testsuite/misc-ming.all/loading/LoadBitmapTest.c

   1 /*
   2  *   Copyright (C) 2007, 2009, 2010, 2011 Free Software Foundation, Inc.
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program; if not, write to the Free Software
  15  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  16  *
  17  */
  18
  19 #include <stdlib.h>
  20 #include <stdio.h>
  21 #include <ming.h>
  22 #include <string.h>
  23
  24 #include "ming_utils.h"
  25
  26 #define OUTPUT_VERSION 8
  27 #define OUTPUT_FILENAME "LoadBitmapTest.swf"
  28
  29 const char* mediadir=".";
  30
  31
  32 /// The test shows the following:
  33 //
  34 /// The MovieClip itself is drawn with no transformation, i.e. identity matrix.
  35 /// Any contained MovieClips keep their transformation.
  36 /// BitmapData.draw draws on top of what's in the BitmapData already.
  37 /// Dynamically loaded images are not drawn.
  38 int
  39 main(int argc, char** argv)
  40 {
  41     SWFMovie mo;
  42     SWFMovieClip dejagnuclip;
  43     SWFBitmap bp;
  44     SWFInput inp;
  45     FILE* imgfile;
  46
  47     if (argc > 1) mediadir = argv[1];
  48     else {
  49         fprintf(stderr, "Usage: %s <mediadir>\n", argv[0]);
  50         return EXIT_FAILURE;
  51     }
  52
  53     Ming_init();
  54     Ming_useSWFVersion (OUTPUT_VERSION);
  55
  56     mo = newSWFMovie();
  57     SWFMovie_setDimension(mo, 800, 600);
  58
  59     SWFMovie_setRate(mo, 12);
  60     dejagnuclip = get_dejagnu_clip(
  61             (SWFBlock)get_default_font(mediadir), 10, 10, 150, 800, 600);
  62     SWFMovie_add(mo, (SWFBlock)dejagnuclip);
  63
  64     SWFMovie_nextFrame(mo);
  65
  66     // Add a MovieClip with an image.
  67
  68     char file[] = "/green.jpg";
  69     if (strlen(mediadir) > 1024) {
  70         fprintf(stderr, "Path to media dir too long! Fix the testcase");
  71     }
  72     char path[1024 + sizeof file];
  73     strcpy(path, mediadir);
  74     strcat(path, file);
  75
  76     imgfile = fopen(path, "rb");
  77     if (!imgfile) {
  78         fprintf(stderr, "Failed to open bitmap file");
  79         return EXIT_FAILURE;
  80     }
  81
  82     // Note that recent ming version have the more convenient
  83     // newSWFInput_filename() function, but we want to support
  84     // older versions.
  85     inp = newSWFInput_file(imgfile);
  86         bp = newSWFBitmap_fromInput(inp);
  87         if (!bp) {
  88                 return EXIT_FAILURE;
  89         }
  90     SWFMovie_addExport(mo, (SWFBlock)bp, "img1");
  91
  92     SWFMovie_writeExports(mo);
  93
  94     // For some reason some values are very slightly different, even though
  95     // the bytes should be taken directly from the embedded DefineBits tag.
  96     // We'd better not worry about it too much; they're very close.
  97     add_actions(mo,
  98             // 24-bit RGB checker
  99             "near = function(bitmap, x, y, val) {"
 100             "   tol = 2;"
 101             "   col = bitmap.getPixel(x, y);"
 102             "   col_r = (col & 0xff0000) >> 16;"
 103             "   col_g = (col & 0xff00) >> 8;"
 104             "   col_b = (col & 0xff);"
 105             "   val_r = (val & 0xff0000) >> 16;"
 106             "   val_g = (val & 0xff00) >> 8;"
 107             "   val_b = (val & 0xff);"
 108             "   if (Math.abs(col_r - val_r) > tol) return false;"
 109             "   if (Math.abs(col_b - val_b) > tol) return false;"
 110             "   if (Math.abs(col_g - val_g) > tol) return false;"
 111             "   return true;"
 112             "};"
 113             );
 114
 115     add_actions(mo,
 116             "f = flash.display.BitmapData.loadBitmap('img1');");
 117     check_equals(mo, "typeof(f)", "'object'");
 118     check_equals(mo, "f.__proto__", "flash.display.BitmapData.prototype");
 119     check(mo, "f.__proto__ === flash.display.BitmapData.prototype");
 120     check_equals(mo, "f.transparent", "false");
 121
 122     // Pixel checking
 123     check(mo, "near(f, 85, 10, 0x00ff00)");
 124     check(mo, "near(f, 85, 30, 0x008800)");
 125     check(mo, "near(f, 85, 50, 0x004400)");
 126     check(mo, "near(f, 85, 70, 0x002200)");
 127     check(mo, "near(f, 85, 85, 0x000000)");
 128
 129     // Now do weird things with the class to see what's called where.
 130     add_actions(mo,
 131
 132             // A static property of an object
 133             "o = {};"
 134             "ASSetPropFlags(o, null, 0, 1);"
 135             "o.func = flash.display.BitmapData.loadBitmap;"
 136
 137             // Plain function
 138             "func = flash.display.BitmapData.loadBitmap;"
 139
 140             // Overwrite flash.display.BitmapData
 141             "backup = flash.display.BitmapData;"
 142             "_global.flash.display.BitmapData = 67;"
 143
 144             // Works
 145             "c = o.func('img1');"
 146
 147             // Doesn't work. Not sure why; maybe because 'this' is a level.
 148             "d = func('img1');"
 149
 150             "o.prototype = backup.prototype;"
 151             "e = o.func('img1');"
 152
 153             "_root.attachBitmap(c, 67);"
 154
 155             );
 156
 157     check_equals(mo, "typeof(c)", "'object'");
 158     check_equals(mo, "c.__proto__", "undefined");
 159     xcheck_equals(mo, "typeof(d)", "'undefined'");
 160
 161     // The __proto__ member is the prototype of the parent object.
 162     check_equals(mo, "typeof(e)", "'object'");
 163     check_equals(mo, "typeof(e.__proto__)", "'object'");
 164     check_equals(mo, "e.__proto__", "backup.prototype");
 165     check_equals(mo, "typeof(e.constructor)", "'function'");
 166     check(mo, "e.constructor != backup.constructor");
 167
 168     add_actions(mo, "_global.flash.display.BitmapData = backup;");
 169
 170     add_actions(mo, "stop();");
 171
 172     // Output movie
 173     puts("Saving " OUTPUT_FILENAME);
 174     SWFMovie_save(mo, OUTPUT_FILENAME);
 175
 176     fclose(imgfile);
 177
 178     return EXIT_SUCCESS;
 179 }