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Current File : /var/www/html/suk_discontinued/libgd-gd-2.2.3/tests/gdinterpolatedscale/gdModesAndPalettes.c

/* Exercise all scaling with all interpolation modes and ensure that
 * at least, something comes back. */

#include <stdio.h>

#include "gd.h"
#include "gdtest.h"

#define X 100
#define Y 100

#define NX 20
#define NY 20

int main() {
    int method, i;

    for(method = GD_BELL; method <= GD_TRIANGLE; method++) {   /* GD_WEIGHTED4 is unsupported. */
        gdImagePtr im[2];

        // printf("Method = %d\n", method);
        im[0] = gdImageCreateTrueColor(X, Y);
        im[1] = gdImageCreatePalette(X, Y);

        for (i = 0; i < 2; i++) {
            gdImagePtr result;

            // printf("    %s\n", i == 0 ? "truecolor" : "palette");

            gdImageFilledRectangle(im[i], 0, 0, X-1, Y-1,
                                   gdImageColorExactAlpha(im[i], 255, 255, 255, 0));

            gdImageSetInterpolationMethod(im[i], method);
            gdTestAssert(im[i]->interpolation_id == method); /* No getter yet. */

            result = gdImageScale(im[i], NX, NY);
            gdTestAssert(result != NULL);
            gdTestAssert(result != im[i]);
            if (result == NULL) {
				gdTestErrorMsg("gdImageScale failed (method: %i, im:%i).\n", method, i);
				break;
			}
            gdTestAssert(result->sx == NX && result->sy == NY);

            gdImageDestroy(result);
            gdImageDestroy(im[i]);
        }/* for */
    }/* for*/


    return gdNumFailures();
}/* main*/