaling at all (1:1)		* NOTE: use bilinear because bicubic makes fuzzy even when not scaling at all (1:1)
Show All 19 Lines	ScaleOperation::ScaleOperation(DataType data_type) : BaseScaleOperation()
this->addInputSocket(DataType::Value);		this->addInputSocket(DataType::Value);
this->addInputSocket(DataType::Value);		this->addInputSocket(DataType::Value);
this->addOutputSocket(data_type);		this->addOutputSocket(data_type);
this->setResolutionInputSocketIndex(0);		this->setResolutionInputSocketIndex(0);
this->m_inputOperation = nullptr;		this->m_inputOperation = nullptr;
this->m_inputXOperation = nullptr;		this->m_inputXOperation = nullptr;
this->m_inputYOperation = nullptr;		this->m_inputYOperation = nullptr;
}		}

		float ScaleOperation::get_constant_scale(const int input_op_idx, const float factor)
		{
		const bool is_constant = getInputOperation(input_op_idx)->get_flags().is_constant_operation;
		if (is_constant) {
		return ((ConstantOperation )getInputOperation(input_op_idx))->get_constant_elem()[0] factor;
		}

		return 1.0f;
		}

		float ScaleOperation::get_constant_scale_x()
		{
		return get_constant_scale(1, get_relative_scale_x_factor());
		}

		float ScaleOperation::get_constant_scale_y()
		{
		return get_constant_scale(2, get_relative_scale_y_factor());
		}

		BLI_INLINE float scale_coord(const int coord, const float center, const float relative_scale)
		{
		return center + (coord - center) / relative_scale;
		}

		void ScaleOperation::scale_area(rcti &rect, float scale_x, float scale_y)
		{
		rect.xmin = scale_coord(rect.xmin, m_centerX, scale_x);
		rect.xmax = scale_coord(rect.xmax, m_centerX, scale_x);
		rect.ymin = scale_coord(rect.ymin, m_centerY, scale_y);
		rect.ymax = scale_coord(rect.ymax, m_centerY, scale_y);
		}

		void ScaleOperation::init_data()
		{
		m_centerX = getWidth() / 2.0f;
		m_centerY = getHeight() / 2.0f;
		}

void ScaleOperation::initExecution()		void ScaleOperation::initExecution()
{		{
this->m_inputOperation = this->getInputSocketReader(0);		this->m_inputOperation = this->getInputSocketReader(0);
this->m_inputXOperation = this->getInputSocketReader(1);		this->m_inputXOperation = this->getInputSocketReader(1);
this->m_inputYOperation = this->getInputSocketReader(2);		this->m_inputYOperation = this->getInputSocketReader(2);
this->m_centerX = this->getWidth() / 2.0;
this->m_centerY = this->getHeight() / 2.0;
}		}

void ScaleOperation::deinitExecution()		void ScaleOperation::deinitExecution()
{		{
this->m_inputOperation = nullptr;		this->m_inputOperation = nullptr;
this->m_inputXOperation = nullptr;		this->m_inputXOperation = nullptr;
this->m_inputYOperation = nullptr;		this->m_inputYOperation = nullptr;
}		}

void ScaleOperation::executePixelSampled(float output[4], float x, float y, PixelSampler sampler)		void ScaleOperation::get_area_of_interest(const int input_idx,
		const rcti &output_area,
		rcti &r_input_area)
		{
		r_input_area = output_area;
		if (input_idx != 0 \|\| m_variable_size) {
		return;
		}

		float scale_x = get_constant_scale_x();
		float scale_y = get_constant_scale_y();
		scale_area(r_input_area, scale_x, scale_y);
		expand_area_for_sampler(r_input_area, (PixelSampler)m_sampler);
		}

		void ScaleOperation::update_memory_buffer_partial(MemoryBuffer *output,
		const rcti &area,
		Span<MemoryBuffer *> inputs)
		{
		const MemoryBuffer *input_img = inputs[0];
		MemoryBuffer *input_x = inputs[1];
		MemoryBuffer *input_y = inputs[2];
		const float scale_x_factor = get_relative_scale_x_factor();
		const float scale_y_factor = get_relative_scale_y_factor();
		BuffersIterator<float> it = output->iterate_with({input_x, input_y}, area);
		for (; !it.is_end(); ++it) {
		const float rel_scale_x = it.in(0) scale_x_factor;
		const float rel_scale_y = it.in(1) scale_y_factor;
		const float scaled_x = scale_coord(it.x, m_centerX, rel_scale_x);
		const float scaled_y = scale_coord(it.y, m_centerY, rel_scale_y);
		input_img->read_elem_sampled(scaled_x, scaled_y, (PixelSampler)m_sampler, it.out);
		}
		}

		ScaleRelativeOperation::ScaleRelativeOperation() : ScaleOperation()
		{
		}

		ScaleRelativeOperation::ScaleRelativeOperation(DataType data_type) : ScaleOperation(data_type)
		{
		}

		void ScaleRelativeOperation::executePixelSampled(float output[4],
		float x,
		float y,
		PixelSampler sampler)
{		{
PixelSampler effective_sampler = getEffectiveSampler(sampler);		PixelSampler effective_sampler = getEffectiveSampler(sampler);

float scaleX[4];		float scaleX[4];
float scaleY[4];		float scaleY[4];

this->m_inputXOperation->readSampled(scaleX, x, y, effective_sampler);		this->m_inputXOperation->readSampled(scaleX, x, y, effective_sampler);
this->m_inputYOperation->readSampled(scaleY, x, y, effective_sampler);		this->m_inputYOperation->readSampled(scaleY, x, y, effective_sampler);

const float scx = scaleX[0];		const float scx = scaleX[0];
const float scy = scaleY[0];		const float scy = scaleY[0];

float nx = this->m_centerX + (x - this->m_centerX) / scx;		float nx = this->m_centerX + (x - this->m_centerX) / scx;
float ny = this->m_centerY + (y - this->m_centerY) / scy;		float ny = this->m_centerY + (y - this->m_centerY) / scy;
this->m_inputOperation->readSampled(output, nx, ny, effective_sampler);		this->m_inputOperation->readSampled(output, nx, ny, effective_sampler);
}		}

bool ScaleOperation::determineDependingAreaOfInterest(rcti *input,		bool ScaleRelativeOperation::determineDependingAreaOfInterest(rcti *input,
ReadBufferOperation *readOperation,		ReadBufferOperation *readOperation,
rcti *output)		rcti *output)
{		{
rcti newInput;		rcti newInput;
if (!m_variable_size) {		if (!m_variable_size) {
float scaleX[4];		float scaleX[4];
float scaleY[4];		float scaleY[4];

this->m_inputXOperation->readSampled(scaleX, 0, 0, PixelSampler::Nearest);		this->m_inputXOperation->readSampled(scaleX, 0, 0, PixelSampler::Nearest);
this->m_inputYOperation->readSampled(scaleY, 0, 0, PixelSampler::Nearest);		this->m_inputYOperation->readSampled(scaleY, 0, 0, PixelSampler::Nearest);
Show All 10 Lines	else {
newInput.xmax = this->getWidth();		newInput.xmax = this->getWidth();
newInput.xmin = 0;		newInput.xmin = 0;
newInput.ymax = this->getHeight();		newInput.ymax = this->getHeight();
newInput.ymin = 0;		newInput.ymin = 0;
}		}
return BaseScaleOperation::determineDependingAreaOfInterest(&newInput, readOperation, output);		return BaseScaleOperation::determineDependingAreaOfInterest(&newInput, readOperation, output);
}		}

// SCALE ABSOLUTE
ScaleAbsoluteOperation::ScaleAbsoluteOperation() : BaseScaleOperation()
{
this->addInputSocket(DataType::Color);
this->addInputSocket(DataType::Value);
this->addInputSocket(DataType::Value);
this->addOutputSocket(DataType::Color);
this->setResolutionInputSocketIndex(0);
this->m_inputOperation = nullptr;
this->m_inputXOperation = nullptr;
this->m_inputYOperation = nullptr;
}
void ScaleAbsoluteOperation::initExecution()
{
this->m_inputOperation = this->getInputSocketReader(0);
this->m_inputXOperation = this->getInputSocketReader(1);
this->m_inputYOperation = this->getInputSocketReader(2);
this->m_centerX = this->getWidth() / 2.0;
this->m_centerY = this->getHeight() / 2.0;
}

void ScaleAbsoluteOperation::deinitExecution()
{
this->m_inputOperation = nullptr;
this->m_inputXOperation = nullptr;
this->m_inputYOperation = nullptr;
}

void ScaleAbsoluteOperation::executePixelSampled(float output[4],		void ScaleAbsoluteOperation::executePixelSampled(float output[4],
float x,		float x,
float y,		float y,
PixelSampler sampler)		PixelSampler sampler)
{		{
PixelSampler effective_sampler = getEffectiveSampler(sampler);		PixelSampler effective_sampler = getEffectiveSampler(sampler);

float scaleX[4];		float scaleX[4];
▲ Show 20 Lines • Show All 43 Lines • ▼ Show 20 Lines	if (!m_variable_size) {
newInput.ymin = this->m_centerY + (input->ymin - this->m_centerY) / relateveYScale;		newInput.ymin = this->m_centerY + (input->ymin - this->m_centerY) / relateveYScale;
}		}
else {		else {
newInput.xmax = this->getWidth();		newInput.xmax = this->getWidth();
newInput.xmin = 0;		newInput.xmin = 0;
newInput.ymax = this->getHeight();		newInput.ymax = this->getHeight();
newInput.ymin = 0;		newInput.ymin = 0;
}		}
		return ScaleOperation::determineDependingAreaOfInterest(&newInput, readOperation, output);
return BaseScaleOperation::determineDependingAreaOfInterest(&newInput, readOperation, output);
}		}

// Absolute fixed size		// Absolute fixed size
ScaleFixedSizeOperation::ScaleFixedSizeOperation() : BaseScaleOperation()		ScaleFixedSizeOperation::ScaleFixedSizeOperation() : BaseScaleOperation()
{		{
this->addInputSocket(DataType::Color, ResizeMode::None);		this->addInputSocket(DataType::Color, ResizeMode::None);
this->addOutputSocket(DataType::Color);		this->addOutputSocket(DataType::Color);
this->setResolutionInputSocketIndex(0);		this->setResolutionInputSocketIndex(0);
this->m_inputOperation = nullptr;		this->m_inputOperation = nullptr;
this->m_is_offset = false;		this->m_is_offset = false;
}		}
void ScaleFixedSizeOperation::initExecution()
		void ScaleFixedSizeOperation::init_data()
{		{
this->m_inputOperation = this->getInputSocketReader(0);		const NodeOperation *input_op = getInputOperation(0);
this->m_relX = this->m_inputOperation->getWidth() / (float)this->m_newWidth;		this->m_relX = input_op->getWidth() / (float)this->m_newWidth;
this->m_relY = this->m_inputOperation->getHeight() / (float)this->m_newHeight;		this->m_relY = input_op->getHeight() / (float)this->m_newHeight;

/* * all the options below are for a fairly special case - camera framing * */		/* * all the options below are for a fairly special case - camera framing * */
if (this->m_offsetX != 0.0f \|\| this->m_offsetY != 0.0f) {		if (this->m_offsetX != 0.0f \|\| this->m_offsetY != 0.0f) {
this->m_is_offset = true;		this->m_is_offset = true;

if (this->m_newWidth > this->m_newHeight) {		if (this->m_newWidth > this->m_newHeight) {
this->m_offsetX *= this->m_newWidth;		this->m_offsetX *= this->m_newWidth;
this->m_offsetY *= this->m_newWidth;		this->m_offsetY *= this->m_newWidth;
}		}
else {		else {
this->m_offsetX *= this->m_newHeight;		this->m_offsetX *= this->m_newHeight;
this->m_offsetY *= this->m_newHeight;		this->m_offsetY *= this->m_newHeight;
}		}
}		}

if (this->m_is_aspect) {		if (this->m_is_aspect) {
/* apply aspect from clip */		/* apply aspect from clip */
const float w_src = this->m_inputOperation->getWidth();		const float w_src = input_op->getWidth();
const float h_src = this->m_inputOperation->getHeight();		const float h_src = input_op->getHeight();

/* destination aspect is already applied from the camera frame */		/* destination aspect is already applied from the camera frame */
const float w_dst = this->m_newWidth;		const float w_dst = this->m_newWidth;
const float h_dst = this->m_newHeight;		const float h_dst = this->m_newHeight;

const float asp_src = w_src / h_src;		const float asp_src = w_src / h_src;
const float asp_dst = w_dst / h_dst;		const float asp_dst = w_dst / h_dst;

Show All 12 Lines	if (fabsf(asp_src - asp_dst) >= FLT_EPSILON) {
}		}

this->m_is_offset = true;		this->m_is_offset = true;
}		}
}		}
/* * end framing options * */		/* * end framing options * */
}		}

		void ScaleFixedSizeOperation::initExecution()
		{
		this->m_inputOperation = this->getInputSocketReader(0);
		}

void ScaleFixedSizeOperation::deinitExecution()		void ScaleFixedSizeOperation::deinitExecution()
{		{
this->m_inputOperation = nullptr;		this->m_inputOperation = nullptr;
}		}

void ScaleFixedSizeOperation::executePixelSampled(float output[4],		void ScaleFixedSizeOperation::executePixelSampled(float output[4],
float x,		float x,
float y,		float y,
Show All 32 Lines	void ScaleFixedSizeOperation::determineResolution(unsigned int resolution[2],
unsigned int nr[2];		unsigned int nr[2];
nr[0] = this->m_newWidth;		nr[0] = this->m_newWidth;
nr[1] = this->m_newHeight;		nr[1] = this->m_newHeight;
BaseScaleOperation::determineResolution(resolution, nr);		BaseScaleOperation::determineResolution(resolution, nr);
resolution[0] = this->m_newWidth;		resolution[0] = this->m_newWidth;
resolution[1] = this->m_newHeight;		resolution[1] = this->m_newHeight;
}		}

		void ScaleFixedSizeOperation::get_area_of_interest(const int input_idx,
		const rcti &output_area,
		rcti &r_input_area)
		{
		BLI_assert(input_idx == 0);
		UNUSED_VARS_NDEBUG(input_idx);
		r_input_area.xmax = (output_area.xmax - m_offsetX) * this->m_relX;
		r_input_area.xmin = (output_area.xmin - m_offsetX) * this->m_relX;
		r_input_area.ymax = (output_area.ymax - m_offsetY) * this->m_relY;
		r_input_area.ymin = (output_area.ymin - m_offsetY) * this->m_relY;
		expand_area_for_sampler(r_input_area, (PixelSampler)m_sampler);
		}

		void ScaleFixedSizeOperation::update_memory_buffer_partial(MemoryBuffer *output,
		const rcti &area,
		Span<MemoryBuffer *> inputs)
		{
		const MemoryBuffer *input_img = inputs[0];
		PixelSampler sampler = (PixelSampler)m_sampler;
		BuffersIterator<float> it = output->iterate_with({}, area);
		if (this->m_is_offset) {
		for (; !it.is_end(); ++it) {
		const float nx = (it.x - this->m_offsetX) * this->m_relX;
		const float ny = (it.y - this->m_offsetY) * this->m_relY;
		input_img->read_elem_sampled(nx, ny, sampler, it.out);
		}
		}
		else {
		for (; !it.is_end(); ++it) {
		input_img->read_elem_sampled(it.x * this->m_relX, it.y * this->m_relY, sampler, it.out);
		}
		}
		}

} // namespace blender::compositor		} // namespace blender::compositor