243 lines
6.4 KiB
C++
243 lines
6.4 KiB
C++
/*
|
|
* Copyright (C) OpenTX
|
|
*
|
|
* Based on code named
|
|
* th9x - http://code.google.com/p/th9x
|
|
* er9x - http://code.google.com/p/er9x
|
|
* gruvin9x - http://code.google.com/p/gruvin9x
|
|
*
|
|
* License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef _BITMAP_BUFFER_H_
|
|
#define _BITMAP_BUFFER_H_
|
|
|
|
#include <inttypes.h>
|
|
#include "colors.h"
|
|
|
|
#define USE_STB
|
|
|
|
// TODO should go to lcd.h again
|
|
typedef int coord_t;
|
|
typedef uint32_t LcdFlags;
|
|
typedef uint16_t display_t;
|
|
|
|
template<class T>
|
|
class BitmapBufferBase
|
|
{
|
|
public:
|
|
BitmapBufferBase(int width, int height, T * data):
|
|
width(width),
|
|
height(height),
|
|
data(data)
|
|
{
|
|
}
|
|
|
|
int getWidth() const
|
|
{
|
|
return width;
|
|
}
|
|
|
|
int getHeight() const
|
|
{
|
|
return height;
|
|
}
|
|
|
|
protected:
|
|
int width;
|
|
int height;
|
|
|
|
public: // TODO protected
|
|
T * data;
|
|
};
|
|
|
|
typedef BitmapBufferBase<const uint16_t> Bitmap;
|
|
|
|
class BitmapBuffer: public BitmapBufferBase<uint16_t>
|
|
{
|
|
public:
|
|
|
|
BitmapBuffer(int width, int height):
|
|
BitmapBufferBase<uint16_t>(width, height, NULL)
|
|
{
|
|
data = (uint16_t *)malloc(width*height*sizeof(uint16_t));
|
|
}
|
|
|
|
BitmapBuffer(int width, int height, uint16_t * data):
|
|
BitmapBufferBase<uint16_t>(width, height, data)
|
|
{
|
|
}
|
|
|
|
~BitmapBuffer()
|
|
{
|
|
free(data);
|
|
}
|
|
|
|
inline void clear()
|
|
{
|
|
drawSolidFilledRect(0, 0, width, height, 0);
|
|
}
|
|
|
|
inline void drawPixel(display_t * p, display_t value)
|
|
{
|
|
*p = value;
|
|
}
|
|
|
|
inline display_t * getPixelPtr(coord_t x, coord_t y)
|
|
{
|
|
return &data[y*width + x];
|
|
}
|
|
|
|
inline void drawPixel(coord_t x, coord_t y, display_t value)
|
|
{
|
|
display_t * p = getPixelPtr(x, y);
|
|
drawPixel(p, value);
|
|
}
|
|
|
|
void drawAlphaPixel(display_t * p, uint8_t opacity, uint16_t color);
|
|
|
|
inline void drawAlphaPixel(coord_t x, coord_t y, uint8_t opacity, uint16_t color)
|
|
{
|
|
display_t * p = getPixelPtr(x, y);
|
|
drawAlphaPixel(p, opacity, color);
|
|
}
|
|
|
|
void drawHorizontalLine(coord_t x, coord_t y, coord_t w, uint8_t pat, LcdFlags att);
|
|
|
|
void drawVerticalLine(coord_t x, coord_t y, coord_t h, uint8_t pat, LcdFlags att);
|
|
|
|
inline void drawSolidFilledRect(coord_t x, coord_t y, coord_t w, coord_t h, LcdFlags flags)
|
|
{
|
|
DMAFillRect(data, width, x, y, w, h, lcdColorTable[COLOR_IDX(flags)]);
|
|
}
|
|
|
|
void drawFilledRect(coord_t x, coord_t y, coord_t w, coord_t h, uint8_t pat, LcdFlags att);
|
|
|
|
void invertRect(coord_t x, coord_t y, coord_t w, coord_t h, LcdFlags att);
|
|
|
|
void drawCircle(int x0, int y0, int radius);
|
|
|
|
void drawPie(int x0, int y0, int radius, int startAngle, int endAngle);
|
|
|
|
void drawBitmapPie(int x0, int y0, const uint16_t * img, int startAngle, int endAngle);
|
|
|
|
void drawBitmapPatternPie(coord_t x0, coord_t y0, const uint8_t * img, LcdFlags flags, int startAngle, int endAngle);
|
|
|
|
static BitmapBuffer * load_bmp(const char * filename);
|
|
static BitmapBuffer * load_stb(const char * filename);
|
|
static BitmapBuffer * load(const char * filename) {
|
|
#if defined(USE_STB)
|
|
return load_stb(filename);
|
|
#else
|
|
return load_bmp(filename);
|
|
#endif
|
|
};
|
|
|
|
void drawBitmapPattern(coord_t x, coord_t y, const uint8_t * bmp, LcdFlags flags, coord_t offset=0, coord_t width=0);
|
|
|
|
void drawFontPattern(coord_t x, coord_t y, const uint8_t * font, const uint16_t * spec, int index, LcdFlags flags);
|
|
|
|
void drawSizedText(coord_t x, coord_t y, const pm_char * s, uint8_t len, LcdFlags flags);
|
|
|
|
template<class T>
|
|
void drawBitmap(coord_t x, coord_t y, const T * bmp, coord_t srcx=0, coord_t srcy=0, coord_t w=0, coord_t h=0, float scale=0)
|
|
{
|
|
int srcw = bmp->getWidth();
|
|
int srch = bmp->getHeight();
|
|
|
|
if (w == 0)
|
|
w = srcw;
|
|
if (h == 0)
|
|
h = srch;
|
|
if (srcx+w > srcw)
|
|
w = srcw - srcx;
|
|
if (srcy+h > srch)
|
|
h = srch - srcy;
|
|
|
|
if (scale == 0) {
|
|
if (x + w > width) {
|
|
w = width - x;
|
|
}
|
|
if (y + h > height) {
|
|
h = height - y;
|
|
}
|
|
if (srcw == w) {
|
|
DMACopyBitmap(data, width, x, y, &bmp->data[srcw*srcy], srcw, h);
|
|
}
|
|
else {
|
|
for (int i=0; i<h; i++) {
|
|
DMACopyBitmap(data, width, x, y+i, &bmp->data[srcw*(srcy+i)+srcx], w, 1);
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
int scaledw = w * scale;
|
|
int scaledh = h * scale;
|
|
|
|
if (x + scaledw > width)
|
|
scaledw = width - x;
|
|
if (y + scaledh > height)
|
|
scaledh = height - y;
|
|
|
|
for (int i = 0; i < scaledh; i++) {
|
|
uint16_t * p = &data[(y + i) * width + x];
|
|
const uint16_t * qstart = &bmp->data[(srcy + int(i / scale)) * bmp->getWidth() + srcx];
|
|
for (int j = 0; j < scaledw; j++) {
|
|
const uint16_t * q = qstart + int(j / scale);
|
|
*p = *q;
|
|
p++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
template<class T>
|
|
void drawScaledBitmap(const T * bitmap, coord_t x, coord_t y, coord_t w, coord_t h)
|
|
{
|
|
coord_t bitmapWidth = bitmap->getWidth();
|
|
|
|
float scale = float(h) / bitmap->getHeight();
|
|
int width = (0.5 + bitmapWidth) * scale;
|
|
if (width > w) {
|
|
int ww = (0.5 + w) / scale;
|
|
drawBitmap(x, y, bitmap, (bitmapWidth - ww)/2, 0, ww, 0, scale);
|
|
}
|
|
else {
|
|
drawBitmap(x+(w-width)/2, y, bitmap, 0, 0, 0, 0, scale);
|
|
}
|
|
}
|
|
|
|
template<class T>
|
|
void drawAlphaBitmap(coord_t x, coord_t y, const T * bmp)
|
|
{
|
|
int width = bmp->getWidth();
|
|
int height = bmp->getHeight();
|
|
|
|
if (width == 0 || height == 0) {
|
|
return;
|
|
}
|
|
|
|
for (coord_t line=0; line<height; line++) {
|
|
display_t * p = getPixelPtr(x, y+line);
|
|
const uint8_t * q = ((uint8_t *)bmp->data) + line*width*2;
|
|
for (coord_t col=0; col<width; col++) {
|
|
drawAlphaPixel(p, q[1] >> 4, ((q[1] & 0x0f) << 12) + ((q[0] & 0xf0) << 3) + ((q[0] & 0x0f) << 1));
|
|
p++; q+=2;
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
extern BitmapBuffer * lcd;
|
|
|
|
#endif // _BITMAP_BUFFER_H_
|