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1st installment of svg icons for toolbars and gizmos

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This commit is contained in:
Enrico Turri 2019-02-26 09:56:23 +01:00
commit 0f683a6a1e
34 changed files with 1629 additions and 374 deletions
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112
src/slic3r/GUI/GLTexture.cpp
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@ -120,13 +120,13 @@ bool GLTexture::load_from_file(const std::string& filename, bool use_mipmaps)
{
// we manually generate mipmaps because glGenerateMipmap() function is not reliable on all graphics cards
unsigned int levels_count = generate_mipmaps(image);
::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 1 + levels_count);
::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, levels_count);
::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
}
else
{
::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 1);
::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 0);
}
::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
@ -137,6 +137,106 @@ bool GLTexture::load_from_file(const std::string& filename, bool use_mipmaps)
}
#endif // ENABLE_TEXTURES_FROM_SVG
#if ENABLE_SVG_ICONS
bool GLTexture::load_from_svg_files_as_sprites_array(const std::vector<std::string>& filenames, unsigned int num_states, unsigned int sprite_size_px)
{
static int pass = 0;
++pass;
reset();
if (filenames.empty() || (num_states == 0) || (sprite_size_px == 0))
return false;
m_width = (int)sprite_size_px * std::max((int)(num_states), (int)(filenames.size()));
m_height = m_width;
int n_pixels = m_width * m_height;
if (n_pixels <= 0)
{
reset();
return false;
}
std::vector<unsigned char> data(n_pixels * 4, 0);
std::vector<unsigned char> sprite_data(sprite_size_px * sprite_size_px * 4, 0);
NSVGrasterizer* rast = nsvgCreateRasterizer();
if (rast == nullptr)
{
reset();
return false;
}
int sprite_id = -1;
for (const std::string& filename : filenames)
{
++sprite_id;
if (!boost::filesystem::exists(filename))
continue;
if (!boost::algorithm::iends_with(filename, ".svg"))
continue;
NSVGimage* image = nsvgParseFromFile(filename.c_str(), "px", 96.0f);
if (image == nullptr)
continue;
float scale = (float)sprite_size_px / std::max(image->width, image->height);
nsvgRasterize(rast, image, 0, 0, scale, sprite_data.data(), sprite_size_px, sprite_size_px, sprite_size_px * 4);
int sprite_offset_px = sprite_id * sprite_size_px * m_width;
for (unsigned int i = 0; i < num_states; ++i)
{
int state_offset_px = sprite_offset_px + i * sprite_size_px;
for (int j = 0; j < sprite_size_px; ++j)
{
int data_offset = (state_offset_px + j * m_width) * 4;
::memcpy((void*)&data.data()[data_offset], (const void*)&sprite_data.data()[j * sprite_size_px * 4], sprite_size_px * 4);
}
}
nsvgDelete(image);
}
nsvgDeleteRasterizer(rast);
// sends data to gpu
::glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
::glGenTextures(1, &m_id);
::glBindTexture(GL_TEXTURE_2D, m_id);
::glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, (GLsizei)m_width, (GLsizei)m_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, (const void*)data.data());
::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 0);
::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
::glBindTexture(GL_TEXTURE_2D, 0);
m_source = filenames.front();
wxImage output(m_width, m_height);
output.InitAlpha();
for (int h = 0; h < m_height; ++h)
{
for (int w = 0; w < m_width; ++w)
{
int px = h * m_width + w;
int px_byte = px * 4;
output.SetRGB(w, h, data.data()[px_byte + 0], data.data()[px_byte + 1], data.data()[px_byte + 2]);
output.SetAlpha(w, h, data.data()[px_byte + 3]);
}
}
output.SaveFile("C:/prusa/slic3r/svg_icons/temp/test_" + std::to_string(pass) + ".png", wxBITMAP_TYPE_PNG);
return true;
}
#endif // ENABLE_SVG_ICONS
void GLTexture::reset()
{
if (m_id != 0)
@ -265,13 +365,13 @@ bool GLTexture::load_from_png(const std::string& filename, bool use_mipmaps)
{
// we manually generate mipmaps because glGenerateMipmap() function is not reliable on all graphics cards
unsigned int levels_count = generate_mipmaps(image);
::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 1 + levels_count);
::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, levels_count);
::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
}
else
{
::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 1);
::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 0);
}
::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
@ -340,13 +440,13 @@ bool GLTexture::load_from_svg(const std::string& filename, bool use_mipmaps, uns
::glTexImage2D(GL_TEXTURE_2D, level, GL_RGBA, (GLsizei)lod_w, (GLsizei)lod_h, 0, GL_RGBA, GL_UNSIGNED_BYTE, (const void*)data.data());
}
::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 1 + level);
::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, level);
::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
}
else
{
::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 1);
::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 0);
}
::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);