Green-Sky/tomato
Green-Sky/tomato
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sanitize crop

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Green Sky 2023-10-05 14:54:42 +02:00
parent bb824a9fb7
commit 440489f228
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2 changed files with 32 additions and 5 deletions
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34
src/send_image_popup.cpp
View File

@ -45,7 +45,7 @@ bool SendImagePopup::load(void) {
continue;
}
#if 1
#if 0
crop_rect.x = 0;
crop_rect.y = 0;
crop_rect.w = original_image.width;
@ -58,6 +58,7 @@ bool SendImagePopup::load(void) {
#endif
crop_rect = sanitizeCrop(crop_rect, original_image.width, original_image.height);
crop_before_drag = crop_rect;
original_file_ext = ".";
if (original_image.file_ext != nullptr) {
@ -193,20 +194,32 @@ ImageLoaderI::ImageResult SendImagePopup::crop(const ImageLoaderI::ImageResult&
return new_image;
}
SendImagePopup::Rect SendImagePopup::sanitizeCrop(Rect crop_rect, uint32_t image_width, uint32_t image_height) {
SendImagePopup::Rect SendImagePopup::sanitizeCrop(Rect crop_rect, int32_t image_width, int32_t image_height) {
// w and h min is 1 -> x/y need to be smaller so the img is atleast 1px in any dim
if (crop_rect.x >= image_width-1) {
crop_rect.x = image_width-2;
} else if (crop_rect.x < 0) {
crop_rect.x = 0;
}
if (crop_rect.y >= image_height-1) {
crop_rect.y = image_height-2;
} else if (crop_rect.y < 0) {
crop_rect.y = 0;
}
if (crop_rect.w > crop_rect.x + image_width) {
crop_rect.w = crop_rect.x + image_width;
} else if (crop_rect.w < 1) {
crop_rect.w = 1;
// TODO: adjust X
}
if (crop_rect.h > crop_rect.y + image_height) {
crop_rect.h = crop_rect.y + image_height;
} else if (crop_rect.h < 1) {
crop_rect.h = 1;
// TODO: adjust Y
}
return crop_rect;
@ -290,7 +303,6 @@ void SendImagePopup::render(void) {
ImGui::PushStyleColor(ImGuiCol_Button, ImVec4{0.5f, 0.5f, 0.5f, 0.2f});
ImGui::PushStyleColor(ImGuiCol_ButtonActive, ImVec4{0.5f, 0.5f, 0.5f, 0.4f});
static Rect crop_before_drag = crop_rect;
auto ul_clipper_pos = ImVec2{float(crop_rect.x)/original_image.width, float(crop_rect.y)/original_image.height};
{ // crop upper left clipper
@ -328,10 +340,11 @@ void SendImagePopup::render(void) {
std::cout << "drag ended\n";
dragging_last_frame = false;
crop_rect = sanitizeCrop(crop_rect, original_image.width, original_image.height);
crop_before_drag = crop_rect;
}
crop_rect = sanitizeCrop(crop_rect, original_image.width, original_image.height);
}
// crop lower right clipper
@ -355,7 +368,20 @@ void SendImagePopup::render(void) {
);
// w vertical
ImGui::GetWindowDrawList()->AddLine(
{pre_img_curser_screen.x + lr_clipper_pos.x * width, pre_img_curser_screen.y},
{pre_img_curser_screen.x + lr_clipper_pos.x * width, pre_img_curser_screen.y + height},
0xffffffff,
1.f
);
// h horizontal
ImGui::GetWindowDrawList()->AddLine(
{pre_img_curser_screen.x, pre_img_curser_screen.y + lr_clipper_pos.y * height},
{pre_img_curser_screen.x + width, pre_img_curser_screen.y + lr_clipper_pos.y * height},
0xffffffff,
1.f
);
}
// cancel/ok buttons in the img center?

3
src/send_image_popup.hpp
View File

@ -29,6 +29,7 @@ struct SendImagePopup {
int32_t h {0};
};
Rect crop_rect;
Rect crop_before_drag;
bool cropping {false};
@ -52,7 +53,7 @@ struct SendImagePopup {
static std::vector<uint8_t> compressWebp(const ImageLoaderI::ImageResult& input_image, uint32_t quality = 80u);
static ImageLoaderI::ImageResult crop(const ImageLoaderI::ImageResult& input_image, const Rect& crop_rect);
static Rect sanitizeCrop(Rect crop_rect, uint32_t image_width, uint32_t image_height);
static Rect sanitizeCrop(Rect crop_rect, int32_t image_width, int32_t image_height);
public:
SendImagePopup(TextureUploaderI& tu);