FabGL
ESP32 Display Controller and Graphics Library
vga16controller.h
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1 /*
2  Created by Fabrizio Di Vittorio (fdivitto2013@gmail.com) - <http://www.fabgl.com>
3  Copyright (c) 2019-2021 Fabrizio Di Vittorio.
4  All rights reserved.
5 
6 
7 * Please contact fdivitto2013@gmail.com if you need a commercial license.
8 
9 
10 * This library and related software is available under GPL v3. Feel free to use FabGL in free software and hardware:
11 
12  FabGL is free software: you can redistribute it and/or modify
13  it under the terms of the GNU General Public License as published by
14  the Free Software Foundation, either version 3 of the License, or
15  (at your option) any later version.
16 
17  FabGL is distributed in the hope that it will be useful,
18  but WITHOUT ANY WARRANTY; without even the implied warranty of
19  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20  GNU General Public License for more details.
21 
22  You should have received a copy of the GNU General Public License
23  along with FabGL. If not, see <http://www.gnu.org/licenses/>.
24  */
25 
26 
27 #pragma once
28 
29 
30 
38 #include <stdint.h>
39 #include <stddef.h>
40 #include <atomic>
41 
42 #include "driver/gpio.h"
43 
44 #include "freertos/FreeRTOS.h"
45 #include "freertos/queue.h"
46 
47 #include "fabglconf.h"
48 #include "fabutils.h"
49 #include "devdrivers/swgenerator.h"
50 #include "displaycontroller.h"
52 
53 
54 
55 #define VGA16_LinesCount 4
56 
57 
58 
59 
60 namespace fabgl {
61 
62 
63 
83 
84 public:
85 
87 
88  // unwanted methods
89  VGA16Controller(VGA16Controller const&) = delete;
90  void operator=(VGA16Controller const&) = delete;
91 
92 
98  static VGA16Controller * instance() { return s_instance; }
99 
100  void readScreen(Rect const & rect, RGB888 * destBuf);
101 
113  void setPaletteItem(int index, RGB888 const & color);
114 
115 
116 protected:
117 
118  void setupDefaultPalette();
119 
120 
121 private:
122 
123 
124  // abstract method of BitmappedDisplayController
125  void setPixelAt(PixelDesc const & pixelDesc, Rect & updateRect);
126 
127  // abstract method of BitmappedDisplayController
128  void drawEllipse(Size const & size, Rect & updateRect);
129 
130  // abstract method of BitmappedDisplayController
131  void clear(Rect & updateRect);
132 
133  // abstract method of BitmappedDisplayController
134  void VScroll(int scroll, Rect & updateRect);
135 
136  // abstract method of BitmappedDisplayController
137  void HScroll(int scroll, Rect & updateRect);
138 
139  // abstract method of BitmappedDisplayController
140  void drawGlyph(Glyph const & glyph, GlyphOptions glyphOptions, RGB888 penColor, RGB888 brushColor, Rect & updateRect);
141 
142  // abstract method of BitmappedDisplayController
143  void invertRect(Rect const & rect, Rect & updateRect);
144 
145  // abstract method of BitmappedDisplayController
146  void copyRect(Rect const & source, Rect & updateRect);
147 
148  // abstract method of BitmappedDisplayController
149  void swapFGBG(Rect const & rect, Rect & updateRect);
150 
151  // abstract method of BitmappedDisplayController
152  void rawDrawBitmap_Native(int destX, int destY, Bitmap const * bitmap, int X1, int Y1, int XCount, int YCount);
153 
154  // abstract method of BitmappedDisplayController
155  void rawDrawBitmap_Mask(int destX, int destY, Bitmap const * bitmap, void * saveBackground, int X1, int Y1, int XCount, int YCount);
156 
157  // abstract method of BitmappedDisplayController
158  void rawDrawBitmap_RGBA2222(int destX, int destY, Bitmap const * bitmap, void * saveBackground, int X1, int Y1, int XCount, int YCount);
159 
160  // abstract method of BitmappedDisplayController
161  void rawDrawBitmap_RGBA8888(int destX, int destY, Bitmap const * bitmap, void * saveBackground, int X1, int Y1, int XCount, int YCount);
162 
163  // abstract method of BitmappedDisplayController
164  void rawFillRow(int y, int x1, int x2, RGB888 color);
165  void rawFillRow(int y, int x1, int x2, uint8_t colorIndex);
166 
167  void rawInvertRow(int y, int x1, int x2);
168 
169  void rawCopyRow(int x1, int x2, int srcY, int dstY);
170 
171  void swapRows(int yA, int yB, int x1, int x2);
172 
173  // abstract method of BitmappedDisplayController
174  void absDrawLine(int X1, int Y1, int X2, int Y2, RGB888 color);
175 
176  // abstract method of BitmappedDisplayController
177  int getBitmapSavePixelSize() { return 1; }
178 
179  static void ISRHandler(void * arg);
180 
181 
182  static VGA16Controller * s_instance;
183 
184  volatile uint16_t m_packedPaletteIndexPair_to_signals[256];
185 
186 };
187 
188 
189 
190 } // end of namespace
191 
192 
193 
194 
195 
196 
197 
int16_t X2
Definition: fabutils.h:179
Represents a 24 bit RGB color.
static VGA16Controller * instance()
Returns the singleton instance of VGA16Controller class.
int16_t Y2
Definition: fabutils.h:180
int16_t Y1
Definition: fabutils.h:178
This file contains fabgl::GPIOStream definition.
This file contains fabgl::BitmappedDisplayController definition.
void setPaletteItem(int index, RGB888 const &color)
Determines color of specified palette item.
int16_t X1
Definition: fabutils.h:177
Represents a glyph position, size and binary data.
Represents an image.
This file contains some utility classes and functions.
Definition: canvas.cpp:36
Represents the VGA 16 colors bitmapped controller.
This file contains fabgl::VGAPalettedController definition.
Specifies various glyph painting options.
Represents a rectangle.
Definition: fabutils.h:225
This file contains FabGL library configuration settings, like number of supported colors...
Represents a bidimensional size.
Definition: fabutils.h:208
Represents the base class for paletted bitmapped controllers like VGA16Controller, VGA8Controller, etc..