add HV 7-3 new plugins
[goodguy/cinelerra.git] / cinelerra-5.1 / plugins / posterize / posterize.C
diff --git a/cinelerra-5.1/plugins/posterize/posterize.C b/cinelerra-5.1/plugins/posterize/posterize.C
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--- /dev/null
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+
+/*
+ * CINELERRA
+ * Copyright (C) 2008-2021 Adam Williams <broadcast at earthling dot net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include "clip.h"
+#include "filexml.h"
+#include "language.h"
+#include "posterize.h"
+#include "theme.h"
+
+#include <stdio.h>
+#include <string.h>
+
+
+REGISTER_PLUGIN(PosterizeMain)
+
+
+#define MIN_STEPS 1
+#define MAX_STEPS 255
+
+PosterizeConfig::PosterizeConfig()
+{
+       steps = 255;
+}
+
+int PosterizeConfig::equivalent(PosterizeConfig &that)
+{
+    return steps == that.steps;
+}
+
+void PosterizeConfig::copy_from(PosterizeConfig &that)
+{
+    steps = that.steps;
+}
+
+void PosterizeConfig::boundaries()
+{
+    CLAMP(steps, MIN_STEPS, MAX_STEPS);
+}
+
+
+void PosterizeConfig::interpolate(PosterizeConfig &prev, 
+       PosterizeConfig &next, 
+       int64_t prev_frame, 
+       int64_t next_frame, 
+       int64_t current_frame)
+{
+       double next_scale = (double)(current_frame - prev_frame) / (next_frame - prev_frame);
+       double prev_scale = (double)(next_frame - current_frame) / (next_frame - prev_frame);
+       this->steps = (int)(prev.steps * prev_scale + next.steps * next_scale);
+       boundaries();
+}
+
+PosterizeMain::PosterizeMain(PluginServer *server)
+ : PluginVClient(server)
+{
+       
+}
+
+PosterizeMain::~PosterizeMain()
+{
+       
+}
+
+const char* PosterizeMain::plugin_title() { return N_("Posterize"); }
+int PosterizeMain::is_realtime() { return 1; }
+
+NEW_WINDOW_MACRO(PosterizeMain, PosterizeWindow)
+LOAD_CONFIGURATION_MACRO(PosterizeMain, PosterizeConfig)
+
+
+void PosterizeMain::update_gui()
+{
+       if(thread)
+       {
+               if(load_configuration())
+        {
+               thread->window->lock_window();
+            ((PosterizeWindow*)thread->window)->update(1, 1);
+               thread->window->unlock_window();
+        }
+       }
+}
+
+
+
+void PosterizeMain::save_data(KeyFrame *keyframe)
+{
+       FileXML output;
+
+// cause data to be stored directly in text
+       output.set_shared_output(keyframe->xbuf);
+       output.tag.set_title("POSTERIZE");
+       output.tag.set_property("STEPS", config.steps);
+       output.append_tag();
+       output.tag.set_title("/POSTERIZE");
+       output.append_tag();
+       output.append_newline();
+       output.terminate_string();
+}
+
+void PosterizeMain::read_data(KeyFrame *keyframe)
+{
+       FileXML input;
+
+       input.set_shared_input(keyframe->xbuf);
+
+       int result = 0;
+
+       while(!result)
+       {
+               result = input.read_tag();
+
+               if(!result)
+               {
+                       if(input.tag.title_is("POSTERIZE"))
+                       {
+                               config.steps = input.tag.get_property("STEPS", config.steps);
+                       }
+               }
+       }
+    
+       config.boundaries();
+}
+
+
+#define PROCESS(type, components, yuv) \
+{ \
+       for(int i = 0; i < h; i++) \
+       { \
+               type *in_row = (type*)frame->get_rows()[i]; \
+               type *out_row = (type*)frame->get_rows()[i]; \
+ \
+        for(int j = 0; j < w; j++) \
+        { \
+            if(sizeof(type) == 4) \
+            { \
+                out_row[j * components + 0] = (int)(in_row[j * components + 0] / division) * division; \
+                out_row[j * components + 1] = (int)(in_row[j * components + 1] / division) * division; \
+                out_row[j * components + 2] = (int)(in_row[j * components + 2] / division) * division; \
+            } \
+            else \
+            { \
+                out_row[j * components + 0] = table_r[(int)in_row[j * components + 0]]; \
+                out_row[j * components + 1] = table_g[(int)in_row[j * components + 1]]; \
+                out_row[j * components + 2] = table_b[(int)in_row[j * components + 2]]; \
+            } \
+        } \
+       } \
+}
+
+
+int PosterizeMain::process_buffer(VFrame *frame,
+       int64_t start_position,
+       double frame_rate)
+{
+       load_configuration();
+
+       read_frame(frame, 
+               0, 
+               start_position, 
+               frame_rate,
+               0);
+
+       int w = frame->get_w();
+       int h = frame->get_h();
+
+    int table_r[256];
+    int table_g[256];
+    int table_b[256];
+    float division = (float)255 / config.steps;
+    for(int i = 0; i < 256; i++)
+    {
+// luma/red
+        table_r[i] = (int)(i / division) * division;
+//printf("PosterizeMain::process_buffer %d i=%d %d\n", __LINE__, i, table_r[i]);
+//         if(BC_CModels::is_yuv(frame->get_color_model()))
+//         {
+//             table_g[i] = (int)(i / division) * division;
+//             table_b[i] = (int)(i / division) * division;
+//         }
+//         else
+//         {
+            table_g[i] = table_r[i];
+            table_b[i] = table_r[i];
+//        }
+    }
+
+
+
+       switch(frame->get_color_model())
+       {
+               case BC_YUV888:
+                       PROCESS(unsigned char, 3, 1);
+                       break;
+               case BC_YUVA8888:
+                       PROCESS(unsigned char, 4, 1);
+                       break;
+               case BC_RGB888:
+                       PROCESS(unsigned char, 3, 0);
+                       break;
+               case BC_RGBA8888:
+                       PROCESS(unsigned char, 4, 0);
+                       break;
+               case BC_RGB_FLOAT:
+            division = (float)1 / config.steps;
+                       PROCESS(float, 3, 0);
+                       break;
+               case BC_RGBA_FLOAT:
+            division = (float)1 / config.steps;
+                       PROCESS(float, 4, 0);
+                       break;
+       }
+
+       return 0;
+}
+
+
+
+PosterizeText::PosterizeText(PosterizeMain *plugin,
+    PosterizeWindow *gui,
+    int x,
+    int y,
+    int w,
+    int *output)
+ : BC_TextBox(x, y, w, 1, (int64_t)*output, 1, MEDIUMFONT)
+{
+    this->plugin = plugin;
+    this->gui = gui;
+       this->output = output;
+}
+
+int PosterizeText::handle_event()
+{
+    *output = atoi(get_text());
+    gui->update(1, 0);
+    plugin->send_configure_change();
+    return 1;
+}
+
+
+
+
+PosterizeSlider::PosterizeSlider(PosterizeMain *plugin,
+    PosterizeWindow *gui,
+       int x,
+       int y,
+    int w,
+       int *output,
+       int min,
+       int max)
+ : BC_ISlider(x, y, 0, w, w, min, max, *output)
+{
+       this->plugin = plugin;
+    this->gui = gui;
+       this->output = output;
+}
+int PosterizeSlider::handle_event()
+{
+       *output = get_value();
+    gui->update(0, 1);
+       plugin->send_configure_change();
+       return 1;
+}
+
+
+
+
+
+PosterizeWindow::PosterizeWindow(PosterizeMain *plugin)
+ : PluginClientWindow(plugin,
+       xS(300),
+       yS(100),
+       xS(300),
+       yS(100),
+       0)
+{ 
+       this->plugin = plugin; 
+}
+
+PosterizeWindow::~PosterizeWindow()
+{
+}
+
+void PosterizeWindow::create_objects()
+{
+    int text_w = xS(100);
+       int margin = client->get_theme()->widget_border;
+       int x = margin, y = margin;
+    BC_Title *title;
+       add_tool(title = new BC_Title(x, y, _("Steps per channel:")));
+    y += title->get_h() + margin;
+    add_tool(slider = new PosterizeSlider(plugin,
+        this,
+           x,
+           y,
+        get_w() - text_w - margin - margin - margin,
+           &plugin->config.steps,
+           MIN_STEPS,
+           MAX_STEPS));
+    x += slider->get_w() + margin;
+    add_tool(text = new PosterizeText(plugin,
+        this,
+        x,
+        y,
+        text_w,
+        &plugin->config.steps));
+
+       show_window();
+       flush();
+}
+
+void PosterizeWindow::update(int do_slider, int do_text)
+{
+       if(do_text) text->update((int64_t)plugin->config.steps);
+       if(do_slider) slider->update(plugin->config.steps);
+}
+
+
+
+
+