提交 98711f49 编写于 作者: M Mu Daosheng

support tga format texture

上级 8e7fdff1
......@@ -14275,6 +14275,25 @@ THREE.CompressedTexture.prototype.clone = function () {
};
/**
* @author Daosheng Mu / https://github.com/DaoshengMu/
*/
THREE.TGATexture = function ( format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy ) {
THREE.Texture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );
};
THREE.TGATexture.prototype = Object.create( THREE.Texture.prototype );
THREE.TGATexture.prototype.clone = function() {
var texture = new THREE.TGATexture();
THREE.Texture.prototype.clone.all( this. texture );
return texture;
};
/**
* @author alteredq / http://alteredqualia.com/
*/
......@@ -25157,7 +25176,11 @@ THREE.WebGLRenderer = function ( parameters ) {
}
} else { // regular Texture (image, video, canvas)
} else if ( texture instanceof THREE.TGATexture ) {
var tgaImg = texture.image;
_gl.texImage2D( _gl.TEXTURE_2D, 0, glFormat, tgaImg.width, tgaImg.height, 0, glFormat, glType, tgaImg.data );
} else { // regular Texture (image, video, canvas)
// use manually created mipmaps if available
// if there are no manual mipmaps
......@@ -26660,6 +26683,7 @@ THREE.GeometryUtils = {
/**
* @author alteredq / http://alteredqualia.com/
* @author mrdoob / http://mrdoob.com/
* @author Daosheng Mu / https://github.com/DaoshengMu/
*/
THREE.ImageUtils = {
......@@ -26889,6 +26913,453 @@ THREE.ImageUtils = {
return texture;
},
// reference from vthibault, https://github.com/vthibault/roBrowser/blob/master/src/Loaders/Targa.js
decodeTGA: function ( arrayBuffer ) {
// TGA Constants
var TGA_TYPE_NO_DATA = 0,
TGA_TYPE_INDEXED = 1,
TGA_TYPE_RGB = 2,
TGA_TYPE_GREY = 3,
TGA_TYPE_RLE_INDEXED = 9,
TGA_TYPE_RLE_RGB = 10,
TGA_TYPE_RLE_GREY = 11,
TGA_ORIGIN_MASK = 0x30,
TGA_ORIGIN_SHIFT = 0x04,
TGA_ORIGIN_BL = 0x00,
TGA_ORIGIN_BR = 0x01,
TGA_ORIGIN_UL = 0x02,
TGA_ORIGIN_UR = 0x03;
if ( arrayBuffer.length < 19 )
console.error( 'ImageUtils::decodeTGA()- Not enough data to contain header.' );
var content = new Uint8Array( arrayBuffer ),
offset = 0,
header = {
id_length: content[ offset++ ],
colormap_type: content[ offset++ ],
image_type: content[offset++],
colormap_index: content[offset++] | content[offset++] << 8,
colormap_length: content[offset++] | content[offset++] << 8,
colormap_size: content[offset++],
origin: [
content[offset++] | content[offset++] << 8,
content[offset++] | content[offset++] << 8
],
width: content[offset++] | content[offset++] << 8,
height: content[offset++] | content[offset++] << 8,
pixel_size: content[offset++],
flags: content[offset++]
};
function tgaCheckHeader( header ) {
switch( header.image_type ) {
// Check indexed type
case TGA_TYPE_INDEXED:
case TGA_TYPE_RLE_INDEXED:
if ( header.colormap_length > 256 || header.colormap_size !== 24 || header.colormap_type !== 1) {
console.error('Targa::tgaCheckHeader() - Invalid type colormap data for indexed type');
}
break;
// Check colormap type
case TGA_TYPE_RGB:
case TGA_TYPE_GREY:
case TGA_TYPE_RLE_RGB:
case TGA_TYPE_RLE_GREY:
if (header.colormap_type) {
console.error('ImageUtils::tgaCheckHeader() - Invalid type colormap data for colormap type');
}
break;
// What the need of a file without data ?
case TGA_TYPE_NO_DATA:
console.error('ImageUtils::tgaCheckHeader() - No data');
// Invalid type ?
default:
console.error('ImageUtils::tgaCheckHeader() - Invalid type " '+ header.image_type + '"');
}
// Check image width and height
if ( header.width <= 0 || header.height <=0 ) {
console.error( 'ImageUtils::tgaCheckHeader() - Invalid image size' );
}
// Check image pixel size
if (header.pixel_size !== 8 &&
header.pixel_size !== 16 &&
header.pixel_size !== 24 &&
header.pixel_size !== 32) {
console.error('ImageUtils::tgaCheckHeader() - Invalid pixel size "' + header.pixel_size + '"');
}
}
// Check tga if it is valid format
tgaCheckHeader( header );
if ( header.id_length + offset > arrayBuffer.length ) {
console.error('ImageUtils::load() - No data');
}
// Skip the needn't data
offset += header.id_length;
// Get targa information about RLE compression and palette
var use_rle = false,
use_pal = false,
use_grey = false;
switch ( header.image_type ) {
case TGA_TYPE_RLE_INDEXED:
use_rle = true;
use_pal = true;
break;
case TGA_TYPE_INDEXED:
use_pal = true;
break;
case TGA_TYPE_RLE_RGB:
use_rle = true;
break;
case TGA_TYPE_RGB:
break;
case TGA_TYPE_RLE_GREY:
use_rle = true;
use_grey = true;
break;
case TGA_TYPE_GREY:
use_grey = true;
break;
}
// Parse tga image buffer
function tgaParse( use_rle, use_pal, header, offset, data ) {
var pixel_data,
pixel_size,
pixel_total,
palettes;
pixel_size = header.pixel_size >> 3;
pixel_total = header.width * header.height * pixel_size;
// Read palettes
if ( use_pal ) {
palettes = data.subarray( offset, offset += header.colormap_length * 3 );
}
// Read RLE
if ( use_rle ) {
pixel_data = new Uint8Array(pixel_total);
var c, count, i;
var shift = 0;
var pixels = new Uint8Array(pixel_size);
while (shift < pixel_total) {
c = data[offset++];
count = (c & 0x7f) + 1;
// RLE pixels.
if (c & 0x80) {
// Bind pixel tmp array
for (i = 0; i < pixel_size; ++i) {
pixels[i] = data[offset++];
}
// Copy pixel array
for (i = 0; i < count; ++i) {
pixel_data.set(pixels, shift + i * pixel_size);
}
shift += pixel_size * count;
}
// Raw pixels.
else {
count *= pixel_size;
for (i = 0; i < count; ++i) {
pixel_data[shift + i] = data[offset++];
}
shift += count;
}
}
}
// RAW Pixels
else {
pixel_data = data.subarray(
offset, offset += (use_pal ? header.width * header.height : pixel_total)
);
}
return {
pixel_data: pixel_data,
palettes: palettes
};
}
function tgaGetImageData8bits(imageData, y_start, y_step, y_end, x_start, x_step, x_end
, image, palettes ) {
var colormap = palettes;
var color, i = 0, x, y;
var width = header.width;
for (y = y_start; y !== y_end; y += y_step) {
for (x = x_start; x !== x_end; x += x_step, i++) {
color = image[i];
imageData[(x + width * y) * 4 + 3] = 255;
imageData[(x + width * y) * 4 + 2] = colormap[(color * 3) + 0];
imageData[(x + width * y) * 4 + 1] = colormap[(color * 3) + 1];
imageData[(x + width * y) * 4 + 0] = colormap[(color * 3) + 2];
}
}
return imageData;
};
function tgaGetImageData16bits(imageData, y_start, y_step, y_end, x_start, x_step, x_end
, image) {
var color, i = 0, x, y;
var width = header.width;
for (y = y_start; y !== y_end; y += y_step) {
for (x = x_start; x !== x_end; x += x_step, i += 2) {
color = image[i + 0] + (image[i + 1] << 8); // Inversed ?
imageData[(x + width * y) * 4 + 0] = (color & 0x7C00) >> 7;
imageData[(x + width * y) * 4 + 1] = (color & 0x03E0) >> 2;
imageData[(x + width * y) * 4 + 2] = (color & 0x001F) >> 3;
imageData[(x + width * y) * 4 + 3] = (color & 0x8000) ? 0 : 255;
}
}
return imageData;
};
function tgaGetImageData24bits(imageData, y_start, y_step, y_end, x_start, x_step, x_end, image) {
var i = 0, x, y;
var width = header.width;
for (y = y_start; y !== y_end; y += y_step) {
for (x = x_start; x !== x_end; x += x_step, i += 3) {
imageData[(x + width * y) * 4 + 3] = 255;
imageData[(x + width * y) * 4 + 2] = image[i + 0];
imageData[(x + width * y) * 4 + 1] = image[i + 1];
imageData[(x + width * y) * 4 + 0] = image[i + 2];
}
}
return imageData;
};
function tgaGetImageData32bits(imageData, y_start, y_step, y_end, x_start, x_step, x_end, image) {
var i = 0, x, y;
var width = header.width;
for (y = y_start; y !== y_end; y += y_step) {
for (x = x_start; x !== x_end; x += x_step, i += 4) {
imageData[(x + width * y) * 4 + 2] = image[i + 0];
imageData[(x + width * y) * 4 + 1] = image[i + 1];
imageData[(x + width * y) * 4 + 0] = image[i + 2];
imageData[(x + width * y) * 4 + 3] = image[i + 3];
}
}
return imageData;
};
function tgaGetImageDataGrey8bits( imageData, y_start, y_step, y_end, x_start, x_step, x_end, image ) {
var color, i = 0, x, y;
var width = header.width;
for (y = y_start; y !== y_end; y += y_step) {
for (x = x_start; x !== x_end; x += x_step, i++) {
color = image[i];
imageData[(x + width * y) * 4 + 0] = color;
imageData[(x + width * y) * 4 + 1] = color;
imageData[(x + width * y) * 4 + 2] = color;
imageData[(x + width * y) * 4 + 3] = 255;
}
}
return imageData;
};
function tgaGetImageDataGrey16bits(imageData, y_start, y_step, y_end, x_start, x_step, x_end, image) {
var i = 0, x, y;
var width = header.width;
for (y = y_start; y !== y_end; y += y_step) {
for (x = x_start; x !== x_end; x += x_step, i += 2) {
imageData[(x + width * y) * 4 + 0] = image[i + 0];
imageData[(x + width * y) * 4 + 1] = image[i + 0];
imageData[(x + width * y) * 4 + 2] = image[i + 0];
imageData[(x + width * y) * 4 + 3] = image[i + 1];
}
}
return imageData;
};
function getTgaRGBA( width, height, image, palette ) {
var x_start,
y_start,
x_step,
y_step,
x_end,
y_end,
data = new Uint8Array(width * height * 4);
switch( (header.flags & TGA_ORIGIN_MASK) >> TGA_ORIGIN_SHIFT ) {
default:
case TGA_ORIGIN_UL:
x_start = 0;
x_step = 1;
x_end = width;
y_start = 0;
y_step = 1;
y_end = height;
break;
case TGA_ORIGIN_BL:
x_start = 0;
x_step = 1;
x_end = width;
y_start = height - 1;
y_step = -1;
y_end = -1;
break;
case TGA_ORIGIN_UR:
x_start = width - 1;
x_step = -1;
x_end = -1;
y_start = 0;
y_step = 1;
y_end = height;
break;
case TGA_ORIGIN_BR:
x_start = width - 1;
x_step = -1;
x_end = -1;
y_start = height - 1;
y_step = -1;
y_end = -1;
break;
}
if ( use_grey ) {
switch( header.pixel_size )
{
case 8:
tgaGetImageDataGrey8bits( data, y_start, y_step, y_end, x_start, x_step, x_end, image );
break;
case 16:
tgaGetImageDataGrey16bits( data, y_start, y_step, y_end, x_start, x_step, x_end, image );
break;
default:
console.error( 'ImageUtils::getTgaRGBA() - not support this format' );
break;
}
}
else {
switch( header.pixel_size )
{
case 8:
tgaGetImageData8bits( data, y_start, y_step, y_end, x_start, x_step, x_end, image, palette );
break;
case 16:
tgaGetImageData16bits( data, y_start, y_step, y_end, x_start, x_step, x_end, image );
break;
case 24:
tgaGetImageData24bits( data, y_start, y_step, y_end, x_start, x_step, x_end, image );
break;
case 32:
tgaGetImageData32bits( data, y_start, y_step, y_end, x_start, x_step, x_end, image );
break;
default:
console.error( 'ImageUtils::getTgaRGBA() - not support this format' );
break;
}
}
// Load image data according to specific method
// var func = 'tgaGetImageData' + (use_grey ? 'Grey' : '') + (header.pixel_size) + 'bits';
//func(data, y_start, y_step, y_end, x_start, x_step, x_end, width, image, palette );
return data;
}
var result = tgaParse( use_rle, use_pal, header, offset, content );
var rgbaData = getTgaRGBA( header.width, header.height, result.pixel_data, result.palettes );
return {
width: header.width,
height: header.height,
data: rgbaData
};
},
loadTGATexture: function ( url, mapping, onLoad, onError ) {
var texture = new THREE.TGATexture();
{
var request = new XMLHttpRequest();
request.open( 'GET', url, true );
request.responseType = "arraybuffer";
request.onload = function() {
if ( this.status === 200 ) {
var imageData = THREE.ImageUtils.decodeTGA( this.response );
if ( imageData ) {
texture.image = imageData;
texture.sourceFile = url;
texture.needsUpdate = true;
return texture;
}
}
};
request.addEventListener( 'load', function ( event ) {
if ( onLoad ) onLoad( texture );
}, false );
request.addEventListener( 'error', function ( event ) {
if ( onError ) onError( event );
}, false );
request.send(null);
}
texture.sourceFile = url;
return texture;
},
loadDDSTexture: function ( url, mapping, onLoad, onError ) {
......
因为 它太大了无法显示 source diff 。你可以改为 查看blob
/**
* @author alteredq / http://alteredqualia.com/
* @author mrdoob / http://mrdoob.com/
* @author Daosheng Mu / https://github.com/DaoshengMu/
*/
THREE.ImageUtils = {
......@@ -230,6 +231,453 @@ THREE.ImageUtils = {
return texture;
},
// reference from vthibault, https://github.com/vthibault/roBrowser/blob/master/src/Loaders/Targa.js
decodeTGA: function ( arrayBuffer ) {
// TGA Constants
var TGA_TYPE_NO_DATA = 0,
TGA_TYPE_INDEXED = 1,
TGA_TYPE_RGB = 2,
TGA_TYPE_GREY = 3,
TGA_TYPE_RLE_INDEXED = 9,
TGA_TYPE_RLE_RGB = 10,
TGA_TYPE_RLE_GREY = 11,
TGA_ORIGIN_MASK = 0x30,
TGA_ORIGIN_SHIFT = 0x04,
TGA_ORIGIN_BL = 0x00,
TGA_ORIGIN_BR = 0x01,
TGA_ORIGIN_UL = 0x02,
TGA_ORIGIN_UR = 0x03;
if ( arrayBuffer.length < 19 )
console.error( 'ImageUtils::decodeTGA()- Not enough data to contain header.' );
var content = new Uint8Array( arrayBuffer ),
offset = 0,
header = {
id_length: content[ offset++ ],
colormap_type: content[ offset++ ],
image_type: content[offset++],
colormap_index: content[offset++] | content[offset++] << 8,
colormap_length: content[offset++] | content[offset++] << 8,
colormap_size: content[offset++],
origin: [
content[offset++] | content[offset++] << 8,
content[offset++] | content[offset++] << 8
],
width: content[offset++] | content[offset++] << 8,
height: content[offset++] | content[offset++] << 8,
pixel_size: content[offset++],
flags: content[offset++]
};
function tgaCheckHeader( header ) {
switch( header.image_type ) {
// Check indexed type
case TGA_TYPE_INDEXED:
case TGA_TYPE_RLE_INDEXED:
if ( header.colormap_length > 256 || header.colormap_size !== 24 || header.colormap_type !== 1) {
console.error('Targa::tgaCheckHeader() - Invalid type colormap data for indexed type');
}
break;
// Check colormap type
case TGA_TYPE_RGB:
case TGA_TYPE_GREY:
case TGA_TYPE_RLE_RGB:
case TGA_TYPE_RLE_GREY:
if (header.colormap_type) {
console.error('ImageUtils::tgaCheckHeader() - Invalid type colormap data for colormap type');
}
break;
// What the need of a file without data ?
case TGA_TYPE_NO_DATA:
console.error('ImageUtils::tgaCheckHeader() - No data');
// Invalid type ?
default:
console.error('ImageUtils::tgaCheckHeader() - Invalid type " '+ header.image_type + '"');
}
// Check image width and height
if ( header.width <= 0 || header.height <=0 ) {
console.error( 'ImageUtils::tgaCheckHeader() - Invalid image size' );
}
// Check image pixel size
if (header.pixel_size !== 8 &&
header.pixel_size !== 16 &&
header.pixel_size !== 24 &&
header.pixel_size !== 32) {
console.error('ImageUtils::tgaCheckHeader() - Invalid pixel size "' + header.pixel_size + '"');
}
}
// Check tga if it is valid format
tgaCheckHeader( header );
if ( header.id_length + offset > arrayBuffer.length ) {
console.error('ImageUtils::load() - No data');
}
// Skip the needn't data
offset += header.id_length;
// Get targa information about RLE compression and palette
var use_rle = false,
use_pal = false,
use_grey = false;
switch ( header.image_type ) {
case TGA_TYPE_RLE_INDEXED:
use_rle = true;
use_pal = true;
break;
case TGA_TYPE_INDEXED:
use_pal = true;
break;
case TGA_TYPE_RLE_RGB:
use_rle = true;
break;
case TGA_TYPE_RGB:
break;
case TGA_TYPE_RLE_GREY:
use_rle = true;
use_grey = true;
break;
case TGA_TYPE_GREY:
use_grey = true;
break;
}
// Parse tga image buffer
function tgaParse( use_rle, use_pal, header, offset, data ) {
var pixel_data,
pixel_size,
pixel_total,
palettes;
pixel_size = header.pixel_size >> 3;
pixel_total = header.width * header.height * pixel_size;
// Read palettes
if ( use_pal ) {
palettes = data.subarray( offset, offset += header.colormap_length * 3 );
}
// Read RLE
if ( use_rle ) {
pixel_data = new Uint8Array(pixel_total);
var c, count, i;
var shift = 0;
var pixels = new Uint8Array(pixel_size);
while (shift < pixel_total) {
c = data[offset++];
count = (c & 0x7f) + 1;
// RLE pixels.
if (c & 0x80) {
// Bind pixel tmp array
for (i = 0; i < pixel_size; ++i) {
pixels[i] = data[offset++];
}
// Copy pixel array
for (i = 0; i < count; ++i) {
pixel_data.set(pixels, shift + i * pixel_size);
}
shift += pixel_size * count;
}
// Raw pixels.
else {
count *= pixel_size;
for (i = 0; i < count; ++i) {
pixel_data[shift + i] = data[offset++];
}
shift += count;
}
}
}
// RAW Pixels
else {
pixel_data = data.subarray(
offset, offset += (use_pal ? header.width * header.height : pixel_total)
);
}
return {
pixel_data: pixel_data,
palettes: palettes
};
}
function tgaGetImageData8bits(imageData, y_start, y_step, y_end, x_start, x_step, x_end
, image, palettes ) {
var colormap = palettes;
var color, i = 0, x, y;
var width = header.width;
for (y = y_start; y !== y_end; y += y_step) {
for (x = x_start; x !== x_end; x += x_step, i++) {
color = image[i];
imageData[(x + width * y) * 4 + 3] = 255;
imageData[(x + width * y) * 4 + 2] = colormap[(color * 3) + 0];
imageData[(x + width * y) * 4 + 1] = colormap[(color * 3) + 1];
imageData[(x + width * y) * 4 + 0] = colormap[(color * 3) + 2];
}
}
return imageData;
};
function tgaGetImageData16bits(imageData, y_start, y_step, y_end, x_start, x_step, x_end
, image) {
var color, i = 0, x, y;
var width = header.width;
for (y = y_start; y !== y_end; y += y_step) {
for (x = x_start; x !== x_end; x += x_step, i += 2) {
color = image[i + 0] + (image[i + 1] << 8); // Inversed ?
imageData[(x + width * y) * 4 + 0] = (color & 0x7C00) >> 7;
imageData[(x + width * y) * 4 + 1] = (color & 0x03E0) >> 2;
imageData[(x + width * y) * 4 + 2] = (color & 0x001F) >> 3;
imageData[(x + width * y) * 4 + 3] = (color & 0x8000) ? 0 : 255;
}
}
return imageData;
};
function tgaGetImageData24bits(imageData, y_start, y_step, y_end, x_start, x_step, x_end, image) {
var i = 0, x, y;
var width = header.width;
for (y = y_start; y !== y_end; y += y_step) {
for (x = x_start; x !== x_end; x += x_step, i += 3) {
imageData[(x + width * y) * 4 + 3] = 255;
imageData[(x + width * y) * 4 + 2] = image[i + 0];
imageData[(x + width * y) * 4 + 1] = image[i + 1];
imageData[(x + width * y) * 4 + 0] = image[i + 2];
}
}
return imageData;
};
function tgaGetImageData32bits(imageData, y_start, y_step, y_end, x_start, x_step, x_end, image) {
var i = 0, x, y;
var width = header.width;
for (y = y_start; y !== y_end; y += y_step) {
for (x = x_start; x !== x_end; x += x_step, i += 4) {
imageData[(x + width * y) * 4 + 2] = image[i + 0];
imageData[(x + width * y) * 4 + 1] = image[i + 1];
imageData[(x + width * y) * 4 + 0] = image[i + 2];
imageData[(x + width * y) * 4 + 3] = image[i + 3];
}
}
return imageData;
};
function tgaGetImageDataGrey8bits( imageData, y_start, y_step, y_end, x_start, x_step, x_end, image ) {
var color, i = 0, x, y;
var width = header.width;
for (y = y_start; y !== y_end; y += y_step) {
for (x = x_start; x !== x_end; x += x_step, i++) {
color = image[i];
imageData[(x + width * y) * 4 + 0] = color;
imageData[(x + width * y) * 4 + 1] = color;
imageData[(x + width * y) * 4 + 2] = color;
imageData[(x + width * y) * 4 + 3] = 255;
}
}
return imageData;
};
function tgaGetImageDataGrey16bits(imageData, y_start, y_step, y_end, x_start, x_step, x_end, image) {
var i = 0, x, y;
var width = header.width;
for (y = y_start; y !== y_end; y += y_step) {
for (x = x_start; x !== x_end; x += x_step, i += 2) {
imageData[(x + width * y) * 4 + 0] = image[i + 0];
imageData[(x + width * y) * 4 + 1] = image[i + 0];
imageData[(x + width * y) * 4 + 2] = image[i + 0];
imageData[(x + width * y) * 4 + 3] = image[i + 1];
}
}
return imageData;
};
function getTgaRGBA( width, height, image, palette ) {
var x_start,
y_start,
x_step,
y_step,
x_end,
y_end,
data = new Uint8Array(width * height * 4);
switch( (header.flags & TGA_ORIGIN_MASK) >> TGA_ORIGIN_SHIFT ) {
default:
case TGA_ORIGIN_UL:
x_start = 0;
x_step = 1;
x_end = width;
y_start = 0;
y_step = 1;
y_end = height;
break;
case TGA_ORIGIN_BL:
x_start = 0;
x_step = 1;
x_end = width;
y_start = height - 1;
y_step = -1;
y_end = -1;
break;
case TGA_ORIGIN_UR:
x_start = width - 1;
x_step = -1;
x_end = -1;
y_start = 0;
y_step = 1;
y_end = height;
break;
case TGA_ORIGIN_BR:
x_start = width - 1;
x_step = -1;
x_end = -1;
y_start = height - 1;
y_step = -1;
y_end = -1;
break;
}
if ( use_grey ) {
switch( header.pixel_size )
{
case 8:
tgaGetImageDataGrey8bits( data, y_start, y_step, y_end, x_start, x_step, x_end, image );
break;
case 16:
tgaGetImageDataGrey16bits( data, y_start, y_step, y_end, x_start, x_step, x_end, image );
break;
default:
console.error( 'ImageUtils::getTgaRGBA() - not support this format' );
break;
}
}
else {
switch( header.pixel_size )
{
case 8:
tgaGetImageData8bits( data, y_start, y_step, y_end, x_start, x_step, x_end, image, palette );
break;
case 16:
tgaGetImageData16bits( data, y_start, y_step, y_end, x_start, x_step, x_end, image );
break;
case 24:
tgaGetImageData24bits( data, y_start, y_step, y_end, x_start, x_step, x_end, image );
break;
case 32:
tgaGetImageData32bits( data, y_start, y_step, y_end, x_start, x_step, x_end, image );
break;
default:
console.error( 'ImageUtils::getTgaRGBA() - not support this format' );
break;
}
}
// Load image data according to specific method
// var func = 'tgaGetImageData' + (use_grey ? 'Grey' : '') + (header.pixel_size) + 'bits';
//func(data, y_start, y_step, y_end, x_start, x_step, x_end, width, image, palette );
return data;
}
var result = tgaParse( use_rle, use_pal, header, offset, content );
var rgbaData = getTgaRGBA( header.width, header.height, result.pixel_data, result.palettes );
return {
width: header.width,
height: header.height,
data: rgbaData
};
},
loadTGATexture: function ( url, mapping, onLoad, onError ) {
var texture = new THREE.TGATexture();
{
var request = new XMLHttpRequest();
request.open( 'GET', url, true );
request.responseType = "arraybuffer";
request.onload = function() {
if ( this.status === 200 ) {
var imageData = THREE.ImageUtils.decodeTGA( this.response );
if ( imageData ) {
texture.image = imageData;
texture.sourceFile = url;
texture.needsUpdate = true;
return texture;
}
}
};
request.addEventListener( 'load', function ( event ) {
if ( onLoad ) onLoad( texture );
}, false );
request.addEventListener( 'error', function ( event ) {
if ( onError ) onError( event );
}, false );
request.send(null);
}
texture.sourceFile = url;
return texture;
},
loadDDSTexture: function ( url, mapping, onLoad, onError ) {
......
......@@ -5546,7 +5546,11 @@ THREE.WebGLRenderer = function ( parameters ) {
}
} else { // regular Texture (image, video, canvas)
} else if ( texture instanceof THREE.TGATexture ) {
var tgaImg = texture.image;
_gl.texImage2D( _gl.TEXTURE_2D, 0, glFormat, tgaImg.width, tgaImg.height, 0, glFormat, glType, tgaImg.data );
} else { // regular Texture (image, video, canvas)
// use manually created mipmaps if available
// if there are no manual mipmaps
......
/**
* @author Daosheng Mu / https://github.com/DaoshengMu/
*/
THREE.TGATexture = function ( format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy ) {
THREE.Texture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );
};
THREE.TGATexture.prototype = Object.create( THREE.Texture.prototype );
THREE.TGATexture.prototype.clone = function() {
var texture = new THREE.TGATexture();
THREE.Texture.prototype.clone.all( this. texture );
return texture;
};
\ No newline at end of file
......@@ -64,6 +64,7 @@
"src/materials/SpriteCanvasMaterial.js",
"src/textures/Texture.js",
"src/textures/CompressedTexture.js",
"src/textures/TGATexture.js",
"src/textures/DataTexture.js",
"src/objects/PointCloud.js",
"src/objects/Line.js",
......
......@@ -55,6 +55,7 @@
"src/materials/SpriteMaterial.js",
"src/textures/Texture.js",
"src/textures/CompressedTexture.js",
"src/textures/TGATexture.js",
"src/textures/DataTexture.js",
"src/objects/PointCloud.js",
"src/objects/Line.js",
......
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