Old corona image sheet format exporter for TexturePackerGUI

corona-imagesheet.lua

--
-- created with TexturePacker (http://www.codeandweb.com/texturepacker)
--
-- {{smartUpdateKey}}
--
-- local sheetInfo = require("mysheet")
-- local myImageSheet = graphics.newImageSheet( "mysheet.png", sheetInfo:getSheet() )
-- local sprite = display.newSprite( myImageSheet , {frames={sheetInfo:getFrameIndex("sprite")}} )
--

local SheetInfo = {}

SheetInfo.sheet =
{
    frames = {
    {% for sprite in allSprites %}
        {
            -- {{sprite.trimmedName}}
            x={{sprite.frameRect.x}},
            y={{sprite.frameRect.y}},
            width={{sprite.frameRect.width}},
            height={{sprite.frameRect.height}},
{% if sprite.trimmed %}
            sourceX = {{sprite.sourceRect.x}},
            sourceY = {{sprite.sourceRect.y}},
            sourceWidth = {{sprite.untrimmedSize.width}},
            sourceHeight = {{sprite.untrimmedSize.height}}{% endif %}
        },{% endfor %}
    },
    
    sheetContentWidth = {{texture.size.width}},
    sheetContentHeight = {{texture.size.height}}
}

SheetInfo.frameIndex =
{
{% for sprite in allSprites %}
    ["{{sprite.trimmedName}}.png"] = {{ forloop.counter }},{% endfor %}
}

function SheetInfo:getOptions()
    return self.sheet;
end

function SheetInfo:getFrameIndexByName(name)
    return self.frameIndex[name];
end

return SheetInfo

exporter.xml

<exporter version="1.0">
    <!-- identifier of the exporter -->
    <name>corona-imagesheet-old</name>
	
    <!-- display name of the exporter for the combo box -->
    <displayName>Corona(TM) SDK (old format image sheet)</displayName>
	
    <!-- description of the exporter -->
    <description>Exporter for Corona(TM) SDK using old image sheet format.</description>

    <!-- exporter version -->
    <version>1.0</version>
	
    <!-- currently only one file allowed - more to come with update -->
    <files>
        <file>
            <!-- name of this file variable -->
            <name>lua</name>

            <!-- human readable name (for GUI) -->
            <displayName>Corona(TM) SDK lua file</displayName>

            <!-- file extension for the file -->
            <fileExtension>lua</fileExtension>

            <!-- description what the file contains, used in tooltips in the GUI -->
            <description>Lua file for Corona(TM) SDK</description>

            <!-- name of the template file -->
            <template>corona-imagesheet.lua</template>
        </file>
    </files>

    <!-- target framework supports trimming -->
    <supportsTrimming>true</supportsTrimming>

    <!-- target framework supports rotated sprites -->
    <supportsRotation>false</supportsRotation>

    <!-- rotated sprites direction (cw/ccw) -->
    <rotationDirection>cw</rotationDirection>

    <!-- supports npot sizes -->
    <supportsNPOT>true</supportsNPOT>

    <!-- supports file name stripping (remove .png etc) -->
    <supportsTrimSpriteNames>yes</supportsTrimSpriteNames>

    <!-- supports texure subpath -->
    <supportsTextureSubPath>yes</supportsTextureSubPath>

    <!-- vector from center of untrimmed image to center of trimmed image must have integer coordinates -->
    <ensureIntegerCenterOffset>yes</ensureIntegerCenterOffset>

</exporter>