Ejemplos de liq_image_create_rgba_rows en C++ (Cpp)

Ejemplo n.º 1

Archivo: pngquant_tiny.c Proyecto: GeographicaGS/pngquant-py

void
read_image(liq_attr *attr, FILE *source, png24_image *png, liq_image **image)
{
    rwpng_read_image24(source, png);
    *image = liq_image_create_rgba_rows(attr, (void **) png->row_pointers,
                                        png->width, png->height, png->gamma);
}

Ejemplo n.º 2

Archivo: pngquant.c Proyecto: JiangySky/pngquant

static pngquant_error read_image(liq_attr *options, const char *filename, int using_stdin, png24_image *input_image_p, liq_image **liq_image_p, bool keep_input_pixels, bool verbose)
{
    FILE *infile;

    if (using_stdin) {
        set_binary_mode(stdin);
        infile = stdin;
    } else if ((infile = fopen(filename, "rb")) == NULL) {
        fprintf(stderr, "  error: cannot open %s for reading\n", filename);
        return READ_ERROR;
    }

    pngquant_error retval;
    #pragma omp critical (libpng)
    {
        retval = rwpng_read_image24(infile, input_image_p, verbose);
    }

    if (!using_stdin) {
        fclose(infile);
    }

    if (retval) {
        fprintf(stderr, "  error: cannot decode image %s\n", using_stdin ? "from stdin" : filename_part(filename));
        return retval;
    }

    *liq_image_p = liq_image_create_rgba_rows(options, (void**)input_image_p->row_pointers, input_image_p->width, input_image_p->height, input_image_p->gamma);

    if (!*liq_image_p) {
        return OUT_OF_MEMORY_ERROR;
    }

    if (!keep_input_pixels) {
        if (LIQ_OK != liq_image_set_memory_ownership(*liq_image_p, LIQ_OWN_ROWS | LIQ_OWN_PIXELS)) {
            return OUT_OF_MEMORY_ERROR;
        }
        input_image_p->row_pointers = NULL;
        input_image_p->rgba_data = NULL;
    }

    return SUCCESS;
}