Checkpoint/switch/include/draw.hpp
2018-06-10 11:11:07 +02:00

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2.8 KiB
C++

/*
* Copyright 2017-2018 nx-hbmenu Authors
*
* Permission to use, copy, modify, and/or distribute this software for any purpose
* with or without fee is hereby granted, provided that the above copyright notice
* and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT,
* OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA
* OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef DRAW_HPP
#define DRAW_HPP
#include <ft2build.h>
#include FT_FREETYPE_H
#include <switch.h>
#include "types.hpp"
#define FONT_FACES_MAX PlSharedFontType_Total
extern u8* framebuf;
extern u32 framebuf_width;
// the following code is from nx-hbmenu
// https://github.com/switchbrew/nx-hbmenu/blob/master/common/common.h#L63
static inline u8 BlendColor(u32 src, u32 dst, u8 alpha)
{
u8 one_minus_alpha = (u8)255 - alpha;
return (dst*alpha + src*one_minus_alpha)/(u8)255;
}
static inline color_t MakeColor(u8 r, u8 g, u8 b, u8 a)
{
color_t clr;
clr.r = r;
clr.g = g;
clr.b = b;
clr.a = a;
return clr;
}
static inline void DrawPixel(u32 x, u32 y, color_t clr)
{
if (x >= 1280 || y >= 720)
return;
u32 off = (y * framebuf_width + x)*4;
framebuf[off] = BlendColor(framebuf[off], clr.r, clr.a); off++;
framebuf[off] = BlendColor(framebuf[off], clr.g, clr.a); off++;
framebuf[off] = BlendColor(framebuf[off], clr.b, clr.a); off++;
framebuf[off] = 0xff;
}
static inline void Draw4PixelsRaw(u32 x, u32 y, color_t clr)
{
if (x >= 1280 || y >= 720 || x > 1280-4)
return;
u32 color = clr.r | (clr.g<<8) | (clr.b<<16) | (0xff<<24);
u128 val = color | ((u128)color<<32) | ((u128)color<<64) | ((u128)color<<96);
u32 off = (y * framebuf_width + x)*4;
*((u128*)&framebuf[off]) = val;
}
Result textInit(void);
bool fontInitialize(void);
void fontExit();
void rectangle(u32 x, u32 y, u32 w, u32 h, color_t color);
void rectangled(u32 x, u32 y, u32 w, u32 h, color_t color);
void DrawPixel(u32 x, u32 y, color_t clr);
void DrawText(u32 font, u32 x, u32 y, color_t clr, const char* text);
void DrawTextTruncate(u32 font, u32 x, u32 y, color_t clr, const char* text, u32 max_width, const char* end_text);
void GetTextDimensions(u32 font, const char* text, u32* width_out, u32* height_out);
void DrawImage(int x, int y, int width, int height, const u8 *image, ImageMode mode);
void downscaleRGBImg(const u8 *image, u8* out, int srcWidth, int srcHeight, int destWidth, int destHeight);
#endif