summaryrefslogtreecommitdiff
path: root/libraries/daguerre/source
diff options
context:
space:
mode:
Diffstat (limited to 'libraries/daguerre/source')
-rw-r--r--libraries/daguerre/source/daguerre.cpp110
-rw-r--r--libraries/daguerre/source/framebuffer.cpp12
-rw-r--r--libraries/daguerre/source/ppm.cpp60
-rw-r--r--libraries/daguerre/source/psf.cpp51
4 files changed, 123 insertions, 110 deletions
diff --git a/libraries/daguerre/source/daguerre.cpp b/libraries/daguerre/source/daguerre.cpp
deleted file mode 100644
index 2f7fe4d..0000000
--- a/libraries/daguerre/source/daguerre.cpp
+++ /dev/null
@@ -1,110 +0,0 @@
-#include <daguerre.hpp>
-
-namespace daguerre {
-
- image<hilbert_color> get_hilbert_framebuffer() {
- uint32_t width, height, pitch;
- hilbert_color *ptr = __euler_get_framebuffer(width, height, pitch);
- return image<hilbert_color>(ptr, width, height, pitch, false);
- }
-
- //TODO: make this more robust
- unsigned read_text_int(std::FILE *input) {
- unsigned n = 0;
- char ch;
- std::fread(&ch, 1, 1, input);
- if (ch == '#') {
- do
- std::fread(&ch, 1, 1, input);
- while (ch != '\n');
- std::fread(&ch, 1, 1, input);
- }
- do {
- n = n * 10 + ch - '0';
- std::fread(&ch, 1, 1, input);
- } while (ch >= '0' && ch <= '9');
- return n;
- }
-
- //only supports p6 format
- bool try_load_ppm(std::FILE *input, image<rgb24> &into) {
-
- char header[3];
- if (std::fread(header, 1, 3, input) != 3)
- return false;
-
- if (header[0] != 'P' || header[1] != '6' || header[2] != '\n')
- return false;
-
- unsigned width = read_text_int(input);
- unsigned height = read_text_int(input);
- unsigned max = read_text_int(input);
-
- into = image<rgb24>(width, height);
-
- for (unsigned y = 0; y < height; ++y)
- for (unsigned x = 0; x < width; ++x) {
- if (std::fread(&into.buffer[y * width + x].r, 1, 1, input) != 1)
- return false;
- if (std::fread(&into.buffer[y * width + x].g, 1, 1, input) != 1)
- return false;
- if (std::fread(&into.buffer[y * width + x].b, 1, 1, input) != 1)
- return false;
- }
-
- if (max != 255)
- for (unsigned v = 0; v < width * height; ++v) {
- into.buffer[v].r = ((uint16_t)into.buffer[v].r * 255) / max;
- into.buffer[v].g = ((uint16_t)into.buffer[v].g * 255) / max;
- into.buffer[v].b = ((uint16_t)into.buffer[v].b * 255) / max;
- }
-
- return true;
-
- }
-
- //assumes the font is in psf2 format, and has a unicode table
- bool try_load_psf(std::FILE *input, fixed_bitmap_font<bool> &into) {
-
- uint32_t header[8];
- if (std::fread(header, 4, 8, input) != 8)
- return false;
-
- const uint32_t glyphs_start = header[2];
- const uint32_t glyph_count = header[4];
- const uint32_t glyph_length = header[5];
- into.height = header[6];
- into.width = header[7];
-
- const uint32_t unicode_start = glyphs_start + glyph_count * glyph_length;
- std::fseek(input, unicode_start, SEEK_SET);
-
- uint32_t indices[128];
-
- for (uint32_t index = 0; index < glyph_count; ++index) {
- uint8_t ch;
- std::fread(&ch, 1, 1, input);
- if (ch < 128)
- indices[ch] = index;
- do
- std::fread(&ch, 1, 1, input);
- while (ch != 0xff);
- }
-
- for (uint8_t ch = 0; ch < 128; ++ch) {
- std::fseek(input, glyphs_start + glyph_length * indices[ch], SEEK_SET);
- into.glyphs[ch] = image<bool>(into.width, into.height);
- for (unsigned h = 0; h < into.height; ++h)
- for (unsigned wb = 0; wb < into.width; wb += 8) {
- uint8_t byte;
- std::fread(&byte, 1, 1, input);
- for (unsigned x = 0; x < 8 && wb + x < into.width; ++x)
- into.glyphs[ch].set(wb + x, h, (byte >> (7 - x)) & 1);
- }
- }
-
- return true;
-
- }
-
-}
diff --git a/libraries/daguerre/source/framebuffer.cpp b/libraries/daguerre/source/framebuffer.cpp
new file mode 100644
index 0000000..d4282ad
--- /dev/null
+++ b/libraries/daguerre/source/framebuffer.cpp
@@ -0,0 +1,12 @@
+#include <daguerre/framebuffer.hpp>
+
+namespace daguerre {
+
+ image<hilbert_color> get_hilbert_framebuffer() {
+ hilbert_color *ptr;
+ uint32_t width, height, pitch;
+ euler::syscall::get_framebuffer(ptr, width, height, pitch);
+ return image<hilbert_color>(width, height, ptr, pitch, false);
+ }
+
+}
diff --git a/libraries/daguerre/source/ppm.cpp b/libraries/daguerre/source/ppm.cpp
new file mode 100644
index 0000000..a4a7e27
--- /dev/null
+++ b/libraries/daguerre/source/ppm.cpp
@@ -0,0 +1,60 @@
+#include <daguerre/ppm.hpp>
+
+namespace daguerre {
+
+ //TODO: make this more robust
+ static unsigned read_text_int(FILE *input) {
+ unsigned n = 0;
+ char ch;
+ fread(&ch, 1, 1, input);
+ if (ch == '#') {
+ do
+ fread(&ch, 1, 1, input);
+ while (ch != '\n');
+ fread(&ch, 1, 1, input);
+ }
+ do {
+ n = n * 10 + ch - '0';
+ fread(&ch, 1, 1, input);
+ } while (ch >= '0' && ch <= '9');
+ return n;
+ }
+
+ //TODO: this only supports p6 format, and assumes max < 256
+ std::optional<image<rgb24>> try_load_ppm(FILE *input) {
+
+ char header[3];
+ if (fread(header, 1, 3, input) != 3)
+ return {};
+
+ if (header[0] != 'P' || header[1] != '6' || header[2] != '\n')
+ return {};
+
+ unsigned width = read_text_int(input);
+ unsigned height = read_text_int(input);
+ unsigned max = read_text_int(input);
+
+ image<rgb24> im(width, height);
+
+ for (unsigned y = 0; y < height; ++y)
+ for (unsigned x = 0; x < width; ++x) {
+ if (fread(&im.buffer[y * width + x].r, 1, 1, input) != 1)
+ return {};
+ if (fread(&im.buffer[y * width + x].g, 1, 1, input) != 1)
+ return {};
+ if (fread(&im.buffer[y * width + x].b, 1, 1, input) != 1)
+ return {};
+ }
+
+ if (max != 255)
+ for (unsigned v = 0; v < width * height; ++v) {
+ im.buffer[v].r = ((uint16_t)im.buffer[v].r * 255) / max;
+ im.buffer[v].g = ((uint16_t)im.buffer[v].g * 255) / max;
+ im.buffer[v].b = ((uint16_t)im.buffer[v].b * 255) / max;
+ }
+
+ return im;
+
+ }
+
+}
diff --git a/libraries/daguerre/source/psf.cpp b/libraries/daguerre/source/psf.cpp
new file mode 100644
index 0000000..81f722a
--- /dev/null
+++ b/libraries/daguerre/source/psf.cpp
@@ -0,0 +1,51 @@
+#include <daguerre/psf.hpp>
+
+namespace daguerre {
+
+ //TODO: this assumes the font is in psf2 format, and has a unicode table
+ std::optional<fixed_font<bool>> try_load_psf(FILE *input) {
+
+ uint32_t header[8];
+ if (fread(header, 4, 8, input) != 8)
+ return {};
+
+ const uint32_t glyphs_start = header[2];
+ const uint32_t glyph_count = header[4];
+ const uint32_t glyph_length = header[5];
+ const uint32_t height = header[6];
+ const uint32_t width = header[7];
+
+ fixed_font<bool> font(width, height);
+
+ const uint32_t unicode_start = glyphs_start + glyph_count * glyph_length;
+ fseek(input, unicode_start, SEEK_SET);
+
+ uint32_t indices[128];
+
+ for (uint32_t index = 0; index < glyph_count; ++index) {
+ uint8_t ch;
+ fread(&ch, 1, 1, input);
+ if (ch < 128)
+ indices[ch] = index;
+ do
+ if (fread(&ch, 1, 1, input) != 1)
+ return {};
+ while (ch != 0xff);
+ }
+
+ for (uint8_t ch = 0; ch < 128; ++ch) {
+ fseek(input, glyphs_start + glyph_length * indices[ch], SEEK_SET);
+ for (unsigned h = 0; h < height; ++h)
+ for (unsigned wb = 0; wb < width; wb += 8) {
+ uint8_t byte;
+ fread(&byte, 1, 1, input);
+ for (unsigned x = 0; x < 8 && wb + x < width; ++x)
+ font.glyphs[ch].at(wb + x, h) = (byte >> (7 - x)) & 1;
+ }
+ }
+
+ return font;
+
+ }
+
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-22 08:55:35 +0000