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-rw-r--r--rotord/image.h211
1 files changed, 0 insertions, 211 deletions
diff --git a/rotord/image.h b/rotord/image.h
deleted file mode 100644
index 5e39b18..0000000
--- a/rotord/image.h
+++ /dev/null
@@ -1,211 +0,0 @@
-namespace Rotor {
- class pixeltables{
- //handy pixel arithmetic lookup tables as nested arrays
- //so - pixels.add[0x78][0x66]; will give the precalculated result of adding with saturation
- // pixels.mono_weights[0][0x100]; will give the red component to convert to mono
- public:
- pixeltables(){
- add=new uint8_t*[256];
- multiply=new uint8_t*[256];
- for (int i=0;i<256;i++){
- add[i]=new uint8_t[256];
- multiply[i]=new uint8_t[256];
- for (int j=0;j<256;j++){
- add[i][j]=(uint8_t)min(i+j,0xFF);
- multiply[i][j]=(uint8_t)((((float)i)/255.0f)*(((float)j)/255.0f)*255.0f);
- }
- }
- mono_weights=new uint8_t*[3];
- float weights[3]={0.2989, 0.5870, 0.1140};
- for (int i=0;i<3;i++) {
- mono_weights[i]=new uint8_t[256];
- for (int j=0;j<256;j++){
- mono_weights[i][j]=(uint8_t)(((float)j)*weights[i]);
- }
- }
- }
- virtual ~pixeltables(){
- for (int i=0;i<256;i++){
- delete[] add[i];
- delete[] multiply[i];
- }
- delete[] add;
- delete[] multiply;
- for (int i=0;i<3;i++) {
- delete[] mono_weights[i];
- }
- delete[] mono_weights;
- }
- uint8_t **add;
- uint8_t **multiply;
- uint8_t **mono_weights;
- };
- static pixeltables pixels;
- class Image{
- public:
- Image(){
- zero();
- };
- Image(int _w,int _h){
- zero();
- setup(_w,_h);
- };
- ~Image() {
- free();
- };
- void free(){
- if (RGBdata&&ownsRGBdata) delete[] RGBdata;
- if (Adata&&ownsAdata) delete[] Adata;
- if (Zdata&&ownsZdata) delete[] Zdata;
- zero();
- }
- void zero(){
- RGBdata=nullptr;
- Adata=nullptr;
- Zdata=nullptr;
- w=0;
- h=0;
- ownsRGBdata=ownsAdata=ownsZdata=false;
- }
- bool setup(int _w,int _h){ //set up with internal data
- if (w!=_w||h!=_h||!ownsRGBdata||!ownsAdata||!ownsZdata){
- free();
- w=_w;
- h=_h;
- RGBdata=new uint8_t[w*h*3];
- Adata=new uint8_t[w*h];
- Zdata=new uint16_t[w*h];
- ownsRGBdata=ownsAdata=ownsZdata=true;
- return true;
- }
- else return false;
- }
- bool setup_fromRGB(int _w,int _h,uint8_t *pRGBdata){ //possibility of just resetting pointer?
- if (w!=_w||h!=_h||ownsRGBdata||!ownsAdata||!ownsZdata){
- free();
- w=_w;
- h=_h;
- RGBdata=pRGBdata;
- Adata=new uint8_t[w*h];
- Zdata=new uint16_t[w*h];
- ownsRGBdata=false;
- ownsAdata=ownsZdata=true;
- return true;
- }
- return false;
- }
- Image* clone(){
- Image *t=new Image(w,h);
- for (int i=0;i<w*h*3;i++) {
- t->RGBdata[i]=RGBdata[i];
- }
- return t;
- }
- Image & operator+=(const Image &other) {
- if (other.w!=w||other.h!=h) {
- cerr<<"Rotor: cannot add images with different sizes! (wanted "<<w<<"x"<<h<<", got "<<other.w<<"x"<<other.h<<")"<<endl;
- }
- else {
- for (int i=0;i<w*h*3;i++){
- //calculate with tables
- RGBdata[i]=pixels.add[RGBdata[i]][other.RGBdata[i]];
- }
- }
- return *this;
- }
- Image & operator*=(const Image &other) {
- if (other.w!=w||other.h!=h) {
- cerr<<"Rotor: cannot multiply images with different sizes! (wanted "<<w<<"x"<<h<<", got "<<other.w<<"x"<<other.h<<")"<<endl;
- }
- else {
- for (int i=0;i<w*h*3;i++){
- //calculate with tables
- uint8_t p1=RGBdata[i];
- uint8_t p2=other.RGBdata[i];
- RGBdata[i]=pixels.multiply[RGBdata[i]][other.RGBdata[i]];
- }
- }
- return *this;
- }
- Image & add_wrap(const Image &other) {
- if (other.w!=w||other.h!=h) {
- cerr<<"Rotor: cannot add images with different sizes! (wanted "<<w<<"x"<<h<<", got "<<other.w<<"x"<<other.h<<")"<<endl;
- }
- else {
- for (int i=0;i<w*h*3;i++){
- //creates rainbow overload
- RGBdata[i]=(unsigned char)(((int)other.RGBdata[i]+(int)RGBdata[i]));
- }
- }
- return *this;
- }
- //scalar operations allocate a new image.
- //maybe this could not be the case if the data is owned by this image?
- //need to look into auto_ptr
- Image & operator*=(const float &amount) {
- uint8_t *LUT=new uint8_t[256];
- for (int i=0;i<256;i++) {
- LUT[i]=(uint8_t)min(0xFF,max(0,(int)(i*amount)));
- }
- for (int i=0;i<w*h*3;i++){
- //calculate with table
- RGBdata[i]=LUT[RGBdata[i]];
- }
- delete[] LUT;
- return *this;
- }
- Image * operator*(const float &amount) {
- Image *other=new Image(w,h);
- uint8_t *LUT=new uint8_t[256];
- for (int i=0;i<256;i++) {
- LUT[i]=(uint8_t)min(0xFF,max(0,(int)(i*amount)));
- }
- for (int i=0;i<w*h*3;i++){
- other->RGBdata[i]=LUT[RGBdata[i]];
- }
- delete[] LUT;
- return other;
- }
- Image * operator+(const float &amount) {
- Image *other=new Image(w,h);
- uint8_t *LUT=new uint8_t[256];
- for (int i=0;i<256;i++) {
- LUT[i]=(uint8_t)min(0xFF,max(0,(int)(i+(amount*255.0f))));
- }
- for (int i=0;i<w*h*3;i++){
- other->RGBdata[i]=LUT[RGBdata[i]];
- }
- delete[] LUT;
- return other;
- }
- Image * operator-(const float &amount) {
- Image *other=new Image(w,h);
- uint8_t *LUT=new uint8_t[256];
- for (int i=0;i<256;i++) {
- LUT[i]=(uint8_t)min(0xFF,max(0,(int)(i-(amount*255.0f))));
- }
- for (int i=0;i<w*h*3;i++){
- other->RGBdata[i]=LUT[RGBdata[i]];
- }
- delete[] LUT;
- return other;
- }
- Image * operator/(const float &amount) {
- Image *other=new Image(w,h);
- uint8_t *LUT=new uint8_t[256];
- for (int i=0;i<256;i++) {
- LUT[i]=(uint8_t)min(0xFF,max(0,(int)(i/amount)));
- }
- for (int i=0;i<w*h*3;i++){
- other->RGBdata[i]=LUT[RGBdata[i]];
- }
- delete[] LUT;
- return other;
- }
- uint8_t *RGBdata;
- uint8_t *Adata;
- uint16_t *Zdata;
- int h,w;
- bool ownsRGBdata,ownsAdata,ownsZdata; //better done through auto_ptr?
- };
-} \ No newline at end of file
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