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port remainder of the the placement algorithm

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This commit is contained in:
Konstantin Käfer
2014-03-19 18:58:50 +01:00
parent 98bb797a4a
commit 4ee0cf1791
26 changed files with 872 additions and 290 deletions
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29
src/geometry/text_buffer.cpp
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@@ -6,28 +6,27 @@
using namespace llmr;
const double TextVertexBuffer::angleFactor = 128 / M_PI;
const double TextVertexBuffer::angleFactor = 128.0 / M_PI;
size_t TextVertexBuffer::add(const GlyphPosition& pos) {
size_t TextVertexBuffer::add(int16_t x, int16_t y, float ox, float oy, uint16_t tx, uint16_t ty, float angle, float minzoom, std::array<float, 2> range, float maxzoom, float labelminzoom) {
size_t idx = index();
void *data = addElement();
int16_t *shorts = static_cast<int16_t *>(data);
shorts[0] = pos.x;
shorts[1] = pos.y;
shorts[2] = round(pos.ox * 64); // use 1/64 pixels for placement
shorts[3] = round(pos.oy * 64);
shorts[0] = x;
shorts[1] = y;
shorts[2] = round(ox * 64); // use 1/64 pixels for placement
shorts[3] = round(oy * 64);
uint8_t *ubytes = static_cast<uint8_t *>(data);
ubytes[8] = pos.tx / 4;
ubytes[9] = pos.ty / 4;
ubytes[10] = pos.labelminzoom * 10;
ubytes[11] = pos.minzoom * 10; // 1/10 zoom levels: z16 == 160.
ubytes[12] = fmin(pos.maxzoom, 25) * 10; // 1/10 zoom levels: z16 == 160.
ubytes[13] = (int16_t)round(pos.angle * angleFactor) % 256;
ubytes[14] = util::max((int16_t)round(pos.rangefrom * angleFactor), (int16_t)0) % 256;
ubytes[15] = util::min((int16_t)round(pos.rangeto * angleFactor), (int16_t)255) % 256;
ubytes[8] = tx / 4;
ubytes[9] = ty / 4;
ubytes[10] = labelminzoom * 10;
ubytes[11] = minzoom * 10; // 1/10 zoom levels: z16 == 160.
ubytes[12] = fmin(maxzoom, 25) * 10; // 1/10 zoom levels: z16 == 160.
ubytes[13] = (int16_t)round(angle * angleFactor) % 256;
ubytes[14] = util::max((int16_t)round(range[0] * angleFactor), (int16_t)0) % 256;
ubytes[15] = util::min((int16_t)round(range[1] * angleFactor), (int16_t)255) % 256;
return idx;
}