Array<unsigned char> pack_end() {
stbtt_PackEnd(spc);
return to_haxe_bytes(spc->pixels, spc->width * spc->height);
}
Dynamic bake_font_bitmap(char const *filename, float pixel_height, int px, int py, int first_char, int num_chars) {
unsigned char *bake_pixels = new unsigned char[px*py];
stbtt_bakedchar *backed_char_data = new stbtt_bakedchar[num_chars];
fread(ttf_buffer, 1, 1<<25, fopen(filename, "rb"));
stbtt_BakeFontBitmap(ttf_buffer, 0, pixel_height, bake_pixels, px, py, first_char, num_chars, backed_char_data);
hx::Anon result = hx::Anon_obj::Create();
result->Add(HX_CSTRING("pixels"), to_haxe_bytes(bake_pixels, px * py));
result->Add(HX_CSTRING("charData"), to_baked_char_data(backed_char_data, num_chars));
return result;
}
Dynamic read_frame(struct DecInputContext *input) {
vpx_codec_iter_t iter = NULL;
vpx_image_t *img;
uint8_t *buf = NULL;
size_t bytes_in_buffer = 0;
size_t buffer_size = 0;
int status = webm_read_frame(input->webm_ctx, &buf, &bytes_in_buffer, &buffer_size);
if(status == 0) {
if(vpx_codec_decode(input->decoder, buf, (unsigned int)bytes_in_buffer, NULL, 0)) {
warn("Failed to decode frame: %s", vpx_codec_error(input->decoder));
}
} else {
warn("EOF/Error %d", status);
}
if(status == 0) {
img = vpx_codec_get_frame(input->decoder, &iter);
} else {
img = NULL;
}
/*
{
status:Int, (0 = success, 1 = EOF, -1 = Error)
data:BytesData, // image bytes
width:Int,
height:Int,
comp:Int, // RGBA = 4
}
*/
int width = 0;
int height = 0;
int comp = 4;
unsigned char* rgba;
hx::Anon result = hx::Anon_obj::Create();
result->Add(HX_CSTRING("status"), status);
if(img != NULL) {
width = img->d_w;
height = img->d_h;
rgba = (unsigned char*)malloc(sizeof(unsigned char) * width * height * comp);
if(img->fmt == VPX_IMG_FMT_I420) {
::libyuv::I420ToABGR(
img->planes[VPX_PLANE_Y],img->stride[VPX_PLANE_Y],
img->planes[VPX_PLANE_U],img->stride[VPX_PLANE_U],
img->planes[VPX_PLANE_V],img->stride[VPX_PLANE_V],
rgba, width * comp, width, height
);
ImgBytesData data = to_haxe_bytes(rgba, width * height * comp);
result->Add(HX_CSTRING("data"), data);
} else {
warn("Img format unknown");
}
} else {
warn("No image decoded!");
}
result->Add(HX_CSTRING("width"), width);
result->Add(HX_CSTRING("height"), height);
result->Add(HX_CSTRING("comp"), comp);
return result;
}
