/*
* Read an image
*/
int RImage::read(char file[100]) {
if (strstr(file, ".ppm") != NULL) {
type = PPM;
readPPM(file);
} else if (strstr(file, ".pgm") != NULL){
type = PGM;
readPGM(file);
} else if (strstr(file, ".jpeg") != NULL ||
strstr(file, ".jpg") != NULL) {
type = JPEG;
readJPEG(file);
} else if (strstr(file, ".png") != NULL) {
fprintf(stderr, "ERROR: Format not supported as yet.\n");
type = PNG;
readPNG(file);
} else {
fprintf(stderr, "ERROR: Cannot read image %s.\n", file);
exit(1);
}
return 0;
}
/**
* Entry point for the program.
*/
int main(int argc, char **argv)
{
Color_t *original;
int width, height;
int n_polygons = N_POLYGONS;
int n_sides = DEFAULT_POLYGON_POINTS;
double target_percentage = -1.0f;
char *filename = INPUT_IMAGE;
/* Check for any command-line arguments. */
process_args(argc, argv, &filename, &n_sides, &n_polygons,
&target_percentage);
/* Seed the random number generated with the current time. */
srand(time(NULL));
/* Read in the original image. */
original = readPNG(filename, &width, &height);
/* Kick off the polygon loop. */
main_loop(original, width, height, n_sides, n_polygons, target_percentage);
free(original);
return 0;
}
void textureLoadWithFilename(const char *filename, GLuint *texturename)
{
unsigned char *image_data;
/* FIXME: test mime instead */
if(strcasestr(filename, ".png") != NULL) {
image_data = readPNG(filename);
} else {
image_data = readJPEG(filename);
}
powerOfTwoScaling(&image_data, &tex_width, &tex_height);
// scale4x(&image_data, tex_width, tex_height);
if(image_data != NULL) {
glBindTexture(GL_TEXTURE_2D, (*texturename));
glTexParameteri(GL_TEXTURE_2D,
GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D,
GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, tex_width, tex_height,
0, GL_RGBA, GL_UNSIGNED_BYTE, image_data);
free(image_data);
printf("SUCCESS: loadTextureWithFilename():"
" %s\n", filename);
}
}
GLImageStructure readImage(const std::string& FileName, ImageType type_hint)
{
if (type_hint==itUnknown)
{
type_hint = getImageType(FileName);
}
switch (type_hint)
{
case itJPEG:
return readJPEG(FileName);
case itPNG:
return readPNG(FileName);
case itGIF:
return readGIF(FileName);
case itBitmap:
return readBMP(FileName);
case itPPM:
return readPPM(FileName);
}
//no supported image here
GLImageStructure temp_glis;
temp_glis.setWidth(0);
temp_glis.setHeight(0);
temp_glis.setFormat(0);
temp_glis.setBuffer(NULL);
return temp_glis;
}
int main(int argc, char* argv[]) {
// Test with example.png
//readPNG(PNG_PATH, 1);
/*
printf("Arguments:\n\tARGC: %d\n", argc);
puts("\tARGV: ");
for (int i = 0; i < argc; i++)
printf("\t\t%s\n", argv[i]);
*/
int verbose = 0;
int i = 1;
if (argc > 1)
verbose = (strcmp(argv[1], "--verbose") == 0);
if ((! verbose && argc > 1) || (verbose && argc > 2)) {
if (verbose && argc > 2) i = 2;
for (; i < argc; i++)
readPNG(argv[i], verbose);
}
else {
printf("Usage: pngDebugger (--verbose) file1.png file2.png file3.png ...\n");
}
return 0;
}
static void png2dbl(const char *pngfile, const char *dblfile)
{
struct pngdata png;
png = readPNG(fopen(pngfile, "rb"));
FILE *f = fopen(dblfile, "wb");
writeDBL(f, png);
fclose(f);
}
int main(int argc,char **argv){
int width,height;
int **pixel;
int **out;
float **tmp;
pixel = readPNG(argv[1],&width,&height);
writePNG("res_original.png",pixel,width,height);
out = histEQ(pixel,width,height);
writePNG("res_Equalized.png",out,width,height);
FREE_PIXEL(out);
out = getNegative(pixel,width,height);
writePNG("res_Negative.png",out,width,height);
FREE_PIXEL(out);
out = halfIntensity(pixel,width,height);
writePNG("res_HalfI.png",out,width,height);
FREE_PIXEL(out);
out = IRescale(pixel,width,height,min,max,0,100);
writePNG("res_scaleto0100.png",out,width,height);
FREE_PIXEL(out);
out = IRescale(pixel,width,height,min,max,200,255);
writePNG("res_scaleto200255.png",out,width,height);
FREE_PIXEL(out);
tmp = getExp(pixel,width,height,20,1.01);
out = Normalize(tmp,width,height);
writePNG("res_exp.png",out,width,height);
FREE_PIXEL(out);
tmp = getLog(pixel,width,height,20.2);
out = Normalize(tmp,width,height);
writePNG("res_log.png",out,width,height);
FREE_PIXEL(out);
tmp = getPower(pixel,width,height,1,0.5);
out = Normalize(tmp,width,height);
writePNG("res_powerg05.png",out,width,height);
FREE_PIXEL(out);
tmp = getPower(pixel,width,height,1,2);
out = Normalize(tmp,width,height);
writePNG("res_powerg2.png",out,width,height);
FREE_PIXEL(out);
tmp = getPower(pixel,width,height,1,2.5);
out = Normalize(tmp,width,height);
writePNG("res_powerg25.png",out,width,height);
FREE_PIXEL(out);
//printHist(out,width,height);
free(pixel);
return 0;
}
Image *
readPNG(const char *filename)
{
std::ifstream is(filename, std::ifstream::binary);
if (!is) {
return NULL;
}
return readPNG(filename);
}
void loadIcons(char* dirPath) {
DIR* dir;
struct dirent* de;
int texCount = 0;
int maxW = 0, maxH = 0;
BitmapRGBA8* bmp;
dir = opendir(dirPath);
while((de = readdir(dir)) != NULL) {
if(!strcmp(de->d_name, ".") || !strcmp(de->d_name, "..")) continue;
bmp = readPNG(de->d_name);
}
closedir(dir);
}
/**
* Loads the texture with the tile images.
*/
bool GLTileEngine::loadTexture()
{
int width, height, allocWidth, allocHeight;
// read the tile data from a PNG image on the filesystem
void* textureBuffer = readPNG("images/micropolisEngine/tiles_borders.png", &width, &height, &allocWidth, &allocHeight);
if(textureBuffer == NULL) return false;
// actually create the tile map texture
glGenTextures(1, &this->texture);
glBindTexture(GL_TEXTURE_2D, this->texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, allocWidth, allocHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, textureBuffer);
// don't forget to free the buffer allocated by readPNG!
free(textureBuffer);
return true;
}
void BackgroundLayer::initSingleImage(int row, int column) {
if (_loadedCount == 0) {
return;
}
auto countColumn = _imageColumnEndPos - _imageColumnStartPos + 1;
auto countRow = _imageRowEndPos - _imageRowStartPos + 1;
auto flag = true;
for (auto &bi : _backgroundImages) {
if (!bi.isShown) {
flag = false;
}
if (row == bi.row && column == bi.column) {
if (!bi.isShown) {
--_loadedCount;
auto *sprite = cocos2d::Sprite::create(bi.backgroundPath);
sprite->setAnchorPoint(cocos2d::Vec2::ZERO);
sprite->setPosition(
cocos2d::Vec2((bi.column - 1) * SINGLE_MAP_WIDTH,
(bi.row - 1) * SINGLE_MAP_HEIGHT));
sprite->setTag((bi.row - 1) * countRow + bi.column);
addChild(sprite);
auto readPNGThread = [&]() {bi.maskImage = readPNG(bi.maskPath);};
std::thread th = std::thread(readPNGThread);
th.detach();
bi.backgroundImage = sprite;
bi.isShown = true;
break;
}
}
}
return;
}
int main (int argc, char * const argv[]) {
#if 0
FILE *tf;
tf = fopen(TEST_PVR_FILE, "rb");
readPvr(tf);
fclose(tf);
#endif
FILE *wf;
FILE *rf;
// insert code here...
memset(gPNGFileName,0,256);
memset(gPVRFileName,0,256);
if(parseArgs(argc, argv)){
#if 1
char *argv2[MAX_ARGS];
for(int i=0; i<MAX_ARGS-1; i++){
argv2[i] = new char[256];
}
strcpy(argv2[0],"texturetool");
strcpy(argv2[1],"-e");
strcpy(argv2[2],"PVRTC");
if(gChannelWeight==0){
strcpy(argv2[3],"--channel-weighting-linear");
}
else if(gChannelWeight==1){
strcpy(argv2[3],"--channel-weighting-perceptual");
}
else{
usage();
return -1;
}
if(gBitsPerPixel==2){
strcpy(argv2[4],"--bits-per-pixel-2");
}
else if(gBitsPerPixel==4){
strcpy(argv2[4],"--bits-per-pixel-4");
}
else{
usage();
return -1;
}
strcpy(argv2[5],gPNGFileName);
strcpy(argv2[6],"-o");
strcpy(argv2[7],TEMP_OUTPUT_FILE);
if(gGenerateMipMaps==1){
strcpy(argv2[8],"-m");
}
else{
delete argv2[MAX_ARGS-2];
argv2[MAX_ARGS-2] = NULL;
}
argv2[MAX_ARGS-1] = NULL;
char *newargs = new char[8*1024];
memset(newargs, 0, 8*1024);
sprintf(newargs,"./%s",argv2[0]);
for(int i=1; i<MAX_ARGS-1; i++){
if(argv2[i]){
strcat(newargs," ");
strcat(newargs,argv2[i]);
}
}
system(newargs);
//if(execv("texturetool", argv2)<0){
// usage();
// return -1;
//}
delete newargs;
//printf("\nHere %d\n",gFsize);
if(!readPNG(gPNGFileName)){
usage();
return -1;
}
wf = fopen(gPVRFileName, "wb");
if(!wf){
printf("\nCannot open file %s\n\n",gPVRFileName);
return -1;
}
#endif
rf = fopen(TEMP_OUTPUT_FILE, "rb");
if(!rf){
printf("\nCannot open file %s\n\n",TEMP_OUTPUT_FILE);
return -1;
}
fseek(rf,0,SEEK_END);
gFsize = ftell(rf);
//printf("\nHere %d\n",gFsize);
fseek(rf,0,SEEK_SET);
char *filedata = new char[gFsize];
fread(filedata,1,gFsize,rf);
fclose(rf);
writePvr(wf);
fwrite(filedata,1,gFsize,wf);
fclose(wf);
delete filedata;
return 0;
}
usage();
return -1;
}
Terrain::
Terrain(string heightMapName):
COMPONENTS(3),
width(0),
height(0),
heightMap(heightMapName.c_str()),
_indexCount(0),
vertices(),
coords(),
normals()
{
width = heightMap.get_width();
height = heightMap.get_height();
const unsigned VERTICES_PER_ROW = width;
const unsigned VERTICES_PER_COL = height;
readPNG();
for(int i =0; i < 20; i++)
{
smoothVertices();
}
_vertexCount = (GLsizei)VERTICES_PER_ROW * (GLsizei)VERTICES_PER_COL;
const unsigned VERTEX_COMPONENT_COUNT = 3;
const unsigned VERTEX_ARRAY_SIZE = (unsigned)_vertexCount *
VERTEX_COMPONENT_COUNT;
float* vertices = new float[VERTEX_ARRAY_SIZE];
normals = new float[VERTEX_ARRAY_SIZE];
float* uv = new float [_vertexCount * 2];
const unsigned SQUARES = height * width;
const unsigned TRIANGLES_PER_SQUARE = 2;
const unsigned VERTICES_PER_TRIANGLE = 3;
const unsigned VERTICES_PER_SQUARE = TRIANGLES_PER_SQUARE *
VERTICES_PER_TRIANGLE;
_indexCount = (GLsizei)VERTICES_PER_SQUARE * (GLsizei)SQUARES;
const unsigned INDEX_ARRAY_SIZE = (unsigned)_indexCount;
GLuint* indices = new GLuint[INDEX_ARRAY_SIZE];
GLuint* uvIndices = new GLuint[_indexCount];
cout << "width: " << width << endl;
cout << "height: " << height << endl;
int count = 0;
coords = new float[2760 * 3];
unsigned index = 0;
unsigned index2 = 0;
unsigned uvIndex = 0;
for (unsigned z = 0; z < VERTICES_PER_COL; z++)
{
const float Z = (float)z * Z_DELTA;
for (unsigned x = 0; x < VERTICES_PER_ROW; x++)
{
const float X = (float)x * X_DELTA;
vertices[index++] = X;
//cout << "Height: " << ((float)heightMap.get_pixel(x, z).red / 255.0f) * 250.0f;;
// vertices[index++] = ((float)heightMap.get_pixel(x, z).red / width) * 500.0f;
vertices[index++] = heights[x][z];
vertices[index++] = Z;
if(x < 60 && x > 20 && z > 160 && z < 230 && heights[x][z] > 10.0f)
{
count ++;
cout << "(" << X << "," << heights[x][z] << "," << Z << ")" << endl;
coords[index2++] = X;
coords[index2++] = heights[x][z];
coords[index2++] = Z;
}
uv[uvIndex++] = 1.0f/width * x;
uv[uvIndex++] = 1.0f/height * z;
}
}
cout << "Count: " << count << endl;
// int size = (sizeof(vertices)/sizeof(*float));
// cout << "Size of vertices: " << size << endl;
index = 0;
uvIndex = 0;
for (unsigned z = 0; z < VERTICES_PER_COL - 1; z++)
{
for (unsigned x = 0; x < VERTICES_PER_ROW - 1; x++)
{
unsigned i = z * VERTICES_PER_COL + x;
/* Top left square. */
indices[index++] = i;
indices[index++] = i + VERTICES_PER_ROW;
indices[index++] = i + 1;
/* Bottom right square. */
indices[index++] = i + 1;
indices[index++] = i + VERTICES_PER_ROW;
indices[index++] = i + 1 + VERTICES_PER_ROW;
/* Top left square. */
uvIndices[uvIndex++] = i;
uvIndices[uvIndex++] = i + VERTICES_PER_ROW;
uvIndices[uvIndex++] = i + 1;
/* Bottom right square. */
uvIndices[uvIndex++] = i + 1;
uvIndices[uvIndex++] = i + VERTICES_PER_ROW;
uvIndices[uvIndex++] = i + 1 + VERTICES_PER_ROW;
}
}
smoothNormals(vertices);
bind();
GLuint buffers[6];
glGenBuffers(6, buffers);
glBindBuffer(GL_ARRAY_BUFFER, buffers[0]);
glBufferData(GL_ARRAY_BUFFER, VERTEX_ARRAY_SIZE * (GLsizei)sizeof(float),
vertices, GL_STATIC_DRAW);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffers[1]);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, INDEX_ARRAY_SIZE * (GLsizei)sizeof(GLuint),
indices, GL_STATIC_DRAW);
GLuint positionLocation = findAttribute("position");
glEnableVertexAttribArray(positionLocation);
glVertexAttribPointer(positionLocation, VERTEX_COMPONENT_COUNT, GL_FLOAT,
GL_FALSE, 0, 0);
glBindBuffer(GL_ARRAY_BUFFER, buffers[2]);
glBufferData(GL_ARRAY_BUFFER, VERTEX_ARRAY_SIZE * (GLsizei)sizeof(float),
normals, GL_STATIC_DRAW);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffers[3]);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, INDEX_ARRAY_SIZE * (GLsizei)sizeof(GLuint),
indices, GL_STATIC_DRAW);
GLuint normalsLocation = findAttribute("normals");
glEnableVertexAttribArray(normalsLocation);
glVertexAttribPointer(normalsLocation, VERTEX_COMPONENT_COUNT, GL_FLOAT,
GL_FALSE, 0, 0);
glBindBuffer(GL_ARRAY_BUFFER, buffers[4]);
glBufferData(GL_ARRAY_BUFFER, _vertexCount * 2 * (GLsizei)sizeof(float),
uv, GL_STATIC_DRAW);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffers[5]);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, INDEX_ARRAY_SIZE * (GLsizei)sizeof(GLuint),
uvIndices, GL_STATIC_DRAW);
GLuint uvLocation = findAttribute("uv");
glEnableVertexAttribArray(uvLocation);
glVertexAttribPointer(uvLocation, 2, GL_FLOAT,
GL_FALSE, 0, 0);
}
