WError WImage::Load(std::string filename, bool bDynamic) {
// check if file exists
FILE* fp;
fopen_s(&fp, filename.c_str(), "r");
if (fp)
fclose(fp);
else
return WError(W_FILENOTFOUND);
int n = 4, w, h;
unsigned char *data;
if (stbi_info(filename.c_str(), &w, &h, &n) == 0)
return WError(W_INVALIDFILEFORMAT);
data = stbi_load(filename.c_str(), &w, &h, &n, 0);
if (!data)
return WError(W_INVALIDFILEFORMAT);
// convert from 8-bit char components to 32-bit float components
float* pixels = new float[w*h*n];
for (int i = 0; i < w*h*n; i++) {
float f = (float)data[i] / (float)(unsigned char)(-1);
pixels[i] = f;
}
free(data);
WError err = CreateFromPixelsArray(pixels, w, h, bDynamic, n);
delete[] pixels;
return err;
}
ImageInfo getImageDimensions(const std::string & filePath){
std::string path = ofToDataPath(filePath, true);
ImageInfo info;
int ret = stbi_info(path.c_str(), &info.width, &info.height, &info.nChannels);
info.valid = (ret != 0);
if(!info.valid){
ofLogError("ofxApp::utils") << "getImageDimensions() failed for image \"" << filePath << "\"";
ofPixels pix;
bool loadOK = ofLoadImage(pix, filePath);
if(loadOK){
info.width = pix.getWidth();
info.height = pix.getHeight();
info.valid = true;
info.nChannels = pix.getNumPlanes();
}
}
return info;
}
bool cImage::GetInfo( const std::string& path, int * width, int * height, int * channels ) {
bool res = stbi_info( path.c_str(), width, height, channels ) != 0;
if ( !res && cPackManager::instance()->FallbackToPacks() ) {
std::string npath( path );
cPack * tPack = cPackManager::instance()->Exists( npath );
if ( NULL != tPack ) {
SafeDataPointer PData;
tPack->ExtractFileToMemory( npath, PData );
res = 0 != stbi_info_from_memory( PData.Data, PData.DataSize, width, height, channels );
}
}
return res;
}
u64 load_pixel_frame(u64 texture, int x, int y, int x2, int y2){
texture_info texinfo;
if(!try_get_texture_info(texture, &texinfo)){
char namebuf[100];
get_textures(texture, namebuf, sizeof(namebuf));
stbi_info(namebuf, &texinfo.width, &texinfo.height, &texinfo.comp);
set_texture_info(texture, texinfo);
}
vec2 size = vec2_new(texinfo.width, texinfo.height);
texture_section sec =
{.uv_offset = vec2_div(vec2_new(x, y), size),
.uv_size = vec2_div(vec2_new(x2 - x, y2 - y), size),
.render_offset = vec2_new(0,0),
.pixel_size = vec2_new(x2 - x, y2 - y)};
//sec.uv_offset.y = 1.0 - sec.uv_offset.y;
add_texture_sections(texture, sec);
return 0;
}
u64 load_pixel_frame_center_of_mass(u64 texture, int x, int y, int x2, int y2, int cx, int cy){
texture_info texinfo;
if(!try_get_texture_info(texture, &texinfo)){
char namebuf[100];
get_textures(texture, namebuf, sizeof(namebuf));
stbi_info(namebuf, &texinfo.width, &texinfo.height, &texinfo.comp);
set_texture_info(texture, texinfo);
}
vec2 size = vec2_new(texinfo.width, texinfo.height);
int center_x = (x2 + x) / 2, center_y = (y2 + y) / 2;
texture_section sec =
{.uv_offset = vec2_div(vec2_new(x, y), size),
.uv_size = vec2_div(vec2_new(x2 - x, y2 - y), size),
.render_offset = vec2_new(center_x - cx, center_y - cy),
.pixel_size = vec2_new(x2 - x, y2 - y)};
add_texture_sections(texture, sec);
return 0;
}
CREATE_TABLE2(animation, u64, animation_state);
struct{
u32 count;
i32 * texture;
u64 * texid;
}loaded_textures;
i32 get_animation_gltexture(u64 tex){
u64 * id = memmem(loaded_textures.texid, loaded_textures.count * sizeof(u64), &tex, sizeof(u64));
if(id != NULL){
ASSERT(*id == tex);
return loaded_textures.texture[id - loaded_textures.texid];
}
char buffer[100];
get_textures(tex, buffer, sizeof(buffer));
i32 newtex = load_gl_texture(buffer);
list_push(loaded_textures.texture, loaded_textures.count, newtex);
list_push2(loaded_textures.texid, loaded_textures.count, tex);
return newtex;
}
int main(int argc, char **argv)
{
int w,h;
//test_ycbcr();
#if 0
// test hdr asserts
for (h=0; h < 100; h += 2)
for (w=0; w < 200; ++w)
hdr_data[h][w][0] = (float) rand(),
hdr_data[h][w][1] = (float) rand(),
hdr_data[h][w][2] = (float) rand();
stbi_write_hdr("output/test.hdr", 200,200,3,hdr_data[0][0]);
#endif
if (argc > 1) {
int i, n;
for (i=1; i < argc; ++i) {
int res;
int w2,h2,n2;
unsigned char *data;
printf("%s\n", argv[i]);
res = stbi_info(argv[1], &w2, &h2, &n2);
data = stbi_load(argv[i], &w, &h, &n, 4); if (data) free(data); else printf("Failed &n\n");
data = stbi_load(argv[i], &w, &h, 0, 1); if (data) free(data); else printf("Failed 1\n");
data = stbi_load(argv[i], &w, &h, 0, 2); if (data) free(data); else printf("Failed 2\n");
data = stbi_load(argv[i], &w, &h, 0, 3); if (data) free(data); else printf("Failed 3\n");
data = stbi_load(argv[i], &w, &h, &n, 4);
assert(data);
assert(w == w2 && h == h2 && n == n2);
assert(res);
if (data) {
char fname[512];
stb_splitpath(fname, argv[i], STB_FILE);
stbi_write_png(stb_sprintf("output/%s.png", fname), w, h, 4, data, w*4);
stbi_write_bmp(stb_sprintf("output/%s.bmp", fname), w, h, 4, data);
stbi_write_tga(stb_sprintf("output/%s.tga", fname), w, h, 4, data);
stbi_write_png_to_func(dummy_write,0, w, h, 4, data, w*4);
stbi_write_bmp_to_func(dummy_write,0, w, h, 4, data);
stbi_write_tga_to_func(dummy_write,0, w, h, 4, data);
free(data);
} else
printf("FAILED 4\n");
}
} else {
int i, nope=0;
#ifdef PNGSUITE_PRIMARY
char **files = stb_readdir_files("pngsuite/primary");
#else
char **files = stb_readdir_files("images");
#endif
for (i=0; i < stb_arr_len(files); ++i) {
int n;
char **failed = NULL;
unsigned char *data;
printf(".");
//printf("%s\n", files[i]);
data = stbi_load(files[i], &w, &h, &n, 0); if (data) free(data); else stb_arr_push(failed, "&n");
data = stbi_load(files[i], &w, &h, 0, 1); if (data) free(data); else stb_arr_push(failed, "1");
data = stbi_load(files[i], &w, &h, 0, 2); if (data) free(data); else stb_arr_push(failed, "2");
data = stbi_load(files[i], &w, &h, 0, 3); if (data) free(data); else stb_arr_push(failed, "3");
data = stbi_load(files[i], &w, &h, 0, 4); if (data) ; else stb_arr_push(failed, "4");
if (data) {
char fname[512];
#ifdef PNGSUITE_PRIMARY
int w2,h2;
unsigned char *data2;
stb_splitpath(fname, files[i], STB_FILE_EXT);
data2 = stbi_load(stb_sprintf("pngsuite/primary_check/%s", fname), &w2, &h2, 0, 4);
if (!data2)
printf("FAILED: couldn't load 'pngsuite/primary_check/%s\n", fname);
else {
if (w != w2 || h != w2 || 0 != memcmp(data, data2, w*h*4)) {
int x,y,c;
if (w == w2 && h == h2)
for (y=0; y < h; ++y)
for (x=0; x < w; ++x)
for (c=0; c < 4; ++c)
assert(data[y*w*4+x*4+c] == data2[y*w*4+x*4+c]);
printf("FAILED: %s loaded but didn't match PRIMARY_check 32-bit version\n", files[i]);
}
free(data2);
}
#else
stb_splitpath(fname, files[i], STB_FILE);
stbi_write_png(stb_sprintf("output/%s.png", fname), w, h, 4, data, w*4);
#endif
free(data);
}
if (failed) {
int j;
printf("FAILED: ");
for (j=0; j < stb_arr_len(failed); ++j)
printf("%s ", failed[j]);
printf(" -- %s\n", files[i]);
}
}
printf("Tested %d files.\n", i);
}
return 0;
}
