298 lines
7.2 KiB
C
298 lines
7.2 KiB
C
/*
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* mircol.c
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* ========
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#include <math.h>
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#include "../tthimage.h"
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/*::------------------------------------------------------------------::*/
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int Image_mircol_0(Image_Desc *dst, char *txt, int flag)
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{
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int x, y;
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RGBA fond, encre;
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if (dst->width < 512 || dst->height < 512) {
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fprintf(stderr, "Image mircol 0: image %p < 512x512\n", dst);
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return IMAGE_TOO_SMALL;
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}
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if (0 != flag) {
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fprintf(stderr, "%s: flag is %d and must be 0\n", __func__, flag);
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}
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if (NULL != txt) {
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fprintf(stderr, "%s: txt is '%s'\n", __func__, txt);
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}
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for (x=0; x<256; x++) {
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for (y=0; y<256; y++) {
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Image_plotRGB(dst, x, y, x, y, 0);
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Image_plotRGB(dst, x+256, y, x, 0, y);
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Image_plotRGB(dst, x, y+256, 0, x, y);
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}
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}
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for (x=0; x<256; x++)
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for (y=300; y<342; y++)
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Image_plotRGB(dst, x+256, y, x, x, x);
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fond.r = 0; fond.g = 0; fond.b = 0; fond.a = 255;
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encre.r = 220; encre.g = 255; encre.b = 255; encre.a = 255;
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if (txt != NULL)
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Image_trace_chaine_1(dst, txt, 270, 270, "libimage.fonte",
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&fond, &encre);
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Image_trace_chaine_1(dst, "Libtthimage de tTh", 270, 370, "libimage.fonte",
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&fond, &encre);
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Image_trace_chaine_1(dst, IMAGE_VERSION_STRING, 270, 385, NULL, &fond, &encre);
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Image_trace_chaine_1(dst, __DATE__, 270, 400, NULL, &fond, &encre);
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for (x=1; x<256; x++)
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for (y=420; y<462; y++)
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Image_plotRGB(dst, x+256, y,
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rand()%x, rand()%x, rand()%x);
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return FUNC_IS_BETA;
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}
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/*::------------------------------------------------------------------::*/
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/* a quoi sert ce flag ? */
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int Image_mircol_1(Image_Desc *dst, char *txt, int flag)
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{
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RGBA fond, encre;
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int x, y, r, g, b;
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if (dst->width < 512 || dst->height < 512) {
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fprintf(stderr, "Image mircol 1: image %p < 512x512\n", dst);
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return IMAGE_TOO_SMALL;
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}
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for (x=0; x<512; x++) {
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for (y=0; y<512; y++) {
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r = x;
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g = (x + y) / 2;
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b = y;
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Image_plotRGB(dst, x, y, r, g, b);
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}
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}
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fond.r = 0; fond.g = 0; fond.b = 0; fond.a = 255;
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encre.r = 255; encre.g = 255; encre.b = 255; encre.a = 255;
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/* ya pas moyen de mettre ces textes dans des jolies boites ? */
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Image_trace_chaine_1(dst, txt, 270, 270, "libimage.fonte", &fond, &encre);
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Image_trace_chaine_1(dst, "Libtthimage de tTh", 270, 370, NULL, &fond, &encre);
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Image_trace_chaine_1(dst, IMAGE_VERSION_STRING, 270, 390, NULL, &fond, &encre);
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return FUNC_IS_ALPHA;
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}
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/*::------------------------------------------------------------------::*/
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/* new 31 aout 2009 - ave StEx */
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/* 5 fev 2010 : hacked for "BETA tech" */
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int Image_mircol_2(Image_Desc *dst, char *txt, int mode)
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{
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int x, y, r, g, b, kx, ky;
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float fx, fy, fd;
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#if DEBUG_LEVEL
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fprintf(stderr, ">>>> %s ( %p '%s' %d )\n", __func__, dst, txt, mode);
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#endif
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for (y=0; y<dst->height; y++) {
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fy = (float)y / (float)dst->height;
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ky = (int)(fy * 256.0);
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for (x=0; x<dst->width; x++)
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{
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fx = (float)x / (float)dst->width;
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kx = (int)(fx * 256.0);
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r = kx;
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g = ky;
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fd = sqrt((fx*fx)+(fy*fy));
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b = (int)(fd * 256.0);
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#if DEBUG_LEVEL > 1
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if (x==y)
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printf("%4d %4d %7.3f %7.3f %f\n",
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x, y, fx, fy, fd);
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#endif
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Image_plotRGB(dst, x, y, r, g, b);
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}
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}
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return FULL_NUCKED;
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}
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/*::------------------------------------------------------------------::*/
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/* nouveau 6 fevrier 2010 */
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int Image_mircol_3(Image_Desc *dst, char *txt, int mode)
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{
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int x, y, r, g, b;
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int *p1, *p2, *p3;
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float fx, fx2, fy, dist;
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float mystk;
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#if DEBUG_LEVEL
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fprintf(stderr, ">>>> %s ( %p '%s' %d )\n", __func__, dst, txt, mode);
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#endif
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switch (mode) {
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case 0: p1 = &r, p2 = &g, p3 = &b; break;
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case 1: p1 = &g, p2 = &b, p3 = &r; break;
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case 2: p1 = &b, p2 = &r, p3 = &g; break;
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default:
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fprintf(stderr, "case error in %s:%d\n", __func__, __LINE__);
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return BAD_PARAMETER;
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}
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mystk = 0.90; /* FIXME */
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for (y=0; y<dst->height; y++) {
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fy = (float)y / (float)dst->height;
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for (x=0; x<dst->width; x++) {
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fx = (float)x / (float)dst->width;
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*p1 = (int)((fx*fy) * 255);
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*p2 = (int)(((1.0-fx)*fy) * 255);
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fx2 = fx - 0.5;
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dist = sqrt((fx2*fx2)+(fy*fy)) * 255.0 * mystk;
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*p3 = (int)(256.0-dist);
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#if DEBUG_LEVEL
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if ((dst->width < 42)&&(dst->height < 42))
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printf("%3d %3d %3d %3d %3d\n", x, y, r, g, b);
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#endif
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/* XXX Image_plotRGB(dst, x, y, r, g, b); */
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(dst->Rpix[y])[x] = r;
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(dst->Gpix[y])[x] = g;
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(dst->Bpix[y])[x] = b;
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}
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}
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#if DEBUG_LEVEL > 1
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fprintf(stderr, "%s: verifier le resultat, svp.\n", __func__);
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#endif
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return FUNC_IS_BETA;
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}
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/*::------------------------------------------------------------------::*/
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/* nouveau 10 fevrier 2010 */
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int Image_mircol_4(Image_Desc *dst, char *txt, int mode)
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{
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int x, y, r, g, b;
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int *p1, *p2, *p3;
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float fx, fx2, fy, dist;
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#if DEBUG_LEVEL
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fprintf(stderr, ">>>> %s ( %p '%s' %d )\n", __func__, dst, txt, mode);
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#endif
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switch (mode) {
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case 0: p1 = &r, p2 = &g, p3 = &b; break;
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case 1: p1 = &g, p2 = &b, p3 = &r; break;
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case 2: p1 = &b, p2 = &r, p3 = &g; break;
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default:
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fprintf(stderr, "switch/case error in %s:%d\n",
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__func__, __LINE__);
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abort();
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break;
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}
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for (y=0; y<dst->height; y++) {
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fy = (float)y / (float)dst->height;
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for (x=0; x<dst->width; x++) {
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fx = (float)x / (float)dst->width;
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/* FIXME TODO OMG WTF XXX */
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}
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}
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return FULL_NUCKED;
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}
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/*::------------------------------------------------------------------::*/
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int Image_mirRGB_0(Image_Desc *dst, int flag)
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{
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int x, y;
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#if DEBUG_LEVEL
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fprintf(stderr, ">>> %s ( %p %d )\n", __func__, dst, flag);
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#endif
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if (flag) {
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fprintf(stderr, "flag is %d in %s\n", flag, __func__);
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}
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if (dst->width != 256 || dst->height != 256) {
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fprintf(stderr, "Image mire RGB 0: image is not 256x256\n");
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return IMAGE_BAD_DIMS;
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}
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for (x=0; x<256; x++) {
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for (y=0; y<256; y++) {
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(dst->Rpix[y])[x] = x;
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(dst->Gpix[y])[x] = y;
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(dst->Bpix[y])[x] = (y+x)/2;
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}
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}
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return FUNC_IS_BETA;
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}
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/*::------------------------------------------------------------------::*/
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/* le bit 0 du flag controle l'ecriture des noms de composantes */
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int Image_decompose(Image_Desc *src, Image_Desc *dst, int flag)
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{
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int foo, x, y, hx, hy;
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Image_Desc *moitie;
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int r, g, b;
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if ( (foo=Image_compare_desc(src, dst)) ) {
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fprintf(stderr, "%s: bad dimensions %d\n", __func__, foo);
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return foo;
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}
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moitie = Image_MakeHalfSize(src, 1);
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if (moitie == NULL) {
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fprintf(stderr, "Image Decompose: NO MEM\n");
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exit(5);
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}
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if (0 != flag)
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fprintf(stderr, "%s : flag is 0x%X\n", __func__, flag);
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hx = moitie->width;
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hy = moitie->height;
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for (x=0; x<moitie->width; x++) {
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for (y=0; y<moitie->height; y++) {
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Image_getRGB(moitie, x, y, &r, &g, &b);
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Image_plotRGB(dst, x, y, r, r, r);
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Image_plotRGB(dst, x+hx, y, g, g, g);
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Image_plotRGB(dst, x, y+hy, b, b, b);
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Image_plotRGB(dst, x+hx, y+hy, r, g, b);
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}
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}
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/* faire le menage */
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Image_DeAllocate(moitie); free(moitie);
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if (flag & 1) {
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RGBA ink, pap; /* hu ho ? local vars here ? */
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Image_load_fnt8x8("libimage.fonte", NULL, 0);
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pap.a = 0; ink.a = 255;
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ink.r = 255; ink.b = 0; ink.g = 0;
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Image_trace_chaine_1(dst, "RED", 2, 2, NULL, &pap, &ink);
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ink.r = 0; ink.g = 255; ink.b = 0;
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Image_trace_chaine_1(dst, "GREEN", 2+hx, 2, NULL, &pap, &ink);
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ink.r = 10; ink.g = 10; ink.b = 255;
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Image_trace_chaine_1(dst, "BLUE", 2, 2+hy, NULL, &pap, &ink);
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}
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return FUNC_IS_ALPHA;
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}
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/*::------------------------------------------------------------------::*/
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