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LibGfx: Convert all the dbg() in BMPLoader to dbgln()

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Also get rid of the awkward IF_BMP_DEBUG macro while we're here.
This commit is contained in:
Andreas Kling 2021-01-17 15:42:10 +01:00
parent 1730c23775
commit 7a0bc2fdb8
Notes: sideshowbarker 2024-07-18 23:08:30 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/7a0bc2fdb8b
2 changed files with 87 additions and 80 deletions
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6
AK/Debug.h
View File

@ -63,3 +63,9 @@ constexpr bool debug_signal = true;
#else
constexpr bool debug_signal = false;
#endif
#ifdef BMP_DEBUG
constexpr bool debug_bmp = true;
#else
constexpr bool debug_bmp = false;
#endif

161
Userland/Libraries/LibGfx/BMPLoader.cpp
View File

@ -24,19 +24,12 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <AK/Debug.h>
#include <AK/Function.h>
#include <AK/LexicalPath.h>
#include <AK/MappedFile.h>
#include <LibGfx/BMPLoader.h>
#ifndef BMP_DEBUG
# define BMP_DEBUG 0
#endif
#define IF_BMP_DEBUG(x) \
if (BMP_DEBUG) \
x
namespace Gfx {
const u8 bmp_header_size = 14;
@ -96,6 +89,22 @@ struct Endpoint {
T z;
};
}
namespace AK {
template<typename T>
struct Formatter<Gfx::Endpoint<T>> : Formatter<StringView> {
void format(FormatBuilder& builder, const Gfx::Endpoint<T>& value)
{
Formatter<StringView>::format(builder, String::formatted("({}, {}, {})", value.x, value.y, value.z));
}
};
}
namespace Gfx {
struct DIBV4 {
u32 color_space { 0 };
Endpoint<i32> red_endpoint { 0, 0, 0 };
@ -196,16 +205,6 @@ RefPtr<Gfx::Bitmap> load_bmp_from_memory(const u8* data, size_t length)
return bitmap;
}
static const LogStream& operator<<(const LogStream& out, Endpoint<i32> ep)
{
return out << "(" << ep.x << ", " << ep.y << ", " << ep.z << ")";
}
static const LogStream& operator<<(const LogStream& out, Endpoint<u32> ep)
{
return out << "(" << ep.x << ", " << ep.y << ", " << ep.z << ")";
}
class Streamer {
public:
Streamer(const u8* data, size_t size)
@ -318,7 +317,10 @@ static u8 get_scaled_color(u32 data, u8 mask_size, i8 mask_shift)
// to scale the values in order to reach the proper value of 255.
static u32 int_to_scaled_rgb(BMPLoadingContext& context, u32 data)
{
IF_BMP_DEBUG(dbg() << "DIB info sizes before access: #masks=" << context.dib.info.masks.size() << ", #mask_sizes=" << context.dib.info.mask_sizes.size() << ", #mask_shifts=" << context.dib.info.mask_shifts.size());
dbgln<debug_bmp>("DIB info sizes before access: #masks={}, #mask_sizes={}, #mask_shifts={}",
context.dib.info.masks.size(),
context.dib.info.mask_sizes.size(),
context.dib.info.mask_shifts.size());
u8 r = get_scaled_color(data & context.dib.info.masks[0], context.dib.info.mask_sizes[0], context.dib.info.mask_shifts[0]);
u8 g = get_scaled_color(data & context.dib.info.masks[1], context.dib.info.mask_sizes[1], context.dib.info.mask_shifts[1]);
@ -463,7 +465,7 @@ static bool decode_bmp_header(BMPLoadingContext& context)
return true;
if (!context.file_bytes || context.file_size < bmp_header_size) {
IF_BMP_DEBUG(dbg() << "Missing BMP header");
dbgln<debug_bmp>("Missing BMP header");
context.state = BMPLoadingContext::State::Error;
return false;
}
@ -472,7 +474,7 @@ static bool decode_bmp_header(BMPLoadingContext& context)
u16 header = streamer.read_u16();
if (header != 0x4d42) {
IF_BMP_DEBUG(dbgprintf("BMP has invalid magic header number: %04x\n", header));
dbgln<debug_bmp>("BMP has invalid magic header number: {:04x}", header);
context.state = BMPLoadingContext::State::Error;
return false;
}
@ -488,11 +490,11 @@ static bool decode_bmp_header(BMPLoadingContext& context)
streamer.drop_bytes(4);
context.data_offset = streamer.read_u32();
IF_BMP_DEBUG(dbg() << "BMP file size: " << context.file_size);
IF_BMP_DEBUG(dbg() << "BMP data offset: " << context.data_offset);
dbgln<debug_bmp>("BMP file size: {}", context.file_size);
dbgln<debug_bmp>("BMP data offset: {}", context.data_offset);
if (context.data_offset >= context.file_size) {
IF_BMP_DEBUG(dbg() << "BMP data offset is beyond file end?!");
dbgln<debug_bmp>("BMP data offset is beyond file end?!");
return false;
}
@ -514,7 +516,7 @@ static bool decode_bmp_core_dib(BMPLoadingContext& context, Streamer& streamer)
}
if (core.width < 0) {
IF_BMP_DEBUG(dbg() << "BMP has a negative width: " << core.width);
dbgln("BMP has a negative width: {}", core.width);
return false;
}
@ -525,7 +527,7 @@ static bool decode_bmp_core_dib(BMPLoadingContext& context, Streamer& streamer)
auto color_planes = streamer.read_u16();
if (color_planes != 1) {
IF_BMP_DEBUG(dbg() << "BMP has an invalid number of color planes: " << color_planes);
dbgln("BMP has an invalid number of color planes: {}", color_planes);
return false;
}
@ -540,14 +542,14 @@ static bool decode_bmp_core_dib(BMPLoadingContext& context, Streamer& streamer)
case 32:
break;
default:
IF_BMP_DEBUG(dbg() << "BMP has an invalid bpp: " << core.bpp);
dbgln("BMP has an invalid bpp: {}", core.bpp);
context.state = BMPLoadingContext::State::Error;
return false;
}
IF_BMP_DEBUG(dbg() << "BMP width: " << core.width);
IF_BMP_DEBUG(dbg() << "BMP height: " << core.height);
IF_BMP_DEBUG(dbg() << "BMP bits_per_pixel: " << core.bpp);
dbgln<debug_bmp>("BMP width: {}", core.width);
dbgln<debug_bmp>("BMP height: {}", core.height);
dbgln<debug_bmp>("BMP bpp: {}", core.bpp);
return true;
}
@ -567,13 +569,13 @@ static bool decode_bmp_osv2_dib(BMPLoadingContext& context, Streamer& streamer,
core.height = streamer.read_u32();
if (core.width < 0) {
IF_BMP_DEBUG(dbg() << "BMP has a negative width: " << core.width);
dbgln("BMP has a negative width: {}", core.width);
return false;
}
auto color_planes = streamer.read_u16();
if (color_planes != 1) {
IF_BMP_DEBUG(dbg() << "BMP has an invalid number of color planes: " << color_planes);
dbgln("BMP has an invalid number of color planes: {}", color_planes);
return false;
}
@ -587,14 +589,14 @@ static bool decode_bmp_osv2_dib(BMPLoadingContext& context, Streamer& streamer,
break;
default:
// OS/2 didn't expect 16- or 32-bpp to be popular.
IF_BMP_DEBUG(dbg() << "BMP has an invalid bpp: " << core.bpp);
dbgln("BMP has an invalid bpp: {}", core.bpp);
context.state = BMPLoadingContext::State::Error;
return false;
}
IF_BMP_DEBUG(dbg() << "BMP width: " << core.width);
IF_BMP_DEBUG(dbg() << "BMP height: " << core.height);
IF_BMP_DEBUG(dbg() << "BMP bpp: " << core.bpp);
dbgln<debug_bmp>("BMP width: {}", core.width);
dbgln<debug_bmp>("BMP height: {}", core.height);
dbgln<debug_bmp>("BMP bpp: {}", core.bpp);
if (short_variant)
return true;
@ -610,12 +612,12 @@ static bool decode_bmp_osv2_dib(BMPLoadingContext& context, Streamer& streamer,
info.number_of_important_palette_colors = streamer.read_u32();
if (!is_supported_compression_format(context, info.compression)) {
IF_BMP_DEBUG(dbg() << "BMP has unsupported compression value: " << info.compression);
dbgln("BMP has unsupported compression value: {}", info.compression);
return false;
}
if (info.number_of_palette_colors > color_palette_limit || info.number_of_important_palette_colors > color_palette_limit) {
IF_BMP_DEBUG(dbg() << "BMP header indicates too many palette colors: " << info.number_of_palette_colors);
dbgln("BMP header indicates too many palette colors: {}", info.number_of_palette_colors);
return false;
}
@ -630,12 +632,12 @@ static bool decode_bmp_osv2_dib(BMPLoadingContext& context, Streamer& streamer,
// ColorEncoding (4) + Identifier (4)
streamer.drop_bytes(8);
IF_BMP_DEBUG(dbg() << "BMP compression: " << info.compression);
IF_BMP_DEBUG(dbg() << "BMP image size: " << info.image_size);
IF_BMP_DEBUG(dbg() << "BMP horizontal res: " << info.horizontal_resolution);
IF_BMP_DEBUG(dbg() << "BMP vertical res: " << info.vertical_resolution);
IF_BMP_DEBUG(dbg() << "BMP colors: " << info.number_of_palette_colors);
IF_BMP_DEBUG(dbg() << "BMP important colors: " << info.number_of_important_palette_colors);
dbgln<debug_bmp>("BMP compression: {}", info.compression);
dbgln<debug_bmp>("BMP image size: {}", info.image_size);
dbgln<debug_bmp>("BMP horizontal res: {}", info.horizontal_resolution);
dbgln<debug_bmp>("BMP vertical res: {}", info.vertical_resolution);
dbgln<debug_bmp>("BMP colors: {}", info.number_of_palette_colors);
dbgln<debug_bmp>("BMP important colors: {}", info.number_of_important_palette_colors);
return true;
}
@ -650,7 +652,7 @@ static bool decode_bmp_info_dib(BMPLoadingContext& context, Streamer& streamer)
auto compression = streamer.read_u32();
info.compression = compression;
if (!is_supported_compression_format(context, compression)) {
IF_BMP_DEBUG(dbg() << "BMP has unsupported compression value: " << compression);
dbgln("BMP has unsupported compression value: {}", compression);
return false;
}
@ -661,19 +663,19 @@ static bool decode_bmp_info_dib(BMPLoadingContext& context, Streamer& streamer)
info.number_of_important_palette_colors = streamer.read_u32();
if (info.number_of_palette_colors > color_palette_limit || info.number_of_important_palette_colors > color_palette_limit) {
IF_BMP_DEBUG(dbg() << "BMP header indicates too many palette colors: " << info.number_of_palette_colors);
dbgln("BMP header indicates too many palette colors: {}", info.number_of_palette_colors);
return false;
}
if (info.number_of_important_palette_colors == 0)
info.number_of_important_palette_colors = info.number_of_palette_colors;
IF_BMP_DEBUG(dbg() << "BMP compression: " << info.compression);
IF_BMP_DEBUG(dbg() << "BMP image size: " << info.image_size);
IF_BMP_DEBUG(dbg() << "BMP horizontal resolution: " << info.horizontal_resolution);
IF_BMP_DEBUG(dbg() << "BMP vertical resolution: " << info.vertical_resolution);
IF_BMP_DEBUG(dbg() << "BMP palette colors: " << info.number_of_palette_colors);
IF_BMP_DEBUG(dbg() << "BMP important palette colors: " << info.number_of_important_palette_colors);
dbgln<debug_bmp>("BMP compression: {}", info.compression);
dbgln<debug_bmp>("BMP image size: {}", info.image_size);
dbgln<debug_bmp>("BMP horizontal resolution: {}", info.horizontal_resolution);
dbgln<debug_bmp>("BMP vertical resolution: {}", info.vertical_resolution);
dbgln<debug_bmp>("BMP palette colors: {}", info.number_of_palette_colors);
dbgln<debug_bmp>("BMP important palette colors: {}", info.number_of_important_palette_colors);
return true;
}
@ -687,9 +689,9 @@ static bool decode_bmp_v2_dib(BMPLoadingContext& context, Streamer& streamer)
context.dib.info.masks.append(streamer.read_u32());
context.dib.info.masks.append(streamer.read_u32());
IF_BMP_DEBUG(dbgprintf("BMP red mask: %08x\n", context.dib.info.masks[0]));
IF_BMP_DEBUG(dbgprintf("BMP green mask: %08x\n", context.dib.info.masks[1]));
IF_BMP_DEBUG(dbgprintf("BMP blue mask: %08x\n", context.dib.info.masks[2]));
dbgln<debug_bmp>("BMP red mask: {:08x}", context.dib.info.masks[0]);
dbgln<debug_bmp>("BMP green mask: {:08x}", context.dib.info.masks[1]);
dbgln<debug_bmp>("BMP blue mask: {:08x}", context.dib.info.masks[2]);
return true;
}
@ -705,12 +707,12 @@ static bool decode_bmp_v3_dib(BMPLoadingContext& context, Streamer& streamer)
// suite results.
if (context.dib.info.compression == Compression::ALPHABITFIELDS) {
context.dib.info.masks.append(streamer.read_u32());
IF_BMP_DEBUG(dbgprintf("BMP alpha mask: %08x\n", context.dib.info.masks[3]));
dbgln<debug_bmp>("BMP alpha mask: {:08x}", context.dib.info.masks[3]);
} else if (context.dib_size() >= 56 && context.dib.core.bpp >= 16) {
auto mask = streamer.read_u32();
if ((context.dib.core.bpp == 32 && mask != 0) || context.dib.core.bpp == 16) {
context.dib.info.masks.append(mask);
IF_BMP_DEBUG(dbgprintf("BMP alpha mask: %08x\n", mask));
dbgln<debug_bmp>("BMP alpha mask: {:08x}", mask);
}
} else {
streamer.drop_bytes(4);
@ -731,11 +733,11 @@ static bool decode_bmp_v4_dib(BMPLoadingContext& context, Streamer& streamer)
v4.blue_endpoint = { streamer.read_i32(), streamer.read_i32(), streamer.read_i32() };
v4.gamma_endpoint = { streamer.read_u32(), streamer.read_u32(), streamer.read_u32() };
IF_BMP_DEBUG(dbg() << "BMP color space: " << v4.color_space);
IF_BMP_DEBUG(dbg() << "BMP red endpoint: " << v4.red_endpoint);
IF_BMP_DEBUG(dbg() << "BMP green endpoint: " << v4.green_endpoint);
IF_BMP_DEBUG(dbg() << "BMP blue endpoint: " << v4.blue_endpoint);
IF_BMP_DEBUG(dbg() << "BMP gamma endpoint: " << v4.gamma_endpoint);
dbgln<debug_bmp>("BMP color space: {}", v4.color_space);
dbgln<debug_bmp>("BMP red endpoint: {}", v4.red_endpoint);
dbgln<debug_bmp>("BMP green endpoint: {}", v4.green_endpoint);
dbgln<debug_bmp>("BMP blue endpoint: {}", v4.blue_endpoint);
dbgln<debug_bmp>("BMP gamma endpoint: {}", v4.gamma_endpoint);
return true;
}
@ -750,9 +752,9 @@ static bool decode_bmp_v5_dib(BMPLoadingContext& context, Streamer& streamer)
v5.profile_data = streamer.read_u32();
v5.profile_size = streamer.read_u32();
IF_BMP_DEBUG(dbg() << "BMP intent: " << v5.intent);
IF_BMP_DEBUG(dbg() << "BMP profile data: " << v5.profile_data);
IF_BMP_DEBUG(dbg() << "BMP profile size: " << v5.profile_size);
dbgln<debug_bmp>("BMP intent: {}", v5.intent);
dbgln<debug_bmp>("BMP profile data: {}", v5.profile_data);
dbgln<debug_bmp>("BMP profile size: {}", v5.profile_size);
return true;
}
@ -777,13 +779,13 @@ static bool decode_bmp_dib(BMPLoadingContext& context)
if (context.file_size < bmp_header_size + dib_size)
return false;
if (context.data_offset < bmp_header_size + dib_size) {
IF_BMP_DEBUG(dbg() << "Shenanigans! BMP pixel data and header usually don't overlap.");
dbgln("Shenanigans! BMP pixel data and header usually don't overlap.");
return false;
}
streamer = Streamer(context.file_bytes + bmp_header_size + 4, context.data_offset - bmp_header_size - 4);
IF_BMP_DEBUG(dbg() << "BMP dib size: " << dib_size);
dbgln<debug_bmp>("BMP dib size: {}", dib_size);
bool error = false;
@ -820,7 +822,7 @@ static bool decode_bmp_dib(BMPLoadingContext& context)
if (!decode_bmp_v5_dib(context, streamer))
error = true;
} else {
IF_BMP_DEBUG(dbg() << "Unsupported BMP DIB size: " << dib_size);
dbgln("Unsupported BMP DIB size: {}", dib_size);
error = true;
}
@ -844,7 +846,7 @@ static bool decode_bmp_dib(BMPLoadingContext& context)
error = true;
if (error) {
IF_BMP_DEBUG(dbg() << "BMP has an invalid DIB");
dbgln("BMP has an invalid DIB");
context.state = BMPLoadingContext::State::Error;
return false;
}
@ -880,7 +882,7 @@ static bool decode_bmp_color_table(BMPLoadingContext& context)
// table must be at least enough for the maximum amount of colors
if (size_of_color_table < 3 * max_colors) {
// This is against the spec, but most viewers process it anyways
IF_BMP_DEBUG(dbg() << "BMP with CORE header does not have enough colors. Has: " << size_of_color_table << ", expected: " << (3 * max_colors));
dbgln("BMP with CORE header does not have enough colors. Has: {}, expected: {}", size_of_color_table, (3 * max_colors));
}
}
@ -913,7 +915,7 @@ static bool uncompress_bmp_rle_data(BMPLoadingContext& context, ByteBuffer& buff
{
// RLE-compressed images cannot be stored top-down
if (context.dib.core.height < 0) {
IF_BMP_DEBUG(dbg() << "BMP is top-down and RLE compressed");
dbgln("BMP is top-down and RLE compressed");
context.state = BMPLoadingContext::State::Error;
return false;
}
@ -939,7 +941,7 @@ static bool uncompress_bmp_rle_data(BMPLoadingContext& context, ByteBuffer& buff
buffer_size = total_rows * round_up_to_power_of_two(total_columns, 4);
}
if (buffer_size > 300 * MiB) {
IF_BMP_DEBUG(dbg() << "Suspiciously large amount of RLE data");
dbgln("Suspiciously large amount of RLE data");
return false;
}
buffer = ByteBuffer::create_zeroed(buffer_size);
@ -966,7 +968,7 @@ static bool uncompress_bmp_rle_data(BMPLoadingContext& context, ByteBuffer& buff
}
auto index = get_buffer_index();
if (index >= buffer.size()) {
IF_BMP_DEBUG(dbg() << "BMP has badly-formatted RLE data");
dbgln("BMP has badly-formatted RLE data");
return false;
}
buffer[index] = color;
@ -981,7 +983,7 @@ static bool uncompress_bmp_rle_data(BMPLoadingContext& context, ByteBuffer& buff
}
auto index = get_buffer_index();
if (index + 3 >= buffer.size()) {
IF_BMP_DEBUG(dbg() << "BMP has badly-formatted RLE data");
dbgln("BMP has badly-formatted RLE data");
return false;
}
((u32&)buffer[index]) = color;
@ -997,7 +999,7 @@ static bool uncompress_bmp_rle_data(BMPLoadingContext& context, ByteBuffer& buff
u32 index = get_buffer_index();
if (index >= buffer.size() || (rle4_set_second_nibble && index + 1 >= buffer.size())) {
IF_BMP_DEBUG(dbg() << "BMP has badly-formatted RLE data");
dbgln("BMP has badly-formatted RLE data");
return false;
}
@ -1024,7 +1026,7 @@ static bool uncompress_bmp_rle_data(BMPLoadingContext& context, ByteBuffer& buff
if (compression == Compression::RLE24) {
read_byte = [&]() -> Optional<u32> {
if (!streamer.has_u24()) {
IF_BMP_DEBUG(dbg() << "BMP has badly-formatted RLE data");
dbgln("BMP has badly-formatted RLE data");
return {};
}
return streamer.read_u24();
@ -1032,7 +1034,7 @@ static bool uncompress_bmp_rle_data(BMPLoadingContext& context, ByteBuffer& buff
} else {
read_byte = [&]() -> Optional<u32> {
if (!streamer.has_u8()) {
IF_BMP_DEBUG(dbg() << "BMP has badly-formatted RLE data");
dbgln("BMP has badly-formatted RLE data");
return {};
}
return streamer.read_u8();
@ -1174,7 +1176,7 @@ static bool decode_bmp_pixel_data(BMPLoadingContext& context)
}();
if (format == BitmapFormat::Invalid) {
IF_BMP_DEBUG(dbg() << "BMP has invalid bpp of " << bits_per_pixel);
dbgln("BMP has invalid bpp of {}", bits_per_pixel);
context.state = BMPLoadingContext::State::Error;
return false;
}
@ -1183,7 +1185,7 @@ static bool decode_bmp_pixel_data(BMPLoadingContext& context)
const u32 height = abs(context.dib.core.height);
context.bitmap = Bitmap::create_purgeable(format, { static_cast<int>(width), static_cast<int>(height) });
if (!context.bitmap) {
IF_BMP_DEBUG(dbg() << "BMP appears to have overly large dimensions");
dbgln("BMP appears to have overly large dimensions");
return false;
}
@ -1396,5 +1398,4 @@ ImageFrameDescriptor BMPImageDecoderPlugin::frame(size_t i)
return { bitmap(), 0 };
return {};
}
}