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Be explicit about type of angles: either Radians or Degrees.

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Angles are always doubles.
Internally use radians as much as possible.

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@1605 0fc631ac-6414-0410-93d0-97cfa31319b6
This commit is contained in:
twanvl
2011-01-09 14:49:59 +00:00
parent a59248ae95
commit 53bbcfe9a9
38 changed files with 248 additions and 195 deletions
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src/gfx/gfx.hpp
+3 -16
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@@ -16,6 +16,7 @@
#include <util/prec.hpp>
#include <util/real_point.hpp>
#include <util/angle.hpp>
#include <gfx/color.hpp>
// ----------------------------------------------------------------------------- : Resampling
@@ -52,29 +53,15 @@ void sharp_resample_and_clip(const Image& img_in, Image& img_out, wxRect rect, i
* rect = rectangle to draw in (a rectangle somewhere around pos)
* stretch = amount to stretch in the direction of the text after drawing
*/
void draw_resampled_text(DC& dc, const RealPoint& pos, const RealRect& rect, double stretch, int angle, AColor color, const String& text, int blur_radius = 0, int repeat = 1);
void draw_resampled_text(DC& dc, const RealPoint& pos, const RealRect& rect, double stretch, Radians angle, AColor color, const String& text, int blur_radius = 0, int repeat = 1);
// scaling factor to use when drawing resampled text
extern const int text_scaling;
// ----------------------------------------------------------------------------- : Image rotation
/// Is an angle a {0,90,180,270}?
inline bool straight(int angle) { return angle % 90 == 0; }
/// Is an angle sideways (90 or 270 degrees)?
inline bool sideways(int angle) {
int a = (angle + 3600) % 180;
return (a > 45 && a < 135);
}
/// Convert radians to degrees
inline double rad_to_deg(double rad) { return rad * (180.0 / M_PI); }
/// Convert degrees to radians
inline double deg_to_rad(double deg) { return deg * (M_PI / 180.0); }
/// Rotates an image counter clockwise
Image rotate_image(const Image& image, double angle);
Image rotate_image(const Image& image, Radians angle);
/// Flip an image horizontally
Image flip_image_horizontal(const Image& image);