1 files changed, 92 insertions, 0 deletions
diff --git a/PIPET-1/pipet_view.c b/PIPET-1/pipet_view.c
new file mode 100644
index 0000000..2bb1380
--- /dev/null
+++ b/PIPET-1/pipet_view.c
@@ -0,0 +1,92 @@
+//
+//  pipet_view.c
+//  PIPET-1
+//
+//  Created by dianshi on 3/28/20.
+//  Copyright © 2020 dianshi. All rights reserved.
+//
+
+#include "pipet_view.h"
+
+int pv_init(pipet_view *pv, int32_t max_dots, int32_t w, int32_t h)
+{
+    pv->dots_size = max_dots;
+    
+    pv->dots = malloc(sizeof(uint64_t)*max_dots);
+    memset(pv->dots,0,sizeof(uint64_t)*max_dots);
+    
+    pv->dots_relative = malloc(sizeof(float)*max_dots);
+    memset(pv->dots_relative,0,sizeof(float)*max_dots);
+    
+    pv->width = w;
+    pv->height = h;
+    pv->cur_dot = 0;
+    
+    return 0;
+}
+
+int pv_set_color(pipet_view *pv, int32_t color)
+{
+    pv->color = color;
+    
+    return 0;
+}
+
+int pv_add_dot(pipet_view *pv, uint64_t val)
+{
+    int i=0;
+    float f = 0.0f;
+    
+    pv->dots[pv->cur_dot] = val;
+    pv->cur_dot = (pv->cur_dot+1)%pv->dots_size;
+    
+    if (val > pv->max_dot_value)
+    {
+        pv->max_dot_value = val;
+        //printf("New max value %d\n",val);
+    }
+    
+    for (i=0;i<pv->dots_size;i++)
+    {
+        f = 1.0f*pv->dots[i]/pv->max_dot_value;
+        
+        //pv->dots_relative[i] = (uint8_t)(f*255);
+        pv->dots_relative[i] = f;
+        //printf("%.3f %f (%d-%d) ",f, pv->dots_relative[i], pv->dots[i], pv->max_dot_value);
+        
+    }
+    printf("Max:%d K Val:%d K \n",pv->max_dot_value/1024,val/1024);
+    
+    return 0;
+}
+
+
+int pv_destroy(pipet_view *pv)
+{
+    free(pv->dots);
+    free(pv->dots_relative);
+    return 0;
+}
+
+int pv_draw_texture(pipet_view *pv, SDL_Renderer *renderer, int x, int y)
+{
+    SDL_SetRenderDrawColor(renderer, 255, 0, 0, 255);
+    SDL_RenderDrawPoint(renderer,x,y);
+    return 0;
+}
+
+
+int pv_render(pipet_view *pv, SDL_Renderer *renderer)
+{
+    int i;
+    float f=1.0f*pv->width/pv->dots_size;
+    float fx = 0.0f;
+    
+    for (i=0;i<pv->width;i++)
+    {
+        fx+=f;
+        pv_draw_texture(pv, renderer, fx, (pv->height-pv->height*pv->dots_relative[i]-1));
+    }
+    
+    return 0;
+}