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authorjaseg <git@jaseg.de>2021-06-02 11:31:38 +0200
committerjaseg <git@jaseg.de>2021-06-02 11:31:38 +0200
commit536a34cd59258d3a75d4caa8431fc688b1e788f6 (patch)
tree836b9dec3a315febb76af9a7c6470a4b364bfeed /svg-flatten/src/nopencv.cpp
parentd18b8a1d80185a800e18db935f04dc63cd9e1637 (diff)
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Prettify test cases
Diffstat (limited to 'svg-flatten/src/nopencv.cpp')
-rw-r--r--svg-flatten/src/nopencv.cpp53
1 files changed, 53 insertions, 0 deletions
diff --git a/svg-flatten/src/nopencv.cpp b/svg-flatten/src/nopencv.cpp
index 2384fcc..18d3f20 100644
--- a/svg-flatten/src/nopencv.cpp
+++ b/svg-flatten/src/nopencv.cpp
@@ -2,6 +2,9 @@
#include <iostream>
#include <iomanip>
+#define STB_IMAGE_IMPLEMENTATION
+#include "stb_image.h"
+
#include "nopencv.hpp"
using namespace gerbolyze;
@@ -374,3 +377,53 @@ ContourCallback gerbolyze::nopencv::simplify_contours_teh_chin(ContourCallback c
};
}
+
+gerbolyze::nopencv::Image32::Image32(int size_x, int size_y, const int32_t *data) {
+ assert(size_x > 0 && size_x < 100000);
+ assert(size_y > 0 && size_y < 100000);
+ m_data = new int32_t[size_x * size_y] { 0 };
+ m_rows = size_y;
+ m_cols = size_x;
+ if (data != nullptr) {
+ memcpy(m_data, data, sizeof(int32_t) * size_x * size_y);
+ }
+}
+
+bool gerbolyze::nopencv::Image32::load(const char *filename) {
+ return stb_to_internal(stbi_load(filename, &m_cols, &m_rows, nullptr, 1));
+}
+
+bool gerbolyze::nopencv::Image32::load_memory(uint8_t *buf, size_t len) {
+ return stb_to_internal(stbi_load_from_memory(buf, len, &m_cols, &m_rows, nullptr, 1));
+}
+
+void gerbolyze::nopencv::Image32::binarize() {
+ assert(m_data != nullptr);
+ assert(m_rows > 0 && m_cols > 0);
+
+ for (int y=0; y<m_rows; y++) {
+ for (int x=0; x<m_cols; x++) {
+ m_data[y*m_cols + x] = m_data[y*m_cols + x] > 0;
+ }
+ }
+}
+
+bool gerbolyze::nopencv::Image32::stb_to_internal(uint8_t *data) {
+ if (data == nullptr)
+ return false;
+
+ if (m_rows < 0 || m_rows > 100000)
+ return false;
+ if (m_cols < 0 || m_cols > 100000)
+ return false;
+
+ m_data = new int32_t[size()] { 0 };
+ for (int y=0; y<m_rows; y++) {
+ for (int x=0; x<m_cols; x++) {
+ m_data[y*m_cols + x] = data[y*m_cols + x];
+ }
+ }
+
+ stbi_image_free(data);
+ return true;
+}