Mirror/AI-on-the-edge-device
1
0
Fork 0
mirror of https://github.com/jomjol/AI-on-the-edge-device.git synced 2025-12-07 20:16:55 +03:00
Code Issues Packages Projects Releases Wiki Activity

Rolling 20210506

Browse Source
This commit is contained in:
jomjol
2021-05-06 20:28:27 +02:00
parent bc6a01444a
commit 016f4088d4
20 changed files with 124 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

37
code/components/jomjol_image_proc/CRotateImage.cpp
View File

@@ -1,7 +1,7 @@
#include "CRotateImage.h"
CRotateImage::CRotateImage(CImageBasis *_org, CImageBasis *_temp)
CRotateImage::CRotateImage(CImageBasis *_org, CImageBasis *_temp, bool _flip)
{
rgb_image = _org->rgb_image;
channels = _org->channels;
@@ -9,8 +9,10 @@ CRotateImage::CRotateImage(CImageBasis *_org, CImageBasis *_temp)
height = _org->height;
bpp = _org->bpp;
externalImage = true;
ImageTMP = _temp;
ImageTMP = _temp;
ImageOrg = _org;
islocked = false;
doflip = _flip;
}
void CRotateImage::Mirror(){
@@ -58,12 +60,33 @@ void CRotateImage::Mirror(){
void CRotateImage::Rotate(float _angle, int _centerx, int _centery)
{
int org_width, org_height;
float m[2][3];
float x_center = _centerx;
float y_center = _centery;
_angle = _angle / 180 * M_PI;
if (doflip)
{
org_width = width;
org_height = height;
height = org_width;
width = org_height;
x_center = x_center - (org_width/2) + (org_height/2);
y_center = y_center + (org_width/2) - (org_height/2);
if (ImageOrg)
{
ImageOrg->height = height;
ImageOrg->width = width;
}
}
else
{
org_width = width;
org_height = height;
}
m[0][0] = cos(_angle);
m[0][1] = sin(_angle);
m[0][2] = (1 - m[0][0]) * x_center - m[0][1] * y_center;
@@ -72,6 +95,12 @@ void CRotateImage::Rotate(float _angle, int _centerx, int _centery)
m[1][1] = m[0][0];
m[1][2] = m[0][1] * x_center + (1 - m[0][0]) * y_center;
if (doflip)
{
m[0][2] = m[0][2] + (org_width/2) - (org_height/2);
m[1][2] = m[1][2] - (org_width/2) + (org_height/2);
}
int memsize = width * height * channels;
uint8_t* odata;
if (ImageTMP)
@@ -101,9 +130,9 @@ void CRotateImage::Rotate(float _angle, int _centerx, int _centery)
x_source += int(m[0][2]);
y_source += int(m[1][2]);
if ((x_source >= 0) && (x_source < width) && (y_source >= 0) && (y_source < height))
if ((x_source >= 0) && (x_source < org_width) && (y_source >= 0) && (y_source < org_height))
{
p_source = rgb_image + (channels * (y_source * width + x_source));
p_source = rgb_image + (channels * (y_source * org_width + x_source));
for (int _channels = 0; _channels < channels; ++_channels)
p_target[_channels] = p_source[_channels];
}