/*
* lines.c
- * iTunesXPlugIn
- *
- * Created by guillaum on Tue Aug 14 2001.
- * Copyright (c) 2001 __CompanyName__. All rights reserved.
- *
*/
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
#include "lines.h"
#include <math.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include "goom_tools.h"
+#include "drawmethods.h"
+#include "goom_plugin_info.h"
static inline unsigned char
-lighten (unsigned char value, unsigned char power)
+lighten (unsigned char value, float power)
{
- unsigned char i;
+ int val = value;
+ float t = (float) val * log10 (power) / 2.0;
- for (i = 0; i < power; i++)
- value += (255 - value) / 5;
- return value;
+ if (t > 0) {
+ val = (int) t; /* (32.0f * log (t)); */
+ if (val > 255)
+ val = 255;
+ if (val < 0)
+ val = 0;
+ return val;
+ } else {
+ return 0;
+ }
}
-void
-goom_lines (GoomData * goomdata, gint16 data[2][512], unsigned int ID,
- unsigned int *p, guint32 power)
+static void
+lightencolor (guint32 * col, float power)
{
- guint32 color1;
- guint32 color2;
- guint32 resolx = goomdata->resolx;
- guint32 resoly = goomdata->resoly;
- unsigned char *color = 1 + (unsigned char *) &color1;
-
- switch (ID) {
- case 0: /* Horizontal stereo lines */
- {
- color1 = 0x0000AA00;
- color2 = 0x00AA0000;
- break;
- }
+ unsigned char *color;
- case 1: /* Stereo circles */
- {
- color1 = 0x00AA33DD;
- color2 = 0x00AA33DD;
- break;
- }
- }
+ color = (unsigned char *) col;
*color = lighten (*color, power);
color++;
*color = lighten (*color, power);
color++;
*color = lighten (*color, power);
- color = 1 + (unsigned char *) &color2;
- *color = lighten (*color, power);
- color++;
- *color = lighten (*color, power);
color++;
*color = lighten (*color, power);
+}
- switch (ID) {
- case 0: /* Horizontal stereo lines */
- {
- unsigned int i;
+
+static void
+genline (int id, float param, GMUnitPointer * l, int rx, int ry)
+{
+ int i;
+
+ switch (id) {
+ case GML_HLINE:
for (i = 0; i < 512; i++) {
- guint32 plot;
-
- plot = i * resolx / 512 + (resoly / 4 + data[0][i] / 1600) * resolx;
- p[plot] = color1;
- p[plot + 1] = color1;
- plot = i * resolx / 512 + (resoly * 3 / 4 - data[1][i] / 1600) * resolx;
- p[plot] = color2;
- p[plot + 1] = color2;
+ l[i].x = ((float) i * rx) / 512.0f;
+ l[i].y = param;
+ l[i].angle = M_PI / 2.0f;
}
- break;
- }
+ return;
+ case GML_VLINE:
+ for (i = 0; i < 512; i++) {
+ l[i].y = ((float) i * ry) / 512.0f;
+ l[i].x = param;
+ l[i].angle = 0.0f;
+ }
+ return;
+ case GML_CIRCLE:
+ for (i = 0; i < 512; i++) {
+ float cosa, sina;
- case 1: /* Stereo circles */
- {
- float z;
- unsigned int monX = resolx / 2;
- float monY = resoly / 4;
- float monY2 = resoly / 2;
-
- for (z = 0; z < 6.2832f; z += 1.0f / monY) {
- /* float offset1 = 128+data[1][(unsigned int)(z*81.33f)])/200000; */
- p[monX + (unsigned int) ((monY + ((float) resoly) * (128 +
- data[1][(unsigned int) (z * 81.33f)]) / 200000) *
- cos (z) + resolx * (unsigned int) (monY2 + (monY +
- ((float) resoly) * (128 +
- data[1][(unsigned int) (z * 81.33f)]) / 400000) *
- sin (z)))] = color1;
- p[monX + (unsigned int) ((monY - ((float) resoly) * (128 +
- data[0][(unsigned int) (z * 81.33f)]) / 200000) *
- cos (z) + resolx * (unsigned int) (monY2 + (monY -
- ((float) resoly) * (128 +
- data[0][(unsigned int) (z * 81.33f)]) / 400000) *
- sin (z)))] = color2;
+ l[i].angle = 2.0f * M_PI * (float) i / 512.0f;
+ cosa = param * cos (l[i].angle);
+ sina = param * sin (l[i].angle);
+ l[i].x = ((float) rx / 2.0f) + cosa;
+ l[i].y = (float) ry / 2.0f + sina;
}
- break;
+ return;
+ }
+}
+
+static guint32
+getcouleur (int mode)
+{
+ switch (mode) {
+ case GML_RED:
+ return (230 << (ROUGE * 8)) | (120 << (VERT * 8)) | (18 << (BLEU * 8));
+ case GML_ORANGE_J:
+ return (120 << (VERT * 8)) | (252 << (ROUGE * 8)) | (18 << (BLEU * 8));
+ case GML_ORANGE_V:
+ return (160 << (VERT * 8)) | (236 << (ROUGE * 8)) | (40 << (BLEU * 8));
+ case GML_BLEUBLANC:
+ return (40 << (BLEU * 8)) | (220 << (ROUGE * 8)) | (140 << (VERT * 8));
+ case GML_VERT:
+ return (200 << (VERT * 8)) | (80 << (ROUGE * 8)) | (18 << (BLEU * 8));
+ case GML_BLEU:
+ return (250 << (BLEU * 8)) | (30 << (VERT * 8)) | (80 << (ROUGE * 8));
+ case GML_BLACK:
+ return (16 << (BLEU * 8)) | (16 << (VERT * 8)) | (16 << (ROUGE * 8));
+ }
+ return 0;
+}
+
+void
+goom_lines_set_res (GMLine * gml, int rx, int ry)
+{
+ if (gml != NULL) {
+ gml->screenX = rx;
+ gml->screenY = ry;
+
+ genline (gml->IDdest, gml->param, gml->points2, rx, ry);
+ }
+}
+
+
+static void
+goom_lines_move (GMLine * l)
+{
+ int i;
+ unsigned char *c1, *c2;
+
+ for (i = 0; i < 512; i++) {
+ l->points[i].x = (l->points2[i].x + 39.0f * l->points[i].x) / 40.0f;
+ l->points[i].y = (l->points2[i].y + 39.0f * l->points[i].y) / 40.0f;
+ l->points[i].angle =
+ (l->points2[i].angle + 39.0f * l->points[i].angle) / 40.0f;
+ }
+
+ c1 = (unsigned char *) &l->color;
+ c2 = (unsigned char *) &l->color2;
+ for (i = 0; i < 4; i++) {
+ int cc1, cc2;
+
+ cc1 = *c1;
+ cc2 = *c2;
+ *c1 = (unsigned char) ((cc1 * 63 + cc2) >> 6);
+ ++c1;
+ ++c2;
+ }
+
+ l->power += l->powinc;
+ if (l->power < 1.1f) {
+ l->power = 1.1f;
+ l->powinc = (float) (goom_irand (l->goomInfo->gRandom, 20) + 10) / 300.0f;
+ }
+ if (l->power > 17.5f) {
+ l->power = 17.5f;
+ l->powinc = -(float) (goom_irand (l->goomInfo->gRandom, 20) + 10) / 300.0f;
+ }
+
+ l->amplitude = (99.0f * l->amplitude + l->amplitudeF) / 100.0f;
+}
+
+void
+goom_lines_switch_to (GMLine * gml, int IDdest,
+ float param, float amplitude, int col)
+{
+ genline (IDdest, param, gml->points2, gml->screenX, gml->screenY);
+ gml->IDdest = IDdest;
+ gml->param = param;
+ gml->amplitudeF = amplitude;
+ gml->color2 = getcouleur (col);
+}
+
+GMLine *
+goom_lines_init (PluginInfo * goomInfo, int rx, int ry,
+ int IDsrc, float paramS, int coulS, int IDdest, float paramD, int coulD)
+{
+ GMLine *l = (GMLine *) malloc (sizeof (GMLine));
+
+ l->goomInfo = goomInfo;
+
+ l->points = (GMUnitPointer *) malloc (512 * sizeof (GMUnitPointer));
+ l->points2 = (GMUnitPointer *) malloc (512 * sizeof (GMUnitPointer));
+ l->nbPoints = 512;
+
+ l->IDdest = IDdest;
+ l->param = paramD;
+
+ l->amplitude = l->amplitudeF = 1.0f;
+
+ genline (IDsrc, paramS, l->points, rx, ry);
+ genline (IDdest, paramD, l->points2, rx, ry);
+
+ l->color = getcouleur (coulS);
+ l->color2 = getcouleur (coulD);
+
+ l->screenX = rx;
+ l->screenY = ry;
+
+ l->power = 0.0f;
+ l->powinc = 0.01f;
+
+ goom_lines_switch_to (l, IDdest, paramD, 1.0f, coulD);
+
+ return l;
+}
+
+void
+goom_lines_free (GMLine ** l)
+{
+ free ((*l)->points);
+ free (*l);
+ l = NULL;
+}
+
+void
+goom_lines_draw (PluginInfo * plug, GMLine * line, gint16 data[512], Pixel * p)
+{
+ if (line != NULL) {
+ int i, x1, y1;
+ guint32 color = line->color;
+ GMUnitPointer *pt = &(line->points[0]);
+
+ float cosa = cos (pt->angle) / 1000.0f;
+ float sina = sin (pt->angle) / 1000.0f;
+
+ lightencolor (&color, line->power);
+
+ x1 = (int) (pt->x + cosa * line->amplitude * data[0]);
+ y1 = (int) (pt->y + sina * line->amplitude * data[0]);
+
+ for (i = 1; i < 512; i++) {
+ int x2, y2;
+ GMUnitPointer *pt = &(line->points[i]);
+
+ float cosa = cos (pt->angle) / 1000.0f;
+ float sina = sin (pt->angle) / 1000.0f;
+
+ x2 = (int) (pt->x + cosa * line->amplitude * data[i]);
+ y2 = (int) (pt->y + sina * line->amplitude * data[i]);
+
+ plug->methods.draw_line (p, x1, y1, x2, y2, color, line->screenX,
+ line->screenY);
+
+ x1 = x2;
+ y1 = y2;
}
+ goom_lines_move (line);
}
}
projects / platform / upstream / gst-plugins-good.git / blobdiff