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authorJeroen Bakker <jeroen@blender.org>2021-03-08 15:41:52 +0300
committerJeroen Bakker <jeroen@blender.org>2021-03-08 15:41:52 +0300
commit1775ea74c152ba7cf27a8bc1f071b40992c89013 (patch)
tree310fbe4e107734a16b3164adb1a65bd918935855 /source/blender/compositor/operations/COM_BokehImageOperation.cc
parentb9cd2f4531ca670c196b0b14b1359d0f375103c2 (diff)
Cleanup: Change extension .cpp to .cc
Diffstat (limited to 'source/blender/compositor/operations/COM_BokehImageOperation.cc')
-rw-r--r--source/blender/compositor/operations/COM_BokehImageOperation.cc126
1 files changed, 126 insertions, 0 deletions
diff --git a/source/blender/compositor/operations/COM_BokehImageOperation.cc b/source/blender/compositor/operations/COM_BokehImageOperation.cc
new file mode 100644
index 00000000000..473a43c1776
--- /dev/null
+++ b/source/blender/compositor/operations/COM_BokehImageOperation.cc
@@ -0,0 +1,126 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program 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. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * Copyright 2011, Blender Foundation.
+ */
+
+#include "COM_BokehImageOperation.h"
+#include "BLI_math.h"
+
+BokehImageOperation::BokehImageOperation()
+{
+ this->addOutputSocket(COM_DT_COLOR);
+ this->m_deleteData = false;
+}
+void BokehImageOperation::initExecution()
+{
+ this->m_center[0] = getWidth() / 2;
+ this->m_center[1] = getHeight() / 2;
+ this->m_inverseRounding = 1.0f - this->m_data->rounding;
+ this->m_circularDistance = getWidth() / 2;
+ this->m_flapRad = (float)(M_PI * 2) / this->m_data->flaps;
+ this->m_flapRadAdd = this->m_data->angle;
+ while (this->m_flapRadAdd < 0.0f) {
+ this->m_flapRadAdd += (float)(M_PI * 2.0);
+ }
+ while (this->m_flapRadAdd > (float)M_PI) {
+ this->m_flapRadAdd -= (float)(M_PI * 2.0);
+ }
+}
+void BokehImageOperation::detemineStartPointOfFlap(float r[2], int flapNumber, float distance)
+{
+ r[0] = sinf(this->m_flapRad * flapNumber + this->m_flapRadAdd) * distance + this->m_center[0];
+ r[1] = cosf(this->m_flapRad * flapNumber + this->m_flapRadAdd) * distance + this->m_center[1];
+}
+float BokehImageOperation::isInsideBokeh(float distance, float x, float y)
+{
+ float insideBokeh = 0.0f;
+ const float deltaX = x - this->m_center[0];
+ const float deltaY = y - this->m_center[1];
+ float closestPoint[2];
+ float lineP1[2];
+ float lineP2[2];
+ float point[2];
+ point[0] = x;
+ point[1] = y;
+
+ const float distanceToCenter = len_v2v2(point, this->m_center);
+ const float bearing = (atan2f(deltaX, deltaY) + (float)(M_PI * 2.0));
+ int flapNumber = (int)((bearing - this->m_flapRadAdd) / this->m_flapRad);
+
+ detemineStartPointOfFlap(lineP1, flapNumber, distance);
+ detemineStartPointOfFlap(lineP2, flapNumber + 1, distance);
+ closest_to_line_v2(closestPoint, point, lineP1, lineP2);
+
+ const float distanceLineToCenter = len_v2v2(this->m_center, closestPoint);
+ const float distanceRoundingToCenter = this->m_inverseRounding * distanceLineToCenter +
+ this->m_data->rounding * distance;
+
+ const float catadioptricDistanceToCenter = distanceRoundingToCenter * this->m_data->catadioptric;
+ if (distanceRoundingToCenter >= distanceToCenter &&
+ catadioptricDistanceToCenter <= distanceToCenter) {
+ if (distanceRoundingToCenter - distanceToCenter < 1.0f) {
+ insideBokeh = (distanceRoundingToCenter - distanceToCenter);
+ }
+ else if (this->m_data->catadioptric != 0.0f &&
+ distanceToCenter - catadioptricDistanceToCenter < 1.0f) {
+ insideBokeh = (distanceToCenter - catadioptricDistanceToCenter);
+ }
+ else {
+ insideBokeh = 1.0f;
+ }
+ }
+ return insideBokeh;
+}
+void BokehImageOperation::executePixelSampled(float output[4],
+ float x,
+ float y,
+ PixelSampler /*sampler*/)
+{
+ float shift = this->m_data->lensshift;
+ float shift2 = shift / 2.0f;
+ float distance = this->m_circularDistance;
+ float insideBokehMax = isInsideBokeh(distance, x, y);
+ float insideBokehMed = isInsideBokeh(distance - fabsf(shift2 * distance), x, y);
+ float insideBokehMin = isInsideBokeh(distance - fabsf(shift * distance), x, y);
+ if (shift < 0) {
+ output[0] = insideBokehMax;
+ output[1] = insideBokehMed;
+ output[2] = insideBokehMin;
+ }
+ else {
+ output[0] = insideBokehMin;
+ output[1] = insideBokehMed;
+ output[2] = insideBokehMax;
+ }
+ output[3] = (insideBokehMax + insideBokehMed + insideBokehMin) / 3.0f;
+}
+
+void BokehImageOperation::deinitExecution()
+{
+ if (this->m_deleteData) {
+ if (this->m_data) {
+ delete this->m_data;
+ this->m_data = nullptr;
+ }
+ }
+}
+
+void BokehImageOperation::determineResolution(unsigned int resolution[2],
+ unsigned int /*preferredResolution*/[2])
+{
+ resolution[0] = COM_BLUR_BOKEH_PIXELS;
+ resolution[1] = COM_BLUR_BOKEH_PIXELS;
+}