static int load_image(at_bitmap *image, FILE *stream, at_input_opts_type * opts, at_exception_type * exp)
{
png_structp png;
png_infop info, end_info;
png_bytep *rows;
unsigned short width, height, row;
int pixel_size;
int result = 1;
if (!init_structs(&png, &info, &end_info, exp))
return 0;
png_init_io(png, stream);
CHECK_ERROR();
rows = read_png(png, info, opts);
width = (unsigned short)png_get_image_width(png, info);
height = (unsigned short)png_get_image_height(png, info);
if ( png_get_color_type(png, info) == PNG_COLOR_TYPE_GRAY ) {
pixel_size = 1;
} else {
pixel_size = 3;
}
*image = at_bitmap_init(NULL, width, height, pixel_size);
for ( row = 0 ; row < height ; row++, rows++ ) {
memcpy(AT_BITMAP_PIXEL(image, row, 0), *rows,
width * pixel_size * sizeof(unsigned char));
}
cleanup:
finalize_structs(png, info, end_info);
return result;
}
/****************************************************************************
* M A I N ( )
****************************************************************************/
int main(int argc, char * argv[])
{
int rc;
if(argc == 1) {
print_usage(argv[0]);
print_bugreport();
printf("Error! You must supply a filename\n");
return ERROR;
}
if(!strcmp("-h", argv[1]) ||
!strcmp("--help", argv[1])) {
print_usage(argv[0]);
print_help();
return 0;
}
if(!strcmp("-v", argv[1]) ||
!strcmp("--version", argv[1])) {
version();
return 0;
}
if(argc > 2) {
printf("Skipping extra arguments on commandline\n\n");
}
version();
rc = read_png(argv[1]);
return rc;
}
int VFrame::read_png(const unsigned char *data)
{
long img_sz =
((long)data[0] << 24) | ((long)data[1] << 16) |
((long)data[2] << 8) | (long)data[3];
return read_png(data+4, img_sz);
}
static int perform_one_test ( FILE *fp, int nfiles ) {
int i;
struct timespec before, after;
/* Clear out all errors: */
rewind ( fp );
if ( mytime ( &before ) ) {
for ( i=0; i<nfiles; ++i ) {
if ( read_png ( fp ) ) {
if ( ferror ( fp ) ) {
perror ( "temporary file" );
fprintf ( stderr, "file %d: error reading PNG data\n", i );
return 0;
}
}
else {
perror ( "temporary file" );
fprintf ( stderr, "file %d: error from libpng\n", i );
return 0;
}
}
}
else
return 0;
if ( mytime ( &after ) ) {
/* Work out the time difference and print it - this is the only output,
* so flush it immediately.
*/
unsigned long s = after.tv_sec - before.tv_sec;
long ns = after.tv_nsec - before.tv_nsec;
if ( ns < 0 ) {
--s;
ns += 1000000000;
if ( ns < 0 ) {
fprintf ( stderr, "timepng: bad clock from kernel\n" );
return 0;
}
}
printf ( "%lu.%.9ld\n", s, ns );
fflush ( stdout );
if ( ferror ( stdout ) ) {
fprintf ( stderr, "timepng: error writing output\n" );
return 0;
}
/* Successful return */
return 1;
}
else
return 0;
}
Matrix<Color> read_img(std::string filename)
{
std::size_t n = filename.size();
std::string extension3 = filename.substr(n-3, n);
std::string extension4 = filename.substr(n-4, n);
if(!extension3.compare("bmp"))
{
return read_bmp(filename);
}
else if(!extension3.compare("gif"))
{
return read_gif(filename);
}
else if(!extension3.compare("ico"))
{
return read_ico(filename);
}
/*else if(!extension3.compare("jpg"))
{
return read_jpeg(filename);
}*/
else if(!extension3.compare("pcx"))
{
return read_pcx(filename);
}
else if(!extension3.compare("png"))
{
return read_png(filename);
}
else if(!extension3.compare("pbm"))
{
return bw2colorimage(read_pbm(filename));
}
else if(!extension3.compare("pgm"))
{
return gray2colorimage(read_pgm(filename));
}
else if(!extension3.compare("ppm"))
{
return read_ppm(filename);
}
else if(!extension3.compare("tga"))
{
return read_tga(filename);
}
else if(!extension4.compare("tiff"))
{
return read_tiff(filename);
}
else
{
return Matrix<Color>();
}
}
void GenericImage::load(const char* filename)
{
const char *ext = filename + strlen(filename) - 4;
if (!strcmp(ext, ".png") || !strcmp(ext, ".PNG"))
read_png(filename);
else if (!strcmp(ext, ".jpg") || !strcmp(ext, ".JPG"))
read_jpg(filename);
// else if (!strcmp(ext, ".raw") || !strcmp(ext, ".RAW"))
// read_raw(filename);
else fail("only support jpeg and png image format\n");
}
static void
parse_images(const char* logoFilename, const char* logoBaseName,
const char* iconsFilename, const char* iconsBaseName)
{
int logoWidth;
int logoHeight;
png_bytep* logoRowPtrs = NULL;
png_structp logoPngPtr;
png_infop logoInfoPtr;
int iconsWidth;
int iconsHeight;
png_bytep* iconsRowPtrs = NULL;
png_structp iconsPngPtr;
png_infop iconsInfoPtr;
read_png(logoFilename, logoWidth, logoHeight, logoRowPtrs, logoPngPtr,
logoInfoPtr);
read_png(iconsFilename, iconsWidth, iconsHeight, iconsRowPtrs, iconsPngPtr,
iconsInfoPtr);
// write 24-bit images
write_24bit_image(logoBaseName, logoWidth, logoHeight, logoRowPtrs);
write_24bit_image(iconsBaseName, iconsWidth, iconsHeight, iconsRowPtrs);
// write 8-bit index color images
create_8bit_images(logoBaseName, logoWidth, logoHeight, logoRowPtrs,
iconsBaseName, iconsWidth, iconsHeight, iconsRowPtrs);
// free resources
png_destroy_read_struct(&logoPngPtr, &logoInfoPtr, NULL);
for (int y = 0; y < logoHeight; y++)
free(logoRowPtrs[y]);
free(logoRowPtrs);
png_destroy_read_struct(&iconsPngPtr, &iconsInfoPtr, NULL);
for (int y = 0; y < iconsHeight; y++)
free(iconsRowPtrs[y]);
free(iconsRowPtrs);
}
int load_block(unsigned char** block, unsigned* width, unsigned* height, const char* fname, const int base_img_size)
{
FILE* file = fopen(fname, "rb");
if (file != NULL) {
read_png(block, width, height, file, base_img_size);
fclose(file);
} else {
perror("Error:");
}
return file != NULL;
}
static int process_file(const char *fname)
{
image image;
image.file_name = fname;
int result;
gradient g;
result = read_png(fname, &image, &g);
if(result)
print_css_gradient(image.file_name, g);
return result;
}
int main(int argc, char **argv)
{
if(argc < 2){
fprintf(stderr, "Usage: %s <png>\n", argv[0]);
return EXIT_FAILURE;
}
if(read_png(argv[1]) != OK){
fprintf(stderr, "Error reading png\n");
return EXIT_FAILURE;
}
return 0;
}
unicap_status_t ucil_load_png( char *filename, unicap_data_buffer_t *buffer )
{
FILE *f;
if( !check_if_png( filename, &f ) )
{
TRACE( "File '%s' is not a valid PNG image\n", filename );
return STATUS_FAILURE;
}
if( read_png( f, PNG_BYTES_TO_CHECK, buffer ) < 0 )
{
TRACE( "File '%s' could not be loaded\n", filename );
return STATUS_FAILURE;
}
return STATUS_SUCCESS;
}
void json_parse_opttexture(jsonvalue json, image3f*& txt, string name) {
if(not json.object_contains(name)) return;
auto filename = json.object_element(name).as_string();
if(filename.empty()) { txt = nullptr; return; }
auto dirname = json_texture_paths.back();
auto fullname = dirname + filename;
if (json_texture_cache.find(fullname) == json_texture_cache.end()) {
auto ext = fullname.substr(fullname.size()-3);
if(ext == "pfm") {
auto image = read_pnm("models/pisa_latlong.pfm", true);
image = image.gamma(1/2.2);
json_texture_cache[fullname] = new image3f(image);
} else if(ext == "png") {
auto image = read_png(fullname,true);
json_texture_cache[fullname] = new image3f(image);
} else error("unsupported image format %s\n", ext.c_str());
}
txt = json_texture_cache[fullname];
}
int main() {
// open png image
struct rgba8* image;
uint32_t width;
uint32_t height;
read_png("img/img_01.png", (uint8_t**)&image, &width, &height);
// ----
// convert to yui
int y_bits = 6;
int uv_bits = 6;
int uv_down = 1;
size_t yui_data_size = 0;
uint8_t* yui_data = yui_encode(image, yui_RGBA8, width, height, y_bits, uv_bits, uv_down, &yui_data_size);
free(image);
// save yui file
FILE *fp;
fp = fopen("img/img_01.yui", "w");
fwrite(yui_data, 1, yui_data_size, fp);
fclose(fp);
//free(yui_data);
// ----
// save png file
image = yui_decode(yui_data, yui_data_size, yui_RGBA8, (uint16_t*)&width, (uint16_t*)&height);
free(yui_data);
//write_png("img/2.png", (uint8_t*)image, width, height);
//free(image);
// ----
return 1;
}
/**
* Load image
* Parameters:
* path: input path
* mem: memory for decoding
* Return:
* 0 OK
* -1 ERROR
*/
int loadImage (const char *path, Bitmap_t *mem)
{
VALIDATE_NOT_NULL2 (path, mem);
const char const *postfix = getFilePostfix (path);
if (NULL == postfix) {
LogE ("Failed getFilePostfix in loadImage\n");
return -1;
}
if (strcasecmp (postfix, "jpg") == 0) {
return read_jpeg (path, mem);
}
else if (strcasecmp (postfix, "png") == 0) {
return read_png (path, mem);
}
else {
LogE ("Invalid postfix name (%s) in loadImage\n", postfix);
return -1;
}
}
struct texture *
load_texture_from_png(const char *filename)
{
struct texture *newtexture;
unsigned int width, height;
int type;
unsigned char *data;
if((newtexture = get_texture_with_name(filename)))
return newtexture;
data = (unsigned char *)read_png(filename, &width, &height, &type);
if(!data) {
fprintf(stderr, "Error: Couldn't load texture %s\n", filename);
return NULL;
}
newtexture = create_texture_structure();
if(!newtexture)
return NULL;
snprintf(newtexture->name, 256, "%s", filename);
newtexture->gl_num = curr_gl_num++;
newtexture->width = width;
newtexture->height = height;
glBindTexture(GL_TEXTURE_2D, newtexture->gl_num);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glTexImage2D(GL_TEXTURE_2D, 0, 3, width, height, 0, GL_RGB, GL_UNSIGNED_BYTE, data);
free(data);
return newtexture;
}
bool next_frame()
{
png_structp png_ptr;
png_infop info_ptr;
struct archive_entry *ae;
int res;
read_data:
res = archive_read_next_header(this->archive, &ae);
if (res != ARCHIVE_OK || res == ARCHIVE_EOF) {
if (play_mode == LOOP) {
/* Go to the first archive entry and read it. */
close();
open();
goto read_data;
} else {
printf("Animation finished.\n");
return false;
}
} else if (res == ARCHIVE_FATAL || res == ARCHIVE_WARN || res == ARCHIVE_RETRY) {
printf("Failed to read next header.\n");
return false;
} else if (res == 0) {
/* At the end of the archive check the loop flag to see if we
* restart. */
if (read_png(&png_ptr, &info_ptr, this->archive) == 1) {
fprintf(stderr, "Problem reading PNG.\n");
return false;
}
/* Store the image data into the framebuffer. */
set_framebuffer(png_ptr, info_ptr, framebuffer);
png_destroy_read_struct(&png_ptr, png_infopp_NULL, png_infopp_NULL);
} else {
fprintf(stderr, "archive_read_next_header resulted in an unknown error.\n");
return false;
}
return true;
}
void gl_init(){
glClearColor( .5, .5, .5, 0 );
glEnable(GL_TEXTURE_2D); // Enable texturing
glGenTextures(1, &textureID); // Generate a unique texture ID
glBindTexture(GL_TEXTURE_2D, textureID); // Activate the texture
png_data_t *image = read_png("texture.png");
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexImage2D(GL_TEXTURE_2D,
0,
image->has_alpha ? GL_RGBA : GL_RGB,
image->width,
image->height,
0,
image->has_alpha ? GL_RGBA : GL_RGB,
GL_UNSIGNED_BYTE,
image->pixelData);
}
int main()
{
gdImagePtr im, im2;
im = gdImageCreateTrueColor(400, 400);
if (!im) {
fprintf(stderr, "Can't create 400x400 TC image\n");
return 1;
}
gdImageFilledRectangle(im, 19, 29, 390, 390, 0xFFFFFF);
gdImageRectangle(im, 19, 29, 390, 390, 0xFF0000);
save_png(im, "a1.png");
im2 = gdImageCropAuto(im, GD_CROP_SIDES);
if (im2) {
save_png(im2, "a2.png");
gdImageDestroy(im2);
}
gdImageDestroy(im);
im = read_png("test_crop_threshold.png");
if (!im) {
return 1;
}
im2 = gdImageCropThreshold(im, 0xFFFFFF, 0.6);
if (im2) {
save_png(im2, "a4.png");
gdImageDestroy(im2);
}
gdImageDestroy(im);
return 0;
}
int main(int argc, char * argv[])
{
webp::vp8l::huffman_io::init_array();
std::string input;
std::string output;
bool encode = false;
bool decode = false;
for(++argv; argv[0]; ++argv){
if (argv[0] == std::string("-d"))
decode = true;
else
if (argv[0] == std::string("-e"))
encode = true;
else
if (argv[0] == std::string("-h")){
print_help();
return 0;
}
else{
if (input.size() == 0)
input = argv[0];
else if (output.size() == 0)
output = argv[0];
else{
printf("What you mean? %s\n", argv[0]);
print_help();
return 1;
}
}
}
if ((encode && decode) || (!encode && !decode)){
printf("Specify key -d or -e\n");
print_help();
return 1;
}
if (input.size() == 0){
printf("Specify input file name\n");
print_help();
return 1;
}
if (output.size() == 0){
printf("Specify output file name\n");
print_help();
return 1;
}
try{
if (decode){
webp::WebP_DECODER webp(input);
webp.save2png(output);
return 0;
}
if (encode){
image_t image;
read_png(input, image);
webp::WebP_ENCODER encoder(image.image, image.width, image.height, output);
return 0;
}
}
catch(webp::exception::Exception & e){
std::cout << e.message << std::endl;
}
return 0;
}
static gboolean gst_gcs_set_caps(GstBaseTransform * btrans, GstCaps * incaps, GstCaps * outcaps)
{
GstGcs *gcs = GST_GCS (btrans);
gint in_width, in_height;
gint out_width, out_height;
GST_GCS_LOCK (gcs);
gst_video_format_parse_caps(incaps, &gcs->in_format, &in_width, &in_height);
gst_video_format_parse_caps(outcaps, &gcs->out_format, &out_width, &out_height);
if (!(gcs->in_format == gcs->out_format) ||
!(in_width == out_width && in_height == out_height)) {
GST_WARNING("Failed to parse caps %" GST_PTR_FORMAT " -> %" GST_PTR_FORMAT, incaps, outcaps);
GST_GCS_UNLOCK (gcs);
return FALSE;
}
gcs->width = in_width;
gcs->height = in_height;
GST_INFO("Initialising Gcs...");
gst_pad_set_event_function(GST_BASE_TRANSFORM_SINK_PAD(gcs), gst_gcs_sink_event);
const CvSize size = cvSize(gcs->width, gcs->height);
GST_WARNING (" width %d, height %d", gcs->width, gcs->height);
//////////////////////////////////////////////////////////////////////////////
// allocate image structs in all spaces///////////////////////////////////////
gcs->pImageRGBA = cvCreateImageHeader(size, IPL_DEPTH_8U, 4);
gcs->pImgRGB = cvCreateImage(size, IPL_DEPTH_8U, 3);
gcs->pImgScratch = cvCreateImage(size, IPL_DEPTH_8U, 3);
gcs->pImgGRAY = cvCreateImage(size, IPL_DEPTH_8U, 1);
gcs->pImgGRAY_copy = cvCreateImage(size, IPL_DEPTH_8U, 1);
gcs->pImgGRAY_diff = cvCreateImage(size, IPL_DEPTH_8U, 1);
gcs->pImgGRAY_1 = cvCreateImage(size, IPL_DEPTH_8U, 1);
gcs->pImgGRAY_1copy= cvCreateImage(size, IPL_DEPTH_8U, 1);
cvZero( gcs->pImgGRAY_1 );
cvZero( gcs->pImgGRAY_1copy );
gcs->pImgChA = cvCreateImageHeader(size, IPL_DEPTH_8U, 1);
gcs->pImgCh1 = cvCreateImage(size, IPL_DEPTH_8U, 1);
gcs->pImgCh2 = cvCreateImage(size, IPL_DEPTH_8U, 1);
gcs->pImgCh3 = cvCreateImage(size, IPL_DEPTH_8U, 1);
gcs->pImgChX = cvCreateImage(size, IPL_DEPTH_8U, 1);
gcs->pImg_skin = cvCreateImage(size, IPL_DEPTH_8U, 1);
gcs->grabcut_mask = cvCreateMat( size.height, size.width, CV_8UC1);
cvZero(gcs->grabcut_mask);
initialise_grabcut( &(gcs->GC), gcs->pImgRGB, gcs->grabcut_mask );
gcs->bbox_prev = cvRect( 60,70, 210, 170 );
//////////////////////////////////////////////////////////////////////////////
#ifdef KMEANS
// k-means allocation ////////////////////////////////////////////////////////
gcs->pImgRGB_kmeans = cvCreateImage(size, IPL_DEPTH_8U, 3);
gcs->num_samples = size.height * size.width;
gcs->kmeans_points = cvCreateMat( gcs->num_samples, 5, CV_32FC1);
gcs->kmeans_clusters = cvCreateMat( gcs->num_samples, 1, CV_32SC1);
#endif //KMEANS
//////////////////////////////////////////////////////////////////////////////
// Init ghost file ///////////////////////////////////////////////////////////
curlMemoryStructGCS chunk;
//gchar url[]="file:///home/mcasassa/imco2/mods/gstreamer/cyclops/shaders/mask8.png";
//gchar url[]="file:///apps/devnfs/mcasassa/mask_320x240.png";
char curlErrBuf[255];
if( gcs->ghostfilename){
if(FALSE == curl_download(gcs->ghostfilename, "", &chunk, curlErrBuf)) {
GST_ERROR("download failed, err: %s", curlErrBuf);
}
char errBuf[255];
if( FALSE == read_png(&chunk, &(gcs->raw_image), &(gcs->info), errBuf)){
GST_ERROR("png load failed, err: %s", errBuf);
}
const CvSize sizegh = cvSize(gcs->info.width, gcs->info.height);
gcs->cvGhost = cvCreateImageHeader(sizegh, IPL_DEPTH_8U, gcs->info.channels);
gcs->cvGhost->imageData = (char*)gcs->raw_image;
gcs->cvGhostBw = cvCreateImage(sizegh, IPL_DEPTH_8U, 1);
if( gcs->info.channels > 1){
cvCvtColor( gcs->cvGhost, gcs->cvGhostBw, CV_RGB2GRAY );
}
else{
cvCopy(gcs->cvGhost, gcs->cvGhostBw, NULL);
}
gcs->cvGhostBwResized = cvCreateImage(size, IPL_DEPTH_8U, 1);
cvResize( gcs->cvGhostBw, gcs->cvGhostBwResized, CV_INTER_LINEAR);
gcs->cvGhostBwAffined = cvCreateImage(size, IPL_DEPTH_8U, 1);
}
GST_INFO(" Collected caps, image in size (%dx%d), ghost size (%dx%d) %dch",gcs->width, gcs->height,
gcs->info.width, gcs->info.height, gcs->info.channels );
// 3 points of the face bbox associated to the ghost.
gcs->srcTri[0].x = 145;
gcs->srcTri[0].y = 74;
gcs->srcTri[1].x = 145;
gcs->srcTri[1].y = 74+39;
gcs->srcTri[2].x = 145+34;
gcs->srcTri[2].y = 74+39;
gcs->warp_mat = cvCreateMat(2,3,CV_32FC1);
gcs->numframes = 0;
GST_INFO("Gcs initialized.");
GST_GCS_UNLOCK (gcs);
return TRUE;
}
int
main(void)
{
/* Exit code 0 on success. */
return !read_png(stdin);
}
static void
update_display(struct display *dp)
/* called once after the first read to update all the info, original_pp and
* original_ip must have been filled in.
*/
{
png_structp pp;
png_infop ip;
/* Now perform the initial read with a 0 tranform. */
read_png(dp, &dp->original_file, "original read", 0/*no transform*/);
/* Move the result to the 'original' fields */
dp->original_pp = pp = dp->read_pp, dp->read_pp = NULL;
dp->original_ip = ip = dp->read_ip, dp->read_ip = NULL;
dp->original_rowbytes = png_get_rowbytes(pp, ip);
if (dp->original_rowbytes == 0)
display_log(dp, LIBPNG_BUG, "png_get_rowbytes returned 0");
dp->chunks = png_get_valid(pp, ip, 0xffffffff);
if ((dp->chunks & PNG_INFO_IDAT) == 0) /* set by png_read_png */
display_log(dp, LIBPNG_BUG, "png_read_png did not set IDAT flag");
dp->original_rows = png_get_rows(pp, ip);
if (dp->original_rows == NULL)
display_log(dp, LIBPNG_BUG, "png_read_png did not create row buffers");
if (!png_get_IHDR(pp, ip,
&dp->width, &dp->height, &dp->bit_depth, &dp->color_type,
&dp->interlace_method, &dp->compression_method, &dp->filter_method))
display_log(dp, LIBPNG_BUG, "png_get_IHDR failed");
/* 'active' transforms are discovered based on the original image format;
* running one active transform can activate others. At present the code
* does not attempt to determine the closure.
*/
{
png_uint_32 chunks = dp->chunks;
int active = 0, inactive = 0;
int ct = dp->color_type;
int bd = dp->bit_depth;
unsigned int i;
for (i=0; i<TTABLE_SIZE; ++i)
{
int transform = transform_info[i].transform;
if ((transform_info[i].valid_chunks == 0 ||
(transform_info[i].valid_chunks & chunks) != 0) &&
(transform_info[i].color_mask_required & ct) ==
transform_info[i].color_mask_required &&
(transform_info[i].color_mask_absent & ct) == 0 &&
(transform_info[i].bit_depths & bd) != 0 &&
(transform_info[i].when & TRANSFORM_R) != 0)
active |= transform;
else if ((transform_info[i].when & TRANSFORM_R) != 0)
inactive |= transform;
}
/* Some transforms appear multiple times in the table; the 'active' status
* is the logical OR of these and the inactive status must be adjusted to
* take this into account.
*/
inactive &= ~active;
dp->active_transforms = active;
dp->ignored_transforms = inactive; /* excluding write-only transforms */
if (active == 0)
display_log(dp, INTERNAL_ERROR, "bad transform table");
}
}
VFrame::VFrame(unsigned char *png_data, long image_size)
{
reset_parameters(1);
params = new BC_Hash;
read_png(png_data, image_size);
}
int main(int argc, char **argv) {
int ret, tmp;
img_t img;
char *output_dir;
FILE *out_file;
if (argc < 5) {
printf("Usage:\npacked_tilegen <input> <output_dir> <tileX> <tileY> [cardinal direction N|E|S|W\n");
exit(1);
}
printf("Read file \"%s\"\n", argv[1]);
if (strstr(argv[1], ".png"))
ret = read_png(argv[1], &img);
else if (strstr(argv[1], ".ppm"))
ret = read_ppm(argv[1], &img);
else {
printf("Unknown format!\n");
exit(2);
}
output_dir = argv[2];
if (ret) {
printf("Could not read png input file! %d\n", ret);
exit(ret);
}
img.tileX = atoi(argv[3]);
img.tileY = atoi(argv[4]);
if (argc > 5) {
switch(argv[5][0]) {
case 'n':
case 'N':
// keep defaults
break;
case 'e':
case 'E':
tmp = img.tileX;
img.tileX = img.tileY;
img.tileY = (2<<12) - 1 - tmp;
break;
case 's':
case 'S':
img.tileX = (2<<12) - 1 - img.tileX;
img.tileY = (2<<12) - 1 - img.tileY;
break;
case 'w':
case 'W':
tmp = img.tileX;
img.tileX = (2<<12) - 1 - img.tileY;
img.tileY = tmp;
break;
default:
fprintf(stderr, "Unknown cardinal direction \"%s\". Default to north\n", argv[5]);
}
}
// create pack file for writing
out_file = open_packed_file(output_dir, img.tileX, img.tileY);
tmp = 0;
while (1) {
// crop image at given zoom level..
crop_image(&img, tmp++, out_file);
scale_image(&img);
if (img.sizeX == TILE_SIZE) {
save_image(&img, output_dir);
break;
}
}
close_packed_file(out_file);
return 0;
}
int
read_image(const char *filename, int *width, int *height,
unsigned char *rgb)
{
char buf[4];
unsigned char *ubuf = (unsigned char *) buf;
int success = 0;
FILE *file;
file = fopen(filename, "rb");
if (file == NULL) return(0);
/* see what kind of file we have */
fread(buf, 1, 4, file);
fclose(file);
if (!strncmp("BM", buf, 2))
{
success = read_bmp(filename, width, height, rgb);
}
else if (!strncmp("GIF8", buf, 4))
{
#ifdef HAVE_LIBGIF
success = read_gif(filename, width, height, rgb);
#else
fprintf(stderr,
"Sorry, this program was not compiled with GIF support\n");
success = 0;
#endif /* HAVE_LIBGIF */
}
else if ((ubuf[0] == 0xff) && (ubuf[1] == 0xd8))
{
#ifdef HAVE_LIBJPEG
success = read_jpeg(filename, width, height, rgb);
#else
fprintf(stderr,
"Sorry, this program was not compiled with JPEG support\n");
success = 0;
#endif /* HAVE_LIBJPEG */
}
else if ((ubuf[0] == 0x89) && !strncmp("PNG", buf+1, 3))
{
#ifdef HAVE_LIBPNG
success = read_png(filename, width, height, rgb);
#else
fprintf(stderr,
"Sorry, this program was not compiled with PNG support\n");
success = 0;
#endif /* HAVE_LIBPNG */
}
else if (( !strncmp("P6\n", buf, 3))
|| (!strncmp("P5\n", buf, 3))
|| (!strncmp("P4\n", buf, 3))
|| (!strncmp("P3\n", buf, 3))
|| (!strncmp("P2\n", buf, 3))
|| (!strncmp("P1\n", buf, 3)))
{
#ifdef HAVE_LIBPNM
success = read_pnm(filename, width, height, rgb);
#else
fprintf(stderr,
"Sorry, this program was not compiled with PNM support\n");
success = 0;
#endif /* HAVE_LIBPNM */
}
else if (((!strncmp ("MM", buf, 2)) && (ubuf[2] == 0x00)
&& (ubuf[3] == 0x2a))
|| ((!strncmp ("II", buf, 2)) && (ubuf[2] == 0x2a)
&& (ubuf[3] == 0x00)))
{
#ifdef HAVE_LIBTIFF
success = read_tiff(filename, width, height, rgb);
#else
fprintf(stderr,
"Sorry, this program was not compiled with TIFF support\n");
success = 0;
#endif
}
else
{
fprintf(stderr, "Unknown image format\n");
success = 0;
}
return(success);
}
/* perform the actual conversion from png to gba formats */
void png2gba(FILE* in, FILE* out, char* name, int palette,
int tileize, char* colorkey) {
/* load the image */
struct Image* image = read_png(in);
/* write preamble stuff */
fprintf(out, "/* %s.h\n * generated by png2gba program */\n\n", name);
fprintf(out, "#define %s_width %d\n", name, image->w);
fprintf(out, "#define %s_height %d\n\n", name, image->h);
if (palette) {
fprintf(out, "const unsigned char %s_data [] = {\n", name);
} else {
fprintf(out, "const unsigned short %s_data [] = {\n", name);
}
/* the palette stores up to PALETTE_SIZE colors */
unsigned short color_palette[PALETTE_SIZE];
/* palette sub 0 is reserved for transparent color */
unsigned char palette_size = 1;
/* clear the palette */
memset(color_palette, 0, PALETTE_SIZE * sizeof(unsigned short));
/* insert the transparent color */
unsigned short ckey = hex24_to_15(colorkey);
color_palette[0] = ckey;
/* loop through the pixel data */
unsigned char red, green, blue;
int colors_this_line = 0;
png_byte* ptr;
while ((ptr = next_byte(image, tileize))) {
red = ptr[0];
green = ptr[1];
blue = ptr[2];
/* convert to 16-bit color */
unsigned short color = (blue >> 3) << 10;
color += (green >> 3) << 5;
color += (red >> 3);
/* print leading space if first of line */
if (colors_this_line == 0) {
fprintf(out, " ");
}
/* print color directly, or palette index */
if (!palette) {
fprintf(out, "0x%04X", color);
} else {
unsigned char index = insert_palette(color, color_palette,
&palette_size);
fprintf(out, "0x%02X", index);
}
fprintf(out, ", ");
/* increment colors on line unless too many */
colors_this_line++;
if ((palette && colors_this_line >= MAX_ROW8) ||
(!palette && colors_this_line >= MAX_ROW16)) {
fprintf(out, "\n");
colors_this_line = 0;
}
}
/* write postamble stuff */
fprintf(out, "\n};\n\n");
/* write the palette if needed */
if (palette) {
int colors_this_line = 0;
fprintf(out, "const unsigned short %s_palette [] = {\n", name);
int i;
for (i = 0; i < PALETTE_SIZE; i++) {
if (colors_this_line == 0) {
fprintf(out, " ");
}
fprintf(out, "0x%04x", color_palette[i]);
if (i != (PALETTE_SIZE - 1)) {
fprintf(out, ", ");
}
colors_this_line++;
if (colors_this_line > 8) {
fprintf(out, "\n");
colors_this_line = 0;
}
}
fprintf(out, "\n};\n\n");
}
/* close up, we're done */
fclose(out);
}
int read_frame(int number, TFrame *frame)
{
char filename[MAX_NAME_LEN];
int errcode;
int i, j;
float factor;
frame->time = 0.0;
if(input_format == FORMAT_IPX) { /* IPX VIDEO FORMAT */
/* IPX code reads in a single frame and converts to floats */
if(IPX_read_frame(number, frame, &ipx_read_status)) {
printf("Error: Could not read frame %d from IPX file %s\n", number, input_template);
exit(1);
}
}else { /* A SET OF FRAME STILLS */
/* Get the filename */
sprintf(filename, input_template, number);
/* Read the data in raw format */
errcode = 0;
switch(input_format) {
case FORMAT_BMP: {
errcode = read_bmp(filename, &readraw);
break;
}
case FORMAT_PNG: {
errcode = read_png(filename, &readraw);
break;
}
default: {
errcode = IO_ERROR_FORMAT;
}
}
/* Check error code */
if(errcode) {
switch(errcode) {
case IO_ERROR_OPEN: {
printf("Error: Could not open input file %s\n", filename);
break;
}
case IO_ERROR_FORMAT: {
printf("Error: Input file %s has an invalid file format\n", filename);
break;
}
case IO_ERROR_SIZE: {
printf("Error: Size of frame %s different to previous frames\n", filename);
break;
}
case IO_ERROR_OTHER: {
printf("Error: Could not read input file %s\n", filename);
break;
}
}
exit(1);
}
/* Check/Allocate the frame */
/* Check if the frame has been allocated */
if(frame->allocated) {
/* Data already allocated - check same size */
if((frame->width != readraw.width) || (frame->height != readraw.height)) {
/* This should never happen - checked already */
printf("\n====== OUT OF CHEESE ERROR =========\n");
exit(1);
}
}else {
/* Allocate memory. Note organised in COLUMNS */
frame->data = (float**) malloc(sizeof(float*)*readraw.width);
for(i=0;i!=readraw.width;i++)
frame->data[i] = (float*) malloc(sizeof(float)*readraw.height);
frame->width = readraw.width;
frame->height = readraw.height;
frame->allocated = 1;
}
/* Change the data to be floating point between 0 and 1 */
factor = (float) ((1 << readraw.bpp) - 1) ;
if(readraw.channels != 1) {
/* Input frame is in color */
if(readraw.bpp > 8) {
printf("\nSorry: Cannot read color images with bpp > 8 yet\n");
exit(1);
}else {
/* Convert red channel */
for(i=0;i<frame->width;i++) {
for(j=0;j<frame->height;j++) {
frame->data[i][j] = ((float) readraw.data[j][readraw.channels*i]) / factor;
}
}
}
}else {
/* Greyscale image */
if(readraw.bpp > 16) {
printf("\nSorry: Cannot read greyscale images > 16bpp yet\n");
exit(1);
}else if(readraw.bpp > 8) {
/* Data has 2 bytes per pixel */
for(i=0;i<frame->width;i++) {
for(j=0;j<frame->height;j++) {
frame->data[i][j] = ( 256.0*((float) readraw.data[j][2*i]) +
((float) readraw.data[j][2*i+1]) ) / factor;
}
}
}else {
/* if less than 8 bit, data must be unpacked into one byte per pixel */
for(i=0;i<frame->width;i++) {
for(j=0;j<frame->height;j++) {
frame->data[i][j] = ((float) readraw.data[j][i]) / factor;
}
}
}
}
}
frame->number = number;
return(0);
}
VFrame::VFrame(unsigned char *png_data)
{
reset_parameters(1);
params = new BC_Hash;
read_png(png_data);
}
int main(int argc, char* argv[])
{
int error;
FT_Face face;
FILE *fp;
const wchar_t* str1 = L"위대한 younwook 연욱대왕 만만세~";
DrawBuffer *drawBuffer;
int x, y, width, height;
width = 300;
height = 300;
setlocale(LC_ALL, "ko_KR.UTF-8");
printf("test\n\n");
wprintf( L"유니코드 입력 가능 여부 확인\n" );
error = FT_Init_FreeType( &ftlib );
if( error ) {
printf( "FT_Init_FreeType error occurred!\n" );
}
/* Load a font face */
error = FT_New_Face( ftlib,
// "/usr/share/fonts/truetype/unfonts/UnTaza.ttf",
"/System/Library/Fonts/AppleGothic.ttf",
0,
&face );
if( error == FT_Err_Unknown_File_Format ) {
printf( "font format is not supported!! \n" );
} else if( error ) {
printf( "Font file load failure!!! \n");
}
/* 픽셀 크기를 세팅하는 부분입니다. */
error = FT_Set_Char_Size(
face, /* handle to face object */
0, /* char_width in 1/64th of points */
8*64, /* char_height in 1/64th of points */
width, /* horizontal device resolution */
height ); /* vertical device resolution */
/*
캐릭터의 높이와 너비는 1/64 포인트 단위로 정해집니다. 1 포인트는
장치상에서 1/72 인치를 의미합니다. 만약 너비에 0을 세팅한다면 이는
"캐릭터 높이와 같음" 을 의미하는 것입니다.
*/
if( error ) {
printf( "Face size setting error occurred! \n" );
}
/*
libpng 부분을 먼저 구현해 봅니다...
*/
png_byte *data;
// fp = fopen("in.png", "r");
// if( !fp ) {
// printf( "file open error... \n" );
// return 0;
// }
drawBuffer = read_png("in.png");
printf("tttt\n");
// drawBuffer 변수를 생성한다.
// (사실 이 부분은 팩토리든 뭐든 사용해서 추상화시켜야 한다.)
// drawBuffer.width = width;
// drawBuffer.height = height;
// drawBuffer.data = data;
//
//
// 다시 freetype 부분으로 돌아옵니다.
FT_GlyphSlot slot = face->glyph;
int pen_x, pen_y, n;
char str[] = "test";
unsigned char* test_buffer;
FT_Bitmap_Size bitmap_size;
int i, j, k;
unsigned char p;
pen_x = 300;
pen_y = 200;
error = FT_Select_Charmap( face, FT_ENCODING_UNICODE );
wprintf( L"the char is %c, %d, %d \n", *str1, *str1, wcslen(str1) );
error = FT_Load_Glyph( face,
FT_Get_Char_Index( face, *str1 ), // 0x00a9 ),
FT_LOAD_RENDER );
error = FT_Render_Glyph( face->glyph, FT_RENDER_MODE_NORMAL );
if (error) {
printf( "FT_Load_Glyph, FT_Render_Glyph error!!\n" );
return 0;
}
printf("The bitmap size is %d, %d\n", slot->bitmap.width, slot->bitmap.rows);
test_buffer = slot->bitmap.buffer;
draw_string_line( face, drawBuffer, 50, 50, str1 );
write_png("tt.png", drawBuffer);
return 1;
}
/* decode hidim png file and write the torrent file */
int decode(const char *pngfilename) {
FILE *fp;
png_uint_32 height, width;
png_bytep *row_pointers = NULL, *transpose = NULL;
char *filename, *basefilename, *sha1sum;
int start_row, start_column, line_length, c;
unsigned int length, metadata_length, count, s;
if ((fp = fopen(pngfilename, "rb")) == NULL) {
fprintf(stderr, "%s: %s\n", pngfilename, strerror(errno));
return 0;
}
if (config & CONFIG_VERBOSE) {
printf(":: decoding %s\n", pngfilename);
}
if (!read_png(fp, &row_pointers, &width, &height)) {
fclose(fp);
fprintf(stderr, "Error: %s is not a png file.\n", pngfilename);
return 0;
}
fclose(fp);
/* rotate image */
transpose = rotate_image(row_pointers, width, height);
free_array(row_pointers, height);
if (transpose == NULL) { // it can't be. already checked before
exit(EXIT_FAILURE);
}
/* search for hidim key */
if (!search_key(transpose, width, height, &start_row, &start_column)) {
fprintf(stderr, "Error: %s is not a hidim or is corrupted.\n", pngfilename);
free_array(transpose, width);
return 0;
} else if (config & CONFIG_MORE_VERBOSE) {
printf(" hidim key found at (%d, %d)\n", start_row, (int)(height-start_column-1));
}
/* extract metadata */
read_metadata(transpose, start_row, start_column, &line_length, &filename, &sha1sum, &metadata_length, &length);
/* for security reason, only keep the basename of filename */
basefilename = basename(filename);
if (config & CONFIG_MORE_VERBOSE) {
printf("==== metadata (%d bytes) ====\n", metadata_length);
printf(" line_length: %d sha1sum: %s length: %d\n", line_length, sha1sum, length);
printf(" filename : %s\n", filename);
printf("====\n");
//printf(":: %d %s %s %d %d\n", line_length, basefilename, sha1sum, metadata_length, length);
}
/* get the torrent */
unsigned char *torrent = calloc(length, sizeof(char));
if (torrent == NULL) {
fprintf(stderr, "Error: Can't allocate %d bytes.\n", length*sizeof(char));
exit(EXIT_FAILURE);
}
count = c = s = 0;
while (count < length+metadata_length) {
if (count >= metadata_length) {
torrent[count - metadata_length] = (unsigned char)transpose[start_row+s][3*start_column+c];
}
if (c == (line_length*3 -1) ) {
c = 0;
s++;
} else {
c++;
}
count++;
}
free_array(transpose, width);
/* check the sha1sum of the torrent we extracted with sha1sum from metadata */
unsigned char md[20];
SHA1(torrent, length, md);
char *sha1sum_comp = hexa_sha1sum(md);
if (strcmp(sha1sum_comp, sha1sum) != 0) {
if (config & CONFIG_MORE_VERBOSE) {
printf("sha2sum: expected %s, got %s\n", sha1sum, sha1sum_comp);
}
fprintf(stderr, "%s: wrong sha1sum for extracted data.\n", filename);
free(sha1sum_comp);
free(sha1sum);
free(torrent);
free(filename);
return 0;
}
free(sha1sum);
free(sha1sum_comp);
/* check if torrent file does not already exist */
if (is_file(basefilename) && (!(config & CONFIG_OVERWRITE))) {
fprintf(stderr, "%s already exists. nothing done.\n", basefilename);
free(torrent);
free(filename);
return 0;
}
/* write torrent to file */
FILE *fo = fopen(basefilename, "w");
fwrite(torrent, sizeof(char), length, fo);
fclose(fo);
if (config & CONFIG_VERBOSE) {
printf("%s has been saved.\n", basefilename);
}
free(torrent);
free(filename);
return 1;
}
