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TGA support based on SaracenOne's work.

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This commit is contained in:
Juan Linietsky 2017-06-07 19:46:36 -03:00
parent 5bf810b5db
commit 871ceeb0fe
7 changed files with 491 additions and 2 deletions
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4
modules/hdr/image_loader_hdr.h
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@ -27,8 +27,8 @@
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef IMAGE_LOADER_TINYEXR_H
#define IMAGE_LOADER_TINYEXR_H
#ifndef IMAGE_LOADER_HDR_H
#define IMAGE_LOADER_HDR_H
#include "io/image_loader.h"

9
modules/tga/SCsub Normal file
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#!/usr/bin/env python
Import('env')
Import('env_modules')
env_tga = env_modules.Clone()
# Godot's own source files
env_tga.add_source_files(env.modules_sources, "*.cpp")

7
modules/tga/config.py Normal file
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def can_build(platform):
return True
def configure(env):
pass

314
modules/tga/image_loader_tga.cpp Normal file
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/*************************************************************************/
/* image_loader_jpegd.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "image_loader_tga.h"
#include "os/os.h"
#include "print_string.h"
Error ImageLoaderTGA::decode_tga_rle(const uint8_t *p_compressed_buffer, size_t p_pixel_size, uint8_t *p_uncompressed_buffer, size_t p_output_size) {
Error error;
PoolVector<uint8_t> pixels;
error = pixels.resize(p_pixel_size);
if (error != OK)
return error;
PoolVector<uint8_t>::Write pixels_w = pixels.write();
size_t compressed_pos = 0;
size_t output_pos = 0;
size_t c = 0;
size_t count = 0;
while (output_pos < p_output_size) {
c = p_compressed_buffer[compressed_pos];
compressed_pos += 1;
count = (c & 0x7f) + 1;
if (c & 0x80) {
for (int i = 0; i < p_pixel_size; i++) {
pixels_w.ptr()[i] = p_compressed_buffer[compressed_pos];
compressed_pos += 1;
}
for (int i = 0; i < count; i++) {
for (int j = 0; j < p_pixel_size; j++) {
p_uncompressed_buffer[output_pos + j] = pixels_w.ptr()[j];
}
output_pos += p_pixel_size;
}
} else {
count *= p_pixel_size;
for (int i = 0; i < count; i++) {
p_uncompressed_buffer[output_pos] = p_compressed_buffer[compressed_pos];
compressed_pos += 1;
output_pos += 1;
}
}
}
return OK;
}
Error ImageLoaderTGA::convert_to_image(Ref<Image> p_image, const uint8_t *p_buffer, const tga_header_s &p_header, const uint8_t *p_palette, const bool p_is_monochrome) {
#define TGA_PUT_PIXEL(r, g, b, a) \
int image_data_ofs = ((y * width) + x); \
image_data_w[image_data_ofs * 4 + 0] = r; \
image_data_w[image_data_ofs * 4 + 1] = g; \
image_data_w[image_data_ofs * 4 + 2] = b; \
image_data_w[image_data_ofs * 4 + 3] = a;
uint32_t width = p_header.image_width;
uint32_t height = p_header.image_height;
tga_origin_e origin = static_cast<tga_origin_e>((p_header.image_descriptor & TGA_ORIGIN_MASK) >> TGA_ORIGIN_SHIFT);
uint32_t x_start;
int32_t x_step;
uint32_t x_end;
uint32_t y_start;
int32_t y_step;
uint32_t y_end;
if (origin == TGA_ORIGIN_TOP_LEFT || origin == TGA_ORIGIN_TOP_RIGHT) {
y_start = 0;
y_step = 1;
y_end = height;
} else {
y_start = height - 1;
y_step = -1;
y_end = -1;
}
if (origin == TGA_ORIGIN_TOP_LEFT || origin == TGA_ORIGIN_BOTTOM_LEFT) {
x_start = 0;
x_step = 1;
x_end = width;
} else {
x_start = width - 1;
x_step = -1;
x_end = -1;
}
PoolVector<uint8_t> image_data;
image_data.resize(width * height * sizeof(uint32_t));
PoolVector<uint8_t>::Write image_data_w = image_data.write();
size_t i = 0;
uint32_t x = x_start;
uint32_t y = y_start;
if (p_header.pixel_depth == 8) {
if (p_is_monochrome) {
while (y != y_end) {
while (x != x_end) {
uint8_t shade = p_buffer[i];
TGA_PUT_PIXEL(shade, shade, shade, 0xff)
x += x_step;
i += 1;
}
x = x_start;
y += y_step;
}
} else {
while (y != y_end) {
while (x != x_end) {
uint8_t index = p_buffer[i];
uint8_t r = 0x00;
uint8_t g = 0x00;
uint8_t b = 0x00;
uint8_t a = 0xff;
if (p_header.color_map_depth == 24) {
r = (p_palette[(index * 3) + 0]);
g = (p_palette[(index * 3) + 1]);
b = (p_palette[(index * 3) + 2]);
} else {
return ERR_INVALID_DATA;
}
TGA_PUT_PIXEL(r, g, b, a)
x += x_step;
i += 1;
}
x = x_start;
y += y_step;
}
}
} else if (p_header.pixel_depth == 24) {
while (y != y_end) {
while (x != x_end) {
uint8_t r = p_buffer[i + 2];
uint8_t g = p_buffer[i + 1];
uint8_t b = p_buffer[i + 0];
TGA_PUT_PIXEL(r, g, b, 0xff)
x += x_step;
i += 3;
}
x = x_start;
y += y_step;
}
} else if (p_header.pixel_depth == 32) {
while (y != y_end) {
while (x != x_end) {
uint8_t a = p_buffer[i + 3];
uint8_t r = p_buffer[i + 2];
uint8_t g = p_buffer[i + 1];
uint8_t b = p_buffer[i + 0];
TGA_PUT_PIXEL(r, g, b, a)
x += x_step;
i += 4;
}
x = x_start;
y += y_step;
}
}
image_data_w = PoolVector<uint8_t>::Write();
p_image->create(width, height, 0, Image::FORMAT_RGBA8, image_data);
return OK;
}
Error ImageLoaderTGA::load_image(Ref<Image> p_image, FileAccess *f, bool p_force_linear) {
PoolVector<uint8_t> src_image;
int src_image_len = f->get_len();
ERR_FAIL_COND_V(src_image_len == 0, ERR_FILE_CORRUPT);
ERR_FAIL_COND_V(src_image_len < sizeof(tga_header_s), ERR_FILE_CORRUPT);
src_image.resize(src_image_len);
Error err = OK;
tga_header_s tga_header;
tga_header.id_length = f->get_8();
tga_header.color_map_type = f->get_8();
tga_header.image_type = static_cast<tga_type_e>(f->get_8());
tga_header.first_color_entry = f->get_16();
tga_header.color_map_length = f->get_16();
tga_header.color_map_depth = f->get_8();
tga_header.x_origin = f->get_16();
tga_header.y_origin = f->get_16();
tga_header.image_width = f->get_16();
tga_header.image_height = f->get_16();
tga_header.pixel_depth = f->get_8();
tga_header.image_descriptor = f->get_8();
bool is_encoded = (tga_header.image_type == TGA_TYPE_RLE_INDEXED || tga_header.image_type == TGA_TYPE_RLE_RGB || tga_header.image_type == TGA_TYPE_RLE_MONOCHROME);
bool has_color_map = (tga_header.image_type == TGA_TYPE_RLE_INDEXED || tga_header.image_type == TGA_TYPE_INDEXED);
bool is_monochrome = (tga_header.image_type == TGA_TYPE_RLE_MONOCHROME || tga_header.image_type == TGA_TYPE_MONOCHROME);
if (tga_header.image_type == TGA_TYPE_NO_DATA)
err = FAILED;
if (has_color_map) {
if (tga_header.color_map_length > 256 || (tga_header.color_map_depth != 24) || tga_header.color_map_type != 1) {
err = FAILED;
}
} else {
if (tga_header.color_map_type) {
err = FAILED;
}
}
if (tga_header.image_width <= 0 || tga_header.image_height <= 0)
err = FAILED;
if (tga_header.pixel_depth != 8 && tga_header.pixel_depth != 24 && tga_header.pixel_depth != 32)
err = FAILED;
if (err == OK) {
f->seek(f->get_pos() + tga_header.id_length);
PoolVector<uint8_t> palette;
if (has_color_map) {
size_t color_map_size = tga_header.color_map_length * (tga_header.color_map_depth >> 3);
err = palette.resize(color_map_size);
if (err == OK) {
PoolVector<uint8_t>::Write palette_w = palette.write();
f->get_buffer(&palette_w[0], color_map_size);
} else {
return OK;
}
}
PoolVector<uint8_t>::Write src_image_w = src_image.write();
f->get_buffer(&src_image_w[0], src_image_len - f->get_pos());
PoolVector<uint8_t>::Read src_image_r = src_image.read();
const size_t pixel_size = tga_header.pixel_depth >> 3;
const size_t buffer_size = (tga_header.image_width * tga_header.image_height) * pixel_size;
PoolVector<uint8_t> uncompressed_buffer;
uncompressed_buffer.resize(buffer_size);
PoolVector<uint8_t>::Write uncompressed_buffer_w = uncompressed_buffer.write();
PoolVector<uint8_t>::Read uncompressed_buffer_r;
const uint8_t *buffer = NULL;
if (is_encoded) {
err = decode_tga_rle(src_image_r.ptr(), pixel_size, uncompressed_buffer_w.ptr(), buffer_size);
if (err == OK) {
uncompressed_buffer_r = uncompressed_buffer.read();
buffer = uncompressed_buffer_r.ptr();
}
} else {
buffer = src_image_r.ptr();
};
if (err == OK) {
PoolVector<uint8_t>::Read palette_r = palette.read();
err = convert_to_image(p_image, buffer, tga_header, palette_r.ptr(), is_monochrome);
}
}
f->close();
return err;
}
void ImageLoaderTGA::get_recognized_extensions(List<String> *p_extensions) const {
p_extensions->push_back("tga");
}
ImageLoaderTGA::ImageLoaderTGA() {
}

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modules/tga/image_loader_tga.h Normal file
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/*************************************************************************/
/* image_loader_jpegd.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef IMAGE_LOADER_TGA_H
#define IMAGE_LOADER_TGA_H
#include "io/image_loader.h"
/**
@author SaracenOne
*/
class ImageLoaderTGA : public ImageFormatLoader {
enum tga_type_e {
TGA_TYPE_NO_DATA = 0,
TGA_TYPE_INDEXED = 1,
TGA_TYPE_RGB = 2,
TGA_TYPE_MONOCHROME = 3,
TGA_TYPE_RLE_INDEXED = 9,
TGA_TYPE_RLE_RGB = 10,
TGA_TYPE_RLE_MONOCHROME = 11
};
enum tga_origin_e {
TGA_ORIGIN_BOTTOM_LEFT = 0x00,
TGA_ORIGIN_BOTTOM_RIGHT = 0x01,
TGA_ORIGIN_TOP_LEFT = 0x02,
TGA_ORIGIN_TOP_RIGHT = 0x03,
TGA_ORIGIN_SHIFT = 0x04,
TGA_ORIGIN_MASK = 0x30
};
struct tga_header_s {
uint8_t id_length;
uint8_t color_map_type;
tga_type_e image_type;
uint16_t first_color_entry;
uint16_t color_map_length;
uint8_t color_map_depth;
uint16_t x_origin;
uint16_t y_origin;
uint16_t image_width;
uint16_t image_height;
uint8_t pixel_depth;
uint8_t image_descriptor;
};
static Error decode_tga_rle(const uint8_t *p_compressed_buffer, size_t p_pixel_size, uint8_t *p_uncompressed_buffer, size_t p_output_size);
static Error convert_to_image(Ref<Image> p_image, const uint8_t *p_buffer, const tga_header_s &p_header, const uint8_t *p_palette, const bool p_is_monochrome);
public:
virtual Error load_image(Ref<Image> p_image, FileAccess *f, bool p_force_linear);
virtual void get_recognized_extensions(List<String> *p_extensions) const;
ImageLoaderTGA();
};
#endif

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modules/tga/register_types.cpp Normal file
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/*************************************************************************/
/* register_types.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "register_types.h"
#include "image_loader_tga.h"
static ImageLoaderTGA *image_loader_tga = NULL;
void register_tga_types() {
image_loader_tga = memnew(ImageLoaderTGA);
ImageLoader::add_image_format_loader(image_loader_tga);
}
void unregister_tga_types() {
memdelete(image_loader_tga);
}

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modules/tga/register_types.h Normal file
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/*************************************************************************/
/* register_types.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
void register_tga_types();
void unregister_tga_types();