skinload.c

uclinux下mplayer的源码

/*
 * MPlayer GUI for Win32
 * Copyright (C) 2003 Sascha Sommer <[e-mail]>
 * Copyright (C) 2006 Erik Augustson <[e-mail]>
 * Copyright (C) 2006 Gianluigi Tiesi <[e-mail]>
 *
 * This file is part of MPlayer.
 *
 * MPlayer 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.
 *
 * MPlayer 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 MPlayer; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#include <stdlib.h>
#include <stdio.h>
#include <inttypes.h>
#include <windows.h>

#include "mp_msg.h"
#include "cpudetect.h"
#include "libswscale/rgb2rgb.h"
#include "libswscale/swscale.h"
#include "gui.h"
#include "bitmap.h"

#define MAX_LINESIZE 256

typedef struct
{
    int msg;
    char *name;
} evName;

static const evName evNames[] =
{
    {   evNone,                 "evNone"                },
    {   evPlay,                 "evPlay"                },
    {   evDropFile,             "evDropFile"            },
    {   evStop,                 "evStop"                },
    {   evPause,                "evPause"               },
    {   evPrev,                 "evPrev"                },
    {   evNext,                 "evNext"                },
    {   evLoad,                 "evLoad"                },
    {   evEqualizer,            "evEqualizer"           },
    {   evEqualizer,            "evEqualeaser"          },
    {   evPlayList,             "evPlaylist"            },
    {   evExit,                 "evExit"                },
    {   evIconify,              "evIconify"             },
    {   evIncBalance,           "evIncBalance"          },
    {   evDecBalance,           "evDecBalance"          },
    {   evFullScreen,           "evFullScreen"          },
    {   evFName,                "evFName"               },
    {   evMovieTime,            "evMovieTime"           },
    {   evAbout,                "evAbout"               },
    {   evLoadPlay,             "evLoadPlay"            },
    {   evPreferences,          "evPreferences"         },
    {   evSkinBrowser,          "evSkinBrowser"         },
    {   evBackward10sec,        "evBackward10sec"       },
    {   evForward10sec,         "evForward10sec"        },
    {   evBackward1min,         "evBackward1min"        },
    {   evForward1min,          "evForward1min"         },
    {   evBackward10min,        "evBackward10min"       },
    {   evForward10min,         "evForward10min"        },
    {   evIncVolume,            "evIncVolume"           },
    {   evDecVolume,            "evDecVolume"           },
    {   evMute,                 "evMute"                },
    {   evIncAudioBufDelay,     "evIncAudioBufDelay"    },
    {   evDecAudioBufDelay,     "evDecAudioBufDelay"    },
    {   evPlaySwitchToPause,    "evPlaySwitchToPause"   },
    {   evPauseSwitchToPlay,    "evPauseSwitchToPlay"   },
    {   evNormalSize,           "evNormalSize"          },
    {   evDoubleSize,           "evDoubleSize"          },
    {   evSetMoviePosition,     "evSetMoviePosition"    },
    {   evSetVolume,            "evSetVolume"           },
    {   evSetBalance,           "evSetBalance"          },
    {   evHelp,                 "evHelp"                },
    {   evLoadSubtitle,         "evLoadSubtitle"        },
    {   evPlayDVD,              "evPlayDVD"             },
    {   evPlayVCD,              "evPlayVCD"             },
    {   evSetURL,               "evSetURL"              },
    {   evLoadAudioFile,        "evLoadAudioFile"       },
    {   evDropSubtitle,         "evDropSubtitle"        },
    {   evSetAspect,            "evSetAspect"           }
};

static const int evBoxs = sizeof(evNames) / sizeof(evName);

static char *geteventname(int event)
{
    int i;
    for(i=0; i<evBoxs; i++)
        if(evNames[i].msg == event)
            return evNames[i].name;
    return NULL;
}

static inline int get_sws_cpuflags(void)
{
    return (gCpuCaps.hasMMX ? SWS_CPU_CAPS_MMX : 0) |
           (gCpuCaps.hasMMX2 ? SWS_CPU_CAPS_MMX2 : 0) |
           (gCpuCaps.has3DNow ? SWS_CPU_CAPS_3DNOW : 0);
}

/* reads a complete image as is into image buffer */
static image *pngRead(skin_t *skin, unsigned char *fname)
{
    int i;
    txSample bmp;
    image *bf;
    char *filename = NULL;
    FILE *fp;

    if(!stricmp(fname, "NULL")) return 0;

    /* find filename in order file file.png */
    if(!(fp = fopen(fname, "rb")))
    {
        filename = calloc(1, strlen(skin->skindir) + strlen(fname) + 6);
        sprintf(filename, "%s\\%s.png", skin->skindir, fname);
        if(!(fp = fopen(filename, "rb")))
        {
            mp_msg(MSGT_GPLAYER, MSGL_ERR, "[png] cannot find image %s\n", filename);
            free(filename);
            return 0;
        }
    }
    fclose(fp);

    for (i=0; i < skin->imagecount; i++)
        if(!strcmp(fname, skin->images[i]->name))
        {
#ifdef DEBUG
            mp_msg(MSGT_GPLAYER, MSGL_DBG4, "[png] skinfile %s already exists\n", fname);
#endif
            free(filename);
            return skin->images[i];
        }
    (skin->imagecount)++;
    skin->images = realloc(skin->images, sizeof(image *) * skin->imagecount);
    bf = skin->images[(skin->imagecount) - 1] = calloc(1, sizeof(image));
    bf->name = strdup(fname);
    bpRead(filename ? filename : fname, &bmp);
    free(filename);
    bf->width = bmp.Width; bf->height = bmp.Height;

#ifdef DEBUG
    mp_msg(MSGT_GPLAYER, MSGL_DBG4, "[png] loaded image %s\n", fname);
    mp_msg(MSGT_GPLAYER, MSGL_DBG4, "[png] size: %dx%d bits: %d\n", bf->width, bf->height, BPP);
    mp_msg(MSGT_GPLAYER, MSGL_DBG4, "[png] imagesize: %u\n", imgsize);
#endif

    bf->size = bf->width * bf->height * skin->desktopbpp / 8;
    if (skin->desktopbpp == 32)
      bf->data = bmp.Image;
    else {
      bf->data = malloc(bf->size);
      rgb32tobgr32(bmp.Image, bmp.Image, bmp.ImageSize);
      if(skin->desktopbpp == 16) rgb32tobgr15(bmp.Image, bf->data, bmp.ImageSize);
      else if(skin->desktopbpp == 24) rgb32tobgr24(bmp.Image, bf->data, bmp.ImageSize);
      free(bmp.Image);
    }
    return bf;
}

/* frees all skin images */
static void freeimages(skin_t *skin)
{
    unsigned int i;
    for (i=0; i<skin->imagecount; i++)
    {
        if(skin->images && skin->images[i])
        {
            if(skin->images[i]->data) free(skin->images[i]->data);
            if(skin->images[i]->name) free(skin->images[i]->name);
            free(skin->images[i]);
        }
    }
    free(skin->images);
}

#ifdef DEBUG
void dumpwidgets(skin_t *skin)
{
    unsigned int i;
    for (i=0; i<skin->widgetcount; i++)
        mp_msg(MSGT_GPLAYER, MSGL_V, "widget %p id %i\n", skin->widgets[i], skin->widgets[i]->id);
}
#endif

static int counttonextchar(const char *s1, char c)
{
    unsigned int i;
    for (i=0; i<strlen(s1); i++)
        if(s1[i] == c) return i;
    return 0;
}

static char *findnextstring(char *temp, const char *desc, int *base)
{
    int len = counttonextchar(*base + desc, ',');
    memset(temp, 0, strlen(desc) + 1);
    if(!len) len = strlen(desc);
    memcpy(temp, *base + desc, len);
    *base += (len+1);
    return temp;
}

static void freeskin(skin_t *skin)
{
    unsigned int i;
    if(skin->skindir)
    {
        free(skin->skindir);
        skin->skindir = NULL;
    }

    for (i=1; i<=skin->lastusedid; i++)
        skin->removewidget(skin, i);

    if(skin->widgets)
    {
        free(skin->widgets);
        skin->widgets = NULL;
    }

    freeimages(skin);
    for(i=0; i<skin->windowcount; i++)
    {
        if(skin->windows[i]->name)
        {
            free(skin->windows[i]->name);
            skin->windows[i]->name = NULL;
        }
        free(skin->windows[i]);
    }

    free(skin->windows);
    skin->windows = NULL;

    for (i=0; i<skin->fontcount; i++)
    {
        unsigned int x;
        if(skin->fonts[i]->name)
        {
            free(skin->fonts[i]->name);
            skin->fonts[i]->name = NULL;
        }

        if(skin->fonts[i]->id)
        {
            free(skin->fonts[i]->id);
            skin->fonts[i]->id = NULL;
        }

        for (x=0; x<skin->fonts[i]->charcount; x++)
        {
            free(skin->fonts[i]->chars[x]);
            skin->fonts[i]->chars[x] = NULL;
        }

        if(skin->fonts[i]->chars)
        {
            free(skin->fonts[i]->chars);
            skin->fonts[i]->chars = NULL;
        }

        free(skin->fonts[i]);
        skin->fonts[i] = NULL;
    }
    free(skin->fonts);
    skin->fonts = NULL;
#ifdef DEBUG
    mp_msg(MSGT_GPLAYER, MSGL_DBG4, "[SKIN FREE] skin freed\n");
#endif
    free(skin);
    skin = NULL;
}

static void removewidget(skin_t *skin, int id)
{
    unsigned int i;
    unsigned int pos=0;
    widget **temp = calloc(skin->widgetcount - 1, sizeof(widget *));

    for (i=0; i<skin->widgetcount; i++)
    {
        if(skin->widgets[i]->id == id)
        {
            if(skin->widgets[i]->label)
                free(skin->widgets[i]->label);
            free(skin->widgets[i]);
            skin->widgets[i] = NULL;
        }
        else
        {
            temp[pos] = skin->widgets[i];
            pos++;
        }
    }
    if (pos != i)
    {
        (skin->widgetcount)--;
        free(skin->widgets);
        skin->widgets = temp;
#ifdef DEBUG
        mp_msg(MSGT_GPLAYER, MSGL_DBG4, "removed widget %i\n", id);
#endif
        return;
    }
    free(temp);
    mp_msg(MSGT_GPLAYER, MSGL_ERR, "widget %i not found\n", id);
}

static void addwidget(skin_t *skin, window *win, const char *desc)
{
    widget *mywidget;
    char *temp = calloc(1, strlen(desc) + 1);
    (skin->widgetcount)++;
    (skin->lastusedid)++;
    skin->widgets = realloc(skin->widgets, sizeof(widget *) * skin->widgetcount);
    mywidget = skin->widgets[(skin->widgetcount) - 1] = calloc(1, sizeof(widget));
    mywidget->id = skin->lastusedid;
    mywidget->window = win->type;
    /* parse and fill widget specific info */
    if(!strncmp(desc, "base", 4))
    {
        int base = counttonextchar(desc, '=') + 1;
        mywidget->type = tyBase;
        mywidget->bitmap[0] = pngRead(skin, findnextstring(temp, desc, &base));
        mywidget->wx = mywidget->x = atoi(findnextstring(temp, desc, &base));
        mywidget->wy = mywidget->y = atoi(findnextstring(temp, desc, &base));
        mywidget->wwidth = mywidget->width = atoi(findnextstring(temp, desc, &base));
        mywidget->wheight = mywidget->height = atoi(findnextstring(temp, desc, &base));
        win->base = mywidget;
#ifdef DEBUG
        mp_msg(MSGT_GPLAYER, MSGL_DBG4, "[SKIN] [ITEM] [BASE] %s %i %i %i %i\n",
              (mywidget->bitmap[0]) ? mywidget->bitmap[0]->name : NULL,
               mywidget->x, mywidget->y, mywidget->width, mywidget->height);
#endif
    }
    else if(!strncmp(desc, "button", 6))
    {
        int base = counttonextchar(desc, '=') + 1;
        int i;
        mywidget->type = tyButton;
        mywidget->bitmap[0] = pngRead(skin, findnextstring(temp, desc, &base));
        mywidget->wx = mywidget->x = atoi(findnextstring(temp, desc, &base));
        mywidget->wy = mywidget->y = atoi(findnextstring(temp, desc, &base));
        mywidget->wwidth = mywidget->width = atoi(findnextstring(temp, desc, &base));
        mywidget->wheight = mywidget->height = atoi(findnextstring(temp, desc, &base));
        findnextstring(temp, desc, &base);

        /* Assign corresponding event to the widget */
        mywidget->msg = evNone;
        for (i=0; i<evBoxs; i++)
        {
            if(!strcmp(temp, evNames[i].name))
            {
                mywidget->msg = evNames[i].msg;
                break;
            }
        }

#ifdef DEBUG
        mp_msg(MSGT_GPLAYER, MSGL_DBG4, "[SKIN] [ITEM] [BUTTON] %s %i %i %i %i msg %i\n",
              (mywidget->bitmap[0]) ? mywidget->bitmap[0]->name : NULL,
               mywidget->x, mywidget->y, mywidget->width, mywidget->height, mywidget->msg);
#endif
    }
    else if(!strncmp(desc, "hpotmeter", 9) || !strncmp(desc, "vpotmeter", 9))
    {
        int base = counttonextchar(desc, '=') + 1;
        int i;
        /* hpotmeter = button, bwidth, bheight, phases, numphases, default, X, Y, width, height, message */
        if(!strncmp(desc, "hpotmeter", 9)) mywidget->type = tyHpotmeter;
        else mywidget->type = tyVpotmeter;
        mywidget->bitmap[0] = pngRead(skin, findnextstring(temp, desc, &base));
        mywidget->width = atoi(findnextstring(temp, desc, &base));
        mywidget->height = atoi(findnextstring(temp, desc, &base));