/*
 * Copyright (c) Hisilicon Technologies Co., Ltd. 2019-2020. All rights reserved.
 * Description: DolGLDrawSurface
 * Author:
 * Create: 2019-08-22
 */

#ifndef DOL_GL_DRAW_SURFACE_H
#define DOL_GL_DRAW_SURFACE_H

#include "GLDrawThread.h"

namespace dolgles {
// DolGLES function
#define DOL_ENDABLE_DRAW_TEXT      ENDABLE_DRAW_TEXT
#define DOL_ENDABLE_BLIT           ENDABLE_BLIT
#define DOL_ENDABLE_DISPLAY_BITMAP ENDABLE_DISPLAY_BITMAP
#define DOL_ENDABLE_DRAW_RECT      ENDABLE_DRAW_RECT
#define DOL_ENDABLE_DISPLAY_FBO    ENDABLE_DISPLAY_FBO
#define DOL_ENDABLE_FBO            ENDABLE_FBO
#define DOL_ENDABLE_DRAW_ROUND     ENDABLE_DRAW_ROUND

struct TagDolRectInfo {
    EGL_U32 x;
    EGL_U32 y;
    EGL_U32 width;
    EGL_U32 height;
};

using DolRectInfo = TagDolRectInfo;

struct TagDolRoundInfo {
    EGL_U32 x;
    EGL_U32 y;
    EGL_U32 rw; // oval radius of horizontal axle
    EGL_U32 rh; // oval radius of vertical axle
};

using DolRoundInfo = TagDolRoundInfo;

struct TagDolBlitInfo {
    EGL_U32 srcFBO;
    EGL_U32 dstFBO;
    DolRectInfo srcRect;
    DolRectInfo dstRect;
};

using DolBlitInfo = TagDolBlitInfo;

struct TagDolColorRGBA {
    EGL_U8 red;
    EGL_U8 green;
    EGL_U8 blue;
    EGL_U8 alpha;
};

using DolColorRGBA = TagDolColorRGBA;

struct TagDolTextInfo {
    const EGL_CHAR16 *text;
    EGL_U32 textLen;
    DolColorRGBA fgColor;
    DolColorRGBA bgColor;
    EGL_U8 justify;
    EGL_U32 fontSize;
    bool isBold;
    bool isUnderLine;
    bool isItalic;
};

using DolTextInfo = TagDolTextInfo;

struct TagDolBitmapInfo {
    void *bitmap;
    EGL_S32 format;
    DolRectInfo srcRect;
    DolRectInfo dstRect;
};

using DolBitmapInfo = TagDolBitmapInfo;

enum {
    DOL_NO_ERROR = 0,
    // EGL create context error
    DOL_EGL_GET_DISPLAY_FAIL = 1,
    DOL_EGL_INIT_FAIL = 2,
    DOL_EGL_CHOOSE_CONFIG_FAIL = 3,
    DOL_EGL_CREATE_CONTEXT_FAIL = 4,
    DOL_EGL_CREATE_WINDOW_FAIL = 5,
    DOL_EGL_NO_INIT_SURFACE = 6,
    // create FBO error
    DOL_FRAMEBUFFER_COMPLETE = 10,
    DOL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT = 11,
    DOL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT = 12,
    DOL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS = 13,
    DOL_FRAMEBUFFER_UNSUPPORTED = 14,
    DOL_FRAMEBUFFER_NUM_IS_MAX = 15,
    DOL_FRAMEBUFFER_INVALID = 16,
    // GL error
    DOL_CREATE_SHADER_PROGRAM_FAIL = 20,
    DOL_CREATE_TEXTURE_FAIL = 21,
    // Freetype error
    DOL_FREETYPE_INIT_FAIL = 30,
    DOL_FREETYPE_NEW_FACE_FALI = 31,
    DOL_FREETYPE_CALCULATE_TEXTURE_SIZE_FAIL = 32,

    DOL_DRAW_CMD_QUEUE_IS_EMPTY = 50,

    DOL_UNKNOWN_ERROR = 100,
    DOL_INVALID_PARAM = 101,
    DOL_NO_INIT_GLES = 102,
    DOL_NULL_POINTER_ERROR = 103
};

typedef enum {
    CAPTION_OSD_PF_CLUT8 = 0,
    /* *<Palette */ /* CNcomment/:调色板 */
    CAPTION_OSD_PF_CLUT1,
    CAPTION_OSD_PF_CLUT4,
    CAPTION_OSD_PF_4444,
    /* *<Each pixel occupies 16 bits, and the A/R/G/B components each occupies 4 bits. */
    /* CNcomment/:一个像素占16bit，ARGB每分量占4bit， */
    CAPTION_OSD_PF_0444,
    /* *<Each pixel occupies 16 bits, and the A/R/G/B components each occupies 4 bits. */
    /* CNcomment/:一个像素占16bit，ARGB每分量占4bit，, A分量不起作用 */
    CAPTION_OSD_PF_1555,
    /* *<Each pixel occupies 16 bits, the R/G/B components each occupies 5 bits, and the A component occupies 1 bit. */
    /* CNcomment/:一个像素占16bit，RGB每分量占5bit，A分量1bit， */
    CAPTION_OSD_PF_0555,
    /* *<Each pixel occupies 16 bits, the R/G/B components each occupies 5 bits, and the A component occupies 1 bit. */
    /* CNcomment/:一个像素占16bit，RGB每分量占5bit，A分量1bit，, A分量不起作用 */
    CAPTION_OSD_PF_565,
    /* *<Each pixel occupies 16 bits, and the R/G/B components each occupies 5 bits, 6 bits, and 5 bits respectively. */
    /* CNcomment/:一个像素占16bit，RGB每分量分别占5bit、6bit和5bit， */
    CAPTION_OSD_PF_8565,
    /* *<Each pixel occupies 24 bits,
        and the A/R/G/B components each occupies 8 bits, 5 bits, 6 bits, and 5 bits respectively. */
    /* CNcomment/:一个像素占24bit，ARGB每分量分别占8bit, 5bit、6bit和5bit */
    CAPTION_OSD_PF_8888,
    /* *<Each pixel occupies 32 bits, and the A/R/G/B components each occupies 8 bits. */
    /* CNcomment/:一个像素占32bit，ARGB每分量占8bit， */
    CAPTION_OSD_PF_0888,
    /* *<Each pixel occupies 24 bits, and the A/R/G/B components each occupies 8 bits. */
    /* CNcomment/:一个像素占24bit，ARGB每分量占8bit，，A分量不起作用 */
    CAPTION_OSD_PF_YUV400,
    /* *<Semi-planar YUV 400 format */ /* CNcomment/:semi-planar YUV 400格式 */
    CAPTION_OSD_PF_YUV420,
    /* *<Semi-planar YUV 420 format */ /* CNcomment/:semi-planar YUV 420格式 */
    CAPTION_OSD_PF_YUV422,
    /* *<Semi-planar YUV 422 format and horizontal sampling format */
    /* CNcomment/:semi-planar YUV 422格式  水平采样格式 */
    CAPTION_OSD_PF_YUV422_V,
    /* *<Semi-planar YUV 422 format and vertical sampling format */
    /* CNcomment/:semi-planar YUV 422格式  垂直采样格式 */
    CAPTION_OSD_PF_YUV444,
    /* *<Semi-planar YUV 444 format */ /* CNcomment/:semi-planar YUV 444格式 */

    CAPTION_OSD_PF_A1,
    CAPTION_OSD_PF_A8,

    CAPTION_OSD_PF_YUV888,
    CAPTION_OSD_PF_YUV8888,
    CAPTION_OSD_PF_RLE8,
    CAPTION_OSD_PF_BUTT
} CAPTION_OSD_PF_E;

// EGL context and opengles drawing need to be in the same thread,
// otherwise drawing is invalid
class DolGLDrawSurface {
public:
    DolGLDrawSurface();
    ~DolGLDrawSurface();

    //  Create draw thread and gles conext
    EGL_S32 DolCreateGLContext();

    // Destory gles conext and draw thread
    EGL_S32 DolDestoryGLContext();

    // Init drawing environment
    EGL_S32 Init(EGL_U32 enable);

    // Create eglsurface and connect window surface
    EGL_S32 DolConnectWindowSurface(EGLNativeWindowType nativeWindow);

    /*
      * Feature: create framebuffer object
      * Parameter: width and height
      * return: FrameBuffObject
      */
    EGL_S32 DolCreateGLFBO(EGL_U32 &fboHandleIndex, EGL_U32 width, EGL_U32 height, EGL_S32 format);

    // Release FBO
    EGL_S32 DolDestoryGLFBO(EGL_U32 fboHandleIndex);

    // Clear FBO
    EGL_S32 DolClearGLFBO(EGL_U32 fboHandleIndex);

    // Display FBO
    EGL_S32 DolDisplayFBO(EGL_U32 fboHandleIndex, const DolRectInfo &srcRect, const DolRectInfo &dstRect);

    // Source rect crop or move to tagert FBO rect
    EGL_S32 DolBlit(const DolBlitInfo &blitInfo);

    // Draw text on framebuffer object
    EGL_S32 DolDrawText(EGL_U32 fboHandleIndex, const DolTextInfo &textInfo, const DolRectInfo &rect);

    // Draw bitmap on framebuffer object
    EGL_S32 DolDrawBitmap(EGL_U32 fboHandleIndex, const DolBitmapInfo &dolBitmapInfo);

    // Draw bitmap by blend mode on framebuffer object
    EGL_S32 DolDrawBitmapByBlend(EGL_U32 fboHandleIndex, const DolBitmapInfo &dolBitmapInfo);

    // Display bitmap
    EGL_S32 DolDisplayBitmap(const DolBitmapInfo &dolBitmapInfo);

    // Draw rect on framebuffer object
    EGL_S32 DolDrawRect(EGL_U32 fboHandleIndex, const DolRectInfo &rect, const DolColorRGBA &color);

    // Draw round on framebuffer object
    EGL_S32 DolDrawRound(EGL_U32 fboHandleIndex, const DolRoundInfo &round, const DolColorRGBA &color);

    // Calculation size of the text
    EGL_S32 DolGetTextSize(const DolTextInfo &textInfo, EGL_U32 &width, EGL_U32 &height);

    // Load font lib to textture
    EGL_S32 DolLoadFont(const std::string &fontLibPath, EGL_U32 fontSize);

    EGL_U32 DolGetWindowWidth() const;

    EGL_U32 DolGetWindowHeight() const;

    EGL_S32 DolRefreshOnSrceen();

private:
    GLint ConvertFormatToGLES(EGL_S32 dolFormat) const;

    void ScreenCoordToVCoord(const DolRectInfo &rect,
        GLRectInfo &glRect, EGL_U32 screenWidth, EGL_U32 screenHeight) const;

    void ScreenCoordToVCoord(const DolRoundInfo &round,
        GLRoundInfo &glRound, EGL_U32 screenWidth, EGL_U32 screenHeight) const;

    void ScreenCoordToFboCoord(const DolRectInfo &rect,
        GLRectInfo &glRect, EGL_U32 screenWidth, EGL_U32 screenHeight) const;

    void ConvertGLColor(const DolColorRGBA &colorRGBA, ColorRGBA &color) const;

    void SetTextInfo(const DolTextInfo &dolText, GLTextInfo &textInfo) const;

    void SetBitmapInfo(GLBitmapInfo &bitmapInfo, const DolBitmapInfo &dolBitmapInfo,
        EGL_U32 screenWidth, EGL_U32 screenHeight) const;

    void DrawRect(const FrameBuffObject &fbo, const DolRectInfo &rect, const DolColorRGBA &color);

    void CorrectTextColor(DolColorRGBA &fgColor, const DolColorRGBA &bgColor);

    void DrawTextUnderline(const FrameBuffObject &fbo, const DolTextInfo &textInfo, DolRectInfo &rect);

    void DrawBackground(const FrameBuffObject &fbo, const DolRectInfo &rect, const DolColorRGBA &color);

    void DrawText(const FrameBuffObject &fbo, DolTextInfo &textInfo, DolRectInfo &rect);

    std::shared_ptr<GLDrawThread> drawThread;

    EGLNativeWindowType mNativeWindow;
    EGL_U32 winWidth;
    EGL_U32 winHeight;
    mutex mMutex;
};
}; // namespace dolgles

#endif // end DOL_GL_DRAW_SURFACE_H