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comparison Framework/Layers/LineMeasureTracker.cpp @ 367:face7b7008de am-2

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line and circle measure tools are now compatible with WebAssembly
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 01 Nov 2018 12:09:11 +0100
parents 50e5ec1bdd46
children b70e9be013e4
comparison
equal deleted inserted replaced
366:a7de01c8fd29 367:face7b7008de
19 **/ 19 **/
20 20
21 21
22 #include "LineMeasureTracker.h" 22 #include "LineMeasureTracker.h"
23 23
24 #include "../Viewport/CairoFont.h"
25
26 #include <stdio.h> 24 #include <stdio.h>
27 25
28 namespace OrthancStone 26 namespace OrthancStone
29 { 27 {
30 LineMeasureTracker::LineMeasureTracker(IStatusBar* statusBar, 28 LineMeasureTracker::LineMeasureTracker(IStatusBar* statusBar,
32 double x, 30 double x,
33 double y, 31 double y,
34 uint8_t red, 32 uint8_t red,
35 uint8_t green, 33 uint8_t green,
36 uint8_t blue, 34 uint8_t blue,
37 unsigned int fontSize) : 35 const Orthanc::Font& font) :
38 statusBar_(statusBar), 36 statusBar_(statusBar),
39 slice_(slice), 37 slice_(slice),
40 x1_(x), 38 x1_(x),
41 y1_(y), 39 y1_(y),
42 x2_(x), 40 x2_(x),
43 y2_(y), 41 y2_(y),
44 fontSize_(fontSize) 42 font_(font)
45 { 43 {
46 color_[0] = red; 44 color_[0] = red;
47 color_[1] = green; 45 color_[1] = green;
48 color_[2] = blue; 46 color_[2] = blue;
49 } 47 }
58 cairo_set_line_width(cr, 2.0 / zoom); 56 cairo_set_line_width(cr, 2.0 / zoom);
59 cairo_move_to(cr, x1_, y1_); 57 cairo_move_to(cr, x1_, y1_);
60 cairo_line_to(cr, x2_, y2_); 58 cairo_line_to(cr, x2_, y2_);
61 cairo_stroke(cr); 59 cairo_stroke(cr);
62 60
63 if (fontSize_ != 0) 61 if (y2_ - y1_ < 0)
64 { 62 {
65 cairo_move_to(cr, x2_, y2_ - static_cast<double>(fontSize_) / zoom); 63 context.DrawText(font_, FormatLength(), x2_, y2_ - 5, BitmapAnchor_BottomCenter);
66 #if ORTHANC_ENABLE_NATIVE==1 // text rendering currently fails in wasm 64 }
67 CairoFont font("sans-serif", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL); 65 else
68 font.Draw(context, FormatLength(), static_cast<double>(fontSize_) / zoom); 66 {
69 #endif 67 context.DrawText(font_, FormatLength(), x2_, y2_ + 5, BitmapAnchor_TopCenter);
70 } 68 }
71 } 69 }
72 70
73 71
74 double LineMeasureTracker::GetLength() const // In millimeters 72 double LineMeasureTracker::GetLength() const // In millimeters