99 lines
1.9 KiB
C
99 lines
1.9 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <stdint.h>
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#include <math.h>
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#include "../tthimage.h"
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/* ============================== */
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int essai_show_t16x24( char *text)
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{
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if (NULL != text)
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Image_t16x24_essai("16x24thin", text, "16x24.tga");
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else
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Image_t16x24_essai("16x24gruik", "0123456789abcdef", "16x24.tga");
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return 0;
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}
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/* ============================== */
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void mk_lut(unsigned char lut[])
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{
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int idx, uc;
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float fidx;
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for (idx=0; idx<256; idx++) {
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fidx = (float)idx / 255.0;
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uc = (unsigned char)(255.0*(0.5 - 0.5 * cos(3.141592654*fidx)));
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lut[idx] = uc;
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printf("%7d %7d\n", idx, uc);
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}
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}
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/* ============================== */
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int essai_draw_paint_rect(char *outga)
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{
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Image_Desc *img;
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Image_Rect rect;
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int foo, x, y;
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fprintf(stderr, ">>> %s ( '%s' )\n", __func__, outga);
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rect.x = 8; rect.y = 8;
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rect.w = 6; rect.h = 6;
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if (NULL==(img=Image_alloc(64, 32, 3))) {
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abort();
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}
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for (x=0; x<img->width; x+=2) {
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for (y=0; y<img->height; y+=2) {
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Image_plotRGB(img, x, y, 200, 200, 200);
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}
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}
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foo = Image_draw_rect(img, &rect, 192, 128, 64);
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if (foo) {
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fprintf(stderr, "%s: err %d draw rect\n", __func__, foo);
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return foo;
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}
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rect.x = 24;
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foo = Image_paint_rect(img, &rect, 64, 128, 192);
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if (foo) {
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fprintf(stderr, "%s: err %d paint rect\n", __func__, foo);
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return foo;
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}
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foo = Image_TGA_save(outga, img, 0);
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if (foo) {
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fprintf(stderr, "%s: err %d save '%s'\n", __func__, foo, outga);
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return foo;
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}
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return OLL_KORRECT;
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}
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/* ============================== */
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int main(int argc, char *argv[])
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{
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int foo;
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unsigned char Lut[256];
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mk_lut(Lut);
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#if 0
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Image_print_version(2);
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Image_print_sizeof_structs("foo");
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foo = essai_show_t16x24(NULL);
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fprintf(stderr, "essai show t16x24 --> %d\n", foo);
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foo = essai_draw_paint_rect("foo.tga");
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fprintf(stderr, "essai draw rect --> %d\n", foo);
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Image_egalise_cos01(NULL, NULL, 0);
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#endif
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return 0;
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}
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