tests/lines.c


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#include "test.h"

void horizontal() {
    float w = (float)test_width;
    float h = (float)test_height;

    VkvgContext ctx = _initCtx();

    for (uint32_t i = 0; i < test_size; i++) {
        randomize_color(ctx);
        float x1 = w * rndf();
        float y1 = h * rndf();
        float v  = 500.f * rndf();

        vkvg_move_to(ctx, x1, y1);
        vkvg_line_to(ctx, x1 + v, y1);
        vkvg_stroke(ctx);
    }
    vkvg_destroy(ctx);
}
void vertical() {
    float w = (float)test_width;
    float h = (float)test_height;

    VkvgContext ctx = _initCtx();

    for (uint32_t i = 0; i < test_size; i++) {
        randomize_color(ctx);
        float x1 = w * rndf();
        float y1 = h * rndf();
        float v  = 500.f * rndf();

        vkvg_move_to(ctx, x1, y1);
        vkvg_line_to(ctx, x1, y1 + v);
        vkvg_stroke(ctx);
    }
    vkvg_destroy(ctx);
}
void horzAndVert() {
    float w = (float)test_width;
    float h = (float)test_height;

    VkvgContext ctx = _initCtx();

    for (uint32_t i = 0; i < test_size; i++) {
        randomize_color(ctx);

        float x1 = w * rndf();
        float y1 = h * rndf();
        float x2 = (w * rndf()) + 1;
        float y2 = (h * rndf()) + 1;

        vkvg_move_to(ctx, x1, y1);
        vkvg_line_to(ctx, x2, y2);
        vkvg_stroke(ctx);
    }
    vkvg_destroy(ctx);
}
void multilines() {
    float w = (float)test_width;
    float h = (float)test_height;

    VkvgContext ctx = _initCtx();

    randomize_color(ctx);

    for (uint32_t i = 0; i < test_size; i++) {

        float x1 = w * rndf();
        float y1 = h * rndf();
        float x2 = (w * rndf()) + 1;
        float y2 = (h * rndf()) + 1;

        vkvg_move_to(ctx, x1, y1);
        vkvg_line_to(ctx, x2, y2);
    }
    vkvg_stroke(ctx);
    vkvg_destroy(ctx);
}
void multi_segments() {
    float w = (float)test_width - 10;
    float h = (float)test_height - 10;

    VkvgContext ctx = _initCtx();

    randomize_color(ctx);
    float x1 = w * rndf();
    float y1 = h * rndf();
    vkvg_move_to(ctx, x1, y1);
    for (uint32_t i = 0; i < test_size; i++) {
        x1 = w * rndf();
        y1 = h * rndf();
        vkvg_line_to(ctx, x1, y1);
    }
    vkvg_stroke(ctx);
    vkvg_destroy(ctx);
}

int main(int argc, char* argv[]) {
    struct timeval currentTime;
    gettimeofday(&currentTime, NULL);

    srand((unsigned)currentTime.tv_usec);

    PERFORM_TEST(horizontal, argc, argv);
    PERFORM_TEST(vertical, argc, argv);
    PERFORM_TEST(horzAndVert, argc, argv);
    PERFORM_TEST(multilines, argc, argv);
    PERFORM_TEST(multi_segments, argc, argv);
    return 0;
}